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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 #ifndef CHROME_BROWSER_SAFE_BROWSING_THREAT_DETAILS_CACHE_H_ | 5 #ifndef CHROME_BROWSER_SAFE_BROWSING_THREAT_DETAILS_CACHE_H_ |
6 #define CHROME_BROWSER_SAFE_BROWSING_THREAT_DETAILS_CACHE_H_ | 6 #define CHROME_BROWSER_SAFE_BROWSING_THREAT_DETAILS_CACHE_H_ |
7 | 7 |
8 // A class that gets threat details from the HTTP Cache. | 8 // A class that gets threat details from the HTTP Cache. |
9 // An instance of this class is generated by ThreatDetails. | 9 // An instance of this class is generated by ThreatDetails. |
10 | 10 |
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22 namespace net { | 22 namespace net { |
23 class URLFetcher; | 23 class URLFetcher; |
24 class URLRequestContext; | 24 class URLRequestContext; |
25 } | 25 } |
26 | 26 |
27 namespace safe_browsing { | 27 namespace safe_browsing { |
28 | 28 |
29 // Maps a URL to its Resource. | 29 // Maps a URL to its Resource. |
30 typedef base::hash_map< | 30 typedef base::hash_map< |
31 std::string, | 31 std::string, |
32 linked_ptr<safe_browsing::ClientSafeBrowsingReportRequest::Resource>> | 32 linked_ptr<ClientSafeBrowsingReportRequest::Resource>> |
33 ResourceMap; | 33 ResourceMap; |
34 } | |
35 | 34 |
36 class ThreatDetailsCacheCollector | 35 class ThreatDetailsCacheCollector |
37 : public base::RefCountedThreadSafe<ThreatDetailsCacheCollector>, | 36 : public base::RefCountedThreadSafe<ThreatDetailsCacheCollector>, |
38 public net::URLFetcherDelegate { | 37 public net::URLFetcherDelegate { |
39 public: | 38 public: |
40 ThreatDetailsCacheCollector(); | 39 ThreatDetailsCacheCollector(); |
41 | 40 |
42 // We use |request_context_getter|, we modify |resources| and | 41 // We use |request_context_getter|, we modify |resources| and |
43 // |result|, and we call |callback|, so they must all remain alive | 42 // |result|, and we call |callback|, so they must all remain alive |
44 // for the lifetime of this object. | 43 // for the lifetime of this object. |
45 void StartCacheCollection( | 44 void StartCacheCollection( |
46 net::URLRequestContextGetter* request_context_getter, | 45 net::URLRequestContextGetter* request_context_getter, |
47 safe_browsing::ResourceMap* resources, | 46 ResourceMap* resources, |
48 bool* result, | 47 bool* result, |
49 const base::Closure& callback); | 48 const base::Closure& callback); |
50 | 49 |
51 // Returns whether or not StartCacheCollection has been called. | 50 // Returns whether or not StartCacheCollection has been called. |
52 bool HasStarted(); | 51 bool HasStarted(); |
53 | 52 |
54 protected: | 53 protected: |
55 // Implementation of URLFetcher::Delegate. Called after the request | 54 // Implementation of URLFetcher::Delegate. Called after the request |
56 // completes (either successfully or with failure). | 55 // completes (either successfully or with failure). |
57 void OnURLFetchComplete(const net::URLFetcher* source) override; | 56 void OnURLFetchComplete(const net::URLFetcher* source) override; |
58 | 57 |
59 private: | 58 private: |
60 friend class base::RefCountedThreadSafe<ThreatDetailsCacheCollector>; | 59 friend class base::RefCountedThreadSafe<ThreatDetailsCacheCollector>; |
61 | 60 |
62 ~ThreatDetailsCacheCollector() override; | 61 ~ThreatDetailsCacheCollector() override; |
63 | 62 |
64 // Points to the url for which we are fetching the HTTP cache entry or | 63 // Points to the url for which we are fetching the HTTP cache entry or |
65 // redirect chain. | 64 // redirect chain. |
66 safe_browsing::ResourceMap::iterator resources_it_; | 65 ResourceMap::iterator resources_it_; |
67 | 66 |
68 // Points to the resources_ map in the ThreatDetails. | 67 // Points to the resources_ map in the ThreatDetails. |
69 safe_browsing::ResourceMap* resources_; | 68 ResourceMap* resources_; |
70 | 69 |
71 // Points to the cache_result_ in the ThreatDetails. | 70 // Points to the cache_result_ in the ThreatDetails. |
72 bool* result_; | 71 bool* result_; |
73 | 72 |
74 // Method we call when we are done. The caller must be alive for the | 73 // Method we call when we are done. The caller must be alive for the |
75 // whole time, we are modifying its state (see above). | 74 // whole time, we are modifying its state (see above). |
76 base::Closure callback_; | 75 base::Closure callback_; |
77 | 76 |
78 // Set to true as soon as StartCacheCollection is called. | 77 // Set to true as soon as StartCacheCollection is called. |
79 bool has_started_; | 78 bool has_started_; |
80 | 79 |
81 // Used to get a pointer to the current request context. | 80 // Used to get a pointer to the current request context. |
82 scoped_refptr<net::URLRequestContextGetter> request_context_getter_; | 81 scoped_refptr<net::URLRequestContextGetter> request_context_getter_; |
83 | 82 |
84 // The current URLFetcher. | 83 // The current URLFetcher. |
85 scoped_ptr<net::URLFetcher> current_fetch_; | 84 scoped_ptr<net::URLFetcher> current_fetch_; |
86 | 85 |
87 // Returns the resource from resources_ that corresponds to |url| | 86 // Returns the resource from resources_ that corresponds to |url| |
88 safe_browsing::ClientSafeBrowsingReportRequest::Resource* GetResource( | 87 ClientSafeBrowsingReportRequest::Resource* GetResource( |
89 const GURL& url); | 88 const GURL& url); |
90 | 89 |
91 // Creates a new URLFetcher and starts it. | 90 // Creates a new URLFetcher and starts it. |
92 void OpenEntry(); | 91 void OpenEntry(); |
93 | 92 |
94 // Read the HTTP response from |source| and add it to |pb_resource|. | 93 // Read the HTTP response from |source| and add it to |pb_resource|. |
95 void ReadResponse( | 94 void ReadResponse( |
96 safe_browsing::ClientSafeBrowsingReportRequest::Resource* pb_resource, | 95 ClientSafeBrowsingReportRequest::Resource* pb_resource, |
97 const net::URLFetcher* source); | 96 const net::URLFetcher* source); |
98 | 97 |
99 // Read the body |data| and add it to |pb_resource|. | 98 // Read the body |data| and add it to |pb_resource|. |
100 void ReadData( | 99 void ReadData( |
101 safe_browsing::ClientSafeBrowsingReportRequest::Resource* pb_resource, | 100 ClientSafeBrowsingReportRequest::Resource* pb_resource, |
102 const std::string& data); | 101 const std::string& data); |
103 | 102 |
104 // Called when we are done. | 103 // Called when we are done. |
105 void AllDone(bool success); | 104 void AllDone(bool success); |
106 | 105 |
107 // Advances to the next entry in resources_it_. | 106 // Advances to the next entry in resources_it_. |
108 void AdvanceEntry(); | 107 void AdvanceEntry(); |
109 }; | 108 }; |
110 | 109 |
| 110 } // namespace safe_browsing |
| 111 |
111 #endif // CHROME_BROWSER_SAFE_BROWSING_THREAT_DETAILS_CACHE_H_ | 112 #endif // CHROME_BROWSER_SAFE_BROWSING_THREAT_DETAILS_CACHE_H_ |
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