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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This is the browser side of the resource dispatcher, it receives requests | 5 // This is the browser side of the resource dispatcher, it receives requests |
6 // from the child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and | 6 // from the child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and |
7 // dispatches them to URLRequests. It then forwards the messages from the | 7 // dispatches them to URLRequests. It then forwards the messages from the |
8 // URLRequests back to the correct process for handling. | 8 // URLRequests back to the correct process for handling. |
9 // | 9 // |
10 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc e-loading | 10 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc e-loading |
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117 RenderFrameHost* root_frame_host); | 117 RenderFrameHost* root_frame_host); |
118 | 118 |
119 // Cancels any blocked request for the frame and its subframes. | 119 // Cancels any blocked request for the frame and its subframes. |
120 static void CancelBlockedRequestsForFrameFromUI( | 120 static void CancelBlockedRequestsForFrameFromUI( |
121 RenderFrameHostImpl* root_frame_host); | 121 RenderFrameHostImpl* root_frame_host); |
122 | 122 |
123 // ResourceDispatcherHost implementation: | 123 // ResourceDispatcherHost implementation: |
124 void SetDelegate(ResourceDispatcherHostDelegate* delegate) override; | 124 void SetDelegate(ResourceDispatcherHostDelegate* delegate) override; |
125 void SetAllowCrossOriginAuthPrompt(bool value) override; | 125 void SetAllowCrossOriginAuthPrompt(bool value) override; |
126 void ClearLoginDelegateForRequest(net::URLRequest* request) override; | 126 void ClearLoginDelegateForRequest(net::URLRequest* request) override; |
127 | 127 void AddSchemeForAccessCheck(const std::string& scheme) override; |
128 void AddOriginAccessInformation(const ResourceContext* context, | |
129 const std::string& origin) override; | |
130 void RemoveOriginAccessInformation(const ResourceContext* context, | |
131 const std::string& origin) override; | |
132 void AddOwnerForOrigin(const ResourceContext* context, | |
133 const std::string& origin, | |
134 int owner_process_id) override; | |
135 void RemoveOwnerForOrigin(const ResourceContext* context, | |
136 const std::string& origin, | |
137 int owner_process_id) override; | |
138 void AddGuestForOrigin(const ResourceContext* context, | |
139 const std::string& origin, | |
140 int guest_process_id) override; | |
141 void RemoveGuestForOrigin(const ResourceContext* context, | |
142 const std::string& origin, | |
143 int guest_process_id) override; | |
128 // Puts the resource dispatcher host in an inactive state (unable to begin | 144 // Puts the resource dispatcher host in an inactive state (unable to begin |
129 // new requests). Cancels all pending requests. | 145 // new requests). Cancels all pending requests. |
130 void Shutdown(); | 146 void Shutdown(); |
131 | 147 |
132 // Force cancels any pending requests for the given |context|. This is | 148 // Force cancels any pending requests for the given |context|. This is |
133 // necessary to ensure that before |context| goes away, all requests | 149 // necessary to ensure that before |context| goes away, all requests |
134 // for it are dead. | 150 // for it are dead. |
135 void CancelRequestsForContext(ResourceContext* context); | 151 void CancelRequestsForContext(ResourceContext* context); |
136 | 152 |
137 // Returns true if the message was a resource message that was processed. | 153 // Returns true if the message was a resource message that was processed. |
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300 NavigationURLLoaderImplCore* loader); | 316 NavigationURLLoaderImplCore* loader); |
301 | 317 |
302 // Turns on stale-while-revalidate support, regardless of command-line flags | 318 // Turns on stale-while-revalidate support, regardless of command-line flags |
303 // or experiment status. For unit tests only. | 319 // or experiment status. For unit tests only. |
304 void EnableStaleWhileRevalidateForTesting(); | 320 void EnableStaleWhileRevalidateForTesting(); |
305 | 321 |
306 // Sets the LoaderDelegate, which must outlive this object. Ownership is not | 322 // Sets the LoaderDelegate, which must outlive this object. Ownership is not |
307 // transferred. The LoaderDelegate should be interacted with on the IO thread. | 323 // transferred. The LoaderDelegate should be interacted with on the IO thread. |
308 void SetLoaderDelegate(LoaderDelegate* loader_delegate); | 324 void SetLoaderDelegate(LoaderDelegate* loader_delegate); |
309 | 325 |
326 // Checks whether the child process identified by |child_process_id| is | |
327 // allowed to access the |origin| and returns true if not. | |
328 bool IsIllegalOrigin(ResourceContext* context, | |
329 const GURL& origin, | |
330 int child_process_id); | |
331 | |
310 private: | 332 private: |
311 friend class LoaderIOThreadNotifier; | 333 friend class LoaderIOThreadNotifier; |
312 friend class ResourceDispatcherHostTest; | 334 friend class ResourceDispatcherHostTest; |
313 | 335 |
314 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, | 336 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, |
315 TestBlockedRequestsProcessDies); | 337 TestBlockedRequestsProcessDies); |
316 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, | 338 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, |
317 CalculateApproximateMemoryCost); | 339 CalculateApproximateMemoryCost); |
318 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, | 340 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, |
319 DetachableResourceTimesOut); | 341 DetachableResourceTimesOut); |
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334 struct LoadInfo { | 356 struct LoadInfo { |
335 GURL url; | 357 GURL url; |
336 net::LoadStateWithParam load_state; | 358 net::LoadStateWithParam load_state; |
337 uint64_t upload_position; | 359 uint64_t upload_position; |
338 uint64_t upload_size; | 360 uint64_t upload_size; |
339 }; | 361 }; |
340 | 362 |
341 // Map from ProcessID+RouteID pair to the "most interesting" LoadState. | 363 // Map from ProcessID+RouteID pair to the "most interesting" LoadState. |
342 typedef std::map<GlobalRoutingID, LoadInfo> LoadInfoMap; | 364 typedef std::map<GlobalRoutingID, LoadInfo> LoadInfoMap; |
343 | 365 |
366 // Information about an origin. This includes whether it has accessible | |
367 // resources, which processes own it, which are its guests, etc. | |
jam
2016/08/01 20:06:01
nit: this comment discusses chrome apps concepts,
ananta
2016/08/02 00:40:49
Done.
| |
368 struct OriginAccessInfo { | |
369 // This structure is complicated enough for clang to require the ctors to | |
370 // be explicitly defined in the cc file. | |
371 OriginAccessInfo(); | |
372 ~OriginAccessInfo(); | |
373 OriginAccessInfo(const OriginAccessInfo& other); | |
374 | |
375 std::set<int> origin_owner_processes; | |
376 std::set<int> origin_guest_processes; | |
377 }; | |
378 | |
379 // Map from the origin host (std::string) to its information | |
380 // (OriginAccessInfo). | |
381 // This map is per ResourceContext. | |
382 typedef std::map<std::string, OriginAccessInfo> OriginAccessInfoMap; | |
383 | |
384 typedef std::map<const ResourceContext*, OriginAccessInfoMap*> | |
jam
2016/08/01 20:06:01
unique_ptr?
ananta
2016/08/02 00:40:50
Done.
| |
385 ResourceContextOriginMap; | |
386 | |
344 // ResourceLoaderDelegate implementation: | 387 // ResourceLoaderDelegate implementation: |
345 ResourceDispatcherHostLoginDelegate* CreateLoginDelegate( | 388 ResourceDispatcherHostLoginDelegate* CreateLoginDelegate( |
346 ResourceLoader* loader, | 389 ResourceLoader* loader, |
347 net::AuthChallengeInfo* auth_info) override; | 390 net::AuthChallengeInfo* auth_info) override; |
348 bool HandleExternalProtocol(ResourceLoader* loader, const GURL& url) override; | 391 bool HandleExternalProtocol(ResourceLoader* loader, const GURL& url) override; |
349 void DidStartRequest(ResourceLoader* loader) override; | 392 void DidStartRequest(ResourceLoader* loader) override; |
350 void DidReceiveRedirect(ResourceLoader* loader, const GURL& new_url) override; | 393 void DidReceiveRedirect(ResourceLoader* loader, const GURL& new_url) override; |
351 void DidReceiveResponse(ResourceLoader* loader) override; | 394 void DidReceiveResponse(ResourceLoader* loader) override; |
352 void DidFinishLoading(ResourceLoader* loader) override; | 395 void DidFinishLoading(ResourceLoader* loader) override; |
353 std::unique_ptr<net::ClientCertStore> CreateClientCertStore( | 396 std::unique_ptr<net::ClientCertStore> CreateClientCertStore( |
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547 // The certificate on a ResourceResponse is associated with a | 590 // The certificate on a ResourceResponse is associated with a |
548 // particular renderer process. As a transfer to a new process | 591 // particular renderer process. As a transfer to a new process |
549 // completes, the stored certificate has to be updated to reflect the | 592 // completes, the stored certificate has to be updated to reflect the |
550 // new renderer process. | 593 // new renderer process. |
551 void UpdateResponseCertificateForTransfer(ResourceResponse* response, | 594 void UpdateResponseCertificateForTransfer(ResourceResponse* response, |
552 const net::SSLInfo& ssl_info, | 595 const net::SSLInfo& ssl_info, |
553 int child_id); | 596 int child_id); |
554 | 597 |
555 CertStore* GetCertStore(); | 598 CertStore* GetCertStore(); |
556 | 599 |
600 // Returns the OriginAccessInfoMap instance for the |context| passed in. This | |
601 // map is used to enforce access checks on web requests for some origins. | |
602 OriginAccessInfoMap* GetOriginAccessMapForResourceContext( | |
603 const ResourceContext* context); | |
604 | |
557 LoaderMap pending_loaders_; | 605 LoaderMap pending_loaders_; |
558 | 606 |
559 // Collection of temp files downloaded for child processes via | 607 // Collection of temp files downloaded for child processes via |
560 // the download_to_file mechanism. We avoid deleting them until | 608 // the download_to_file mechanism. We avoid deleting them until |
561 // the client no longer needs them. | 609 // the client no longer needs them. |
562 typedef std::map<int, scoped_refptr<storage::ShareableFileReference> > | 610 typedef std::map<int, scoped_refptr<storage::ShareableFileReference> > |
563 DeletableFilesMap; // key is request id | 611 DeletableFilesMap; // key is request id |
564 typedef std::map<int, DeletableFilesMap> | 612 typedef std::map<int, DeletableFilesMap> |
565 RegisteredTempFiles; // key is child process id | 613 RegisteredTempFiles; // key is child process id |
566 RegisteredTempFiles registered_temp_files_; | 614 RegisteredTempFiles registered_temp_files_; |
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641 typedef std::map<GlobalRequestID, | 689 typedef std::map<GlobalRequestID, |
642 base::ObserverList<ResourceMessageDelegate>*> DelegateMap; | 690 base::ObserverList<ResourceMessageDelegate>*> DelegateMap; |
643 DelegateMap delegate_map_; | 691 DelegateMap delegate_map_; |
644 | 692 |
645 std::unique_ptr<ResourceScheduler> scheduler_; | 693 std::unique_ptr<ResourceScheduler> scheduler_; |
646 | 694 |
647 // Allows tests to use a mock CertStore. If set, the CertStore must | 695 // Allows tests to use a mock CertStore. If set, the CertStore must |
648 // outlive this ResourceDispatcherHostImpl. | 696 // outlive this ResourceDispatcherHostImpl. |
649 CertStore* cert_store_for_testing_; | 697 CertStore* cert_store_for_testing_; |
650 | 698 |
699 // Used to check whether a request to retrieve an origin resource is allowed. | |
700 // This is only done for origins which are to be checked for access. | |
701 ResourceContextOriginMap context_origin_access_info_map_; | |
702 | |
703 // This contains the set of origins we need to enforce access checks on. By | |
704 // default everything is allowed. | |
705 std::set<std::string> origins_for_access_check_; | |
706 | |
651 DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl); | 707 DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl); |
652 }; | 708 }; |
653 | 709 |
654 } // namespace content | 710 } // namespace content |
655 | 711 |
656 #endif // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ | 712 #endif // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ |
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