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- // Copyright (c) 2012 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/url_request/url_request_redirect_job.h"
- #include <string>
- #include "base/bind.h"
- #include "base/check.h"
- #include "base/compiler_specific.h"
- #include "base/location.h"
- #include "base/strings/stringprintf.h"
- #include "base/task/single_thread_task_runner.h"
- #include "base/threading/thread_task_runner_handle.h"
- #include "base/values.h"
- #include "net/base/load_timing_info.h"
- #include "net/base/net_errors.h"
- #include "net/http/http_log_util.h"
- #include "net/http/http_raw_request_headers.h"
- #include "net/http/http_response_headers.h"
- #include "net/log/net_log.h"
- #include "net/log/net_log_event_type.h"
- #include "net/log/net_log_with_source.h"
- #include "net/url_request/redirect_util.h"
- #include "net/url_request/url_request.h"
- #include "net/url_request/url_request_job.h"
- namespace net {
- URLRequestRedirectJob::URLRequestRedirectJob(
- URLRequest* request,
- const GURL& redirect_destination,
- RedirectUtil::ResponseCode response_code,
- const std::string& redirect_reason)
- : URLRequestJob(request),
- redirect_destination_(redirect_destination),
- response_code_(response_code),
- redirect_reason_(redirect_reason) {
- DCHECK(!redirect_reason_.empty());
- }
- URLRequestRedirectJob::~URLRequestRedirectJob() = default;
- void URLRequestRedirectJob::GetResponseInfo(HttpResponseInfo* info) {
- // Should only be called after the URLRequest has been notified there's header
- // information.
- DCHECK(fake_headers_.get());
- // This assumes |info| is a freshly constructed HttpResponseInfo.
- info->headers = fake_headers_;
- info->request_time = response_time_;
- info->response_time = response_time_;
- }
- void URLRequestRedirectJob::GetLoadTimingInfo(
- LoadTimingInfo* load_timing_info) const {
- // Set send_start, send_end, and receive_headers_start to
- // receive_headers_end_ to be consistent with network cache behavior.
- load_timing_info->send_start = receive_headers_end_;
- load_timing_info->send_end = receive_headers_end_;
- load_timing_info->receive_headers_start = receive_headers_end_;
- load_timing_info->receive_headers_end = receive_headers_end_;
- }
- void URLRequestRedirectJob::Start() {
- request()->net_log().AddEventWithStringParams(
- NetLogEventType::URL_REQUEST_REDIRECT_JOB, "reason", redirect_reason_);
- base::ThreadTaskRunnerHandle::Get()->PostTask(
- FROM_HERE, base::BindOnce(&URLRequestRedirectJob::StartAsync,
- weak_factory_.GetWeakPtr()));
- }
- void URLRequestRedirectJob::Kill() {
- weak_factory_.InvalidateWeakPtrs();
- URLRequestJob::Kill();
- }
- bool URLRequestRedirectJob::CopyFragmentOnRedirect(const GURL& location) const {
- // The instantiators have full control over the desired redirection target,
- // including the reference fragment part of the URL.
- return false;
- }
- void URLRequestRedirectJob::StartAsync() {
- DCHECK(request_);
- receive_headers_end_ = base::TimeTicks::Now();
- response_time_ = base::Time::Now();
- const HttpRequestHeaders& request_headers = request_->extra_request_headers();
- fake_headers_ = RedirectUtil::SynthesizeRedirectHeaders(
- redirect_destination_, response_code_, redirect_reason_, request_headers);
- NetLogResponseHeaders(
- request()->net_log(),
- NetLogEventType::URL_REQUEST_FAKE_RESPONSE_HEADERS_CREATED,
- fake_headers_.get());
- // Send request headers along if there's a callback
- if (request_headers_callback_) {
- HttpRawRequestHeaders raw_request_headers;
- for (const auto& header : request_headers.GetHeaderVector()) {
- raw_request_headers.Add(header.key, header.value);
- }
- // Just to make extra sure everyone knows this is an internal header
- raw_request_headers.set_request_line(
- base::StringPrintf("%s %s HTTP/1.1\r\n", request_->method().c_str(),
- request_->url().PathForRequest().c_str()));
- request_headers_callback_.Run(std::move(raw_request_headers));
- }
- // TODO(mmenke): Consider calling the NetworkDelegate with the headers here.
- // There's some weirdness about how to handle the case in which the delegate
- // tries to modify the redirect location, in terms of how IsSafeRedirect
- // should behave, and whether the fragment should be copied.
- URLRequestJob::NotifyHeadersComplete();
- }
- void URLRequestRedirectJob::SetRequestHeadersCallback(
- RequestHeadersCallback callback) {
- request_headers_callback_ = std::move(callback);
- }
- } // namespace net
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