| // 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/renderer_host/chrome_resource_dispatcher_host_delegate.h" |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/base64.h" |
| #include "base/guid.h" |
| #include "base/logging.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/chrome_notification_types.h" |
| #include "chrome/browser/component_updater/component_updater_resource_throttle.h" |
| #include "chrome/browser/download/download_request_limiter.h" |
| #include "chrome/browser/download/download_resource_throttle.h" |
| #include "chrome/browser/mod_pagespeed/mod_pagespeed_metrics.h" |
| #include "chrome/browser/net/resource_prefetch_predictor_observer.h" |
| #include "chrome/browser/plugins/plugin_prefs.h" |
| #include "chrome/browser/prefetch/prefetch.h" |
| #include "chrome/browser/prerender/prerender_manager.h" |
| #include "chrome/browser/prerender/prerender_manager_factory.h" |
| #include "chrome/browser/prerender/prerender_resource_throttle.h" |
| #include "chrome/browser/prerender/prerender_util.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/profiles/profile_io_data.h" |
| #include "chrome/browser/renderer_host/safe_browsing_resource_throttle_factory.h" |
| #include "chrome/browser/safe_browsing/safe_browsing_service.h" |
| #include "chrome/browser/signin/chrome_signin_helper.h" |
| #include "chrome/browser/tab_contents/tab_util.h" |
| #include "chrome/browser/ui/login/login_prompt.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "chrome/common/render_messages.h" |
| #include "chrome/common/url_constants.h" |
| #include "components/content_settings/core/browser/host_content_settings_map.h" |
| #include "components/google/core/browser/google_util.h" |
| #include "components/variations/net/variations_http_header_provider.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/notification_service.h" |
| #include "content/public/browser/plugin_service.h" |
| #include "content/public/browser/plugin_service_filter.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/resource_context.h" |
| #include "content/public/browser/resource_dispatcher_host.h" |
| #include "content/public/browser/resource_request_info.h" |
| #include "content/public/browser/service_worker_context.h" |
| #include "content/public/browser/stream_info.h" |
| #include "content/public/browser/web_contents.h" |
| #include "content/public/common/resource_response.h" |
| #include "net/base/load_flags.h" |
| #include "net/base/load_timing_info.h" |
| #include "net/base/request_priority.h" |
| #include "net/http/http_response_headers.h" |
| #include "net/url_request/url_request.h" |
| |
| #if !defined(DISABLE_NACL) |
| #include "chrome/browser/component_updater/pnacl_component_installer.h" |
| #endif |
| |
| #if defined(ENABLE_CONFIGURATION_POLICY) |
| #include "components/policy/core/common/cloud/policy_header_io_helper.h" |
| #endif |
| |
| #if defined(ENABLE_EXTENSIONS) |
| #include "chrome/browser/apps/app_url_redirector.h" |
| #include "chrome/browser/apps/ephemeral_app_throttle.h" |
| #include "chrome/browser/extensions/api/streams_private/streams_private_api.h" |
| #include "chrome/browser/extensions/user_script_listener.h" |
| #include "extensions/browser/extension_throttle_manager.h" |
| #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h" |
| #include "extensions/browser/info_map.h" |
| #include "extensions/common/constants.h" |
| #include "extensions/common/extension_urls.h" |
| #include "extensions/common/manifest_handlers/mime_types_handler.h" |
| #include "extensions/common/user_script.h" |
| #endif |
| |
| #if defined(ENABLE_SUPERVISED_USERS) |
| #include "chrome/browser/supervised_user/supervised_user_resource_throttle.h" |
| #endif |
| |
| #if defined(USE_SYSTEM_PROTOBUF) |
| #include <google/protobuf/repeated_field.h> |
| #else |
| #include "third_party/protobuf/src/google/protobuf/repeated_field.h" |
| #endif |
| |
| #if defined(OS_ANDROID) |
| #include "chrome/browser/android/intercept_download_resource_throttle.h" |
| #include "components/navigation_interception/intercept_navigation_delegate.h" |
| #endif |
| |
| #if defined(ENABLE_DATA_REDUCTION_PROXY_DEBUGGING) |
| #include "components/data_reduction_proxy/content/browser/data_reduction_proxy_debug_resource_throttle.h" |
| #endif |
| |
| #if defined(OS_CHROMEOS) |
| #include "chrome/browser/chromeos/login/signin/merge_session_throttle.h" |
| #endif |
| |
| using content::BrowserThread; |
| using content::RenderViewHost; |
| using content::ResourceDispatcherHostLoginDelegate; |
| using content::ResourceRequestInfo; |
| using content::ResourceType; |
| |
| #if defined(ENABLE_EXTENSIONS) |
| using extensions::Extension; |
| using extensions::StreamsPrivateAPI; |
| #endif |
| |
| #if defined(OS_ANDROID) |
| using navigation_interception::InterceptNavigationDelegate; |
| #endif |
| |
| namespace { |
| |
| ExternalProtocolHandler::Delegate* g_external_protocol_handler_delegate = NULL; |
| |
| void NotifyDownloadInitiatedOnUI(int render_process_id, int render_view_id) { |
| RenderViewHost* rvh = RenderViewHost::FromID(render_process_id, |
| render_view_id); |
| if (!rvh) |
| return; |
| |
| content::NotificationService::current()->Notify( |
| chrome::NOTIFICATION_DOWNLOAD_INITIATED, |
| content::Source<RenderViewHost>(rvh), |
| content::NotificationService::NoDetails()); |
| } |
| |
| prerender::PrerenderManager* GetPrerenderManager(int render_process_id, |
| int render_view_id) { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
| |
| content::WebContents* web_contents = |
| tab_util::GetWebContentsByID(render_process_id, render_view_id); |
| if (!web_contents) |
| return NULL; |
| |
| content::BrowserContext* browser_context = web_contents->GetBrowserContext(); |
| if (!browser_context) |
| return NULL; |
| |
| Profile* profile = Profile::FromBrowserContext(browser_context); |
| if (!profile) |
| return NULL; |
| |
| return prerender::PrerenderManagerFactory::GetForProfile(profile); |
| } |
| |
| void UpdatePrerenderNetworkBytesCallback(int render_process_id, |
| int render_view_id, |
| int64 bytes) { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
| |
| content::WebContents* web_contents = |
| tab_util::GetWebContentsByID(render_process_id, render_view_id); |
| // PrerenderContents::FromWebContents handles the NULL case. |
| prerender::PrerenderContents* prerender_contents = |
| prerender::PrerenderContents::FromWebContents(web_contents); |
| |
| if (prerender_contents) |
| prerender_contents->AddNetworkBytes(bytes); |
| |
| prerender::PrerenderManager* prerender_manager = |
| GetPrerenderManager(render_process_id, render_view_id); |
| if (prerender_manager) |
| prerender_manager->AddProfileNetworkBytesIfEnabled(bytes); |
| } |
| |
| #if defined(ENABLE_EXTENSIONS) |
| void SendExecuteMimeTypeHandlerEvent(scoped_ptr<content::StreamInfo> stream, |
| int64 expected_content_size, |
| int render_process_id, |
| int render_frame_id, |
| const std::string& extension_id, |
| const std::string& view_id, |
| bool embedded) { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
| |
| content::WebContents* web_contents = |
| tab_util::GetWebContentsByFrameID(render_process_id, render_frame_id); |
| if (!web_contents) |
| return; |
| |
| // If the request was for a prerender, abort the prerender and do not |
| // continue. |
| prerender::PrerenderContents* prerender_contents = |
| prerender::PrerenderContents::FromWebContents(web_contents); |
| if (prerender_contents) { |
| prerender_contents->Destroy(prerender::FINAL_STATUS_DOWNLOAD); |
| return; |
| } |
| |
| Profile* profile = |
| Profile::FromBrowserContext(web_contents->GetBrowserContext()); |
| |
| StreamsPrivateAPI* streams_private = StreamsPrivateAPI::Get(profile); |
| if (!streams_private) |
| return; |
| streams_private->ExecuteMimeTypeHandler( |
| extension_id, web_contents, stream.Pass(), view_id, expected_content_size, |
| embedded, render_process_id, render_frame_id); |
| } |
| #endif // !defined(ENABLE_EXTENSIONS) |
| |
| void LaunchURL( |
| const GURL& url, |
| int render_process_id, |
| int render_view_id, |
| ui::PageTransition page_transition, |
| bool has_user_gesture) { |
| // If there is no longer a WebContents, the request may have raced with tab |
| // closing. Don't fire the external request. (It may have been a prerender.) |
| content::WebContents* web_contents = |
| tab_util::GetWebContentsByID(render_process_id, render_view_id); |
| if (!web_contents) |
| return; |
| |
| // Do not launch external requests attached to unswapped prerenders. |
| prerender::PrerenderContents* prerender_contents = |
| prerender::PrerenderContents::FromWebContents(web_contents); |
| if (prerender_contents) { |
| prerender_contents->Destroy(prerender::FINAL_STATUS_UNSUPPORTED_SCHEME); |
| prerender::ReportPrerenderExternalURL(); |
| return; |
| } |
| |
| ExternalProtocolHandler::LaunchUrlWithDelegate( |
| url, |
| render_process_id, |
| render_view_id, |
| page_transition, |
| has_user_gesture, |
| g_external_protocol_handler_delegate); |
| } |
| |
| #if !defined(DISABLE_NACL) |
| void AppendComponentUpdaterThrottles( |
| net::URLRequest* request, |
| content::ResourceContext* resource_context, |
| ResourceType resource_type, |
| ScopedVector<content::ResourceThrottle>* throttles) { |
| const char* crx_id = NULL; |
| component_updater::ComponentUpdateService* cus = |
| g_browser_process->component_updater(); |
| if (!cus) |
| return; |
| // Check for PNaCl pexe request. |
| if (resource_type == content::RESOURCE_TYPE_OBJECT) { |
| const net::HttpRequestHeaders& headers = request->extra_request_headers(); |
| std::string accept_headers; |
| if (headers.GetHeader("Accept", &accept_headers)) { |
| if (accept_headers.find("application/x-pnacl") != std::string::npos && |
| pnacl::NeedsOnDemandUpdate()) |
| crx_id = "hnimpnehoodheedghdeeijklkeaacbdc"; |
| } |
| } |
| |
| if (crx_id) { |
| // We got a component we need to install, so throttle the resource |
| // until the component is installed. |
| throttles->push_back( |
| component_updater::GetOnDemandResourceThrottle(cus, crx_id)); |
| } |
| } |
| #endif // !defined(DISABLE_NACL) |
| |
| } // namespace |
| |
| ChromeResourceDispatcherHostDelegate::ChromeResourceDispatcherHostDelegate() |
| : download_request_limiter_(g_browser_process->download_request_limiter()), |
| safe_browsing_(g_browser_process->safe_browsing_service()) |
| #if defined(ENABLE_EXTENSIONS) |
| , user_script_listener_(new extensions::UserScriptListener()) |
| #endif |
| { |
| BrowserThread::PostTask( |
| BrowserThread::IO, |
| FROM_HERE, |
| base::Bind(content::ServiceWorkerContext::AddExcludedHeadersForFetchEvent, |
| variations::VariationsHttpHeaderProvider::GetInstance() |
| ->GetVariationHeaderNames())); |
| } |
| |
| ChromeResourceDispatcherHostDelegate::~ChromeResourceDispatcherHostDelegate() { |
| #if defined(ENABLE_EXTENSIONS) |
| CHECK(stream_target_info_.empty()); |
| #endif |
| } |
| |
| bool ChromeResourceDispatcherHostDelegate::ShouldBeginRequest( |
| const std::string& method, |
| const GURL& url, |
| ResourceType resource_type, |
| content::ResourceContext* resource_context) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| |
| // Handle a PREFETCH resource type. If prefetch is disabled, squelch the |
| // request. Otherwise, do a normal request to warm the cache. |
| if (resource_type == content::RESOURCE_TYPE_PREFETCH) { |
| // All PREFETCH requests should be GETs, but be defensive about it. |
| if (method != "GET") |
| return false; |
| |
| // If prefetch is disabled, kill the request. |
| if (!prefetch::IsPrefetchEnabled(resource_context)) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void ChromeResourceDispatcherHostDelegate::RequestBeginning( |
| net::URLRequest* request, |
| content::ResourceContext* resource_context, |
| content::AppCacheService* appcache_service, |
| ResourceType resource_type, |
| ScopedVector<content::ResourceThrottle>* throttles) { |
| if (safe_browsing_.get()) |
| safe_browsing_->OnResourceRequest(request); |
| |
| const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); |
| bool is_prerendering = |
| info->GetVisibilityState() == blink::WebPageVisibilityStatePrerender; |
| if (is_prerendering) { |
| // Requests with the IGNORE_LIMITS flag set (i.e., sync XHRs) |
| // should remain at MAXIMUM_PRIORITY. |
| if (request->load_flags() & net::LOAD_IGNORE_LIMITS) { |
| DCHECK_EQ(request->priority(), net::MAXIMUM_PRIORITY); |
| } else { |
| request->SetPriority(net::IDLE); |
| } |
| } |
| |
| ProfileIOData* io_data = ProfileIOData::FromResourceContext( |
| resource_context); |
| |
| #if defined(OS_ANDROID) |
| // TODO(davidben): This is insufficient to integrate with prerender properly. |
| // https://crbug.com/370595 |
| if (!is_prerendering) { |
| if (resource_type == content::RESOURCE_TYPE_MAIN_FRAME) { |
| throttles->push_back( |
| InterceptNavigationDelegate::CreateThrottleFor(request)); |
| } else { |
| InterceptNavigationDelegate::UpdateUserGestureCarryoverInfo(request); |
| } |
| } |
| #else |
| if (resource_type == content::RESOURCE_TYPE_MAIN_FRAME) { |
| // Redirect some navigations to apps that have registered matching URL |
| // handlers ('url_handlers' in the manifest). |
| content::ResourceThrottle* url_to_app_throttle = |
| AppUrlRedirector::MaybeCreateThrottleFor(request, io_data); |
| if (url_to_app_throttle) |
| throttles->push_back(url_to_app_throttle); |
| |
| if (!is_prerendering) { |
| // Experimental: Launch ephemeral apps from search results. |
| content::ResourceThrottle* ephemeral_app_throttle = |
| EphemeralAppThrottle::MaybeCreateThrottleForLaunch( |
| request, io_data); |
| if (ephemeral_app_throttle) |
| throttles->push_back(ephemeral_app_throttle); |
| } |
| } |
| #endif |
| |
| #if defined(OS_CHROMEOS) |
| // Check if we need to add merge session throttle. This throttle will postpone |
| // loading of main frames and XHR request. |
| if (resource_type == content::RESOURCE_TYPE_MAIN_FRAME || |
| resource_type == content::RESOURCE_TYPE_XHR) { |
| // Add interstitial page while merge session process (cookie |
| // reconstruction from OAuth2 refresh token in ChromeOS login) is still in |
| // progress while we are attempting to load a google property. |
| if (!MergeSessionThrottle::AreAllSessionMergedAlready() && |
| request->url().SchemeIsHTTPOrHTTPS()) { |
| throttles->push_back(new MergeSessionThrottle(request, resource_type)); |
| } |
| } |
| #endif |
| |
| // Don't attempt to append headers to requests that have already started. |
| // TODO(stevet): Remove this once the request ordering issues are resolved |
| // in crbug.com/128048. |
| if (!request->is_pending()) { |
| net::HttpRequestHeaders headers; |
| headers.CopyFrom(request->extra_request_headers()); |
| bool is_off_the_record = io_data->IsOffTheRecord(); |
| variations::VariationsHttpHeaderProvider::GetInstance()-> |
| AppendHeaders(request->url(), |
| is_off_the_record, |
| !is_off_the_record && |
| io_data->GetMetricsEnabledStateOnIOThread(), |
| &headers); |
| request->SetExtraRequestHeaders(headers); |
| } |
| |
| #if defined(ENABLE_CONFIGURATION_POLICY) |
| if (io_data->policy_header_helper()) |
| io_data->policy_header_helper()->AddPolicyHeaders(request->url(), request); |
| #endif |
| |
| signin::AppendMirrorRequestHeaderHelper(request, GURL() /* redirect_url */, |
| io_data, info->GetChildID(), |
| info->GetRouteID()); |
| |
| AppendStandardResourceThrottles(request, |
| resource_context, |
| resource_type, |
| throttles); |
| #if !defined(DISABLE_NACL) |
| if (!is_prerendering) { |
| AppendComponentUpdaterThrottles(request, |
| resource_context, |
| resource_type, |
| throttles); |
| } |
| #endif |
| |
| if (io_data->resource_prefetch_predictor_observer()) { |
| io_data->resource_prefetch_predictor_observer()->OnRequestStarted( |
| request, resource_type, info->GetChildID(), info->GetRenderFrameID()); |
| } |
| } |
| |
| void ChromeResourceDispatcherHostDelegate::DownloadStarting( |
| net::URLRequest* request, |
| content::ResourceContext* resource_context, |
| int child_id, |
| int route_id, |
| int request_id, |
| bool is_content_initiated, |
| bool must_download, |
| ScopedVector<content::ResourceThrottle>* throttles) { |
| BrowserThread::PostTask( |
| BrowserThread::UI, FROM_HERE, |
| base::Bind(&NotifyDownloadInitiatedOnUI, child_id, route_id)); |
| |
| // If it's from the web, we don't trust it, so we push the throttle on. |
| if (is_content_initiated) { |
| throttles->push_back(new DownloadResourceThrottle( |
| download_request_limiter_, child_id, route_id, request->url(), |
| request->method())); |
| #if defined(OS_ANDROID) |
| throttles->push_back( |
| new chrome::InterceptDownloadResourceThrottle( |
| request, child_id, route_id, request_id)); |
| #endif |
| } |
| |
| // If this isn't a new request, we've seen this before and added the standard |
| // resource throttles already so no need to add it again. |
| if (!request->is_pending()) { |
| AppendStandardResourceThrottles(request, |
| resource_context, |
| content::RESOURCE_TYPE_MAIN_FRAME, |
| throttles); |
| } |
| } |
| |
| ResourceDispatcherHostLoginDelegate* |
| ChromeResourceDispatcherHostDelegate::CreateLoginDelegate( |
| net::AuthChallengeInfo* auth_info, net::URLRequest* request) { |
| return CreateLoginPrompt(auth_info, request); |
| } |
| |
| bool ChromeResourceDispatcherHostDelegate::HandleExternalProtocol( |
| const GURL& url, |
| int child_id, |
| int route_id, |
| bool is_main_frame, |
| ui::PageTransition page_transition, |
| bool has_user_gesture) { |
| #if defined(ENABLE_EXTENSIONS) |
| // External protocols are disabled for guests. An exception is made for the |
| // "mailto" protocol, so that pages that utilize it work properly in a |
| // WebView. |
| if (extensions::WebViewRendererState::GetInstance()->IsGuest(child_id) && |
| !url.SchemeIs(url::kMailToScheme)) { |
| return false; |
| } |
| #endif // defined(ENABLE_EXTENSIONS) |
| |
| #if defined(OS_ANDROID) |
| // Main frame external protocols are handled by |
| // InterceptNavigationResourceThrottle. |
| if (is_main_frame) |
| return false; |
| #endif // defined(ANDROID) |
| |
| BrowserThread::PostTask( |
| BrowserThread::UI, |
| FROM_HERE, |
| base::Bind(&LaunchURL, url, child_id, route_id, page_transition, |
| has_user_gesture)); |
| return true; |
| } |
| |
| void ChromeResourceDispatcherHostDelegate::AppendStandardResourceThrottles( |
| net::URLRequest* request, |
| content::ResourceContext* resource_context, |
| ResourceType resource_type, |
| ScopedVector<content::ResourceThrottle>* throttles) { |
| ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context); |
| #if defined(SAFE_BROWSING_SERVICE) |
| // Insert safe browsing at the front of the list, so it gets to decide on |
| // policies first. |
| if (io_data->safe_browsing_enabled()->GetValue() |
| #if defined(OS_ANDROID) |
| || io_data->IsDataReductionProxyEnabled() |
| #endif |
| ) { |
| content::ResourceThrottle* throttle = |
| SafeBrowsingResourceThrottleFactory::Create(request, |
| resource_context, |
| resource_type, |
| safe_browsing_.get()); |
| if (throttle) |
| throttles->push_back(throttle); |
| } |
| #endif |
| |
| #if defined(ENABLE_DATA_REDUCTION_PROXY_DEBUGGING) |
| scoped_ptr<content::ResourceThrottle> data_reduction_proxy_throttle = |
| data_reduction_proxy::DataReductionProxyDebugResourceThrottle:: |
| MaybeCreate( |
| request, resource_type, io_data->data_reduction_proxy_io_data()); |
| if (data_reduction_proxy_throttle) |
| throttles->push_back(data_reduction_proxy_throttle.Pass()); |
| #endif |
| |
| #if defined(ENABLE_SUPERVISED_USERS) |
| bool is_subresource_request = |
| resource_type != content::RESOURCE_TYPE_MAIN_FRAME; |
| throttles->push_back(new SupervisedUserResourceThrottle( |
| request, !is_subresource_request, |
| io_data->supervised_user_url_filter())); |
| #endif |
| |
| #if defined(ENABLE_EXTENSIONS) |
| content::ResourceThrottle* wait_for_extensions_init_throttle = |
| user_script_listener_->CreateResourceThrottle(request->url(), |
| resource_type); |
| if (wait_for_extensions_init_throttle) |
| throttles->push_back(wait_for_extensions_init_throttle); |
| |
| extensions::ExtensionThrottleManager* extension_throttle_manager = |
| io_data->GetExtensionThrottleManager(); |
| if (extension_throttle_manager) { |
| scoped_ptr<content::ResourceThrottle> extension_throttle = |
| extension_throttle_manager->MaybeCreateThrottle(request); |
| if (extension_throttle) |
| throttles->push_back(extension_throttle.release()); |
| } |
| #endif |
| |
| const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); |
| if (info->GetVisibilityState() == blink::WebPageVisibilityStatePrerender) { |
| throttles->push_back(new prerender::PrerenderResourceThrottle(request)); |
| } |
| } |
| |
| bool ChromeResourceDispatcherHostDelegate::ShouldForceDownloadResource( |
| const GURL& url, const std::string& mime_type) { |
| #if defined(ENABLE_EXTENSIONS) |
| // Special-case user scripts to get downloaded instead of viewed. |
| return extensions::UserScript::IsURLUserScript(url, mime_type); |
| #else |
| return false; |
| #endif |
| } |
| |
| bool ChromeResourceDispatcherHostDelegate::ShouldInterceptResourceAsStream( |
| net::URLRequest* request, |
| const base::FilePath& plugin_path, |
| const std::string& mime_type, |
| GURL* origin, |
| std::string* payload) { |
| #if defined(ENABLE_EXTENSIONS) |
| const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); |
| ProfileIOData* io_data = |
| ProfileIOData::FromResourceContext(info->GetContext()); |
| bool profile_is_off_the_record = io_data->IsOffTheRecord(); |
| const scoped_refptr<const extensions::InfoMap> extension_info_map( |
| io_data->GetExtensionInfoMap()); |
| std::vector<std::string> whitelist = MimeTypesHandler::GetMIMETypeWhitelist(); |
| // Go through the white-listed extensions and try to use them to intercept |
| // the URL request. |
| for (const std::string& extension_id : whitelist) { |
| const Extension* extension = |
| extension_info_map->extensions().GetByID(extension_id); |
| // The white-listed extension may not be installed, so we have to NULL check |
| // |extension|. |
| if (!extension || |
| (profile_is_off_the_record && |
| !extension_info_map->IsIncognitoEnabled(extension_id))) { |
| continue; |
| } |
| MimeTypesHandler* handler = MimeTypesHandler::GetHandler(extension); |
| if (!handler) |
| continue; |
| |
| // If a plugin path is provided then a stream is being intercepted for the |
| // mimeHandlerPrivate API. Otherwise a stream is being intercepted for the |
| // streamsPrivate API. |
| if (!plugin_path.empty()) { |
| if (handler->HasPlugin() && plugin_path == handler->GetPluginPath()) { |
| StreamTargetInfo target_info; |
| *origin = Extension::GetBaseURLFromExtensionId(extension_id); |
| target_info.extension_id = extension_id; |
| target_info.view_id = base::GenerateGUID(); |
| *payload = target_info.view_id; |
| stream_target_info_[request] = target_info; |
| return true; |
| } |
| } else { |
| if (!handler->HasPlugin() && handler->CanHandleMIMEType(mime_type)) { |
| StreamTargetInfo target_info; |
| *origin = Extension::GetBaseURLFromExtensionId(extension_id); |
| target_info.extension_id = extension_id; |
| stream_target_info_[request] = target_info; |
| return true; |
| } |
| } |
| } |
| #endif |
| return false; |
| } |
| |
| void ChromeResourceDispatcherHostDelegate::OnStreamCreated( |
| net::URLRequest* request, |
| scoped_ptr<content::StreamInfo> stream) { |
| #if defined(ENABLE_EXTENSIONS) |
| const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); |
| std::map<net::URLRequest*, StreamTargetInfo>::iterator ix = |
| stream_target_info_.find(request); |
| CHECK(ix != stream_target_info_.end()); |
| bool embedded = info->GetResourceType() != content::RESOURCE_TYPE_MAIN_FRAME; |
| content::BrowserThread::PostTask( |
| content::BrowserThread::UI, FROM_HERE, |
| base::Bind(&SendExecuteMimeTypeHandlerEvent, base::Passed(&stream), |
| request->GetExpectedContentSize(), info->GetChildID(), |
| info->GetRenderFrameID(), ix->second.extension_id, |
| ix->second.view_id, embedded)); |
| stream_target_info_.erase(request); |
| #endif |
| } |
| |
| void ChromeResourceDispatcherHostDelegate::OnResponseStarted( |
| net::URLRequest* request, |
| content::ResourceContext* resource_context, |
| content::ResourceResponse* response, |
| IPC::Sender* sender) { |
| const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); |
| ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context); |
| |
| // See if the response contains the X-Chrome-Manage-Accounts header. If so |
| // show the profile avatar bubble so that user can complete signin/out action |
| // the native UI. |
| signin::ProcessMirrorResponseHeaderIfExists(request, io_data, |
| info->GetChildID(), |
| info->GetRouteID()); |
| |
| // Built-in additional protection for the chrome web store origin. |
| #if defined(ENABLE_EXTENSIONS) |
| GURL webstore_url(extension_urls::GetWebstoreLaunchURL()); |
| if (request->url().SchemeIsHTTPOrHTTPS() && |
| request->url().DomainIs(webstore_url.host().c_str())) { |
| net::HttpResponseHeaders* response_headers = request->response_headers(); |
| if (response_headers && |
| !response_headers->HasHeaderValue("x-frame-options", "deny") && |
| !response_headers->HasHeaderValue("x-frame-options", "sameorigin")) { |
| response_headers->RemoveHeader("x-frame-options"); |
| response_headers->AddHeader("x-frame-options: sameorigin"); |
| } |
| } |
| #endif |
| |
| if (io_data->resource_prefetch_predictor_observer()) |
| io_data->resource_prefetch_predictor_observer()->OnResponseStarted(request); |
| |
| // Ignores x-frame-options for the chrome signin UI. |
| const std::string request_spec( |
| request->first_party_for_cookies().GetOrigin().spec()); |
| #if defined(OS_CHROMEOS) |
| if (request_spec == chrome::kChromeUIOobeURL || |
| request_spec == chrome::kChromeUIChromeSigninURL) { |
| #else |
| if (request_spec == chrome::kChromeUIChromeSigninURL) { |
| #endif |
| net::HttpResponseHeaders* response_headers = request->response_headers(); |
| if (response_headers && response_headers->HasHeader("x-frame-options")) |
| response_headers->RemoveHeader("x-frame-options"); |
| } |
| |
| mod_pagespeed::RecordMetrics(info->GetResourceType(), request->url(), |
| request->response_headers()); |
| } |
| |
| void ChromeResourceDispatcherHostDelegate::OnRequestRedirected( |
| const GURL& redirect_url, |
| net::URLRequest* request, |
| content::ResourceContext* resource_context, |
| content::ResourceResponse* response) { |
| ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context); |
| |
| const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); |
| |
| // In the Mirror world, Chrome should append a X-Chrome-Connected header to |
| // all Gaia requests from a connected profile so Gaia could return a 204 |
| // response and let Chrome handle the action with native UI. The only |
| // exception is requests from gaia webview, since the native profile |
| // management UI is built on top of it. |
| signin::AppendMirrorRequestHeaderHelper( |
| request, redirect_url, io_data, info->GetChildID(), info->GetRouteID()); |
| |
| if (io_data->resource_prefetch_predictor_observer()) { |
| io_data->resource_prefetch_predictor_observer()->OnRequestRedirected( |
| redirect_url, request); |
| } |
| |
| #if defined(ENABLE_CONFIGURATION_POLICY) |
| if (io_data->policy_header_helper()) |
| io_data->policy_header_helper()->AddPolicyHeaders(redirect_url, request); |
| #endif |
| } |
| |
| // Notification that a request has completed. |
| void ChromeResourceDispatcherHostDelegate::RequestComplete( |
| net::URLRequest* url_request) { |
| // Jump on the UI thread and inform the prerender about the bytes. |
| const ResourceRequestInfo* info = |
| ResourceRequestInfo::ForRequest(url_request); |
| if (url_request && !url_request->was_cached()) { |
| BrowserThread::PostTask(BrowserThread::UI, |
| FROM_HERE, |
| base::Bind(&UpdatePrerenderNetworkBytesCallback, |
| info->GetChildID(), |
| info->GetRouteID(), |
| url_request->GetTotalReceivedBytes())); |
| } |
| } |
| |
| // static |
| void ChromeResourceDispatcherHostDelegate:: |
| SetExternalProtocolHandlerDelegateForTesting( |
| ExternalProtocolHandler::Delegate* delegate) { |
| g_external_protocol_handler_delegate = delegate; |
| } |