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fix implicit chunked encoding

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This commit is contained in:
Nikolay Kim 2018-01-11 15:26:46 -08:00
parent 728d4f1f57
commit 0648ad6f33
2 changed files with 133 additions and 56 deletions
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81
src/encoding.rs
View file

@ -369,33 +369,8 @@ impl PayloadEncoder {
resp.headers_mut().remove(CONTENT_ENCODING);
}
TransferEncoding::eof(buf)
} else if resp.chunked() {
resp.headers_mut().remove(CONTENT_LENGTH);
if version != Version::HTTP_11 {
error!("Chunked transfer encoding is forbidden for {:?}", version);
}
if version == Version::HTTP_2 {
resp.headers_mut().remove(TRANSFER_ENCODING);
TransferEncoding::eof(buf)
} else {
resp.headers_mut().insert(
TRANSFER_ENCODING, HeaderValue::from_static("chunked"));
TransferEncoding::chunked(buf)
}
} else if let Some(len) = resp.headers().get(CONTENT_LENGTH) {
// Content-Length
if let Ok(s) = len.to_str() {
if let Ok(len) = s.parse::<u64>() {
TransferEncoding::length(len, buf)
} else {
debug!("illegal Content-Length: {:?}", len);
TransferEncoding::eof(buf)
}
} else {
TransferEncoding::eof(buf)
}
} else {
TransferEncoding::eof(buf)
PayloadEncoder::streaming_encoding(buf, version, resp)
}
}
};
@ -414,6 +389,60 @@ impl PayloadEncoder {
}
)
}
fn streaming_encoding(buf: SharedBytes, version: Version,
resp: &mut HttpResponse) -> TransferEncoding {
if resp.chunked() {
// Enable transfer encoding
resp.headers_mut().remove(CONTENT_LENGTH);
if version == Version::HTTP_2 {
resp.headers_mut().remove(TRANSFER_ENCODING);
TransferEncoding::eof(buf)
} else {
resp.headers_mut().insert(
TRANSFER_ENCODING, HeaderValue::from_static("chunked"));
TransferEncoding::chunked(buf)
}
} else {
// if Content-Length is specified, then use it as length hint
let (len, chunked) =
if let Some(len) = resp.headers().get(CONTENT_LENGTH) {
// Content-Length
if let Ok(s) = len.to_str() {
if let Ok(len) = s.parse::<u64>() {
(Some(len), false)
} else {
error!("illegal Content-Length: {:?}", len);
(None, false)
}
} else {
error!("illegal Content-Length: {:?}", len);
(None, false)
}
} else {
(None, true)
};
if !chunked {
if let Some(len) = len {
TransferEncoding::length(len, buf)
} else {
TransferEncoding::eof(buf)
}
} else {
// Enable transfer encoding
resp.headers_mut().remove(CONTENT_LENGTH);
if version == Version::HTTP_2 {
resp.headers_mut().remove(TRANSFER_ENCODING);
TransferEncoding::eof(buf)
} else {
resp.headers_mut().insert(
TRANSFER_ENCODING, HeaderValue::from_static("chunked"));
TransferEncoding::chunked(buf)
}
}
}
}
}
impl PayloadEncoder {

108
tests/test_server.rs
View file

@ -16,7 +16,8 @@ use std::sync::atomic::{AtomicUsize, Ordering};
use flate2::Compression;
use flate2::write::{GzEncoder, DeflateEncoder, DeflateDecoder};
use brotli2::write::{BrotliEncoder, BrotliDecoder};
use futures::Future;
use futures::{Future, Stream};
use futures::stream::once;
use h2::client;
use bytes::{Bytes, BytesMut, BufMut};
use http::Request;
@ -113,6 +114,41 @@ fn test_body_gzip() {
assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}
#[test]
fn test_body_streaming_implicit() {
let srv = test::TestServer::new(
|app| app.handler(|_| {
let body = once(Ok(Bytes::from_static(STR.as_ref())));
httpcodes::HTTPOk.build()
.content_encoding(headers::ContentEncoding::Gzip)
.body(Body::Streaming(Box::new(body)))}));
let mut res = reqwest::get(&srv.url("/")).unwrap();
assert!(res.status().is_success());
let mut bytes = BytesMut::with_capacity(2048).writer();
let _ = res.copy_to(&mut bytes);
let bytes = bytes.into_inner();
assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}
#[test]
fn test_body_streaming_explicit() {
let srv = test::TestServer::new(
|app| app.handler(|_| {
let body = once(Ok(Bytes::from_static(STR.as_ref())));
httpcodes::HTTPOk.build()
.chunked()
.content_encoding(headers::ContentEncoding::Gzip)
.body(Body::Streaming(Box::new(body)))}));
let mut res = reqwest::get(&srv.url("/")).unwrap();
assert!(res.status().is_success());
let mut bytes = BytesMut::with_capacity(2048).writer();
let _ = res.copy_to(&mut bytes);
let bytes = bytes.into_inner();
assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}
#[test]
fn test_body_deflate() {
let srv = test::TestServer::new(
@ -153,35 +189,6 @@ fn test_body_brotli() {
assert_eq!(Bytes::from(dec), Bytes::from_static(STR.as_ref()));
}
#[test]
fn test_h2() {
let srv = test::TestServer::new(|app| app.handler(httpcodes::HTTPOk));
let addr = srv.addr();
let mut core = Core::new().unwrap();
let handle = core.handle();
let tcp = TcpStream::connect(&addr, &handle);
let tcp = tcp.then(|res| {
client::handshake(res.unwrap())
}).then(move |res| {
let (mut client, h2) = res.unwrap();
let request = Request::builder()
.uri(format!("https://{}/", addr).as_str())
.body(())
.unwrap();
let (response, _) = client.send_request(request, false).unwrap();
// Spawn a task to run the conn...
handle.spawn(h2.map_err(|e| println!("GOT ERR={:?}", e)));
response
});
let resp = core.run(tcp).unwrap();
assert_eq!(resp.status(), StatusCode::OK);
}
#[test]
fn test_gzip_encoding() {
let srv = test::TestServer::new(|app| app.handler(|req: HttpRequest| {
@ -260,6 +267,47 @@ fn test_brotli_encoding() {
assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}
#[test]
fn test_h2() {
let srv = test::TestServer::new(|app| app.handler(|_|{
httpcodes::HTTPOk.build().body(STR)
}));
let addr = srv.addr();
let mut core = Core::new().unwrap();
let handle = core.handle();
let tcp = TcpStream::connect(&addr, &handle);
let tcp = tcp.then(|res| {
client::handshake(res.unwrap())
}).then(move |res| {
let (mut client, h2) = res.unwrap();
let request = Request::builder()
.uri(format!("https://{}/", addr).as_str())
.body(())
.unwrap();
let (response, _) = client.send_request(request, false).unwrap();
// Spawn a task to run the conn...
handle.spawn(h2.map_err(|e| println!("GOT ERR={:?}", e)));
response.and_then(|response| {
assert_eq!(response.status(), StatusCode::OK);
let (_, body) = response.into_parts();
body.fold(BytesMut::new(), |mut b, c| -> Result<_, h2::Error> {
b.extend(c);
Ok(b)
})
})
});
let res = core.run(tcp).unwrap();
assert_eq!(res, Bytes::from_static(STR.as_ref()));
}
#[test]
fn test_application() {
let srv = test::TestServer::with_factory(