| // Copyright 2017 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. |
| |
| #ifndef COMPONENTS_SAFE_BROWSING_RENDERER_RENDERER_URL_LOADER_THROTTLE_H_ |
| #define COMPONENTS_SAFE_BROWSING_RENDERER_RENDERER_URL_LOADER_THROTTLE_H_ |
| |
| #include <memory> |
| |
| #include "base/memory/weak_ptr.h" |
| #include "components/safe_browsing/common/safe_browsing.mojom.h" |
| #include "content/public/common/url_loader_throttle.h" |
| #include "mojo/public/cpp/bindings/binding_set.h" |
| #include "url/gurl.h" |
| |
| namespace safe_browsing { |
| |
| // RendererURLLoaderThrottle is used in renderer processes to query |
| // SafeBrowsing and determine whether a URL and its redirect URLs are safe to |
| // load. It defers response processing until all URL checks are completed; |
| // cancels the load if any URLs turn out to be bad. |
| class RendererURLLoaderThrottle : public content::URLLoaderThrottle, |
| public mojom::UrlCheckNotifier { |
| public: |
| // |safe_browsing| must stay alive until WillStartRequest() (if it is called) |
| // or the end of this object. |
| // |render_frame_id| is used for displaying SafeBrowsing UI when necessary. |
| RendererURLLoaderThrottle(mojom::SafeBrowsing* safe_browsing, |
| int render_frame_id); |
| ~RendererURLLoaderThrottle() override; |
| |
| private: |
| // content::URLLoaderThrottle implementation. |
| void DetachFromCurrentSequence() override; |
| void WillStartRequest(network::ResourceRequest* request, |
| bool* defer) override; |
| void WillRedirectRequest( |
| const net::RedirectInfo& redirect_info, |
| const network::ResourceResponseHead& response_head, |
| bool* defer, |
| std::vector<std::string>* to_be_removed_headers) override; |
| void WillProcessResponse(const GURL& response_url, |
| const network::ResourceResponseHead& response_head, |
| bool* defer) override; |
| |
| // mojom::UrlCheckNotifier implementation. |
| void OnCompleteCheck(bool proceed, bool showed_interstitial) override; |
| |
| void OnCheckUrlResult(mojom::UrlCheckNotifierRequest slow_check_notifier, |
| bool proceed, |
| bool showed_interstitial); |
| |
| // Called by the two methods above. |
| // |slow_check| indicates whether it reports the result of a slow check. |
| // (Please see comments in safe_browsing.mojom for what slow check means). |
| void OnCompleteCheckInternal(bool slow_check, |
| bool proceed, |
| bool showed_interstitial); |
| |
| void OnConnectionError(); |
| |
| mojom::SafeBrowsing* safe_browsing_; |
| const int render_frame_id_; |
| |
| // These fields hold the connection to this instance's private connection to |
| // the Safe Browsing service if DetachFromCurrentThread has been called. |
| mojom::SafeBrowsingPtrInfo safe_browsing_ptr_info_; |
| mojom::SafeBrowsingPtr safe_browsing_ptr_; |
| |
| mojom::SafeBrowsingUrlCheckerPtr url_checker_; |
| |
| size_t pending_checks_ = 0; |
| size_t pending_slow_checks_ = 0; |
| bool blocked_ = false; |
| |
| // The time when we started deferring the request. |
| base::TimeTicks defer_start_time_; |
| bool deferred_ = false; |
| |
| // The total delay caused by SafeBrowsing deferring the resource load. |
| base::TimeDelta total_delay_; |
| // Whether the interstitial page has been shown and therefore user action has |
| // been involved. |
| bool user_action_involved_ = false; |
| |
| std::unique_ptr<mojo::BindingSet<mojom::UrlCheckNotifier>> notifier_bindings_; |
| |
| GURL original_url_; |
| |
| base::WeakPtrFactory<RendererURLLoaderThrottle> weak_factory_; |
| }; |
| |
| } // namespace safe_browsing |
| |
| #endif // COMPONENTS_SAFE_BROWSING_RENDERER_RENDERER_URL_LOADER_THROTTLE_H_ |