mirror of
https://github.com/fafhrd91/actix-web
synced 2024-11-28 01:52:57 +01:00
684 lines
21 KiB
Rust
684 lines
21 KiB
Rust
use std::marker::PhantomData;
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use std::pin::Pin;
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use std::task::{Context, Poll};
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use std::{fmt, net, rc};
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use actix_codec::{AsyncRead, AsyncWrite, Framed};
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use actix_rt::net::TcpStream;
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use actix_service::{pipeline_factory, IntoServiceFactory, Service, ServiceFactory};
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use bytes::Bytes;
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use futures_core::{ready, Future};
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use futures_util::future::ok;
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use h2::server::{self, Handshake};
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use pin_project::{pin_project, project};
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use crate::body::MessageBody;
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use crate::builder::HttpServiceBuilder;
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use crate::cloneable::CloneableService;
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use crate::config::{KeepAlive, ServiceConfig};
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use crate::error::{DispatchError, Error};
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use crate::helpers::DataFactory;
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use crate::request::Request;
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use crate::response::Response;
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use crate::{h1, h2::Dispatcher, Protocol};
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/// `ServiceFactory` HTTP1.1/HTTP2 transport implementation
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pub struct HttpService<T, S, B, X = h1::ExpectHandler, U = h1::UpgradeHandler<T>> {
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srv: S,
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cfg: ServiceConfig,
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expect: X,
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upgrade: Option<U>,
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on_connect: Option<rc::Rc<dyn Fn(&T) -> Box<dyn DataFactory>>>,
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_t: PhantomData<(T, B)>,
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}
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impl<T, S, B> HttpService<T, S, B>
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where
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S: ServiceFactory<Config = (), Request = Request>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service>::Future: 'static,
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B: MessageBody + 'static,
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{
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/// Create builder for `HttpService` instance.
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pub fn build() -> HttpServiceBuilder<T, S> {
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HttpServiceBuilder::new()
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}
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}
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impl<T, S, B> HttpService<T, S, B>
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where
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S: ServiceFactory<Config = (), Request = Request>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service>::Future: 'static,
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B: MessageBody + 'static,
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{
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/// Create new `HttpService` instance.
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pub fn new<F: IntoServiceFactory<S>>(service: F) -> Self {
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let cfg = ServiceConfig::new(KeepAlive::Timeout(5), 5000, 0, false, None);
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HttpService {
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cfg,
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srv: service.into_factory(),
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expect: h1::ExpectHandler,
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upgrade: None,
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on_connect: None,
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_t: PhantomData,
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}
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}
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/// Create new `HttpService` instance with config.
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pub(crate) fn with_config<F: IntoServiceFactory<S>>(
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cfg: ServiceConfig,
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service: F,
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) -> Self {
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HttpService {
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cfg,
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srv: service.into_factory(),
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expect: h1::ExpectHandler,
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upgrade: None,
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on_connect: None,
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_t: PhantomData,
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}
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}
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}
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impl<T, S, B, X, U> HttpService<T, S, B, X, U>
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where
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S: ServiceFactory<Config = (), Request = Request>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service>::Future: 'static,
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B: MessageBody,
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{
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/// Provide service for `EXPECT: 100-Continue` support.
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///
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/// Service get called with request that contains `EXPECT` header.
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/// Service must return request in case of success, in that case
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/// request will be forwarded to main service.
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pub fn expect<X1>(self, expect: X1) -> HttpService<T, S, B, X1, U>
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where
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X1: ServiceFactory<Config = (), Request = Request, Response = Request>,
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X1::Error: Into<Error>,
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X1::InitError: fmt::Debug,
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<X1::Service as Service>::Future: 'static,
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{
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HttpService {
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expect,
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cfg: self.cfg,
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srv: self.srv,
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upgrade: self.upgrade,
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on_connect: self.on_connect,
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_t: PhantomData,
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}
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}
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/// Provide service for custom `Connection: UPGRADE` support.
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///
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/// If service is provided then normal requests handling get halted
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/// and this service get called with original request and framed object.
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pub fn upgrade<U1>(self, upgrade: Option<U1>) -> HttpService<T, S, B, X, U1>
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where
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U1: ServiceFactory<
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Config = (),
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Request = (Request, Framed<T, h1::Codec>),
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Response = (),
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>,
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U1::Error: fmt::Display,
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U1::InitError: fmt::Debug,
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<U1::Service as Service>::Future: 'static,
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{
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HttpService {
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upgrade,
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cfg: self.cfg,
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srv: self.srv,
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expect: self.expect,
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on_connect: self.on_connect,
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_t: PhantomData,
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}
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}
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/// Set on connect callback.
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pub(crate) fn on_connect(
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mut self,
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f: Option<rc::Rc<dyn Fn(&T) -> Box<dyn DataFactory>>>,
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) -> Self {
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self.on_connect = f;
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self
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}
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}
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impl<S, B, X, U> HttpService<TcpStream, S, B, X, U>
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where
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S: ServiceFactory<Config = (), Request = Request>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Config = (), Request = Request, Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service>::Future: 'static,
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U: ServiceFactory<
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Config = (),
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Request = (Request, Framed<TcpStream, h1::Codec>),
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Response = (),
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>,
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U::Error: fmt::Display + Into<Error>,
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U::InitError: fmt::Debug,
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<U::Service as Service>::Future: 'static,
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{
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/// Create simple tcp stream service
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pub fn tcp(
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self,
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) -> impl ServiceFactory<
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Config = (),
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Request = TcpStream,
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Response = (),
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Error = DispatchError,
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InitError = (),
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> {
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pipeline_factory(|io: TcpStream| {
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let peer_addr = io.peer_addr().ok();
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ok((io, Protocol::Http1, peer_addr))
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})
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.and_then(self)
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}
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}
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#[cfg(feature = "openssl")]
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mod openssl {
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use super::*;
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use actix_tls::openssl::{Acceptor, SslAcceptor, SslStream};
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use actix_tls::{openssl::HandshakeError, SslError};
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impl<S, B, X, U> HttpService<SslStream<TcpStream>, S, B, X, U>
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where
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S: ServiceFactory<Config = (), Request = Request>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Config = (), Request = Request, Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service>::Future: 'static,
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U: ServiceFactory<
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Config = (),
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Request = (Request, Framed<SslStream<TcpStream>, h1::Codec>),
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Response = (),
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>,
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U::Error: fmt::Display + Into<Error>,
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U::InitError: fmt::Debug,
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<U::Service as Service>::Future: 'static,
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{
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/// Create openssl based service
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pub fn openssl(
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self,
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acceptor: SslAcceptor,
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) -> impl ServiceFactory<
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Config = (),
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Request = TcpStream,
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Response = (),
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Error = SslError<HandshakeError<TcpStream>, DispatchError>,
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InitError = (),
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> {
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pipeline_factory(
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Acceptor::new(acceptor)
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.map_err(SslError::Ssl)
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.map_init_err(|_| panic!()),
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)
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.and_then(|io: SslStream<TcpStream>| {
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let proto = if let Some(protos) = io.ssl().selected_alpn_protocol() {
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if protos.windows(2).any(|window| window == b"h2") {
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Protocol::Http2
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} else {
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Protocol::Http1
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}
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} else {
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Protocol::Http1
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};
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let peer_addr = io.get_ref().peer_addr().ok();
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ok((io, proto, peer_addr))
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})
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.and_then(self.map_err(SslError::Service))
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}
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}
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}
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#[cfg(feature = "rustls")]
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mod rustls {
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use super::*;
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use actix_tls::rustls::{Acceptor, ServerConfig, Session, TlsStream};
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use actix_tls::SslError;
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use std::io;
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impl<S, B, X, U> HttpService<TlsStream<TcpStream>, S, B, X, U>
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where
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S: ServiceFactory<Config = (), Request = Request>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Config = (), Request = Request, Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service>::Future: 'static,
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U: ServiceFactory<
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Config = (),
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Request = (Request, Framed<TlsStream<TcpStream>, h1::Codec>),
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Response = (),
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>,
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U::Error: fmt::Display + Into<Error>,
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U::InitError: fmt::Debug,
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<U::Service as Service>::Future: 'static,
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{
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/// Create openssl based service
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pub fn rustls(
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self,
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mut config: ServerConfig,
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) -> impl ServiceFactory<
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Config = (),
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Request = TcpStream,
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Response = (),
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Error = SslError<io::Error, DispatchError>,
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InitError = (),
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> {
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let protos = vec!["h2".to_string().into(), "http/1.1".to_string().into()];
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config.set_protocols(&protos);
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pipeline_factory(
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Acceptor::new(config)
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.map_err(SslError::Ssl)
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.map_init_err(|_| panic!()),
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)
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.and_then(|io: TlsStream<TcpStream>| {
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let proto = if let Some(protos) = io.get_ref().1.get_alpn_protocol() {
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if protos.windows(2).any(|window| window == b"h2") {
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Protocol::Http2
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} else {
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Protocol::Http1
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}
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} else {
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Protocol::Http1
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};
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let peer_addr = io.get_ref().0.peer_addr().ok();
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ok((io, proto, peer_addr))
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})
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.and_then(self.map_err(SslError::Service))
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}
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}
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}
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impl<T, S, B, X, U> ServiceFactory for HttpService<T, S, B, X, U>
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where
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T: AsyncRead + AsyncWrite + Unpin,
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S: ServiceFactory<Config = (), Request = Request>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Config = (), Request = Request, Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service>::Future: 'static,
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U: ServiceFactory<
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Config = (),
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Request = (Request, Framed<T, h1::Codec>),
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Response = (),
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>,
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U::Error: fmt::Display + Into<Error>,
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U::InitError: fmt::Debug,
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<U::Service as Service>::Future: 'static,
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{
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type Config = ();
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type Request = (T, Protocol, Option<net::SocketAddr>);
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type Response = ();
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type Error = DispatchError;
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type InitError = ();
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type Service = HttpServiceHandler<T, S::Service, B, X::Service, U::Service>;
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type Future = HttpServiceResponse<T, S, B, X, U>;
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fn new_service(&self, _: ()) -> Self::Future {
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HttpServiceResponse {
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fut: self.srv.new_service(()),
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fut_ex: Some(self.expect.new_service(())),
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fut_upg: self.upgrade.as_ref().map(|f| f.new_service(())),
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expect: None,
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upgrade: None,
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on_connect: self.on_connect.clone(),
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cfg: self.cfg.clone(),
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_t: PhantomData,
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}
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}
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}
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#[doc(hidden)]
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#[pin_project]
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pub struct HttpServiceResponse<
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T,
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S: ServiceFactory,
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B,
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X: ServiceFactory,
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U: ServiceFactory,
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> {
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#[pin]
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fut: S::Future,
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#[pin]
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fut_ex: Option<X::Future>,
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#[pin]
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fut_upg: Option<U::Future>,
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expect: Option<X::Service>,
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upgrade: Option<U::Service>,
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on_connect: Option<rc::Rc<dyn Fn(&T) -> Box<dyn DataFactory>>>,
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cfg: ServiceConfig,
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_t: PhantomData<(T, B)>,
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}
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impl<T, S, B, X, U> Future for HttpServiceResponse<T, S, B, X, U>
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where
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T: AsyncRead + AsyncWrite + Unpin,
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S: ServiceFactory<Request = Request>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Request = Request, Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service>::Future: 'static,
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U: ServiceFactory<Request = (Request, Framed<T, h1::Codec>), Response = ()>,
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U::Error: fmt::Display,
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U::InitError: fmt::Debug,
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<U::Service as Service>::Future: 'static,
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{
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type Output =
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Result<HttpServiceHandler<T, S::Service, B, X::Service, U::Service>, ()>;
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fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
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let mut this = self.as_mut().project();
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if let Some(fut) = this.fut_ex.as_pin_mut() {
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let expect = ready!(fut
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.poll(cx)
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.map_err(|e| log::error!("Init http service error: {:?}", e)))?;
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this = self.as_mut().project();
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*this.expect = Some(expect);
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this.fut_ex.set(None);
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}
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if let Some(fut) = this.fut_upg.as_pin_mut() {
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let upgrade = ready!(fut
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.poll(cx)
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.map_err(|e| log::error!("Init http service error: {:?}", e)))?;
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this = self.as_mut().project();
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*this.upgrade = Some(upgrade);
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this.fut_ex.set(None);
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}
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let result = ready!(this
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.fut
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.poll(cx)
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.map_err(|e| log::error!("Init http service error: {:?}", e)));
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Poll::Ready(result.map(|service| {
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let this = self.as_mut().project();
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HttpServiceHandler::new(
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this.cfg.clone(),
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service,
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this.expect.take().unwrap(),
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this.upgrade.take(),
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this.on_connect.clone(),
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)
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}))
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}
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}
|
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|
|
/// `Service` implementation for http transport
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pub struct HttpServiceHandler<T, S: Service, B, X: Service, U: Service> {
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srv: CloneableService<S>,
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expect: CloneableService<X>,
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upgrade: Option<CloneableService<U>>,
|
|
cfg: ServiceConfig,
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on_connect: Option<rc::Rc<dyn Fn(&T) -> Box<dyn DataFactory>>>,
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_t: PhantomData<(T, B, X)>,
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}
|
|
|
|
impl<T, S, B, X, U> HttpServiceHandler<T, S, B, X, U>
|
|
where
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|
S: Service<Request = Request>,
|
|
S::Error: Into<Error> + 'static,
|
|
S::Future: 'static,
|
|
S::Response: Into<Response<B>> + 'static,
|
|
B: MessageBody + 'static,
|
|
X: Service<Request = Request, Response = Request>,
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|
X::Error: Into<Error>,
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U: Service<Request = (Request, Framed<T, h1::Codec>), Response = ()>,
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U::Error: fmt::Display,
|
|
{
|
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fn new(
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cfg: ServiceConfig,
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srv: S,
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expect: X,
|
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upgrade: Option<U>,
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on_connect: Option<rc::Rc<dyn Fn(&T) -> Box<dyn DataFactory>>>,
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) -> HttpServiceHandler<T, S, B, X, U> {
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HttpServiceHandler {
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cfg,
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on_connect,
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srv: CloneableService::new(srv),
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|
expect: CloneableService::new(expect),
|
|
upgrade: upgrade.map(CloneableService::new),
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|
_t: PhantomData,
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}
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}
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}
|
|
|
|
impl<T, S, B, X, U> Service for HttpServiceHandler<T, S, B, X, U>
|
|
where
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|
T: AsyncRead + AsyncWrite + Unpin,
|
|
S: Service<Request = Request>,
|
|
S::Error: Into<Error> + 'static,
|
|
S::Future: 'static,
|
|
S::Response: Into<Response<B>> + 'static,
|
|
B: MessageBody + 'static,
|
|
X: Service<Request = Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<Request = (Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display + Into<Error>,
|
|
{
|
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type Request = (T, Protocol, Option<net::SocketAddr>);
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|
type Response = ();
|
|
type Error = DispatchError;
|
|
type Future = HttpServiceHandlerResponse<T, S, B, X, U>;
|
|
|
|
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
|
|
let ready = self
|
|
.expect
|
|
.poll_ready(cx)
|
|
.map_err(|e| {
|
|
let e = e.into();
|
|
log::error!("Http service readiness error: {:?}", e);
|
|
DispatchError::Service(e)
|
|
})?
|
|
.is_ready();
|
|
|
|
let ready = self
|
|
.srv
|
|
.poll_ready(cx)
|
|
.map_err(|e| {
|
|
let e = e.into();
|
|
log::error!("Http service readiness error: {:?}", e);
|
|
DispatchError::Service(e)
|
|
})?
|
|
.is_ready()
|
|
&& ready;
|
|
|
|
let ready = if let Some(ref mut upg) = self.upgrade {
|
|
upg.poll_ready(cx)
|
|
.map_err(|e| {
|
|
let e = e.into();
|
|
log::error!("Http service readiness error: {:?}", e);
|
|
DispatchError::Service(e)
|
|
})?
|
|
.is_ready()
|
|
&& ready
|
|
} else {
|
|
ready
|
|
};
|
|
|
|
if ready {
|
|
Poll::Ready(Ok(()))
|
|
} else {
|
|
Poll::Pending
|
|
}
|
|
}
|
|
|
|
fn call(&mut self, (io, proto, peer_addr): Self::Request) -> Self::Future {
|
|
let on_connect = if let Some(ref on_connect) = self.on_connect {
|
|
Some(on_connect(&io))
|
|
} else {
|
|
None
|
|
};
|
|
|
|
match proto {
|
|
Protocol::Http2 => HttpServiceHandlerResponse {
|
|
state: State::H2Handshake(Some((
|
|
server::handshake(io),
|
|
self.cfg.clone(),
|
|
self.srv.clone(),
|
|
on_connect,
|
|
peer_addr,
|
|
))),
|
|
},
|
|
Protocol::Http1 => HttpServiceHandlerResponse {
|
|
state: State::H1(h1::Dispatcher::new(
|
|
io,
|
|
self.cfg.clone(),
|
|
self.srv.clone(),
|
|
self.expect.clone(),
|
|
self.upgrade.clone(),
|
|
on_connect,
|
|
peer_addr,
|
|
)),
|
|
},
|
|
}
|
|
}
|
|
}
|
|
|
|
#[pin_project]
|
|
enum State<T, S, B, X, U>
|
|
where
|
|
S: Service<Request = Request>,
|
|
S::Future: 'static,
|
|
S::Error: Into<Error>,
|
|
T: AsyncRead + AsyncWrite + Unpin,
|
|
B: MessageBody,
|
|
X: Service<Request = Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<Request = (Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display,
|
|
{
|
|
H1(#[pin] h1::Dispatcher<T, S, B, X, U>),
|
|
H2(#[pin] Dispatcher<T, S, B>),
|
|
H2Handshake(
|
|
Option<(
|
|
Handshake<T, Bytes>,
|
|
ServiceConfig,
|
|
CloneableService<S>,
|
|
Option<Box<dyn DataFactory>>,
|
|
Option<net::SocketAddr>,
|
|
)>,
|
|
),
|
|
}
|
|
|
|
#[pin_project]
|
|
pub struct HttpServiceHandlerResponse<T, S, B, X, U>
|
|
where
|
|
T: AsyncRead + AsyncWrite + Unpin,
|
|
S: Service<Request = Request>,
|
|
S::Error: Into<Error> + 'static,
|
|
S::Future: 'static,
|
|
S::Response: Into<Response<B>> + 'static,
|
|
B: MessageBody + 'static,
|
|
X: Service<Request = Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<Request = (Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display,
|
|
{
|
|
#[pin]
|
|
state: State<T, S, B, X, U>,
|
|
}
|
|
|
|
impl<T, S, B, X, U> Future for HttpServiceHandlerResponse<T, S, B, X, U>
|
|
where
|
|
T: AsyncRead + AsyncWrite + Unpin,
|
|
S: Service<Request = Request>,
|
|
S::Error: Into<Error> + 'static,
|
|
S::Future: 'static,
|
|
S::Response: Into<Response<B>> + 'static,
|
|
B: MessageBody,
|
|
X: Service<Request = Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<Request = (Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display,
|
|
{
|
|
type Output = Result<(), DispatchError>;
|
|
|
|
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
|
|
self.project().state.poll(cx)
|
|
}
|
|
}
|
|
|
|
impl<T, S, B, X, U> State<T, S, B, X, U>
|
|
where
|
|
T: AsyncRead + AsyncWrite + Unpin,
|
|
S: Service<Request = Request>,
|
|
S::Error: Into<Error> + 'static,
|
|
S::Response: Into<Response<B>> + 'static,
|
|
B: MessageBody + 'static,
|
|
X: Service<Request = Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<Request = (Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display,
|
|
{
|
|
#[project]
|
|
fn poll(
|
|
mut self: Pin<&mut Self>,
|
|
cx: &mut Context<'_>,
|
|
) -> Poll<Result<(), DispatchError>> {
|
|
#[project]
|
|
match self.as_mut().project() {
|
|
State::H1(disp) => disp.poll(cx),
|
|
State::H2(disp) => disp.poll(cx),
|
|
State::H2Handshake(ref mut data) => {
|
|
let conn = if let Some(ref mut item) = data {
|
|
match Pin::new(&mut item.0).poll(cx) {
|
|
Poll::Ready(Ok(conn)) => conn,
|
|
Poll::Ready(Err(err)) => {
|
|
trace!("H2 handshake error: {}", err);
|
|
return Poll::Ready(Err(err.into()));
|
|
}
|
|
Poll::Pending => return Poll::Pending,
|
|
}
|
|
} else {
|
|
panic!()
|
|
};
|
|
let (_, cfg, srv, on_connect, peer_addr) = data.take().unwrap();
|
|
self.set(State::H2(Dispatcher::new(
|
|
srv, conn, on_connect, cfg, None, peer_addr,
|
|
)));
|
|
self.poll(cx)
|
|
}
|
|
}
|
|
}
|
|
}
|