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use futures::{future, future::BoxFuture, Stream, stream, future::FutureExt, stream::TryStreamExt};
use hyper::{Request, Response, StatusCode, Body, HeaderMap};
use hyper::header::{HeaderName, HeaderValue, CONTENT_TYPE};
use log::warn;
#[allow(unused_imports)]
use std::convert::{TryFrom, TryInto};
use std::error::Error;
use std::future::Future;
use std::marker::PhantomData;
use std::task::{Context, Poll};
use swagger::{ApiError, BodyExt, Has, RequestParser, XSpanIdString};
pub use swagger::auth::Authorization;
use swagger::auth::Scopes;
use url::form_urlencoded;
#[allow(unused_imports)]
use crate::models;
use crate::header;
pub use crate::context;
type ServiceFuture = BoxFuture<'static, Result<Response<Body>, crate::ServiceError>>;
use crate::{Api,
ActivateUserResponse,
DeactivateUserResponse,
UpdatePasswordResponse,
QueryUserByIdResponse,
QueryUsersResponse
};
mod paths {
use lazy_static::lazy_static;
lazy_static! {
pub static ref GLOBAL_REGEX_SET: regex::RegexSet = regex::RegexSet::new(vec![
r"^/mutation-api/users/activation$",
r"^/mutation-api/users/deactivation$",
r"^/mutation-api/users/password$",
r"^/query-api/users$",
r"^/query-api/users/(?P<id>[^/?#]*)$"
])
.expect("Unable to create global regex set");
}
pub(crate) static ID_MUTATION_API_USERS_ACTIVATION: usize = 0;
pub(crate) static ID_MUTATION_API_USERS_DEACTIVATION: usize = 1;
pub(crate) static ID_MUTATION_API_USERS_PASSWORD: usize = 2;
pub(crate) static ID_QUERY_API_USERS: usize = 3;
pub(crate) static ID_QUERY_API_USERS_ID: usize = 4;
lazy_static! {
pub static ref REGEX_QUERY_API_USERS_ID: regex::Regex =
regex::Regex::new(r"^/query-api/users/(?P<id>[^/?#]*)$")
.expect("Unable to create regex for QUERY_API_USERS_ID");
}
}
pub struct MakeService<T, C> where
T: Api<C> + Clone + Send + 'static,
C: Has<XSpanIdString> + Has<Option<Authorization>> + Send + Sync + 'static
{
api_impl: T,
marker: PhantomData<C>,
}
impl<T, C> MakeService<T, C> where
T: Api<C> + Clone + Send + 'static,
C: Has<XSpanIdString> + Has<Option<Authorization>> + Send + Sync + 'static
{
pub fn new(api_impl: T) -> Self {
MakeService {
api_impl,
marker: PhantomData
}
}
}
impl<T, C, Target> hyper::service::Service<Target> for MakeService<T, C> where
T: Api<C> + Clone + Send + 'static,
C: Has<XSpanIdString> + Has<Option<Authorization>> + Send + Sync + 'static
{
type Response = Service<T, C>;
type Error = crate::ServiceError;
type Future = future::Ready<Result<Self::Response, Self::Error>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
Poll::Ready(Ok(()))
}
fn call(&mut self, target: Target) -> Self::Future {
futures::future::ok(Service::new(
self.api_impl.clone(),
))
}
}
fn method_not_allowed() -> Result<Response<Body>, crate::ServiceError> {
Ok(
Response::builder().status(StatusCode::METHOD_NOT_ALLOWED)
.body(Body::empty())
.expect("Unable to create Method Not Allowed response")
)
}
pub struct Service<T, C> where
T: Api<C> + Clone + Send + 'static,
C: Has<XSpanIdString> + Has<Option<Authorization>> + Send + Sync + 'static
{
api_impl: T,
marker: PhantomData<C>,
}
impl<T, C> Service<T, C> where
T: Api<C> + Clone + Send + 'static,
C: Has<XSpanIdString> + Has<Option<Authorization>> + Send + Sync + 'static
{
pub fn new(api_impl: T) -> Self {
Service {
api_impl: api_impl,
marker: PhantomData
}
}
}
impl<T, C> Clone for Service<T, C> where
T: Api<C> + Clone + Send + 'static,
C: Has<XSpanIdString> + Has<Option<Authorization>> + Send + Sync + 'static
{
fn clone(&self) -> Self {
Service {
api_impl: self.api_impl.clone(),
marker: self.marker.clone(),
}
}
}
impl<T, C> hyper::service::Service<(Request<Body>, C)> for Service<T, C> where
T: Api<C> + Clone + Send + Sync + 'static,
C: Has<XSpanIdString> + Has<Option<Authorization>> + Send + Sync + 'static
{
type Response = Response<Body>;
type Error = crate::ServiceError;
type Future = ServiceFuture;
fn poll_ready(&mut self, cx: &mut Context) -> Poll<Result<(), Self::Error>> {
self.api_impl.poll_ready(cx)
}
fn call(&mut self, req: (Request<Body>, C)) -> Self::Future { async fn run<T, C>(mut api_impl: T, req: (Request<Body>, C)) -> Result<Response<Body>, crate::ServiceError> where
T: Api<C> + Clone + Send + 'static,
C: Has<XSpanIdString> + Has<Option<Authorization>> + Send + Sync + 'static
{
let (request, context) = req;
let (parts, body) = request.into_parts();
let (method, uri, headers) = (parts.method, parts.uri, parts.headers);
let path = paths::GLOBAL_REGEX_SET.matches(uri.path());
match &method {
&hyper::Method::POST if path.matched(paths::ID_MUTATION_API_USERS_ACTIVATION) => {
{
let authorization = match (&context as &dyn Has<Option<Authorization>>).get() {
&Some(ref authorization) => authorization,
&None => return Ok(Response::builder()
.status(StatusCode::FORBIDDEN)
.body(Body::from("Unauthenticated"))
.expect("Unable to create Authentication Forbidden response")),
};
}
let result = api_impl.activate_user(
&context
).await;
let mut response = Response::new(Body::empty());
response.headers_mut().insert(
HeaderName::from_static("x-span-id"),
HeaderValue::from_str((&context as &dyn Has<XSpanIdString>).get().0.clone().to_string().as_str())
.expect("Unable to create X-Span-ID header value"));
match result {
Ok(rsp) => match rsp {
ActivateUserResponse::SuccessfulOperation
(body)
=> {
*response.status_mut() = StatusCode::from_u16(200).expect("Unable to turn 200 into a StatusCode");
response.headers_mut().insert(
CONTENT_TYPE,
HeaderValue::from_str("application/json")
.expect("Unable to create Content-Type header for ACTIVATE_USER_SUCCESSFUL_OPERATION"));
let body = serde_json::to_string(&body).expect("impossible to fail to serialize");
*response.body_mut() = Body::from(body);
},
ActivateUserResponse::InvalidInput
=> {
*response.status_mut() = StatusCode::from_u16(405).expect("Unable to turn 405 into a StatusCode");
},
},
Err(_) => {
*response.status_mut() = StatusCode::INTERNAL_SERVER_ERROR;
*response.body_mut() = Body::from("An internal error occurred");
},
}
Ok(response)
},
&hyper::Method::POST if path.matched(paths::ID_MUTATION_API_USERS_DEACTIVATION) => {
{
let authorization = match (&context as &dyn Has<Option<Authorization>>).get() {
&Some(ref authorization) => authorization,
&None => return Ok(Response::builder()
.status(StatusCode::FORBIDDEN)
.body(Body::from("Unauthenticated"))
.expect("Unable to create Authentication Forbidden response")),
};
}
let result = api_impl.deactivate_user(
&context
).await;
let mut response = Response::new(Body::empty());
response.headers_mut().insert(
HeaderName::from_static("x-span-id"),
HeaderValue::from_str((&context as &dyn Has<XSpanIdString>).get().0.clone().to_string().as_str())
.expect("Unable to create X-Span-ID header value"));
match result {
Ok(rsp) => match rsp {
DeactivateUserResponse::SuccessfulOperation
(body)
=> {
*response.status_mut() = StatusCode::from_u16(200).expect("Unable to turn 200 into a StatusCode");
response.headers_mut().insert(
CONTENT_TYPE,
HeaderValue::from_str("application/json")
.expect("Unable to create Content-Type header for DEACTIVATE_USER_SUCCESSFUL_OPERATION"));
let body = serde_json::to_string(&body).expect("impossible to fail to serialize");
*response.body_mut() = Body::from(body);
},
DeactivateUserResponse::InvalidInput
=> {
*response.status_mut() = StatusCode::from_u16(405).expect("Unable to turn 405 into a StatusCode");
},
},
Err(_) => {
*response.status_mut() = StatusCode::INTERNAL_SERVER_ERROR;
*response.body_mut() = Body::from("An internal error occurred");
},
}
Ok(response)
},
&hyper::Method::PUT if path.matched(paths::ID_MUTATION_API_USERS_PASSWORD) => {
{
let authorization = match (&context as &dyn Has<Option<Authorization>>).get() {
&Some(ref authorization) => authorization,
&None => return Ok(Response::builder()
.status(StatusCode::FORBIDDEN)
.body(Body::from("Unauthenticated"))
.expect("Unable to create Authentication Forbidden response")),
};
}
let result = body.to_raw().await;
match result {
Ok(body) => {
let mut unused_elements = Vec::new();
let param_inline_object: Option<models::InlineObject> = if !body.is_empty() {
let deserializer = &mut serde_json::Deserializer::from_slice(&*body);
match serde_ignored::deserialize(deserializer, |path| {
warn!("Ignoring unknown field in body: {}", path);
unused_elements.push(path.to_string());
}) {
Ok(param_inline_object) => param_inline_object,
Err(e) => return Ok(Response::builder()
.status(StatusCode::BAD_REQUEST)
.body(Body::from(format!("Couldn't parse body parameter InlineObject - doesn't match schema: {}", e)))
.expect("Unable to create Bad Request response for invalid body parameter InlineObject due to schema")),
}
} else {
None
};
let param_inline_object = match param_inline_object {
Some(param_inline_object) => param_inline_object,
None => return Ok(Response::builder()
.status(StatusCode::BAD_REQUEST)
.body(Body::from("Missing required body parameter InlineObject"))
.expect("Unable to create Bad Request response for missing body parameter InlineObject")),
};
let result = api_impl.update_password(
param_inline_object,
&context
).await;
let mut response = Response::new(Body::empty());
response.headers_mut().insert(
HeaderName::from_static("x-span-id"),
HeaderValue::from_str((&context as &dyn Has<XSpanIdString>).get().0.clone().to_string().as_str())
.expect("Unable to create X-Span-ID header value"));
if !unused_elements.is_empty() {
response.headers_mut().insert(
HeaderName::from_static("warning"),
HeaderValue::from_str(format!("Ignoring unknown fields in body: {:?}", unused_elements).as_str())
.expect("Unable to create Warning header value"));
}
match result {
Ok(rsp) => match rsp {
UpdatePasswordResponse::SuccessfulOperation
(body)
=> {
*response.status_mut() = StatusCode::from_u16(200).expect("Unable to turn 200 into a StatusCode");
response.headers_mut().insert(
CONTENT_TYPE,
HeaderValue::from_str("application/json")
.expect("Unable to create Content-Type header for UPDATE_PASSWORD_SUCCESSFUL_OPERATION"));
let body = serde_json::to_string(&body).expect("impossible to fail to serialize");
*response.body_mut() = Body::from(body);
},
UpdatePasswordResponse::InvalidInput
=> {
*response.status_mut() = StatusCode::from_u16(405).expect("Unable to turn 405 into a StatusCode");
},
},
Err(_) => {
*response.status_mut() = StatusCode::INTERNAL_SERVER_ERROR;
*response.body_mut() = Body::from("An internal error occurred");
},
}
Ok(response)
},
Err(e) => Ok(Response::builder()
.status(StatusCode::BAD_REQUEST)
.body(Body::from(format!("Couldn't read body parameter InlineObject: {}", e)))
.expect("Unable to create Bad Request response due to unable to read body parameter InlineObject")),
}
},
&hyper::Method::GET if path.matched(paths::ID_QUERY_API_USERS_ID) => {
{
let authorization = match (&context as &dyn Has<Option<Authorization>>).get() {
&Some(ref authorization) => authorization,
&None => return Ok(Response::builder()
.status(StatusCode::FORBIDDEN)
.body(Body::from("Unauthenticated"))
.expect("Unable to create Authentication Forbidden response")),
};
}
let path: &str = &uri.path().to_string();
let path_params =
paths::REGEX_QUERY_API_USERS_ID
.captures(&path)
.unwrap_or_else(||
panic!("Path {} matched RE QUERY_API_USERS_ID in set but failed match against \"{}\"", path, paths::REGEX_QUERY_API_USERS_ID.as_str())
);
let param_id = match percent_encoding::percent_decode(path_params["id"].as_bytes()).decode_utf8() {
Ok(param_id) => match param_id.parse::<uuid::Uuid>() {
Ok(param_id) => param_id,
Err(e) => return Ok(Response::builder()
.status(StatusCode::BAD_REQUEST)
.body(Body::from(format!("Couldn't parse path parameter id: {}", e)))
.expect("Unable to create Bad Request response for invalid path parameter")),
},
Err(_) => return Ok(Response::builder()
.status(StatusCode::BAD_REQUEST)
.body(Body::from(format!("Couldn't percent-decode path parameter as UTF-8: {}", &path_params["id"])))
.expect("Unable to create Bad Request response for invalid percent decode"))
};
let result = api_impl.query_user_by_id(
param_id,
&context
).await;
let mut response = Response::new(Body::empty());
response.headers_mut().insert(
HeaderName::from_static("x-span-id"),
HeaderValue::from_str((&context as &dyn Has<XSpanIdString>).get().0.clone().to_string().as_str())
.expect("Unable to create X-Span-ID header value"));
match result {
Ok(rsp) => match rsp {
QueryUserByIdResponse::SuccessfulOperation
(body)
=> {
*response.status_mut() = StatusCode::from_u16(200).expect("Unable to turn 200 into a StatusCode");
response.headers_mut().insert(
CONTENT_TYPE,
HeaderValue::from_str("application/json")
.expect("Unable to create Content-Type header for QUERY_USER_BY_ID_SUCCESSFUL_OPERATION"));
let body = serde_json::to_string(&body).expect("impossible to fail to serialize");
*response.body_mut() = Body::from(body);
},
QueryUserByIdResponse::InvalidIDSupplied
=> {
*response.status_mut() = StatusCode::from_u16(400).expect("Unable to turn 400 into a StatusCode");
},
QueryUserByIdResponse::UserNotFound
=> {
*response.status_mut() = StatusCode::from_u16(404).expect("Unable to turn 404 into a StatusCode");
},
},
Err(_) => {
*response.status_mut() = StatusCode::INTERNAL_SERVER_ERROR;
*response.body_mut() = Body::from("An internal error occurred");
},
}
Ok(response)
},
&hyper::Method::GET if path.matched(paths::ID_QUERY_API_USERS) => {
{
let authorization = match (&context as &dyn Has<Option<Authorization>>).get() {
&Some(ref authorization) => authorization,
&None => return Ok(Response::builder()
.status(StatusCode::FORBIDDEN)
.body(Body::from("Unauthenticated"))
.expect("Unable to create Authentication Forbidden response")),
};
}
let query_params = form_urlencoded::parse(uri.query().unwrap_or_default().as_bytes()).collect::<Vec<_>>();
let param_username = query_params.iter().filter(|e| e.0 == "username").map(|e| e.1.to_owned())
.nth(0);
let param_username = match param_username {
Some(param_username) => {
let param_username =
<String as std::str::FromStr>::from_str
(¶m_username);
match param_username {
Ok(param_username) => Some(param_username),
Err(e) => return Ok(Response::builder()
.status(StatusCode::BAD_REQUEST)
.body(Body::from(format!("Couldn't parse query parameter username - doesn't match schema: {}", e)))
.expect("Unable to create Bad Request response for invalid query parameter username")),
}
},
None => None,
};
let param_phone = query_params.iter().filter(|e| e.0 == "phone").map(|e| e.1.to_owned())
.nth(0);
let param_phone = match param_phone {
Some(param_phone) => {
let param_phone =
<String as std::str::FromStr>::from_str
(¶m_phone);
match param_phone {
Ok(param_phone) => Some(param_phone),
Err(e) => return Ok(Response::builder()
.status(StatusCode::BAD_REQUEST)
.body(Body::from(format!("Couldn't parse query parameter phone - doesn't match schema: {}", e)))
.expect("Unable to create Bad Request response for invalid query parameter phone")),
}
},
None => None,
};
let result = api_impl.query_users(
param_username,
param_phone,
&context
).await;
let mut response = Response::new(Body::empty());
response.headers_mut().insert(
HeaderName::from_static("x-span-id"),
HeaderValue::from_str((&context as &dyn Has<XSpanIdString>).get().0.clone().to_string().as_str())
.expect("Unable to create X-Span-ID header value"));
match result {
Ok(rsp) => match rsp {
QueryUsersResponse::SuccessfulOperation
(body)
=> {
*response.status_mut() = StatusCode::from_u16(200).expect("Unable to turn 200 into a StatusCode");
response.headers_mut().insert(
CONTENT_TYPE,
HeaderValue::from_str("application/json")
.expect("Unable to create Content-Type header for QUERY_USERS_SUCCESSFUL_OPERATION"));
let body = serde_json::to_string(&body).expect("impossible to fail to serialize");
*response.body_mut() = Body::from(body);
},
QueryUsersResponse::InvalidIDSupplied
=> {
*response.status_mut() = StatusCode::from_u16(400).expect("Unable to turn 400 into a StatusCode");
},
QueryUsersResponse::UserNotFound
=> {
*response.status_mut() = StatusCode::from_u16(404).expect("Unable to turn 404 into a StatusCode");
},
},
Err(_) => {
*response.status_mut() = StatusCode::INTERNAL_SERVER_ERROR;
*response.body_mut() = Body::from("An internal error occurred");
},
}
Ok(response)
},
_ if path.matched(paths::ID_MUTATION_API_USERS_ACTIVATION) => method_not_allowed(),
_ if path.matched(paths::ID_MUTATION_API_USERS_DEACTIVATION) => method_not_allowed(),
_ if path.matched(paths::ID_MUTATION_API_USERS_PASSWORD) => method_not_allowed(),
_ if path.matched(paths::ID_QUERY_API_USERS) => method_not_allowed(),
_ if path.matched(paths::ID_QUERY_API_USERS_ID) => method_not_allowed(),
_ => Ok(Response::builder().status(StatusCode::NOT_FOUND)
.body(Body::empty())
.expect("Unable to create Not Found response"))
}
} Box::pin(run(self.api_impl.clone(), req)) }
}
pub struct ApiRequestParser;
impl<T> RequestParser<T> for ApiRequestParser {
fn parse_operation_id(request: &Request<T>) -> Result<&'static str, ()> {
let path = paths::GLOBAL_REGEX_SET.matches(request.uri().path());
match request.method() {
&hyper::Method::POST if path.matched(paths::ID_MUTATION_API_USERS_ACTIVATION) => Ok("ActivateUser"),
&hyper::Method::POST if path.matched(paths::ID_MUTATION_API_USERS_DEACTIVATION) => Ok("DeactivateUser"),
&hyper::Method::PUT if path.matched(paths::ID_MUTATION_API_USERS_PASSWORD) => Ok("UpdatePassword"),
&hyper::Method::GET if path.matched(paths::ID_QUERY_API_USERS_ID) => Ok("QueryUserById"),
&hyper::Method::GET if path.matched(paths::ID_QUERY_API_USERS) => Ok("QueryUsers"),
_ => Err(()),
}
}
}