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Send HTTP/1.1 100 Continue if request contains expect: continue header #634

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This commit is contained in:
Nikolay Kim 2018-12-23 10:19:12 -08:00
parent e9fe3879df
commit 477bf0d8ae
4 changed files with 64 additions and 23 deletions
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4
CHANGES.md
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@ -1,11 +1,13 @@
# Changes
## [0.7.17] - 2018-xx-xx
## [0.7.17] - 2018-12-23
### Added
* Support for custom content types in `JsonConfig`. #637
* Send `HTTP/1.1 100 Continue` if request contains `expect: continue` header #634
### Fixed
* HTTP1 decoder should perform case-insentive comparison for client requests (e.g. `Keep-Alive`). #631

6
Cargo.toml
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@ -1,6 +1,6 @@
[package]
name = "actix-web"
version = "0.7.16"
version = "0.7.17"
authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
description = "Actix web is a simple, pragmatic and extremely fast web framework for Rust."
readme = "README.md"
@ -62,7 +62,7 @@ cell = ["actix-net/cell"]
[dependencies]
actix = "0.7.9"
actix-net = "0.2.2"
actix-net = "0.2.6"
askama_escape = "0.1.0"
base64 = "0.10"
@ -105,7 +105,7 @@ slab = "0.4"
tokio = "0.1"
tokio-io = "0.1"
tokio-tcp = "0.1"
tokio-timer = "0.2"
tokio-timer = "0.2.8"
tokio-reactor = "0.1"
tokio-current-thread = "0.1"

46
src/server/h1.rs
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@ -7,6 +7,7 @@ use futures::{Async, Future, Poll};
use tokio_current_thread::spawn;
use tokio_timer::Delay;
use body::Binary;
use error::{Error, PayloadError};
use http::{StatusCode, Version};
use payload::{Payload, PayloadStatus, PayloadWriter};
@ -50,32 +51,40 @@ pub struct Http1Dispatcher<T: IoStream, H: HttpHandler + 'static> {
}
enum Entry<H: HttpHandler> {
Task(H::Task),
Task(H::Task, Option<()>),
Error(Box<HttpHandlerTask>),
}
impl<H: HttpHandler> Entry<H> {
fn into_task(self) -> H::Task {
match self {
Entry::Task(task) => task,
Entry::Task(task, _) => task,
Entry::Error(_) => panic!(),
}
}
fn disconnected(&mut self) {
match *self {
Entry::Task(ref mut task) => task.disconnected(),
Entry::Task(ref mut task, _) => task.disconnected(),
Entry::Error(ref mut task) => task.disconnected(),
}
}
fn poll_io(&mut self, io: &mut Writer) -> Poll<bool, Error> {
match *self {
Entry::Task(ref mut task) => task.poll_io(io),
Entry::Task(ref mut task, ref mut except) => {
match except {
Some(_) => {
let _ = io.write(&Binary::from("HTTP/1.1 100 Continue\r\n\r\n"));
}
_ => (),
};
task.poll_io(io)
}
Entry::Error(ref mut task) => task.poll_io(io),
}
}
fn poll_completed(&mut self) -> Poll<(), Error> {
match *self {
Entry::Task(ref mut task) => task.poll_completed(),
Entry::Task(ref mut task, _) => task.poll_completed(),
Entry::Error(ref mut task) => task.poll_completed(),
}
}
@ -463,7 +472,11 @@ where
'outer: loop {
match self.decoder.decode(&mut self.buf, &self.settings) {
Ok(Some(Message::Message { mut msg, payload })) => {
Ok(Some(Message::Message {
mut msg,
mut expect,
payload,
})) => {
updated = true;
self.flags.insert(Flags::STARTED);
@ -484,6 +497,12 @@ where
match self.settings.handler().handle(msg) {
Ok(mut task) => {
if self.tasks.is_empty() {
if expect {
expect = false;
let _ = self.stream.write(&Binary::from(
"HTTP/1.1 100 Continue\r\n\r\n",
));
}
match task.poll_io(&mut self.stream) {
Ok(Async::Ready(ready)) => {
// override keep-alive state
@ -510,7 +529,10 @@ where
}
}
}
self.tasks.push_back(Entry::Task(task));
self.tasks.push_back(Entry::Task(
task,
if expect { Some(()) } else { None },
));
continue 'outer;
}
Err(_) => {
@ -608,13 +630,13 @@ mod tests {
impl Message {
fn message(self) -> Request {
match self {
Message::Message { msg, payload: _ } => msg,
Message::Message { msg, .. } => msg,
_ => panic!("error"),
}
}
fn is_payload(&self) -> bool {
match *self {
Message::Message { msg: _, payload } => payload,
Message::Message { payload, .. } => payload,
_ => panic!("error"),
}
}
@ -874,13 +896,13 @@ mod tests {
let settings = wrk_settings();
let mut reader = H1Decoder::new();
assert!{ reader.decode(&mut buf, &settings).unwrap().is_none() }
assert! { reader.decode(&mut buf, &settings).unwrap().is_none() }
buf.extend(b"t");
assert!{ reader.decode(&mut buf, &settings).unwrap().is_none() }
assert! { reader.decode(&mut buf, &settings).unwrap().is_none() }
buf.extend(b"es");
assert!{ reader.decode(&mut buf, &settings).unwrap().is_none() }
assert! { reader.decode(&mut buf, &settings).unwrap().is_none() }
buf.extend(b"t: value\r\n\r\n");
match reader.decode(&mut buf, &settings) {

31
src/server/h1decoder.rs
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@ -20,7 +20,11 @@ pub(crate) struct H1Decoder {
#[derive(Debug)]
pub(crate) enum Message {
Message { msg: Request, payload: bool },
Message {
msg: Request,
payload: bool,
expect: bool,
},
Chunk(Bytes),
Eof,
}
@ -63,10 +67,11 @@ impl H1Decoder {
.parse_message(src, settings)
.map_err(DecoderError::Error)?
{
Async::Ready((msg, decoder)) => {
Async::Ready((msg, expect, decoder)) => {
self.decoder = decoder;
Ok(Some(Message::Message {
msg,
expect,
payload: self.decoder.is_some(),
}))
}
@ -85,11 +90,12 @@ impl H1Decoder {
&self,
buf: &mut BytesMut,
settings: &ServiceConfig<H>,
) -> Poll<(Request, Option<EncodingDecoder>), ParseError> {
) -> Poll<(Request, bool, Option<EncodingDecoder>), ParseError> {
// Parse http message
let mut has_upgrade = false;
let mut chunked = false;
let mut content_length = None;
let mut expect_continue = false;
let msg = {
// Unsafe: we read only this data only after httparse parses headers into.
@ -165,11 +171,17 @@ impl H1Decoder {
}
// connection keep-alive state
header::CONNECTION => {
let ka = if let Ok(conn) = value.to_str().map(|conn| conn.trim()) {
if version == Version::HTTP_10 && conn.eq_ignore_ascii_case("keep-alive") {
let ka = if let Ok(conn) =
value.to_str().map(|conn| conn.trim())
{
if version == Version::HTTP_10
&& conn.eq_ignore_ascii_case("keep-alive")
{
true
} else {
version == Version::HTTP_11 && !(conn.eq_ignore_ascii_case("close") || conn.eq_ignore_ascii_case("upgrade"))
version == Version::HTTP_11
&& !(conn.eq_ignore_ascii_case("close")
|| conn.eq_ignore_ascii_case("upgrade"))
}
} else {
false
@ -186,6 +198,11 @@ impl H1Decoder {
}
}
}
header::EXPECT => {
if value == "100-continue" {
expect_continue = true
}
}
_ => (),
}
@ -216,7 +233,7 @@ impl H1Decoder {
None
};
Ok(Async::Ready((msg, decoder)))
Ok(Async::Ready((msg, expect_continue, decoder)))
}
}