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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::mem;
use neqo_common::{event::Provider, Encoder};
use neqo_transport::StreamType;
use test_fixture::now;
use crate::{
features::extended_connect::{
tests::webtransport::{
default_http3_client, default_http3_server, wt_default_parameters, WtTest,
},
SessionCloseReason,
},
frames::WebTransportFrame,
Error, Header, Http3ClientEvent, Http3OrWebTransportStream, Http3Server, Http3ServerEvent,
Http3State, Priority, WebTransportEvent, WebTransportServerEvent,
WebTransportSessionAcceptAction,
};
#[test]
fn wt_session() {
let mut wt = WtTest::new();
mem::drop(wt.create_wt_session());
}
#[test]
fn wt_session_reject() {
let mut wt = WtTest::new();
let headers = vec![Header::new(":status", "404")];
let accept_res = WebTransportSessionAcceptAction::Reject(headers.clone());
let (wt_session_id, _wt_session) = wt.negotiate_wt_session(&accept_res);
wt.check_session_closed_event_client(
wt_session_id,
&SessionCloseReason::Status(404),
Some(&headers),
);
}
#[test]
fn wt_session_close_client() {
let mut wt = WtTest::new();
let wt_session = wt.create_wt_session();
wt.cancel_session_client(wt_session.stream_id());
wt.check_session_closed_event_server(
&wt_session,
&SessionCloseReason::Error(Error::HttpNoError.code()),
);
}
#[test]
fn wt_session_close_server() {
let mut wt = WtTest::new();
let wt_session = wt.create_wt_session();
wt.cancel_session_server(&wt_session);
wt.check_session_closed_event_client(
wt_session.stream_id(),
&SessionCloseReason::Error(Error::HttpNoError.code()),
None,
);
}
#[test]
fn wt_session_close_server_close_send() {
let mut wt = WtTest::new();
let wt_session = wt.create_wt_session();
wt_session.stream_close_send().unwrap();
wt.exchange_packets();
wt.check_session_closed_event_client(
wt_session.stream_id(),
&SessionCloseReason::Clean {
error: 0,
message: String::new(),
},
None,
);
}
#[test]
fn wt_session_close_server_stop_sending() {
let mut wt = WtTest::new();
let wt_session = wt.create_wt_session();
wt_session
.stream_stop_sending(Error::HttpNoError.code())
.unwrap();
wt.exchange_packets();
wt.check_session_closed_event_client(
wt_session.stream_id(),
&SessionCloseReason::Error(Error::HttpNoError.code()),
None,
);
}
#[test]
fn wt_session_close_server_reset() {
let mut wt = WtTest::new();
let wt_session = wt.create_wt_session();
wt_session
.stream_reset_send(Error::HttpNoError.code())
.unwrap();
wt.exchange_packets();
wt.check_session_closed_event_client(
wt_session.stream_id(),
&SessionCloseReason::Error(Error::HttpNoError.code()),
None,
);
}
#[test]
fn wt_session_response_with_1xx() {
let mut wt = WtTest::new();
let wt_session_id = wt
.client
.webtransport_create_session(now(), &("https", "something.com", "/"), &[])
.unwrap();
wt.exchange_packets();
let mut wt_server_session = None;
while let Some(event) = wt.server.next_event() {
if let Http3ServerEvent::WebTransport(WebTransportServerEvent::NewSession {
session,
headers,
}) = event
{
assert!(
headers
.iter()
.any(|h| h.name() == ":method" && h.value() == "CONNECT")
&& headers
.iter()
.any(|h| h.name() == ":protocol" && h.value() == "webtransport")
);
wt_server_session = Some(session);
}
}
let wt_server_session = wt_server_session.unwrap();
// Send interim response.
wt_server_session
.send_headers(&[Header::new(":status", "111")])
.unwrap();
wt_server_session
.response(&WebTransportSessionAcceptAction::Accept)
.unwrap();
wt.exchange_packets();
let wt_session_negotiated_event = |e| {
matches!(
e,
Http3ClientEvent::WebTransport(WebTransportEvent::Session{
stream_id,
status,
headers,
}) if (
stream_id == wt_session_id &&
status == 200 &&
headers.contains(&Header::new(":status", "200"))
)
)
};
assert!(wt.client.events().any(wt_session_negotiated_event));
assert_eq!(wt_session_id, wt_server_session.stream_id());
}
#[test]
fn wt_session_response_with_redirect() {
let headers = [Header::new(":status", "302"), Header::new("location", "/")].to_vec();
let mut wt = WtTest::new();
let accept_res = WebTransportSessionAcceptAction::Reject(headers.clone());
let (wt_session_id, _wt_session) = wt.negotiate_wt_session(&accept_res);
wt.check_session_closed_event_client(
wt_session_id,
&SessionCloseReason::Status(302),
Some(&headers),
);
}
#[test]
fn wt_session_respone_200_with_fin() {
let mut wt = WtTest::new();
let wt_session_id = wt
.client
.webtransport_create_session(now(), &("https", "something.com", "/"), &[])
.unwrap();
wt.exchange_packets();
let mut wt_server_session = None;
while let Some(event) = wt.server.next_event() {
if let Http3ServerEvent::WebTransport(WebTransportServerEvent::NewSession {
session,
headers,
}) = event
{
assert!(
headers
.iter()
.any(|h| h.name() == ":method" && h.value() == "CONNECT")
&& headers
.iter()
.any(|h| h.name() == ":protocol" && h.value() == "webtransport")
);
wt_server_session = Some(session);
}
}
let wt_server_session = wt_server_session.unwrap();
wt_server_session
.response(&WebTransportSessionAcceptAction::Accept)
.unwrap();
wt_server_session.stream_close_send().unwrap();
wt.exchange_packets();
let wt_session_close_event = |e| {
matches!(
e,
Http3ClientEvent::WebTransport(WebTransportEvent::SessionClosed{
stream_id,
reason,
headers,
..
}) if (
stream_id == wt_session_id &&
reason == SessionCloseReason::Clean{ error: 0, message: String::new()} &&
headers.is_none()
)
)
};
assert!(wt.client.events().any(wt_session_close_event));
assert_eq!(wt_session_id, wt_server_session.stream_id());
}
#[test]
fn wt_session_close_frame_client() {
const ERROR_NUM: u32 = 23;
const ERROR_MESSAGE: &str = "Something went wrong";
let mut wt = WtTest::new();
let wt_session = wt.create_wt_session();
wt.session_close_frame_client(wt_session.stream_id(), ERROR_NUM, ERROR_MESSAGE);
wt.exchange_packets();
wt.check_session_closed_event_server(
&wt_session,
&SessionCloseReason::Clean {
error: ERROR_NUM,
message: ERROR_MESSAGE.to_string(),
},
);
}
#[test]
fn wt_session_close_frame_server() {
const ERROR_NUM: u32 = 23;
const ERROR_MESSAGE: &str = "Something went wrong";
let mut wt = WtTest::new();
let wt_session = wt.create_wt_session();
WtTest::session_close_frame_server(&wt_session, ERROR_NUM, ERROR_MESSAGE);
wt.exchange_packets();
wt.check_session_closed_event_client(
wt_session.stream_id(),
&SessionCloseReason::Clean {
error: ERROR_NUM,
message: ERROR_MESSAGE.to_string(),
},
None,
);
}
#[test]
fn wt_unknown_session_frame_client() {
const UNKNOWN_FRAME_LEN: usize = 832;
const BUF: &[u8] = &[0; 10];
const ERROR_NUM: u32 = 23;
const ERROR_MESSAGE: &str = "Something went wrong";
let mut wt = WtTest::new();
let wt_session = wt.create_wt_session();
// Send an unknown frame.
let mut enc = Encoder::with_capacity(UNKNOWN_FRAME_LEN + 4);
enc.encode_varint(1028_u64); // Arbitrary type.
enc.encode_varint(UNKNOWN_FRAME_LEN as u64);
let mut buf: Vec<_> = enc.into();
buf.resize(UNKNOWN_FRAME_LEN + buf.len(), 0);
wt.client.send_data(wt_session.stream_id(), &buf).unwrap();
wt.exchange_packets();
// The session is still active
let unidi_server = WtTest::create_wt_stream_server(&wt_session, StreamType::UniDi);
wt.send_data_server(&unidi_server, BUF);
wt.receive_data_client(unidi_server.stream_id(), true, BUF, false);
// Now close the session.
wt.session_close_frame_client(wt_session.stream_id(), ERROR_NUM, ERROR_MESSAGE);
wt.exchange_packets();
wt.check_events_after_closing_session_client(
&[unidi_server.stream_id()],
Some(Error::HttpRequestCancelled.code()),
&[],
None,
false,
None,
);
wt.check_events_after_closing_session_server(
&[],
None,
&[unidi_server.stream_id()],
Some(Error::HttpRequestCancelled.code()),
Some(&(
wt_session.stream_id(),
SessionCloseReason::Clean {
error: ERROR_NUM,
message: ERROR_MESSAGE.to_string(),
},
)),
);
}
#[test]
fn wt_close_session_frame_broken_client() {
let mut wt = WtTest::new();
let wt_session = wt.create_wt_session();
// Send a incorrect CloseSession frame.
let mut enc = Encoder::default();
WebTransportFrame::CloseSession {
error: 5,
message: "Hello".to_string(),
}
.encode(&mut enc);
let mut buf: Vec<_> = enc.into();
// Corrupt the string.
buf[9] = 0xff;
wt.client.send_data(wt_session.stream_id(), &buf).unwrap();
wt.exchange_packets();
// check that the webtransport session is closed.
wt.check_session_closed_event_client(
wt_session.stream_id(),
&SessionCloseReason::Error(Error::HttpGeneralProtocolStream.code()),
None,
);
wt.check_session_closed_event_server(
&wt_session,
&SessionCloseReason::Error(Error::HttpGeneralProtocolStream.code()),
);
// The Http3 session is still working.
assert_eq!(wt.client.state(), Http3State::Connected);
assert_eq!(wt_session.state(), Http3State::Connected);
}
fn receive_request(server: &Http3Server) -> Option<Http3OrWebTransportStream> {
while let Some(event) = server.next_event() {
if let Http3ServerEvent::Headers { stream, .. } = event {
return Some(stream);
}
}
None
}
#[test]
// Ignoring this test as it is panicking at wt.create_wt_stream_client
// Issue # 1386 is created to track this
#[ignore]
fn wt_close_session_cannot_be_sent_at_once() {
const BUF: &[u8] = &[0; 443];
const ERROR_NUM: u32 = 23;
const ERROR_MESSAGE: &str = "Something went wrong";
let client = default_http3_client(wt_default_parameters());
let server = default_http3_server(wt_default_parameters());
let mut wt = WtTest::new_with(client, server);
let wt_session = wt.create_wt_session();
// Fill the flow control window using an unrelated http stream.
let req_id = wt
.client
.fetch(
now(),
"GET",
&("https", "something.com", "/"),
&[],
Priority::default(),
)
.unwrap();
assert_eq!(req_id, 4);
wt.exchange_packets();
let req = receive_request(&wt.server).unwrap();
req.send_headers(&[
Header::new(":status", "200"),
Header::new("content-length", BUF.len().to_string()),
])
.unwrap();
req.send_data(BUF).unwrap();
// Now close the session.
WtTest::session_close_frame_server(&wt_session, ERROR_NUM, ERROR_MESSAGE);
// server cannot create new streams.
assert_eq!(
wt_session.create_stream(StreamType::UniDi),
Err(Error::InvalidStreamId)
);
let out = wt.server.process(None, now());
let out = wt.client.process(out.as_dgram_ref(), now());
// Client has not received the full CloseSession frame and it can create more streams.
let unidi_client = wt.create_wt_stream_client(wt_session.stream_id(), StreamType::UniDi);
let out = wt.server.process(out.as_dgram_ref(), now());
let out = wt.client.process(out.as_dgram_ref(), now());
let out = wt.server.process(out.as_dgram_ref(), now());
let out = wt.client.process(out.as_dgram_ref(), now());
let out = wt.server.process(out.as_dgram_ref(), now());
let _out = wt.client.process(out.as_dgram_ref(), now());
wt.check_events_after_closing_session_client(
&[],
None,
&[unidi_client],
Some(Error::HttpRequestCancelled.code()),
false,
Some(&(
wt_session.stream_id(),
SessionCloseReason::Clean {
error: ERROR_NUM,
message: ERROR_MESSAGE.to_string(),
},
)),
);
wt.check_events_after_closing_session_server(&[], None, &[], None, None);
}