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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 "chrome/browser/android/intercept_download_resource_throttle.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
#include "content/public/browser/android/download_controller_android.h"
#include "content/public/browser/resource_controller.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_response_headers.h"
#include "net/url_request/url_request.h"
namespace chrome {
InterceptDownloadResourceThrottle::InterceptDownloadResourceThrottle(
net::URLRequest* request,
int render_process_id,
int render_view_id,
int request_id)
: request_(request),
render_process_id_(render_process_id),
render_view_id_(render_view_id),
request_id_(request_id) {
}
InterceptDownloadResourceThrottle::~InterceptDownloadResourceThrottle() {
}
void InterceptDownloadResourceThrottle::WillProcessResponse(bool* defer) {
ProcessDownloadRequest();
}
const char* InterceptDownloadResourceThrottle::GetNameForLogging() const {
return "InterceptDownloadResourceThrottle";
}
void InterceptDownloadResourceThrottle::ProcessDownloadRequest() {
// TODO(qinmin): add UMA stats for all reasons that downloads are not
// intercepted by the Android Download Manager. http://crbug.com/385272.
if (request_->url_chain().empty())
return;
GURL url = request_->url_chain().back();
if (!url.SchemeIsHTTPOrHTTPS())
return;
if (request_->method() != net::HttpRequestHeaders::kGetMethod)
return;
net::HttpRequestHeaders headers;
if (!request_->GetFullRequestHeaders(&headers))
return;
// In general, if the request uses HTTP authorization, either with the origin
// or a proxy, then the network stack should handle the download. The one
// exception is a request that is fetched via the Chrome Proxy and does not
// authenticate with the origin.
if (request_->response_info().did_use_http_auth) {
if (headers.HasHeader(net::HttpRequestHeaders::kAuthorization) ||
!(request_->response_info().headers.get() &&
data_reduction_proxy::HasDataReductionProxyViaHeader(
request_->response_info().headers.get(), NULL))) {
return;
}
}
// If the cookie is possibly channel-bound, don't pass it to android download
// manager.
// TODO(qinmin): add a test for this. http://crbug.com/430541.
if (request_->ssl_info().channel_id_sent)
return;
content::DownloadControllerAndroid::Get()->CreateGETDownload(
render_process_id_, render_view_id_, request_id_);
controller()->Cancel();
}
} // namespace chrome
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