68 lines
2.2 KiB
Rust
68 lines
2.2 KiB
Rust
use hyper::server::conn::AddrStream;
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use hyper::service::{make_service_fn, service_fn};
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use hyper::{Body, Request, Response, Server, StatusCode};
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use hyper_reverse_proxy::ReverseProxy;
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use hyper_trust_dns::{RustlsHttpsConnector, TrustDnsResolver};
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use std::net::IpAddr;
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use std::{convert::Infallible, net::SocketAddr};
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lazy_static::lazy_static! {
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static ref PROXY_CLIENT: ReverseProxy<RustlsHttpsConnector> = {
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ReverseProxy::new(
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hyper::Client::builder().build::<_, hyper::Body>(TrustDnsResolver::default().into_rustls_webpki_https_connector()),
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)
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};
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}
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fn debug_request(req: &Request<Body>) -> Result<Response<Body>, Infallible> {
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let body_str = format!("{:?}", req);
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Ok(Response::new(Body::from(body_str)))
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}
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async fn handle(client_ip: IpAddr, req: Request<Body>) -> Result<Response<Body>, Infallible> {
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if req.uri().path().starts_with("/target/first") {
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match PROXY_CLIENT
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.call(client_ip, "http://127.0.0.1:13901", req)
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.await
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{
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Ok(response) => Ok(response),
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Err(_error) => Ok(Response::builder()
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.status(StatusCode::INTERNAL_SERVER_ERROR)
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.body(Body::empty())
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.unwrap()),
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}
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} else if req.uri().path().starts_with("/target/second") {
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match PROXY_CLIENT
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.call(client_ip, "http://127.0.0.1:13902", req)
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.await
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{
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Ok(response) => Ok(response),
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Err(_error) => Ok(Response::builder()
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.status(StatusCode::INTERNAL_SERVER_ERROR)
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.body(Body::empty())
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.unwrap()),
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}
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} else {
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debug_request(&req)
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}
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}
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#[tokio::main]
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async fn main() {
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let bind_addr = "127.0.0.1:8000";
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let addr: SocketAddr = bind_addr.parse().expect("Could not parse ip:port.");
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let make_svc = make_service_fn(|conn: &AddrStream| {
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let remote_addr = conn.remote_addr().ip();
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async move { Ok::<_, Infallible>(service_fn(move |req| handle(remote_addr, req))) }
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});
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let server = Server::bind(&addr).serve(make_svc);
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println!("Running server on {:?}", addr);
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if let Err(e) = server.await {
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eprintln!("server error: {}", e);
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}
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}
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