forked from Deuxfleurs/tricot
73 lines
2 KiB
Rust
73 lines
2 KiB
Rust
use std::net::SocketAddr;
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use std::sync::Arc;
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use anyhow::Result;
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use log::*;
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use http::uri::Authority;
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use hyper::service::{make_service_fn, service_fn};
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use hyper::{Body, Request, Response, Server, StatusCode, Uri};
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use crate::consul::Consul;
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const CHALLENGE_PREFIX: &str = "/.well-known/acme-challenge/";
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pub async fn serve_http(bind_addr: SocketAddr, consul: Consul) -> Result<()> {
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let consul = Arc::new(consul);
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// For every connection, we must make a `Service` to handle all
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// incoming HTTP requests on said connection.
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let make_svc = make_service_fn(|_conn| {
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let consul = consul.clone();
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// This is the `Service` that will handle the connection.
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// `service_fn` is a helper to convert a function that
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// returns a Response into a `Service`.
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async move {
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Ok::<_, anyhow::Error>(service_fn(move |req: Request<Body>| {
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let consul = consul.clone();
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handle(req, consul)
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}))
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}
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});
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info!("Listening on http://{}", bind_addr);
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let server = Server::bind(&bind_addr).serve(make_svc);
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server.await?;
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Ok(())
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}
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async fn handle(req: Request<Body>, consul: Arc<Consul>) -> Result<Response<Body>> {
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let path = req.uri().path();
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info!("HTTP request {}", path);
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if let Some(token) = path.strip_prefix(CHALLENGE_PREFIX) {
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let response = consul.kv_get(&format!("challenge/{}", token)).await?;
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match response {
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Some(r) => Ok(Response::new(Body::from(r))),
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None => Ok(Response::builder()
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.status(StatusCode::NOT_FOUND)
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.body(Body::from(""))?),
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}
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} else {
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// Redirect to HTTPS
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let uri2 = req.uri().clone();
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let mut parts = uri2.into_parts();
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let host = req
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.headers()
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.get("Host")
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.map(|h| h.to_str())
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.ok_or_else(|| anyhow!("Missing host header"))??
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.to_string();
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parts.authority = Some(Authority::from_maybe_shared(host)?);
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parts.scheme = Some("https".parse().unwrap());
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let uri2 = Uri::from_parts(parts)?;
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Ok(Response::builder()
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.status(StatusCode::MOVED_PERMANENTLY)
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.header("Location", uri2.to_string())
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.body(Body::from(""))?)
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}
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}
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