chrome_resource_dispatcher_host_delegate.cc revision f8ee788a64d60abd8f2d742a5fdedde054ecd910
1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h" 6 7#include <string> 8#include <vector> 9 10#include "base/base64.h" 11#include "base/guid.h" 12#include "base/logging.h" 13#include "chrome/browser/browser_process.h" 14#include "chrome/browser/chrome_notification_types.h" 15#include "chrome/browser/component_updater/component_updater_service.h" 16#include "chrome/browser/component_updater/pnacl/pnacl_component_installer.h" 17#include "chrome/browser/content_settings/host_content_settings_map.h" 18#include "chrome/browser/download/download_request_limiter.h" 19#include "chrome/browser/download/download_resource_throttle.h" 20#include "chrome/browser/extensions/api/streams_private/streams_private_api.h" 21#include "chrome/browser/extensions/extension_renderer_state.h" 22#include "chrome/browser/extensions/user_script_listener.h" 23#include "chrome/browser/google/google_util.h" 24#include "chrome/browser/metrics/variations/variations_http_header_provider.h" 25#include "chrome/browser/prefetch/prefetch.h" 26#include "chrome/browser/prerender/prerender_manager.h" 27#include "chrome/browser/prerender/prerender_manager_factory.h" 28#include "chrome/browser/prerender/prerender_pending_swap_throttle.h" 29#include "chrome/browser/prerender/prerender_resource_throttle.h" 30#include "chrome/browser/prerender/prerender_tracker.h" 31#include "chrome/browser/prerender/prerender_util.h" 32#include "chrome/browser/profiles/profile.h" 33#include "chrome/browser/profiles/profile_io_data.h" 34#include "chrome/browser/renderer_host/safe_browsing_resource_throttle_factory.h" 35#include "chrome/browser/safe_browsing/safe_browsing_service.h" 36#include "chrome/browser/signin/signin_header_helper.h" 37#include "chrome/browser/tab_contents/tab_util.h" 38#include "chrome/browser/ui/login/login_prompt.h" 39#include "chrome/browser/ui/sync/one_click_signin_helper.h" 40#include "chrome/common/extensions/extension_constants.h" 41#include "chrome/common/extensions/manifest_handlers/mime_types_handler.h" 42#include "chrome/common/render_messages.h" 43#include "chrome/common/url_constants.h" 44#include "content/public/browser/browser_thread.h" 45#include "content/public/browser/notification_service.h" 46#include "content/public/browser/render_process_host.h" 47#include "content/public/browser/render_view_host.h" 48#include "content/public/browser/resource_context.h" 49#include "content/public/browser/resource_dispatcher_host.h" 50#include "content/public/browser/resource_request_info.h" 51#include "content/public/browser/stream_handle.h" 52#include "content/public/browser/web_contents.h" 53#include "content/public/common/resource_response.h" 54#include "extensions/browser/info_map.h" 55#include "extensions/common/constants.h" 56#include "extensions/common/user_script.h" 57#include "net/base/load_flags.h" 58#include "net/base/load_timing_info.h" 59#include "net/base/request_priority.h" 60#include "net/http/http_response_headers.h" 61#include "net/url_request/url_request.h" 62 63#if defined(ENABLE_CONFIGURATION_POLICY) 64#include "components/policy/core/common/cloud/policy_header_io_helper.h" 65#endif 66 67#if defined(ENABLE_MANAGED_USERS) 68#include "chrome/browser/supervised_user/supervised_user_resource_throttle.h" 69#endif 70 71#if defined(USE_SYSTEM_PROTOBUF) 72#include <google/protobuf/repeated_field.h> 73#else 74#include "third_party/protobuf/src/google/protobuf/repeated_field.h" 75#endif 76 77#if defined(OS_ANDROID) 78#include "chrome/browser/android/intercept_download_resource_throttle.h" 79#include "chrome/browser/ui/android/infobars/auto_login_prompter.h" 80#include "components/navigation_interception/intercept_navigation_delegate.h" 81#else 82#include "chrome/browser/apps/app_url_redirector.h" 83#include "chrome/browser/apps/ephemeral_app_throttle.h" 84#endif 85 86#if defined(OS_CHROMEOS) 87#include "chrome/browser/chromeos/login/signin/merge_session_throttle.h" 88// TODO(oshima): Enable this for other platforms. 89#include "chrome/browser/renderer_host/offline_resource_throttle.h" 90#endif 91 92using content::BrowserThread; 93using content::RenderViewHost; 94using content::ResourceDispatcherHostLoginDelegate; 95using content::ResourceRequestInfo; 96using extensions::Extension; 97using extensions::StreamsPrivateAPI; 98 99#if defined(OS_ANDROID) 100using navigation_interception::InterceptNavigationDelegate; 101#endif 102 103namespace { 104 105ExternalProtocolHandler::Delegate* g_external_protocol_handler_delegate = NULL; 106 107void NotifyDownloadInitiatedOnUI(int render_process_id, int render_view_id) { 108 RenderViewHost* rvh = RenderViewHost::FromID(render_process_id, 109 render_view_id); 110 if (!rvh) 111 return; 112 113 content::NotificationService::current()->Notify( 114 chrome::NOTIFICATION_DOWNLOAD_INITIATED, 115 content::Source<RenderViewHost>(rvh), 116 content::NotificationService::NoDetails()); 117} 118 119prerender::PrerenderManager* GetPrerenderManager(int render_process_id, 120 int render_view_id) { 121 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); 122 123 content::WebContents* web_contents = 124 tab_util::GetWebContentsByID(render_process_id, render_view_id); 125 if (!web_contents) 126 return NULL; 127 128 content::BrowserContext* browser_context = web_contents->GetBrowserContext(); 129 if (!browser_context) 130 return NULL; 131 132 Profile* profile = Profile::FromBrowserContext(browser_context); 133 if (!profile) 134 return NULL; 135 136 return prerender::PrerenderManagerFactory::GetForProfile(profile); 137} 138 139void UpdatePrerenderNetworkBytesCallback(int render_process_id, 140 int render_view_id, 141 int64 bytes) { 142 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); 143 144 content::WebContents* web_contents = 145 tab_util::GetWebContentsByID(render_process_id, render_view_id); 146 // PrerenderContents::FromWebContents handles the NULL case. 147 prerender::PrerenderContents* prerender_contents = 148 prerender::PrerenderContents::FromWebContents(web_contents); 149 150 if (prerender_contents) 151 prerender_contents->AddNetworkBytes(bytes); 152 153 prerender::PrerenderManager* prerender_manager = 154 GetPrerenderManager(render_process_id, render_view_id); 155 if (prerender_manager) 156 prerender_manager->AddProfileNetworkBytesIfEnabled(bytes); 157} 158 159#if !defined(OS_ANDROID) 160void SendExecuteMimeTypeHandlerEvent(scoped_ptr<content::StreamHandle> stream, 161 int64 expected_content_size, 162 int render_process_id, 163 int render_view_id, 164 const std::string& extension_id, 165 const std::string& view_id) { 166 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); 167 168 content::WebContents* web_contents = 169 tab_util::GetWebContentsByID(render_process_id, render_view_id); 170 if (!web_contents) 171 return; 172 173 // If the request was for a prerender, abort the prerender and do not 174 // continue. 175 prerender::PrerenderContents* prerender_contents = 176 prerender::PrerenderContents::FromWebContents(web_contents); 177 if (prerender_contents) { 178 prerender_contents->Destroy(prerender::FINAL_STATUS_DOWNLOAD); 179 return; 180 } 181 182 Profile* profile = 183 Profile::FromBrowserContext(web_contents->GetBrowserContext()); 184 185 StreamsPrivateAPI* streams_private = StreamsPrivateAPI::Get(profile); 186 if (!streams_private) 187 return; 188 streams_private->ExecuteMimeTypeHandler( 189 extension_id, web_contents, stream.Pass(), view_id, 190 expected_content_size); 191} 192 193void LaunchURL(const GURL& url, int render_process_id, int render_view_id, 194 bool user_gesture) { 195 // If there is no longer a WebContents, the request may have raced with tab 196 // closing. Don't fire the external request. (It may have been a prerender.) 197 content::WebContents* web_contents = 198 tab_util::GetWebContentsByID(render_process_id, render_view_id); 199 if (!web_contents) 200 return; 201 202 // Do not launch external requests attached to unswapped prerenders. 203 prerender::PrerenderContents* prerender_contents = 204 prerender::PrerenderContents::FromWebContents(web_contents); 205 if (prerender_contents) { 206 prerender_contents->Destroy(prerender::FINAL_STATUS_UNSUPPORTED_SCHEME); 207 prerender::ReportPrerenderExternalURL(); 208 return; 209 } 210 211 ExternalProtocolHandler::LaunchUrlWithDelegate( 212 url, render_process_id, render_view_id, 213 g_external_protocol_handler_delegate, 214 user_gesture); 215} 216#endif // !defined(OS_ANDROID) 217 218void AppendComponentUpdaterThrottles( 219 net::URLRequest* request, 220 content::ResourceContext* resource_context, 221 ResourceType::Type resource_type, 222 ScopedVector<content::ResourceThrottle>* throttles) { 223 const char* crx_id = NULL; 224 component_updater::ComponentUpdateService* cus = 225 g_browser_process->component_updater(); 226 if (!cus) 227 return; 228 // Check for PNaCl pexe request. 229 if (resource_type == ResourceType::OBJECT) { 230 const net::HttpRequestHeaders& headers = request->extra_request_headers(); 231 std::string accept_headers; 232 if (headers.GetHeader("Accept", &accept_headers)) { 233 if (accept_headers.find("application/x-pnacl") != std::string::npos && 234 pnacl::NeedsOnDemandUpdate()) 235 crx_id = "hnimpnehoodheedghdeeijklkeaacbdc"; 236 } 237 } 238 239 if (crx_id) { 240 // We got a component we need to install, so throttle the resource 241 // until the component is installed. 242 throttles->push_back( 243 cus->GetOnDemandUpdater().GetOnDemandResourceThrottle(request, crx_id)); 244 } 245} 246 247} // end namespace 248 249ChromeResourceDispatcherHostDelegate::ChromeResourceDispatcherHostDelegate( 250 prerender::PrerenderTracker* prerender_tracker) 251 : download_request_limiter_(g_browser_process->download_request_limiter()), 252 safe_browsing_(g_browser_process->safe_browsing_service()), 253 user_script_listener_(new extensions::UserScriptListener()), 254 prerender_tracker_(prerender_tracker) { 255} 256 257ChromeResourceDispatcherHostDelegate::~ChromeResourceDispatcherHostDelegate() { 258 CHECK(stream_target_info_.empty()); 259} 260 261bool ChromeResourceDispatcherHostDelegate::ShouldBeginRequest( 262 int child_id, 263 int route_id, 264 const std::string& method, 265 const GURL& url, 266 ResourceType::Type resource_type, 267 content::ResourceContext* resource_context) { 268 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 269 270 // Handle a PREFETCH resource type. If prefetch is disabled, squelch the 271 // request. Otherwise, do a normal request to warm the cache. 272 if (resource_type == ResourceType::PREFETCH) { 273 // All PREFETCH requests should be GETs, but be defensive about it. 274 if (method != "GET") 275 return false; 276 277 // If prefetch is disabled, kill the request. 278 if (!prefetch::IsPrefetchEnabled(resource_context)) 279 return false; 280 } 281 282 return true; 283} 284 285void ChromeResourceDispatcherHostDelegate::RequestBeginning( 286 net::URLRequest* request, 287 content::ResourceContext* resource_context, 288 appcache::AppCacheService* appcache_service, 289 ResourceType::Type resource_type, 290 int child_id, 291 int route_id, 292 ScopedVector<content::ResourceThrottle>* throttles) { 293 const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); 294 bool is_prerendering = 295 info->GetVisibilityState() == blink::WebPageVisibilityStatePrerender; 296 if (is_prerendering) { 297 // Requests with the IGNORE_LIMITS flag set (i.e., sync XHRs) 298 // should remain at MAXIMUM_PRIORITY. 299 if (request->load_flags() & net::LOAD_IGNORE_LIMITS) { 300 DCHECK_EQ(request->priority(), net::MAXIMUM_PRIORITY); 301 } else { 302 request->SetPriority(net::IDLE); 303 } 304 } 305 306 ProfileIOData* io_data = ProfileIOData::FromResourceContext( 307 resource_context); 308 309#if defined(OS_ANDROID) 310 // TODO(davidben): This is insufficient to integrate with prerender properly. 311 // https://crbug.com/370595 312 if (resource_type == ResourceType::MAIN_FRAME && !is_prerendering) { 313 throttles->push_back( 314 InterceptNavigationDelegate::CreateThrottleFor(request)); 315 } 316#else 317 if (resource_type == ResourceType::MAIN_FRAME) { 318 // Redirect some navigations to apps that have registered matching URL 319 // handlers ('url_handlers' in the manifest). 320 content::ResourceThrottle* url_to_app_throttle = 321 AppUrlRedirector::MaybeCreateThrottleFor(request, io_data); 322 if (url_to_app_throttle) 323 throttles->push_back(url_to_app_throttle); 324 325 if (!is_prerendering) { 326 // Experimental: Launch ephemeral apps from search results. 327 content::ResourceThrottle* ephemeral_app_throttle = 328 EphemeralAppThrottle::MaybeCreateThrottleForLaunch( 329 request, io_data); 330 if (ephemeral_app_throttle) 331 throttles->push_back(ephemeral_app_throttle); 332 } 333 } 334#endif 335 336#if defined(OS_CHROMEOS) 337 // Check if we need to add offline throttle. This should be done only 338 // for main frames. 339 if (resource_type == ResourceType::MAIN_FRAME) { 340 // We check offline first, then check safe browsing so that we still can 341 // block unsafe site after we remove offline page. 342 throttles->push_back(new OfflineResourceThrottle(request, 343 appcache_service)); 344 } 345 346 // Check if we need to add merge session throttle. This throttle will postpone 347 // loading of main frames and XHR request. 348 if (resource_type == ResourceType::MAIN_FRAME || 349 resource_type == ResourceType::XHR) { 350 // Add interstitial page while merge session process (cookie 351 // reconstruction from OAuth2 refresh token in ChromeOS login) is still in 352 // progress while we are attempting to load a google property. 353 if (!MergeSessionThrottle::AreAllSessionMergedAlready() && 354 request->url().SchemeIsHTTPOrHTTPS()) { 355 throttles->push_back(new MergeSessionThrottle(request, resource_type)); 356 } 357 } 358#endif 359 360 // Don't attempt to append headers to requests that have already started. 361 // TODO(stevet): Remove this once the request ordering issues are resolved 362 // in crbug.com/128048. 363 if (!request->is_pending()) { 364 net::HttpRequestHeaders headers; 365 headers.CopyFrom(request->extra_request_headers()); 366 bool is_off_the_record = io_data->IsOffTheRecord(); 367 chrome_variations::VariationsHttpHeaderProvider::GetInstance()-> 368 AppendHeaders(request->url(), 369 is_off_the_record, 370 !is_off_the_record && 371 io_data->GetMetricsEnabledStateOnIOThread(), 372 &headers); 373 request->SetExtraRequestHeaders(headers); 374 } 375 376#if defined(ENABLE_ONE_CLICK_SIGNIN) 377 AppendChromeSyncGaiaHeader(request, resource_context); 378#endif 379 380#if defined(ENABLE_CONFIGURATION_POLICY) 381 if (io_data->policy_header_helper()) 382 io_data->policy_header_helper()->AddPolicyHeaders(request->url(), request); 383#endif 384 385 signin::AppendMirrorRequestHeaderIfPossible( 386 request, GURL() /* redirect_url */, 387 io_data, info->GetChildID(), info->GetRouteID()); 388 389 AppendStandardResourceThrottles(request, 390 resource_context, 391 resource_type, 392 throttles); 393 if (!is_prerendering) { 394 AppendComponentUpdaterThrottles(request, 395 resource_context, 396 resource_type, 397 throttles); 398 } 399} 400 401void ChromeResourceDispatcherHostDelegate::DownloadStarting( 402 net::URLRequest* request, 403 content::ResourceContext* resource_context, 404 int child_id, 405 int route_id, 406 int request_id, 407 bool is_content_initiated, 408 bool must_download, 409 ScopedVector<content::ResourceThrottle>* throttles) { 410 BrowserThread::PostTask( 411 BrowserThread::UI, FROM_HERE, 412 base::Bind(&NotifyDownloadInitiatedOnUI, child_id, route_id)); 413 414 // If it's from the web, we don't trust it, so we push the throttle on. 415 if (is_content_initiated) { 416 throttles->push_back( 417 new DownloadResourceThrottle(download_request_limiter_.get(), 418 child_id, 419 route_id, 420 request->url(), 421 request->method())); 422#if defined(OS_ANDROID) 423 throttles->push_back( 424 new chrome::InterceptDownloadResourceThrottle( 425 request, child_id, route_id, request_id)); 426#endif 427 } 428 429 // If this isn't a new request, we've seen this before and added the standard 430 // resource throttles already so no need to add it again. 431 if (!request->is_pending()) { 432 AppendStandardResourceThrottles(request, 433 resource_context, 434 ResourceType::MAIN_FRAME, 435 throttles); 436 } 437} 438 439ResourceDispatcherHostLoginDelegate* 440 ChromeResourceDispatcherHostDelegate::CreateLoginDelegate( 441 net::AuthChallengeInfo* auth_info, net::URLRequest* request) { 442 return CreateLoginPrompt(auth_info, request); 443} 444 445bool ChromeResourceDispatcherHostDelegate::HandleExternalProtocol( 446 const GURL& url, 447 int child_id, 448 int route_id, 449 bool initiated_by_user_gesture) { 450#if defined(OS_ANDROID) 451 // Android use a resource throttle to handle external as well as internal 452 // protocols. 453 return false; 454#else 455 456 ExtensionRendererState::WebViewInfo info; 457 if (ExtensionRendererState::GetInstance()->GetWebViewInfo(child_id, 458 route_id, 459 &info)) { 460 return false; 461 } 462 463 BrowserThread::PostTask( 464 BrowserThread::UI, FROM_HERE, 465 base::Bind(&LaunchURL, url, child_id, route_id, 466 initiated_by_user_gesture)); 467 return true; 468#endif 469} 470 471void ChromeResourceDispatcherHostDelegate::AppendStandardResourceThrottles( 472 net::URLRequest* request, 473 content::ResourceContext* resource_context, 474 ResourceType::Type resource_type, 475 ScopedVector<content::ResourceThrottle>* throttles) { 476 ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context); 477#if defined(FULL_SAFE_BROWSING) || defined(MOBILE_SAFE_BROWSING) 478 // Insert safe browsing at the front of the list, so it gets to decide on 479 // policies first. 480 if (io_data->safe_browsing_enabled()->GetValue() 481#if defined(OS_ANDROID) 482 || io_data->data_reduction_proxy_enabled()->GetValue() 483#endif 484 ) { 485 bool is_subresource_request = resource_type != ResourceType::MAIN_FRAME; 486 content::ResourceThrottle* throttle = 487 SafeBrowsingResourceThrottleFactory::Create(request, 488 resource_context, 489 is_subresource_request, 490 safe_browsing_.get()); 491 if (throttle) 492 throttles->push_back(throttle); 493 } 494#endif 495 496#if defined(ENABLE_MANAGED_USERS) 497 bool is_subresource_request = resource_type != ResourceType::MAIN_FRAME; 498 throttles->push_back(new SupervisedUserResourceThrottle( 499 request, !is_subresource_request, 500 io_data->supervised_user_url_filter())); 501#endif 502 503 content::ResourceThrottle* throttle = 504 user_script_listener_->CreateResourceThrottle(request->url(), 505 resource_type); 506 if (throttle) 507 throttles->push_back(throttle); 508 509 const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); 510 if (info->GetVisibilityState() == blink::WebPageVisibilityStatePrerender) { 511 throttles->push_back(new prerender::PrerenderResourceThrottle(request)); 512 } 513 if (prerender_tracker_->IsPendingSwapRequestOnIOThread( 514 info->GetChildID(), info->GetRenderFrameID(), request->url())) { 515 throttles->push_back(new prerender::PrerenderPendingSwapThrottle( 516 request, prerender_tracker_)); 517 } 518} 519 520#if defined(ENABLE_ONE_CLICK_SIGNIN) 521void ChromeResourceDispatcherHostDelegate::AppendChromeSyncGaiaHeader( 522 net::URLRequest* request, 523 content::ResourceContext* resource_context) { 524 static const char kAllowChromeSignIn[] = "Allow-Chrome-SignIn"; 525 526 ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context); 527 OneClickSigninHelper::Offer offer = 528 OneClickSigninHelper::CanOfferOnIOThread(request, io_data); 529 switch (offer) { 530 case OneClickSigninHelper::CAN_OFFER: 531 request->SetExtraRequestHeaderByName(kAllowChromeSignIn, "1", false); 532 break; 533 case OneClickSigninHelper::DONT_OFFER: 534 request->RemoveRequestHeaderByName(kAllowChromeSignIn); 535 break; 536 case OneClickSigninHelper::IGNORE_REQUEST: 537 break; 538 } 539} 540#endif 541 542bool ChromeResourceDispatcherHostDelegate::ShouldForceDownloadResource( 543 const GURL& url, const std::string& mime_type) { 544 // Special-case user scripts to get downloaded instead of viewed. 545 return extensions::UserScript::IsURLUserScript(url, mime_type); 546} 547 548bool ChromeResourceDispatcherHostDelegate::ShouldInterceptResourceAsStream( 549 net::URLRequest* request, 550 const std::string& mime_type, 551 GURL* origin, 552 std::string* payload) { 553#if !defined(OS_ANDROID) 554 const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); 555 ProfileIOData* io_data = 556 ProfileIOData::FromResourceContext(info->GetContext()); 557 bool profile_is_off_the_record = io_data->IsOffTheRecord(); 558 const scoped_refptr<const extensions::InfoMap> extension_info_map( 559 io_data->GetExtensionInfoMap()); 560 std::vector<std::string> whitelist = MimeTypesHandler::GetMIMETypeWhitelist(); 561 // Go through the white-listed extensions and try to use them to intercept 562 // the URL request. 563 for (size_t i = 0; i < whitelist.size(); ++i) { 564 const char* extension_id = whitelist[i].c_str(); 565 const Extension* extension = 566 extension_info_map->extensions().GetByID(extension_id); 567 // The white-listed extension may not be installed, so we have to NULL check 568 // |extension|. 569 if (!extension || 570 (profile_is_off_the_record && 571 !extension_info_map->IsIncognitoEnabled(extension_id))) { 572 continue; 573 } 574 575 MimeTypesHandler* handler = MimeTypesHandler::GetHandler(extension); 576 if (handler && handler->CanHandleMIMEType(mime_type)) { 577 StreamTargetInfo target_info; 578 *origin = Extension::GetBaseURLFromExtensionId(extension_id); 579 target_info.extension_id = extension_id; 580 if (!handler->handler_url().empty()) { 581 target_info.view_id = base::GenerateGUID(); 582 *payload = origin->spec() + handler->handler_url() + 583 "?id=" + target_info.view_id; 584 } 585 stream_target_info_[request] = target_info; 586 return true; 587 } 588 } 589#endif 590 return false; 591} 592 593void ChromeResourceDispatcherHostDelegate::OnStreamCreated( 594 net::URLRequest* request, 595 scoped_ptr<content::StreamHandle> stream) { 596#if !defined(OS_ANDROID) 597 const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); 598 std::map<net::URLRequest*, StreamTargetInfo>::iterator ix = 599 stream_target_info_.find(request); 600 CHECK(ix != stream_target_info_.end()); 601 content::BrowserThread::PostTask( 602 content::BrowserThread::UI, FROM_HERE, 603 base::Bind(&SendExecuteMimeTypeHandlerEvent, base::Passed(&stream), 604 request->GetExpectedContentSize(), 605 info->GetChildID(), info->GetRouteID(), 606 ix->second.extension_id, ix->second.view_id)); 607 stream_target_info_.erase(request); 608#endif 609} 610 611void ChromeResourceDispatcherHostDelegate::OnResponseStarted( 612 net::URLRequest* request, 613 content::ResourceContext* resource_context, 614 content::ResourceResponse* response, 615 IPC::Sender* sender) { 616 const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); 617 618#if defined(OS_ANDROID) 619 // See if the response contains the X-Auto-Login header. If so, this was 620 // a request for a login page, and the server is allowing the browser to 621 // suggest auto-login, if available. 622 AutoLoginPrompter::ShowInfoBarIfPossible(request, info->GetChildID(), 623 info->GetRouteID()); 624#endif 625 626 ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context); 627 628#if defined(ENABLE_ONE_CLICK_SIGNIN) 629 // See if the response contains the Google-Accounts-SignIn header. If so, 630 // then the user has just finished signing in, and the server is allowing the 631 // browser to suggest connecting the user's profile to the account. 632 OneClickSigninHelper::ShowInfoBarIfPossible(request, io_data, 633 info->GetChildID(), 634 info->GetRouteID()); 635#endif 636 637 // See if the response contains the X-Chrome-Manage-Accounts header. If so 638 // show the profile avatar bubble so that user can complete signin/out action 639 // the native UI. 640 signin::ProcessMirrorResponseHeaderIfExists(request, io_data, 641 info->GetChildID(), 642 info->GetRouteID()); 643 644 // Build in additional protection for the chrome web store origin. 645 GURL webstore_url(extension_urls::GetWebstoreLaunchURL()); 646 if (request->url().DomainIs(webstore_url.host().c_str())) { 647 net::HttpResponseHeaders* response_headers = request->response_headers(); 648 if (!response_headers->HasHeaderValue("x-frame-options", "deny") && 649 !response_headers->HasHeaderValue("x-frame-options", "sameorigin")) { 650 response_headers->RemoveHeader("x-frame-options"); 651 response_headers->AddHeader("x-frame-options: sameorigin"); 652 } 653 } 654 655 // Ignores x-frame-options for the chrome signin UI. 656 const std::string request_spec( 657 request->first_party_for_cookies().GetOrigin().spec()); 658#if defined(OS_CHROMEOS) 659 if (request_spec == chrome::kChromeUIOobeURL || 660 request_spec == chrome::kChromeUIChromeSigninURL) { 661#else 662 if (request_spec == chrome::kChromeUIChromeSigninURL) { 663#endif 664 net::HttpResponseHeaders* response_headers = request->response_headers(); 665 if (response_headers && response_headers->HasHeader("x-frame-options")) 666 response_headers->RemoveHeader("x-frame-options"); 667 } 668 669 prerender::URLRequestResponseStarted(request); 670} 671 672void ChromeResourceDispatcherHostDelegate::OnRequestRedirected( 673 const GURL& redirect_url, 674 net::URLRequest* request, 675 content::ResourceContext* resource_context, 676 content::ResourceResponse* response) { 677 ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context); 678 const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); 679 680#if defined(ENABLE_ONE_CLICK_SIGNIN) 681 // See if the response contains the Google-Accounts-SignIn header. If so, 682 // then the user has just finished signing in, and the server is allowing the 683 // browser to suggest connecting the user's profile to the account. 684 OneClickSigninHelper::ShowInfoBarIfPossible(request, io_data, 685 info->GetChildID(), 686 info->GetRouteID()); 687 AppendChromeSyncGaiaHeader(request, resource_context); 688#endif 689 690 // In the Mirror world, Chrome should append a X-Chrome-Connected header to 691 // all Gaia requests from a connected profile so Gaia could return a 204 692 // response and let Chrome handle the action with native UI. The only 693 // exception is requests from gaia webview, since the native profile 694 // management UI is built on top of it. 695 signin::AppendMirrorRequestHeaderIfPossible(request, redirect_url, io_data, 696 info->GetChildID(), info->GetRouteID()); 697 698#if defined(ENABLE_CONFIGURATION_POLICY) 699 if (io_data->policy_header_helper()) 700 io_data->policy_header_helper()->AddPolicyHeaders(redirect_url, request); 701#endif 702} 703 704// Notification that a request has completed. 705void ChromeResourceDispatcherHostDelegate::RequestComplete( 706 net::URLRequest* url_request) { 707 // Jump on the UI thread and inform the prerender about the bytes. 708 const ResourceRequestInfo* info = 709 ResourceRequestInfo::ForRequest(url_request); 710 if (url_request && !url_request->was_cached()) { 711 BrowserThread::PostTask(BrowserThread::UI, 712 FROM_HERE, 713 base::Bind(&UpdatePrerenderNetworkBytesCallback, 714 info->GetChildID(), 715 info->GetRouteID(), 716 url_request->GetTotalReceivedBytes())); 717 } 718} 719 720// static 721void ChromeResourceDispatcherHostDelegate:: 722 SetExternalProtocolHandlerDelegateForTesting( 723 ExternalProtocolHandler::Delegate* delegate) { 724 g_external_protocol_handler_delegate = delegate; 725} 726