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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/http/bidirectional_stream.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "net/base/load_flags.h"
#include "net/base/net_errors.h"
#include "net/http/bidirectional_stream_request_info.h"
#include "net/http/http_network_session.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_stream.h"
#include "net/spdy/spdy_http_utils.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "net/ssl/ssl_config.h"
#include "url/gurl.h"
namespace net {
BidirectionalStream::Delegate::Delegate() {}
BidirectionalStream::Delegate::~Delegate() {}
BidirectionalStream::BidirectionalStream(
scoped_ptr<BidirectionalStreamRequestInfo> request_info,
HttpNetworkSession* session,
Delegate* delegate)
: BidirectionalStream(std::move(request_info),
session,
delegate,
make_scoped_ptr(new base::Timer(false, false))) {}
BidirectionalStream::BidirectionalStream(
scoped_ptr<BidirectionalStreamRequestInfo> request_info,
HttpNetworkSession* session,
Delegate* delegate,
scoped_ptr<base::Timer> timer)
: request_info_(std::move(request_info)),
net_log_(BoundNetLog::Make(session->net_log(),
NetLog::SOURCE_BIDIRECTIONAL_STREAM)),
session_(session),
delegate_(delegate),
timer_(std::move(timer)) {
DCHECK(delegate_);
DCHECK(request_info_);
SSLConfig server_ssl_config;
session->ssl_config_service()->GetSSLConfig(&server_ssl_config);
session->GetAlpnProtos(&server_ssl_config.alpn_protos);
session->GetNpnProtos(&server_ssl_config.npn_protos);
if (!request_info_->url.SchemeIs(url::kHttpsScheme)) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::Bind(&BidirectionalStream::Delegate::OnFailed,
base::Unretained(delegate_), ERR_DISALLOWED_URL_SCHEME));
return;
}
HttpRequestInfo http_request_info;
http_request_info.url = request_info_->url;
http_request_info.method = request_info_->method;
http_request_info.extra_headers = request_info_->extra_headers;
stream_request_.reset(
session->http_stream_factory()->RequestBidirectionalStreamJob(
http_request_info, request_info_->priority, server_ssl_config,
server_ssl_config, this, net_log_));
// Check that this call cannot fail to set a non-NULL |stream_request_|.
DCHECK(stream_request_);
// Check that HttpStreamFactory does not invoke OnBidirectionalStreamJobReady
// synchronously.
DCHECK(!stream_job_);
}
BidirectionalStream::~BidirectionalStream() {
Cancel();
}
int BidirectionalStream::ReadData(IOBuffer* buf, int buf_len) {
DCHECK(stream_job_);
return stream_job_->ReadData(buf, buf_len);
}
void BidirectionalStream::SendData(IOBuffer* data,
int length,
bool end_stream) {
DCHECK(stream_job_);
stream_job_->SendData(data, length, end_stream);
}
void BidirectionalStream::Cancel() {
stream_request_.reset();
if (stream_job_) {
stream_job_->Cancel();
stream_job_.reset();
}
}
NextProto BidirectionalStream::GetProtocol() const {
if (!stream_job_)
return kProtoUnknown;
return stream_job_->GetProtocol();
}
int64_t BidirectionalStream::GetTotalReceivedBytes() const {
if (!stream_job_)
return 0;
return stream_job_->GetTotalReceivedBytes();
}
int64_t BidirectionalStream::GetTotalSentBytes() const {
if (!stream_job_)
return 0;
return stream_job_->GetTotalSentBytes();
}
void BidirectionalStream::OnHeadersSent() {
delegate_->OnHeadersSent();
}
void BidirectionalStream::OnHeadersReceived(
const SpdyHeaderBlock& response_headers) {
HttpResponseInfo response_info;
if (!SpdyHeadersToHttpResponse(response_headers, HTTP2, &response_info)) {
DLOG(WARNING) << "Invalid headers";
delegate_->OnFailed(ERR_FAILED);
return;
}
session_->http_stream_factory()->ProcessAlternativeServices(
session_, response_info.headers.get(),
HostPortPair::FromURL(request_info_->url));
delegate_->OnHeadersReceived(response_headers);
}
void BidirectionalStream::OnDataRead(int bytes_read) {
delegate_->OnDataRead(bytes_read);
}
void BidirectionalStream::OnDataSent() {
delegate_->OnDataSent();
}
void BidirectionalStream::OnTrailersReceived(const SpdyHeaderBlock& trailers) {
delegate_->OnTrailersReceived(trailers);
}
void BidirectionalStream::OnFailed(int status) {
delegate_->OnFailed(status);
}
void BidirectionalStream::OnStreamReady(const SSLConfig& used_ssl_config,
const ProxyInfo& used_proxy_info,
HttpStream* stream) {
NOTREACHED();
}
void BidirectionalStream::OnBidirectionalStreamJobReady(
const SSLConfig& used_ssl_config,
const ProxyInfo& used_proxy_info,
BidirectionalStreamJob* stream) {
DCHECK(!stream_job_);
stream_request_.reset();
stream_job_.reset(stream);
stream_job_->Start(request_info_.get(), net_log_, this, std::move(timer_));
}
void BidirectionalStream::OnWebSocketHandshakeStreamReady(
const SSLConfig& used_ssl_config,
const ProxyInfo& used_proxy_info,
WebSocketHandshakeStreamBase* stream) {
NOTREACHED();
}
void BidirectionalStream::OnStreamFailed(int result,
const SSLConfig& used_ssl_config,
SSLFailureState ssl_failure_state) {
DCHECK_LT(result, 0);
DCHECK_NE(result, ERR_IO_PENDING);
DCHECK(stream_request_);
delegate_->OnFailed(result);
}
void BidirectionalStream::OnCertificateError(int result,
const SSLConfig& used_ssl_config,
const SSLInfo& ssl_info) {
DCHECK_LT(result, 0);
DCHECK_NE(result, ERR_IO_PENDING);
DCHECK(stream_request_);
delegate_->OnFailed(result);
}
void BidirectionalStream::OnNeedsProxyAuth(
const HttpResponseInfo& proxy_response,
const SSLConfig& used_ssl_config,
const ProxyInfo& used_proxy_info,
HttpAuthController* auth_controller) {
DCHECK(stream_request_);
delegate_->OnFailed(ERR_PROXY_AUTH_REQUESTED);
}
void BidirectionalStream::OnNeedsClientAuth(const SSLConfig& used_ssl_config,
SSLCertRequestInfo* cert_info) {
DCHECK(stream_request_);
delegate_->OnFailed(ERR_SSL_CLIENT_AUTH_CERT_NEEDED);
}
void BidirectionalStream::OnHttpsProxyTunnelResponse(
const HttpResponseInfo& response_info,
const SSLConfig& used_ssl_config,
const ProxyInfo& used_proxy_info,
HttpStream* stream) {
DCHECK(stream_request_);
delegate_->OnFailed(ERR_HTTPS_PROXY_TUNNEL_RESPONSE);
}
void BidirectionalStream::OnQuicBroken() {}
} // namespace net
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