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use std::sync::Arc;
use std::net::SocketAddr;
use futures::future::Future;
use hyper::server::conn::AddrStream;
use hyper::{Body,Request,Response,Server,Uri};
use hyper::header::HOST;
use hyper::service::{make_service_fn, service_fn};
use garage_util::error::Error;
use garage_model::garage::Garage;
pub async fn run_web_server(
garage: Arc<Garage>,
shutdown_signal: impl Future<Output = ()>,
) -> Result<(), Error> {
let addr = &garage.config.s3_web.web_bind_addr;
let service = make_service_fn(|conn: &AddrStream| {
let garage = garage.clone();
let client_addr = conn.remote_addr();
info!("{:?}", client_addr);
async move {
Ok::<_, Error>(service_fn(move |req: Request<Body>| {
let garage = garage.clone();
handler(garage, req, client_addr)
}))
}
});
let server = Server::bind(&addr).serve(service);
let graceful = server.with_graceful_shutdown(shutdown_signal);
info!("Web server listening on http://{}", addr);
graceful.await?;
Ok(())
}
async fn handler(
garage: Arc<Garage>,
req: Request<Body>,
addr: SocketAddr,
) -> Result<Response<Body>, Error> {
// Get http authority string (eg. [::1]:3902)
let authority = req
.headers()
.get(HOST)
.ok_or(Error::BadRequest(format!("HOST header required")))?
.to_str()?;
info!("authority is {}", authority);
// Get HTTP domain/ip from host
//let domain = host.to_socket_
Ok(Response::new(Body::from("hello world\n")))
}
fn authority_to_host(authority: &str) -> Result<String, Error> {
let mut uri_str: String = "fake://".to_owned();
uri_str.push_str(authority);
match uri_str.parse::<Uri>() {
Ok(uri) => {
let host = uri
.host()
.ok_or(Error::BadRequest(format!("Unable to extract host from authority as string")))?;
Ok(String::from(host))
}
_ => Err(Error::BadRequest(format!("Unable to parse authority (host HTTP header)"))),
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn authority_to_host_with_port() -> Result<(), Error> {
let domain = authority_to_host("[::1]:3902")?;
assert_eq!(domain, "[::1]");
let domain2 = authority_to_host("garage.tld:65200")?;
assert_eq!(domain2, "garage.tld");
let domain3 = authority_to_host("127.0.0.1:80")?;
assert_eq!(domain3, "127.0.0.1");
Ok(())
}
#[test]
fn authority_to_host_without_port() -> Result<(), Error> {
let domain = authority_to_host("[::1]")?;
assert_eq!(domain, "[::1]");
let domain2 = authority_to_host("garage.tld")?;
assert_eq!(domain2, "garage.tld");
let domain3 = authority_to_host("127.0.0.1")?;
assert_eq!(domain3, "127.0.0.1");
Ok(())
}
}
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