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[Reqwest example]: Include headers into response #2812

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[Reqwest example]: Include headers into response #2812

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23 changes: 14 additions & 9 deletions examples/reqwest-response/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@

use std::{convert::Infallible, time::Duration};

use axum::http::{HeaderMap, StatusCode};
use axum::http::StatusCode;
use axum::{
body::{Body, Bytes},
extract::State,
Expand Down Expand Up @@ -60,15 +60,20 @@ async fn proxy_via_reqwest(State(client): State<Client>) -> Response {
}
};

let response_builder = Response::builder().status(reqwest_response.status().as_u16());
let mut response_builder = Response::builder().status(reqwest_response.status().as_u16());

// Here the mapping of headers is required due to reqwest and axum differ on the http crate versions
let mut headers = HeaderMap::with_capacity(reqwest_response.headers().len());
headers.extend(reqwest_response.headers().into_iter().map(|(name, value)| {
let name = HeaderName::from_bytes(name.as_ref()).unwrap();
let value = HeaderValue::from_bytes(value.as_ref()).unwrap();
(name, value)
}));
{
let headers = response_builder.headers_mut().unwrap();

reqwest_response
.headers()
.into_iter()
.for_each(|(name, value)| {
let name = HeaderName::from_bytes(name.as_ref()).unwrap();
let value = HeaderValue::from_bytes(value.as_ref()).unwrap();
headers.insert(name, value);
});
}

response_builder
.body(Body::from_stream(reqwest_response.bytes_stream()))
Expand Down