micropelago/hyper-reverse-proxy
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refactoring

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This commit is contained in:
Felipe Noronha 2018-11-24 13:54:37 -02:00
parent 692d287ee4
commit fed9dd66b6
1 changed files with 18 additions and 10 deletions
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28
src/lib.rs
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@ -67,19 +67,27 @@ fn create_proxied_request<B>(client_ip: IpAddr, forward_url: &str, mut request:
*request.headers_mut() = remove_hop_headers(request.headers());
*request.uri_mut() = forward_uri(forward_url, &request);
let x_forwarded_for_header_name = "x-forwarded-for";
// Add forwarding information in the headers
match request.headers_mut().entry("x-forwarded-for") {
Ok(hyper::header::Entry::Vacant(entry)) => {
let addr = format!("{}", client_ip);
entry.insert(addr.parse().unwrap());
},
match request.headers_mut().entry(x_forwarded_for_header_name) {
Ok(hyper::header::Entry::Occupied(mut entry)) => {
let addr = format!("{}, {}", entry.get().to_str().unwrap(), client_ip);
entry.insert(addr.parse().unwrap());
},
Ok(header_entry) => {
match header_entry {
hyper::header::Entry::Vacant(entry) => {
let addr = format!("{}", client_ip);
entry.insert(addr.parse().unwrap());
},
_ => (), // silently fails to add x-forwarded-for header
hyper::header::Entry::Occupied(mut entry) => {
let addr = format!("{}, {}", entry.get().to_str().unwrap(), client_ip);
entry.insert(addr.parse().unwrap());
}
}
}
// shouldn't happen...
Err(_) => panic!("Invalid header name: {}", x_forwarded_for_header_name),
}
request