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Fix illegal chunked encoding (#1615)

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Co-authored-by: Rob Ede <robjtede@icloud.com>
This commit is contained in:
masnagam 2020-07-22 01:24:56 +09:00 committed by GitHub
parent 6dc47c4093
commit 701bdacfa2
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2 changed files with 33 additions and 10 deletions
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6
actix-http/CHANGES.md
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@ -7,6 +7,12 @@
[#1614]: https://github.com/actix/actix-web/pull/1614
### Changed
* Fix illegal chunked encoding. [#1615]
[#1615]: https://github.com/actix/actix-web/pull/1615
## [2.0.0-beta.1] - 2020-07-11
### Changed

37
actix-http/src/h1/decoder.rs
View file

@ -45,7 +45,7 @@ impl<T: MessageType> Decoder for MessageDecoder<T> {
pub(crate) enum PayloadLength {
Payload(PayloadType),
Upgrade,
UpgradeWebSocket,
None,
}
@ -64,7 +64,7 @@ pub(crate) trait MessageType: Sized {
raw_headers: &[HeaderIndex],
) -> Result<PayloadLength, ParseError> {
let mut ka = None;
let mut has_upgrade = false;
let mut has_upgrade_websocket = false;
let mut expect = false;
let mut chunked = false;
let mut content_length = None;
@ -123,12 +123,9 @@ pub(crate) trait MessageType: Sized {
};
}
header::UPGRADE => {
has_upgrade = true;
// check content-length, some clients (dart)
// sends "content-length: 0" with websocket upgrade
if let Ok(val) = value.to_str().map(|val| val.trim()) {
if val.eq_ignore_ascii_case("websocket") {
content_length = None;
has_upgrade_websocket = true;
}
}
}
@ -155,13 +152,13 @@ pub(crate) trait MessageType: Sized {
Ok(PayloadLength::Payload(PayloadType::Payload(
PayloadDecoder::chunked(),
)))
} else if has_upgrade_websocket {
Ok(PayloadLength::UpgradeWebSocket)
} else if let Some(len) = content_length {
// Content-Length
Ok(PayloadLength::Payload(PayloadType::Payload(
PayloadDecoder::length(len),
)))
} else if has_upgrade {
Ok(PayloadLength::Upgrade)
} else {
Ok(PayloadLength::None)
}
@ -216,7 +213,7 @@ impl MessageType for Request {
// payload decoder
let decoder = match length {
PayloadLength::Payload(pl) => pl,
PayloadLength::Upgrade => {
PayloadLength::UpgradeWebSocket => {
// upgrade(websocket)
PayloadType::Stream(PayloadDecoder::eof())
}
@ -1034,7 +1031,7 @@ mod tests {
}
#[test]
fn test_http_request_upgrade() {
fn test_http_request_upgrade_websocket() {
let mut buf = BytesMut::from(
"GET /test HTTP/1.1\r\n\
connection: upgrade\r\n\
@ -1048,6 +1045,26 @@ mod tests {
assert!(pl.is_unhandled());
}
#[test]
fn test_http_request_upgrade_h2c() {
let mut buf = BytesMut::from(
"GET /test HTTP/1.1\r\n\
connection: upgrade, http2-settings\r\n\
upgrade: h2c\r\n\
http2-settings: dummy\r\n\r\n",
);
let mut reader = MessageDecoder::<Request>::default();
let (req, pl) = reader.decode(&mut buf).unwrap().unwrap();
// `connection: upgrade, http2-settings` doesn't work properly..
// see MessageType::set_headers().
//
// The line below should be:
// assert_eq!(req.head().connection_type(), ConnectionType::Upgrade);
assert_eq!(req.head().connection_type(), ConnectionType::KeepAlive);
assert!(req.upgrade());
assert!(!pl.is_unhandled());
}
#[test]
fn test_http_request_parser_utf8() {
let mut buf = BytesMut::from(