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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/http/http_basic_stream.h"
#include <set>
#include <utility>
#include "base/bind.h"
#include "net/http/http_network_session.h"
#include "net/http/http_raw_request_headers.h"
#include "net/http/http_request_info.h"
#include "net/http/http_response_body_drainer.h"
#include "net/http/http_stream_parser.h"
#include "net/socket/client_socket_handle.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "net/ssl/ssl_info.h"
namespace net {
HttpBasicStream::HttpBasicStream(std::unique_ptr<ClientSocketHandle> connection,
bool using_proxy)
: state_(std::move(connection), using_proxy) {}
HttpBasicStream::~HttpBasicStream() = default;
void HttpBasicStream::RegisterRequest(const HttpRequestInfo* request_info) {
DCHECK(request_info);
DCHECK(request_info->traffic_annotation.is_valid());
request_info_ = request_info;
}
int HttpBasicStream::InitializeStream(bool can_send_early,
RequestPriority priority,
const NetLogWithSource& net_log,
CompletionOnceCallback callback) {
DCHECK(request_info_);
state_.Initialize(request_info_, priority, net_log);
int ret = OK;
if (!can_send_early) {
// parser() cannot outlive |this|, so we can use base::Unretained().
ret = parser()->ConfirmHandshake(
base::BindOnce(&HttpBasicStream::OnHandshakeConfirmed,
base::Unretained(this), std::move(callback)));
}
// RequestInfo is no longer needed after this point.
request_info_ = nullptr;
return ret;
}
int HttpBasicStream::SendRequest(const HttpRequestHeaders& headers,
HttpResponseInfo* response,
CompletionOnceCallback callback) {
DCHECK(parser());
if (request_headers_callback_) {
HttpRawRequestHeaders raw_headers;
raw_headers.set_request_line(state_.GenerateRequestLine());
for (net::HttpRequestHeaders::Iterator it(headers); it.GetNext();)
raw_headers.Add(it.name(), it.value());
request_headers_callback_.Run(std::move(raw_headers));
}
return parser()->SendRequest(
state_.GenerateRequestLine(), headers,
NetworkTrafficAnnotationTag(state_.traffic_annotation()), response,
std::move(callback));
}
int HttpBasicStream::ReadResponseHeaders(CompletionOnceCallback callback) {
return parser()->ReadResponseHeaders(std::move(callback));
}
int HttpBasicStream::ReadResponseBody(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
return parser()->ReadResponseBody(buf, buf_len, std::move(callback));
}
void HttpBasicStream::Close(bool not_reusable) {
// parser() is null if |this| is created by an orphaned HttpStreamFactory::Job
// in which case InitializeStream() will not have been called. This also
// protects against null dereference in the case where
// state_.ReleaseConnection() has been called.
//
// TODO(mmenke): Can these cases be handled a bit more cleanly?
// WebSocketHandshakeStream will need to be updated as well.
if (!parser())
return;
StreamSocket* socket = state_.connection()->socket();
if (not_reusable && socket)
socket->Disconnect();
parser()->OnConnectionClose();
state_.connection()->Reset();
}
std::unique_ptr<HttpStream> HttpBasicStream::RenewStreamForAuth() {
DCHECK(IsResponseBodyComplete());
DCHECK(!parser()->IsMoreDataBuffered());
// The HttpStreamParser object still has a pointer to the connection. Just to
// be extra-sure it doesn't touch the connection again, delete it here rather
// than leaving it until the destructor is called.
state_.DeleteParser();
return std::make_unique<HttpBasicStream>(state_.ReleaseConnection(),
state_.using_proxy());
}
bool HttpBasicStream::IsResponseBodyComplete() const {
return parser()->IsResponseBodyComplete();
}
bool HttpBasicStream::IsConnectionReused() const {
return state_.IsConnectionReused();
}
void HttpBasicStream::SetConnectionReused() {
state_.connection()->set_reuse_type(ClientSocketHandle::REUSED_IDLE);
}
bool HttpBasicStream::CanReuseConnection() const {
return parser() && state_.connection()->socket() &&
parser()->CanReuseConnection();
}
int64_t HttpBasicStream::GetTotalReceivedBytes() const {
if (parser())
return parser()->received_bytes();
return 0;
}
int64_t HttpBasicStream::GetTotalSentBytes() const {
if (parser())
return parser()->sent_bytes();
return 0;
}
bool HttpBasicStream::GetLoadTimingInfo(
LoadTimingInfo* load_timing_info) const {
if (!state_.connection()->GetLoadTimingInfo(IsConnectionReused(),
load_timing_info) ||
!parser()) {
return false;
}
// If the request waited for handshake confirmation, shift |ssl_end| to
// include that time.
if (!load_timing_info->connect_timing.ssl_end.is_null() &&
!confirm_handshake_end_.is_null()) {
load_timing_info->connect_timing.ssl_end = confirm_handshake_end_;
load_timing_info->connect_timing.connect_end = confirm_handshake_end_;
}
load_timing_info->receive_headers_start =
parser()->first_response_start_time();
load_timing_info->receive_non_informational_headers_start =
parser()->non_informational_response_start_time();
load_timing_info->first_early_hints_time = parser()->first_early_hints_time();
return true;
}
bool HttpBasicStream::GetAlternativeService(
AlternativeService* alternative_service) const {
return false;
}
void HttpBasicStream::GetSSLInfo(SSLInfo* ssl_info) {
if (!state_.connection()->socket()) {
ssl_info->Reset();
return;
}
parser()->GetSSLInfo(ssl_info);
}
void HttpBasicStream::GetSSLCertRequestInfo(
SSLCertRequestInfo* cert_request_info) {
if (!state_.connection()->socket()) {
cert_request_info->Reset();
return;
}
parser()->GetSSLCertRequestInfo(cert_request_info);
}
int HttpBasicStream::GetRemoteEndpoint(IPEndPoint* endpoint) {
if (!state_.connection() || !state_.connection()->socket())
return ERR_SOCKET_NOT_CONNECTED;
return state_.connection()->socket()->GetPeerAddress(endpoint);
}
void HttpBasicStream::Drain(HttpNetworkSession* session) {
session->StartResponseDrainer(
std::make_unique<HttpResponseBodyDrainer>(this));
// |drainer| will delete itself.
}
void HttpBasicStream::PopulateNetErrorDetails(NetErrorDetails* details) {
// TODO(mmenke): Consumers don't actually care about HTTP version, but seems
// like the right version should be reported, if headers were received.
details->connection_info = HttpResponseInfo::CONNECTION_INFO_HTTP1_1;
return;
}
void HttpBasicStream::SetPriority(RequestPriority priority) {
// TODO(akalin): Plumb this through to |connection_|.
}
void HttpBasicStream::SetRequestHeadersCallback(
RequestHeadersCallback callback) {
request_headers_callback_ = std::move(callback);
}
const std::set<std::string>& HttpBasicStream::GetDnsAliases() const {
return state_.GetDnsAliases();
}
base::StringPiece HttpBasicStream::GetAcceptChViaAlps() const {
return {};
}
void HttpBasicStream::OnHandshakeConfirmed(CompletionOnceCallback callback,
int rv) {
if (rv == OK) {
// Note this time is only recorded if ConfirmHandshake() completed
// asynchronously. If it was synchronous, GetLoadTimingInfo() assumes the
// handshake was already confirmed or there was nothing to confirm.
confirm_handshake_end_ = base::TimeTicks::Now();
}
std::move(callback).Run(rv);
}
} // namespace net
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