Parse the whitelist expressions from the phishing verdict response if

chrome/browser/safe_browsing/client_side_detection_service.h

 // Copyright (c) 2011 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.
 //
 // Helper class which handles communication with the SafeBrowsing backends for
 // client-side phishing detection.  This class is used to fetch the client-side
 // model and send it to all renderers.  This class is also used to send a ping
 // back to Google to verify if a particular site is really phishing or not.
 //
 // This class is not thread-safe and expects all calls to be made on the UI
@@ skipping 32 matching lines @@
 class TimeDelta;
 }
 
 namespace net {
 class URLRequestContextGetter;
 class URLRequestStatus;
 }  // namespace net
 
 namespace safe_browsing {
 class ClientPhishingRequest;
+class ClientPhishingResponse;
 class ClientSideModel;
 
 class ClientSideDetectionService : public URLFetcher::Delegate,
                                    public NotificationObserver {
  public:
   typedef Callback2<GURL /* phishing URL */, bool /* is phishing */>::Type
       ClientReportPhishingRequestCallback;
 
   virtual ~ClientSideDetectionService();
 
@@ skipping 97 matching lines @@
   // validating the model.
   virtual void EndFetchModel(ClientModelStatus status);  // Virtual for testing.
 
  private:
   friend class ClientSideDetectionServiceTest;
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest, FetchModelTest);
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest, SetBadSubnets);
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest, SetEnabled);
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest, IsBadIpAddress);
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest,
+                           IsFalsePositiveResponse);
+  FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest,
                            ModelHasValidHashIds);
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest,
                            SanitizeRequestForPingback);
 
   // CacheState holds all information necessary to respond to a caller without
   // actually making a HTTP request.
   struct CacheState {
     bool is_phishing;
     base::Time timestamp;
 
@@ skipping 76 matching lines @@
   // |bad_subnets| for faster lookups.  This method is static to simplify
   // testing.
   static void SetBadSubnets(const ClientSideModel& model,
                             BadSubnetMap* bad_subnets);
 
 
   // Returns true iff all the hash id's in the client-side model point to
   // valid hashes in the model.
   static bool ModelHasValidHashIds(const ClientSideModel& model);
 
+  // Returns true iff the response is phishing (phishy() is true) and if the
+  // given URL matches one of the whitelisted expressions in the given
+  // ClientPhishingResponse.
+  static bool IsFalsePositiveResponse(const GURL& url,
+                                      const ClientPhishingResponse& response);
+
   // Whether the service is running or not.  When the service is not running,
   // it won't download the model nor report detected phishing URLs.
   bool enabled_;
 
   std::string model_str_;
   scoped_ptr<ClientSideModel> model_;
   scoped_ptr<base::TimeDelta> model_max_age_;
   scoped_ptr<URLFetcher> model_fetcher_;
 
   // This pointer may be NULL if SafeBrowsing is disabled.
@@ skipping 34 matching lines @@
   // this map to speed up lookups.
   BadSubnetMap bad_subnets_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSideDetectionService);
 };
 }  // namepsace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_CLIENT_SIDE_DETECTION_SERVICE_H_