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Actually that was quite a stupid way of handling timeouts

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Alex 2022-01-24 20:55:26 +01:00
parent 7d5070c57d
commit ea050c7045
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GPG key ID: EDABF9711E244EB1
3 changed files with 30 additions and 32 deletions
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25
src/https.rs
View file

@ -9,7 +9,7 @@ use log::*;
use accept_encoding_fork::Encoding;
use async_compression::tokio::bufread::*;
use futures::stream::FuturesUnordered;
use futures::{Future, StreamExt, TryStreamExt};
use futures::{StreamExt, TryStreamExt};
use http::header::{HeaderName, HeaderValue};
use http::method::Method;
use hyper::server::conn::Http;
@ -25,7 +25,6 @@ use crate::cert_store::{CertStore, StoreResolver};
use crate::proxy_config::ProxyConfig;
use crate::reverse_proxy;
const PROXY_TIMEOUT: Duration = Duration::from_secs(60);
const MAX_CONNECTION_LIFETIME: Duration = Duration::from_secs(24 * 3600);
pub struct HttpsConfig {
@ -189,11 +188,10 @@ async fn handle(
let mut response = if proxy_to.https_target {
let to_addr = format!("https://{}", proxy_to.target_addr);
handle_timeout_and_error(reverse_proxy::call_https(remote_addr.ip(), &to_addr, req))
.await
handle_error(reverse_proxy::call_https(remote_addr.ip(), &to_addr, req).await)
} else {
let to_addr = format!("http://{}", proxy_to.target_addr);
handle_timeout_and_error(reverse_proxy::call(remote_addr.ip(), &to_addr, req)).await
handle_error(reverse_proxy::call(remote_addr.ip(), &to_addr, req).await)
};
// Do further processing (compression, additionnal headers) only for 2xx responses
@ -225,27 +223,14 @@ async fn handle(
}
}
async fn handle_timeout_and_error(
fut: impl Future<Output = Result<Response<Body>>>,
) -> Response<Body> {
select!(
resp = fut => {
fn handle_error(resp: Result<Response<Body>>) -> Response<Body> {
match resp {
Ok(resp) => resp,
Err(e) =>
Response::builder()
Err(e) => Response::builder()
.status(StatusCode::BAD_GATEWAY)
.body(Body::from(format!("Proxy error: {}", e)))
.unwrap(),
}
}
_ = tokio::time::sleep(PROXY_TIMEOUT) => {
Response::builder()
.status(StatusCode::BAD_GATEWAY)
.body(Body::from("Proxy timeout"))
.unwrap()
}
)
}
async fn try_compress(

18
src/reverse_proxy.rs
View file

@ -5,19 +5,21 @@ use std::convert::TryInto;
use std::net::IpAddr;
use std::str::FromStr;
use std::sync::Arc;
use std::time::SystemTime;
use std::time::{Duration, SystemTime};
use anyhow::Result;
use log::*;
use http::header::HeaderName;
use hyper::header::{HeaderMap, HeaderValue};
use hyper::{header, Body, Client, Request, Response, Uri};
use hyper::{client::HttpConnector, header, Body, Client, Request, Response, Uri};
use rustls::client::{ServerCertVerified, ServerCertVerifier};
use rustls::{Certificate, ServerName};
use crate::tls_util::HttpsConnectorFixedDnsname;
pub const PROXY_TIMEOUT: Duration = Duration::from_secs(60);
const HOP_HEADERS: &[HeaderName] = &[
header::CONNECTION,
//header::KEEP_ALIVE,
@ -128,7 +130,11 @@ pub async fn call(
trace!("Proxied request: {:?}", proxied_request);
let client = Client::new();
let mut connector = HttpConnector::new();
connector.set_connect_timeout(Some(PROXY_TIMEOUT));
let client: Client<_, hyper::Body> = Client::builder().build(connector);
let response = client.request(proxied_request).await?;
trace!("Inner response: {:?}", response);
@ -150,7 +156,11 @@ pub async fn call_https(
.with_safe_defaults()
.with_custom_certificate_verifier(Arc::new(DontVerifyServerCert))
.with_no_client_auth();
let connector = HttpsConnectorFixedDnsname::new(tls_config, "dummy");
let mut http_connector = HttpConnector::new();
http_connector.set_connect_timeout(Some(PROXY_TIMEOUT));
let connector = HttpsConnectorFixedDnsname::new(tls_config, "dummy", http_connector);
let client: Client<_, hyper::Body> = Client::builder().build(connector);
let response = client.request(proxied_request).await?;

7
src/tls_util.rs
View file

@ -23,8 +23,11 @@ pub struct HttpsConnectorFixedDnsname<T> {
}
type BoxError = Box<dyn std::error::Error + Send + Sync>;
impl HttpsConnectorFixedDnsname<HttpConnector> {
pub fn new(mut tls_config: rustls::ClientConfig, fixed_dnsname: &'static str) -> Self {
let mut http = HttpConnector::new();
pub fn new(
mut tls_config: rustls::ClientConfig,
fixed_dnsname: &'static str,
mut http: HttpConnector,
) -> Self {
http.enforce_http(false);
tls_config.alpn_protocols = vec![b"h2".to_vec(), b"http/1.1".to_vec()];
Self {