#ifndef CPPHTTPLIB_HTTPLIB_H
#define CPPHTTPLIB_HTTPLIB_H
#define CPPHTTPLIB_VERSION "0.28.0"
#define CPPHTTPLIB_VERSION_NUM "0x001C00"
#if defined(_WIN32) && !defined(_WIN64)
#if defined(_MSC_VER)
#pragma message( \
"cpp-httplib doesn't support 32-bit Windows. Please use a 64-bit compiler.")
#else
#warning \
"cpp-httplib doesn't support 32-bit Windows. Please use a 64-bit compiler."
#endif
#elif defined(__SIZEOF_POINTER__) && __SIZEOF_POINTER__ < 8
#warning \
"cpp-httplib doesn't support 32-bit platforms. Please use a 64-bit compiler."
#elif defined(__SIZEOF_SIZE_T__) && __SIZEOF_SIZE_T__ < 8
#warning \
"cpp-httplib doesn't support platforms where size_t is less than 64 bits."
#endif
#ifdef _WIN32
#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0A00
#error \
"cpp-httplib doesn't support Windows 8 or lower. Please use Windows 10 or later."
#endif
#endif
#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND
#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_CHECK_INTERVAL_USECOND
#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_CHECK_INTERVAL_USECOND 10000
#endif
#ifndef CPPHTTPLIB_KEEPALIVE_MAX_COUNT
#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 100
#endif
#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND
#define CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND 300
#endif
#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND
#define CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_SERVER_READ_TIMEOUT_SECOND
#define CPPHTTPLIB_SERVER_READ_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_SERVER_READ_TIMEOUT_USECOND
#define CPPHTTPLIB_SERVER_READ_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_SERVER_WRITE_TIMEOUT_SECOND
#define CPPHTTPLIB_SERVER_WRITE_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_SERVER_WRITE_TIMEOUT_USECOND
#define CPPHTTPLIB_SERVER_WRITE_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_CLIENT_READ_TIMEOUT_SECOND
#define CPPHTTPLIB_CLIENT_READ_TIMEOUT_SECOND 300
#endif
#ifndef CPPHTTPLIB_CLIENT_READ_TIMEOUT_USECOND
#define CPPHTTPLIB_CLIENT_READ_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_SECOND
#define CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_USECOND
#define CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_CLIENT_MAX_TIMEOUT_MSECOND
#define CPPHTTPLIB_CLIENT_MAX_TIMEOUT_MSECOND 0
#endif
#ifndef CPPHTTPLIB_IDLE_INTERVAL_SECOND
#define CPPHTTPLIB_IDLE_INTERVAL_SECOND 0
#endif
#ifndef CPPHTTPLIB_IDLE_INTERVAL_USECOND
#ifdef _WIN32
#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 1000
#else
#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 0
#endif
#endif
#ifndef CPPHTTPLIB_REQUEST_URI_MAX_LENGTH
#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_HEADER_MAX_LENGTH
#define CPPHTTPLIB_HEADER_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_HEADER_MAX_COUNT
#define CPPHTTPLIB_HEADER_MAX_COUNT 100
#endif
#ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT
#define CPPHTTPLIB_REDIRECT_MAX_COUNT 20
#endif
#ifndef CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT
#define CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT 1024
#endif
#ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH
#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits<size_t>::max)())
#endif
#ifndef CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH
#define CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_RANGE_MAX_COUNT
#define CPPHTTPLIB_RANGE_MAX_COUNT 1024
#endif
#ifndef CPPHTTPLIB_TCP_NODELAY
#define CPPHTTPLIB_TCP_NODELAY false
#endif
#ifndef CPPHTTPLIB_IPV6_V6ONLY
#define CPPHTTPLIB_IPV6_V6ONLY false
#endif
#ifndef CPPHTTPLIB_RECV_BUFSIZ
#define CPPHTTPLIB_RECV_BUFSIZ size_t(16384u)
#endif
#ifndef CPPHTTPLIB_SEND_BUFSIZ
#define CPPHTTPLIB_SEND_BUFSIZ size_t(16384u)
#endif
#ifndef CPPHTTPLIB_COMPRESSION_BUFSIZ
#define CPPHTTPLIB_COMPRESSION_BUFSIZ size_t(16384u)
#endif
#ifndef CPPHTTPLIB_THREAD_POOL_COUNT
#define CPPHTTPLIB_THREAD_POOL_COUNT \
((std::max)(8u, std::thread::hardware_concurrency() > 0 \
? std::thread::hardware_concurrency() - 1 \
: 0))
#endif
#ifndef CPPHTTPLIB_RECV_FLAGS
#define CPPHTTPLIB_RECV_FLAGS 0
#endif
#ifndef CPPHTTPLIB_SEND_FLAGS
#define CPPHTTPLIB_SEND_FLAGS 0
#endif
#ifndef CPPHTTPLIB_LISTEN_BACKLOG
#define CPPHTTPLIB_LISTEN_BACKLOG 5
#endif
#ifndef CPPHTTPLIB_MAX_LINE_LENGTH
#define CPPHTTPLIB_MAX_LINE_LENGTH 32768
#endif
#ifdef _WIN32
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif
#ifndef _CRT_NONSTDC_NO_DEPRECATE
#define _CRT_NONSTDC_NO_DEPRECATE
#endif
#if defined(_MSC_VER)
#if _MSC_VER < 1900
#error Sorry, Visual Studio versions prior to 2015 are not supported
#endif
#pragma comment(lib, "ws2_32.lib")
using ssize_t = __int64;
#endif
#ifndef S_ISREG
#define S_ISREG(m) (((m) & S_IFREG) == S_IFREG)
#endif
#ifndef S_ISDIR
#define S_ISDIR(m) (((m) & S_IFDIR) == S_IFDIR)
#endif
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <io.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#if defined(__has_include)
#if __has_include(<afunix.h>)
#include <afunix.h>
#define CPPHTTPLIB_HAVE_AFUNIX_H 1
#endif
#endif
#ifndef WSA_FLAG_NO_HANDLE_INHERIT
#define WSA_FLAG_NO_HANDLE_INHERIT 0x80
#endif
using nfds_t = unsigned long;
using socket_t = SOCKET;
using socklen_t = int;
#else
#include <arpa/inet.h>
#if !defined(_AIX) && !defined(__MVS__)
#include <ifaddrs.h>
#endif
#ifdef __MVS__
#include <strings.h>
#ifndef NI_MAXHOST
#define NI_MAXHOST 1025
#endif
#endif
#include <net/if.h>
#include <netdb.h>
#include <netinet/in.h>
#ifdef __linux__
#include <resolv.h>
#undef _res
#endif
#include <csignal>
#include <netinet/tcp.h>
#include <poll.h>
#include <pthread.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
using socket_t = int;
#ifndef INVALID_SOCKET
#define INVALID_SOCKET (-1)
#endif
#endif
#if defined(__APPLE__)
#include <TargetConditionals.h>
#endif
#include <algorithm>
#include <array>
#include <atomic>
#include <cassert>
#include <cctype>
#include <climits>
#include <condition_variable>
#include <cstring>
#include <errno.h>
#include <exception>
#include <fcntl.h>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <mutex>
#include <random>
#include <regex>
#include <set>
#include <sstream>
#include <string>
#include <sys/stat.h>
#include <thread>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#if defined(CPPHTTPLIB_USE_NON_BLOCKING_GETADDRINFO) || \
defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN)
#if TARGET_OS_MAC
#include <CFNetwork/CFHost.h>
#include <CoreFoundation/CoreFoundation.h>
#endif
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
#ifdef _WIN32
#include <wincrypt.h>
#undef X509_NAME
#undef X509_CERT_PAIR
#undef X509_EXTENSIONS
#undef PKCS7_SIGNER_INFO
#ifdef _MSC_VER
#pragma comment(lib, "crypt32.lib")
#endif
#endif
#if defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN)
#if TARGET_OS_MAC
#include <Security/Security.h>
#endif
#endif
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/ssl.h>
#include <openssl/x509v3.h>
#if defined(_WIN32) && defined(OPENSSL_USE_APPLINK)
#include <openssl/applink.c>
#endif
#include <iostream>
#include <sstream>
#if defined(OPENSSL_IS_BORINGSSL) || defined(LIBRESSL_VERSION_NUMBER)
#if OPENSSL_VERSION_NUMBER < 0x1010107f
#error Please use OpenSSL or a current version of BoringSSL
#endif
#define SSL_get1_peer_certificate SSL_get_peer_certificate
#elif OPENSSL_VERSION_NUMBER < 0x30000000L
#error Sorry, OpenSSL versions prior to 3.0.0 are not supported
#endif
#endif
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
#include <zlib.h>
#endif
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
#include <brotli/decode.h>
#include <brotli/encode.h>
#endif
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
#include <zstd.h>
#endif
namespace httplib {
namespace detail {
template <class T, class... Args>
typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type
make_unique(Args &&...args) {
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
template <class T>
typename std::enable_if<std::is_array<T>::value, std::unique_ptr<T>>::type
make_unique(std::size_t n) {
typedef typename std::remove_extent<T>::type RT;
return std::unique_ptr<T>(new RT[n]);
}
namespace case_ignore {
inline unsigned char to_lower(int c) {
const static unsigned char table[256] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
60, 61, 62, 63, 64, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106,
107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
122, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104,
105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134,
135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164,
165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 224, 225, 226,
227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
242, 243, 244, 245, 246, 215, 248, 249, 250, 251, 252, 253, 254, 223, 224,
225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254,
255,
};
return table[(unsigned char)(char)c];
}
inline bool equal(const std::string &a, const std::string &b) {
return a.size() == b.size() &&
std::equal(a.begin(), a.end(), b.begin(), [](char ca, char cb) {
return to_lower(ca) == to_lower(cb);
});
}
struct equal_to {
bool operator()(const std::string &a, const std::string &b) const {
return equal(a, b);
}
};
struct hash {
size_t operator()(const std::string &key) const {
return hash_core(key.data(), key.size(), 0);
}
size_t hash_core(const char *s, size_t l, size_t h) const {
return (l == 0) ? h
: hash_core(s + 1, l - 1,
(((std::numeric_limits<size_t>::max)() >> 6) &
h * 33) ^
static_cast<unsigned char>(to_lower(*s)));
}
};
template <typename T>
using unordered_set = std::unordered_set<T, detail::case_ignore::hash,
detail::case_ignore::equal_to>;
}
struct scope_exit {
explicit scope_exit(std::function<void(void)> &&f)
: exit_function(std::move(f)), execute_on_destruction{true} {}
scope_exit(scope_exit &&rhs) noexcept
: exit_function(std::move(rhs.exit_function)),
execute_on_destruction{rhs.execute_on_destruction} {
rhs.release();
}
~scope_exit() {
if (execute_on_destruction) { this->exit_function(); }
}
void release() { this->execute_on_destruction = false; }
private:
scope_exit(const scope_exit &) = delete;
void operator=(const scope_exit &) = delete;
scope_exit &operator=(scope_exit &&) = delete;
std::function<void(void)> exit_function;
bool execute_on_destruction;
};
}
enum SSLVerifierResponse {
NoDecisionMade,
CertificateAccepted,
CertificateRejected
};
enum StatusCode {
Continue_100 = 100,
SwitchingProtocol_101 = 101,
Processing_102 = 102,
EarlyHints_103 = 103,
OK_200 = 200,
Created_201 = 201,
Accepted_202 = 202,
NonAuthoritativeInformation_203 = 203,
NoContent_204 = 204,
ResetContent_205 = 205,
PartialContent_206 = 206,
MultiStatus_207 = 207,
AlreadyReported_208 = 208,
IMUsed_226 = 226,
MultipleChoices_300 = 300,
MovedPermanently_301 = 301,
Found_302 = 302,
SeeOther_303 = 303,
NotModified_304 = 304,
UseProxy_305 = 305,
unused_306 = 306,
TemporaryRedirect_307 = 307,
PermanentRedirect_308 = 308,
BadRequest_400 = 400,
Unauthorized_401 = 401,
PaymentRequired_402 = 402,
Forbidden_403 = 403,
NotFound_404 = 404,
MethodNotAllowed_405 = 405,
NotAcceptable_406 = 406,
ProxyAuthenticationRequired_407 = 407,
RequestTimeout_408 = 408,
Conflict_409 = 409,
Gone_410 = 410,
LengthRequired_411 = 411,
PreconditionFailed_412 = 412,
PayloadTooLarge_413 = 413,
UriTooLong_414 = 414,
UnsupportedMediaType_415 = 415,
RangeNotSatisfiable_416 = 416,
ExpectationFailed_417 = 417,
ImATeapot_418 = 418,
MisdirectedRequest_421 = 421,
UnprocessableContent_422 = 422,
Locked_423 = 423,
FailedDependency_424 = 424,
TooEarly_425 = 425,
UpgradeRequired_426 = 426,
PreconditionRequired_428 = 428,
TooManyRequests_429 = 429,
RequestHeaderFieldsTooLarge_431 = 431,
UnavailableForLegalReasons_451 = 451,
InternalServerError_500 = 500,
NotImplemented_501 = 501,
BadGateway_502 = 502,
ServiceUnavailable_503 = 503,
GatewayTimeout_504 = 504,
HttpVersionNotSupported_505 = 505,
VariantAlsoNegotiates_506 = 506,
InsufficientStorage_507 = 507,
LoopDetected_508 = 508,
NotExtended_510 = 510,
NetworkAuthenticationRequired_511 = 511,
};
using Headers =
std::unordered_multimap<std::string, std::string, detail::case_ignore::hash,
detail::case_ignore::equal_to>;
using Params = std::multimap<std::string, std::string>;
using Match = std::smatch;
using DownloadProgress = std::function<bool(size_t current, size_t total)>;
using UploadProgress = std::function<bool(size_t current, size_t total)>;
struct Response;
using ResponseHandler = std::function<bool(const Response &response)>;
struct FormData {
std::string name;
std::string content;
std::string filename;
std::string content_type;
Headers headers;
};
struct FormField {
std::string name;
std::string content;
Headers headers;
};
using FormFields = std::multimap<std::string, FormField>;
using FormFiles = std::multimap<std::string, FormData>;
struct MultipartFormData {
FormFields fields; FormFiles files;
std::string get_field(const std::string &key, size_t id = 0) const;
std::vector<std::string> get_fields(const std::string &key) const;
bool has_field(const std::string &key) const;
size_t get_field_count(const std::string &key) const;
FormData get_file(const std::string &key, size_t id = 0) const;
std::vector<FormData> get_files(const std::string &key) const;
bool has_file(const std::string &key) const;
size_t get_file_count(const std::string &key) const;
};
struct UploadFormData {
std::string name;
std::string content;
std::string filename;
std::string content_type;
};
using UploadFormDataItems = std::vector<UploadFormData>;
class DataSink {
public:
DataSink() : os(&sb_), sb_(*this) {}
DataSink(const DataSink &) = delete;
DataSink &operator=(const DataSink &) = delete;
DataSink(DataSink &&) = delete;
DataSink &operator=(DataSink &&) = delete;
std::function<bool(const char *data, size_t data_len)> write;
std::function<bool()> is_writable;
std::function<void()> done;
std::function<void(const Headers &trailer)> done_with_trailer;
std::ostream os;
private:
class data_sink_streambuf final : public std::streambuf {
public:
explicit data_sink_streambuf(DataSink &sink) : sink_(sink) {}
protected:
std::streamsize xsputn(const char *s, std::streamsize n) override {
sink_.write(s, static_cast<size_t>(n));
return n;
}
private:
DataSink &sink_;
};
data_sink_streambuf sb_;
};
using ContentProvider =
std::function<bool(size_t offset, size_t length, DataSink &sink)>;
using ContentProviderWithoutLength =
std::function<bool(size_t offset, DataSink &sink)>;
using ContentProviderResourceReleaser = std::function<void(bool success)>;
struct FormDataProvider {
std::string name;
ContentProviderWithoutLength provider;
std::string filename;
std::string content_type;
};
using FormDataProviderItems = std::vector<FormDataProvider>;
using ContentReceiverWithProgress = std::function<bool(
const char *data, size_t data_length, size_t offset, size_t total_length)>;
using ContentReceiver =
std::function<bool(const char *data, size_t data_length)>;
using FormDataHeader = std::function<bool(const FormData &file)>;
class ContentReader {
public:
using Reader = std::function<bool(ContentReceiver receiver)>;
using FormDataReader =
std::function<bool(FormDataHeader header, ContentReceiver receiver)>;
ContentReader(Reader reader, FormDataReader multipart_reader)
: reader_(std::move(reader)),
formdata_reader_(std::move(multipart_reader)) {}
bool operator()(FormDataHeader header, ContentReceiver receiver) const {
return formdata_reader_(std::move(header), std::move(receiver));
}
bool operator()(ContentReceiver receiver) const {
return reader_(std::move(receiver));
}
Reader reader_;
FormDataReader formdata_reader_;
};
using Range = std::pair<ssize_t, ssize_t>;
using Ranges = std::vector<Range>;
struct Request {
std::string method;
std::string path;
std::string matched_route;
Params params;
Headers headers;
Headers trailers;
std::string body;
std::string remote_addr;
int remote_port = -1;
std::string local_addr;
int local_port = -1;
std::string version;
std::string target;
MultipartFormData form;
Ranges ranges;
Match matches;
std::unordered_map<std::string, std::string> path_params;
std::function<bool()> is_connection_closed = []() { return true; };
std::vector<std::string> accept_content_types;
ResponseHandler response_handler;
ContentReceiverWithProgress content_receiver;
DownloadProgress download_progress;
UploadProgress upload_progress;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
const SSL *ssl = nullptr;
#endif
bool has_header(const std::string &key) const;
std::string get_header_value(const std::string &key, const char *def = "",
size_t id = 0) const;
size_t get_header_value_u64(const std::string &key, size_t def = 0,
size_t id = 0) const;
size_t get_header_value_count(const std::string &key) const;
void set_header(const std::string &key, const std::string &val);
bool has_trailer(const std::string &key) const;
std::string get_trailer_value(const std::string &key, size_t id = 0) const;
size_t get_trailer_value_count(const std::string &key) const;
bool has_param(const std::string &key) const;
std::string get_param_value(const std::string &key, size_t id = 0) const;
size_t get_param_value_count(const std::string &key) const;
bool is_multipart_form_data() const;
size_t redirect_count_ = CPPHTTPLIB_REDIRECT_MAX_COUNT;
size_t content_length_ = 0;
ContentProvider content_provider_;
bool is_chunked_content_provider_ = false;
size_t authorization_count_ = 0;
std::chrono::time_point<std::chrono::steady_clock> start_time_ =
(std::chrono::steady_clock::time_point::min)();
};
struct Response {
std::string version;
int status = -1;
std::string reason;
Headers headers;
Headers trailers;
std::string body;
std::string location;
bool has_header(const std::string &key) const;
std::string get_header_value(const std::string &key, const char *def = "",
size_t id = 0) const;
size_t get_header_value_u64(const std::string &key, size_t def = 0,
size_t id = 0) const;
size_t get_header_value_count(const std::string &key) const;
void set_header(const std::string &key, const std::string &val);
bool has_trailer(const std::string &key) const;
std::string get_trailer_value(const std::string &key, size_t id = 0) const;
size_t get_trailer_value_count(const std::string &key) const;
void set_redirect(const std::string &url, int status = StatusCode::Found_302);
void set_content(const char *s, size_t n, const std::string &content_type);
void set_content(const std::string &s, const std::string &content_type);
void set_content(std::string &&s, const std::string &content_type);
void set_content_provider(
size_t length, const std::string &content_type, ContentProvider provider,
ContentProviderResourceReleaser resource_releaser = nullptr);
void set_content_provider(
const std::string &content_type, ContentProviderWithoutLength provider,
ContentProviderResourceReleaser resource_releaser = nullptr);
void set_chunked_content_provider(
const std::string &content_type, ContentProviderWithoutLength provider,
ContentProviderResourceReleaser resource_releaser = nullptr);
void set_file_content(const std::string &path,
const std::string &content_type);
void set_file_content(const std::string &path);
Response() = default;
Response(const Response &) = default;
Response &operator=(const Response &) = default;
Response(Response &&) = default;
Response &operator=(Response &&) = default;
~Response() {
if (content_provider_resource_releaser_) {
content_provider_resource_releaser_(content_provider_success_);
}
}
size_t content_length_ = 0;
ContentProvider content_provider_;
ContentProviderResourceReleaser content_provider_resource_releaser_;
bool is_chunked_content_provider_ = false;
bool content_provider_success_ = false;
std::string file_content_path_;
std::string file_content_content_type_;
};
class Stream {
public:
virtual ~Stream() = default;
virtual bool is_readable() const = 0;
virtual bool wait_readable() const = 0;
virtual bool wait_writable() const = 0;
virtual ssize_t read(char *ptr, size_t size) = 0;
virtual ssize_t write(const char *ptr, size_t size) = 0;
virtual void get_remote_ip_and_port(std::string &ip, int &port) const = 0;
virtual void get_local_ip_and_port(std::string &ip, int &port) const = 0;
virtual socket_t socket() const = 0;
virtual time_t duration() const = 0;
ssize_t write(const char *ptr);
ssize_t write(const std::string &s);
};
class TaskQueue {
public:
TaskQueue() = default;
virtual ~TaskQueue() = default;
virtual bool enqueue(std::function<void()> fn) = 0;
virtual void shutdown() = 0;
virtual void on_idle() {}
};
class ThreadPool final : public TaskQueue {
public:
explicit ThreadPool(size_t n, size_t mqr = 0)
: shutdown_(false), max_queued_requests_(mqr) {
threads_.reserve(n);
while (n) {
threads_.emplace_back(worker(*this));
n--;
}
}
ThreadPool(const ThreadPool &) = delete;
~ThreadPool() override = default;
bool enqueue(std::function<void()> fn) override {
{
std::unique_lock<std::mutex> lock(mutex_);
if (max_queued_requests_ > 0 && jobs_.size() >= max_queued_requests_) {
return false;
}
jobs_.push_back(std::move(fn));
}
cond_.notify_one();
return true;
}
void shutdown() override {
{
std::unique_lock<std::mutex> lock(mutex_);
shutdown_ = true;
}
cond_.notify_all();
for (auto &t : threads_) {
t.join();
}
}
private:
struct worker {
explicit worker(ThreadPool &pool) : pool_(pool) {}
void operator()() {
for (;;) {
std::function<void()> fn;
{
std::unique_lock<std::mutex> lock(pool_.mutex_);
pool_.cond_.wait(
lock, [&] { return !pool_.jobs_.empty() || pool_.shutdown_; });
if (pool_.shutdown_ && pool_.jobs_.empty()) { break; }
fn = pool_.jobs_.front();
pool_.jobs_.pop_front();
}
assert(true == static_cast<bool>(fn));
fn();
}
#if defined(CPPHTTPLIB_OPENSSL_SUPPORT) && !defined(OPENSSL_IS_BORINGSSL) && \
!defined(LIBRESSL_VERSION_NUMBER)
OPENSSL_thread_stop();
#endif
}
ThreadPool &pool_;
};
friend struct worker;
std::vector<std::thread> threads_;
std::list<std::function<void()>> jobs_;
bool shutdown_;
size_t max_queued_requests_ = 0;
std::condition_variable cond_;
std::mutex mutex_;
};
using Logger = std::function<void(const Request &, const Response &)>;
enum class Error;
using ErrorLogger = std::function<void(const Error &, const Request *)>;
using SocketOptions = std::function<void(socket_t sock)>;
namespace detail {
bool set_socket_opt_impl(socket_t sock, int level, int optname,
const void *optval, socklen_t optlen);
bool set_socket_opt(socket_t sock, int level, int optname, int opt);
bool set_socket_opt_time(socket_t sock, int level, int optname, time_t sec,
time_t usec);
int close_socket(socket_t sock);
}
void default_socket_options(socket_t sock);
const char *status_message(int status);
std::string get_bearer_token_auth(const Request &req);
namespace detail {
class MatcherBase {
public:
MatcherBase(std::string pattern) : pattern_(std::move(pattern)) {}
virtual ~MatcherBase() = default;
const std::string &pattern() const { return pattern_; }
virtual bool match(Request &request) const = 0;
private:
std::string pattern_;
};
class PathParamsMatcher final : public MatcherBase {
public:
PathParamsMatcher(const std::string &pattern);
bool match(Request &request) const override;
private:
static constexpr char separator = '/';
std::vector<std::string> static_fragments_;
std::vector<std::string> param_names_;
};
class RegexMatcher final : public MatcherBase {
public:
RegexMatcher(const std::string &pattern)
: MatcherBase(pattern), regex_(pattern) {}
bool match(Request &request) const override;
private:
std::regex regex_;
};
ssize_t write_headers(Stream &strm, const Headers &headers);
std::string make_host_and_port_string(const std::string &host, int port,
bool is_ssl);
}
class Server {
public:
using Handler = std::function<void(const Request &, Response &)>;
using ExceptionHandler =
std::function<void(const Request &, Response &, std::exception_ptr ep)>;
enum class HandlerResponse {
Handled,
Unhandled,
};
using HandlerWithResponse =
std::function<HandlerResponse(const Request &, Response &)>;
using HandlerWithContentReader = std::function<void(
const Request &, Response &, const ContentReader &content_reader)>;
using Expect100ContinueHandler =
std::function<int(const Request &, Response &)>;
Server();
virtual ~Server();
virtual bool is_valid() const;
Server &Get(const std::string &pattern, Handler handler);
Server &Post(const std::string &pattern, Handler handler);
Server &Post(const std::string &pattern, HandlerWithContentReader handler);
Server &Put(const std::string &pattern, Handler handler);
Server &Put(const std::string &pattern, HandlerWithContentReader handler);
Server &Patch(const std::string &pattern, Handler handler);
Server &Patch(const std::string &pattern, HandlerWithContentReader handler);
Server &Delete(const std::string &pattern, Handler handler);
Server &Delete(const std::string &pattern, HandlerWithContentReader handler);
Server &Options(const std::string &pattern, Handler handler);
bool set_base_dir(const std::string &dir,
const std::string &mount_point = std::string());
bool set_mount_point(const std::string &mount_point, const std::string &dir,
Headers headers = Headers());
bool remove_mount_point(const std::string &mount_point);
Server &set_file_extension_and_mimetype_mapping(const std::string &ext,
const std::string &mime);
Server &set_default_file_mimetype(const std::string &mime);
Server &set_file_request_handler(Handler handler);
template <class ErrorHandlerFunc>
Server &set_error_handler(ErrorHandlerFunc &&handler) {
return set_error_handler_core(
std::forward<ErrorHandlerFunc>(handler),
std::is_convertible<ErrorHandlerFunc, HandlerWithResponse>{});
}
Server &set_exception_handler(ExceptionHandler handler);
Server &set_pre_routing_handler(HandlerWithResponse handler);
Server &set_post_routing_handler(Handler handler);
Server &set_pre_request_handler(HandlerWithResponse handler);
Server &set_expect_100_continue_handler(Expect100ContinueHandler handler);
Server &set_logger(Logger logger);
Server &set_pre_compression_logger(Logger logger);
Server &set_error_logger(ErrorLogger error_logger);
Server &set_address_family(int family);
Server &set_tcp_nodelay(bool on);
Server &set_ipv6_v6only(bool on);
Server &set_socket_options(SocketOptions socket_options);
Server &set_default_headers(Headers headers);
Server &
set_header_writer(std::function<ssize_t(Stream &, Headers &)> const &writer);
Server &set_trusted_proxies(const std::vector<std::string> &proxies);
Server &set_keep_alive_max_count(size_t count);
Server &set_keep_alive_timeout(time_t sec);
Server &set_read_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
Server &set_read_timeout(const std::chrono::duration<Rep, Period> &duration);
Server &set_write_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
Server &set_write_timeout(const std::chrono::duration<Rep, Period> &duration);
Server &set_idle_interval(time_t sec, time_t usec = 0);
template <class Rep, class Period>
Server &set_idle_interval(const std::chrono::duration<Rep, Period> &duration);
Server &set_payload_max_length(size_t length);
bool bind_to_port(const std::string &host, int port, int socket_flags = 0);
int bind_to_any_port(const std::string &host, int socket_flags = 0);
bool listen_after_bind();
bool listen(const std::string &host, int port, int socket_flags = 0);
bool is_running() const;
void wait_until_ready() const;
void stop();
void decommission();
std::function<TaskQueue *(void)> new_task_queue;
protected:
bool process_request(Stream &strm, const std::string &remote_addr,
int remote_port, const std::string &local_addr,
int local_port, bool close_connection,
bool &connection_closed,
const std::function<void(Request &)> &setup_request);
std::atomic<socket_t> svr_sock_{INVALID_SOCKET};
std::vector<std::string> trusted_proxies_;
size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT;
time_t keep_alive_timeout_sec_ = CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND;
time_t read_timeout_sec_ = CPPHTTPLIB_SERVER_READ_TIMEOUT_SECOND;
time_t read_timeout_usec_ = CPPHTTPLIB_SERVER_READ_TIMEOUT_USECOND;
time_t write_timeout_sec_ = CPPHTTPLIB_SERVER_WRITE_TIMEOUT_SECOND;
time_t write_timeout_usec_ = CPPHTTPLIB_SERVER_WRITE_TIMEOUT_USECOND;
time_t idle_interval_sec_ = CPPHTTPLIB_IDLE_INTERVAL_SECOND;
time_t idle_interval_usec_ = CPPHTTPLIB_IDLE_INTERVAL_USECOND;
size_t payload_max_length_ = CPPHTTPLIB_PAYLOAD_MAX_LENGTH;
private:
using Handlers =
std::vector<std::pair<std::unique_ptr<detail::MatcherBase>, Handler>>;
using HandlersForContentReader =
std::vector<std::pair<std::unique_ptr<detail::MatcherBase>,
HandlerWithContentReader>>;
static std::unique_ptr<detail::MatcherBase>
make_matcher(const std::string &pattern);
Server &set_error_handler_core(HandlerWithResponse handler, std::true_type);
Server &set_error_handler_core(Handler handler, std::false_type);
socket_t create_server_socket(const std::string &host, int port,
int socket_flags,
SocketOptions socket_options) const;
int bind_internal(const std::string &host, int port, int socket_flags);
bool listen_internal();
bool routing(Request &req, Response &res, Stream &strm);
bool handle_file_request(const Request &req, Response &res);
bool dispatch_request(Request &req, Response &res,
const Handlers &handlers) const;
bool dispatch_request_for_content_reader(
Request &req, Response &res, ContentReader content_reader,
const HandlersForContentReader &handlers) const;
bool parse_request_line(const char *s, Request &req) const;
void apply_ranges(const Request &req, Response &res,
std::string &content_type, std::string &boundary) const;
bool write_response(Stream &strm, bool close_connection, Request &req,
Response &res);
bool write_response_with_content(Stream &strm, bool close_connection,
const Request &req, Response &res);
bool write_response_core(Stream &strm, bool close_connection,
const Request &req, Response &res,
bool need_apply_ranges);
bool write_content_with_provider(Stream &strm, const Request &req,
Response &res, const std::string &boundary,
const std::string &content_type);
bool read_content(Stream &strm, Request &req, Response &res);
bool read_content_with_content_receiver(Stream &strm, Request &req,
Response &res,
ContentReceiver receiver,
FormDataHeader multipart_header,
ContentReceiver multipart_receiver);
bool read_content_core(Stream &strm, Request &req, Response &res,
ContentReceiver receiver,
FormDataHeader multipart_header,
ContentReceiver multipart_receiver) const;
virtual bool process_and_close_socket(socket_t sock);
void output_log(const Request &req, const Response &res) const;
void output_pre_compression_log(const Request &req,
const Response &res) const;
void output_error_log(const Error &err, const Request *req) const;
std::atomic<bool> is_running_{false};
std::atomic<bool> is_decommissioned{false};
struct MountPointEntry {
std::string mount_point;
std::string base_dir;
Headers headers;
};
std::vector<MountPointEntry> base_dirs_;
std::map<std::string, std::string> file_extension_and_mimetype_map_;
std::string default_file_mimetype_ = "application/octet-stream";
Handler file_request_handler_;
Handlers get_handlers_;
Handlers post_handlers_;
HandlersForContentReader post_handlers_for_content_reader_;
Handlers put_handlers_;
HandlersForContentReader put_handlers_for_content_reader_;
Handlers patch_handlers_;
HandlersForContentReader patch_handlers_for_content_reader_;
Handlers delete_handlers_;
HandlersForContentReader delete_handlers_for_content_reader_;
Handlers options_handlers_;
HandlerWithResponse error_handler_;
ExceptionHandler exception_handler_;
HandlerWithResponse pre_routing_handler_;
Handler post_routing_handler_;
HandlerWithResponse pre_request_handler_;
Expect100ContinueHandler expect_100_continue_handler_;
mutable std::mutex logger_mutex_;
Logger logger_;
Logger pre_compression_logger_;
ErrorLogger error_logger_;
int address_family_ = AF_UNSPEC;
bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY;
bool ipv6_v6only_ = CPPHTTPLIB_IPV6_V6ONLY;
SocketOptions socket_options_ = default_socket_options;
Headers default_headers_;
std::function<ssize_t(Stream &, Headers &)> header_writer_ =
detail::write_headers;
};
enum class Error {
Success = 0,
Unknown,
Connection,
BindIPAddress,
Read,
Write,
ExceedRedirectCount,
Canceled,
SSLConnection,
SSLLoadingCerts,
SSLServerVerification,
SSLServerHostnameVerification,
UnsupportedMultipartBoundaryChars,
Compression,
ConnectionTimeout,
ProxyConnection,
ResourceExhaustion,
TooManyFormDataFiles,
ExceedMaxPayloadSize,
ExceedUriMaxLength,
ExceedMaxSocketDescriptorCount,
InvalidRequestLine,
InvalidHTTPMethod,
InvalidHTTPVersion,
InvalidHeaders,
MultipartParsing,
OpenFile,
Listen,
GetSockName,
UnsupportedAddressFamily,
HTTPParsing,
InvalidRangeHeader,
SSLPeerCouldBeClosed_,
};
std::string to_string(Error error);
std::ostream &operator<<(std::ostream &os, const Error &obj);
class Result {
public:
Result() = default;
Result(std::unique_ptr<Response> &&res, Error err,
Headers &&request_headers = Headers{})
: res_(std::move(res)), err_(err),
request_headers_(std::move(request_headers)) {}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
Result(std::unique_ptr<Response> &&res, Error err, Headers &&request_headers,
int ssl_error)
: res_(std::move(res)), err_(err),
request_headers_(std::move(request_headers)), ssl_error_(ssl_error) {}
Result(std::unique_ptr<Response> &&res, Error err, Headers &&request_headers,
int ssl_error, unsigned long ssl_openssl_error)
: res_(std::move(res)), err_(err),
request_headers_(std::move(request_headers)), ssl_error_(ssl_error),
ssl_openssl_error_(ssl_openssl_error) {}
#endif
operator bool() const { return res_ != nullptr; }
bool operator==(std::nullptr_t) const { return res_ == nullptr; }
bool operator!=(std::nullptr_t) const { return res_ != nullptr; }
const Response &value() const { return *res_; }
Response &value() { return *res_; }
const Response &operator*() const { return *res_; }
Response &operator*() { return *res_; }
const Response *operator->() const { return res_.get(); }
Response *operator->() { return res_.get(); }
Error error() const { return err_; }
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
int ssl_error() const { return ssl_error_; }
unsigned long ssl_openssl_error() const { return ssl_openssl_error_; }
#endif
bool has_request_header(const std::string &key) const;
std::string get_request_header_value(const std::string &key,
const char *def = "",
size_t id = 0) const;
size_t get_request_header_value_u64(const std::string &key, size_t def = 0,
size_t id = 0) const;
size_t get_request_header_value_count(const std::string &key) const;
private:
std::unique_ptr<Response> res_;
Error err_ = Error::Unknown;
Headers request_headers_;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
int ssl_error_ = 0;
unsigned long ssl_openssl_error_ = 0;
#endif
};
struct ClientConnection {
socket_t sock = INVALID_SOCKET;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
SSL *ssl = nullptr;
#endif
bool is_open() const { return sock != INVALID_SOCKET; }
ClientConnection() = default;
~ClientConnection() {
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (ssl) {
SSL_free(ssl);
ssl = nullptr;
}
#endif
if (sock != INVALID_SOCKET) {
detail::close_socket(sock);
sock = INVALID_SOCKET;
}
}
ClientConnection(const ClientConnection &) = delete;
ClientConnection &operator=(const ClientConnection &) = delete;
ClientConnection(ClientConnection &&other) noexcept
: sock(other.sock)
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
,
ssl(other.ssl)
#endif
{
other.sock = INVALID_SOCKET;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
other.ssl = nullptr;
#endif
}
ClientConnection &operator=(ClientConnection &&other) noexcept {
if (this != &other) {
sock = other.sock;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
ssl = other.ssl;
#endif
other.sock = INVALID_SOCKET;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
other.ssl = nullptr;
#endif
}
return *this;
}
};
namespace detail {
struct ChunkedDecoder;
struct BodyReader {
Stream *stream = nullptr;
size_t content_length = 0;
size_t bytes_read = 0;
bool chunked = false;
bool eof = false;
std::unique_ptr<ChunkedDecoder> chunked_decoder;
Error last_error = Error::Success;
ssize_t read(char *buf, size_t len);
bool has_error() const { return last_error != Error::Success; }
};
inline ssize_t read_body_content(Stream *stream, BodyReader &br, char *buf,
size_t len) {
(void)stream;
return br.read(buf, len);
}
class decompressor;
}
class ClientImpl {
public:
explicit ClientImpl(const std::string &host);
explicit ClientImpl(const std::string &host, int port);
explicit ClientImpl(const std::string &host, int port,
const std::string &client_cert_path,
const std::string &client_key_path);
virtual ~ClientImpl();
virtual bool is_valid() const;
struct StreamHandle {
std::unique_ptr<Response> response;
Error error = Error::Success;
StreamHandle() = default;
StreamHandle(const StreamHandle &) = delete;
StreamHandle &operator=(const StreamHandle &) = delete;
StreamHandle(StreamHandle &&) = default;
StreamHandle &operator=(StreamHandle &&) = default;
~StreamHandle() = default;
bool is_valid() const {
return response != nullptr && error == Error::Success;
}
ssize_t read(char *buf, size_t len);
void parse_trailers_if_needed();
Error get_read_error() const { return body_reader_.last_error; }
bool has_read_error() const { return body_reader_.has_error(); }
bool trailers_parsed_ = false;
private:
friend class ClientImpl;
ssize_t read_with_decompression(char *buf, size_t len);
std::unique_ptr<ClientConnection> connection_;
std::unique_ptr<Stream> socket_stream_;
Stream *stream_ = nullptr;
detail::BodyReader body_reader_;
std::unique_ptr<detail::decompressor> decompressor_;
std::string decompress_buffer_;
size_t decompress_offset_ = 0;
};
Result Get(const std::string &path, DownloadProgress progress = nullptr);
Result Get(const std::string &path, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, ResponseHandler response_handler, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Headers &headers, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Params ¶ms, const Headers &headers, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Params ¶ms, const Headers &headers, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Params ¶ms, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Head(const std::string &path);
Result Head(const std::string &path, const Headers &headers);
Result Post(const std::string &path);
Result Post(const std::string &path, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Post(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Params ¶ms);
Result Post(const std::string &path, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers);
Result Post(const std::string &path, const Headers &headers, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const Params ¶ms);
Result Post(const std::string &path, const Headers &headers, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const std::string &boundary, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const FormDataProviderItems &provider_items, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Put(const std::string &path);
Result Put(const std::string &path, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Put(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Params ¶ms);
Result Put(const std::string &path, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers);
Result Put(const std::string &path, const Headers &headers, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const Params ¶ms);
Result Put(const std::string &path, const Headers &headers, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const std::string &boundary, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const FormDataProviderItems &provider_items, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Patch(const std::string &path);
Result Patch(const std::string &path, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Patch(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Params ¶ms);
Result Patch(const std::string &path, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const Params ¶ms);
Result Patch(const std::string &path, const Headers &headers, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const std::string &boundary, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const FormDataProviderItems &provider_items, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const char *body, size_t content_length, const std::string &content_type, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const std::string &body, const std::string &content_type, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Params ¶ms, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Headers &headers, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Headers &headers, const char *body, size_t content_length, const std::string &content_type, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Headers &headers, const Params ¶ms, DownloadProgress progress = nullptr);
Result Options(const std::string &path);
Result Options(const std::string &path, const Headers &headers);
StreamHandle open_stream(const std::string &method, const std::string &path,
const Params ¶ms = {},
const Headers &headers = {},
const std::string &body = {},
const std::string &content_type = {});
bool send(Request &req, Response &res, Error &error);
Result send(const Request &req);
void stop();
std::string host() const;
int port() const;
size_t is_socket_open() const;
socket_t socket() const;
void set_hostname_addr_map(std::map<std::string, std::string> addr_map);
void set_default_headers(Headers headers);
void
set_header_writer(std::function<ssize_t(Stream &, Headers &)> const &writer);
void set_address_family(int family);
void set_tcp_nodelay(bool on);
void set_ipv6_v6only(bool on);
void set_socket_options(SocketOptions socket_options);
void set_connection_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
void
set_connection_timeout(const std::chrono::duration<Rep, Period> &duration);
void set_read_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
void set_read_timeout(const std::chrono::duration<Rep, Period> &duration);
void set_write_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
void set_write_timeout(const std::chrono::duration<Rep, Period> &duration);
void set_max_timeout(time_t msec);
template <class Rep, class Period>
void set_max_timeout(const std::chrono::duration<Rep, Period> &duration);
void set_basic_auth(const std::string &username, const std::string &password);
void set_bearer_token_auth(const std::string &token);
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void set_digest_auth(const std::string &username,
const std::string &password);
#endif
void set_keep_alive(bool on);
void set_follow_location(bool on);
void set_path_encode(bool on);
void set_compress(bool on);
void set_decompress(bool on);
void set_interface(const std::string &intf);
void set_proxy(const std::string &host, int port);
void set_proxy_basic_auth(const std::string &username,
const std::string &password);
void set_proxy_bearer_token_auth(const std::string &token);
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void set_proxy_digest_auth(const std::string &username,
const std::string &password);
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void set_ca_cert_path(const std::string &ca_cert_file_path,
const std::string &ca_cert_dir_path = std::string());
void set_ca_cert_store(X509_STORE *ca_cert_store);
X509_STORE *create_ca_cert_store(const char *ca_cert, std::size_t size) const;
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void enable_server_certificate_verification(bool enabled);
void enable_server_hostname_verification(bool enabled);
void set_server_certificate_verifier(
std::function<SSLVerifierResponse(SSL *ssl)> verifier);
#endif
void set_logger(Logger logger);
void set_error_logger(ErrorLogger error_logger);
protected:
struct Socket {
socket_t sock = INVALID_SOCKET;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
SSL *ssl = nullptr;
#endif
bool is_open() const { return sock != INVALID_SOCKET; }
};
virtual bool create_and_connect_socket(Socket &socket, Error &error);
virtual bool ensure_socket_connection(Socket &socket, Error &error);
virtual void shutdown_ssl(Socket &socket, bool shutdown_gracefully);
void shutdown_socket(Socket &socket) const;
void close_socket(Socket &socket);
bool process_request(Stream &strm, Request &req, Response &res,
bool close_connection, Error &error);
bool write_content_with_provider(Stream &strm, const Request &req,
Error &error) const;
void copy_settings(const ClientImpl &rhs);
void output_log(const Request &req, const Response &res) const;
void output_error_log(const Error &err, const Request *req) const;
const std::string host_;
const int port_;
const std::string host_and_port_;
Socket socket_;
mutable std::mutex socket_mutex_;
std::recursive_mutex request_mutex_;
size_t socket_requests_in_flight_ = 0;
std::thread::id socket_requests_are_from_thread_ = std::thread::id();
bool socket_should_be_closed_when_request_is_done_ = false;
std::map<std::string, std::string> addr_map_;
Headers default_headers_;
std::function<ssize_t(Stream &, Headers &)> header_writer_ =
detail::write_headers;
std::string client_cert_path_;
std::string client_key_path_;
time_t connection_timeout_sec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND;
time_t connection_timeout_usec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND;
time_t read_timeout_sec_ = CPPHTTPLIB_CLIENT_READ_TIMEOUT_SECOND;
time_t read_timeout_usec_ = CPPHTTPLIB_CLIENT_READ_TIMEOUT_USECOND;
time_t write_timeout_sec_ = CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_SECOND;
time_t write_timeout_usec_ = CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_USECOND;
time_t max_timeout_msec_ = CPPHTTPLIB_CLIENT_MAX_TIMEOUT_MSECOND;
std::string basic_auth_username_;
std::string basic_auth_password_;
std::string bearer_token_auth_token_;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
std::string digest_auth_username_;
std::string digest_auth_password_;
#endif
bool keep_alive_ = false;
bool follow_location_ = false;
bool path_encode_ = true;
int address_family_ = AF_UNSPEC;
bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY;
bool ipv6_v6only_ = CPPHTTPLIB_IPV6_V6ONLY;
SocketOptions socket_options_ = nullptr;
bool compress_ = false;
bool decompress_ = true;
std::string interface_;
std::string proxy_host_;
int proxy_port_ = -1;
std::string proxy_basic_auth_username_;
std::string proxy_basic_auth_password_;
std::string proxy_bearer_token_auth_token_;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
std::string proxy_digest_auth_username_;
std::string proxy_digest_auth_password_;
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
std::string ca_cert_file_path_;
std::string ca_cert_dir_path_;
X509_STORE *ca_cert_store_ = nullptr;
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
bool server_certificate_verification_ = true;
bool server_hostname_verification_ = true;
std::function<SSLVerifierResponse(SSL *ssl)> server_certificate_verifier_;
#endif
mutable std::mutex logger_mutex_;
Logger logger_;
ErrorLogger error_logger_;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
int last_ssl_error_ = 0;
unsigned long last_openssl_error_ = 0;
#endif
private:
bool send_(Request &req, Response &res, Error &error);
Result send_(Request &&req);
socket_t create_client_socket(Error &error) const;
bool read_response_line(Stream &strm, const Request &req,
Response &res) const;
bool write_request(Stream &strm, Request &req, bool close_connection,
Error &error);
void prepare_default_headers(Request &r, bool for_stream,
const std::string &ct);
bool redirect(Request &req, Response &res, Error &error);
bool create_redirect_client(const std::string &scheme,
const std::string &host, int port, Request &req,
Response &res, const std::string &path,
const std::string &location, Error &error);
template <typename ClientType> void setup_redirect_client(ClientType &client);
bool handle_request(Stream &strm, Request &req, Response &res,
bool close_connection, Error &error);
std::unique_ptr<Response> send_with_content_provider_and_receiver(
Request &req, const char *body, size_t content_length,
ContentProvider content_provider,
ContentProviderWithoutLength content_provider_without_length,
const std::string &content_type, ContentReceiver content_receiver,
Error &error);
Result send_with_content_provider_and_receiver(
const std::string &method, const std::string &path,
const Headers &headers, const char *body, size_t content_length,
ContentProvider content_provider,
ContentProviderWithoutLength content_provider_without_length,
const std::string &content_type, ContentReceiver content_receiver,
UploadProgress progress);
ContentProviderWithoutLength get_multipart_content_provider(
const std::string &boundary, const UploadFormDataItems &items,
const FormDataProviderItems &provider_items) const;
virtual bool
process_socket(const Socket &socket,
std::chrono::time_point<std::chrono::steady_clock> start_time,
std::function<bool(Stream &strm)> callback);
virtual bool is_ssl() const;
void transfer_socket_ownership_to_handle(StreamHandle &handle);
};
class Client {
public:
explicit Client(const std::string &scheme_host_port);
explicit Client(const std::string &scheme_host_port,
const std::string &client_cert_path,
const std::string &client_key_path);
explicit Client(const std::string &host, int port);
explicit Client(const std::string &host, int port,
const std::string &client_cert_path,
const std::string &client_key_path);
Client(Client &&) = default;
Client &operator=(Client &&) = default;
~Client();
bool is_valid() const;
Result Get(const std::string &path, DownloadProgress progress = nullptr);
Result Get(const std::string &path, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, ResponseHandler response_handler, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Headers &headers, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Params ¶ms, const Headers &headers, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Params ¶ms, const Headers &headers, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Get(const std::string &path, const Params ¶ms, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Head(const std::string &path);
Result Head(const std::string &path, const Headers &headers);
Result Post(const std::string &path);
Result Post(const std::string &path, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Post(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Params ¶ms);
Result Post(const std::string &path, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers);
Result Post(const std::string &path, const Headers &headers, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const Params ¶ms);
Result Post(const std::string &path, const Headers &headers, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const std::string &boundary, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const FormDataProviderItems &provider_items, UploadProgress progress = nullptr);
Result Post(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Put(const std::string &path);
Result Put(const std::string &path, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Put(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Params ¶ms);
Result Put(const std::string &path, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers);
Result Put(const std::string &path, const Headers &headers, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const Params ¶ms);
Result Put(const std::string &path, const Headers &headers, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const std::string &boundary, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const FormDataProviderItems &provider_items, UploadProgress progress = nullptr);
Result Put(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Patch(const std::string &path);
Result Patch(const std::string &path, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Patch(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Params ¶ms);
Result Patch(const std::string &path, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers);
Result Patch(const std::string &path, const Headers &headers, const char *body, size_t content_length, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, const std::string &content_type, ContentReceiver content_receiver, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const Params ¶ms);
Result Patch(const std::string &path, const Headers &headers, const UploadFormDataItems &items, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const std::string &boundary, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const UploadFormDataItems &items, const FormDataProviderItems &provider_items, UploadProgress progress = nullptr);
Result Patch(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, ContentReceiver content_receiver, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const char *body, size_t content_length, const std::string &content_type, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const std::string &body, const std::string &content_type, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Params ¶ms, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Headers &headers, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Headers &headers, const char *body, size_t content_length, const std::string &content_type, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Headers &headers, const std::string &body, const std::string &content_type, DownloadProgress progress = nullptr);
Result Delete(const std::string &path, const Headers &headers, const Params ¶ms, DownloadProgress progress = nullptr);
Result Options(const std::string &path);
Result Options(const std::string &path, const Headers &headers);
ClientImpl::StreamHandle open_stream(const std::string &method,
const std::string &path,
const Params ¶ms = {},
const Headers &headers = {},
const std::string &body = {},
const std::string &content_type = {});
bool send(Request &req, Response &res, Error &error);
Result send(const Request &req);
void stop();
std::string host() const;
int port() const;
size_t is_socket_open() const;
socket_t socket() const;
void set_hostname_addr_map(std::map<std::string, std::string> addr_map);
void set_default_headers(Headers headers);
void
set_header_writer(std::function<ssize_t(Stream &, Headers &)> const &writer);
void set_address_family(int family);
void set_tcp_nodelay(bool on);
void set_socket_options(SocketOptions socket_options);
void set_connection_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
void
set_connection_timeout(const std::chrono::duration<Rep, Period> &duration);
void set_read_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
void set_read_timeout(const std::chrono::duration<Rep, Period> &duration);
void set_write_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
void set_write_timeout(const std::chrono::duration<Rep, Period> &duration);
void set_max_timeout(time_t msec);
template <class Rep, class Period>
void set_max_timeout(const std::chrono::duration<Rep, Period> &duration);
void set_basic_auth(const std::string &username, const std::string &password);
void set_bearer_token_auth(const std::string &token);
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void set_digest_auth(const std::string &username,
const std::string &password);
#endif
void set_keep_alive(bool on);
void set_follow_location(bool on);
void set_path_encode(bool on);
void set_url_encode(bool on);
void set_compress(bool on);
void set_decompress(bool on);
void set_interface(const std::string &intf);
void set_proxy(const std::string &host, int port);
void set_proxy_basic_auth(const std::string &username,
const std::string &password);
void set_proxy_bearer_token_auth(const std::string &token);
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void set_proxy_digest_auth(const std::string &username,
const std::string &password);
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void enable_server_certificate_verification(bool enabled);
void enable_server_hostname_verification(bool enabled);
void set_server_certificate_verifier(
std::function<SSLVerifierResponse(SSL *ssl)> verifier);
#endif
void set_logger(Logger logger);
void set_error_logger(ErrorLogger error_logger);
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void set_ca_cert_path(const std::string &ca_cert_file_path,
const std::string &ca_cert_dir_path = std::string());
void set_ca_cert_store(X509_STORE *ca_cert_store);
void load_ca_cert_store(const char *ca_cert, std::size_t size);
long get_openssl_verify_result() const;
SSL_CTX *ssl_context() const;
#endif
private:
std::unique_ptr<ClientImpl> cli_;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
bool is_ssl_ = false;
#endif
};
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
class SSLServer : public Server {
public:
SSLServer(const char *cert_path, const char *private_key_path,
const char *client_ca_cert_file_path = nullptr,
const char *client_ca_cert_dir_path = nullptr,
const char *private_key_password = nullptr);
SSLServer(X509 *cert, EVP_PKEY *private_key,
X509_STORE *client_ca_cert_store = nullptr);
SSLServer(
const std::function<bool(SSL_CTX &ssl_ctx)> &setup_ssl_ctx_callback);
~SSLServer() override;
bool is_valid() const override;
SSL_CTX *ssl_context() const;
void update_certs(X509 *cert, EVP_PKEY *private_key,
X509_STORE *client_ca_cert_store = nullptr);
int ssl_last_error() const { return last_ssl_error_; }
private:
bool process_and_close_socket(socket_t sock) override;
STACK_OF(X509_NAME) * extract_ca_names_from_x509_store(X509_STORE *store);
SSL_CTX *ctx_;
std::mutex ctx_mutex_;
int last_ssl_error_ = 0;
};
class SSLClient final : public ClientImpl {
public:
explicit SSLClient(const std::string &host);
explicit SSLClient(const std::string &host, int port);
explicit SSLClient(const std::string &host, int port,
const std::string &client_cert_path,
const std::string &client_key_path,
const std::string &private_key_password = std::string());
explicit SSLClient(const std::string &host, int port, X509 *client_cert,
EVP_PKEY *client_key,
const std::string &private_key_password = std::string());
~SSLClient() override;
bool is_valid() const override;
void set_ca_cert_store(X509_STORE *ca_cert_store);
void load_ca_cert_store(const char *ca_cert, std::size_t size);
long get_openssl_verify_result() const;
SSL_CTX *ssl_context() const;
private:
bool create_and_connect_socket(Socket &socket, Error &error) override;
bool ensure_socket_connection(Socket &socket, Error &error) override;
void shutdown_ssl(Socket &socket, bool shutdown_gracefully) override;
void shutdown_ssl_impl(Socket &socket, bool shutdown_gracefully);
bool
process_socket(const Socket &socket,
std::chrono::time_point<std::chrono::steady_clock> start_time,
std::function<bool(Stream &strm)> callback) override;
bool is_ssl() const override;
bool connect_with_proxy(
Socket &sock,
std::chrono::time_point<std::chrono::steady_clock> start_time,
Response &res, bool &success, Error &error);
bool initialize_ssl(Socket &socket, Error &error);
bool load_certs();
bool verify_host(X509 *server_cert) const;
bool verify_host_with_subject_alt_name(X509 *server_cert) const;
bool verify_host_with_common_name(X509 *server_cert) const;
bool check_host_name(const char *pattern, size_t pattern_len) const;
SSL_CTX *ctx_;
std::mutex ctx_mutex_;
std::once_flag initialize_cert_;
std::vector<std::string> host_components_;
long verify_result_ = 0;
friend class ClientImpl;
};
#endif
namespace detail {
template <typename T, typename U>
inline void duration_to_sec_and_usec(const T &duration, U callback) {
auto sec = std::chrono::duration_cast<std::chrono::seconds>(duration).count();
auto usec = std::chrono::duration_cast<std::chrono::microseconds>(
duration - std::chrono::seconds(sec))
.count();
callback(static_cast<time_t>(sec), static_cast<time_t>(usec));
}
template <size_t N> inline constexpr size_t str_len(const char (&)[N]) {
return N - 1;
}
inline bool is_numeric(const std::string &str) {
return !str.empty() &&
std::all_of(str.cbegin(), str.cend(),
[](unsigned char c) { return std::isdigit(c); });
}
inline size_t get_header_value_u64(const Headers &headers,
const std::string &key, size_t def,
size_t id, bool &is_invalid_value) {
is_invalid_value = false;
auto rng = headers.equal_range(key);
auto it = rng.first;
std::advance(it, static_cast<ssize_t>(id));
if (it != rng.second) {
if (is_numeric(it->second)) {
return std::strtoull(it->second.data(), nullptr, 10);
} else {
is_invalid_value = true;
}
}
return def;
}
inline size_t get_header_value_u64(const Headers &headers,
const std::string &key, size_t def,
size_t id) {
auto dummy = false;
return get_header_value_u64(headers, key, def, id, dummy);
}
}
inline size_t Request::get_header_value_u64(const std::string &key, size_t def,
size_t id) const {
return detail::get_header_value_u64(headers, key, def, id);
}
inline size_t Response::get_header_value_u64(const std::string &key, size_t def,
size_t id) const {
return detail::get_header_value_u64(headers, key, def, id);
}
namespace detail {
inline bool set_socket_opt_impl(socket_t sock, int level, int optname,
const void *optval, socklen_t optlen) {
return setsockopt(sock, level, optname,
#ifdef _WIN32
reinterpret_cast<const char *>(optval),
#else
optval,
#endif
optlen) == 0;
}
inline bool set_socket_opt(socket_t sock, int level, int optname, int optval) {
return set_socket_opt_impl(sock, level, optname, &optval, sizeof(optval));
}
inline bool set_socket_opt_time(socket_t sock, int level, int optname,
time_t sec, time_t usec) {
#ifdef _WIN32
auto timeout = static_cast<uint32_t>(sec * 1000 + usec / 1000);
#else
timeval timeout;
timeout.tv_sec = static_cast<long>(sec);
timeout.tv_usec = static_cast<decltype(timeout.tv_usec)>(usec);
#endif
return set_socket_opt_impl(sock, level, optname, &timeout, sizeof(timeout));
}
}
inline void default_socket_options(socket_t sock) {
detail::set_socket_opt(sock, SOL_SOCKET,
#ifdef SO_REUSEPORT
SO_REUSEPORT,
#else
SO_REUSEADDR,
#endif
1);
}
inline const char *status_message(int status) {
switch (status) {
case StatusCode::Continue_100: return "Continue";
case StatusCode::SwitchingProtocol_101: return "Switching Protocol";
case StatusCode::Processing_102: return "Processing";
case StatusCode::EarlyHints_103: return "Early Hints";
case StatusCode::OK_200: return "OK";
case StatusCode::Created_201: return "Created";
case StatusCode::Accepted_202: return "Accepted";
case StatusCode::NonAuthoritativeInformation_203:
return "Non-Authoritative Information";
case StatusCode::NoContent_204: return "No Content";
case StatusCode::ResetContent_205: return "Reset Content";
case StatusCode::PartialContent_206: return "Partial Content";
case StatusCode::MultiStatus_207: return "Multi-Status";
case StatusCode::AlreadyReported_208: return "Already Reported";
case StatusCode::IMUsed_226: return "IM Used";
case StatusCode::MultipleChoices_300: return "Multiple Choices";
case StatusCode::MovedPermanently_301: return "Moved Permanently";
case StatusCode::Found_302: return "Found";
case StatusCode::SeeOther_303: return "See Other";
case StatusCode::NotModified_304: return "Not Modified";
case StatusCode::UseProxy_305: return "Use Proxy";
case StatusCode::unused_306: return "unused";
case StatusCode::TemporaryRedirect_307: return "Temporary Redirect";
case StatusCode::PermanentRedirect_308: return "Permanent Redirect";
case StatusCode::BadRequest_400: return "Bad Request";
case StatusCode::Unauthorized_401: return "Unauthorized";
case StatusCode::PaymentRequired_402: return "Payment Required";
case StatusCode::Forbidden_403: return "Forbidden";
case StatusCode::NotFound_404: return "Not Found";
case StatusCode::MethodNotAllowed_405: return "Method Not Allowed";
case StatusCode::NotAcceptable_406: return "Not Acceptable";
case StatusCode::ProxyAuthenticationRequired_407:
return "Proxy Authentication Required";
case StatusCode::RequestTimeout_408: return "Request Timeout";
case StatusCode::Conflict_409: return "Conflict";
case StatusCode::Gone_410: return "Gone";
case StatusCode::LengthRequired_411: return "Length Required";
case StatusCode::PreconditionFailed_412: return "Precondition Failed";
case StatusCode::PayloadTooLarge_413: return "Payload Too Large";
case StatusCode::UriTooLong_414: return "URI Too Long";
case StatusCode::UnsupportedMediaType_415: return "Unsupported Media Type";
case StatusCode::RangeNotSatisfiable_416: return "Range Not Satisfiable";
case StatusCode::ExpectationFailed_417: return "Expectation Failed";
case StatusCode::ImATeapot_418: return "I'm a teapot";
case StatusCode::MisdirectedRequest_421: return "Misdirected Request";
case StatusCode::UnprocessableContent_422: return "Unprocessable Content";
case StatusCode::Locked_423: return "Locked";
case StatusCode::FailedDependency_424: return "Failed Dependency";
case StatusCode::TooEarly_425: return "Too Early";
case StatusCode::UpgradeRequired_426: return "Upgrade Required";
case StatusCode::PreconditionRequired_428: return "Precondition Required";
case StatusCode::TooManyRequests_429: return "Too Many Requests";
case StatusCode::RequestHeaderFieldsTooLarge_431:
return "Request Header Fields Too Large";
case StatusCode::UnavailableForLegalReasons_451:
return "Unavailable For Legal Reasons";
case StatusCode::NotImplemented_501: return "Not Implemented";
case StatusCode::BadGateway_502: return "Bad Gateway";
case StatusCode::ServiceUnavailable_503: return "Service Unavailable";
case StatusCode::GatewayTimeout_504: return "Gateway Timeout";
case StatusCode::HttpVersionNotSupported_505:
return "HTTP Version Not Supported";
case StatusCode::VariantAlsoNegotiates_506: return "Variant Also Negotiates";
case StatusCode::InsufficientStorage_507: return "Insufficient Storage";
case StatusCode::LoopDetected_508: return "Loop Detected";
case StatusCode::NotExtended_510: return "Not Extended";
case StatusCode::NetworkAuthenticationRequired_511:
return "Network Authentication Required";
default:
case StatusCode::InternalServerError_500: return "Internal Server Error";
}
}
inline std::string get_bearer_token_auth(const Request &req) {
if (req.has_header("Authorization")) {
constexpr auto bearer_header_prefix_len = detail::str_len("Bearer ");
return req.get_header_value("Authorization")
.substr(bearer_header_prefix_len);
}
return "";
}
template <class Rep, class Period>
inline Server &
Server::set_read_timeout(const std::chrono::duration<Rep, Period> &duration) {
detail::duration_to_sec_and_usec(
duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); });
return *this;
}
template <class Rep, class Period>
inline Server &
Server::set_write_timeout(const std::chrono::duration<Rep, Period> &duration) {
detail::duration_to_sec_and_usec(
duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); });
return *this;
}
template <class Rep, class Period>
inline Server &
Server::set_idle_interval(const std::chrono::duration<Rep, Period> &duration) {
detail::duration_to_sec_and_usec(
duration, [&](time_t sec, time_t usec) { set_idle_interval(sec, usec); });
return *this;
}
inline std::string to_string(const Error error) {
switch (error) {
case Error::Success: return "Success (no error)";
case Error::Unknown: return "Unknown";
case Error::Connection: return "Could not establish connection";
case Error::BindIPAddress: return "Failed to bind IP address";
case Error::Read: return "Failed to read connection";
case Error::Write: return "Failed to write connection";
case Error::ExceedRedirectCount: return "Maximum redirect count exceeded";
case Error::Canceled: return "Connection handling canceled";
case Error::SSLConnection: return "SSL connection failed";
case Error::SSLLoadingCerts: return "SSL certificate loading failed";
case Error::SSLServerVerification: return "SSL server verification failed";
case Error::SSLServerHostnameVerification:
return "SSL server hostname verification failed";
case Error::UnsupportedMultipartBoundaryChars:
return "Unsupported HTTP multipart boundary characters";
case Error::Compression: return "Compression failed";
case Error::ConnectionTimeout: return "Connection timed out";
case Error::ProxyConnection: return "Proxy connection failed";
case Error::ResourceExhaustion: return "Resource exhaustion";
case Error::TooManyFormDataFiles: return "Too many form data files";
case Error::ExceedMaxPayloadSize: return "Exceeded maximum payload size";
case Error::ExceedUriMaxLength: return "Exceeded maximum URI length";
case Error::ExceedMaxSocketDescriptorCount:
return "Exceeded maximum socket descriptor count";
case Error::InvalidRequestLine: return "Invalid request line";
case Error::InvalidHTTPMethod: return "Invalid HTTP method";
case Error::InvalidHTTPVersion: return "Invalid HTTP version";
case Error::InvalidHeaders: return "Invalid headers";
case Error::MultipartParsing: return "Multipart parsing failed";
case Error::OpenFile: return "Failed to open file";
case Error::Listen: return "Failed to listen on socket";
case Error::GetSockName: return "Failed to get socket name";
case Error::UnsupportedAddressFamily: return "Unsupported address family";
case Error::HTTPParsing: return "HTTP parsing failed";
case Error::InvalidRangeHeader: return "Invalid Range header";
default: break;
}
return "Invalid";
}
inline std::ostream &operator<<(std::ostream &os, const Error &obj) {
os << to_string(obj);
os << " (" << static_cast<std::underlying_type<Error>::type>(obj) << ')';
return os;
}
inline size_t Result::get_request_header_value_u64(const std::string &key,
size_t def,
size_t id) const {
return detail::get_header_value_u64(request_headers_, key, def, id);
}
template <class Rep, class Period>
inline void ClientImpl::set_connection_timeout(
const std::chrono::duration<Rep, Period> &duration) {
detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) {
set_connection_timeout(sec, usec);
});
}
template <class Rep, class Period>
inline void ClientImpl::set_read_timeout(
const std::chrono::duration<Rep, Period> &duration) {
detail::duration_to_sec_and_usec(
duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); });
}
template <class Rep, class Period>
inline void ClientImpl::set_write_timeout(
const std::chrono::duration<Rep, Period> &duration) {
detail::duration_to_sec_and_usec(
duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); });
}
template <class Rep, class Period>
inline void ClientImpl::set_max_timeout(
const std::chrono::duration<Rep, Period> &duration) {
auto msec =
std::chrono::duration_cast<std::chrono::milliseconds>(duration).count();
set_max_timeout(msec);
}
template <class Rep, class Period>
inline void Client::set_connection_timeout(
const std::chrono::duration<Rep, Period> &duration) {
cli_->set_connection_timeout(duration);
}
template <class Rep, class Period>
inline void
Client::set_read_timeout(const std::chrono::duration<Rep, Period> &duration) {
cli_->set_read_timeout(duration);
}
template <class Rep, class Period>
inline void
Client::set_write_timeout(const std::chrono::duration<Rep, Period> &duration) {
cli_->set_write_timeout(duration);
}
inline void Client::set_max_timeout(time_t msec) {
cli_->set_max_timeout(msec);
}
template <class Rep, class Period>
inline void
Client::set_max_timeout(const std::chrono::duration<Rep, Period> &duration) {
cli_->set_max_timeout(duration);
}
std::string hosted_at(const std::string &hostname);
void hosted_at(const std::string &hostname, std::vector<std::string> &addrs);
std::string encode_uri_component(const std::string &value);
std::string encode_uri(const std::string &value);
std::string decode_uri_component(const std::string &value);
std::string decode_uri(const std::string &value);
std::string encode_path_component(const std::string &component);
std::string decode_path_component(const std::string &component);
std::string encode_query_component(const std::string &component,
bool space_as_plus = true);
std::string decode_query_component(const std::string &component,
bool plus_as_space = true);
std::string append_query_params(const std::string &path, const Params ¶ms);
std::pair<std::string, std::string> make_range_header(const Ranges &ranges);
std::pair<std::string, std::string>
make_basic_authentication_header(const std::string &username,
const std::string &password,
bool is_proxy = false);
namespace detail {
#if defined(_WIN32)
inline std::wstring u8string_to_wstring(const char *s) {
std::wstring ws;
auto len = static_cast<int>(strlen(s));
auto wlen = ::MultiByteToWideChar(CP_UTF8, 0, s, len, nullptr, 0);
if (wlen > 0) {
ws.resize(wlen);
wlen = ::MultiByteToWideChar(
CP_UTF8, 0, s, len,
const_cast<LPWSTR>(reinterpret_cast<LPCWSTR>(ws.data())), wlen);
if (wlen != static_cast<int>(ws.size())) { ws.clear(); }
}
return ws;
}
#endif
struct FileStat {
FileStat(const std::string &path);
bool is_file() const;
bool is_dir() const;
private:
#if defined(_WIN32)
struct _stat st_;
#else
struct stat st_;
#endif
int ret_ = -1;
};
std::string trim_copy(const std::string &s);
void divide(
const char *data, std::size_t size, char d,
std::function<void(const char *, std::size_t, const char *, std::size_t)>
fn);
void divide(
const std::string &str, char d,
std::function<void(const char *, std::size_t, const char *, std::size_t)>
fn);
void split(const char *b, const char *e, char d,
std::function<void(const char *, const char *)> fn);
void split(const char *b, const char *e, char d, size_t m,
std::function<void(const char *, const char *)> fn);
bool process_client_socket(
socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec,
time_t write_timeout_sec, time_t write_timeout_usec,
time_t max_timeout_msec,
std::chrono::time_point<std::chrono::steady_clock> start_time,
std::function<bool(Stream &)> callback);
socket_t create_client_socket(const std::string &host, const std::string &ip,
int port, int address_family, bool tcp_nodelay,
bool ipv6_v6only, SocketOptions socket_options,
time_t connection_timeout_sec,
time_t connection_timeout_usec,
time_t read_timeout_sec, time_t read_timeout_usec,
time_t write_timeout_sec,
time_t write_timeout_usec,
const std::string &intf, Error &error);
const char *get_header_value(const Headers &headers, const std::string &key,
const char *def, size_t id);
std::string params_to_query_str(const Params ¶ms);
void parse_query_text(const char *data, std::size_t size, Params ¶ms);
void parse_query_text(const std::string &s, Params ¶ms);
bool parse_multipart_boundary(const std::string &content_type,
std::string &boundary);
bool parse_range_header(const std::string &s, Ranges &ranges);
bool parse_accept_header(const std::string &s,
std::vector<std::string> &content_types);
int close_socket(socket_t sock);
ssize_t send_socket(socket_t sock, const void *ptr, size_t size, int flags);
ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags);
enum class EncodingType { None = 0, Gzip, Brotli, Zstd };
EncodingType encoding_type(const Request &req, const Response &res);
class BufferStream final : public Stream {
public:
BufferStream() = default;
~BufferStream() override = default;
bool is_readable() const override;
bool wait_readable() const override;
bool wait_writable() const override;
ssize_t read(char *ptr, size_t size) override;
ssize_t write(const char *ptr, size_t size) override;
void get_remote_ip_and_port(std::string &ip, int &port) const override;
void get_local_ip_and_port(std::string &ip, int &port) const override;
socket_t socket() const override;
time_t duration() const override;
const std::string &get_buffer() const;
private:
std::string buffer;
size_t position = 0;
};
class compressor {
public:
virtual ~compressor() = default;
typedef std::function<bool(const char *data, size_t data_len)> Callback;
virtual bool compress(const char *data, size_t data_length, bool last,
Callback callback) = 0;
};
class decompressor {
public:
virtual ~decompressor() = default;
virtual bool is_valid() const = 0;
typedef std::function<bool(const char *data, size_t data_len)> Callback;
virtual bool decompress(const char *data, size_t data_length,
Callback callback) = 0;
};
class nocompressor final : public compressor {
public:
~nocompressor() override = default;
bool compress(const char *data, size_t data_length, bool ,
Callback callback) override;
};
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
class gzip_compressor final : public compressor {
public:
gzip_compressor();
~gzip_compressor() override;
bool compress(const char *data, size_t data_length, bool last,
Callback callback) override;
private:
bool is_valid_ = false;
z_stream strm_;
};
class gzip_decompressor final : public decompressor {
public:
gzip_decompressor();
~gzip_decompressor() override;
bool is_valid() const override;
bool decompress(const char *data, size_t data_length,
Callback callback) override;
private:
bool is_valid_ = false;
z_stream strm_;
};
#endif
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
class brotli_compressor final : public compressor {
public:
brotli_compressor();
~brotli_compressor();
bool compress(const char *data, size_t data_length, bool last,
Callback callback) override;
private:
BrotliEncoderState *state_ = nullptr;
};
class brotli_decompressor final : public decompressor {
public:
brotli_decompressor();
~brotli_decompressor();
bool is_valid() const override;
bool decompress(const char *data, size_t data_length,
Callback callback) override;
private:
BrotliDecoderResult decoder_r;
BrotliDecoderState *decoder_s = nullptr;
};
#endif
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
class zstd_compressor : public compressor {
public:
zstd_compressor();
~zstd_compressor();
bool compress(const char *data, size_t data_length, bool last,
Callback callback) override;
private:
ZSTD_CCtx *ctx_ = nullptr;
};
class zstd_decompressor : public decompressor {
public:
zstd_decompressor();
~zstd_decompressor();
bool is_valid() const override;
bool decompress(const char *data, size_t data_length,
Callback callback) override;
private:
ZSTD_DCtx *ctx_ = nullptr;
};
#endif
class stream_line_reader {
public:
stream_line_reader(Stream &strm, char *fixed_buffer,
size_t fixed_buffer_size);
const char *ptr() const;
size_t size() const;
bool end_with_crlf() const;
bool getline();
private:
void append(char c);
Stream &strm_;
char *fixed_buffer_;
const size_t fixed_buffer_size_;
size_t fixed_buffer_used_size_ = 0;
std::string growable_buffer_;
};
bool parse_trailers(stream_line_reader &line_reader, Headers &dest,
const Headers &src_headers);
struct ChunkedDecoder {
Stream &strm;
size_t chunk_remaining = 0;
bool finished = false;
char line_buf[64];
size_t last_chunk_total = 0;
size_t last_chunk_offset = 0;
explicit ChunkedDecoder(Stream &s);
ssize_t read_payload(char *buf, size_t len, size_t &out_chunk_offset,
size_t &out_chunk_total);
bool parse_trailers_into(Headers &dest, const Headers &src_headers);
};
class mmap {
public:
mmap(const char *path);
~mmap();
bool open(const char *path);
void close();
bool is_open() const;
size_t size() const;
const char *data() const;
private:
#if defined(_WIN32)
HANDLE hFile_ = NULL;
HANDLE hMapping_ = NULL;
#else
int fd_ = -1;
#endif
size_t size_ = 0;
void *addr_ = nullptr;
bool is_open_empty_file = false;
};
namespace fields {
inline bool is_token_char(char c) {
return std::isalnum(c) || c == '!' || c == '#' || c == '$' || c == '%' ||
c == '&' || c == '\'' || c == '*' || c == '+' || c == '-' ||
c == '.' || c == '^' || c == '_' || c == '`' || c == '|' || c == '~';
}
inline bool is_token(const std::string &s) {
if (s.empty()) { return false; }
for (auto c : s) {
if (!is_token_char(c)) { return false; }
}
return true;
}
inline bool is_field_name(const std::string &s) { return is_token(s); }
inline bool is_vchar(char c) { return c >= 33 && c <= 126; }
inline bool is_obs_text(char c) { return 128 <= static_cast<unsigned char>(c); }
inline bool is_field_vchar(char c) { return is_vchar(c) || is_obs_text(c); }
inline bool is_field_content(const std::string &s) {
if (s.empty()) { return true; }
if (s.size() == 1) {
return is_field_vchar(s[0]);
} else if (s.size() == 2) {
return is_field_vchar(s[0]) && is_field_vchar(s[1]);
} else {
size_t i = 0;
if (!is_field_vchar(s[i])) { return false; }
i++;
while (i < s.size() - 1) {
auto c = s[i++];
if (c == ' ' || c == '\t' || is_field_vchar(c)) {
} else {
return false;
}
}
return is_field_vchar(s[i]);
}
}
inline bool is_field_value(const std::string &s) { return is_field_content(s); }
}
}
namespace detail {
inline bool is_hex(char c, int &v) {
if (0x20 <= c && isdigit(c)) {
v = c - '0';
return true;
} else if ('A' <= c && c <= 'F') {
v = c - 'A' + 10;
return true;
} else if ('a' <= c && c <= 'f') {
v = c - 'a' + 10;
return true;
}
return false;
}
inline bool from_hex_to_i(const std::string &s, size_t i, size_t cnt,
int &val) {
if (i >= s.size()) { return false; }
val = 0;
for (; cnt; i++, cnt--) {
if (!s[i]) { return false; }
auto v = 0;
if (is_hex(s[i], v)) {
val = val * 16 + v;
} else {
return false;
}
}
return true;
}
inline std::string from_i_to_hex(size_t n) {
static const auto charset = "0123456789abcdef";
std::string ret;
do {
ret = charset[n & 15] + ret;
n >>= 4;
} while (n > 0);
return ret;
}
inline size_t to_utf8(int code, char *buff) {
if (code < 0x0080) {
buff[0] = static_cast<char>(code & 0x7F);
return 1;
} else if (code < 0x0800) {
buff[0] = static_cast<char>(0xC0 | ((code >> 6) & 0x1F));
buff[1] = static_cast<char>(0x80 | (code & 0x3F));
return 2;
} else if (code < 0xD800) {
buff[0] = static_cast<char>(0xE0 | ((code >> 12) & 0xF));
buff[1] = static_cast<char>(0x80 | ((code >> 6) & 0x3F));
buff[2] = static_cast<char>(0x80 | (code & 0x3F));
return 3;
} else if (code < 0xE000) { return 0;
} else if (code < 0x10000) {
buff[0] = static_cast<char>(0xE0 | ((code >> 12) & 0xF));
buff[1] = static_cast<char>(0x80 | ((code >> 6) & 0x3F));
buff[2] = static_cast<char>(0x80 | (code & 0x3F));
return 3;
} else if (code < 0x110000) {
buff[0] = static_cast<char>(0xF0 | ((code >> 18) & 0x7));
buff[1] = static_cast<char>(0x80 | ((code >> 12) & 0x3F));
buff[2] = static_cast<char>(0x80 | ((code >> 6) & 0x3F));
buff[3] = static_cast<char>(0x80 | (code & 0x3F));
return 4;
}
return 0;
}
inline std::string base64_encode(const std::string &in) {
static const auto lookup =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
std::string out;
out.reserve(in.size());
auto val = 0;
auto valb = -6;
for (auto c : in) {
val = (val << 8) + static_cast<uint8_t>(c);
valb += 8;
while (valb >= 0) {
out.push_back(lookup[(val >> valb) & 0x3F]);
valb -= 6;
}
}
if (valb > -6) { out.push_back(lookup[((val << 8) >> (valb + 8)) & 0x3F]); }
while (out.size() % 4) {
out.push_back('=');
}
return out;
}
inline bool is_valid_path(const std::string &path) {
size_t level = 0;
size_t i = 0;
while (i < path.size() && path[i] == '/') {
i++;
}
while (i < path.size()) {
auto beg = i;
while (i < path.size() && path[i] != '/') {
if (path[i] == '\0') {
return false;
} else if (path[i] == '\\') {
return false;
}
i++;
}
auto len = i - beg;
assert(len > 0);
if (!path.compare(beg, len, ".")) {
;
} else if (!path.compare(beg, len, "..")) {
if (level == 0) { return false; }
level--;
} else {
level++;
}
while (i < path.size() && path[i] == '/') {
i++;
}
}
return true;
}
inline FileStat::FileStat(const std::string &path) {
#if defined(_WIN32)
auto wpath = u8string_to_wstring(path.c_str());
ret_ = _wstat(wpath.c_str(), &st_);
#else
ret_ = stat(path.c_str(), &st_);
#endif
}
inline bool FileStat::is_file() const {
return ret_ >= 0 && S_ISREG(st_.st_mode);
}
inline bool FileStat::is_dir() const {
return ret_ >= 0 && S_ISDIR(st_.st_mode);
}
inline std::string encode_path(const std::string &s) {
std::string result;
result.reserve(s.size());
for (size_t i = 0; s[i]; i++) {
switch (s[i]) {
case ' ': result += "%20"; break;
case '+': result += "%2B"; break;
case '\r': result += "%0D"; break;
case '\n': result += "%0A"; break;
case '\'': result += "%27"; break;
case ',': result += "%2C"; break;
case ';': result += "%3B"; break;
default:
auto c = static_cast<uint8_t>(s[i]);
if (c >= 0x80) {
result += '%';
char hex[4];
auto len = snprintf(hex, sizeof(hex) - 1, "%02X", c);
assert(len == 2);
result.append(hex, static_cast<size_t>(len));
} else {
result += s[i];
}
break;
}
}
return result;
}
inline std::string file_extension(const std::string &path) {
std::smatch m;
thread_local auto re = std::regex("\\.([a-zA-Z0-9]+)$");
if (std::regex_search(path, m, re)) { return m[1].str(); }
return std::string();
}
inline bool is_space_or_tab(char c) { return c == ' ' || c == '\t'; }
template <typename T>
inline bool parse_header(const char *beg, const char *end, T fn);
template <typename T>
inline bool parse_header(const char *beg, const char *end, T fn) {
while (beg < end && is_space_or_tab(end[-1])) {
end--;
}
auto p = beg;
while (p < end && *p != ':') {
p++;
}
auto name = std::string(beg, p);
if (!detail::fields::is_field_name(name)) { return false; }
if (p == end) { return false; }
auto key_end = p;
if (*p++ != ':') { return false; }
while (p < end && is_space_or_tab(*p)) {
p++;
}
if (p <= end) {
auto key_len = key_end - beg;
if (!key_len) { return false; }
auto key = std::string(beg, key_end);
auto val = std::string(p, end);
if (!detail::fields::is_field_value(val)) { return false; }
if (case_ignore::equal(key, "Location") ||
case_ignore::equal(key, "Referer")) {
fn(key, val);
} else {
fn(key, decode_path_component(val));
}
return true;
}
return false;
}
inline bool parse_trailers(stream_line_reader &line_reader, Headers &dest,
const Headers &src_headers) {
thread_local case_ignore::unordered_set<std::string> prohibited_trailers = {
"transfer-encoding",
"content-length",
"host",
"authorization",
"www-authenticate",
"proxy-authenticate",
"proxy-authorization",
"cookie",
"set-cookie",
"cache-control",
"expect",
"max-forwards",
"pragma",
"range",
"te",
"age",
"expires",
"date",
"location",
"retry-after",
"vary",
"warning",
"content-encoding",
"content-type",
"content-range",
"trailer"};
case_ignore::unordered_set<std::string> declared_trailers;
auto trailer_header = get_header_value(src_headers, "Trailer", "", 0);
if (trailer_header && std::strlen(trailer_header)) {
auto len = std::strlen(trailer_header);
split(trailer_header, trailer_header + len, ',',
[&](const char *b, const char *e) {
const char *kbeg = b;
const char *kend = e;
while (kbeg < kend && (*kbeg == ' ' || *kbeg == '\t')) {
++kbeg;
}
while (kend > kbeg && (kend[-1] == ' ' || kend[-1] == '\t')) {
--kend;
}
std::string key(kbeg, static_cast<size_t>(kend - kbeg));
if (!key.empty() &&
prohibited_trailers.find(key) == prohibited_trailers.end()) {
declared_trailers.insert(key);
}
});
}
size_t trailer_header_count = 0;
while (strcmp(line_reader.ptr(), "\r\n") != 0) {
if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; }
if (trailer_header_count >= CPPHTTPLIB_HEADER_MAX_COUNT) { return false; }
constexpr auto line_terminator_len = 2;
auto line_beg = line_reader.ptr();
auto line_end =
line_reader.ptr() + line_reader.size() - line_terminator_len;
if (!parse_header(line_beg, line_end,
[&](const std::string &key, const std::string &val) {
if (declared_trailers.find(key) !=
declared_trailers.end()) {
dest.emplace(key, val);
trailer_header_count++;
}
})) {
return false;
}
if (!line_reader.getline()) { return false; }
}
return true;
}
inline std::pair<size_t, size_t> trim(const char *b, const char *e, size_t left,
size_t right) {
while (b + left < e && is_space_or_tab(b[left])) {
left++;
}
while (right > 0 && is_space_or_tab(b[right - 1])) {
right--;
}
return std::make_pair(left, right);
}
inline std::string trim_copy(const std::string &s) {
auto r = trim(s.data(), s.data() + s.size(), 0, s.size());
return s.substr(r.first, r.second - r.first);
}
inline std::string trim_double_quotes_copy(const std::string &s) {
if (s.length() >= 2 && s.front() == '"' && s.back() == '"') {
return s.substr(1, s.size() - 2);
}
return s;
}
inline void
divide(const char *data, std::size_t size, char d,
std::function<void(const char *, std::size_t, const char *, std::size_t)>
fn) {
const auto it = std::find(data, data + size, d);
const auto found = static_cast<std::size_t>(it != data + size);
const auto lhs_data = data;
const auto lhs_size = static_cast<std::size_t>(it - data);
const auto rhs_data = it + found;
const auto rhs_size = size - lhs_size - found;
fn(lhs_data, lhs_size, rhs_data, rhs_size);
}
inline void
divide(const std::string &str, char d,
std::function<void(const char *, std::size_t, const char *, std::size_t)>
fn) {
divide(str.data(), str.size(), d, std::move(fn));
}
inline void split(const char *b, const char *e, char d,
std::function<void(const char *, const char *)> fn) {
return split(b, e, d, (std::numeric_limits<size_t>::max)(), std::move(fn));
}
inline void split(const char *b, const char *e, char d, size_t m,
std::function<void(const char *, const char *)> fn) {
size_t i = 0;
size_t beg = 0;
size_t count = 1;
while (e ? (b + i < e) : (b[i] != '\0')) {
if (b[i] == d && count < m) {
auto r = trim(b, e, beg, i);
if (r.first < r.second) { fn(&b[r.first], &b[r.second]); }
beg = i + 1;
count++;
}
i++;
}
if (i) {
auto r = trim(b, e, beg, i);
if (r.first < r.second) { fn(&b[r.first], &b[r.second]); }
}
}
inline stream_line_reader::stream_line_reader(Stream &strm, char *fixed_buffer,
size_t fixed_buffer_size)
: strm_(strm), fixed_buffer_(fixed_buffer),
fixed_buffer_size_(fixed_buffer_size) {}
inline const char *stream_line_reader::ptr() const {
if (growable_buffer_.empty()) {
return fixed_buffer_;
} else {
return growable_buffer_.data();
}
}
inline size_t stream_line_reader::size() const {
if (growable_buffer_.empty()) {
return fixed_buffer_used_size_;
} else {
return growable_buffer_.size();
}
}
inline bool stream_line_reader::end_with_crlf() const {
auto end = ptr() + size();
return size() >= 2 && end[-2] == '\r' && end[-1] == '\n';
}
inline bool stream_line_reader::getline() {
fixed_buffer_used_size_ = 0;
growable_buffer_.clear();
#ifndef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR
char prev_byte = 0;
#endif
for (size_t i = 0;; i++) {
if (size() >= CPPHTTPLIB_MAX_LINE_LENGTH) {
return false;
}
char byte;
auto n = strm_.read(&byte, 1);
if (n < 0) {
return false;
} else if (n == 0) {
if (i == 0) {
return false;
} else {
break;
}
}
append(byte);
#ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR
if (byte == '\n') { break; }
#else
if (prev_byte == '\r' && byte == '\n') { break; }
prev_byte = byte;
#endif
}
return true;
}
inline void stream_line_reader::append(char c) {
if (fixed_buffer_used_size_ < fixed_buffer_size_ - 1) {
fixed_buffer_[fixed_buffer_used_size_++] = c;
fixed_buffer_[fixed_buffer_used_size_] = '\0';
} else {
if (growable_buffer_.empty()) {
assert(fixed_buffer_[fixed_buffer_used_size_] == '\0');
growable_buffer_.assign(fixed_buffer_, fixed_buffer_used_size_);
}
growable_buffer_ += c;
}
}
inline mmap::mmap(const char *path) { open(path); }
inline mmap::~mmap() { close(); }
inline bool mmap::open(const char *path) {
close();
#if defined(_WIN32)
auto wpath = u8string_to_wstring(path);
if (wpath.empty()) { return false; }
hFile_ = ::CreateFile2(wpath.c_str(), GENERIC_READ, FILE_SHARE_READ,
OPEN_EXISTING, NULL);
if (hFile_ == INVALID_HANDLE_VALUE) { return false; }
LARGE_INTEGER size{};
if (!::GetFileSizeEx(hFile_, &size)) { return false; }
if (static_cast<ULONGLONG>(size.QuadPart) >
(std::numeric_limits<decltype(size_)>::max)()) {
return false;
}
size_ = static_cast<size_t>(size.QuadPart);
hMapping_ =
::CreateFileMappingFromApp(hFile_, NULL, PAGE_READONLY, size_, NULL);
if (hMapping_ == NULL && size_ == 0) {
close();
is_open_empty_file = true;
return true;
}
if (hMapping_ == NULL) {
close();
return false;
}
addr_ = ::MapViewOfFileFromApp(hMapping_, FILE_MAP_READ, 0, 0);
if (addr_ == nullptr) {
close();
return false;
}
#else
fd_ = ::open(path, O_RDONLY);
if (fd_ == -1) { return false; }
struct stat sb;
if (fstat(fd_, &sb) == -1) {
close();
return false;
}
size_ = static_cast<size_t>(sb.st_size);
addr_ = ::mmap(NULL, size_, PROT_READ, MAP_PRIVATE, fd_, 0);
if (addr_ == MAP_FAILED && size_ == 0) {
close();
is_open_empty_file = true;
return false;
}
#endif
return true;
}
inline bool mmap::is_open() const {
return is_open_empty_file ? true : addr_ != nullptr;
}
inline size_t mmap::size() const { return size_; }
inline const char *mmap::data() const {
return is_open_empty_file ? "" : static_cast<const char *>(addr_);
}
inline void mmap::close() {
#if defined(_WIN32)
if (addr_) {
::UnmapViewOfFile(addr_);
addr_ = nullptr;
}
if (hMapping_) {
::CloseHandle(hMapping_);
hMapping_ = NULL;
}
if (hFile_ != INVALID_HANDLE_VALUE) {
::CloseHandle(hFile_);
hFile_ = INVALID_HANDLE_VALUE;
}
is_open_empty_file = false;
#else
if (addr_ != nullptr) {
munmap(addr_, size_);
addr_ = nullptr;
}
if (fd_ != -1) {
::close(fd_);
fd_ = -1;
}
#endif
size_ = 0;
}
inline int close_socket(socket_t sock) {
#ifdef _WIN32
return closesocket(sock);
#else
return close(sock);
#endif
}
template <typename T> inline ssize_t handle_EINTR(T fn) {
ssize_t res = 0;
while (true) {
res = fn();
if (res < 0 && errno == EINTR) {
std::this_thread::sleep_for(std::chrono::microseconds{1});
continue;
}
break;
}
return res;
}
inline ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags) {
return handle_EINTR([&]() {
return recv(sock,
#ifdef _WIN32
static_cast<char *>(ptr), static_cast<int>(size),
#else
ptr, size,
#endif
flags);
});
}
inline ssize_t send_socket(socket_t sock, const void *ptr, size_t size,
int flags) {
return handle_EINTR([&]() {
return send(sock,
#ifdef _WIN32
static_cast<const char *>(ptr), static_cast<int>(size),
#else
ptr, size,
#endif
flags);
});
}
inline int poll_wrapper(struct pollfd *fds, nfds_t nfds, int timeout) {
#ifdef _WIN32
return ::WSAPoll(fds, nfds, timeout);
#else
return ::poll(fds, nfds, timeout);
#endif
}
template <bool Read>
inline ssize_t select_impl(socket_t sock, time_t sec, time_t usec) {
#ifdef __APPLE__
if (sock >= FD_SETSIZE) { return -1; }
fd_set fds, *rfds, *wfds;
FD_ZERO(&fds);
FD_SET(sock, &fds);
rfds = (Read ? &fds : nullptr);
wfds = (Read ? nullptr : &fds);
timeval tv;
tv.tv_sec = static_cast<long>(sec);
tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec);
return handle_EINTR([&]() {
return select(static_cast<int>(sock + 1), rfds, wfds, nullptr, &tv);
});
#else
struct pollfd pfd;
pfd.fd = sock;
pfd.events = (Read ? POLLIN : POLLOUT);
auto timeout = static_cast<int>(sec * 1000 + usec / 1000);
return handle_EINTR([&]() { return poll_wrapper(&pfd, 1, timeout); });
#endif
}
inline ssize_t select_read(socket_t sock, time_t sec, time_t usec) {
return select_impl<true>(sock, sec, usec);
}
inline ssize_t select_write(socket_t sock, time_t sec, time_t usec) {
return select_impl<false>(sock, sec, usec);
}
inline Error wait_until_socket_is_ready(socket_t sock, time_t sec,
time_t usec) {
#ifdef __APPLE__
if (sock >= FD_SETSIZE) { return Error::Connection; }
fd_set fdsr, fdsw;
FD_ZERO(&fdsr);
FD_ZERO(&fdsw);
FD_SET(sock, &fdsr);
FD_SET(sock, &fdsw);
timeval tv;
tv.tv_sec = static_cast<long>(sec);
tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec);
auto ret = handle_EINTR([&]() {
return select(static_cast<int>(sock + 1), &fdsr, &fdsw, nullptr, &tv);
});
if (ret == 0) { return Error::ConnectionTimeout; }
if (ret > 0 && (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) {
auto error = 0;
socklen_t len = sizeof(error);
auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR,
reinterpret_cast<char *>(&error), &len);
auto successful = res >= 0 && !error;
return successful ? Error::Success : Error::Connection;
}
return Error::Connection;
#else
struct pollfd pfd_read;
pfd_read.fd = sock;
pfd_read.events = POLLIN | POLLOUT;
auto timeout = static_cast<int>(sec * 1000 + usec / 1000);
auto poll_res =
handle_EINTR([&]() { return poll_wrapper(&pfd_read, 1, timeout); });
if (poll_res == 0) { return Error::ConnectionTimeout; }
if (poll_res > 0 && pfd_read.revents & (POLLIN | POLLOUT)) {
auto error = 0;
socklen_t len = sizeof(error);
auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR,
reinterpret_cast<char *>(&error), &len);
auto successful = res >= 0 && !error;
return successful ? Error::Success : Error::Connection;
}
return Error::Connection;
#endif
}
inline bool is_socket_alive(socket_t sock) {
const auto val = detail::select_read(sock, 0, 0);
if (val == 0) {
return true;
} else if (val < 0 && errno == EBADF) {
return false;
}
char buf[1];
return detail::read_socket(sock, &buf[0], sizeof(buf), MSG_PEEK) > 0;
}
class SocketStream final : public Stream {
public:
SocketStream(socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec,
time_t write_timeout_sec, time_t write_timeout_usec,
time_t max_timeout_msec = 0,
std::chrono::time_point<std::chrono::steady_clock> start_time =
(std::chrono::steady_clock::time_point::min)());
~SocketStream() override;
bool is_readable() const override;
bool wait_readable() const override;
bool wait_writable() const override;
ssize_t read(char *ptr, size_t size) override;
ssize_t write(const char *ptr, size_t size) override;
void get_remote_ip_and_port(std::string &ip, int &port) const override;
void get_local_ip_and_port(std::string &ip, int &port) const override;
socket_t socket() const override;
time_t duration() const override;
private:
socket_t sock_;
time_t read_timeout_sec_;
time_t read_timeout_usec_;
time_t write_timeout_sec_;
time_t write_timeout_usec_;
time_t max_timeout_msec_;
const std::chrono::time_point<std::chrono::steady_clock> start_time_;
std::vector<char> read_buff_;
size_t read_buff_off_ = 0;
size_t read_buff_content_size_ = 0;
static const size_t read_buff_size_ = 1024l * 4;
};
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
class SSLSocketStream final : public Stream {
public:
SSLSocketStream(
socket_t sock, SSL *ssl, time_t read_timeout_sec,
time_t read_timeout_usec, time_t write_timeout_sec,
time_t write_timeout_usec, time_t max_timeout_msec = 0,
std::chrono::time_point<std::chrono::steady_clock> start_time =
(std::chrono::steady_clock::time_point::min)());
~SSLSocketStream() override;
bool is_readable() const override;
bool wait_readable() const override;
bool wait_writable() const override;
ssize_t read(char *ptr, size_t size) override;
ssize_t write(const char *ptr, size_t size) override;
void get_remote_ip_and_port(std::string &ip, int &port) const override;
void get_local_ip_and_port(std::string &ip, int &port) const override;
socket_t socket() const override;
time_t duration() const override;
private:
socket_t sock_;
SSL *ssl_;
time_t read_timeout_sec_;
time_t read_timeout_usec_;
time_t write_timeout_sec_;
time_t write_timeout_usec_;
time_t max_timeout_msec_;
const std::chrono::time_point<std::chrono::steady_clock> start_time_;
};
#endif
inline bool keep_alive(const std::atomic<socket_t> &svr_sock, socket_t sock,
time_t keep_alive_timeout_sec) {
using namespace std::chrono;
const auto interval_usec =
CPPHTTPLIB_KEEPALIVE_TIMEOUT_CHECK_INTERVAL_USECOND;
if (select_read(sock, 0, interval_usec) > 0) { return true; }
const auto start = steady_clock::now() - microseconds{interval_usec};
const auto timeout = seconds{keep_alive_timeout_sec};
while (true) {
if (svr_sock == INVALID_SOCKET) {
break; }
auto val = select_read(sock, 0, interval_usec);
if (val < 0) {
break; } else if (val == 0) {
if (steady_clock::now() - start > timeout) {
break; }
} else {
return true; }
}
return false;
}
template <typename T>
inline bool
process_server_socket_core(const std::atomic<socket_t> &svr_sock, socket_t sock,
size_t keep_alive_max_count,
time_t keep_alive_timeout_sec, T callback) {
assert(keep_alive_max_count > 0);
auto ret = false;
auto count = keep_alive_max_count;
while (count > 0 && keep_alive(svr_sock, sock, keep_alive_timeout_sec)) {
auto close_connection = count == 1;
auto connection_closed = false;
ret = callback(close_connection, connection_closed);
if (!ret || connection_closed) { break; }
count--;
}
return ret;
}
template <typename T>
inline bool
process_server_socket(const std::atomic<socket_t> &svr_sock, socket_t sock,
size_t keep_alive_max_count,
time_t keep_alive_timeout_sec, time_t read_timeout_sec,
time_t read_timeout_usec, time_t write_timeout_sec,
time_t write_timeout_usec, T callback) {
return process_server_socket_core(
svr_sock, sock, keep_alive_max_count, keep_alive_timeout_sec,
[&](bool close_connection, bool &connection_closed) {
SocketStream strm(sock, read_timeout_sec, read_timeout_usec,
write_timeout_sec, write_timeout_usec);
return callback(strm, close_connection, connection_closed);
});
}
inline bool process_client_socket(
socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec,
time_t write_timeout_sec, time_t write_timeout_usec,
time_t max_timeout_msec,
std::chrono::time_point<std::chrono::steady_clock> start_time,
std::function<bool(Stream &)> callback) {
SocketStream strm(sock, read_timeout_sec, read_timeout_usec,
write_timeout_sec, write_timeout_usec, max_timeout_msec,
start_time);
return callback(strm);
}
inline int shutdown_socket(socket_t sock) {
#ifdef _WIN32
return shutdown(sock, SD_BOTH);
#else
return shutdown(sock, SHUT_RDWR);
#endif
}
inline std::string escape_abstract_namespace_unix_domain(const std::string &s) {
if (s.size() > 1 && s[0] == '\0') {
auto ret = s;
ret[0] = '@';
return ret;
}
return s;
}
inline std::string
unescape_abstract_namespace_unix_domain(const std::string &s) {
if (s.size() > 1 && s[0] == '@') {
auto ret = s;
ret[0] = '\0';
return ret;
}
return s;
}
inline int getaddrinfo_with_timeout(const char *node, const char *service,
const struct addrinfo *hints,
struct addrinfo **res, time_t timeout_sec) {
#ifdef CPPHTTPLIB_USE_NON_BLOCKING_GETADDRINFO
if (timeout_sec <= 0) {
return getaddrinfo(node, service, hints, res);
}
#ifdef _WIN32
OVERLAPPED overlapped = {0};
HANDLE event = CreateEventW(nullptr, TRUE, FALSE, nullptr);
if (!event) { return EAI_FAIL; }
overlapped.hEvent = event;
PADDRINFOEXW result_addrinfo = nullptr;
HANDLE cancel_handle = nullptr;
ADDRINFOEXW hints_ex = {0};
if (hints) {
hints_ex.ai_flags = hints->ai_flags;
hints_ex.ai_family = hints->ai_family;
hints_ex.ai_socktype = hints->ai_socktype;
hints_ex.ai_protocol = hints->ai_protocol;
}
auto wnode = u8string_to_wstring(node);
auto wservice = u8string_to_wstring(service);
auto ret = ::GetAddrInfoExW(wnode.data(), wservice.data(), NS_DNS, nullptr,
hints ? &hints_ex : nullptr, &result_addrinfo,
nullptr, &overlapped, nullptr, &cancel_handle);
if (ret == WSA_IO_PENDING) {
auto wait_result =
::WaitForSingleObject(event, static_cast<DWORD>(timeout_sec * 1000));
if (wait_result == WAIT_TIMEOUT) {
if (cancel_handle) { ::GetAddrInfoExCancel(&cancel_handle); }
::CloseHandle(event);
return EAI_AGAIN;
}
DWORD bytes_returned;
if (!::GetOverlappedResult((HANDLE)INVALID_SOCKET, &overlapped,
&bytes_returned, FALSE)) {
::CloseHandle(event);
return ::WSAGetLastError();
}
}
::CloseHandle(event);
if (ret == NO_ERROR || ret == WSA_IO_PENDING) {
*res = reinterpret_cast<struct addrinfo *>(result_addrinfo);
return 0;
}
return ret;
#elif TARGET_OS_MAC
CFStringRef hostname_ref = CFStringCreateWithCString(
kCFAllocatorDefault, node, kCFStringEncodingUTF8);
if (!hostname_ref) { return EAI_MEMORY; }
CFHostRef host_ref = CFHostCreateWithName(kCFAllocatorDefault, hostname_ref);
CFRelease(hostname_ref);
if (!host_ref) { return EAI_MEMORY; }
struct CFHostContext {
bool completed = false;
bool success = false;
CFArrayRef addresses = nullptr;
std::mutex mutex;
std::condition_variable cv;
} context;
CFHostClientContext client_context;
memset(&client_context, 0, sizeof(client_context));
client_context.info = &context;
auto callback = [](CFHostRef theHost, CFHostInfoType ,
const CFStreamError *error, void *info) {
auto ctx = static_cast<CFHostContext *>(info);
std::lock_guard<std::mutex> lock(ctx->mutex);
if (error && error->error != 0) {
ctx->success = false;
} else {
Boolean hasBeenResolved;
ctx->addresses = CFHostGetAddressing(theHost, &hasBeenResolved);
if (ctx->addresses && hasBeenResolved) {
CFRetain(ctx->addresses);
ctx->success = true;
} else {
ctx->success = false;
}
}
ctx->completed = true;
ctx->cv.notify_one();
};
if (!CFHostSetClient(host_ref, callback, &client_context)) {
CFRelease(host_ref);
return EAI_SYSTEM;
}
CFRunLoopRef run_loop = CFRunLoopGetCurrent();
CFHostScheduleWithRunLoop(host_ref, run_loop, kCFRunLoopDefaultMode);
CFStreamError stream_error;
if (!CFHostStartInfoResolution(host_ref, kCFHostAddresses, &stream_error)) {
CFHostUnscheduleFromRunLoop(host_ref, run_loop, kCFRunLoopDefaultMode);
CFRelease(host_ref);
return EAI_FAIL;
}
auto timeout_time =
std::chrono::steady_clock::now() + std::chrono::seconds(timeout_sec);
bool timed_out = false;
{
std::unique_lock<std::mutex> lock(context.mutex);
while (!context.completed) {
auto now = std::chrono::steady_clock::now();
if (now >= timeout_time) {
timed_out = true;
break;
}
lock.unlock();
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, true);
lock.lock();
}
}
CFHostUnscheduleFromRunLoop(host_ref, run_loop, kCFRunLoopDefaultMode);
CFHostSetClient(host_ref, nullptr, nullptr);
if (timed_out || !context.completed) {
CFHostCancelInfoResolution(host_ref, kCFHostAddresses);
CFRelease(host_ref);
return EAI_AGAIN;
}
if (!context.success || !context.addresses) {
CFRelease(host_ref);
return EAI_NODATA;
}
CFIndex count = CFArrayGetCount(context.addresses);
if (count == 0) {
CFRelease(context.addresses);
CFRelease(host_ref);
return EAI_NODATA;
}
struct addrinfo *result_addrinfo = nullptr;
struct addrinfo **current = &result_addrinfo;
for (CFIndex i = 0; i < count; i++) {
CFDataRef addr_data =
static_cast<CFDataRef>(CFArrayGetValueAtIndex(context.addresses, i));
if (!addr_data) continue;
const struct sockaddr *sockaddr_ptr =
reinterpret_cast<const struct sockaddr *>(CFDataGetBytePtr(addr_data));
socklen_t sockaddr_len = static_cast<socklen_t>(CFDataGetLength(addr_data));
*current = static_cast<struct addrinfo *>(malloc(sizeof(struct addrinfo)));
if (!*current) {
freeaddrinfo(result_addrinfo);
CFRelease(context.addresses);
CFRelease(host_ref);
return EAI_MEMORY;
}
memset(*current, 0, sizeof(struct addrinfo));
(*current)->ai_family = sockaddr_ptr->sa_family;
(*current)->ai_socktype = hints ? hints->ai_socktype : SOCK_STREAM;
(*current)->ai_protocol = hints ? hints->ai_protocol : IPPROTO_TCP;
(*current)->ai_addrlen = sockaddr_len;
(*current)->ai_addr = static_cast<struct sockaddr *>(malloc(sockaddr_len));
if (!(*current)->ai_addr) {
freeaddrinfo(result_addrinfo);
CFRelease(context.addresses);
CFRelease(host_ref);
return EAI_MEMORY;
}
memcpy((*current)->ai_addr, sockaddr_ptr, sockaddr_len);
if (service && strlen(service) > 0) {
int port = atoi(service);
if (port > 0) {
if (sockaddr_ptr->sa_family == AF_INET) {
reinterpret_cast<struct sockaddr_in *>((*current)->ai_addr)
->sin_port = htons(static_cast<uint16_t>(port));
} else if (sockaddr_ptr->sa_family == AF_INET6) {
reinterpret_cast<struct sockaddr_in6 *>((*current)->ai_addr)
->sin6_port = htons(static_cast<uint16_t>(port));
}
}
}
current = &((*current)->ai_next);
}
CFRelease(context.addresses);
CFRelease(host_ref);
*res = result_addrinfo;
return 0;
#elif defined(_GNU_SOURCE) && defined(__GLIBC__) && \
(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2))
struct gaicb request;
struct gaicb *requests[1] = {&request};
struct sigevent sevp;
struct timespec timeout;
memset(&request, 0, sizeof(request));
request.ar_name = node;
request.ar_service = service;
request.ar_request = hints;
timeout.tv_sec = timeout_sec;
timeout.tv_nsec = 0;
memset(&sevp, 0, sizeof(sevp));
sevp.sigev_notify = SIGEV_NONE;
int start_result = getaddrinfo_a(GAI_NOWAIT, requests, 1, &sevp);
if (start_result != 0) { return start_result; }
int wait_result =
gai_suspend((const struct gaicb *const *)requests, 1, &timeout);
if (wait_result == 0 || wait_result == EAI_ALLDONE) {
int gai_result = gai_error(&request);
if (gai_result == 0) {
*res = request.ar_result;
return 0;
} else {
if (request.ar_result) { freeaddrinfo(request.ar_result); }
return gai_result;
}
} else if (wait_result == EAI_AGAIN) {
gai_cancel(&request);
return EAI_AGAIN;
} else {
gai_cancel(&request);
return wait_result;
}
#else
struct GetAddrInfoState {
~GetAddrInfoState() {
if (info) { freeaddrinfo(info); }
}
std::mutex mutex;
std::condition_variable result_cv;
bool completed = false;
int result = EAI_SYSTEM;
std::string node;
std::string service;
struct addrinfo hints;
struct addrinfo *info = nullptr;
};
auto state = std::make_shared<GetAddrInfoState>();
state->node = node;
state->service = service;
state->hints = *hints;
std::thread resolve_thread([state]() {
auto thread_result =
getaddrinfo(state->node.c_str(), state->service.c_str(), &state->hints,
&state->info);
std::lock_guard<std::mutex> lock(state->mutex);
state->result = thread_result;
state->completed = true;
state->result_cv.notify_one();
});
std::unique_lock<std::mutex> lock(state->mutex);
auto finished =
state->result_cv.wait_for(lock, std::chrono::seconds(timeout_sec),
[&] { return state->completed; });
if (finished) {
resolve_thread.join();
*res = state->info;
state->info = nullptr; return state->result;
} else {
resolve_thread.detach(); return EAI_AGAIN; }
#endif
#else
(void)(timeout_sec); return getaddrinfo(node, service, hints, res);
#endif
}
template <typename BindOrConnect>
socket_t create_socket(const std::string &host, const std::string &ip, int port,
int address_family, int socket_flags, bool tcp_nodelay,
bool ipv6_v6only, SocketOptions socket_options,
BindOrConnect bind_or_connect, time_t timeout_sec = 0) {
const char *node = nullptr;
struct addrinfo hints;
struct addrinfo *result;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_IP;
if (!ip.empty()) {
node = ip.c_str();
hints.ai_family = AF_UNSPEC;
hints.ai_flags = AI_NUMERICHOST;
} else {
if (!host.empty()) { node = host.c_str(); }
hints.ai_family = address_family;
hints.ai_flags = socket_flags;
}
#if !defined(_WIN32) || defined(CPPHTTPLIB_HAVE_AFUNIX_H)
if (hints.ai_family == AF_UNIX) {
const auto addrlen = host.length();
if (addrlen > sizeof(sockaddr_un::sun_path)) { return INVALID_SOCKET; }
#ifdef SOCK_CLOEXEC
auto sock = socket(hints.ai_family, hints.ai_socktype | SOCK_CLOEXEC,
hints.ai_protocol);
#else
auto sock = socket(hints.ai_family, hints.ai_socktype, hints.ai_protocol);
#endif
if (sock != INVALID_SOCKET) {
sockaddr_un addr{};
addr.sun_family = AF_UNIX;
auto unescaped_host = unescape_abstract_namespace_unix_domain(host);
std::copy(unescaped_host.begin(), unescaped_host.end(), addr.sun_path);
hints.ai_addr = reinterpret_cast<sockaddr *>(&addr);
hints.ai_addrlen = static_cast<socklen_t>(
sizeof(addr) - sizeof(addr.sun_path) + addrlen);
#ifndef SOCK_CLOEXEC
#ifndef _WIN32
fcntl(sock, F_SETFD, FD_CLOEXEC);
#endif
#endif
if (socket_options) { socket_options(sock); }
#ifdef _WIN32
detail::set_socket_opt(sock, SOL_SOCKET, SO_REUSEADDR, 0);
#endif
bool dummy;
if (!bind_or_connect(sock, hints, dummy)) {
close_socket(sock);
sock = INVALID_SOCKET;
}
}
return sock;
}
#endif
auto service = std::to_string(port);
if (getaddrinfo_with_timeout(node, service.c_str(), &hints, &result,
timeout_sec)) {
#if defined __linux__ && !defined __ANDROID__
res_init();
#endif
return INVALID_SOCKET;
}
auto se = detail::scope_exit([&] { freeaddrinfo(result); });
for (auto rp = result; rp; rp = rp->ai_next) {
#ifdef _WIN32
auto sock =
WSASocketW(rp->ai_family, rp->ai_socktype, rp->ai_protocol, nullptr, 0,
WSA_FLAG_NO_HANDLE_INHERIT | WSA_FLAG_OVERLAPPED);
if (sock == INVALID_SOCKET) {
sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
}
#else
#ifdef SOCK_CLOEXEC
auto sock =
socket(rp->ai_family, rp->ai_socktype | SOCK_CLOEXEC, rp->ai_protocol);
#else
auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
#endif
#endif
if (sock == INVALID_SOCKET) { continue; }
#if !defined _WIN32 && !defined SOCK_CLOEXEC
if (fcntl(sock, F_SETFD, FD_CLOEXEC) == -1) {
close_socket(sock);
continue;
}
#endif
if (tcp_nodelay) { set_socket_opt(sock, IPPROTO_TCP, TCP_NODELAY, 1); }
if (rp->ai_family == AF_INET6) {
set_socket_opt(sock, IPPROTO_IPV6, IPV6_V6ONLY, ipv6_v6only ? 1 : 0);
}
if (socket_options) { socket_options(sock); }
auto quit = false;
if (bind_or_connect(sock, *rp, quit)) { return sock; }
close_socket(sock);
if (quit) { break; }
}
return INVALID_SOCKET;
}
inline void set_nonblocking(socket_t sock, bool nonblocking) {
#ifdef _WIN32
auto flags = nonblocking ? 1UL : 0UL;
ioctlsocket(sock, FIONBIO, &flags);
#else
auto flags = fcntl(sock, F_GETFL, 0);
fcntl(sock, F_SETFL,
nonblocking ? (flags | O_NONBLOCK) : (flags & (~O_NONBLOCK)));
#endif
}
inline bool is_connection_error() {
#ifdef _WIN32
return WSAGetLastError() != WSAEWOULDBLOCK;
#else
return errno != EINPROGRESS;
#endif
}
inline bool bind_ip_address(socket_t sock, const std::string &host) {
struct addrinfo hints;
struct addrinfo *result;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = 0;
if (getaddrinfo_with_timeout(host.c_str(), "0", &hints, &result, 0)) {
return false;
}
auto se = detail::scope_exit([&] { freeaddrinfo(result); });
auto ret = false;
for (auto rp = result; rp; rp = rp->ai_next) {
const auto &ai = *rp;
if (!::bind(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen))) {
ret = true;
break;
}
}
return ret;
}
#if !defined _WIN32 && !defined ANDROID && !defined _AIX && !defined __MVS__
#define USE_IF2IP
#endif
#ifdef USE_IF2IP
inline std::string if2ip(int address_family, const std::string &ifn) {
struct ifaddrs *ifap;
getifaddrs(&ifap);
auto se = detail::scope_exit([&] { freeifaddrs(ifap); });
std::string addr_candidate;
for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr && ifn == ifa->ifa_name &&
(AF_UNSPEC == address_family ||
ifa->ifa_addr->sa_family == address_family)) {
if (ifa->ifa_addr->sa_family == AF_INET) {
auto sa = reinterpret_cast<struct sockaddr_in *>(ifa->ifa_addr);
char buf[INET_ADDRSTRLEN];
if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) {
return std::string(buf, INET_ADDRSTRLEN);
}
} else if (ifa->ifa_addr->sa_family == AF_INET6) {
auto sa = reinterpret_cast<struct sockaddr_in6 *>(ifa->ifa_addr);
if (!IN6_IS_ADDR_LINKLOCAL(&sa->sin6_addr)) {
char buf[INET6_ADDRSTRLEN] = {};
if (inet_ntop(AF_INET6, &sa->sin6_addr, buf, INET6_ADDRSTRLEN)) {
auto s6_addr_head = sa->sin6_addr.s6_addr[0];
if (s6_addr_head == 0xfc || s6_addr_head == 0xfd) {
addr_candidate = std::string(buf, INET6_ADDRSTRLEN);
} else {
return std::string(buf, INET6_ADDRSTRLEN);
}
}
}
}
}
}
return addr_candidate;
}
#endif
inline socket_t create_client_socket(
const std::string &host, const std::string &ip, int port,
int address_family, bool tcp_nodelay, bool ipv6_v6only,
SocketOptions socket_options, time_t connection_timeout_sec,
time_t connection_timeout_usec, time_t read_timeout_sec,
time_t read_timeout_usec, time_t write_timeout_sec,
time_t write_timeout_usec, const std::string &intf, Error &error) {
auto sock = create_socket(
host, ip, port, address_family, 0, tcp_nodelay, ipv6_v6only,
std::move(socket_options),
[&](socket_t sock2, struct addrinfo &ai, bool &quit) -> bool {
if (!intf.empty()) {
#ifdef USE_IF2IP
auto ip_from_if = if2ip(address_family, intf);
if (ip_from_if.empty()) { ip_from_if = intf; }
if (!bind_ip_address(sock2, ip_from_if)) {
error = Error::BindIPAddress;
return false;
}
#endif
}
set_nonblocking(sock2, true);
auto ret =
::connect(sock2, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen));
if (ret < 0) {
if (is_connection_error()) {
error = Error::Connection;
return false;
}
error = wait_until_socket_is_ready(sock2, connection_timeout_sec,
connection_timeout_usec);
if (error != Error::Success) {
if (error == Error::ConnectionTimeout) { quit = true; }
return false;
}
}
set_nonblocking(sock2, false);
set_socket_opt_time(sock2, SOL_SOCKET, SO_RCVTIMEO, read_timeout_sec,
read_timeout_usec);
set_socket_opt_time(sock2, SOL_SOCKET, SO_SNDTIMEO, write_timeout_sec,
write_timeout_usec);
error = Error::Success;
return true;
},
connection_timeout_sec);
if (sock != INVALID_SOCKET) {
error = Error::Success;
} else {
if (error == Error::Success) { error = Error::Connection; }
}
return sock;
}
inline bool get_ip_and_port(const struct sockaddr_storage &addr,
socklen_t addr_len, std::string &ip, int &port) {
if (addr.ss_family == AF_INET) {
port = ntohs(reinterpret_cast<const struct sockaddr_in *>(&addr)->sin_port);
} else if (addr.ss_family == AF_INET6) {
port =
ntohs(reinterpret_cast<const struct sockaddr_in6 *>(&addr)->sin6_port);
} else {
return false;
}
std::array<char, NI_MAXHOST> ipstr{};
if (getnameinfo(reinterpret_cast<const struct sockaddr *>(&addr), addr_len,
ipstr.data(), static_cast<socklen_t>(ipstr.size()), nullptr,
0, NI_NUMERICHOST)) {
return false;
}
ip = ipstr.data();
return true;
}
inline void get_local_ip_and_port(socket_t sock, std::string &ip, int &port) {
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
if (!getsockname(sock, reinterpret_cast<struct sockaddr *>(&addr),
&addr_len)) {
get_ip_and_port(addr, addr_len, ip, port);
}
}
inline void get_remote_ip_and_port(socket_t sock, std::string &ip, int &port) {
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
if (!getpeername(sock, reinterpret_cast<struct sockaddr *>(&addr),
&addr_len)) {
#ifndef _WIN32
if (addr.ss_family == AF_UNIX) {
#if defined(__linux__)
struct ucred ucred;
socklen_t len = sizeof(ucred);
if (getsockopt(sock, SOL_SOCKET, SO_PEERCRED, &ucred, &len) == 0) {
port = ucred.pid;
}
#elif defined(SOL_LOCAL) && defined(SO_PEERPID)
pid_t pid;
socklen_t len = sizeof(pid);
if (getsockopt(sock, SOL_LOCAL, SO_PEERPID, &pid, &len) == 0) {
port = pid;
}
#endif
return;
}
#endif
get_ip_and_port(addr, addr_len, ip, port);
}
}
inline constexpr unsigned int str2tag_core(const char *s, size_t l,
unsigned int h) {
return (l == 0)
? h
: str2tag_core(
s + 1, l - 1,
(((std::numeric_limits<unsigned int>::max)() >> 6) &
h * 33) ^
static_cast<unsigned char>(*s));
}
inline unsigned int str2tag(const std::string &s) {
return str2tag_core(s.data(), s.size(), 0);
}
namespace udl {
inline constexpr unsigned int operator""_t(const char *s, size_t l) {
return str2tag_core(s, l, 0);
}
}
inline std::string
find_content_type(const std::string &path,
const std::map<std::string, std::string> &user_data,
const std::string &default_content_type) {
auto ext = file_extension(path);
auto it = user_data.find(ext);
if (it != user_data.end()) { return it->second; }
using udl::operator""_t;
switch (str2tag(ext)) {
default: return default_content_type;
case "css"_t: return "text/css";
case "csv"_t: return "text/csv";
case "htm"_t:
case "html"_t: return "text/html";
case "js"_t:
case "mjs"_t: return "text/javascript";
case "txt"_t: return "text/plain";
case "vtt"_t: return "text/vtt";
case "apng"_t: return "image/apng";
case "avif"_t: return "image/avif";
case "bmp"_t: return "image/bmp";
case "gif"_t: return "image/gif";
case "png"_t: return "image/png";
case "svg"_t: return "image/svg+xml";
case "webp"_t: return "image/webp";
case "ico"_t: return "image/x-icon";
case "tif"_t: return "image/tiff";
case "tiff"_t: return "image/tiff";
case "jpg"_t:
case "jpeg"_t: return "image/jpeg";
case "mp4"_t: return "video/mp4";
case "mpeg"_t: return "video/mpeg";
case "webm"_t: return "video/webm";
case "mp3"_t: return "audio/mp3";
case "mpga"_t: return "audio/mpeg";
case "weba"_t: return "audio/webm";
case "wav"_t: return "audio/wave";
case "otf"_t: return "font/otf";
case "ttf"_t: return "font/ttf";
case "woff"_t: return "font/woff";
case "woff2"_t: return "font/woff2";
case "7z"_t: return "application/x-7z-compressed";
case "atom"_t: return "application/atom+xml";
case "pdf"_t: return "application/pdf";
case "json"_t: return "application/json";
case "rss"_t: return "application/rss+xml";
case "tar"_t: return "application/x-tar";
case "xht"_t:
case "xhtml"_t: return "application/xhtml+xml";
case "xslt"_t: return "application/xslt+xml";
case "xml"_t: return "application/xml";
case "gz"_t: return "application/gzip";
case "zip"_t: return "application/zip";
case "wasm"_t: return "application/wasm";
}
}
inline bool can_compress_content_type(const std::string &content_type) {
using udl::operator""_t;
auto tag = str2tag(content_type);
switch (tag) {
case "image/svg+xml"_t:
case "application/javascript"_t:
case "application/json"_t:
case "application/xml"_t:
case "application/protobuf"_t:
case "application/xhtml+xml"_t: return true;
case "text/event-stream"_t: return false;
default: return !content_type.rfind("text/", 0);
}
}
inline EncodingType encoding_type(const Request &req, const Response &res) {
auto ret =
detail::can_compress_content_type(res.get_header_value("Content-Type"));
if (!ret) { return EncodingType::None; }
const auto &s = req.get_header_value("Accept-Encoding");
(void)(s);
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
ret = s.find("br") != std::string::npos;
if (ret) { return EncodingType::Brotli; }
#endif
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
ret = s.find("gzip") != std::string::npos;
if (ret) { return EncodingType::Gzip; }
#endif
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
ret = s.find("zstd") != std::string::npos;
if (ret) { return EncodingType::Zstd; }
#endif
return EncodingType::None;
}
inline bool nocompressor::compress(const char *data, size_t data_length,
bool , Callback callback) {
if (!data_length) { return true; }
return callback(data, data_length);
}
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
inline gzip_compressor::gzip_compressor() {
std::memset(&strm_, 0, sizeof(strm_));
strm_.zalloc = Z_NULL;
strm_.zfree = Z_NULL;
strm_.opaque = Z_NULL;
is_valid_ = deflateInit2(&strm_, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8,
Z_DEFAULT_STRATEGY) == Z_OK;
}
inline gzip_compressor::~gzip_compressor() { deflateEnd(&strm_); }
inline bool gzip_compressor::compress(const char *data, size_t data_length,
bool last, Callback callback) {
assert(is_valid_);
do {
constexpr size_t max_avail_in =
(std::numeric_limits<decltype(strm_.avail_in)>::max)();
strm_.avail_in = static_cast<decltype(strm_.avail_in)>(
(std::min)(data_length, max_avail_in));
strm_.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data));
data_length -= strm_.avail_in;
data += strm_.avail_in;
auto flush = (last && data_length == 0) ? Z_FINISH : Z_NO_FLUSH;
auto ret = Z_OK;
std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
do {
strm_.avail_out = static_cast<uInt>(buff.size());
strm_.next_out = reinterpret_cast<Bytef *>(buff.data());
ret = deflate(&strm_, flush);
if (ret == Z_STREAM_ERROR) { return false; }
if (!callback(buff.data(), buff.size() - strm_.avail_out)) {
return false;
}
} while (strm_.avail_out == 0);
assert((flush == Z_FINISH && ret == Z_STREAM_END) ||
(flush == Z_NO_FLUSH && ret == Z_OK));
assert(strm_.avail_in == 0);
} while (data_length > 0);
return true;
}
inline gzip_decompressor::gzip_decompressor() {
std::memset(&strm_, 0, sizeof(strm_));
strm_.zalloc = Z_NULL;
strm_.zfree = Z_NULL;
strm_.opaque = Z_NULL;
is_valid_ = inflateInit2(&strm_, 32 + 15) == Z_OK;
}
inline gzip_decompressor::~gzip_decompressor() { inflateEnd(&strm_); }
inline bool gzip_decompressor::is_valid() const { return is_valid_; }
inline bool gzip_decompressor::decompress(const char *data, size_t data_length,
Callback callback) {
assert(is_valid_);
auto ret = Z_OK;
do {
constexpr size_t max_avail_in =
(std::numeric_limits<decltype(strm_.avail_in)>::max)();
strm_.avail_in = static_cast<decltype(strm_.avail_in)>(
(std::min)(data_length, max_avail_in));
strm_.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data));
data_length -= strm_.avail_in;
data += strm_.avail_in;
std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
while (strm_.avail_in > 0 && ret == Z_OK) {
strm_.avail_out = static_cast<uInt>(buff.size());
strm_.next_out = reinterpret_cast<Bytef *>(buff.data());
ret = inflate(&strm_, Z_NO_FLUSH);
assert(ret != Z_STREAM_ERROR);
switch (ret) {
case Z_NEED_DICT:
case Z_DATA_ERROR:
case Z_MEM_ERROR: inflateEnd(&strm_); return false;
}
if (!callback(buff.data(), buff.size() - strm_.avail_out)) {
return false;
}
}
if (ret != Z_OK && ret != Z_STREAM_END) { return false; }
} while (data_length > 0);
return true;
}
#endif
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
inline brotli_compressor::brotli_compressor() {
state_ = BrotliEncoderCreateInstance(nullptr, nullptr, nullptr);
}
inline brotli_compressor::~brotli_compressor() {
BrotliEncoderDestroyInstance(state_);
}
inline bool brotli_compressor::compress(const char *data, size_t data_length,
bool last, Callback callback) {
std::array<uint8_t, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
auto operation = last ? BROTLI_OPERATION_FINISH : BROTLI_OPERATION_PROCESS;
auto available_in = data_length;
auto next_in = reinterpret_cast<const uint8_t *>(data);
for (;;) {
if (last) {
if (BrotliEncoderIsFinished(state_)) { break; }
} else {
if (!available_in) { break; }
}
auto available_out = buff.size();
auto next_out = buff.data();
if (!BrotliEncoderCompressStream(state_, operation, &available_in, &next_in,
&available_out, &next_out, nullptr)) {
return false;
}
auto output_bytes = buff.size() - available_out;
if (output_bytes) {
callback(reinterpret_cast<const char *>(buff.data()), output_bytes);
}
}
return true;
}
inline brotli_decompressor::brotli_decompressor() {
decoder_s = BrotliDecoderCreateInstance(0, 0, 0);
decoder_r = decoder_s ? BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT
: BROTLI_DECODER_RESULT_ERROR;
}
inline brotli_decompressor::~brotli_decompressor() {
if (decoder_s) { BrotliDecoderDestroyInstance(decoder_s); }
}
inline bool brotli_decompressor::is_valid() const { return decoder_s; }
inline bool brotli_decompressor::decompress(const char *data,
size_t data_length,
Callback callback) {
if (decoder_r == BROTLI_DECODER_RESULT_SUCCESS ||
decoder_r == BROTLI_DECODER_RESULT_ERROR) {
return 0;
}
auto next_in = reinterpret_cast<const uint8_t *>(data);
size_t avail_in = data_length;
size_t total_out;
decoder_r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT;
std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
while (decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) {
char *next_out = buff.data();
size_t avail_out = buff.size();
decoder_r = BrotliDecoderDecompressStream(
decoder_s, &avail_in, &next_in, &avail_out,
reinterpret_cast<uint8_t **>(&next_out), &total_out);
if (decoder_r == BROTLI_DECODER_RESULT_ERROR) { return false; }
if (!callback(buff.data(), buff.size() - avail_out)) { return false; }
}
return decoder_r == BROTLI_DECODER_RESULT_SUCCESS ||
decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT;
}
#endif
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
inline zstd_compressor::zstd_compressor() {
ctx_ = ZSTD_createCCtx();
ZSTD_CCtx_setParameter(ctx_, ZSTD_c_compressionLevel, ZSTD_fast);
}
inline zstd_compressor::~zstd_compressor() { ZSTD_freeCCtx(ctx_); }
inline bool zstd_compressor::compress(const char *data, size_t data_length,
bool last, Callback callback) {
std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
ZSTD_EndDirective mode = last ? ZSTD_e_end : ZSTD_e_continue;
ZSTD_inBuffer input = {data, data_length, 0};
bool finished;
do {
ZSTD_outBuffer output = {buff.data(), CPPHTTPLIB_COMPRESSION_BUFSIZ, 0};
size_t const remaining = ZSTD_compressStream2(ctx_, &output, &input, mode);
if (ZSTD_isError(remaining)) { return false; }
if (!callback(buff.data(), output.pos)) { return false; }
finished = last ? (remaining == 0) : (input.pos == input.size);
} while (!finished);
return true;
}
inline zstd_decompressor::zstd_decompressor() { ctx_ = ZSTD_createDCtx(); }
inline zstd_decompressor::~zstd_decompressor() { ZSTD_freeDCtx(ctx_); }
inline bool zstd_decompressor::is_valid() const { return ctx_ != nullptr; }
inline bool zstd_decompressor::decompress(const char *data, size_t data_length,
Callback callback) {
std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{};
ZSTD_inBuffer input = {data, data_length, 0};
while (input.pos < input.size) {
ZSTD_outBuffer output = {buff.data(), CPPHTTPLIB_COMPRESSION_BUFSIZ, 0};
size_t const remaining = ZSTD_decompressStream(ctx_, &output, &input);
if (ZSTD_isError(remaining)) { return false; }
if (!callback(buff.data(), output.pos)) { return false; }
}
return true;
}
#endif
inline std::unique_ptr<decompressor>
create_decompressor(const std::string &encoding) {
std::unique_ptr<decompressor> decompressor;
if (encoding == "gzip" || encoding == "deflate") {
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
decompressor = detail::make_unique<gzip_decompressor>();
#endif
} else if (encoding.find("br") != std::string::npos) {
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
decompressor = detail::make_unique<brotli_decompressor>();
#endif
} else if (encoding == "zstd" || encoding.find("zstd") != std::string::npos) {
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
decompressor = detail::make_unique<zstd_decompressor>();
#endif
}
return decompressor;
}
inline bool is_prohibited_header_name(const std::string &name) {
using udl::operator""_t;
switch (str2tag(name)) {
case "REMOTE_ADDR"_t:
case "REMOTE_PORT"_t:
case "LOCAL_ADDR"_t:
case "LOCAL_PORT"_t: return true;
default: return false;
}
}
inline bool has_header(const Headers &headers, const std::string &key) {
if (is_prohibited_header_name(key)) { return false; }
return headers.find(key) != headers.end();
}
inline const char *get_header_value(const Headers &headers,
const std::string &key, const char *def,
size_t id) {
if (is_prohibited_header_name(key)) {
#ifndef CPPHTTPLIB_NO_EXCEPTIONS
std::string msg = "Prohibited header name '" + key + "' is specified.";
throw std::invalid_argument(msg);
#else
return "";
#endif
}
auto rng = headers.equal_range(key);
auto it = rng.first;
std::advance(it, static_cast<ssize_t>(id));
if (it != rng.second) { return it->second.c_str(); }
return def;
}
inline bool read_headers(Stream &strm, Headers &headers) {
const auto bufsiz = 2048;
char buf[bufsiz];
stream_line_reader line_reader(strm, buf, bufsiz);
size_t header_count = 0;
for (;;) {
if (!line_reader.getline()) { return false; }
auto line_terminator_len = 2;
if (line_reader.end_with_crlf()) {
if (line_reader.size() == 2) { break; }
} else {
#ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR
if (line_reader.size() == 1) { break; }
line_terminator_len = 1;
#else
continue; #endif
}
if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; }
if (header_count >= CPPHTTPLIB_HEADER_MAX_COUNT) { return false; }
auto end = line_reader.ptr() + line_reader.size() - line_terminator_len;
if (!parse_header(line_reader.ptr(), end,
[&](const std::string &key, const std::string &val) {
headers.emplace(key, val);
})) {
return false;
}
header_count++;
}
return true;
}
inline bool read_content_with_length(Stream &strm, size_t len,
DownloadProgress progress,
ContentReceiverWithProgress out) {
char buf[CPPHTTPLIB_RECV_BUFSIZ];
detail::BodyReader br;
br.stream = &strm;
br.content_length = len;
br.chunked = false;
br.bytes_read = 0;
br.last_error = Error::Success;
size_t r = 0;
while (r < len) {
auto read_len = static_cast<size_t>(len - r);
auto to_read = (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ);
auto n = detail::read_body_content(&strm, br, buf, to_read);
if (n <= 0) { return false; }
if (!out(buf, static_cast<size_t>(n), r, len)) { return false; }
r += static_cast<size_t>(n);
if (progress) {
if (!progress(r, len)) { return false; }
}
}
return true;
}
inline void skip_content_with_length(Stream &strm, size_t len) {
char buf[CPPHTTPLIB_RECV_BUFSIZ];
size_t r = 0;
while (r < len) {
auto read_len = static_cast<size_t>(len - r);
auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ));
if (n <= 0) { return; }
r += static_cast<size_t>(n);
}
}
enum class ReadContentResult {
Success, PayloadTooLarge, Error };
inline ReadContentResult
read_content_without_length(Stream &strm, size_t payload_max_length,
ContentReceiverWithProgress out) {
char buf[CPPHTTPLIB_RECV_BUFSIZ];
size_t r = 0;
for (;;) {
auto n = strm.read(buf, CPPHTTPLIB_RECV_BUFSIZ);
if (n == 0) { return ReadContentResult::Success; }
if (n < 0) { return ReadContentResult::Error; }
if (r > payload_max_length ||
payload_max_length - r < static_cast<size_t>(n)) {
return ReadContentResult::PayloadTooLarge;
}
if (!out(buf, static_cast<size_t>(n), r, 0)) {
return ReadContentResult::Error;
}
r += static_cast<size_t>(n);
}
return ReadContentResult::Success;
}
template <typename T>
inline ReadContentResult read_content_chunked(Stream &strm, T &x,
size_t payload_max_length,
ContentReceiverWithProgress out) {
detail::ChunkedDecoder dec(strm);
char buf[CPPHTTPLIB_RECV_BUFSIZ];
size_t total_len = 0;
for (;;) {
size_t chunk_offset = 0;
size_t chunk_total = 0;
auto n = dec.read_payload(buf, sizeof(buf), chunk_offset, chunk_total);
if (n < 0) { return ReadContentResult::Error; }
if (n == 0) {
if (!dec.parse_trailers_into(x.trailers, x.headers)) {
return ReadContentResult::Error;
}
return ReadContentResult::Success;
}
if (total_len > payload_max_length ||
payload_max_length - total_len < static_cast<size_t>(n)) {
return ReadContentResult::PayloadTooLarge;
}
if (!out(buf, static_cast<size_t>(n), chunk_offset, chunk_total)) {
return ReadContentResult::Error;
}
total_len += static_cast<size_t>(n);
}
}
inline bool is_chunked_transfer_encoding(const Headers &headers) {
return case_ignore::equal(
get_header_value(headers, "Transfer-Encoding", "", 0), "chunked");
}
template <typename T, typename U>
bool prepare_content_receiver(T &x, int &status,
ContentReceiverWithProgress receiver,
bool decompress, U callback) {
if (decompress) {
std::string encoding = x.get_header_value("Content-Encoding");
std::unique_ptr<decompressor> decompressor;
if (!encoding.empty()) {
decompressor = detail::create_decompressor(encoding);
if (!decompressor) {
status = StatusCode::UnsupportedMediaType_415;
return false;
}
}
if (decompressor) {
if (decompressor->is_valid()) {
ContentReceiverWithProgress out = [&](const char *buf, size_t n,
size_t off, size_t len) {
return decompressor->decompress(buf, n,
[&](const char *buf2, size_t n2) {
return receiver(buf2, n2, off, len);
});
};
return callback(std::move(out));
} else {
status = StatusCode::InternalServerError_500;
return false;
}
}
}
ContentReceiverWithProgress out = [&](const char *buf, size_t n, size_t off,
size_t len) {
return receiver(buf, n, off, len);
};
return callback(std::move(out));
}
template <typename T>
bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status,
DownloadProgress progress,
ContentReceiverWithProgress receiver, bool decompress) {
return prepare_content_receiver(
x, status, std::move(receiver), decompress,
[&](const ContentReceiverWithProgress &out) {
auto ret = true;
auto exceed_payload_max_length = false;
if (is_chunked_transfer_encoding(x.headers)) {
auto result = read_content_chunked(strm, x, payload_max_length, out);
if (result == ReadContentResult::Success) {
ret = true;
} else if (result == ReadContentResult::PayloadTooLarge) {
exceed_payload_max_length = true;
ret = false;
} else {
ret = false;
}
} else if (!has_header(x.headers, "Content-Length")) {
auto result =
read_content_without_length(strm, payload_max_length, out);
if (result == ReadContentResult::Success) {
ret = true;
} else if (result == ReadContentResult::PayloadTooLarge) {
exceed_payload_max_length = true;
ret = false;
} else {
ret = false;
}
} else {
auto is_invalid_value = false;
auto len = get_header_value_u64(x.headers, "Content-Length",
(std::numeric_limits<size_t>::max)(),
0, is_invalid_value);
if (is_invalid_value) {
ret = false;
} else if (len > payload_max_length) {
exceed_payload_max_length = true;
skip_content_with_length(strm, len);
ret = false;
} else if (len > 0) {
ret = read_content_with_length(strm, len, std::move(progress), out);
}
}
if (!ret) {
status = exceed_payload_max_length ? StatusCode::PayloadTooLarge_413
: StatusCode::BadRequest_400;
}
return ret;
});
}
inline ssize_t write_request_line(Stream &strm, const std::string &method,
const std::string &path) {
std::string s = method;
s += " ";
s += path;
s += " HTTP/1.1\r\n";
return strm.write(s.data(), s.size());
}
inline ssize_t write_response_line(Stream &strm, int status) {
std::string s = "HTTP/1.1 ";
s += std::to_string(status);
s += " ";
s += httplib::status_message(status);
s += "\r\n";
return strm.write(s.data(), s.size());
}
inline ssize_t write_headers(Stream &strm, const Headers &headers) {
ssize_t write_len = 0;
for (const auto &x : headers) {
std::string s;
s = x.first;
s += ": ";
s += x.second;
s += "\r\n";
auto len = strm.write(s.data(), s.size());
if (len < 0) { return len; }
write_len += len;
}
auto len = strm.write("\r\n");
if (len < 0) { return len; }
write_len += len;
return write_len;
}
inline bool write_data(Stream &strm, const char *d, size_t l) {
size_t offset = 0;
while (offset < l) {
auto length = strm.write(d + offset, l - offset);
if (length < 0) { return false; }
offset += static_cast<size_t>(length);
}
return true;
}
template <typename T>
inline bool write_content_with_progress(Stream &strm,
const ContentProvider &content_provider,
size_t offset, size_t length,
T is_shutting_down,
const UploadProgress &upload_progress,
Error &error) {
size_t end_offset = offset + length;
size_t start_offset = offset;
auto ok = true;
DataSink data_sink;
data_sink.write = [&](const char *d, size_t l) -> bool {
if (ok) {
if (write_data(strm, d, l)) {
offset += l;
if (upload_progress && length > 0) {
size_t current_written = offset - start_offset;
if (!upload_progress(current_written, length)) {
ok = false;
return false;
}
}
} else {
ok = false;
}
}
return ok;
};
data_sink.is_writable = [&]() -> bool { return strm.wait_writable(); };
while (offset < end_offset && !is_shutting_down()) {
if (!strm.wait_writable()) {
error = Error::Write;
return false;
} else if (!content_provider(offset, end_offset - offset, data_sink)) {
error = Error::Canceled;
return false;
} else if (!ok) {
error = Error::Write;
return false;
}
}
error = Error::Success;
return true;
}
template <typename T>
inline bool write_content(Stream &strm, const ContentProvider &content_provider,
size_t offset, size_t length, T is_shutting_down,
Error &error) {
return write_content_with_progress<T>(strm, content_provider, offset, length,
is_shutting_down, nullptr, error);
}
template <typename T>
inline bool write_content(Stream &strm, const ContentProvider &content_provider,
size_t offset, size_t length,
const T &is_shutting_down) {
auto error = Error::Success;
return write_content(strm, content_provider, offset, length, is_shutting_down,
error);
}
template <typename T>
inline bool
write_content_without_length(Stream &strm,
const ContentProvider &content_provider,
const T &is_shutting_down) {
size_t offset = 0;
auto data_available = true;
auto ok = true;
DataSink data_sink;
data_sink.write = [&](const char *d, size_t l) -> bool {
if (ok) {
offset += l;
if (!write_data(strm, d, l)) { ok = false; }
}
return ok;
};
data_sink.is_writable = [&]() -> bool { return strm.wait_writable(); };
data_sink.done = [&](void) { data_available = false; };
while (data_available && !is_shutting_down()) {
if (!strm.wait_writable()) {
return false;
} else if (!content_provider(offset, 0, data_sink)) {
return false;
} else if (!ok) {
return false;
}
}
return true;
}
template <typename T, typename U>
inline bool
write_content_chunked(Stream &strm, const ContentProvider &content_provider,
const T &is_shutting_down, U &compressor, Error &error) {
size_t offset = 0;
auto data_available = true;
auto ok = true;
DataSink data_sink;
data_sink.write = [&](const char *d, size_t l) -> bool {
if (ok) {
data_available = l > 0;
offset += l;
std::string payload;
if (compressor.compress(d, l, false,
[&](const char *data, size_t data_len) {
payload.append(data, data_len);
return true;
})) {
if (!payload.empty()) {
auto chunk =
from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n";
if (!write_data(strm, chunk.data(), chunk.size())) { ok = false; }
}
} else {
ok = false;
}
}
return ok;
};
data_sink.is_writable = [&]() -> bool { return strm.wait_writable(); };
auto done_with_trailer = [&](const Headers *trailer) {
if (!ok) { return; }
data_available = false;
std::string payload;
if (!compressor.compress(nullptr, 0, true,
[&](const char *data, size_t data_len) {
payload.append(data, data_len);
return true;
})) {
ok = false;
return;
}
if (!payload.empty()) {
auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n";
if (!write_data(strm, chunk.data(), chunk.size())) {
ok = false;
return;
}
}
constexpr const char done_marker[] = "0\r\n";
if (!write_data(strm, done_marker, str_len(done_marker))) { ok = false; }
if (trailer) {
for (const auto &kv : *trailer) {
std::string field_line = kv.first + ": " + kv.second + "\r\n";
if (!write_data(strm, field_line.data(), field_line.size())) {
ok = false;
}
}
}
constexpr const char crlf[] = "\r\n";
if (!write_data(strm, crlf, str_len(crlf))) { ok = false; }
};
data_sink.done = [&](void) { done_with_trailer(nullptr); };
data_sink.done_with_trailer = [&](const Headers &trailer) {
done_with_trailer(&trailer);
};
while (data_available && !is_shutting_down()) {
if (!strm.wait_writable()) {
error = Error::Write;
return false;
} else if (!content_provider(offset, 0, data_sink)) {
error = Error::Canceled;
return false;
} else if (!ok) {
error = Error::Write;
return false;
}
}
error = Error::Success;
return true;
}
template <typename T, typename U>
inline bool write_content_chunked(Stream &strm,
const ContentProvider &content_provider,
const T &is_shutting_down, U &compressor) {
auto error = Error::Success;
return write_content_chunked(strm, content_provider, is_shutting_down,
compressor, error);
}
template <typename T>
inline bool redirect(T &cli, Request &req, Response &res,
const std::string &path, const std::string &location,
Error &error) {
Request new_req = req;
new_req.path = path;
new_req.redirect_count_ -= 1;
if (res.status == StatusCode::SeeOther_303 &&
(req.method != "GET" && req.method != "HEAD")) {
new_req.method = "GET";
new_req.body.clear();
new_req.headers.clear();
}
Response new_res;
auto ret = cli.send(new_req, new_res, error);
if (ret) {
req = new_req;
res = new_res;
if (res.location.empty()) { res.location = location; }
}
return ret;
}
inline std::string params_to_query_str(const Params ¶ms) {
std::string query;
for (auto it = params.begin(); it != params.end(); ++it) {
if (it != params.begin()) { query += "&"; }
query += encode_query_component(it->first);
query += "=";
query += encode_query_component(it->second);
}
return query;
}
inline void parse_query_text(const char *data, std::size_t size,
Params ¶ms) {
std::set<std::string> cache;
split(data, data + size, '&', [&](const char *b, const char *e) {
std::string kv(b, e);
if (cache.find(kv) != cache.end()) { return; }
cache.insert(std::move(kv));
std::string key;
std::string val;
divide(b, static_cast<std::size_t>(e - b), '=',
[&](const char *lhs_data, std::size_t lhs_size, const char *rhs_data,
std::size_t rhs_size) {
key.assign(lhs_data, lhs_size);
val.assign(rhs_data, rhs_size);
});
if (!key.empty()) {
params.emplace(decode_query_component(key), decode_query_component(val));
}
});
}
inline void parse_query_text(const std::string &s, Params ¶ms) {
parse_query_text(s.data(), s.size(), params);
}
inline bool parse_multipart_boundary(const std::string &content_type,
std::string &boundary) {
auto boundary_keyword = "boundary=";
auto pos = content_type.find(boundary_keyword);
if (pos == std::string::npos) { return false; }
auto end = content_type.find(';', pos);
auto beg = pos + strlen(boundary_keyword);
boundary = trim_double_quotes_copy(content_type.substr(beg, end - beg));
return !boundary.empty();
}
inline void parse_disposition_params(const std::string &s, Params ¶ms) {
std::set<std::string> cache;
split(s.data(), s.data() + s.size(), ';', [&](const char *b, const char *e) {
std::string kv(b, e);
if (cache.find(kv) != cache.end()) { return; }
cache.insert(kv);
std::string key;
std::string val;
split(b, e, '=', [&](const char *b2, const char *e2) {
if (key.empty()) {
key.assign(b2, e2);
} else {
val.assign(b2, e2);
}
});
if (!key.empty()) {
params.emplace(trim_double_quotes_copy((key)),
trim_double_quotes_copy((val)));
}
});
}
#ifdef CPPHTTPLIB_NO_EXCEPTIONS
inline bool parse_range_header(const std::string &s, Ranges &ranges) {
#else
inline bool parse_range_header(const std::string &s, Ranges &ranges) try {
#endif
auto is_valid = [](const std::string &str) {
return std::all_of(str.cbegin(), str.cend(),
[](unsigned char c) { return std::isdigit(c); });
};
if (s.size() > 7 && s.compare(0, 6, "bytes=") == 0) {
const auto pos = static_cast<size_t>(6);
const auto len = static_cast<size_t>(s.size() - 6);
auto all_valid_ranges = true;
split(&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) {
if (!all_valid_ranges) { return; }
const auto it = std::find(b, e, '-');
if (it == e) {
all_valid_ranges = false;
return;
}
const auto lhs = std::string(b, it);
const auto rhs = std::string(it + 1, e);
if (!is_valid(lhs) || !is_valid(rhs)) {
all_valid_ranges = false;
return;
}
const auto first =
static_cast<ssize_t>(lhs.empty() ? -1 : std::stoll(lhs));
const auto last =
static_cast<ssize_t>(rhs.empty() ? -1 : std::stoll(rhs));
if ((first == -1 && last == -1) ||
(first != -1 && last != -1 && first > last)) {
all_valid_ranges = false;
return;
}
ranges.emplace_back(first, last);
});
return all_valid_ranges && !ranges.empty();
}
return false;
#ifdef CPPHTTPLIB_NO_EXCEPTIONS
}
#else
} catch (...) { return false; }
#endif
inline bool parse_accept_header(const std::string &s,
std::vector<std::string> &content_types) {
content_types.clear();
if (s.empty()) { return true; }
if (s.front() == ',' || s.back() == ',' ||
s.find(",,") != std::string::npos) {
return false;
}
struct AcceptEntry {
std::string media_type;
double quality;
int order; };
std::vector<AcceptEntry> entries;
int order = 0;
bool has_invalid_entry = false;
split(s.data(), s.data() + s.size(), ',', [&](const char *b, const char *e) {
std::string entry(b, e);
entry = trim_copy(entry);
if (entry.empty()) {
has_invalid_entry = true;
return;
}
AcceptEntry accept_entry;
accept_entry.quality = 1.0; accept_entry.order = order++;
auto q_pos = entry.find(";q=");
if (q_pos == std::string::npos) { q_pos = entry.find("; q="); }
if (q_pos != std::string::npos) {
accept_entry.media_type = trim_copy(entry.substr(0, q_pos));
auto q_start = entry.find('=', q_pos) + 1;
auto q_end = entry.find(';', q_start);
if (q_end == std::string::npos) { q_end = entry.length(); }
std::string quality_str =
trim_copy(entry.substr(q_start, q_end - q_start));
if (quality_str.empty()) {
has_invalid_entry = true;
return;
}
#ifdef CPPHTTPLIB_NO_EXCEPTIONS
{
std::istringstream iss(quality_str);
iss >> accept_entry.quality;
if (iss.fail() || !iss.eof()) {
has_invalid_entry = true;
return;
}
}
#else
try {
accept_entry.quality = std::stod(quality_str);
} catch (...) {
has_invalid_entry = true;
return;
}
#endif
if (accept_entry.quality < 0.0 || accept_entry.quality > 1.0) {
has_invalid_entry = true;
return;
}
} else {
accept_entry.media_type = entry;
}
auto param_pos = accept_entry.media_type.find(';');
if (param_pos != std::string::npos) {
accept_entry.media_type =
trim_copy(accept_entry.media_type.substr(0, param_pos));
}
if (accept_entry.media_type.empty()) {
has_invalid_entry = true;
return;
}
if (accept_entry.media_type != "*" &&
accept_entry.media_type.find('/') == std::string::npos) {
has_invalid_entry = true;
return;
}
entries.push_back(accept_entry);
});
if (has_invalid_entry) { return false; }
std::sort(entries.begin(), entries.end(),
[](const AcceptEntry &a, const AcceptEntry &b) {
if (a.quality != b.quality) {
return a.quality > b.quality; }
return a.order < b.order; });
content_types.reserve(entries.size());
for (const auto &entry : entries) {
content_types.push_back(entry.media_type);
}
return true;
}
class FormDataParser {
public:
FormDataParser() = default;
void set_boundary(std::string &&boundary) {
boundary_ = boundary;
dash_boundary_crlf_ = dash_ + boundary_ + crlf_;
crlf_dash_boundary_ = crlf_ + dash_ + boundary_;
}
bool is_valid() const { return is_valid_; }
bool parse(const char *buf, size_t n, const FormDataHeader &header_callback,
const ContentReceiver &content_callback) {
buf_append(buf, n);
while (buf_size() > 0) {
switch (state_) {
case 0: { auto pos = buf_find(dash_boundary_crlf_);
if (pos == buf_size()) { return true; }
buf_erase(pos + dash_boundary_crlf_.size());
state_ = 1;
break;
}
case 1: { clear_file_info();
state_ = 2;
break;
}
case 2: { auto pos = buf_find(crlf_);
if (pos > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; }
while (pos < buf_size()) {
if (pos == 0) {
if (!header_callback(file_)) {
is_valid_ = false;
return false;
}
buf_erase(crlf_.size());
state_ = 3;
break;
}
const auto header = buf_head(pos);
if (!parse_header(header.data(), header.data() + header.size(),
[&](const std::string &, const std::string &) {})) {
is_valid_ = false;
return false;
}
if (!parse_header(
header.data(), header.data() + header.size(),
[&](const std::string &key, const std::string &val) {
file_.headers.emplace(key, val);
})) {
is_valid_ = false;
return false;
}
constexpr const char header_content_type[] = "Content-Type:";
if (start_with_case_ignore(header, header_content_type)) {
file_.content_type =
trim_copy(header.substr(str_len(header_content_type)));
} else {
thread_local const std::regex re_content_disposition(
R"~(^Content-Disposition:\s*form-data;\s*(.*)$)~",
std::regex_constants::icase);
std::smatch m;
if (std::regex_match(header, m, re_content_disposition)) {
Params params;
parse_disposition_params(m[1], params);
auto it = params.find("name");
if (it != params.end()) {
file_.name = it->second;
} else {
is_valid_ = false;
return false;
}
it = params.find("filename");
if (it != params.end()) { file_.filename = it->second; }
it = params.find("filename*");
if (it != params.end()) {
thread_local const std::regex re_rfc5987_encoding(
R"~(^UTF-8''(.+?)$)~", std::regex_constants::icase);
std::smatch m2;
if (std::regex_match(it->second, m2, re_rfc5987_encoding)) {
file_.filename = decode_path_component(m2[1]); } else {
is_valid_ = false;
return false;
}
}
}
}
buf_erase(pos + crlf_.size());
pos = buf_find(crlf_);
}
if (state_ != 3) { return true; }
break;
}
case 3: { if (crlf_dash_boundary_.size() > buf_size()) { return true; }
auto pos = buf_find(crlf_dash_boundary_);
if (pos < buf_size()) {
if (!content_callback(buf_data(), pos)) {
is_valid_ = false;
return false;
}
buf_erase(pos + crlf_dash_boundary_.size());
state_ = 4;
} else {
auto len = buf_size() - crlf_dash_boundary_.size();
if (len > 0) {
if (!content_callback(buf_data(), len)) {
is_valid_ = false;
return false;
}
buf_erase(len);
}
return true;
}
break;
}
case 4: { if (crlf_.size() > buf_size()) { return true; }
if (buf_start_with(crlf_)) {
buf_erase(crlf_.size());
state_ = 1;
} else {
if (dash_.size() > buf_size()) { return true; }
if (buf_start_with(dash_)) {
buf_erase(dash_.size());
is_valid_ = true;
buf_erase(buf_size()); } else {
return true;
}
}
break;
}
}
}
return true;
}
private:
void clear_file_info() {
file_.name.clear();
file_.filename.clear();
file_.content_type.clear();
file_.headers.clear();
}
bool start_with_case_ignore(const std::string &a, const char *b) const {
const auto b_len = strlen(b);
if (a.size() < b_len) { return false; }
for (size_t i = 0; i < b_len; i++) {
if (case_ignore::to_lower(a[i]) != case_ignore::to_lower(b[i])) {
return false;
}
}
return true;
}
const std::string dash_ = "--";
const std::string crlf_ = "\r\n";
std::string boundary_;
std::string dash_boundary_crlf_;
std::string crlf_dash_boundary_;
size_t state_ = 0;
bool is_valid_ = false;
FormData file_;
bool start_with(const std::string &a, size_t spos, size_t epos,
const std::string &b) const {
if (epos - spos < b.size()) { return false; }
for (size_t i = 0; i < b.size(); i++) {
if (a[i + spos] != b[i]) { return false; }
}
return true;
}
size_t buf_size() const { return buf_epos_ - buf_spos_; }
const char *buf_data() const { return &buf_[buf_spos_]; }
std::string buf_head(size_t l) const { return buf_.substr(buf_spos_, l); }
bool buf_start_with(const std::string &s) const {
return start_with(buf_, buf_spos_, buf_epos_, s);
}
size_t buf_find(const std::string &s) const {
auto c = s.front();
size_t off = buf_spos_;
while (off < buf_epos_) {
auto pos = off;
while (true) {
if (pos == buf_epos_) { return buf_size(); }
if (buf_[pos] == c) { break; }
pos++;
}
auto remaining_size = buf_epos_ - pos;
if (s.size() > remaining_size) { return buf_size(); }
if (start_with(buf_, pos, buf_epos_, s)) { return pos - buf_spos_; }
off = pos + 1;
}
return buf_size();
}
void buf_append(const char *data, size_t n) {
auto remaining_size = buf_size();
if (remaining_size > 0 && buf_spos_ > 0) {
for (size_t i = 0; i < remaining_size; i++) {
buf_[i] = buf_[buf_spos_ + i];
}
}
buf_spos_ = 0;
buf_epos_ = remaining_size;
if (remaining_size + n > buf_.size()) { buf_.resize(remaining_size + n); }
for (size_t i = 0; i < n; i++) {
buf_[buf_epos_ + i] = data[i];
}
buf_epos_ += n;
}
void buf_erase(size_t size) { buf_spos_ += size; }
std::string buf_;
size_t buf_spos_ = 0;
size_t buf_epos_ = 0;
};
inline std::string random_string(size_t length) {
constexpr const char data[] =
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
thread_local auto engine([]() {
std::random_device seed_gen;
std::seed_seq seed_sequence{seed_gen(), seed_gen(), seed_gen(), seed_gen()};
return std::mt19937(seed_sequence);
}());
std::string result;
for (size_t i = 0; i < length; i++) {
result += data[engine() % (sizeof(data) - 1)];
}
return result;
}
inline std::string make_multipart_data_boundary() {
return "--cpp-httplib-multipart-data-" + detail::random_string(16);
}
inline bool is_multipart_boundary_chars_valid(const std::string &boundary) {
auto valid = true;
for (size_t i = 0; i < boundary.size(); i++) {
auto c = boundary[i];
if (!std::isalnum(c) && c != '-' && c != '_') {
valid = false;
break;
}
}
return valid;
}
template <typename T>
inline std::string
serialize_multipart_formdata_item_begin(const T &item,
const std::string &boundary) {
std::string body = "--" + boundary + "\r\n";
body += "Content-Disposition: form-data; name=\"" + item.name + "\"";
if (!item.filename.empty()) {
body += "; filename=\"" + item.filename + "\"";
}
body += "\r\n";
if (!item.content_type.empty()) {
body += "Content-Type: " + item.content_type + "\r\n";
}
body += "\r\n";
return body;
}
inline std::string serialize_multipart_formdata_item_end() { return "\r\n"; }
inline std::string
serialize_multipart_formdata_finish(const std::string &boundary) {
return "--" + boundary + "--\r\n";
}
inline std::string
serialize_multipart_formdata_get_content_type(const std::string &boundary) {
return "multipart/form-data; boundary=" + boundary;
}
inline std::string
serialize_multipart_formdata(const UploadFormDataItems &items,
const std::string &boundary, bool finish = true) {
std::string body;
for (const auto &item : items) {
body += serialize_multipart_formdata_item_begin(item, boundary);
body += item.content + serialize_multipart_formdata_item_end();
}
if (finish) { body += serialize_multipart_formdata_finish(boundary); }
return body;
}
inline void coalesce_ranges(Ranges &ranges, size_t content_length) {
if (ranges.size() <= 1) return;
std::sort(ranges.begin(), ranges.end(),
[](const Range &a, const Range &b) { return a.first < b.first; });
Ranges coalesced;
coalesced.reserve(ranges.size());
for (auto &r : ranges) {
auto first_pos = r.first;
auto last_pos = r.second;
if (first_pos == -1 && last_pos == -1) {
first_pos = 0;
last_pos = static_cast<ssize_t>(content_length);
}
if (first_pos == -1) {
first_pos = static_cast<ssize_t>(content_length) - last_pos;
last_pos = static_cast<ssize_t>(content_length) - 1;
}
if (last_pos == -1 || last_pos >= static_cast<ssize_t>(content_length)) {
last_pos = static_cast<ssize_t>(content_length) - 1;
}
if (!(0 <= first_pos && first_pos <= last_pos &&
last_pos < static_cast<ssize_t>(content_length))) {
continue;
}
if (!coalesced.empty()) {
auto &prev = coalesced.back();
if (first_pos <= prev.second + 1 &&
!(first_pos == prev.first && last_pos == prev.second)) {
prev.second = (std::max)(prev.second, last_pos);
continue;
}
}
coalesced.emplace_back(first_pos, last_pos);
}
ranges = std::move(coalesced);
}
inline bool range_error(Request &req, Response &res) {
if (!req.ranges.empty() && 200 <= res.status && res.status < 300) {
ssize_t content_len = static_cast<ssize_t>(
res.content_length_ ? res.content_length_ : res.body.size());
std::vector<std::pair<ssize_t, ssize_t>> processed_ranges;
size_t overwrapping_count = 0;
if (req.ranges.size() > CPPHTTPLIB_RANGE_MAX_COUNT) { return true; }
for (auto &r : req.ranges) {
auto &first_pos = r.first;
auto &last_pos = r.second;
if (first_pos == -1 && last_pos == -1) {
first_pos = 0;
last_pos = content_len;
}
if (first_pos == -1) {
first_pos = content_len - last_pos;
last_pos = content_len - 1;
}
if (last_pos == -1 || last_pos >= content_len) {
last_pos = content_len - 1;
}
if (!(0 <= first_pos && first_pos <= last_pos &&
last_pos <= content_len - 1)) {
return true;
}
for (const auto &processed_range : processed_ranges) {
if (!(last_pos < processed_range.first ||
first_pos > processed_range.second)) {
overwrapping_count++;
if (overwrapping_count > 2) { return true; }
break; }
}
processed_ranges.emplace_back(first_pos, last_pos);
}
coalesce_ranges(req.ranges, static_cast<size_t>(content_len));
}
return false;
}
inline std::pair<size_t, size_t>
get_range_offset_and_length(Range r, size_t content_length) {
assert(r.first != -1 && r.second != -1);
assert(0 <= r.first && r.first < static_cast<ssize_t>(content_length));
assert(r.first <= r.second &&
r.second < static_cast<ssize_t>(content_length));
(void)(content_length);
return std::make_pair(r.first, static_cast<size_t>(r.second - r.first) + 1);
}
inline std::string make_content_range_header_field(
const std::pair<size_t, size_t> &offset_and_length, size_t content_length) {
auto st = offset_and_length.first;
auto ed = st + offset_and_length.second - 1;
std::string field = "bytes ";
field += std::to_string(st);
field += "-";
field += std::to_string(ed);
field += "/";
field += std::to_string(content_length);
return field;
}
template <typename SToken, typename CToken, typename Content>
bool process_multipart_ranges_data(const Request &req,
const std::string &boundary,
const std::string &content_type,
size_t content_length, SToken stoken,
CToken ctoken, Content content) {
for (size_t i = 0; i < req.ranges.size(); i++) {
ctoken("--");
stoken(boundary);
ctoken("\r\n");
if (!content_type.empty()) {
ctoken("Content-Type: ");
stoken(content_type);
ctoken("\r\n");
}
auto offset_and_length =
get_range_offset_and_length(req.ranges[i], content_length);
ctoken("Content-Range: ");
stoken(make_content_range_header_field(offset_and_length, content_length));
ctoken("\r\n");
ctoken("\r\n");
if (!content(offset_and_length.first, offset_and_length.second)) {
return false;
}
ctoken("\r\n");
}
ctoken("--");
stoken(boundary);
ctoken("--");
return true;
}
inline void make_multipart_ranges_data(const Request &req, Response &res,
const std::string &boundary,
const std::string &content_type,
size_t content_length,
std::string &data) {
process_multipart_ranges_data(
req, boundary, content_type, content_length,
[&](const std::string &token) { data += token; },
[&](const std::string &token) { data += token; },
[&](size_t offset, size_t length) {
assert(offset + length <= content_length);
data += res.body.substr(offset, length);
return true;
});
}
inline size_t get_multipart_ranges_data_length(const Request &req,
const std::string &boundary,
const std::string &content_type,
size_t content_length) {
size_t data_length = 0;
process_multipart_ranges_data(
req, boundary, content_type, content_length,
[&](const std::string &token) { data_length += token.size(); },
[&](const std::string &token) { data_length += token.size(); },
[&](size_t , size_t length) {
data_length += length;
return true;
});
return data_length;
}
template <typename T>
inline bool
write_multipart_ranges_data(Stream &strm, const Request &req, Response &res,
const std::string &boundary,
const std::string &content_type,
size_t content_length, const T &is_shutting_down) {
return process_multipart_ranges_data(
req, boundary, content_type, content_length,
[&](const std::string &token) { strm.write(token); },
[&](const std::string &token) { strm.write(token); },
[&](size_t offset, size_t length) {
return write_content(strm, res.content_provider_, offset, length,
is_shutting_down);
});
}
inline bool expect_content(const Request &req) {
if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH" ||
req.method == "DELETE") {
return true;
}
if (req.has_header("Content-Length") &&
req.get_header_value_u64("Content-Length") > 0) {
return true;
}
if (is_chunked_transfer_encoding(req.headers)) { return true; }
return false;
}
inline bool has_crlf(const std::string &s) {
auto p = s.c_str();
while (*p) {
if (*p == '\r' || *p == '\n') { return true; }
p++;
}
return false;
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
inline std::string message_digest(const std::string &s, const EVP_MD *algo) {
auto context = std::unique_ptr<EVP_MD_CTX, decltype(&EVP_MD_CTX_free)>(
EVP_MD_CTX_new(), EVP_MD_CTX_free);
unsigned int hash_length = 0;
unsigned char hash[EVP_MAX_MD_SIZE];
EVP_DigestInit_ex(context.get(), algo, nullptr);
EVP_DigestUpdate(context.get(), s.c_str(), s.size());
EVP_DigestFinal_ex(context.get(), hash, &hash_length);
std::stringstream ss;
for (auto i = 0u; i < hash_length; ++i) {
ss << std::hex << std::setw(2) << std::setfill('0')
<< static_cast<unsigned int>(hash[i]);
}
return ss.str();
}
inline std::string MD5(const std::string &s) {
return message_digest(s, EVP_md5());
}
inline std::string SHA_256(const std::string &s) {
return message_digest(s, EVP_sha256());
}
inline std::string SHA_512(const std::string &s) {
return message_digest(s, EVP_sha512());
}
inline std::pair<std::string, std::string> make_digest_authentication_header(
const Request &req, const std::map<std::string, std::string> &auth,
size_t cnonce_count, const std::string &cnonce, const std::string &username,
const std::string &password, bool is_proxy = false) {
std::string nc;
{
std::stringstream ss;
ss << std::setfill('0') << std::setw(8) << std::hex << cnonce_count;
nc = ss.str();
}
std::string qop;
if (auth.find("qop") != auth.end()) {
qop = auth.at("qop");
if (qop.find("auth-int") != std::string::npos) {
qop = "auth-int";
} else if (qop.find("auth") != std::string::npos) {
qop = "auth";
} else {
qop.clear();
}
}
std::string algo = "MD5";
if (auth.find("algorithm") != auth.end()) { algo = auth.at("algorithm"); }
std::string response;
{
auto H = algo == "SHA-256" ? detail::SHA_256
: algo == "SHA-512" ? detail::SHA_512
: detail::MD5;
auto A1 = username + ":" + auth.at("realm") + ":" + password;
auto A2 = req.method + ":" + req.path;
if (qop == "auth-int") { A2 += ":" + H(req.body); }
if (qop.empty()) {
response = H(H(A1) + ":" + auth.at("nonce") + ":" + H(A2));
} else {
response = H(H(A1) + ":" + auth.at("nonce") + ":" + nc + ":" + cnonce +
":" + qop + ":" + H(A2));
}
}
auto opaque = (auth.find("opaque") != auth.end()) ? auth.at("opaque") : "";
auto field = "Digest username=\"" + username + "\", realm=\"" +
auth.at("realm") + "\", nonce=\"" + auth.at("nonce") +
"\", uri=\"" + req.path + "\", algorithm=" + algo +
(qop.empty() ? ", response=\""
: ", qop=" + qop + ", nc=" + nc + ", cnonce=\"" +
cnonce + "\", response=\"") +
response + "\"" +
(opaque.empty() ? "" : ", opaque=\"" + opaque + "\"");
auto key = is_proxy ? "Proxy-Authorization" : "Authorization";
return std::make_pair(key, field);
}
inline bool is_ssl_peer_could_be_closed(SSL *ssl, socket_t sock) {
detail::set_nonblocking(sock, true);
auto se = detail::scope_exit([&]() { detail::set_nonblocking(sock, false); });
char buf[1];
return !SSL_peek(ssl, buf, 1) &&
SSL_get_error(ssl, 0) == SSL_ERROR_ZERO_RETURN;
}
#ifdef _WIN32
inline bool load_system_certs_on_windows(X509_STORE *store) {
auto hStore = CertOpenSystemStoreW((HCRYPTPROV_LEGACY)NULL, L"ROOT");
if (!hStore) { return false; }
auto result = false;
PCCERT_CONTEXT pContext = NULL;
while ((pContext = CertEnumCertificatesInStore(hStore, pContext)) !=
nullptr) {
auto encoded_cert =
static_cast<const unsigned char *>(pContext->pbCertEncoded);
auto x509 = d2i_X509(NULL, &encoded_cert, pContext->cbCertEncoded);
if (x509) {
X509_STORE_add_cert(store, x509);
X509_free(x509);
result = true;
}
}
CertFreeCertificateContext(pContext);
CertCloseStore(hStore, 0);
return result;
}
#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && TARGET_OS_MAC
template <typename T>
using CFObjectPtr =
std::unique_ptr<typename std::remove_pointer<T>::type, void (*)(CFTypeRef)>;
inline void cf_object_ptr_deleter(CFTypeRef obj) {
if (obj) { CFRelease(obj); }
}
inline bool retrieve_certs_from_keychain(CFObjectPtr<CFArrayRef> &certs) {
CFStringRef keys[] = {kSecClass, kSecMatchLimit, kSecReturnRef};
CFTypeRef values[] = {kSecClassCertificate, kSecMatchLimitAll,
kCFBooleanTrue};
CFObjectPtr<CFDictionaryRef> query(
CFDictionaryCreate(nullptr, reinterpret_cast<const void **>(keys), values,
sizeof(keys) / sizeof(keys[0]),
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks),
cf_object_ptr_deleter);
if (!query) { return false; }
CFTypeRef security_items = nullptr;
if (SecItemCopyMatching(query.get(), &security_items) != errSecSuccess ||
CFArrayGetTypeID() != CFGetTypeID(security_items)) {
return false;
}
certs.reset(reinterpret_cast<CFArrayRef>(security_items));
return true;
}
inline bool retrieve_root_certs_from_keychain(CFObjectPtr<CFArrayRef> &certs) {
CFArrayRef root_security_items = nullptr;
if (SecTrustCopyAnchorCertificates(&root_security_items) != errSecSuccess) {
return false;
}
certs.reset(root_security_items);
return true;
}
inline bool add_certs_to_x509_store(CFArrayRef certs, X509_STORE *store) {
auto result = false;
for (auto i = 0; i < CFArrayGetCount(certs); ++i) {
const auto cert = reinterpret_cast<const __SecCertificate *>(
CFArrayGetValueAtIndex(certs, i));
if (SecCertificateGetTypeID() != CFGetTypeID(cert)) { continue; }
CFDataRef cert_data = nullptr;
if (SecItemExport(cert, kSecFormatX509Cert, 0, nullptr, &cert_data) !=
errSecSuccess) {
continue;
}
CFObjectPtr<CFDataRef> cert_data_ptr(cert_data, cf_object_ptr_deleter);
auto encoded_cert = static_cast<const unsigned char *>(
CFDataGetBytePtr(cert_data_ptr.get()));
auto x509 =
d2i_X509(NULL, &encoded_cert, CFDataGetLength(cert_data_ptr.get()));
if (x509) {
X509_STORE_add_cert(store, x509);
X509_free(x509);
result = true;
}
}
return result;
}
inline bool load_system_certs_on_macos(X509_STORE *store) {
auto result = false;
CFObjectPtr<CFArrayRef> certs(nullptr, cf_object_ptr_deleter);
if (retrieve_certs_from_keychain(certs) && certs) {
result = add_certs_to_x509_store(certs.get(), store);
}
if (retrieve_root_certs_from_keychain(certs) && certs) {
result = add_certs_to_x509_store(certs.get(), store) || result;
}
return result;
}
#endif #endif
#ifdef _WIN32
class WSInit {
public:
WSInit() {
WSADATA wsaData;
if (WSAStartup(0x0002, &wsaData) == 0) is_valid_ = true;
}
~WSInit() {
if (is_valid_) WSACleanup();
}
bool is_valid_ = false;
};
static WSInit wsinit_;
#endif
inline bool parse_www_authenticate(const Response &res,
std::map<std::string, std::string> &auth,
bool is_proxy) {
auto auth_key = is_proxy ? "Proxy-Authenticate" : "WWW-Authenticate";
if (res.has_header(auth_key)) {
thread_local auto re =
std::regex(R"~((?:(?:,\s*)?(.+?)=(?:"(.*?)"|([^,]*))))~");
auto s = res.get_header_value(auth_key);
auto pos = s.find(' ');
if (pos != std::string::npos) {
auto type = s.substr(0, pos);
if (type == "Basic") {
return false;
} else if (type == "Digest") {
s = s.substr(pos + 1);
auto beg = std::sregex_iterator(s.begin(), s.end(), re);
for (auto i = beg; i != std::sregex_iterator(); ++i) {
const auto &m = *i;
auto key = s.substr(static_cast<size_t>(m.position(1)),
static_cast<size_t>(m.length(1)));
auto val = m.length(2) > 0
? s.substr(static_cast<size_t>(m.position(2)),
static_cast<size_t>(m.length(2)))
: s.substr(static_cast<size_t>(m.position(3)),
static_cast<size_t>(m.length(3)));
auth[key] = val;
}
return true;
}
}
}
return false;
}
class ContentProviderAdapter {
public:
explicit ContentProviderAdapter(
ContentProviderWithoutLength &&content_provider)
: content_provider_(content_provider) {}
bool operator()(size_t offset, size_t, DataSink &sink) {
return content_provider_(offset, sink);
}
private:
ContentProviderWithoutLength content_provider_;
};
}
inline std::string hosted_at(const std::string &hostname) {
std::vector<std::string> addrs;
hosted_at(hostname, addrs);
if (addrs.empty()) { return std::string(); }
return addrs[0];
}
inline void hosted_at(const std::string &hostname,
std::vector<std::string> &addrs) {
struct addrinfo hints;
struct addrinfo *result;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = 0;
if (detail::getaddrinfo_with_timeout(hostname.c_str(), nullptr, &hints,
&result, 0)) {
#if defined __linux__ && !defined __ANDROID__
res_init();
#endif
return;
}
auto se = detail::scope_exit([&] { freeaddrinfo(result); });
for (auto rp = result; rp; rp = rp->ai_next) {
const auto &addr =
*reinterpret_cast<struct sockaddr_storage *>(rp->ai_addr);
std::string ip;
auto dummy = -1;
if (detail::get_ip_and_port(addr, sizeof(struct sockaddr_storage), ip,
dummy)) {
addrs.push_back(ip);
}
}
}
inline std::string encode_uri_component(const std::string &value) {
std::ostringstream escaped;
escaped.fill('0');
escaped << std::hex;
for (auto c : value) {
if (std::isalnum(static_cast<uint8_t>(c)) || c == '-' || c == '_' ||
c == '.' || c == '!' || c == '~' || c == '*' || c == '\'' || c == '(' ||
c == ')') {
escaped << c;
} else {
escaped << std::uppercase;
escaped << '%' << std::setw(2)
<< static_cast<int>(static_cast<unsigned char>(c));
escaped << std::nouppercase;
}
}
return escaped.str();
}
inline std::string encode_uri(const std::string &value) {
std::ostringstream escaped;
escaped.fill('0');
escaped << std::hex;
for (auto c : value) {
if (std::isalnum(static_cast<uint8_t>(c)) || c == '-' || c == '_' ||
c == '.' || c == '!' || c == '~' || c == '*' || c == '\'' || c == '(' ||
c == ')' || c == ';' || c == '/' || c == '?' || c == ':' || c == '@' ||
c == '&' || c == '=' || c == '+' || c == '$' || c == ',' || c == '#') {
escaped << c;
} else {
escaped << std::uppercase;
escaped << '%' << std::setw(2)
<< static_cast<int>(static_cast<unsigned char>(c));
escaped << std::nouppercase;
}
}
return escaped.str();
}
inline std::string decode_uri_component(const std::string &value) {
std::string result;
for (size_t i = 0; i < value.size(); i++) {
if (value[i] == '%' && i + 2 < value.size()) {
auto val = 0;
if (detail::from_hex_to_i(value, i + 1, 2, val)) {
result += static_cast<char>(val);
i += 2;
} else {
result += value[i];
}
} else {
result += value[i];
}
}
return result;
}
inline std::string decode_uri(const std::string &value) {
std::string result;
for (size_t i = 0; i < value.size(); i++) {
if (value[i] == '%' && i + 2 < value.size()) {
auto val = 0;
if (detail::from_hex_to_i(value, i + 1, 2, val)) {
result += static_cast<char>(val);
i += 2;
} else {
result += value[i];
}
} else {
result += value[i];
}
}
return result;
}
inline std::string encode_path_component(const std::string &component) {
std::string result;
result.reserve(component.size() * 3);
for (size_t i = 0; i < component.size(); i++) {
auto c = static_cast<unsigned char>(component[i]);
if (std::isalnum(c) || c == '-' || c == '.' || c == '_' || c == '~') {
result += static_cast<char>(c);
}
else if (c == '!' || c == '$' || c == '&' || c == '\'' || c == '(' ||
c == ')' || c == '*' || c == '+' || c == ',' || c == ';' ||
c == '=') {
result += static_cast<char>(c);
}
else if (c == ':') {
result += static_cast<char>(c);
}
else if (c == '@') {
result += static_cast<char>(c);
} else {
result += '%';
char hex[3];
snprintf(hex, sizeof(hex), "%02X", c);
result.append(hex, 2);
}
}
return result;
}
inline std::string decode_path_component(const std::string &component) {
std::string result;
result.reserve(component.size());
for (size_t i = 0; i < component.size(); i++) {
if (component[i] == '%' && i + 1 < component.size()) {
if (component[i + 1] == 'u') {
auto val = 0;
if (detail::from_hex_to_i(component, i + 2, 4, val)) {
char buff[4];
size_t len = detail::to_utf8(val, buff);
if (len > 0) { result.append(buff, len); }
i += 5; } else {
result += component[i];
}
} else {
auto val = 0;
if (detail::from_hex_to_i(component, i + 1, 2, val)) {
result += static_cast<char>(val);
i += 2; } else {
result += component[i];
}
}
} else {
result += component[i];
}
}
return result;
}
inline std::string encode_query_component(const std::string &component,
bool space_as_plus) {
std::string result;
result.reserve(component.size() * 3);
for (size_t i = 0; i < component.size(); i++) {
auto c = static_cast<unsigned char>(component[i]);
if (std::isalnum(c) || c == '-' || c == '.' || c == '_' || c == '~') {
result += static_cast<char>(c);
}
else if (c == ' ') {
if (space_as_plus) {
result += '+';
} else {
result += "%20";
}
}
else if (c == '+') {
if (space_as_plus) {
result += "%2B";
} else {
result += static_cast<char>(c);
}
}
else if (c == '!' || c == '$' || c == '\'' || c == '(' || c == ')' ||
c == '*' || c == ',' || c == ';') {
result += static_cast<char>(c);
}
else if (c == ':' || c == '@') {
result += static_cast<char>(c);
}
else if (c == '/') {
result += static_cast<char>(c);
}
else if (c == '?') {
result += static_cast<char>(c);
} else {
result += '%';
char hex[3];
snprintf(hex, sizeof(hex), "%02X", c);
result.append(hex, 2);
}
}
return result;
}
inline std::string decode_query_component(const std::string &component,
bool plus_as_space) {
std::string result;
result.reserve(component.size());
for (size_t i = 0; i < component.size(); i++) {
if (component[i] == '%' && i + 2 < component.size()) {
std::string hex = component.substr(i + 1, 2);
char *end;
unsigned long value = std::strtoul(hex.c_str(), &end, 16);
if (end == hex.c_str() + 2) {
result += static_cast<char>(value);
i += 2;
} else {
result += component[i];
}
} else if (component[i] == '+' && plus_as_space) {
result += ' '; } else {
result += component[i];
}
}
return result;
}
inline std::string append_query_params(const std::string &path,
const Params ¶ms) {
std::string path_with_query = path;
thread_local const std::regex re("[^?]+\\?.*");
auto delm = std::regex_match(path, re) ? '&' : '?';
path_with_query += delm + detail::params_to_query_str(params);
return path_with_query;
}
inline std::pair<std::string, std::string>
make_range_header(const Ranges &ranges) {
std::string field = "bytes=";
auto i = 0;
for (const auto &r : ranges) {
if (i != 0) { field += ", "; }
if (r.first != -1) { field += std::to_string(r.first); }
field += '-';
if (r.second != -1) { field += std::to_string(r.second); }
i++;
}
return std::make_pair("Range", std::move(field));
}
inline std::pair<std::string, std::string>
make_basic_authentication_header(const std::string &username,
const std::string &password, bool is_proxy) {
auto field = "Basic " + detail::base64_encode(username + ":" + password);
auto key = is_proxy ? "Proxy-Authorization" : "Authorization";
return std::make_pair(key, std::move(field));
}
inline std::pair<std::string, std::string>
make_bearer_token_authentication_header(const std::string &token,
bool is_proxy = false) {
auto field = "Bearer " + token;
auto key = is_proxy ? "Proxy-Authorization" : "Authorization";
return std::make_pair(key, std::move(field));
}
inline bool Request::has_header(const std::string &key) const {
return detail::has_header(headers, key);
}
inline std::string Request::get_header_value(const std::string &key,
const char *def, size_t id) const {
return detail::get_header_value(headers, key, def, id);
}
inline size_t Request::get_header_value_count(const std::string &key) const {
auto r = headers.equal_range(key);
return static_cast<size_t>(std::distance(r.first, r.second));
}
inline void Request::set_header(const std::string &key,
const std::string &val) {
if (detail::fields::is_field_name(key) &&
detail::fields::is_field_value(val)) {
headers.emplace(key, val);
}
}
inline bool Request::has_trailer(const std::string &key) const {
return trailers.find(key) != trailers.end();
}
inline std::string Request::get_trailer_value(const std::string &key,
size_t id) const {
auto rng = trailers.equal_range(key);
auto it = rng.first;
std::advance(it, static_cast<ssize_t>(id));
if (it != rng.second) { return it->second; }
return std::string();
}
inline size_t Request::get_trailer_value_count(const std::string &key) const {
auto r = trailers.equal_range(key);
return static_cast<size_t>(std::distance(r.first, r.second));
}
inline bool Request::has_param(const std::string &key) const {
return params.find(key) != params.end();
}
inline std::string Request::get_param_value(const std::string &key,
size_t id) const {
auto rng = params.equal_range(key);
auto it = rng.first;
std::advance(it, static_cast<ssize_t>(id));
if (it != rng.second) { return it->second; }
return std::string();
}
inline size_t Request::get_param_value_count(const std::string &key) const {
auto r = params.equal_range(key);
return static_cast<size_t>(std::distance(r.first, r.second));
}
inline bool Request::is_multipart_form_data() const {
const auto &content_type = get_header_value("Content-Type");
return !content_type.rfind("multipart/form-data", 0);
}
inline std::string MultipartFormData::get_field(const std::string &key,
size_t id) const {
auto rng = fields.equal_range(key);
auto it = rng.first;
std::advance(it, static_cast<ssize_t>(id));
if (it != rng.second) { return it->second.content; }
return std::string();
}
inline std::vector<std::string>
MultipartFormData::get_fields(const std::string &key) const {
std::vector<std::string> values;
auto rng = fields.equal_range(key);
for (auto it = rng.first; it != rng.second; it++) {
values.push_back(it->second.content);
}
return values;
}
inline bool MultipartFormData::has_field(const std::string &key) const {
return fields.find(key) != fields.end();
}
inline size_t MultipartFormData::get_field_count(const std::string &key) const {
auto r = fields.equal_range(key);
return static_cast<size_t>(std::distance(r.first, r.second));
}
inline FormData MultipartFormData::get_file(const std::string &key,
size_t id) const {
auto rng = files.equal_range(key);
auto it = rng.first;
std::advance(it, static_cast<ssize_t>(id));
if (it != rng.second) { return it->second; }
return FormData();
}
inline std::vector<FormData>
MultipartFormData::get_files(const std::string &key) const {
std::vector<FormData> values;
auto rng = files.equal_range(key);
for (auto it = rng.first; it != rng.second; it++) {
values.push_back(it->second);
}
return values;
}
inline bool MultipartFormData::has_file(const std::string &key) const {
return files.find(key) != files.end();
}
inline size_t MultipartFormData::get_file_count(const std::string &key) const {
auto r = files.equal_range(key);
return static_cast<size_t>(std::distance(r.first, r.second));
}
inline bool Response::has_header(const std::string &key) const {
return headers.find(key) != headers.end();
}
inline std::string Response::get_header_value(const std::string &key,
const char *def,
size_t id) const {
return detail::get_header_value(headers, key, def, id);
}
inline size_t Response::get_header_value_count(const std::string &key) const {
auto r = headers.equal_range(key);
return static_cast<size_t>(std::distance(r.first, r.second));
}
inline void Response::set_header(const std::string &key,
const std::string &val) {
if (detail::fields::is_field_name(key) &&
detail::fields::is_field_value(val)) {
headers.emplace(key, val);
}
}
inline bool Response::has_trailer(const std::string &key) const {
return trailers.find(key) != trailers.end();
}
inline std::string Response::get_trailer_value(const std::string &key,
size_t id) const {
auto rng = trailers.equal_range(key);
auto it = rng.first;
std::advance(it, static_cast<ssize_t>(id));
if (it != rng.second) { return it->second; }
return std::string();
}
inline size_t Response::get_trailer_value_count(const std::string &key) const {
auto r = trailers.equal_range(key);
return static_cast<size_t>(std::distance(r.first, r.second));
}
inline void Response::set_redirect(const std::string &url, int stat) {
if (detail::fields::is_field_value(url)) {
set_header("Location", url);
if (300 <= stat && stat < 400) {
this->status = stat;
} else {
this->status = StatusCode::Found_302;
}
}
}
inline void Response::set_content(const char *s, size_t n,
const std::string &content_type) {
body.assign(s, n);
auto rng = headers.equal_range("Content-Type");
headers.erase(rng.first, rng.second);
set_header("Content-Type", content_type);
}
inline void Response::set_content(const std::string &s,
const std::string &content_type) {
set_content(s.data(), s.size(), content_type);
}
inline void Response::set_content(std::string &&s,
const std::string &content_type) {
body = std::move(s);
auto rng = headers.equal_range("Content-Type");
headers.erase(rng.first, rng.second);
set_header("Content-Type", content_type);
}
inline void Response::set_content_provider(
size_t in_length, const std::string &content_type, ContentProvider provider,
ContentProviderResourceReleaser resource_releaser) {
set_header("Content-Type", content_type);
content_length_ = in_length;
if (in_length > 0) { content_provider_ = std::move(provider); }
content_provider_resource_releaser_ = std::move(resource_releaser);
is_chunked_content_provider_ = false;
}
inline void Response::set_content_provider(
const std::string &content_type, ContentProviderWithoutLength provider,
ContentProviderResourceReleaser resource_releaser) {
set_header("Content-Type", content_type);
content_length_ = 0;
content_provider_ = detail::ContentProviderAdapter(std::move(provider));
content_provider_resource_releaser_ = std::move(resource_releaser);
is_chunked_content_provider_ = false;
}
inline void Response::set_chunked_content_provider(
const std::string &content_type, ContentProviderWithoutLength provider,
ContentProviderResourceReleaser resource_releaser) {
set_header("Content-Type", content_type);
content_length_ = 0;
content_provider_ = detail::ContentProviderAdapter(std::move(provider));
content_provider_resource_releaser_ = std::move(resource_releaser);
is_chunked_content_provider_ = true;
}
inline void Response::set_file_content(const std::string &path,
const std::string &content_type) {
file_content_path_ = path;
file_content_content_type_ = content_type;
}
inline void Response::set_file_content(const std::string &path) {
file_content_path_ = path;
}
inline bool Result::has_request_header(const std::string &key) const {
return request_headers_.find(key) != request_headers_.end();
}
inline std::string Result::get_request_header_value(const std::string &key,
const char *def,
size_t id) const {
return detail::get_header_value(request_headers_, key, def, id);
}
inline size_t
Result::get_request_header_value_count(const std::string &key) const {
auto r = request_headers_.equal_range(key);
return static_cast<size_t>(std::distance(r.first, r.second));
}
inline ssize_t Stream::write(const char *ptr) {
return write(ptr, strlen(ptr));
}
inline ssize_t Stream::write(const std::string &s) {
return write(s.data(), s.size());
}
inline ssize_t detail::BodyReader::read(char *buf, size_t len) {
if (!stream) {
last_error = Error::Connection;
return -1;
}
if (eof) { return 0; }
if (!chunked) {
if (bytes_read >= content_length) {
eof = true;
return 0;
}
auto remaining = content_length - bytes_read;
auto to_read = (std::min)(len, remaining);
auto n = stream->read(buf, to_read);
if (n < 0) {
last_error = Error::Read;
eof = true;
return n;
}
if (n == 0) {
last_error = Error::Read;
eof = true;
return 0;
}
bytes_read += static_cast<size_t>(n);
if (bytes_read >= content_length) { eof = true; }
return n;
}
if (!chunked_decoder) { chunked_decoder.reset(new ChunkedDecoder(*stream)); }
size_t chunk_offset = 0;
size_t chunk_total = 0;
auto n = chunked_decoder->read_payload(buf, len, chunk_offset, chunk_total);
if (n < 0) {
last_error = Error::Read;
eof = true;
return n;
}
if (n == 0) {
eof = true;
return 0;
}
bytes_read += static_cast<size_t>(n);
return n;
}
namespace detail {
inline void calc_actual_timeout(time_t max_timeout_msec, time_t duration_msec,
time_t timeout_sec, time_t timeout_usec,
time_t &actual_timeout_sec,
time_t &actual_timeout_usec) {
auto timeout_msec = (timeout_sec * 1000) + (timeout_usec / 1000);
auto actual_timeout_msec =
(std::min)(max_timeout_msec - duration_msec, timeout_msec);
if (actual_timeout_msec < 0) { actual_timeout_msec = 0; }
actual_timeout_sec = actual_timeout_msec / 1000;
actual_timeout_usec = (actual_timeout_msec % 1000) * 1000;
}
inline SocketStream::SocketStream(
socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec,
time_t write_timeout_sec, time_t write_timeout_usec,
time_t max_timeout_msec,
std::chrono::time_point<std::chrono::steady_clock> start_time)
: sock_(sock), read_timeout_sec_(read_timeout_sec),
read_timeout_usec_(read_timeout_usec),
write_timeout_sec_(write_timeout_sec),
write_timeout_usec_(write_timeout_usec),
max_timeout_msec_(max_timeout_msec), start_time_(start_time),
read_buff_(read_buff_size_, 0) {}
inline SocketStream::~SocketStream() = default;
inline bool SocketStream::is_readable() const {
return read_buff_off_ < read_buff_content_size_;
}
inline bool SocketStream::wait_readable() const {
if (max_timeout_msec_ <= 0) {
return select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0;
}
time_t read_timeout_sec;
time_t read_timeout_usec;
calc_actual_timeout(max_timeout_msec_, duration(), read_timeout_sec_,
read_timeout_usec_, read_timeout_sec, read_timeout_usec);
return select_read(sock_, read_timeout_sec, read_timeout_usec) > 0;
}
inline bool SocketStream::wait_writable() const {
return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 &&
is_socket_alive(sock_);
}
inline ssize_t SocketStream::read(char *ptr, size_t size) {
#ifdef _WIN32
size =
(std::min)(size, static_cast<size_t>((std::numeric_limits<int>::max)()));
#else
size = (std::min)(size,
static_cast<size_t>((std::numeric_limits<ssize_t>::max)()));
#endif
if (read_buff_off_ < read_buff_content_size_) {
auto remaining_size = read_buff_content_size_ - read_buff_off_;
if (size <= remaining_size) {
memcpy(ptr, read_buff_.data() + read_buff_off_, size);
read_buff_off_ += size;
return static_cast<ssize_t>(size);
} else {
memcpy(ptr, read_buff_.data() + read_buff_off_, remaining_size);
read_buff_off_ += remaining_size;
return static_cast<ssize_t>(remaining_size);
}
}
if (!wait_readable()) { return -1; }
read_buff_off_ = 0;
read_buff_content_size_ = 0;
if (size < read_buff_size_) {
auto n = read_socket(sock_, read_buff_.data(), read_buff_size_,
CPPHTTPLIB_RECV_FLAGS);
if (n <= 0) {
return n;
} else if (n <= static_cast<ssize_t>(size)) {
memcpy(ptr, read_buff_.data(), static_cast<size_t>(n));
return n;
} else {
memcpy(ptr, read_buff_.data(), size);
read_buff_off_ = size;
read_buff_content_size_ = static_cast<size_t>(n);
return static_cast<ssize_t>(size);
}
} else {
return read_socket(sock_, ptr, size, CPPHTTPLIB_RECV_FLAGS);
}
}
inline ssize_t SocketStream::write(const char *ptr, size_t size) {
if (!wait_writable()) { return -1; }
#if defined(_WIN32) && !defined(_WIN64)
size =
(std::min)(size, static_cast<size_t>((std::numeric_limits<int>::max)()));
#endif
return send_socket(sock_, ptr, size, CPPHTTPLIB_SEND_FLAGS);
}
inline void SocketStream::get_remote_ip_and_port(std::string &ip,
int &port) const {
return detail::get_remote_ip_and_port(sock_, ip, port);
}
inline void SocketStream::get_local_ip_and_port(std::string &ip,
int &port) const {
return detail::get_local_ip_and_port(sock_, ip, port);
}
inline socket_t SocketStream::socket() const { return sock_; }
inline time_t SocketStream::duration() const {
return std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - start_time_)
.count();
}
inline bool BufferStream::is_readable() const { return true; }
inline bool BufferStream::wait_readable() const { return true; }
inline bool BufferStream::wait_writable() const { return true; }
inline ssize_t BufferStream::read(char *ptr, size_t size) {
#if defined(_MSC_VER) && _MSC_VER < 1910
auto len_read = buffer._Copy_s(ptr, size, size, position);
#else
auto len_read = buffer.copy(ptr, size, position);
#endif
position += static_cast<size_t>(len_read);
return static_cast<ssize_t>(len_read);
}
inline ssize_t BufferStream::write(const char *ptr, size_t size) {
buffer.append(ptr, size);
return static_cast<ssize_t>(size);
}
inline void BufferStream::get_remote_ip_and_port(std::string & ,
int & ) const {}
inline void BufferStream::get_local_ip_and_port(std::string & ,
int & ) const {}
inline socket_t BufferStream::socket() const { return 0; }
inline time_t BufferStream::duration() const { return 0; }
inline const std::string &BufferStream::get_buffer() const { return buffer; }
inline PathParamsMatcher::PathParamsMatcher(const std::string &pattern)
: MatcherBase(pattern) {
constexpr const char marker[] = "/:";
std::size_t last_param_end = 0;
#ifndef CPPHTTPLIB_NO_EXCEPTIONS
std::unordered_set<std::string> param_name_set;
#endif
while (true) {
const auto marker_pos = pattern.find(
marker, last_param_end == 0 ? last_param_end : last_param_end - 1);
if (marker_pos == std::string::npos) { break; }
static_fragments_.push_back(
pattern.substr(last_param_end, marker_pos - last_param_end + 1));
const auto param_name_start = marker_pos + str_len(marker);
auto sep_pos = pattern.find(separator, param_name_start);
if (sep_pos == std::string::npos) { sep_pos = pattern.length(); }
auto param_name =
pattern.substr(param_name_start, sep_pos - param_name_start);
#ifndef CPPHTTPLIB_NO_EXCEPTIONS
if (param_name_set.find(param_name) != param_name_set.cend()) {
std::string msg = "Encountered path parameter '" + param_name +
"' multiple times in route pattern '" + pattern + "'.";
throw std::invalid_argument(msg);
}
#endif
param_names_.push_back(std::move(param_name));
last_param_end = sep_pos + 1;
}
if (last_param_end < pattern.length()) {
static_fragments_.push_back(pattern.substr(last_param_end));
}
}
inline bool PathParamsMatcher::match(Request &request) const {
request.matches = std::smatch();
request.path_params.clear();
request.path_params.reserve(param_names_.size());
std::size_t starting_pos = 0;
for (size_t i = 0; i < static_fragments_.size(); ++i) {
const auto &fragment = static_fragments_[i];
if (starting_pos + fragment.length() > request.path.length()) {
return false;
}
if (std::strncmp(request.path.c_str() + starting_pos, fragment.c_str(),
fragment.length()) != 0) {
return false;
}
starting_pos += fragment.length();
if (i >= param_names_.size()) { continue; }
auto sep_pos = request.path.find(separator, starting_pos);
if (sep_pos == std::string::npos) { sep_pos = request.path.length(); }
const auto ¶m_name = param_names_[i];
request.path_params.emplace(
param_name, request.path.substr(starting_pos, sep_pos - starting_pos));
starting_pos = sep_pos + 1;
}
return starting_pos >= request.path.length();
}
inline bool RegexMatcher::match(Request &request) const {
request.path_params.clear();
return std::regex_match(request.path, request.matches, regex_);
}
inline std::string make_host_and_port_string(const std::string &host, int port,
bool is_ssl) {
std::string result;
if (host.find(':') == std::string::npos ||
(!host.empty() && host[0] == '[')) {
result = host;
} else {
result = "[" + host + "]";
}
if ((!is_ssl && port == 80) || (is_ssl && port == 443)) {
; } else {
result += ":" + std::to_string(port);
}
return result;
}
}
inline Server::Server()
: new_task_queue(
[] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }) {
#ifndef _WIN32
signal(SIGPIPE, SIG_IGN);
#endif
}
inline Server::~Server() = default;
inline std::unique_ptr<detail::MatcherBase>
Server::make_matcher(const std::string &pattern) {
if (pattern.find("/:") != std::string::npos) {
return detail::make_unique<detail::PathParamsMatcher>(pattern);
} else {
return detail::make_unique<detail::RegexMatcher>(pattern);
}
}
inline Server &Server::Get(const std::string &pattern, Handler handler) {
get_handlers_.emplace_back(make_matcher(pattern), std::move(handler));
return *this;
}
inline Server &Server::Post(const std::string &pattern, Handler handler) {
post_handlers_.emplace_back(make_matcher(pattern), std::move(handler));
return *this;
}
inline Server &Server::Post(const std::string &pattern,
HandlerWithContentReader handler) {
post_handlers_for_content_reader_.emplace_back(make_matcher(pattern),
std::move(handler));
return *this;
}
inline Server &Server::Put(const std::string &pattern, Handler handler) {
put_handlers_.emplace_back(make_matcher(pattern), std::move(handler));
return *this;
}
inline Server &Server::Put(const std::string &pattern,
HandlerWithContentReader handler) {
put_handlers_for_content_reader_.emplace_back(make_matcher(pattern),
std::move(handler));
return *this;
}
inline Server &Server::Patch(const std::string &pattern, Handler handler) {
patch_handlers_.emplace_back(make_matcher(pattern), std::move(handler));
return *this;
}
inline Server &Server::Patch(const std::string &pattern,
HandlerWithContentReader handler) {
patch_handlers_for_content_reader_.emplace_back(make_matcher(pattern),
std::move(handler));
return *this;
}
inline Server &Server::Delete(const std::string &pattern, Handler handler) {
delete_handlers_.emplace_back(make_matcher(pattern), std::move(handler));
return *this;
}
inline Server &Server::Delete(const std::string &pattern,
HandlerWithContentReader handler) {
delete_handlers_for_content_reader_.emplace_back(make_matcher(pattern),
std::move(handler));
return *this;
}
inline Server &Server::Options(const std::string &pattern, Handler handler) {
options_handlers_.emplace_back(make_matcher(pattern), std::move(handler));
return *this;
}
inline bool Server::set_base_dir(const std::string &dir,
const std::string &mount_point) {
return set_mount_point(mount_point, dir);
}
inline bool Server::set_mount_point(const std::string &mount_point,
const std::string &dir, Headers headers) {
detail::FileStat stat(dir);
if (stat.is_dir()) {
std::string mnt = !mount_point.empty() ? mount_point : "/";
if (!mnt.empty() && mnt[0] == '/') {
base_dirs_.push_back({mnt, dir, std::move(headers)});
return true;
}
}
return false;
}
inline bool Server::remove_mount_point(const std::string &mount_point) {
for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) {
if (it->mount_point == mount_point) {
base_dirs_.erase(it);
return true;
}
}
return false;
}
inline Server &
Server::set_file_extension_and_mimetype_mapping(const std::string &ext,
const std::string &mime) {
file_extension_and_mimetype_map_[ext] = mime;
return *this;
}
inline Server &Server::set_default_file_mimetype(const std::string &mime) {
default_file_mimetype_ = mime;
return *this;
}
inline Server &Server::set_file_request_handler(Handler handler) {
file_request_handler_ = std::move(handler);
return *this;
}
inline Server &Server::set_error_handler_core(HandlerWithResponse handler,
std::true_type) {
error_handler_ = std::move(handler);
return *this;
}
inline Server &Server::set_error_handler_core(Handler handler,
std::false_type) {
error_handler_ = [handler](const Request &req, Response &res) {
handler(req, res);
return HandlerResponse::Handled;
};
return *this;
}
inline Server &Server::set_exception_handler(ExceptionHandler handler) {
exception_handler_ = std::move(handler);
return *this;
}
inline Server &Server::set_pre_routing_handler(HandlerWithResponse handler) {
pre_routing_handler_ = std::move(handler);
return *this;
}
inline Server &Server::set_post_routing_handler(Handler handler) {
post_routing_handler_ = std::move(handler);
return *this;
}
inline Server &Server::set_pre_request_handler(HandlerWithResponse handler) {
pre_request_handler_ = std::move(handler);
return *this;
}
inline Server &Server::set_logger(Logger logger) {
logger_ = std::move(logger);
return *this;
}
inline Server &Server::set_error_logger(ErrorLogger error_logger) {
error_logger_ = std::move(error_logger);
return *this;
}
inline Server &Server::set_pre_compression_logger(Logger logger) {
pre_compression_logger_ = std::move(logger);
return *this;
}
inline Server &
Server::set_expect_100_continue_handler(Expect100ContinueHandler handler) {
expect_100_continue_handler_ = std::move(handler);
return *this;
}
inline Server &Server::set_address_family(int family) {
address_family_ = family;
return *this;
}
inline Server &Server::set_tcp_nodelay(bool on) {
tcp_nodelay_ = on;
return *this;
}
inline Server &Server::set_ipv6_v6only(bool on) {
ipv6_v6only_ = on;
return *this;
}
inline Server &Server::set_socket_options(SocketOptions socket_options) {
socket_options_ = std::move(socket_options);
return *this;
}
inline Server &Server::set_default_headers(Headers headers) {
default_headers_ = std::move(headers);
return *this;
}
inline Server &Server::set_header_writer(
std::function<ssize_t(Stream &, Headers &)> const &writer) {
header_writer_ = writer;
return *this;
}
inline Server &
Server::set_trusted_proxies(const std::vector<std::string> &proxies) {
trusted_proxies_ = proxies;
return *this;
}
inline Server &Server::set_keep_alive_max_count(size_t count) {
keep_alive_max_count_ = count;
return *this;
}
inline Server &Server::set_keep_alive_timeout(time_t sec) {
keep_alive_timeout_sec_ = sec;
return *this;
}
inline Server &Server::set_read_timeout(time_t sec, time_t usec) {
read_timeout_sec_ = sec;
read_timeout_usec_ = usec;
return *this;
}
inline Server &Server::set_write_timeout(time_t sec, time_t usec) {
write_timeout_sec_ = sec;
write_timeout_usec_ = usec;
return *this;
}
inline Server &Server::set_idle_interval(time_t sec, time_t usec) {
idle_interval_sec_ = sec;
idle_interval_usec_ = usec;
return *this;
}
inline Server &Server::set_payload_max_length(size_t length) {
payload_max_length_ = length;
return *this;
}
inline bool Server::bind_to_port(const std::string &host, int port,
int socket_flags) {
auto ret = bind_internal(host, port, socket_flags);
if (ret == -1) { is_decommissioned = true; }
return ret >= 0;
}
inline int Server::bind_to_any_port(const std::string &host, int socket_flags) {
auto ret = bind_internal(host, 0, socket_flags);
if (ret == -1) { is_decommissioned = true; }
return ret;
}
inline bool Server::listen_after_bind() { return listen_internal(); }
inline bool Server::listen(const std::string &host, int port,
int socket_flags) {
return bind_to_port(host, port, socket_flags) && listen_internal();
}
inline bool Server::is_running() const { return is_running_; }
inline void Server::wait_until_ready() const {
while (!is_running_ && !is_decommissioned) {
std::this_thread::sleep_for(std::chrono::milliseconds{1});
}
}
inline void Server::stop() {
if (is_running_) {
assert(svr_sock_ != INVALID_SOCKET);
std::atomic<socket_t> sock(svr_sock_.exchange(INVALID_SOCKET));
detail::shutdown_socket(sock);
detail::close_socket(sock);
}
is_decommissioned = false;
}
inline void Server::decommission() { is_decommissioned = true; }
inline bool Server::parse_request_line(const char *s, Request &req) const {
auto len = strlen(s);
if (len < 2 || s[len - 2] != '\r' || s[len - 1] != '\n') { return false; }
len -= 2;
{
size_t count = 0;
detail::split(s, s + len, ' ', [&](const char *b, const char *e) {
switch (count) {
case 0: req.method = std::string(b, e); break;
case 1: req.target = std::string(b, e); break;
case 2: req.version = std::string(b, e); break;
default: break;
}
count++;
});
if (count != 3) { return false; }
}
thread_local const std::set<std::string> methods{
"GET", "HEAD", "POST", "PUT", "DELETE",
"CONNECT", "OPTIONS", "TRACE", "PATCH", "PRI"};
if (methods.find(req.method) == methods.end()) {
output_error_log(Error::InvalidHTTPMethod, &req);
return false;
}
if (req.version != "HTTP/1.1" && req.version != "HTTP/1.0") {
output_error_log(Error::InvalidHTTPVersion, &req);
return false;
}
{
for (size_t i = 0; i < req.target.size(); i++) {
if (req.target[i] == '#') {
req.target.erase(i);
break;
}
}
detail::divide(req.target, '?',
[&](const char *lhs_data, std::size_t lhs_size,
const char *rhs_data, std::size_t rhs_size) {
req.path =
decode_path_component(std::string(lhs_data, lhs_size));
detail::parse_query_text(rhs_data, rhs_size, req.params);
});
}
return true;
}
inline bool Server::write_response(Stream &strm, bool close_connection,
Request &req, Response &res) {
req.ranges.clear();
return write_response_core(strm, close_connection, req, res, false);
}
inline bool Server::write_response_with_content(Stream &strm,
bool close_connection,
const Request &req,
Response &res) {
return write_response_core(strm, close_connection, req, res, true);
}
inline bool Server::write_response_core(Stream &strm, bool close_connection,
const Request &req, Response &res,
bool need_apply_ranges) {
assert(res.status != -1);
if (400 <= res.status && error_handler_ &&
error_handler_(req, res) == HandlerResponse::Handled) {
need_apply_ranges = true;
}
std::string content_type;
std::string boundary;
if (need_apply_ranges) { apply_ranges(req, res, content_type, boundary); }
if (close_connection || req.get_header_value("Connection") == "close" ||
400 <= res.status) { res.set_header("Connection", "close");
} else {
std::string s = "timeout=";
s += std::to_string(keep_alive_timeout_sec_);
s += ", max=";
s += std::to_string(keep_alive_max_count_);
res.set_header("Keep-Alive", s);
}
if ((!res.body.empty() || res.content_length_ > 0 || res.content_provider_) &&
!res.has_header("Content-Type")) {
res.set_header("Content-Type", "text/plain");
}
if (res.body.empty() && !res.content_length_ && !res.content_provider_ &&
!res.has_header("Content-Length")) {
res.set_header("Content-Length", "0");
}
if (req.method == "HEAD" && !res.has_header("Accept-Ranges")) {
res.set_header("Accept-Ranges", "bytes");
}
if (post_routing_handler_) { post_routing_handler_(req, res); }
{
detail::BufferStream bstrm;
if (!detail::write_response_line(bstrm, res.status)) { return false; }
if (!header_writer_(bstrm, res.headers)) { return false; }
auto &data = bstrm.get_buffer();
detail::write_data(strm, data.data(), data.size());
}
auto ret = true;
if (req.method != "HEAD") {
if (!res.body.empty()) {
if (!detail::write_data(strm, res.body.data(), res.body.size())) {
ret = false;
}
} else if (res.content_provider_) {
if (write_content_with_provider(strm, req, res, boundary, content_type)) {
res.content_provider_success_ = true;
} else {
ret = false;
}
}
}
output_log(req, res);
return ret;
}
inline bool
Server::write_content_with_provider(Stream &strm, const Request &req,
Response &res, const std::string &boundary,
const std::string &content_type) {
auto is_shutting_down = [this]() {
return this->svr_sock_ == INVALID_SOCKET;
};
if (res.content_length_ > 0) {
if (req.ranges.empty()) {
return detail::write_content(strm, res.content_provider_, 0,
res.content_length_, is_shutting_down);
} else if (req.ranges.size() == 1) {
auto offset_and_length = detail::get_range_offset_and_length(
req.ranges[0], res.content_length_);
return detail::write_content(strm, res.content_provider_,
offset_and_length.first,
offset_and_length.second, is_shutting_down);
} else {
return detail::write_multipart_ranges_data(
strm, req, res, boundary, content_type, res.content_length_,
is_shutting_down);
}
} else {
if (res.is_chunked_content_provider_) {
auto type = detail::encoding_type(req, res);
std::unique_ptr<detail::compressor> compressor;
if (type == detail::EncodingType::Gzip) {
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
compressor = detail::make_unique<detail::gzip_compressor>();
#endif
} else if (type == detail::EncodingType::Brotli) {
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
compressor = detail::make_unique<detail::brotli_compressor>();
#endif
} else if (type == detail::EncodingType::Zstd) {
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
compressor = detail::make_unique<detail::zstd_compressor>();
#endif
} else {
compressor = detail::make_unique<detail::nocompressor>();
}
assert(compressor != nullptr);
return detail::write_content_chunked(strm, res.content_provider_,
is_shutting_down, *compressor);
} else {
return detail::write_content_without_length(strm, res.content_provider_,
is_shutting_down);
}
}
}
inline bool Server::read_content(Stream &strm, Request &req, Response &res) {
FormFields::iterator cur_field;
FormFiles::iterator cur_file;
auto is_text_field = false;
size_t count = 0;
if (read_content_core(
strm, req, res,
[&](const char *buf, size_t n) {
if (req.body.size() + n > req.body.max_size()) { return false; }
req.body.append(buf, n);
return true;
},
[&](const FormData &file) {
if (count++ == CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT) {
output_error_log(Error::TooManyFormDataFiles, &req);
return false;
}
if (file.filename.empty()) {
cur_field = req.form.fields.emplace(
file.name, FormField{file.name, file.content, file.headers});
is_text_field = true;
} else {
cur_file = req.form.files.emplace(file.name, file);
is_text_field = false;
}
return true;
},
[&](const char *buf, size_t n) {
if (is_text_field) {
auto &content = cur_field->second.content;
if (content.size() + n > content.max_size()) { return false; }
content.append(buf, n);
} else {
auto &content = cur_file->second.content;
if (content.size() + n > content.max_size()) { return false; }
content.append(buf, n);
}
return true;
})) {
const auto &content_type = req.get_header_value("Content-Type");
if (!content_type.find("application/x-www-form-urlencoded")) {
if (req.body.size() > CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH) {
res.status = StatusCode::PayloadTooLarge_413; output_error_log(Error::ExceedMaxPayloadSize, &req);
return false;
}
detail::parse_query_text(req.body, req.params);
}
return true;
}
return false;
}
inline bool Server::read_content_with_content_receiver(
Stream &strm, Request &req, Response &res, ContentReceiver receiver,
FormDataHeader multipart_header, ContentReceiver multipart_receiver) {
return read_content_core(strm, req, res, std::move(receiver),
std::move(multipart_header),
std::move(multipart_receiver));
}
inline bool Server::read_content_core(
Stream &strm, Request &req, Response &res, ContentReceiver receiver,
FormDataHeader multipart_header, ContentReceiver multipart_receiver) const {
detail::FormDataParser multipart_form_data_parser;
ContentReceiverWithProgress out;
if (req.is_multipart_form_data()) {
const auto &content_type = req.get_header_value("Content-Type");
std::string boundary;
if (!detail::parse_multipart_boundary(content_type, boundary)) {
res.status = StatusCode::BadRequest_400;
output_error_log(Error::MultipartParsing, &req);
return false;
}
multipart_form_data_parser.set_boundary(std::move(boundary));
out = [&](const char *buf, size_t n, size_t , size_t ) {
return multipart_form_data_parser.parse(buf, n, multipart_header,
multipart_receiver);
};
} else {
out = [receiver](const char *buf, size_t n, size_t ,
size_t ) { return receiver(buf, n); };
}
#if !defined(CPPHTTPLIB_OPENSSL_SUPPORT) && !defined(_WIN32)
if (!req.has_header("Content-Length") &&
!detail::is_chunked_transfer_encoding(req.headers)) {
socket_t s = strm.socket();
if (s != INVALID_SOCKET) {
size_t to_peek =
(payload_max_length_ > 0)
? (std::min)(payload_max_length_ + 1, static_cast<size_t>(4096))
: 1;
std::vector<char> peekbuf(to_peek);
ssize_t n = ::recv(s, peekbuf.data(), to_peek, MSG_PEEK);
if (n > 0 && static_cast<size_t>(n) > payload_max_length_) {
return false;
}
}
return true;
}
#else
if (!req.has_header("Content-Length") &&
!detail::is_chunked_transfer_encoding(req.headers)) {
return true;
}
#endif
if (!detail::read_content(strm, req, payload_max_length_, res.status, nullptr,
out, true)) {
return false;
}
if (req.is_multipart_form_data()) {
if (!multipart_form_data_parser.is_valid()) {
res.status = StatusCode::BadRequest_400;
output_error_log(Error::MultipartParsing, &req);
return false;
}
}
return true;
}
inline bool Server::handle_file_request(const Request &req, Response &res) {
for (const auto &entry : base_dirs_) {
if (!req.path.compare(0, entry.mount_point.size(), entry.mount_point)) {
std::string sub_path = "/" + req.path.substr(entry.mount_point.size());
if (detail::is_valid_path(sub_path)) {
auto path = entry.base_dir + sub_path;
if (path.back() == '/') { path += "index.html"; }
detail::FileStat stat(path);
if (stat.is_dir()) {
res.set_redirect(sub_path + "/", StatusCode::MovedPermanently_301);
return true;
}
if (stat.is_file()) {
for (const auto &kv : entry.headers) {
res.set_header(kv.first, kv.second);
}
auto mm = std::make_shared<detail::mmap>(path.c_str());
if (!mm->is_open()) {
output_error_log(Error::OpenFile, &req);
return false;
}
res.set_content_provider(
mm->size(),
detail::find_content_type(path, file_extension_and_mimetype_map_,
default_file_mimetype_),
[mm](size_t offset, size_t length, DataSink &sink) -> bool {
sink.write(mm->data() + offset, length);
return true;
});
if (req.method != "HEAD" && file_request_handler_) {
file_request_handler_(req, res);
}
return true;
} else {
output_error_log(Error::OpenFile, &req);
}
}
}
}
return false;
}
inline socket_t
Server::create_server_socket(const std::string &host, int port,
int socket_flags,
SocketOptions socket_options) const {
return detail::create_socket(
host, std::string(), port, address_family_, socket_flags, tcp_nodelay_,
ipv6_v6only_, std::move(socket_options),
[&](socket_t sock, struct addrinfo &ai, bool & ) -> bool {
if (::bind(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen))) {
output_error_log(Error::BindIPAddress, nullptr);
return false;
}
if (::listen(sock, CPPHTTPLIB_LISTEN_BACKLOG)) {
output_error_log(Error::Listen, nullptr);
return false;
}
return true;
});
}
inline int Server::bind_internal(const std::string &host, int port,
int socket_flags) {
if (is_decommissioned) { return -1; }
if (!is_valid()) { return -1; }
svr_sock_ = create_server_socket(host, port, socket_flags, socket_options_);
if (svr_sock_ == INVALID_SOCKET) { return -1; }
if (port == 0) {
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
if (getsockname(svr_sock_, reinterpret_cast<struct sockaddr *>(&addr),
&addr_len) == -1) {
output_error_log(Error::GetSockName, nullptr);
return -1;
}
if (addr.ss_family == AF_INET) {
return ntohs(reinterpret_cast<struct sockaddr_in *>(&addr)->sin_port);
} else if (addr.ss_family == AF_INET6) {
return ntohs(reinterpret_cast<struct sockaddr_in6 *>(&addr)->sin6_port);
} else {
output_error_log(Error::UnsupportedAddressFamily, nullptr);
return -1;
}
} else {
return port;
}
}
inline bool Server::listen_internal() {
if (is_decommissioned) { return false; }
auto ret = true;
is_running_ = true;
auto se = detail::scope_exit([&]() { is_running_ = false; });
{
std::unique_ptr<TaskQueue> task_queue(new_task_queue());
while (svr_sock_ != INVALID_SOCKET) {
#ifndef _WIN32
if (idle_interval_sec_ > 0 || idle_interval_usec_ > 0) {
#endif
auto val = detail::select_read(svr_sock_, idle_interval_sec_,
idle_interval_usec_);
if (val == 0) { task_queue->on_idle();
continue;
}
#ifndef _WIN32
}
#endif
#if defined _WIN32
socket_t sock = WSAAccept(svr_sock_, nullptr, nullptr, nullptr, 0);
#elif defined SOCK_CLOEXEC
socket_t sock = accept4(svr_sock_, nullptr, nullptr, SOCK_CLOEXEC);
#else
socket_t sock = accept(svr_sock_, nullptr, nullptr);
#endif
if (sock == INVALID_SOCKET) {
if (errno == EMFILE) {
std::this_thread::sleep_for(std::chrono::microseconds{1});
continue;
} else if (errno == EINTR || errno == EAGAIN) {
continue;
}
if (svr_sock_ != INVALID_SOCKET) {
detail::close_socket(svr_sock_);
ret = false;
output_error_log(Error::Connection, nullptr);
} else {
; }
break;
}
detail::set_socket_opt_time(sock, SOL_SOCKET, SO_RCVTIMEO,
read_timeout_sec_, read_timeout_usec_);
detail::set_socket_opt_time(sock, SOL_SOCKET, SO_SNDTIMEO,
write_timeout_sec_, write_timeout_usec_);
if (!task_queue->enqueue(
[this, sock]() { process_and_close_socket(sock); })) {
output_error_log(Error::ResourceExhaustion, nullptr);
detail::shutdown_socket(sock);
detail::close_socket(sock);
}
}
task_queue->shutdown();
}
is_decommissioned = !ret;
return ret;
}
inline bool Server::routing(Request &req, Response &res, Stream &strm) {
if (pre_routing_handler_ &&
pre_routing_handler_(req, res) == HandlerResponse::Handled) {
return true;
}
if ((req.method == "GET" || req.method == "HEAD") &&
handle_file_request(req, res)) {
return true;
}
if (detail::expect_content(req)) {
{
ContentReader reader(
[&](ContentReceiver receiver) {
auto result = read_content_with_content_receiver(
strm, req, res, std::move(receiver), nullptr, nullptr);
if (!result) { output_error_log(Error::Read, &req); }
return result;
},
[&](FormDataHeader header, ContentReceiver receiver) {
auto result = read_content_with_content_receiver(
strm, req, res, nullptr, std::move(header),
std::move(receiver));
if (!result) { output_error_log(Error::Read, &req); }
return result;
});
if (req.method == "POST") {
if (dispatch_request_for_content_reader(
req, res, std::move(reader),
post_handlers_for_content_reader_)) {
return true;
}
} else if (req.method == "PUT") {
if (dispatch_request_for_content_reader(
req, res, std::move(reader),
put_handlers_for_content_reader_)) {
return true;
}
} else if (req.method == "PATCH") {
if (dispatch_request_for_content_reader(
req, res, std::move(reader),
patch_handlers_for_content_reader_)) {
return true;
}
} else if (req.method == "DELETE") {
if (dispatch_request_for_content_reader(
req, res, std::move(reader),
delete_handlers_for_content_reader_)) {
return true;
}
}
}
if (!read_content(strm, req, res)) {
output_error_log(Error::Read, &req);
return false;
}
}
if (req.method == "GET" || req.method == "HEAD") {
return dispatch_request(req, res, get_handlers_);
} else if (req.method == "POST") {
return dispatch_request(req, res, post_handlers_);
} else if (req.method == "PUT") {
return dispatch_request(req, res, put_handlers_);
} else if (req.method == "DELETE") {
return dispatch_request(req, res, delete_handlers_);
} else if (req.method == "OPTIONS") {
return dispatch_request(req, res, options_handlers_);
} else if (req.method == "PATCH") {
return dispatch_request(req, res, patch_handlers_);
}
res.status = StatusCode::BadRequest_400;
return false;
}
inline bool Server::dispatch_request(Request &req, Response &res,
const Handlers &handlers) const {
for (const auto &x : handlers) {
const auto &matcher = x.first;
const auto &handler = x.second;
if (matcher->match(req)) {
req.matched_route = matcher->pattern();
if (!pre_request_handler_ ||
pre_request_handler_(req, res) != HandlerResponse::Handled) {
handler(req, res);
}
return true;
}
}
return false;
}
inline void Server::apply_ranges(const Request &req, Response &res,
std::string &content_type,
std::string &boundary) const {
if (req.ranges.size() > 1 && res.status == StatusCode::PartialContent_206) {
auto it = res.headers.find("Content-Type");
if (it != res.headers.end()) {
content_type = it->second;
res.headers.erase(it);
}
boundary = detail::make_multipart_data_boundary();
res.set_header("Content-Type",
"multipart/byteranges; boundary=" + boundary);
}
auto type = detail::encoding_type(req, res);
if (res.body.empty()) {
if (res.content_length_ > 0) {
size_t length = 0;
if (req.ranges.empty() || res.status != StatusCode::PartialContent_206) {
length = res.content_length_;
} else if (req.ranges.size() == 1) {
auto offset_and_length = detail::get_range_offset_and_length(
req.ranges[0], res.content_length_);
length = offset_and_length.second;
auto content_range = detail::make_content_range_header_field(
offset_and_length, res.content_length_);
res.set_header("Content-Range", content_range);
} else {
length = detail::get_multipart_ranges_data_length(
req, boundary, content_type, res.content_length_);
}
res.set_header("Content-Length", std::to_string(length));
} else {
if (res.content_provider_) {
if (res.is_chunked_content_provider_) {
res.set_header("Transfer-Encoding", "chunked");
if (type == detail::EncodingType::Gzip) {
res.set_header("Content-Encoding", "gzip");
} else if (type == detail::EncodingType::Brotli) {
res.set_header("Content-Encoding", "br");
} else if (type == detail::EncodingType::Zstd) {
res.set_header("Content-Encoding", "zstd");
}
}
}
}
} else {
if (req.ranges.empty() || res.status != StatusCode::PartialContent_206) {
;
} else if (req.ranges.size() == 1) {
auto offset_and_length =
detail::get_range_offset_and_length(req.ranges[0], res.body.size());
auto offset = offset_and_length.first;
auto length = offset_and_length.second;
auto content_range = detail::make_content_range_header_field(
offset_and_length, res.body.size());
res.set_header("Content-Range", content_range);
assert(offset + length <= res.body.size());
res.body = res.body.substr(offset, length);
} else {
std::string data;
detail::make_multipart_ranges_data(req, res, boundary, content_type,
res.body.size(), data);
res.body.swap(data);
}
if (type != detail::EncodingType::None) {
output_pre_compression_log(req, res);
std::unique_ptr<detail::compressor> compressor;
std::string content_encoding;
if (type == detail::EncodingType::Gzip) {
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
compressor = detail::make_unique<detail::gzip_compressor>();
content_encoding = "gzip";
#endif
} else if (type == detail::EncodingType::Brotli) {
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
compressor = detail::make_unique<detail::brotli_compressor>();
content_encoding = "br";
#endif
} else if (type == detail::EncodingType::Zstd) {
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
compressor = detail::make_unique<detail::zstd_compressor>();
content_encoding = "zstd";
#endif
}
if (compressor) {
std::string compressed;
if (compressor->compress(res.body.data(), res.body.size(), true,
[&](const char *data, size_t data_len) {
compressed.append(data, data_len);
return true;
})) {
res.body.swap(compressed);
res.set_header("Content-Encoding", content_encoding);
}
}
}
auto length = std::to_string(res.body.size());
res.set_header("Content-Length", length);
}
}
inline bool Server::dispatch_request_for_content_reader(
Request &req, Response &res, ContentReader content_reader,
const HandlersForContentReader &handlers) const {
for (const auto &x : handlers) {
const auto &matcher = x.first;
const auto &handler = x.second;
if (matcher->match(req)) {
req.matched_route = matcher->pattern();
if (!pre_request_handler_ ||
pre_request_handler_(req, res) != HandlerResponse::Handled) {
handler(req, res, content_reader);
}
return true;
}
}
return false;
}
inline std::string
get_client_ip(const std::string &x_forwarded_for,
const std::vector<std::string> &trusted_proxies) {
std::vector<std::string> ip_list;
detail::split(x_forwarded_for.data(),
x_forwarded_for.data() + x_forwarded_for.size(), ',',
[&](const char *b, const char *e) {
auto r = detail::trim(b, e, 0, static_cast<size_t>(e - b));
ip_list.emplace_back(std::string(b + r.first, b + r.second));
});
for (size_t i = 0; i < ip_list.size(); ++i) {
auto ip = ip_list[i];
auto is_trusted_proxy =
std::any_of(trusted_proxies.begin(), trusted_proxies.end(),
[&](const std::string &proxy) { return ip == proxy; });
if (is_trusted_proxy) {
if (i == 0) {
return ip;
} else {
return ip_list[i - 1];
}
}
}
return ip_list.front();
}
inline bool
Server::process_request(Stream &strm, const std::string &remote_addr,
int remote_port, const std::string &local_addr,
int local_port, bool close_connection,
bool &connection_closed,
const std::function<void(Request &)> &setup_request) {
std::array<char, 2048> buf{};
detail::stream_line_reader line_reader(strm, buf.data(), buf.size());
if (!line_reader.getline()) { return false; }
Request req;
req.start_time_ = std::chrono::steady_clock::now();
Response res;
res.version = "HTTP/1.1";
res.headers = default_headers_;
#ifdef __APPLE__
if (strm.socket() >= FD_SETSIZE) {
Headers dummy;
detail::read_headers(strm, dummy);
res.status = StatusCode::InternalServerError_500;
output_error_log(Error::ExceedMaxSocketDescriptorCount, &req);
return write_response(strm, close_connection, req, res);
}
#endif
if (!parse_request_line(line_reader.ptr(), req)) {
res.status = StatusCode::BadRequest_400;
output_error_log(Error::InvalidRequestLine, &req);
return write_response(strm, close_connection, req, res);
}
if (!detail::read_headers(strm, req.headers)) {
res.status = StatusCode::BadRequest_400;
output_error_log(Error::InvalidHeaders, &req);
return write_response(strm, close_connection, req, res);
}
if (req.target.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH) {
res.status = StatusCode::UriTooLong_414;
output_error_log(Error::ExceedUriMaxLength, &req);
return write_response(strm, close_connection, req, res);
}
if (req.get_header_value("Connection") == "close") {
connection_closed = true;
}
if (req.version == "HTTP/1.0" &&
req.get_header_value("Connection") != "Keep-Alive") {
connection_closed = true;
}
if (!trusted_proxies_.empty() && req.has_header("X-Forwarded-For")) {
auto x_forwarded_for = req.get_header_value("X-Forwarded-For");
req.remote_addr = get_client_ip(x_forwarded_for, trusted_proxies_);
} else {
req.remote_addr = remote_addr;
}
req.remote_port = remote_port;
req.local_addr = local_addr;
req.local_port = local_port;
if (req.has_header("Accept")) {
const auto &accept_header = req.get_header_value("Accept");
if (!detail::parse_accept_header(accept_header, req.accept_content_types)) {
res.status = StatusCode::BadRequest_400;
output_error_log(Error::HTTPParsing, &req);
return write_response(strm, close_connection, req, res);
}
}
if (req.has_header("Range")) {
const auto &range_header_value = req.get_header_value("Range");
if (!detail::parse_range_header(range_header_value, req.ranges)) {
res.status = StatusCode::RangeNotSatisfiable_416;
output_error_log(Error::InvalidRangeHeader, &req);
return write_response(strm, close_connection, req, res);
}
}
if (setup_request) { setup_request(req); }
if (req.get_header_value("Expect") == "100-continue") {
int status = StatusCode::Continue_100;
if (expect_100_continue_handler_) {
status = expect_100_continue_handler_(req, res);
}
switch (status) {
case StatusCode::Continue_100:
case StatusCode::ExpectationFailed_417:
detail::write_response_line(strm, status);
strm.write("\r\n");
break;
default:
connection_closed = true;
return write_response(strm, true, req, res);
}
}
auto sock = strm.socket();
req.is_connection_closed = [sock]() {
return !detail::is_socket_alive(sock);
};
auto routed = false;
#ifdef CPPHTTPLIB_NO_EXCEPTIONS
routed = routing(req, res, strm);
#else
try {
routed = routing(req, res, strm);
} catch (std::exception &e) {
if (exception_handler_) {
auto ep = std::current_exception();
exception_handler_(req, res, ep);
routed = true;
} else {
res.status = StatusCode::InternalServerError_500;
std::string val;
auto s = e.what();
for (size_t i = 0; s[i]; i++) {
switch (s[i]) {
case '\r': val += "\\r"; break;
case '\n': val += "\\n"; break;
default: val += s[i]; break;
}
}
res.set_header("EXCEPTION_WHAT", val);
}
} catch (...) {
if (exception_handler_) {
auto ep = std::current_exception();
exception_handler_(req, res, ep);
routed = true;
} else {
res.status = StatusCode::InternalServerError_500;
res.set_header("EXCEPTION_WHAT", "UNKNOWN");
}
}
#endif
if (routed) {
if (res.status == -1) {
res.status = req.ranges.empty() ? StatusCode::OK_200
: StatusCode::PartialContent_206;
}
if (!res.file_content_path_.empty()) {
const auto &path = res.file_content_path_;
auto mm = std::make_shared<detail::mmap>(path.c_str());
if (!mm->is_open()) {
res.body.clear();
res.content_length_ = 0;
res.content_provider_ = nullptr;
res.status = StatusCode::NotFound_404;
output_error_log(Error::OpenFile, &req);
return write_response(strm, close_connection, req, res);
}
auto content_type = res.file_content_content_type_;
if (content_type.empty()) {
content_type = detail::find_content_type(
path, file_extension_and_mimetype_map_, default_file_mimetype_);
}
res.set_content_provider(
mm->size(), content_type,
[mm](size_t offset, size_t length, DataSink &sink) -> bool {
sink.write(mm->data() + offset, length);
return true;
});
}
if (detail::range_error(req, res)) {
res.body.clear();
res.content_length_ = 0;
res.content_provider_ = nullptr;
res.status = StatusCode::RangeNotSatisfiable_416;
return write_response(strm, close_connection, req, res);
}
return write_response_with_content(strm, close_connection, req, res);
} else {
if (res.status == -1) { res.status = StatusCode::NotFound_404; }
return write_response(strm, close_connection, req, res);
}
}
inline bool Server::is_valid() const { return true; }
inline bool Server::process_and_close_socket(socket_t sock) {
std::string remote_addr;
int remote_port = 0;
detail::get_remote_ip_and_port(sock, remote_addr, remote_port);
std::string local_addr;
int local_port = 0;
detail::get_local_ip_and_port(sock, local_addr, local_port);
auto ret = detail::process_server_socket(
svr_sock_, sock, keep_alive_max_count_, keep_alive_timeout_sec_,
read_timeout_sec_, read_timeout_usec_, write_timeout_sec_,
write_timeout_usec_,
[&](Stream &strm, bool close_connection, bool &connection_closed) {
return process_request(strm, remote_addr, remote_port, local_addr,
local_port, close_connection, connection_closed,
nullptr);
});
detail::shutdown_socket(sock);
detail::close_socket(sock);
return ret;
}
inline void Server::output_log(const Request &req, const Response &res) const {
if (logger_) {
std::lock_guard<std::mutex> guard(logger_mutex_);
logger_(req, res);
}
}
inline void Server::output_pre_compression_log(const Request &req,
const Response &res) const {
if (pre_compression_logger_) {
std::lock_guard<std::mutex> guard(logger_mutex_);
pre_compression_logger_(req, res);
}
}
inline void Server::output_error_log(const Error &err,
const Request *req) const {
if (error_logger_) {
std::lock_guard<std::mutex> guard(logger_mutex_);
error_logger_(err, req);
}
}
inline ClientImpl::ClientImpl(const std::string &host)
: ClientImpl(host, 80, std::string(), std::string()) {}
inline ClientImpl::ClientImpl(const std::string &host, int port)
: ClientImpl(host, port, std::string(), std::string()) {}
inline ClientImpl::ClientImpl(const std::string &host, int port,
const std::string &client_cert_path,
const std::string &client_key_path)
: host_(detail::escape_abstract_namespace_unix_domain(host)), port_(port),
host_and_port_(detail::make_host_and_port_string(host_, port, is_ssl())),
client_cert_path_(client_cert_path), client_key_path_(client_key_path) {}
inline ClientImpl::~ClientImpl() {
size_t retry_count = 10;
while (retry_count-- > 0) {
{
std::lock_guard<std::mutex> guard(socket_mutex_);
if (socket_requests_in_flight_ == 0) { break; }
}
std::this_thread::sleep_for(std::chrono::milliseconds{1});
}
std::lock_guard<std::mutex> guard(socket_mutex_);
shutdown_socket(socket_);
close_socket(socket_);
}
inline bool ClientImpl::is_valid() const { return true; }
inline void ClientImpl::copy_settings(const ClientImpl &rhs) {
client_cert_path_ = rhs.client_cert_path_;
client_key_path_ = rhs.client_key_path_;
connection_timeout_sec_ = rhs.connection_timeout_sec_;
read_timeout_sec_ = rhs.read_timeout_sec_;
read_timeout_usec_ = rhs.read_timeout_usec_;
write_timeout_sec_ = rhs.write_timeout_sec_;
write_timeout_usec_ = rhs.write_timeout_usec_;
max_timeout_msec_ = rhs.max_timeout_msec_;
basic_auth_username_ = rhs.basic_auth_username_;
basic_auth_password_ = rhs.basic_auth_password_;
bearer_token_auth_token_ = rhs.bearer_token_auth_token_;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
digest_auth_username_ = rhs.digest_auth_username_;
digest_auth_password_ = rhs.digest_auth_password_;
#endif
keep_alive_ = rhs.keep_alive_;
follow_location_ = rhs.follow_location_;
path_encode_ = rhs.path_encode_;
address_family_ = rhs.address_family_;
tcp_nodelay_ = rhs.tcp_nodelay_;
ipv6_v6only_ = rhs.ipv6_v6only_;
socket_options_ = rhs.socket_options_;
compress_ = rhs.compress_;
decompress_ = rhs.decompress_;
interface_ = rhs.interface_;
proxy_host_ = rhs.proxy_host_;
proxy_port_ = rhs.proxy_port_;
proxy_basic_auth_username_ = rhs.proxy_basic_auth_username_;
proxy_basic_auth_password_ = rhs.proxy_basic_auth_password_;
proxy_bearer_token_auth_token_ = rhs.proxy_bearer_token_auth_token_;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_;
proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_;
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
ca_cert_file_path_ = rhs.ca_cert_file_path_;
ca_cert_dir_path_ = rhs.ca_cert_dir_path_;
ca_cert_store_ = rhs.ca_cert_store_;
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
server_certificate_verification_ = rhs.server_certificate_verification_;
server_hostname_verification_ = rhs.server_hostname_verification_;
server_certificate_verifier_ = rhs.server_certificate_verifier_;
#endif
logger_ = rhs.logger_;
error_logger_ = rhs.error_logger_;
}
inline socket_t ClientImpl::create_client_socket(Error &error) const {
if (!proxy_host_.empty() && proxy_port_ != -1) {
return detail::create_client_socket(
proxy_host_, std::string(), proxy_port_, address_family_, tcp_nodelay_,
ipv6_v6only_, socket_options_, connection_timeout_sec_,
connection_timeout_usec_, read_timeout_sec_, read_timeout_usec_,
write_timeout_sec_, write_timeout_usec_, interface_, error);
}
std::string ip;
auto it = addr_map_.find(host_);
if (it != addr_map_.end()) { ip = it->second; }
return detail::create_client_socket(
host_, ip, port_, address_family_, tcp_nodelay_, ipv6_v6only_,
socket_options_, connection_timeout_sec_, connection_timeout_usec_,
read_timeout_sec_, read_timeout_usec_, write_timeout_sec_,
write_timeout_usec_, interface_, error);
}
inline bool ClientImpl::create_and_connect_socket(Socket &socket,
Error &error) {
auto sock = create_client_socket(error);
if (sock == INVALID_SOCKET) { return false; }
socket.sock = sock;
return true;
}
inline bool ClientImpl::ensure_socket_connection(Socket &socket, Error &error) {
return create_and_connect_socket(socket, error);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
inline bool SSLClient::ensure_socket_connection(Socket &socket, Error &error) {
if (!ClientImpl::ensure_socket_connection(socket, error)) { return false; }
if (!proxy_host_.empty() && proxy_port_ != -1) { return true; }
if (!initialize_ssl(socket, error)) {
shutdown_socket(socket);
close_socket(socket);
return false;
}
return true;
}
#endif
inline void ClientImpl::shutdown_ssl(Socket & ,
bool ) {
assert(socket_requests_in_flight_ == 0 ||
socket_requests_are_from_thread_ == std::this_thread::get_id());
}
inline void ClientImpl::shutdown_socket(Socket &socket) const {
if (socket.sock == INVALID_SOCKET) { return; }
detail::shutdown_socket(socket.sock);
}
inline void ClientImpl::close_socket(Socket &socket) {
assert(socket_requests_in_flight_ == 0 ||
socket_requests_are_from_thread_ == std::this_thread::get_id());
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
assert(socket.ssl == nullptr);
#endif
if (socket.sock == INVALID_SOCKET) { return; }
detail::close_socket(socket.sock);
socket.sock = INVALID_SOCKET;
}
inline bool ClientImpl::read_response_line(Stream &strm, const Request &req,
Response &res) const {
std::array<char, 2048> buf{};
detail::stream_line_reader line_reader(strm, buf.data(), buf.size());
if (!line_reader.getline()) { return false; }
#ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR
thread_local const std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r?\n");
#else
thread_local const std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r\n");
#endif
std::cmatch m;
if (!std::regex_match(line_reader.ptr(), m, re)) {
return req.method == "CONNECT";
}
res.version = std::string(m[1]);
res.status = std::stoi(std::string(m[2]));
res.reason = std::string(m[3]);
while (res.status == StatusCode::Continue_100) {
if (!line_reader.getline()) { return false; } if (!line_reader.getline()) { return false; }
if (!std::regex_match(line_reader.ptr(), m, re)) { return false; }
res.version = std::string(m[1]);
res.status = std::stoi(std::string(m[2]));
res.reason = std::string(m[3]);
}
return true;
}
inline bool ClientImpl::send(Request &req, Response &res, Error &error) {
std::lock_guard<std::recursive_mutex> request_mutex_guard(request_mutex_);
auto ret = send_(req, res, error);
if (error == Error::SSLPeerCouldBeClosed_) {
assert(!ret);
ret = send_(req, res, error);
}
return ret;
}
inline bool ClientImpl::send_(Request &req, Response &res, Error &error) {
{
std::lock_guard<std::mutex> guard(socket_mutex_);
socket_should_be_closed_when_request_is_done_ = false;
auto is_alive = false;
if (socket_.is_open()) {
is_alive = detail::is_socket_alive(socket_.sock);
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (is_alive && is_ssl()) {
if (detail::is_ssl_peer_could_be_closed(socket_.ssl, socket_.sock)) {
is_alive = false;
}
}
#endif
if (!is_alive) {
const bool shutdown_gracefully = false;
shutdown_ssl(socket_, shutdown_gracefully);
shutdown_socket(socket_);
close_socket(socket_);
}
}
if (!is_alive) {
if (!ensure_socket_connection(socket_, error)) {
output_error_log(error, &req);
return false;
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (is_ssl()) {
auto &scli = static_cast<SSLClient &>(*this);
if (!proxy_host_.empty() && proxy_port_ != -1) {
auto success = false;
if (!scli.connect_with_proxy(socket_, req.start_time_, res, success,
error)) {
if (!success) { output_error_log(error, &req); }
return success;
}
}
if (!proxy_host_.empty() && proxy_port_ != -1) {
if (!scli.initialize_ssl(socket_, error)) {
output_error_log(error, &req);
return false;
}
}
}
#endif
}
if (socket_requests_in_flight_ > 1) {
assert(socket_requests_are_from_thread_ == std::this_thread::get_id());
}
socket_requests_in_flight_ += 1;
socket_requests_are_from_thread_ = std::this_thread::get_id();
}
for (const auto &header : default_headers_) {
if (req.headers.find(header.first) == req.headers.end()) {
req.headers.insert(header);
}
}
auto ret = false;
auto close_connection = !keep_alive_;
auto se = detail::scope_exit([&]() {
std::lock_guard<std::mutex> guard(socket_mutex_);
socket_requests_in_flight_ -= 1;
if (socket_requests_in_flight_ <= 0) {
assert(socket_requests_in_flight_ == 0);
socket_requests_are_from_thread_ = std::thread::id();
}
if (socket_should_be_closed_when_request_is_done_ || close_connection ||
!ret) {
shutdown_ssl(socket_, true);
shutdown_socket(socket_);
close_socket(socket_);
}
});
ret = process_socket(socket_, req.start_time_, [&](Stream &strm) {
return handle_request(strm, req, res, close_connection, error);
});
if (!ret) {
if (error == Error::Success) {
error = Error::Unknown;
output_error_log(error, &req);
}
}
return ret;
}
inline Result ClientImpl::send(const Request &req) {
auto req2 = req;
return send_(std::move(req2));
}
inline Result ClientImpl::send_(Request &&req) {
auto res = detail::make_unique<Response>();
auto error = Error::Success;
auto ret = send(req, *res, error);
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
return Result{ret ? std::move(res) : nullptr, error, std::move(req.headers),
last_ssl_error_, last_openssl_error_};
#else
return Result{ret ? std::move(res) : nullptr, error, std::move(req.headers)};
#endif
}
inline void ClientImpl::prepare_default_headers(Request &r, bool for_stream,
const std::string &ct) {
(void)for_stream;
for (const auto &header : default_headers_) {
if (!r.has_header(header.first)) { r.headers.insert(header); }
}
if (!r.has_header("Host")) {
if (address_family_ == AF_UNIX) {
r.headers.emplace("Host", "localhost");
} else {
r.headers.emplace("Host", host_and_port_);
}
}
if (!r.has_header("Accept")) { r.headers.emplace("Accept", "*/*"); }
if (!r.content_receiver) {
if (!r.has_header("Accept-Encoding")) {
std::string accept_encoding;
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
accept_encoding = "br";
#endif
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
if (!accept_encoding.empty()) { accept_encoding += ", "; }
accept_encoding += "gzip, deflate";
#endif
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
if (!accept_encoding.empty()) { accept_encoding += ", "; }
accept_encoding += "zstd";
#endif
r.set_header("Accept-Encoding", accept_encoding);
}
#ifndef CPPHTTPLIB_NO_DEFAULT_USER_AGENT
if (!r.has_header("User-Agent")) {
auto agent = std::string("cpp-httplib/") + CPPHTTPLIB_VERSION;
r.set_header("User-Agent", agent);
}
#endif
}
if (!r.body.empty()) {
if (!ct.empty() && !r.has_header("Content-Type")) {
r.headers.emplace("Content-Type", ct);
}
if (!r.has_header("Content-Length")) {
r.headers.emplace("Content-Length", std::to_string(r.body.size()));
}
}
}
inline ClientImpl::StreamHandle
ClientImpl::open_stream(const std::string &method, const std::string &path,
const Params ¶ms, const Headers &headers,
const std::string &body,
const std::string &content_type) {
StreamHandle handle;
handle.response = detail::make_unique<Response>();
handle.error = Error::Success;
auto query_path = params.empty() ? path : append_query_params(path, params);
handle.connection_ = detail::make_unique<ClientConnection>();
{
std::lock_guard<std::mutex> guard(socket_mutex_);
auto is_alive = false;
if (socket_.is_open()) {
is_alive = detail::is_socket_alive(socket_.sock);
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (is_alive && is_ssl()) {
if (detail::is_ssl_peer_could_be_closed(socket_.ssl, socket_.sock)) {
is_alive = false;
}
}
#endif
if (!is_alive) {
shutdown_ssl(socket_, false);
shutdown_socket(socket_);
close_socket(socket_);
}
}
if (!is_alive) {
if (!ensure_socket_connection(socket_, handle.error)) {
handle.response.reset();
return handle;
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (is_ssl()) {
auto &scli = static_cast<SSLClient &>(*this);
if (!proxy_host_.empty() && proxy_port_ != -1) {
if (!scli.initialize_ssl(socket_, handle.error)) {
handle.response.reset();
return handle;
}
}
}
#endif
}
transfer_socket_ownership_to_handle(handle);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (is_ssl() && handle.connection_->ssl) {
handle.socket_stream_ = detail::make_unique<detail::SSLSocketStream>(
handle.connection_->sock, handle.connection_->ssl, read_timeout_sec_,
read_timeout_usec_, write_timeout_sec_, write_timeout_usec_);
} else {
handle.socket_stream_ = detail::make_unique<detail::SocketStream>(
handle.connection_->sock, read_timeout_sec_, read_timeout_usec_,
write_timeout_sec_, write_timeout_usec_);
}
#else
handle.socket_stream_ = detail::make_unique<detail::SocketStream>(
handle.connection_->sock, read_timeout_sec_, read_timeout_usec_,
write_timeout_sec_, write_timeout_usec_);
#endif
handle.stream_ = handle.socket_stream_.get();
Request req;
req.method = method;
req.path = query_path;
req.headers = headers;
req.body = body;
prepare_default_headers(req, true, content_type);
auto &strm = *handle.stream_;
if (detail::write_request_line(strm, req.method, req.path) < 0) {
handle.error = Error::Write;
handle.response.reset();
return handle;
}
if (!detail::write_headers(strm, req.headers)) {
handle.error = Error::Write;
handle.response.reset();
return handle;
}
if (!body.empty()) {
if (strm.write(body.data(), body.size()) < 0) {
handle.error = Error::Write;
handle.response.reset();
return handle;
}
}
if (!read_response_line(strm, req, *handle.response) ||
!detail::read_headers(strm, handle.response->headers)) {
handle.error = Error::Read;
handle.response.reset();
return handle;
}
handle.body_reader_.stream = handle.stream_;
auto content_length_str = handle.response->get_header_value("Content-Length");
if (!content_length_str.empty()) {
handle.body_reader_.content_length =
static_cast<size_t>(std::stoull(content_length_str));
}
auto transfer_encoding =
handle.response->get_header_value("Transfer-Encoding");
handle.body_reader_.chunked = (transfer_encoding == "chunked");
auto content_encoding = handle.response->get_header_value("Content-Encoding");
if (!content_encoding.empty()) {
handle.decompressor_ = detail::create_decompressor(content_encoding);
}
return handle;
}
inline ssize_t ClientImpl::StreamHandle::read(char *buf, size_t len) {
if (!is_valid() || !response) { return -1; }
if (decompressor_) { return read_with_decompression(buf, len); }
auto n = detail::read_body_content(stream_, body_reader_, buf, len);
if (n <= 0 && body_reader_.chunked && !trailers_parsed_ && stream_) {
trailers_parsed_ = true;
if (body_reader_.chunked_decoder) {
if (!body_reader_.chunked_decoder->parse_trailers_into(
response->trailers, response->headers)) {
return n;
}
} else {
detail::ChunkedDecoder dec(*stream_);
if (!dec.parse_trailers_into(response->trailers, response->headers)) {
return n;
}
}
}
return n;
}
inline ssize_t ClientImpl::StreamHandle::read_with_decompression(char *buf,
size_t len) {
if (decompress_offset_ < decompress_buffer_.size()) {
auto available = decompress_buffer_.size() - decompress_offset_;
auto to_copy = (std::min)(len, available);
std::memcpy(buf, decompress_buffer_.data() + decompress_offset_, to_copy);
decompress_offset_ += to_copy;
return static_cast<ssize_t>(to_copy);
}
decompress_buffer_.clear();
decompress_offset_ = 0;
constexpr size_t kDecompressionBufferSize = 8192;
char compressed_buf[kDecompressionBufferSize];
while (true) {
auto n = detail::read_body_content(stream_, body_reader_, compressed_buf,
sizeof(compressed_buf));
if (n <= 0) { return n; }
bool decompress_ok =
decompressor_->decompress(compressed_buf, static_cast<size_t>(n),
[this](const char *data, size_t data_len) {
decompress_buffer_.append(data, data_len);
return true;
});
if (!decompress_ok) {
body_reader_.last_error = Error::Read;
return -1;
}
if (!decompress_buffer_.empty()) { break; }
}
auto to_copy = (std::min)(len, decompress_buffer_.size());
std::memcpy(buf, decompress_buffer_.data(), to_copy);
decompress_offset_ = to_copy;
return static_cast<ssize_t>(to_copy);
}
inline void ClientImpl::StreamHandle::parse_trailers_if_needed() {
if (!response || !stream_ || !body_reader_.chunked || trailers_parsed_) {
return;
}
trailers_parsed_ = true;
const auto bufsiz = 128;
char line_buf[bufsiz];
detail::stream_line_reader line_reader(*stream_, line_buf, bufsiz);
if (!line_reader.getline()) { return; }
if (!detail::parse_trailers(line_reader, response->trailers,
response->headers)) {
return;
}
}
namespace detail {
inline ChunkedDecoder::ChunkedDecoder(Stream &s) : strm(s) {}
inline ssize_t ChunkedDecoder::read_payload(char *buf, size_t len,
size_t &out_chunk_offset,
size_t &out_chunk_total) {
if (finished) { return 0; }
if (chunk_remaining == 0) {
stream_line_reader lr(strm, line_buf, sizeof(line_buf));
if (!lr.getline()) { return -1; }
char *endptr = nullptr;
unsigned long chunk_len = std::strtoul(lr.ptr(), &endptr, 16);
if (endptr == lr.ptr()) { return -1; }
if (chunk_len == ULONG_MAX) { return -1; }
if (chunk_len == 0) {
chunk_remaining = 0;
finished = true;
out_chunk_offset = 0;
out_chunk_total = 0;
return 0;
}
chunk_remaining = static_cast<size_t>(chunk_len);
last_chunk_total = chunk_remaining;
last_chunk_offset = 0;
}
auto to_read = (std::min)(chunk_remaining, len);
auto n = strm.read(buf, to_read);
if (n <= 0) { return -1; }
auto offset_before = last_chunk_offset;
last_chunk_offset += static_cast<size_t>(n);
chunk_remaining -= static_cast<size_t>(n);
out_chunk_offset = offset_before;
out_chunk_total = last_chunk_total;
if (chunk_remaining == 0) {
stream_line_reader lr(strm, line_buf, sizeof(line_buf));
if (!lr.getline()) { return -1; }
if (std::strcmp(lr.ptr(), "\r\n") != 0) { return -1; }
}
return n;
}
inline bool ChunkedDecoder::parse_trailers_into(Headers &dest,
const Headers &src_headers) {
stream_line_reader lr(strm, line_buf, sizeof(line_buf));
if (!lr.getline()) { return false; }
return parse_trailers(lr, dest, src_headers);
}
}
inline void
ClientImpl::transfer_socket_ownership_to_handle(StreamHandle &handle) {
handle.connection_->sock = socket_.sock;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
handle.connection_->ssl = socket_.ssl;
socket_.ssl = nullptr;
#endif
socket_.sock = INVALID_SOCKET;
}
inline bool ClientImpl::handle_request(Stream &strm, Request &req,
Response &res, bool close_connection,
Error &error) {
if (req.path.empty()) {
error = Error::Connection;
output_error_log(error, &req);
return false;
}
auto req_save = req;
bool ret;
if (!is_ssl() && !proxy_host_.empty() && proxy_port_ != -1) {
auto req2 = req;
req2.path = "http://" + host_and_port_ + req.path;
ret = process_request(strm, req2, res, close_connection, error);
req = req2;
req.path = req_save.path;
} else {
ret = process_request(strm, req, res, close_connection, error);
}
if (!ret) { return false; }
if (res.get_header_value("Connection") == "close" ||
(res.version == "HTTP/1.0" && res.reason != "Connection established")) {
std::lock_guard<std::mutex> guard(socket_mutex_);
shutdown_ssl(socket_, true);
shutdown_socket(socket_);
close_socket(socket_);
}
if (300 < res.status && res.status < 400 && follow_location_) {
req = req_save;
ret = redirect(req, res, error);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if ((res.status == StatusCode::Unauthorized_401 ||
res.status == StatusCode::ProxyAuthenticationRequired_407) &&
req.authorization_count_ < 5) {
auto is_proxy = res.status == StatusCode::ProxyAuthenticationRequired_407;
const auto &username =
is_proxy ? proxy_digest_auth_username_ : digest_auth_username_;
const auto &password =
is_proxy ? proxy_digest_auth_password_ : digest_auth_password_;
if (!username.empty() && !password.empty()) {
std::map<std::string, std::string> auth;
if (detail::parse_www_authenticate(res, auth, is_proxy)) {
Request new_req = req;
new_req.authorization_count_ += 1;
new_req.headers.erase(is_proxy ? "Proxy-Authorization"
: "Authorization");
new_req.headers.insert(detail::make_digest_authentication_header(
req, auth, new_req.authorization_count_, detail::random_string(10),
username, password, is_proxy));
Response new_res;
ret = send(new_req, new_res, error);
if (ret) { res = new_res; }
}
}
}
#endif
return ret;
}
inline bool ClientImpl::redirect(Request &req, Response &res, Error &error) {
if (req.redirect_count_ == 0) {
error = Error::ExceedRedirectCount;
output_error_log(error, &req);
return false;
}
auto location = res.get_header_value("location");
if (location.empty()) { return false; }
thread_local const std::regex re(
R"((?:(https?):)?(?://(?:\[([a-fA-F\d:]+)\]|([^:/?#]+))(?::(\d+))?)?([^?#]*)(\?[^#]*)?(?:#.*)?)");
std::smatch m;
if (!std::regex_match(location, m, re)) { return false; }
auto scheme = is_ssl() ? "https" : "http";
auto next_scheme = m[1].str();
auto next_host = m[2].str();
if (next_host.empty()) { next_host = m[3].str(); }
auto port_str = m[4].str();
auto next_path = m[5].str();
auto next_query = m[6].str();
auto next_port = port_;
if (!port_str.empty()) {
next_port = std::stoi(port_str);
} else if (!next_scheme.empty()) {
next_port = next_scheme == "https" ? 443 : 80;
}
if (next_scheme.empty()) { next_scheme = scheme; }
if (next_host.empty()) { next_host = host_; }
if (next_path.empty()) { next_path = "/"; }
auto path = decode_query_component(next_path, true) + next_query;
if (next_scheme == scheme && next_host == host_ && next_port == port_) {
return detail::redirect(*this, req, res, path, location, error);
}
return create_redirect_client(next_scheme, next_host, next_port, req, res,
path, location, error);
}
inline bool ClientImpl::create_redirect_client(
const std::string &scheme, const std::string &host, int port, Request &req,
Response &res, const std::string &path, const std::string &location,
Error &error) {
auto need_ssl = (scheme == "https");
auto headers_to_remove =
std::vector<std::string>{"Host", "Proxy-Authorization", "Authorization"};
for (const auto &header_name : headers_to_remove) {
auto it = req.headers.find(header_name);
while (it != req.headers.end()) {
it = req.headers.erase(it);
it = req.headers.find(header_name);
}
}
if (need_ssl) {
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
SSLClient redirect_client(host, port);
setup_redirect_client(redirect_client);
if (!proxy_host_.empty() && proxy_port_ != -1) {
redirect_client.enable_server_certificate_verification(false);
redirect_client.enable_server_hostname_verification(false);
} else {
redirect_client.enable_server_certificate_verification(
server_certificate_verification_);
redirect_client.enable_server_hostname_verification(
server_hostname_verification_);
}
if (ca_cert_store_ && X509_STORE_up_ref(ca_cert_store_)) {
redirect_client.set_ca_cert_store(ca_cert_store_);
}
if (!ca_cert_file_path_.empty()) {
redirect_client.set_ca_cert_path(ca_cert_file_path_, ca_cert_dir_path_);
}
return detail::redirect(redirect_client, req, res, path, location, error);
#else
error = Error::SSLConnection;
output_error_log(error, &req);
return false;
#endif
} else {
ClientImpl redirect_client(host, port);
setup_redirect_client(redirect_client);
return detail::redirect(redirect_client, req, res, path, location, error);
}
}
template <typename ClientType>
inline void ClientImpl::setup_redirect_client(ClientType &client) {
client.set_connection_timeout(connection_timeout_sec_);
client.set_read_timeout(read_timeout_sec_, read_timeout_usec_);
client.set_write_timeout(write_timeout_sec_, write_timeout_usec_);
client.set_keep_alive(keep_alive_);
client.set_follow_location(
true); client.set_path_encode(path_encode_);
client.set_compress(compress_);
client.set_decompress(decompress_);
if (!basic_auth_username_.empty()) {
client.set_basic_auth(basic_auth_username_, basic_auth_password_);
}
if (!bearer_token_auth_token_.empty()) {
client.set_bearer_token_auth(bearer_token_auth_token_);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (!digest_auth_username_.empty()) {
client.set_digest_auth(digest_auth_username_, digest_auth_password_);
}
#endif
if (!proxy_host_.empty() && proxy_port_ != -1) {
client.set_proxy(proxy_host_, proxy_port_);
if (!proxy_basic_auth_username_.empty()) {
client.set_proxy_basic_auth(proxy_basic_auth_username_,
proxy_basic_auth_password_);
}
if (!proxy_bearer_token_auth_token_.empty()) {
client.set_proxy_bearer_token_auth(proxy_bearer_token_auth_token_);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (!proxy_digest_auth_username_.empty()) {
client.set_proxy_digest_auth(proxy_digest_auth_username_,
proxy_digest_auth_password_);
}
#endif
}
client.set_address_family(address_family_);
client.set_tcp_nodelay(tcp_nodelay_);
client.set_ipv6_v6only(ipv6_v6only_);
if (socket_options_) { client.set_socket_options(socket_options_); }
if (!interface_.empty()) { client.set_interface(interface_); }
if (logger_) { client.set_logger(logger_); }
if (error_logger_) { client.set_error_logger(error_logger_); }
}
inline bool ClientImpl::write_content_with_provider(Stream &strm,
const Request &req,
Error &error) const {
auto is_shutting_down = []() { return false; };
if (req.is_chunked_content_provider_) {
std::unique_ptr<detail::compressor> compressor;
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
if (compress_) {
compressor = detail::make_unique<detail::gzip_compressor>();
} else
#endif
{
compressor = detail::make_unique<detail::nocompressor>();
}
return detail::write_content_chunked(strm, req.content_provider_,
is_shutting_down, *compressor, error);
} else {
return detail::write_content_with_progress(
strm, req.content_provider_, 0, req.content_length_, is_shutting_down,
req.upload_progress, error);
}
}
inline bool ClientImpl::write_request(Stream &strm, Request &req,
bool close_connection, Error &error) {
if (close_connection) {
if (!req.has_header("Connection")) {
req.set_header("Connection", "close");
}
}
std::string ct_for_defaults;
if (!req.has_header("Content-Type") && !req.body.empty()) {
ct_for_defaults = "text/plain";
}
prepare_default_headers(req, false, ct_for_defaults);
if (req.body.empty()) {
if (req.content_provider_) {
if (!req.is_chunked_content_provider_) {
if (!req.has_header("Content-Length")) {
auto length = std::to_string(req.content_length_);
req.set_header("Content-Length", length);
}
}
} else {
if (req.method == "POST" || req.method == "PUT" ||
req.method == "PATCH") {
req.set_header("Content-Length", "0");
}
}
}
if (!basic_auth_password_.empty() || !basic_auth_username_.empty()) {
if (!req.has_header("Authorization")) {
req.headers.insert(make_basic_authentication_header(
basic_auth_username_, basic_auth_password_, false));
}
}
if (!proxy_basic_auth_username_.empty() &&
!proxy_basic_auth_password_.empty()) {
if (!req.has_header("Proxy-Authorization")) {
req.headers.insert(make_basic_authentication_header(
proxy_basic_auth_username_, proxy_basic_auth_password_, true));
}
}
if (!bearer_token_auth_token_.empty()) {
if (!req.has_header("Authorization")) {
req.headers.insert(make_bearer_token_authentication_header(
bearer_token_auth_token_, false));
}
}
if (!proxy_bearer_token_auth_token_.empty()) {
if (!req.has_header("Proxy-Authorization")) {
req.headers.insert(make_bearer_token_authentication_header(
proxy_bearer_token_auth_token_, true));
}
}
{
detail::BufferStream bstrm;
std::string path_part, query_part;
auto query_pos = req.path.find('?');
if (query_pos != std::string::npos) {
path_part = req.path.substr(0, query_pos);
query_part = req.path.substr(query_pos + 1);
} else {
path_part = req.path;
query_part = "";
}
auto path_with_query =
path_encode_ ? detail::encode_path(path_part) : path_part;
detail::parse_query_text(query_part, req.params);
if (!req.params.empty()) {
path_with_query = append_query_params(path_with_query, req.params);
}
detail::write_request_line(bstrm, req.method, path_with_query);
header_writer_(bstrm, req.headers);
auto &data = bstrm.get_buffer();
if (!detail::write_data(strm, data.data(), data.size())) {
error = Error::Write;
output_error_log(error, &req);
return false;
}
}
if (req.body.empty()) {
return write_content_with_provider(strm, req, error);
}
if (req.upload_progress) {
auto body_size = req.body.size();
size_t written = 0;
auto data = req.body.data();
while (written < body_size) {
size_t to_write = (std::min)(CPPHTTPLIB_SEND_BUFSIZ, body_size - written);
if (!detail::write_data(strm, data + written, to_write)) {
error = Error::Write;
output_error_log(error, &req);
return false;
}
written += to_write;
if (!req.upload_progress(written, body_size)) {
error = Error::Canceled;
output_error_log(error, &req);
return false;
}
}
} else {
if (!detail::write_data(strm, req.body.data(), req.body.size())) {
error = Error::Write;
output_error_log(error, &req);
return false;
}
}
return true;
}
inline std::unique_ptr<Response>
ClientImpl::send_with_content_provider_and_receiver(
Request &req, const char *body, size_t content_length,
ContentProvider content_provider,
ContentProviderWithoutLength content_provider_without_length,
const std::string &content_type, ContentReceiver content_receiver,
Error &error) {
if (!content_type.empty()) { req.set_header("Content-Type", content_type); }
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
if (compress_) { req.set_header("Content-Encoding", "gzip"); }
#endif
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
if (compress_ && !content_provider_without_length) {
detail::gzip_compressor compressor;
if (content_provider) {
auto ok = true;
size_t offset = 0;
DataSink data_sink;
data_sink.write = [&](const char *data, size_t data_len) -> bool {
if (ok) {
auto last = offset + data_len == content_length;
auto ret = compressor.compress(
data, data_len, last,
[&](const char *compressed_data, size_t compressed_data_len) {
req.body.append(compressed_data, compressed_data_len);
return true;
});
if (ret) {
offset += data_len;
} else {
ok = false;
}
}
return ok;
};
while (ok && offset < content_length) {
if (!content_provider(offset, content_length - offset, data_sink)) {
error = Error::Canceled;
output_error_log(error, &req);
return nullptr;
}
}
} else {
if (!compressor.compress(body, content_length, true,
[&](const char *data, size_t data_len) {
req.body.append(data, data_len);
return true;
})) {
error = Error::Compression;
output_error_log(error, &req);
return nullptr;
}
}
} else
#endif
{
if (content_provider) {
req.content_length_ = content_length;
req.content_provider_ = std::move(content_provider);
req.is_chunked_content_provider_ = false;
} else if (content_provider_without_length) {
req.content_length_ = 0;
req.content_provider_ = detail::ContentProviderAdapter(
std::move(content_provider_without_length));
req.is_chunked_content_provider_ = true;
req.set_header("Transfer-Encoding", "chunked");
} else {
req.body.assign(body, content_length);
}
}
if (content_receiver) {
req.content_receiver =
[content_receiver](const char *data, size_t data_length,
size_t , size_t ) {
return content_receiver(data, data_length);
};
}
auto res = detail::make_unique<Response>();
return send(req, *res, error) ? std::move(res) : nullptr;
}
inline Result ClientImpl::send_with_content_provider_and_receiver(
const std::string &method, const std::string &path, const Headers &headers,
const char *body, size_t content_length, ContentProvider content_provider,
ContentProviderWithoutLength content_provider_without_length,
const std::string &content_type, ContentReceiver content_receiver,
UploadProgress progress) {
Request req;
req.method = method;
req.headers = headers;
req.path = path;
req.upload_progress = std::move(progress);
if (max_timeout_msec_ > 0) {
req.start_time_ = std::chrono::steady_clock::now();
}
auto error = Error::Success;
auto res = send_with_content_provider_and_receiver(
req, body, content_length, std::move(content_provider),
std::move(content_provider_without_length), content_type,
std::move(content_receiver), error);
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
return Result{std::move(res), error, std::move(req.headers), last_ssl_error_,
last_openssl_error_};
#else
return Result{std::move(res), error, std::move(req.headers)};
#endif
}
inline void ClientImpl::output_log(const Request &req,
const Response &res) const {
if (logger_) {
std::lock_guard<std::mutex> guard(logger_mutex_);
logger_(req, res);
}
}
inline void ClientImpl::output_error_log(const Error &err,
const Request *req) const {
if (error_logger_) {
std::lock_guard<std::mutex> guard(logger_mutex_);
error_logger_(err, req);
}
}
inline bool ClientImpl::process_request(Stream &strm, Request &req,
Response &res, bool close_connection,
Error &error) {
if (!write_request(strm, req, close_connection, error)) { return false; }
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (is_ssl()) {
auto is_proxy_enabled = !proxy_host_.empty() && proxy_port_ != -1;
if (!is_proxy_enabled) {
if (detail::is_ssl_peer_could_be_closed(socket_.ssl, socket_.sock)) {
error = Error::SSLPeerCouldBeClosed_;
output_error_log(error, &req);
return false;
}
}
}
#endif
if (!read_response_line(strm, req, res) ||
!detail::read_headers(strm, res.headers)) {
error = Error::Read;
output_error_log(error, &req);
return false;
}
if ((res.status != StatusCode::NoContent_204) && req.method != "HEAD" &&
req.method != "CONNECT") {
auto redirect = 300 < res.status && res.status < 400 &&
res.status != StatusCode::NotModified_304 &&
follow_location_;
if (req.response_handler && !redirect) {
if (!req.response_handler(res)) {
error = Error::Canceled;
output_error_log(error, &req);
return false;
}
}
auto out =
req.content_receiver
? static_cast<ContentReceiverWithProgress>(
[&](const char *buf, size_t n, size_t off, size_t len) {
if (redirect) { return true; }
auto ret = req.content_receiver(buf, n, off, len);
if (!ret) {
error = Error::Canceled;
output_error_log(error, &req);
}
return ret;
})
: static_cast<ContentReceiverWithProgress>(
[&](const char *buf, size_t n, size_t ,
size_t ) {
assert(res.body.size() + n <= res.body.max_size());
res.body.append(buf, n);
return true;
});
auto progress = [&](size_t current, size_t total) {
if (!req.download_progress || redirect) { return true; }
auto ret = req.download_progress(current, total);
if (!ret) {
error = Error::Canceled;
output_error_log(error, &req);
}
return ret;
};
if (res.has_header("Content-Length")) {
if (!req.content_receiver) {
auto len = res.get_header_value_u64("Content-Length");
if (len > res.body.max_size()) {
error = Error::Read;
output_error_log(error, &req);
return false;
}
res.body.reserve(static_cast<size_t>(len));
}
}
if (res.status != StatusCode::NotModified_304) {
int dummy_status;
if (!detail::read_content(strm, res, (std::numeric_limits<size_t>::max)(),
dummy_status, std::move(progress),
std::move(out), decompress_)) {
if (error != Error::Canceled) { error = Error::Read; }
output_error_log(error, &req);
return false;
}
}
}
output_log(req, res);
return true;
}
inline ContentProviderWithoutLength ClientImpl::get_multipart_content_provider(
const std::string &boundary, const UploadFormDataItems &items,
const FormDataProviderItems &provider_items) const {
size_t cur_item = 0;
size_t cur_start = 0;
return [&, cur_item, cur_start](size_t offset,
DataSink &sink) mutable -> bool {
if (!offset && !items.empty()) {
sink.os << detail::serialize_multipart_formdata(items, boundary, false);
return true;
} else if (cur_item < provider_items.size()) {
if (!cur_start) {
const auto &begin = detail::serialize_multipart_formdata_item_begin(
provider_items[cur_item], boundary);
offset += begin.size();
cur_start = offset;
sink.os << begin;
}
DataSink cur_sink;
auto has_data = true;
cur_sink.write = sink.write;
cur_sink.done = [&]() { has_data = false; };
if (!provider_items[cur_item].provider(offset - cur_start, cur_sink)) {
return false;
}
if (!has_data) {
sink.os << detail::serialize_multipart_formdata_item_end();
cur_item++;
cur_start = 0;
}
return true;
} else {
sink.os << detail::serialize_multipart_formdata_finish(boundary);
sink.done();
return true;
}
};
}
inline bool ClientImpl::process_socket(
const Socket &socket,
std::chrono::time_point<std::chrono::steady_clock> start_time,
std::function<bool(Stream &strm)> callback) {
return detail::process_client_socket(
socket.sock, read_timeout_sec_, read_timeout_usec_, write_timeout_sec_,
write_timeout_usec_, max_timeout_msec_, start_time, std::move(callback));
}
inline bool ClientImpl::is_ssl() const { return false; }
inline Result ClientImpl::Get(const std::string &path,
DownloadProgress progress) {
return Get(path, Headers(), std::move(progress));
}
inline Result ClientImpl::Get(const std::string &path, const Params ¶ms,
const Headers &headers,
DownloadProgress progress) {
if (params.empty()) { return Get(path, headers); }
std::string path_with_query = append_query_params(path, params);
return Get(path_with_query, headers, std::move(progress));
}
inline Result ClientImpl::Get(const std::string &path, const Headers &headers,
DownloadProgress progress) {
Request req;
req.method = "GET";
req.path = path;
req.headers = headers;
req.download_progress = std::move(progress);
if (max_timeout_msec_ > 0) {
req.start_time_ = std::chrono::steady_clock::now();
}
return send_(std::move(req));
}
inline Result ClientImpl::Get(const std::string &path,
ContentReceiver content_receiver,
DownloadProgress progress) {
return Get(path, Headers(), nullptr, std::move(content_receiver),
std::move(progress));
}
inline Result ClientImpl::Get(const std::string &path, const Headers &headers,
ContentReceiver content_receiver,
DownloadProgress progress) {
return Get(path, headers, nullptr, std::move(content_receiver),
std::move(progress));
}
inline Result ClientImpl::Get(const std::string &path,
ResponseHandler response_handler,
ContentReceiver content_receiver,
DownloadProgress progress) {
return Get(path, Headers(), std::move(response_handler),
std::move(content_receiver), std::move(progress));
}
inline Result ClientImpl::Get(const std::string &path, const Headers &headers,
ResponseHandler response_handler,
ContentReceiver content_receiver,
DownloadProgress progress) {
Request req;
req.method = "GET";
req.path = path;
req.headers = headers;
req.response_handler = std::move(response_handler);
req.content_receiver =
[content_receiver](const char *data, size_t data_length,
size_t , size_t ) {
return content_receiver(data, data_length);
};
req.download_progress = std::move(progress);
if (max_timeout_msec_ > 0) {
req.start_time_ = std::chrono::steady_clock::now();
}
return send_(std::move(req));
}
inline Result ClientImpl::Get(const std::string &path, const Params ¶ms,
const Headers &headers,
ContentReceiver content_receiver,
DownloadProgress progress) {
return Get(path, params, headers, nullptr, std::move(content_receiver),
std::move(progress));
}
inline Result ClientImpl::Get(const std::string &path, const Params ¶ms,
const Headers &headers,
ResponseHandler response_handler,
ContentReceiver content_receiver,
DownloadProgress progress) {
if (params.empty()) {
return Get(path, headers, std::move(response_handler),
std::move(content_receiver), std::move(progress));
}
std::string path_with_query = append_query_params(path, params);
return Get(path_with_query, headers, std::move(response_handler),
std::move(content_receiver), std::move(progress));
}
inline Result ClientImpl::Head(const std::string &path) {
return Head(path, Headers());
}
inline Result ClientImpl::Head(const std::string &path,
const Headers &headers) {
Request req;
req.method = "HEAD";
req.headers = headers;
req.path = path;
if (max_timeout_msec_ > 0) {
req.start_time_ = std::chrono::steady_clock::now();
}
return send_(std::move(req));
}
inline Result ClientImpl::Post(const std::string &path) {
return Post(path, std::string(), std::string());
}
inline Result ClientImpl::Post(const std::string &path,
const Headers &headers) {
return Post(path, headers, nullptr, 0, std::string());
}
inline Result ClientImpl::Post(const std::string &path, const char *body,
size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return Post(path, Headers(), body, content_length, content_type, progress);
}
inline Result ClientImpl::Post(const std::string &path, const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return Post(path, Headers(), body, content_type, progress);
}
inline Result ClientImpl::Post(const std::string &path, const Params ¶ms) {
return Post(path, Headers(), params);
}
inline Result ClientImpl::Post(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return Post(path, Headers(), content_length, std::move(content_provider),
content_type, progress);
}
inline Result ClientImpl::Post(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return Post(path, Headers(), content_length, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result ClientImpl::Post(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return Post(path, Headers(), std::move(content_provider), content_type,
progress);
}
inline Result ClientImpl::Post(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return Post(path, Headers(), std::move(content_provider), content_type,
std::move(content_receiver), progress);
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
const Params ¶ms) {
auto query = detail::params_to_query_str(params);
return Post(path, headers, query, "application/x-www-form-urlencoded");
}
inline Result ClientImpl::Post(const std::string &path,
const UploadFormDataItems &items,
UploadProgress progress) {
return Post(path, Headers(), items, progress);
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
UploadProgress progress) {
const auto &boundary = detail::make_multipart_data_boundary();
const auto &content_type =
detail::serialize_multipart_formdata_get_content_type(boundary);
const auto &body = detail::serialize_multipart_formdata(items, boundary);
return Post(path, headers, body, content_type, progress);
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const std::string &boundary,
UploadProgress progress) {
if (!detail::is_multipart_boundary_chars_valid(boundary)) {
return Result{nullptr, Error::UnsupportedMultipartBoundaryChars};
}
const auto &content_type =
detail::serialize_multipart_formdata_get_content_type(boundary);
const auto &body = detail::serialize_multipart_formdata(items, boundary);
return Post(path, headers, body, content_type, progress);
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
const char *body, size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"POST", path, headers, body, content_length, nullptr, nullptr,
content_type, nullptr, progress);
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"POST", path, headers, body.data(), body.size(), nullptr, nullptr,
content_type, nullptr, progress);
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"POST", path, headers, nullptr, content_length,
std::move(content_provider), nullptr, content_type, nullptr, progress);
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
return send_with_content_provider_and_receiver(
"POST", path, headers, nullptr, content_length,
std::move(content_provider), nullptr, content_type,
std::move(content_receiver), std::move(progress));
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"POST", path, headers, nullptr, 0, nullptr, std::move(content_provider),
content_type, nullptr, progress);
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
return send_with_content_provider_and_receiver(
"POST", path, headers, nullptr, 0, nullptr, std::move(content_provider),
content_type, std::move(content_receiver), std::move(progress));
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const FormDataProviderItems &provider_items,
UploadProgress progress) {
const auto &boundary = detail::make_multipart_data_boundary();
const auto &content_type =
detail::serialize_multipart_formdata_get_content_type(boundary);
return send_with_content_provider_and_receiver(
"POST", path, headers, nullptr, 0, nullptr,
get_multipart_content_provider(boundary, items, provider_items),
content_type, nullptr, progress);
}
inline Result ClientImpl::Post(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
Request req;
req.method = "POST";
req.path = path;
req.headers = headers;
req.body = body;
req.content_receiver =
[content_receiver](const char *data, size_t data_length,
size_t , size_t ) {
return content_receiver(data, data_length);
};
req.download_progress = std::move(progress);
if (max_timeout_msec_ > 0) {
req.start_time_ = std::chrono::steady_clock::now();
}
if (!content_type.empty()) { req.set_header("Content-Type", content_type); }
return send_(std::move(req));
}
inline Result ClientImpl::Put(const std::string &path) {
return Put(path, std::string(), std::string());
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers) {
return Put(path, headers, nullptr, 0, std::string());
}
inline Result ClientImpl::Put(const std::string &path, const char *body,
size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return Put(path, Headers(), body, content_length, content_type, progress);
}
inline Result ClientImpl::Put(const std::string &path, const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return Put(path, Headers(), body, content_type, progress);
}
inline Result ClientImpl::Put(const std::string &path, const Params ¶ms) {
return Put(path, Headers(), params);
}
inline Result ClientImpl::Put(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return Put(path, Headers(), content_length, std::move(content_provider),
content_type, progress);
}
inline Result ClientImpl::Put(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return Put(path, Headers(), content_length, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result ClientImpl::Put(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return Put(path, Headers(), std::move(content_provider), content_type,
progress);
}
inline Result ClientImpl::Put(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return Put(path, Headers(), std::move(content_provider), content_type,
std::move(content_receiver), progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
const Params ¶ms) {
auto query = detail::params_to_query_str(params);
return Put(path, headers, query, "application/x-www-form-urlencoded");
}
inline Result ClientImpl::Put(const std::string &path,
const UploadFormDataItems &items,
UploadProgress progress) {
return Put(path, Headers(), items, progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
UploadProgress progress) {
const auto &boundary = detail::make_multipart_data_boundary();
const auto &content_type =
detail::serialize_multipart_formdata_get_content_type(boundary);
const auto &body = detail::serialize_multipart_formdata(items, boundary);
return Put(path, headers, body, content_type, progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const std::string &boundary,
UploadProgress progress) {
if (!detail::is_multipart_boundary_chars_valid(boundary)) {
return Result{nullptr, Error::UnsupportedMultipartBoundaryChars};
}
const auto &content_type =
detail::serialize_multipart_formdata_get_content_type(boundary);
const auto &body = detail::serialize_multipart_formdata(items, boundary);
return Put(path, headers, body, content_type, progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
const char *body, size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PUT", path, headers, body, content_length, nullptr, nullptr,
content_type, nullptr, progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PUT", path, headers, body.data(), body.size(), nullptr, nullptr,
content_type, nullptr, progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PUT", path, headers, nullptr, content_length,
std::move(content_provider), nullptr, content_type, nullptr, progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PUT", path, headers, nullptr, content_length,
std::move(content_provider), nullptr, content_type,
std::move(content_receiver), progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PUT", path, headers, nullptr, 0, nullptr, std::move(content_provider),
content_type, nullptr, progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PUT", path, headers, nullptr, 0, nullptr, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const FormDataProviderItems &provider_items,
UploadProgress progress) {
const auto &boundary = detail::make_multipart_data_boundary();
const auto &content_type =
detail::serialize_multipart_formdata_get_content_type(boundary);
return send_with_content_provider_and_receiver(
"PUT", path, headers, nullptr, 0, nullptr,
get_multipart_content_provider(boundary, items, provider_items),
content_type, nullptr, progress);
}
inline Result ClientImpl::Put(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
Request req;
req.method = "PUT";
req.path = path;
req.headers = headers;
req.body = body;
req.content_receiver =
[content_receiver](const char *data, size_t data_length,
size_t , size_t ) {
return content_receiver(data, data_length);
};
req.download_progress = std::move(progress);
if (max_timeout_msec_ > 0) {
req.start_time_ = std::chrono::steady_clock::now();
}
if (!content_type.empty()) { req.set_header("Content-Type", content_type); }
return send_(std::move(req));
}
inline Result ClientImpl::Patch(const std::string &path) {
return Patch(path, std::string(), std::string());
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
UploadProgress progress) {
return Patch(path, headers, nullptr, 0, std::string(), progress);
}
inline Result ClientImpl::Patch(const std::string &path, const char *body,
size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return Patch(path, Headers(), body, content_length, content_type, progress);
}
inline Result ClientImpl::Patch(const std::string &path,
const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return Patch(path, Headers(), body, content_type, progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Params ¶ms) {
return Patch(path, Headers(), params);
}
inline Result ClientImpl::Patch(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return Patch(path, Headers(), content_length, std::move(content_provider),
content_type, progress);
}
inline Result ClientImpl::Patch(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return Patch(path, Headers(), content_length, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result ClientImpl::Patch(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return Patch(path, Headers(), std::move(content_provider), content_type,
progress);
}
inline Result ClientImpl::Patch(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return Patch(path, Headers(), std::move(content_provider), content_type,
std::move(content_receiver), progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
const Params ¶ms) {
auto query = detail::params_to_query_str(params);
return Patch(path, headers, query, "application/x-www-form-urlencoded");
}
inline Result ClientImpl::Patch(const std::string &path,
const UploadFormDataItems &items,
UploadProgress progress) {
return Patch(path, Headers(), items, progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
UploadProgress progress) {
const auto &boundary = detail::make_multipart_data_boundary();
const auto &content_type =
detail::serialize_multipart_formdata_get_content_type(boundary);
const auto &body = detail::serialize_multipart_formdata(items, boundary);
return Patch(path, headers, body, content_type, progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const std::string &boundary,
UploadProgress progress) {
if (!detail::is_multipart_boundary_chars_valid(boundary)) {
return Result{nullptr, Error::UnsupportedMultipartBoundaryChars};
}
const auto &content_type =
detail::serialize_multipart_formdata_get_content_type(boundary);
const auto &body = detail::serialize_multipart_formdata(items, boundary);
return Patch(path, headers, body, content_type, progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
const char *body, size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PATCH", path, headers, body, content_length, nullptr, nullptr,
content_type, nullptr, progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PATCH", path, headers, body.data(), body.size(), nullptr, nullptr,
content_type, nullptr, progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PATCH", path, headers, nullptr, content_length,
std::move(content_provider), nullptr, content_type, nullptr, progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PATCH", path, headers, nullptr, content_length,
std::move(content_provider), nullptr, content_type,
std::move(content_receiver), progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PATCH", path, headers, nullptr, 0, nullptr, std::move(content_provider),
content_type, nullptr, progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return send_with_content_provider_and_receiver(
"PATCH", path, headers, nullptr, 0, nullptr, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const FormDataProviderItems &provider_items,
UploadProgress progress) {
const auto &boundary = detail::make_multipart_data_boundary();
const auto &content_type =
detail::serialize_multipart_formdata_get_content_type(boundary);
return send_with_content_provider_and_receiver(
"PATCH", path, headers, nullptr, 0, nullptr,
get_multipart_content_provider(boundary, items, provider_items),
content_type, nullptr, progress);
}
inline Result ClientImpl::Patch(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
Request req;
req.method = "PATCH";
req.path = path;
req.headers = headers;
req.body = body;
req.content_receiver =
[content_receiver](const char *data, size_t data_length,
size_t , size_t ) {
return content_receiver(data, data_length);
};
req.download_progress = std::move(progress);
if (max_timeout_msec_ > 0) {
req.start_time_ = std::chrono::steady_clock::now();
}
if (!content_type.empty()) { req.set_header("Content-Type", content_type); }
return send_(std::move(req));
}
inline Result ClientImpl::Delete(const std::string &path,
DownloadProgress progress) {
return Delete(path, Headers(), std::string(), std::string(), progress);
}
inline Result ClientImpl::Delete(const std::string &path,
const Headers &headers,
DownloadProgress progress) {
return Delete(path, headers, std::string(), std::string(), progress);
}
inline Result ClientImpl::Delete(const std::string &path, const char *body,
size_t content_length,
const std::string &content_type,
DownloadProgress progress) {
return Delete(path, Headers(), body, content_length, content_type, progress);
}
inline Result ClientImpl::Delete(const std::string &path,
const std::string &body,
const std::string &content_type,
DownloadProgress progress) {
return Delete(path, Headers(), body.data(), body.size(), content_type,
progress);
}
inline Result ClientImpl::Delete(const std::string &path,
const Headers &headers,
const std::string &body,
const std::string &content_type,
DownloadProgress progress) {
return Delete(path, headers, body.data(), body.size(), content_type,
progress);
}
inline Result ClientImpl::Delete(const std::string &path, const Params ¶ms,
DownloadProgress progress) {
return Delete(path, Headers(), params, progress);
}
inline Result ClientImpl::Delete(const std::string &path,
const Headers &headers, const Params ¶ms,
DownloadProgress progress) {
auto query = detail::params_to_query_str(params);
return Delete(path, headers, query, "application/x-www-form-urlencoded",
progress);
}
inline Result ClientImpl::Delete(const std::string &path,
const Headers &headers, const char *body,
size_t content_length,
const std::string &content_type,
DownloadProgress progress) {
Request req;
req.method = "DELETE";
req.headers = headers;
req.path = path;
req.download_progress = std::move(progress);
if (max_timeout_msec_ > 0) {
req.start_time_ = std::chrono::steady_clock::now();
}
if (!content_type.empty()) { req.set_header("Content-Type", content_type); }
req.body.assign(body, content_length);
return send_(std::move(req));
}
inline Result ClientImpl::Options(const std::string &path) {
return Options(path, Headers());
}
inline Result ClientImpl::Options(const std::string &path,
const Headers &headers) {
Request req;
req.method = "OPTIONS";
req.headers = headers;
req.path = path;
if (max_timeout_msec_ > 0) {
req.start_time_ = std::chrono::steady_clock::now();
}
return send_(std::move(req));
}
inline void ClientImpl::stop() {
std::lock_guard<std::mutex> guard(socket_mutex_);
if (socket_requests_in_flight_ > 0) {
shutdown_socket(socket_);
socket_should_be_closed_when_request_is_done_ = true;
return;
}
shutdown_ssl(socket_, true);
shutdown_socket(socket_);
close_socket(socket_);
}
inline std::string ClientImpl::host() const { return host_; }
inline int ClientImpl::port() const { return port_; }
inline size_t ClientImpl::is_socket_open() const {
std::lock_guard<std::mutex> guard(socket_mutex_);
return socket_.is_open();
}
inline socket_t ClientImpl::socket() const { return socket_.sock; }
inline void ClientImpl::set_connection_timeout(time_t sec, time_t usec) {
connection_timeout_sec_ = sec;
connection_timeout_usec_ = usec;
}
inline void ClientImpl::set_read_timeout(time_t sec, time_t usec) {
read_timeout_sec_ = sec;
read_timeout_usec_ = usec;
}
inline void ClientImpl::set_write_timeout(time_t sec, time_t usec) {
write_timeout_sec_ = sec;
write_timeout_usec_ = usec;
}
inline void ClientImpl::set_max_timeout(time_t msec) {
max_timeout_msec_ = msec;
}
inline void ClientImpl::set_basic_auth(const std::string &username,
const std::string &password) {
basic_auth_username_ = username;
basic_auth_password_ = password;
}
inline void ClientImpl::set_bearer_token_auth(const std::string &token) {
bearer_token_auth_token_ = token;
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
inline void ClientImpl::set_digest_auth(const std::string &username,
const std::string &password) {
digest_auth_username_ = username;
digest_auth_password_ = password;
}
#endif
inline void ClientImpl::set_keep_alive(bool on) { keep_alive_ = on; }
inline void ClientImpl::set_follow_location(bool on) { follow_location_ = on; }
inline void ClientImpl::set_path_encode(bool on) { path_encode_ = on; }
inline void
ClientImpl::set_hostname_addr_map(std::map<std::string, std::string> addr_map) {
addr_map_ = std::move(addr_map);
}
inline void ClientImpl::set_default_headers(Headers headers) {
default_headers_ = std::move(headers);
}
inline void ClientImpl::set_header_writer(
std::function<ssize_t(Stream &, Headers &)> const &writer) {
header_writer_ = writer;
}
inline void ClientImpl::set_address_family(int family) {
address_family_ = family;
}
inline void ClientImpl::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; }
inline void ClientImpl::set_ipv6_v6only(bool on) { ipv6_v6only_ = on; }
inline void ClientImpl::set_socket_options(SocketOptions socket_options) {
socket_options_ = std::move(socket_options);
}
inline void ClientImpl::set_compress(bool on) { compress_ = on; }
inline void ClientImpl::set_decompress(bool on) { decompress_ = on; }
inline void ClientImpl::set_interface(const std::string &intf) {
interface_ = intf;
}
inline void ClientImpl::set_proxy(const std::string &host, int port) {
proxy_host_ = host;
proxy_port_ = port;
}
inline void ClientImpl::set_proxy_basic_auth(const std::string &username,
const std::string &password) {
proxy_basic_auth_username_ = username;
proxy_basic_auth_password_ = password;
}
inline void ClientImpl::set_proxy_bearer_token_auth(const std::string &token) {
proxy_bearer_token_auth_token_ = token;
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
inline void ClientImpl::set_proxy_digest_auth(const std::string &username,
const std::string &password) {
proxy_digest_auth_username_ = username;
proxy_digest_auth_password_ = password;
}
inline void ClientImpl::set_ca_cert_path(const std::string &ca_cert_file_path,
const std::string &ca_cert_dir_path) {
ca_cert_file_path_ = ca_cert_file_path;
ca_cert_dir_path_ = ca_cert_dir_path;
}
inline void ClientImpl::set_ca_cert_store(X509_STORE *ca_cert_store) {
if (ca_cert_store && ca_cert_store != ca_cert_store_) {
ca_cert_store_ = ca_cert_store;
}
}
inline X509_STORE *ClientImpl::create_ca_cert_store(const char *ca_cert,
std::size_t size) const {
auto mem = BIO_new_mem_buf(ca_cert, static_cast<int>(size));
auto se = detail::scope_exit([&] { BIO_free_all(mem); });
if (!mem) { return nullptr; }
auto inf = PEM_X509_INFO_read_bio(mem, nullptr, nullptr, nullptr);
if (!inf) { return nullptr; }
auto cts = X509_STORE_new();
if (cts) {
for (auto i = 0; i < static_cast<int>(sk_X509_INFO_num(inf)); i++) {
auto itmp = sk_X509_INFO_value(inf, i);
if (!itmp) { continue; }
if (itmp->x509) { X509_STORE_add_cert(cts, itmp->x509); }
if (itmp->crl) { X509_STORE_add_crl(cts, itmp->crl); }
}
}
sk_X509_INFO_pop_free(inf, X509_INFO_free);
return cts;
}
inline void ClientImpl::enable_server_certificate_verification(bool enabled) {
server_certificate_verification_ = enabled;
}
inline void ClientImpl::enable_server_hostname_verification(bool enabled) {
server_hostname_verification_ = enabled;
}
inline void ClientImpl::set_server_certificate_verifier(
std::function<SSLVerifierResponse(SSL *ssl)> verifier) {
server_certificate_verifier_ = verifier;
}
#endif
inline void ClientImpl::set_logger(Logger logger) {
logger_ = std::move(logger);
}
inline void ClientImpl::set_error_logger(ErrorLogger error_logger) {
error_logger_ = std::move(error_logger);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
namespace detail {
inline bool is_ip_address(const std::string &host) {
struct in_addr addr4;
struct in6_addr addr6;
return inet_pton(AF_INET, host.c_str(), &addr4) == 1 ||
inet_pton(AF_INET6, host.c_str(), &addr6) == 1;
}
template <typename U, typename V>
inline SSL *ssl_new(socket_t sock, SSL_CTX *ctx, std::mutex &ctx_mutex,
U SSL_connect_or_accept, V setup) {
SSL *ssl = nullptr;
{
std::lock_guard<std::mutex> guard(ctx_mutex);
ssl = SSL_new(ctx);
}
if (ssl) {
set_nonblocking(sock, true);
auto bio = BIO_new_socket(static_cast<int>(sock), BIO_NOCLOSE);
BIO_set_nbio(bio, 1);
SSL_set_bio(ssl, bio, bio);
if (!setup(ssl) || SSL_connect_or_accept(ssl) != 1) {
SSL_shutdown(ssl);
{
std::lock_guard<std::mutex> guard(ctx_mutex);
SSL_free(ssl);
}
set_nonblocking(sock, false);
return nullptr;
}
BIO_set_nbio(bio, 0);
set_nonblocking(sock, false);
}
return ssl;
}
inline void ssl_delete(std::mutex &ctx_mutex, SSL *ssl, socket_t sock,
bool shutdown_gracefully) {
if (shutdown_gracefully) {
(void)(sock);
if (SSL_shutdown(ssl) == 0) {
SSL_shutdown(ssl);
}
}
std::lock_guard<std::mutex> guard(ctx_mutex);
SSL_free(ssl);
}
template <typename U>
bool ssl_connect_or_accept_nonblocking(socket_t sock, SSL *ssl,
U ssl_connect_or_accept,
time_t timeout_sec, time_t timeout_usec,
int *ssl_error) {
auto res = 0;
while ((res = ssl_connect_or_accept(ssl)) != 1) {
auto err = SSL_get_error(ssl, res);
switch (err) {
case SSL_ERROR_WANT_READ:
if (select_read(sock, timeout_sec, timeout_usec) > 0) { continue; }
break;
case SSL_ERROR_WANT_WRITE:
if (select_write(sock, timeout_sec, timeout_usec) > 0) { continue; }
break;
default: break;
}
if (ssl_error) { *ssl_error = err; }
return false;
}
return true;
}
template <typename T>
inline bool process_server_socket_ssl(
const std::atomic<socket_t> &svr_sock, SSL *ssl, socket_t sock,
size_t keep_alive_max_count, time_t keep_alive_timeout_sec,
time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec,
time_t write_timeout_usec, T callback) {
return process_server_socket_core(
svr_sock, sock, keep_alive_max_count, keep_alive_timeout_sec,
[&](bool close_connection, bool &connection_closed) {
SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec,
write_timeout_sec, write_timeout_usec);
return callback(strm, close_connection, connection_closed);
});
}
template <typename T>
inline bool process_client_socket_ssl(
SSL *ssl, socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec,
time_t write_timeout_sec, time_t write_timeout_usec,
time_t max_timeout_msec,
std::chrono::time_point<std::chrono::steady_clock> start_time, T callback) {
SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec,
write_timeout_sec, write_timeout_usec, max_timeout_msec,
start_time);
return callback(strm);
}
inline SSLSocketStream::SSLSocketStream(
socket_t sock, SSL *ssl, time_t read_timeout_sec, time_t read_timeout_usec,
time_t write_timeout_sec, time_t write_timeout_usec,
time_t max_timeout_msec,
std::chrono::time_point<std::chrono::steady_clock> start_time)
: sock_(sock), ssl_(ssl), read_timeout_sec_(read_timeout_sec),
read_timeout_usec_(read_timeout_usec),
write_timeout_sec_(write_timeout_sec),
write_timeout_usec_(write_timeout_usec),
max_timeout_msec_(max_timeout_msec), start_time_(start_time) {
SSL_clear_mode(ssl, SSL_MODE_AUTO_RETRY);
}
inline SSLSocketStream::~SSLSocketStream() = default;
inline bool SSLSocketStream::is_readable() const {
return SSL_pending(ssl_) > 0;
}
inline bool SSLSocketStream::wait_readable() const {
if (max_timeout_msec_ <= 0) {
return select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0;
}
time_t read_timeout_sec;
time_t read_timeout_usec;
calc_actual_timeout(max_timeout_msec_, duration(), read_timeout_sec_,
read_timeout_usec_, read_timeout_sec, read_timeout_usec);
return select_read(sock_, read_timeout_sec, read_timeout_usec) > 0;
}
inline bool SSLSocketStream::wait_writable() const {
return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 &&
is_socket_alive(sock_) && !is_ssl_peer_could_be_closed(ssl_, sock_);
}
inline ssize_t SSLSocketStream::read(char *ptr, size_t size) {
if (SSL_pending(ssl_) > 0) {
return SSL_read(ssl_, ptr, static_cast<int>(size));
} else if (wait_readable()) {
auto ret = SSL_read(ssl_, ptr, static_cast<int>(size));
if (ret < 0) {
auto err = SSL_get_error(ssl_, ret);
auto n = 1000;
#ifdef _WIN32
while (--n >= 0 && (err == SSL_ERROR_WANT_READ ||
(err == SSL_ERROR_SYSCALL &&
WSAGetLastError() == WSAETIMEDOUT))) {
#else
while (--n >= 0 && err == SSL_ERROR_WANT_READ) {
#endif
if (SSL_pending(ssl_) > 0) {
return SSL_read(ssl_, ptr, static_cast<int>(size));
} else if (wait_readable()) {
std::this_thread::sleep_for(std::chrono::microseconds{10});
ret = SSL_read(ssl_, ptr, static_cast<int>(size));
if (ret >= 0) { return ret; }
err = SSL_get_error(ssl_, ret);
} else {
break;
}
}
assert(ret < 0);
}
return ret;
} else {
return -1;
}
}
inline ssize_t SSLSocketStream::write(const char *ptr, size_t size) {
if (wait_writable()) {
auto handle_size = static_cast<int>(
std::min<size_t>(size, (std::numeric_limits<int>::max)()));
auto ret = SSL_write(ssl_, ptr, static_cast<int>(handle_size));
if (ret < 0) {
auto err = SSL_get_error(ssl_, ret);
auto n = 1000;
#ifdef _WIN32
while (--n >= 0 && (err == SSL_ERROR_WANT_WRITE ||
(err == SSL_ERROR_SYSCALL &&
WSAGetLastError() == WSAETIMEDOUT))) {
#else
while (--n >= 0 && err == SSL_ERROR_WANT_WRITE) {
#endif
if (wait_writable()) {
std::this_thread::sleep_for(std::chrono::microseconds{10});
ret = SSL_write(ssl_, ptr, static_cast<int>(handle_size));
if (ret >= 0) { return ret; }
err = SSL_get_error(ssl_, ret);
} else {
break;
}
}
assert(ret < 0);
}
return ret;
}
return -1;
}
inline void SSLSocketStream::get_remote_ip_and_port(std::string &ip,
int &port) const {
detail::get_remote_ip_and_port(sock_, ip, port);
}
inline void SSLSocketStream::get_local_ip_and_port(std::string &ip,
int &port) const {
detail::get_local_ip_and_port(sock_, ip, port);
}
inline socket_t SSLSocketStream::socket() const { return sock_; }
inline time_t SSLSocketStream::duration() const {
return std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - start_time_)
.count();
}
}
inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path,
const char *client_ca_cert_file_path,
const char *client_ca_cert_dir_path,
const char *private_key_password) {
ctx_ = SSL_CTX_new(TLS_server_method());
if (ctx_) {
SSL_CTX_set_options(ctx_,
SSL_OP_NO_COMPRESSION |
SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
SSL_CTX_set_min_proto_version(ctx_, TLS1_2_VERSION);
if (private_key_password != nullptr && (private_key_password[0] != '\0')) {
SSL_CTX_set_default_passwd_cb_userdata(
ctx_,
reinterpret_cast<void *>(const_cast<char *>(private_key_password)));
}
if (SSL_CTX_use_certificate_chain_file(ctx_, cert_path) != 1 ||
SSL_CTX_use_PrivateKey_file(ctx_, private_key_path, SSL_FILETYPE_PEM) !=
1 ||
SSL_CTX_check_private_key(ctx_) != 1) {
last_ssl_error_ = static_cast<int>(ERR_get_error());
SSL_CTX_free(ctx_);
ctx_ = nullptr;
} else if (client_ca_cert_file_path || client_ca_cert_dir_path) {
SSL_CTX_load_verify_locations(ctx_, client_ca_cert_file_path,
client_ca_cert_dir_path);
if (client_ca_cert_file_path) {
auto ca_list = SSL_load_client_CA_file(client_ca_cert_file_path);
if (ca_list != nullptr) {
SSL_CTX_set_client_CA_list(ctx_, ca_list);
} else {
last_ssl_error_ = static_cast<int>(ERR_get_error());
}
}
SSL_CTX_set_verify(
ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr);
}
}
}
inline SSLServer::SSLServer(X509 *cert, EVP_PKEY *private_key,
X509_STORE *client_ca_cert_store) {
ctx_ = SSL_CTX_new(TLS_server_method());
if (ctx_) {
SSL_CTX_set_options(ctx_,
SSL_OP_NO_COMPRESSION |
SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
SSL_CTX_set_min_proto_version(ctx_, TLS1_2_VERSION);
if (SSL_CTX_use_certificate(ctx_, cert) != 1 ||
SSL_CTX_use_PrivateKey(ctx_, private_key) != 1) {
SSL_CTX_free(ctx_);
ctx_ = nullptr;
} else if (client_ca_cert_store) {
SSL_CTX_set_cert_store(ctx_, client_ca_cert_store);
auto ca_list = extract_ca_names_from_x509_store(client_ca_cert_store);
if (ca_list) {
SSL_CTX_set_client_CA_list(ctx_, ca_list);
} else {
last_ssl_error_ = static_cast<int>(ERR_get_error());
}
SSL_CTX_set_verify(
ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr);
}
}
}
inline SSLServer::SSLServer(
const std::function<bool(SSL_CTX &ssl_ctx)> &setup_ssl_ctx_callback) {
ctx_ = SSL_CTX_new(TLS_method());
if (ctx_) {
if (!setup_ssl_ctx_callback(*ctx_)) {
SSL_CTX_free(ctx_);
ctx_ = nullptr;
}
}
}
inline SSLServer::~SSLServer() {
if (ctx_) { SSL_CTX_free(ctx_); }
}
inline bool SSLServer::is_valid() const { return ctx_; }
inline SSL_CTX *SSLServer::ssl_context() const { return ctx_; }
inline void SSLServer::update_certs(X509 *cert, EVP_PKEY *private_key,
X509_STORE *client_ca_cert_store) {
std::lock_guard<std::mutex> guard(ctx_mutex_);
SSL_CTX_use_certificate(ctx_, cert);
SSL_CTX_use_PrivateKey(ctx_, private_key);
if (client_ca_cert_store != nullptr) {
SSL_CTX_set_cert_store(ctx_, client_ca_cert_store);
}
}
inline bool SSLServer::process_and_close_socket(socket_t sock) {
auto ssl = detail::ssl_new(
sock, ctx_, ctx_mutex_,
[&](SSL *ssl2) {
return detail::ssl_connect_or_accept_nonblocking(
sock, ssl2, SSL_accept, read_timeout_sec_, read_timeout_usec_,
&last_ssl_error_);
},
[](SSL * ) { return true; });
auto ret = false;
if (ssl) {
std::string remote_addr;
int remote_port = 0;
detail::get_remote_ip_and_port(sock, remote_addr, remote_port);
std::string local_addr;
int local_port = 0;
detail::get_local_ip_and_port(sock, local_addr, local_port);
ret = detail::process_server_socket_ssl(
svr_sock_, ssl, sock, keep_alive_max_count_, keep_alive_timeout_sec_,
read_timeout_sec_, read_timeout_usec_, write_timeout_sec_,
write_timeout_usec_,
[&](Stream &strm, bool close_connection, bool &connection_closed) {
return process_request(strm, remote_addr, remote_port, local_addr,
local_port, close_connection,
connection_closed,
[&](Request &req) { req.ssl = ssl; });
});
const bool shutdown_gracefully = ret;
detail::ssl_delete(ctx_mutex_, ssl, sock, shutdown_gracefully);
}
detail::shutdown_socket(sock);
detail::close_socket(sock);
return ret;
}
inline STACK_OF(X509_NAME) * SSLServer::extract_ca_names_from_x509_store(
X509_STORE *store) {
if (!store) { return nullptr; }
auto ca_list = sk_X509_NAME_new_null();
if (!ca_list) { return nullptr; }
auto objs = X509_STORE_get0_objects(store);
if (!objs) {
sk_X509_NAME_free(ca_list);
return nullptr;
}
for (int i = 0; i < sk_X509_OBJECT_num(objs); i++) {
auto obj = sk_X509_OBJECT_value(objs, i);
if (X509_OBJECT_get_type(obj) == X509_LU_X509) {
auto cert = X509_OBJECT_get0_X509(obj);
if (cert) {
auto subject = X509_get_subject_name(cert);
if (subject) {
auto name_dup = X509_NAME_dup(subject);
if (name_dup) { sk_X509_NAME_push(ca_list, name_dup); }
}
}
}
}
if (sk_X509_NAME_num(ca_list) == 0) {
sk_X509_NAME_free(ca_list);
return nullptr;
}
return ca_list;
}
inline SSLClient::SSLClient(const std::string &host)
: SSLClient(host, 443, std::string(), std::string()) {}
inline SSLClient::SSLClient(const std::string &host, int port)
: SSLClient(host, port, std::string(), std::string()) {}
inline SSLClient::SSLClient(const std::string &host, int port,
const std::string &client_cert_path,
const std::string &client_key_path,
const std::string &private_key_password)
: ClientImpl(host, port, client_cert_path, client_key_path) {
ctx_ = SSL_CTX_new(TLS_client_method());
SSL_CTX_set_min_proto_version(ctx_, TLS1_2_VERSION);
detail::split(&host_[0], &host_[host_.size()], '.',
[&](const char *b, const char *e) {
host_components_.emplace_back(b, e);
});
if (!client_cert_path.empty() && !client_key_path.empty()) {
if (!private_key_password.empty()) {
SSL_CTX_set_default_passwd_cb_userdata(
ctx_, reinterpret_cast<void *>(
const_cast<char *>(private_key_password.c_str())));
}
if (SSL_CTX_use_certificate_file(ctx_, client_cert_path.c_str(),
SSL_FILETYPE_PEM) != 1 ||
SSL_CTX_use_PrivateKey_file(ctx_, client_key_path.c_str(),
SSL_FILETYPE_PEM) != 1) {
last_openssl_error_ = ERR_get_error();
SSL_CTX_free(ctx_);
ctx_ = nullptr;
}
}
}
inline SSLClient::SSLClient(const std::string &host, int port,
X509 *client_cert, EVP_PKEY *client_key,
const std::string &private_key_password)
: ClientImpl(host, port) {
ctx_ = SSL_CTX_new(TLS_client_method());
detail::split(&host_[0], &host_[host_.size()], '.',
[&](const char *b, const char *e) {
host_components_.emplace_back(b, e);
});
if (client_cert != nullptr && client_key != nullptr) {
if (!private_key_password.empty()) {
SSL_CTX_set_default_passwd_cb_userdata(
ctx_, reinterpret_cast<void *>(
const_cast<char *>(private_key_password.c_str())));
}
if (SSL_CTX_use_certificate(ctx_, client_cert) != 1 ||
SSL_CTX_use_PrivateKey(ctx_, client_key) != 1) {
last_openssl_error_ = ERR_get_error();
SSL_CTX_free(ctx_);
ctx_ = nullptr;
}
}
}
inline SSLClient::~SSLClient() {
if (ctx_) { SSL_CTX_free(ctx_); }
shutdown_ssl_impl(socket_, true);
}
inline bool SSLClient::is_valid() const { return ctx_; }
inline void SSLClient::set_ca_cert_store(X509_STORE *ca_cert_store) {
if (ca_cert_store) {
if (ctx_) {
if (SSL_CTX_get_cert_store(ctx_) != ca_cert_store) {
SSL_CTX_set_cert_store(ctx_, ca_cert_store);
ca_cert_store_ = ca_cert_store;
}
} else {
X509_STORE_free(ca_cert_store);
}
}
}
inline void SSLClient::load_ca_cert_store(const char *ca_cert,
std::size_t size) {
set_ca_cert_store(ClientImpl::create_ca_cert_store(ca_cert, size));
}
inline long SSLClient::get_openssl_verify_result() const {
return verify_result_;
}
inline SSL_CTX *SSLClient::ssl_context() const { return ctx_; }
inline bool SSLClient::create_and_connect_socket(Socket &socket, Error &error) {
if (!is_valid()) {
error = Error::SSLConnection;
return false;
}
return ClientImpl::create_and_connect_socket(socket, error);
}
inline bool SSLClient::connect_with_proxy(
Socket &socket,
std::chrono::time_point<std::chrono::steady_clock> start_time,
Response &res, bool &success, Error &error) {
success = true;
Response proxy_res;
if (!detail::process_client_socket(
socket.sock, read_timeout_sec_, read_timeout_usec_,
write_timeout_sec_, write_timeout_usec_, max_timeout_msec_,
start_time, [&](Stream &strm) {
Request req2;
req2.method = "CONNECT";
req2.path = host_and_port_;
if (max_timeout_msec_ > 0) {
req2.start_time_ = std::chrono::steady_clock::now();
}
return process_request(strm, req2, proxy_res, false, error);
})) {
shutdown_ssl(socket, true);
shutdown_socket(socket);
close_socket(socket);
success = false;
return false;
}
if (proxy_res.status == StatusCode::ProxyAuthenticationRequired_407) {
if (!proxy_digest_auth_username_.empty() &&
!proxy_digest_auth_password_.empty()) {
std::map<std::string, std::string> auth;
if (detail::parse_www_authenticate(proxy_res, auth, true)) {
shutdown_ssl(socket, true);
shutdown_socket(socket);
close_socket(socket);
if (!ensure_socket_connection(socket, error)) {
success = false;
output_error_log(error, nullptr);
return false;
}
proxy_res = Response();
if (!detail::process_client_socket(
socket.sock, read_timeout_sec_, read_timeout_usec_,
write_timeout_sec_, write_timeout_usec_, max_timeout_msec_,
start_time, [&](Stream &strm) {
Request req3;
req3.method = "CONNECT";
req3.path = host_and_port_;
req3.headers.insert(detail::make_digest_authentication_header(
req3, auth, 1, detail::random_string(10),
proxy_digest_auth_username_, proxy_digest_auth_password_,
true));
if (max_timeout_msec_ > 0) {
req3.start_time_ = std::chrono::steady_clock::now();
}
return process_request(strm, req3, proxy_res, false, error);
})) {
shutdown_ssl(socket, true);
shutdown_socket(socket);
close_socket(socket);
success = false;
return false;
}
}
}
}
if (proxy_res.status != StatusCode::OK_200) {
error = Error::ProxyConnection;
output_error_log(error, nullptr);
res = std::move(proxy_res);
shutdown_ssl(socket, true);
shutdown_socket(socket);
close_socket(socket);
return false;
}
return true;
}
inline bool SSLClient::load_certs() {
auto ret = true;
std::call_once(initialize_cert_, [&]() {
std::lock_guard<std::mutex> guard(ctx_mutex_);
if (!ca_cert_file_path_.empty()) {
if (!SSL_CTX_load_verify_locations(ctx_, ca_cert_file_path_.c_str(),
nullptr)) {
last_openssl_error_ = ERR_get_error();
ret = false;
}
} else if (!ca_cert_dir_path_.empty()) {
if (!SSL_CTX_load_verify_locations(ctx_, nullptr,
ca_cert_dir_path_.c_str())) {
last_openssl_error_ = ERR_get_error();
ret = false;
}
} else {
auto loaded = false;
#ifdef _WIN32
loaded =
detail::load_system_certs_on_windows(SSL_CTX_get_cert_store(ctx_));
#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && TARGET_OS_MAC
loaded = detail::load_system_certs_on_macos(SSL_CTX_get_cert_store(ctx_));
#endif if (!loaded) { SSL_CTX_set_default_verify_paths(ctx_); }
}
});
return ret;
}
inline bool SSLClient::initialize_ssl(Socket &socket, Error &error) {
auto ssl = detail::ssl_new(
socket.sock, ctx_, ctx_mutex_,
[&](SSL *ssl2) {
if (server_certificate_verification_) {
if (!load_certs()) {
error = Error::SSLLoadingCerts;
output_error_log(error, nullptr);
return false;
}
SSL_set_verify(ssl2, SSL_VERIFY_NONE, nullptr);
}
if (!detail::ssl_connect_or_accept_nonblocking(
socket.sock, ssl2, SSL_connect, connection_timeout_sec_,
connection_timeout_usec_, &last_ssl_error_)) {
error = Error::SSLConnection;
output_error_log(error, nullptr);
return false;
}
if (server_certificate_verification_) {
auto verification_status = SSLVerifierResponse::NoDecisionMade;
if (server_certificate_verifier_) {
verification_status = server_certificate_verifier_(ssl2);
}
if (verification_status == SSLVerifierResponse::CertificateRejected) {
last_openssl_error_ = ERR_get_error();
error = Error::SSLServerVerification;
output_error_log(error, nullptr);
return false;
}
if (verification_status == SSLVerifierResponse::NoDecisionMade) {
verify_result_ = SSL_get_verify_result(ssl2);
if (verify_result_ != X509_V_OK) {
last_openssl_error_ = static_cast<unsigned long>(verify_result_);
error = Error::SSLServerVerification;
output_error_log(error, nullptr);
return false;
}
auto server_cert = SSL_get1_peer_certificate(ssl2);
auto se = detail::scope_exit([&] { X509_free(server_cert); });
if (server_cert == nullptr) {
last_openssl_error_ = ERR_get_error();
error = Error::SSLServerVerification;
output_error_log(error, nullptr);
return false;
}
if (server_hostname_verification_) {
if (!verify_host(server_cert)) {
last_openssl_error_ = X509_V_ERR_HOSTNAME_MISMATCH;
error = Error::SSLServerHostnameVerification;
output_error_log(error, nullptr);
return false;
}
}
}
}
return true;
},
[&](SSL *ssl2) {
if (!detail::is_ip_address(host_)) {
#if defined(OPENSSL_IS_BORINGSSL)
SSL_set_tlsext_host_name(ssl2, host_.c_str());
#else
SSL_ctrl(ssl2, SSL_CTRL_SET_TLSEXT_HOSTNAME,
TLSEXT_NAMETYPE_host_name,
static_cast<void *>(const_cast<char *>(host_.c_str())));
#endif
}
return true;
});
if (ssl) {
socket.ssl = ssl;
return true;
}
if (ctx_ == nullptr) {
error = Error::SSLConnection;
last_openssl_error_ = ERR_get_error();
}
shutdown_socket(socket);
close_socket(socket);
return false;
}
inline void SSLClient::shutdown_ssl(Socket &socket, bool shutdown_gracefully) {
shutdown_ssl_impl(socket, shutdown_gracefully);
}
inline void SSLClient::shutdown_ssl_impl(Socket &socket,
bool shutdown_gracefully) {
if (socket.sock == INVALID_SOCKET) {
assert(socket.ssl == nullptr);
return;
}
if (socket.ssl) {
detail::ssl_delete(ctx_mutex_, socket.ssl, socket.sock,
shutdown_gracefully);
socket.ssl = nullptr;
}
assert(socket.ssl == nullptr);
}
inline bool SSLClient::process_socket(
const Socket &socket,
std::chrono::time_point<std::chrono::steady_clock> start_time,
std::function<bool(Stream &strm)> callback) {
assert(socket.ssl);
return detail::process_client_socket_ssl(
socket.ssl, socket.sock, read_timeout_sec_, read_timeout_usec_,
write_timeout_sec_, write_timeout_usec_, max_timeout_msec_, start_time,
std::move(callback));
}
inline bool SSLClient::is_ssl() const { return true; }
inline bool SSLClient::verify_host(X509 *server_cert) const {
return verify_host_with_subject_alt_name(server_cert) ||
verify_host_with_common_name(server_cert);
}
inline bool
SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const {
auto ret = false;
auto type = GEN_DNS;
struct in6_addr addr6 = {};
struct in_addr addr = {};
size_t addr_len = 0;
#ifndef __MINGW32__
if (inet_pton(AF_INET6, host_.c_str(), &addr6)) {
type = GEN_IPADD;
addr_len = sizeof(struct in6_addr);
} else if (inet_pton(AF_INET, host_.c_str(), &addr)) {
type = GEN_IPADD;
addr_len = sizeof(struct in_addr);
}
#endif
auto alt_names = static_cast<const struct stack_st_GENERAL_NAME *>(
X509_get_ext_d2i(server_cert, NID_subject_alt_name, nullptr, nullptr));
if (alt_names) {
auto dsn_matched = false;
auto ip_matched = false;
auto count = sk_GENERAL_NAME_num(alt_names);
for (decltype(count) i = 0; i < count && !dsn_matched; i++) {
auto val = sk_GENERAL_NAME_value(alt_names, i);
if (!val || val->type != type) { continue; }
auto name =
reinterpret_cast<const char *>(ASN1_STRING_get0_data(val->d.ia5));
if (name == nullptr) { continue; }
auto name_len = static_cast<size_t>(ASN1_STRING_length(val->d.ia5));
switch (type) {
case GEN_DNS: dsn_matched = check_host_name(name, name_len); break;
case GEN_IPADD:
if (!memcmp(&addr6, name, addr_len) || !memcmp(&addr, name, addr_len)) {
ip_matched = true;
}
break;
}
}
if (dsn_matched || ip_matched) { ret = true; }
}
GENERAL_NAMES_free(const_cast<STACK_OF(GENERAL_NAME) *>(
reinterpret_cast<const STACK_OF(GENERAL_NAME) *>(alt_names)));
return ret;
}
inline bool SSLClient::verify_host_with_common_name(X509 *server_cert) const {
const auto subject_name = X509_get_subject_name(server_cert);
if (subject_name != nullptr) {
char name[BUFSIZ];
auto name_len = X509_NAME_get_text_by_NID(subject_name, NID_commonName,
name, sizeof(name));
if (name_len != -1) {
return check_host_name(name, static_cast<size_t>(name_len));
}
}
return false;
}
inline bool SSLClient::check_host_name(const char *pattern,
size_t pattern_len) const {
if (host_.size() == pattern_len && host_ == pattern) { return true; }
std::vector<std::string> pattern_components;
detail::split(&pattern[0], &pattern[pattern_len], '.',
[&](const char *b, const char *e) {
pattern_components.emplace_back(b, e);
});
if (host_components_.size() != pattern_components.size()) { return false; }
auto itr = pattern_components.begin();
for (const auto &h : host_components_) {
auto &p = *itr;
if (p != h && p != "*") {
auto partial_match = (p.size() > 0 && p[p.size() - 1] == '*' &&
!p.compare(0, p.size() - 1, h));
if (!partial_match) { return false; }
}
++itr;
}
return true;
}
#endif
inline Client::Client(const std::string &scheme_host_port)
: Client(scheme_host_port, std::string(), std::string()) {}
inline Client::Client(const std::string &scheme_host_port,
const std::string &client_cert_path,
const std::string &client_key_path) {
const static std::regex re(
R"((?:([a-z]+):\/\/)?(?:\[([a-fA-F\d:]+)\]|([^:/?#]+))(?::(\d+))?)");
std::smatch m;
if (std::regex_match(scheme_host_port, m, re)) {
auto scheme = m[1].str();
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (!scheme.empty() && (scheme != "http" && scheme != "https")) {
#else
if (!scheme.empty() && scheme != "http") {
#endif
#ifndef CPPHTTPLIB_NO_EXCEPTIONS
std::string msg = "'" + scheme + "' scheme is not supported.";
throw std::invalid_argument(msg);
#endif
return;
}
auto is_ssl = scheme == "https";
auto host = m[2].str();
if (host.empty()) { host = m[3].str(); }
auto port_str = m[4].str();
auto port = !port_str.empty() ? std::stoi(port_str) : (is_ssl ? 443 : 80);
if (is_ssl) {
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
cli_ = detail::make_unique<SSLClient>(host, port, client_cert_path,
client_key_path);
is_ssl_ = is_ssl;
#endif
} else {
cli_ = detail::make_unique<ClientImpl>(host, port, client_cert_path,
client_key_path);
}
} else {
cli_ = detail::make_unique<ClientImpl>(scheme_host_port, 80,
client_cert_path, client_key_path);
}
}
inline Client::Client(const std::string &host, int port)
: cli_(detail::make_unique<ClientImpl>(host, port)) {}
inline Client::Client(const std::string &host, int port,
const std::string &client_cert_path,
const std::string &client_key_path)
: cli_(detail::make_unique<ClientImpl>(host, port, client_cert_path,
client_key_path)) {}
inline Client::~Client() = default;
inline bool Client::is_valid() const {
return cli_ != nullptr && cli_->is_valid();
}
inline Result Client::Get(const std::string &path, DownloadProgress progress) {
return cli_->Get(path, std::move(progress));
}
inline Result Client::Get(const std::string &path, const Headers &headers,
DownloadProgress progress) {
return cli_->Get(path, headers, std::move(progress));
}
inline Result Client::Get(const std::string &path,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Get(path, std::move(content_receiver), std::move(progress));
}
inline Result Client::Get(const std::string &path, const Headers &headers,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Get(path, headers, std::move(content_receiver),
std::move(progress));
}
inline Result Client::Get(const std::string &path,
ResponseHandler response_handler,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Get(path, std::move(response_handler),
std::move(content_receiver), std::move(progress));
}
inline Result Client::Get(const std::string &path, const Headers &headers,
ResponseHandler response_handler,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Get(path, headers, std::move(response_handler),
std::move(content_receiver), std::move(progress));
}
inline Result Client::Get(const std::string &path, const Params ¶ms,
const Headers &headers, DownloadProgress progress) {
return cli_->Get(path, params, headers, std::move(progress));
}
inline Result Client::Get(const std::string &path, const Params ¶ms,
const Headers &headers,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Get(path, params, headers, std::move(content_receiver),
std::move(progress));
}
inline Result Client::Get(const std::string &path, const Params ¶ms,
const Headers &headers,
ResponseHandler response_handler,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Get(path, params, headers, std::move(response_handler),
std::move(content_receiver), std::move(progress));
}
inline Result Client::Head(const std::string &path) { return cli_->Head(path); }
inline Result Client::Head(const std::string &path, const Headers &headers) {
return cli_->Head(path, headers);
}
inline Result Client::Post(const std::string &path) { return cli_->Post(path); }
inline Result Client::Post(const std::string &path, const Headers &headers) {
return cli_->Post(path, headers);
}
inline Result Client::Post(const std::string &path, const char *body,
size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return cli_->Post(path, body, content_length, content_type, progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
const char *body, size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return cli_->Post(path, headers, body, content_length, content_type,
progress);
}
inline Result Client::Post(const std::string &path, const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return cli_->Post(path, body, content_type, progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return cli_->Post(path, headers, body, content_type, progress);
}
inline Result Client::Post(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Post(path, content_length, std::move(content_provider),
content_type, progress);
}
inline Result Client::Post(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Post(path, content_length, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result Client::Post(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Post(path, std::move(content_provider), content_type, progress);
}
inline Result Client::Post(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Post(path, std::move(content_provider), content_type,
std::move(content_receiver), progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Post(path, headers, content_length, std::move(content_provider),
content_type, progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Post(path, headers, content_length, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Post(path, headers, std::move(content_provider), content_type,
progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Post(path, headers, std::move(content_provider), content_type,
std::move(content_receiver), progress);
}
inline Result Client::Post(const std::string &path, const Params ¶ms) {
return cli_->Post(path, params);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
const Params ¶ms) {
return cli_->Post(path, headers, params);
}
inline Result Client::Post(const std::string &path,
const UploadFormDataItems &items,
UploadProgress progress) {
return cli_->Post(path, items, progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
UploadProgress progress) {
return cli_->Post(path, headers, items, progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const std::string &boundary,
UploadProgress progress) {
return cli_->Post(path, headers, items, boundary, progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const FormDataProviderItems &provider_items,
UploadProgress progress) {
return cli_->Post(path, headers, items, provider_items, progress);
}
inline Result Client::Post(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Post(path, headers, body, content_type,
std::move(content_receiver), progress);
}
inline Result Client::Put(const std::string &path) { return cli_->Put(path); }
inline Result Client::Put(const std::string &path, const Headers &headers) {
return cli_->Put(path, headers);
}
inline Result Client::Put(const std::string &path, const char *body,
size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return cli_->Put(path, body, content_length, content_type, progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
const char *body, size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return cli_->Put(path, headers, body, content_length, content_type, progress);
}
inline Result Client::Put(const std::string &path, const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return cli_->Put(path, body, content_type, progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return cli_->Put(path, headers, body, content_type, progress);
}
inline Result Client::Put(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Put(path, content_length, std::move(content_provider),
content_type, progress);
}
inline Result Client::Put(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Put(path, content_length, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result Client::Put(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Put(path, std::move(content_provider), content_type, progress);
}
inline Result Client::Put(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Put(path, std::move(content_provider), content_type,
std::move(content_receiver), progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Put(path, headers, content_length, std::move(content_provider),
content_type, progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Put(path, headers, content_length, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Put(path, headers, std::move(content_provider), content_type,
progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Put(path, headers, std::move(content_provider), content_type,
std::move(content_receiver), progress);
}
inline Result Client::Put(const std::string &path, const Params ¶ms) {
return cli_->Put(path, params);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
const Params ¶ms) {
return cli_->Put(path, headers, params);
}
inline Result Client::Put(const std::string &path,
const UploadFormDataItems &items,
UploadProgress progress) {
return cli_->Put(path, items, progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
UploadProgress progress) {
return cli_->Put(path, headers, items, progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const std::string &boundary,
UploadProgress progress) {
return cli_->Put(path, headers, items, boundary, progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const FormDataProviderItems &provider_items,
UploadProgress progress) {
return cli_->Put(path, headers, items, provider_items, progress);
}
inline Result Client::Put(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Put(path, headers, body, content_type, content_receiver,
progress);
}
inline Result Client::Patch(const std::string &path) {
return cli_->Patch(path);
}
inline Result Client::Patch(const std::string &path, const Headers &headers) {
return cli_->Patch(path, headers);
}
inline Result Client::Patch(const std::string &path, const char *body,
size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return cli_->Patch(path, body, content_length, content_type, progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
const char *body, size_t content_length,
const std::string &content_type,
UploadProgress progress) {
return cli_->Patch(path, headers, body, content_length, content_type,
progress);
}
inline Result Client::Patch(const std::string &path, const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return cli_->Patch(path, body, content_type, progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
UploadProgress progress) {
return cli_->Patch(path, headers, body, content_type, progress);
}
inline Result Client::Patch(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Patch(path, content_length, std::move(content_provider),
content_type, progress);
}
inline Result Client::Patch(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Patch(path, content_length, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result Client::Patch(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Patch(path, std::move(content_provider), content_type, progress);
}
inline Result Client::Patch(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Patch(path, std::move(content_provider), content_type,
std::move(content_receiver), progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Patch(path, headers, content_length, std::move(content_provider),
content_type, progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Patch(path, headers, content_length, std::move(content_provider),
content_type, std::move(content_receiver), progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
UploadProgress progress) {
return cli_->Patch(path, headers, std::move(content_provider), content_type,
progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type,
ContentReceiver content_receiver,
UploadProgress progress) {
return cli_->Patch(path, headers, std::move(content_provider), content_type,
std::move(content_receiver), progress);
}
inline Result Client::Patch(const std::string &path, const Params ¶ms) {
return cli_->Patch(path, params);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
const Params ¶ms) {
return cli_->Patch(path, headers, params);
}
inline Result Client::Patch(const std::string &path,
const UploadFormDataItems &items,
UploadProgress progress) {
return cli_->Patch(path, items, progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
UploadProgress progress) {
return cli_->Patch(path, headers, items, progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const std::string &boundary,
UploadProgress progress) {
return cli_->Patch(path, headers, items, boundary, progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
const UploadFormDataItems &items,
const FormDataProviderItems &provider_items,
UploadProgress progress) {
return cli_->Patch(path, headers, items, provider_items, progress);
}
inline Result Client::Patch(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
ContentReceiver content_receiver,
DownloadProgress progress) {
return cli_->Patch(path, headers, body, content_type, content_receiver,
progress);
}
inline Result Client::Delete(const std::string &path,
DownloadProgress progress) {
return cli_->Delete(path, progress);
}
inline Result Client::Delete(const std::string &path, const Headers &headers,
DownloadProgress progress) {
return cli_->Delete(path, headers, progress);
}
inline Result Client::Delete(const std::string &path, const char *body,
size_t content_length,
const std::string &content_type,
DownloadProgress progress) {
return cli_->Delete(path, body, content_length, content_type, progress);
}
inline Result Client::Delete(const std::string &path, const Headers &headers,
const char *body, size_t content_length,
const std::string &content_type,
DownloadProgress progress) {
return cli_->Delete(path, headers, body, content_length, content_type,
progress);
}
inline Result Client::Delete(const std::string &path, const std::string &body,
const std::string &content_type,
DownloadProgress progress) {
return cli_->Delete(path, body, content_type, progress);
}
inline Result Client::Delete(const std::string &path, const Headers &headers,
const std::string &body,
const std::string &content_type,
DownloadProgress progress) {
return cli_->Delete(path, headers, body, content_type, progress);
}
inline Result Client::Delete(const std::string &path, const Params ¶ms,
DownloadProgress progress) {
return cli_->Delete(path, params, progress);
}
inline Result Client::Delete(const std::string &path, const Headers &headers,
const Params ¶ms, DownloadProgress progress) {
return cli_->Delete(path, headers, params, progress);
}
inline Result Client::Options(const std::string &path) {
return cli_->Options(path);
}
inline Result Client::Options(const std::string &path, const Headers &headers) {
return cli_->Options(path, headers);
}
inline ClientImpl::StreamHandle
Client::open_stream(const std::string &method, const std::string &path,
const Params ¶ms, const Headers &headers,
const std::string &body, const std::string &content_type) {
return cli_->open_stream(method, path, params, headers, body, content_type);
}
inline bool Client::send(Request &req, Response &res, Error &error) {
return cli_->send(req, res, error);
}
inline Result Client::send(const Request &req) { return cli_->send(req); }
inline void Client::stop() { cli_->stop(); }
inline std::string Client::host() const { return cli_->host(); }
inline int Client::port() const { return cli_->port(); }
inline size_t Client::is_socket_open() const { return cli_->is_socket_open(); }
inline socket_t Client::socket() const { return cli_->socket(); }
inline void
Client::set_hostname_addr_map(std::map<std::string, std::string> addr_map) {
cli_->set_hostname_addr_map(std::move(addr_map));
}
inline void Client::set_default_headers(Headers headers) {
cli_->set_default_headers(std::move(headers));
}
inline void Client::set_header_writer(
std::function<ssize_t(Stream &, Headers &)> const &writer) {
cli_->set_header_writer(writer);
}
inline void Client::set_address_family(int family) {
cli_->set_address_family(family);
}
inline void Client::set_tcp_nodelay(bool on) { cli_->set_tcp_nodelay(on); }
inline void Client::set_socket_options(SocketOptions socket_options) {
cli_->set_socket_options(std::move(socket_options));
}
inline void Client::set_connection_timeout(time_t sec, time_t usec) {
cli_->set_connection_timeout(sec, usec);
}
inline void Client::set_read_timeout(time_t sec, time_t usec) {
cli_->set_read_timeout(sec, usec);
}
inline void Client::set_write_timeout(time_t sec, time_t usec) {
cli_->set_write_timeout(sec, usec);
}
inline void Client::set_basic_auth(const std::string &username,
const std::string &password) {
cli_->set_basic_auth(username, password);
}
inline void Client::set_bearer_token_auth(const std::string &token) {
cli_->set_bearer_token_auth(token);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
inline void Client::set_digest_auth(const std::string &username,
const std::string &password) {
cli_->set_digest_auth(username, password);
}
#endif
inline void Client::set_keep_alive(bool on) { cli_->set_keep_alive(on); }
inline void Client::set_follow_location(bool on) {
cli_->set_follow_location(on);
}
inline void Client::set_path_encode(bool on) { cli_->set_path_encode(on); }
[[deprecated("Use set_path_encode instead")]]
inline void Client::set_url_encode(bool on) {
cli_->set_path_encode(on);
}
inline void Client::set_compress(bool on) { cli_->set_compress(on); }
inline void Client::set_decompress(bool on) { cli_->set_decompress(on); }
inline void Client::set_interface(const std::string &intf) {
cli_->set_interface(intf);
}
inline void Client::set_proxy(const std::string &host, int port) {
cli_->set_proxy(host, port);
}
inline void Client::set_proxy_basic_auth(const std::string &username,
const std::string &password) {
cli_->set_proxy_basic_auth(username, password);
}
inline void Client::set_proxy_bearer_token_auth(const std::string &token) {
cli_->set_proxy_bearer_token_auth(token);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
inline void Client::set_proxy_digest_auth(const std::string &username,
const std::string &password) {
cli_->set_proxy_digest_auth(username, password);
}
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
inline void Client::enable_server_certificate_verification(bool enabled) {
cli_->enable_server_certificate_verification(enabled);
}
inline void Client::enable_server_hostname_verification(bool enabled) {
cli_->enable_server_hostname_verification(enabled);
}
inline void Client::set_server_certificate_verifier(
std::function<SSLVerifierResponse(SSL *ssl)> verifier) {
cli_->set_server_certificate_verifier(verifier);
}
#endif
inline void Client::set_logger(Logger logger) {
cli_->set_logger(std::move(logger));
}
inline void Client::set_error_logger(ErrorLogger error_logger) {
cli_->set_error_logger(std::move(error_logger));
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
inline void Client::set_ca_cert_path(const std::string &ca_cert_file_path,
const std::string &ca_cert_dir_path) {
cli_->set_ca_cert_path(ca_cert_file_path, ca_cert_dir_path);
}
inline void Client::set_ca_cert_store(X509_STORE *ca_cert_store) {
if (is_ssl_) {
static_cast<SSLClient &>(*cli_).set_ca_cert_store(ca_cert_store);
} else {
cli_->set_ca_cert_store(ca_cert_store);
}
}
inline void Client::load_ca_cert_store(const char *ca_cert, std::size_t size) {
set_ca_cert_store(cli_->create_ca_cert_store(ca_cert, size));
}
inline long Client::get_openssl_verify_result() const {
if (is_ssl_) {
return static_cast<SSLClient &>(*cli_).get_openssl_verify_result();
}
return -1; }
inline SSL_CTX *Client::ssl_context() const {
if (is_ssl_) { return static_cast<SSLClient &>(*cli_).ssl_context(); }
return nullptr;
}
#endif
namespace stream {
class Result {
public:
Result() : chunk_size_(8192) {}
explicit Result(ClientImpl::StreamHandle &&handle, size_t chunk_size = 8192)
: handle_(std::move(handle)), chunk_size_(chunk_size) {}
Result(Result &&other) noexcept
: handle_(std::move(other.handle_)), buffer_(std::move(other.buffer_)),
current_size_(other.current_size_), chunk_size_(other.chunk_size_),
finished_(other.finished_) {
other.current_size_ = 0;
other.finished_ = true;
}
Result &operator=(Result &&other) noexcept {
if (this != &other) {
handle_ = std::move(other.handle_);
buffer_ = std::move(other.buffer_);
current_size_ = other.current_size_;
chunk_size_ = other.chunk_size_;
finished_ = other.finished_;
other.current_size_ = 0;
other.finished_ = true;
}
return *this;
}
Result(const Result &) = delete;
Result &operator=(const Result &) = delete;
bool is_valid() const { return handle_.is_valid(); }
explicit operator bool() const { return is_valid(); }
int status() const {
return handle_.response ? handle_.response->status : -1;
}
const Headers &headers() const {
static const Headers empty_headers;
return handle_.response ? handle_.response->headers : empty_headers;
}
std::string get_header_value(const std::string &key,
const char *def = "") const {
return handle_.response ? handle_.response->get_header_value(key, def)
: def;
}
bool has_header(const std::string &key) const {
return handle_.response ? handle_.response->has_header(key) : false;
}
Error error() const { return handle_.error; }
Error read_error() const { return handle_.get_read_error(); }
bool has_read_error() const { return handle_.has_read_error(); }
bool next() {
if (!handle_.is_valid() || finished_) { return false; }
if (buffer_.size() < chunk_size_) { buffer_.resize(chunk_size_); }
ssize_t n = handle_.read(&buffer_[0], chunk_size_);
if (n > 0) {
current_size_ = static_cast<size_t>(n);
return true;
}
current_size_ = 0;
finished_ = true;
return false;
}
const char *data() const { return buffer_.data(); }
size_t size() const { return current_size_; }
std::string read_all() {
std::string result;
while (next()) {
result.append(data(), size());
}
return result;
}
private:
ClientImpl::StreamHandle handle_;
std::string buffer_;
size_t current_size_ = 0;
size_t chunk_size_;
bool finished_ = false;
};
template <typename ClientType>
inline Result Get(ClientType &cli, const std::string &path,
size_t chunk_size = 8192) {
return Result{cli.open_stream("GET", path), chunk_size};
}
template <typename ClientType>
inline Result Get(ClientType &cli, const std::string &path,
const Headers &headers, size_t chunk_size = 8192) {
return Result{cli.open_stream("GET", path, {}, headers), chunk_size};
}
template <typename ClientType>
inline Result Get(ClientType &cli, const std::string &path,
const Params ¶ms, size_t chunk_size = 8192) {
return Result{cli.open_stream("GET", path, params), chunk_size};
}
template <typename ClientType>
inline Result Get(ClientType &cli, const std::string &path,
const Params ¶ms, const Headers &headers,
size_t chunk_size = 8192) {
return Result{cli.open_stream("GET", path, params, headers), chunk_size};
}
template <typename ClientType>
inline Result Post(ClientType &cli, const std::string &path,
const std::string &body, const std::string &content_type,
size_t chunk_size = 8192) {
return Result{cli.open_stream("POST", path, {}, {}, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Post(ClientType &cli, const std::string &path,
const Headers &headers, const std::string &body,
const std::string &content_type, size_t chunk_size = 8192) {
return Result{cli.open_stream("POST", path, {}, headers, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Post(ClientType &cli, const std::string &path,
const Params ¶ms, const std::string &body,
const std::string &content_type, size_t chunk_size = 8192) {
return Result{cli.open_stream("POST", path, params, {}, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Post(ClientType &cli, const std::string &path,
const Params ¶ms, const Headers &headers,
const std::string &body, const std::string &content_type,
size_t chunk_size = 8192) {
return Result{
cli.open_stream("POST", path, params, headers, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Put(ClientType &cli, const std::string &path,
const std::string &body, const std::string &content_type,
size_t chunk_size = 8192) {
return Result{cli.open_stream("PUT", path, {}, {}, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Put(ClientType &cli, const std::string &path,
const Headers &headers, const std::string &body,
const std::string &content_type, size_t chunk_size = 8192) {
return Result{cli.open_stream("PUT", path, {}, headers, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Put(ClientType &cli, const std::string &path,
const Params ¶ms, const std::string &body,
const std::string &content_type, size_t chunk_size = 8192) {
return Result{cli.open_stream("PUT", path, params, {}, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Put(ClientType &cli, const std::string &path,
const Params ¶ms, const Headers &headers,
const std::string &body, const std::string &content_type,
size_t chunk_size = 8192) {
return Result{
cli.open_stream("PUT", path, params, headers, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Patch(ClientType &cli, const std::string &path,
const std::string &body, const std::string &content_type,
size_t chunk_size = 8192) {
return Result{cli.open_stream("PATCH", path, {}, {}, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Patch(ClientType &cli, const std::string &path,
const Headers &headers, const std::string &body,
const std::string &content_type, size_t chunk_size = 8192) {
return Result{cli.open_stream("PATCH", path, {}, headers, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Patch(ClientType &cli, const std::string &path,
const Params ¶ms, const std::string &body,
const std::string &content_type, size_t chunk_size = 8192) {
return Result{cli.open_stream("PATCH", path, params, {}, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Patch(ClientType &cli, const std::string &path,
const Params ¶ms, const Headers &headers,
const std::string &body, const std::string &content_type,
size_t chunk_size = 8192) {
return Result{
cli.open_stream("PATCH", path, params, headers, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Delete(ClientType &cli, const std::string &path,
size_t chunk_size = 8192) {
return Result{cli.open_stream("DELETE", path), chunk_size};
}
template <typename ClientType>
inline Result Delete(ClientType &cli, const std::string &path,
const Headers &headers, size_t chunk_size = 8192) {
return Result{cli.open_stream("DELETE", path, {}, headers), chunk_size};
}
template <typename ClientType>
inline Result Delete(ClientType &cli, const std::string &path,
const std::string &body, const std::string &content_type,
size_t chunk_size = 8192) {
return Result{cli.open_stream("DELETE", path, {}, {}, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Delete(ClientType &cli, const std::string &path,
const Headers &headers, const std::string &body,
const std::string &content_type,
size_t chunk_size = 8192) {
return Result{
cli.open_stream("DELETE", path, {}, headers, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Delete(ClientType &cli, const std::string &path,
const Params ¶ms, size_t chunk_size = 8192) {
return Result{cli.open_stream("DELETE", path, params), chunk_size};
}
template <typename ClientType>
inline Result Delete(ClientType &cli, const std::string &path,
const Params ¶ms, const Headers &headers,
size_t chunk_size = 8192) {
return Result{cli.open_stream("DELETE", path, params, headers), chunk_size};
}
template <typename ClientType>
inline Result Delete(ClientType &cli, const std::string &path,
const Params ¶ms, const std::string &body,
const std::string &content_type,
size_t chunk_size = 8192) {
return Result{cli.open_stream("DELETE", path, params, {}, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Delete(ClientType &cli, const std::string &path,
const Params ¶ms, const Headers &headers,
const std::string &body, const std::string &content_type,
size_t chunk_size = 8192) {
return Result{
cli.open_stream("DELETE", path, params, headers, body, content_type),
chunk_size};
}
template <typename ClientType>
inline Result Head(ClientType &cli, const std::string &path,
size_t chunk_size = 8192) {
return Result{cli.open_stream("HEAD", path), chunk_size};
}
template <typename ClientType>
inline Result Head(ClientType &cli, const std::string &path,
const Headers &headers, size_t chunk_size = 8192) {
return Result{cli.open_stream("HEAD", path, {}, headers), chunk_size};
}
template <typename ClientType>
inline Result Head(ClientType &cli, const std::string &path,
const Params ¶ms, size_t chunk_size = 8192) {
return Result{cli.open_stream("HEAD", path, params), chunk_size};
}
template <typename ClientType>
inline Result Head(ClientType &cli, const std::string &path,
const Params ¶ms, const Headers &headers,
size_t chunk_size = 8192) {
return Result{cli.open_stream("HEAD", path, params, headers), chunk_size};
}
template <typename ClientType>
inline Result Options(ClientType &cli, const std::string &path,
size_t chunk_size = 8192) {
return Result{cli.open_stream("OPTIONS", path), chunk_size};
}
template <typename ClientType>
inline Result Options(ClientType &cli, const std::string &path,
const Headers &headers, size_t chunk_size = 8192) {
return Result{cli.open_stream("OPTIONS", path, {}, headers), chunk_size};
}
template <typename ClientType>
inline Result Options(ClientType &cli, const std::string &path,
const Params ¶ms, size_t chunk_size = 8192) {
return Result{cli.open_stream("OPTIONS", path, params), chunk_size};
}
template <typename ClientType>
inline Result Options(ClientType &cli, const std::string &path,
const Params ¶ms, const Headers &headers,
size_t chunk_size = 8192) {
return Result{cli.open_stream("OPTIONS", path, params, headers), chunk_size};
}
} }
#endif