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#![allow(unused_assignments)]
use crate::config::Config;
use crate::dbuffer::DBuffer;
use crate::error::ServerError;
use crate::http::body::Body;
use crate::http::header::HTTPResponseHeaders;
use crate::http::request::HTTPMethod;
use crate::http::request::HTTPRequest;
use crate::http::response::HTTPResponse;
use crate::http::MimeType;
use crate::http::StatusCode;
use crate::log;
use crate::resource::ResourceLoader;
use crate::route::*;
use crate::ThreadPool;
use crate::RSWEB_SERVER_STR;
use crate::RSWEB_VERSION;
use crate::{error, msg};
use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod};
use std::io::Write;
use std::net::IpAddr;
use std::net::TcpListener;
use std::sync::Arc;
/// an SSL/TLS server using a resource loader and router
pub struct SSLServer {
tp: ThreadPool,
rl: ResourceLoader,
port: usize,
ip: IpAddr,
router: Router,
sslacceptor: Arc<SslAcceptor>,
config: Config,
}
impl SSLServer {
/// create a new SSL server
pub fn new(
capacity: usize,
rl: ResourceLoader,
router: Router,
port: usize,
ip: IpAddr,
privkeyfile: String,
certchainfile: String,
config: Config,
) -> Result<SSLServer, ServerError> {
let mut acceptor = match SslAcceptor::mozilla_intermediate(SslMethod::tls()) {
Ok(n) => n,
Err(_) => {
return Err(ServerError::new("error creating SSL Acceptor"));
}
};
match acceptor.set_private_key_file(privkeyfile.as_str(), SslFiletype::PEM) {
Ok(n) => n,
Err(_) => {
return Err(ServerError::new("error creating SSL Acceptor"));
}
}
match acceptor.set_certificate_chain_file(certchainfile.as_str()) {
Ok(n) => n,
Err(_) => {
return Err(ServerError::new("error creating SSL Acceptor"));
}
}
match acceptor.check_private_key() {
Ok(n) => n,
Err(_) => {
return Err(ServerError::new(
format!("problem with private key: '{}'", privkeyfile).as_str(),
));
}
}
let acceptor = Arc::new(acceptor.build());
Ok(SSLServer {
tp: ThreadPool::new(capacity),
rl,
router,
port,
ip,
sslacceptor: acceptor,
config,
})
}
/// run the SSL server
/// # Arguments
/// `lf`: the logfile to log to
pub fn run(&mut self, lf: &str) -> Result<(), std::io::Error> {
let listener = match TcpListener::bind(format!("{}:{}", self.ip, self.port)) {
Ok(n) => n,
Err(e) => return Err(e),
};
// let listener = match self.ip {
// IpAddr::V4(addr) => match TcpListener::bind(format!("{}:{}", addr, self.port)) {
// Ok(n) => n,
// Err(e) => {
// return Err(e);
// }
// },
// IpAddr::V6(addr) => match TcpListener::bind(format!("{}:{}", addr, self.port)) {
// Ok(n) => n,
// Err(e) => {
// return Err(e);
// }
// },
// };
let mut logger = log::Logger::new();
logger.set_term(btui::Terminal::default());
if let Err(_) = logger.set_logfile(lf) {
error!(logger, "couldn't open log file");
}
msg!(logger, "starting HTTPS server (rsweb {})", RSWEB_VERSION);
msg!(
logger,
"HTTPS server listening on {}:{}",
self.ip,
self.port
);
for stream in listener.incoming() {
match stream {
Ok(stream) => {
let acceptor = self.sslacceptor.clone();
let mut resload = self.rl.clone();
let router = self.router.clone();
let logfile = lf.to_string();
let config = self.config.clone();
self.tp.execute(move || {
let mut logging = log::Logger::new();
logging.set_term(btui::Terminal::new());
let _ = logging.set_logfile(logfile.as_str());
let mut buf = DBuffer::new();
let mut stream = match acceptor.accept(stream) {
Ok(n) => n,
Err(_) => {
error!(logging, "failed SSL handshake");
return;
}
};
if let Err(_) = buf.read_http_request(&mut stream) {
error!(logging, "failed to read from stream");
}
let data: String = match buf.to_string() {
Ok(n) => n,
Err(_) => {
error!(logging, "failed to parse data to utf8");
String::new()
}
};
if let Ok(req) = HTTPRequest::from_string(data) {
msg!(logging, "request: {} {}", req.get_method(), req.get_path());
if let Some(n) = router.lookup(req.get_path()) {
let resp = match n {
Route::Route(p) => p,
Route::Alias(q) => {
let mut headers = vec![HTTPResponseHeaders::Server(
RSWEB_SERVER_STR.to_string(),
)];
let mut body = Body::new(String::new());
let mut status = StatusCode::InternalServerError;
match resload.load(q[1..].to_string()) {
Some(n) => {
headers.push(HTTPResponseHeaders::ContentType(
n.get_mime(),
));
body = Body::from_bytes(n.get_content());
status = StatusCode::Ok;
}
None => {
headers.push(HTTPResponseHeaders::ContentType(
MimeType::Html,
));
body = match config.ssl {
Some(ssl_conf) => {
match ssl_conf.resources.notfound_page {
Some(page) => {
match resload.load(page[1..].to_string()) {
Some(n) => Body::from_bytes(n.get_content()),
None => Body::new(String::from("<h1>404 Not Found</h1>"))
}
},
None => Body::new(String::from("<h1>404 Not Found</h1>"))
}
},
None => Body::new(String::from("<h1>404 Not Found</h1>"))
};
status = StatusCode::NotFound;
}
}
headers.push(HTTPResponseHeaders::ContentLength(
body.get_bytes().len(),
));
if req.get_method() == HTTPMethod::Head {
body = Body::new(String::new());
}
HTTPResponse::new(status, headers, body)
}
};
match stream.write(&resp.to_bytes()) {
Ok(_) => (),
Err(_) => error!(logging, "failed to write to stream"),
}
match stream.flush() {
Ok(_) => (),
Err(_) => error!(logging, "failed to flush stream"),
}
} else {
let mut headers =
vec![HTTPResponseHeaders::Server(RSWEB_SERVER_STR.to_string())];
let mut body = Body::new(String::new());
let mut status = StatusCode::InternalServerError;
match resload.load(req.get_path()[1..].to_string()) {
Some(n) => {
headers
.push(HTTPResponseHeaders::ContentType(n.get_mime()));
body = Body::from_bytes(n.get_content());
status = StatusCode::Ok;
}
None => {
headers
.push(HTTPResponseHeaders::ContentType(MimeType::Html));
body = match config.ssl {
Some(ssl_conf) => {
match ssl_conf.resources.notfound_page {
Some(page) => {
match resload.load(page[1..].to_string()) {
Some(n) => Body::from_bytes(n.get_content()),
None => Body::new(String::from("<h1>404 Not Found</h1>"))
}
},
None => Body::new(String::from("<h1>404 Not Found</h1>"))
}
},
None => Body::new(String::from("<h1>404 Not Found</h1>"))
};
status = StatusCode::NotFound;
}
}
headers.push(HTTPResponseHeaders::ContentLength(
body.get_bytes().len(),
));
if req.get_method() == HTTPMethod::Head {
body = Body::new(String::new());
}
let response = HTTPResponse::new(status, headers, body);
match stream.write(&response.to_bytes()) {
Ok(_) => (),
Err(_) => error!(logging, "failed to write to stream"),
}
match stream.flush() {
Ok(_) => (),
Err(_) => error!(logging, "failed to flush stream"),
}
}
} else {
error!(logging, "failed to parse request");
}
match stream.shutdown() {
Ok(_) => (),
Err(_) => error!(logging, "failed to shutdown stream"),
}
});
}
Err(_) => {
error!(logger, "connection failed");
}
}
}
Ok(())
}
}
/// server using a function to deal with requests
pub struct SSLFuncServer {
tp: ThreadPool,
port: usize,
ip: IpAddr,
logfile: String,
acceptor: Arc<SslAcceptor>,
}
impl SSLFuncServer {
/// create a new server that uses SSL
/// # Arguments
/// * `capacity`: the capacity of the thread pool
/// * `port`: the port to use
/// * `ip`: the ip address to bind to
/// * `logfile`: the logfile to use
/// * `privkeyfile`: file that contains the private key
/// * `certchainfile`: file that contains a certificate chain (or single certificate)
pub fn new(
capacity: usize,
port: usize,
ip: IpAddr,
logfile: &str,
privkeyfile: &str,
certchainfile: &str,
) -> Result<SSLFuncServer, ServerError> {
let mut acceptor = match SslAcceptor::mozilla_intermediate(SslMethod::tls()) {
Ok(n) => n,
Err(_) => {
return Err(ServerError::new("error creating SSL Acceptor"));
}
};
match acceptor.set_private_key_file(privkeyfile, SslFiletype::PEM) {
Ok(_) => (),
Err(_) => {
return Err(ServerError::new("error setting private key file"));
}
}
match acceptor.set_certificate_chain_file(certchainfile) {
Ok(_) => (),
Err(_) => {
return Err(ServerError::new("error setting certificate chain file"));
}
}
match acceptor.check_private_key() {
Ok(_) => (),
Err(_) => {
return Err(ServerError::new(
format!("problem with private key: '{}'", privkeyfile).as_str(),
));
}
}
let acceptor = Arc::new(acceptor.build());
Ok(SSLFuncServer {
tp: ThreadPool::new(capacity),
port,
ip,
logfile: logfile.to_string(),
acceptor,
})
}
/// run the server using `func` as the function
pub fn run<F: 'static>(&mut self, func: F) -> Result<(), std::io::Error>
where
F: FnOnce(HTTPRequest) -> HTTPResponse + std::marker::Send + Copy,
{
let listener = match TcpListener::bind(format!("{}:{}", self.ip, self.port)) {
Ok(n) => n,
Err(e) => return Err(e),
};
// let listener = match self.ip {
// addr => match TcpListener::bind(format!("{}:{}", addr, self.port)) {
// Ok(n) => n,
// Err(e) => return Err(e),
// },
// };
let mut logger = log::Logger::new();
let _ = logger.set_logfile(self.logfile.as_str());
let _ = logger.set_term(btui::Terminal::new());
msg!(logger, "starting HTTP server (rsweb {})", RSWEB_VERSION);
msg!(
logger,
"HTTPS server listening on {}:{}",
self.ip,
self.port
);
for stream in listener.incoming() {
match stream {
Ok(stream) => {
let mut log = log::Logger::new();
let _ = log.set_logfile(self.logfile.as_str());
let _ = log.set_term(btui::Terminal::new());
let acceptor = self.acceptor.clone();
self.tp.execute(move || {
let mut stream = match acceptor.accept(stream) {
Ok(n) => n,
Err(_) => {
error!(log, "failed SSL handshake");
return;
}
};
let mut buf = DBuffer::new();
if let Err(_) = buf.read_http_request(&mut stream) {
error!(log, "failed to read from stream");
return;
}
if let Ok(data) = buf.to_string() {
match HTTPRequest::from_string(data) {
Ok(req) => {
let resp = func(req);
if let Err(_) = stream.write(&resp.to_bytes()) {
error!(log, "failed to write to stream");
}
if let Err(_) = stream.flush() {
error!(log, "failed to flush stream");
}
}
Err(_) => {
error!(log, "failed to parse HTTP request")
}
}
}
});
}
Err(e) => error!(logger, "{}", e),
}
}
Ok(())
}
}