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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
raymes
2017/01/11 00:00:37
2017
meredithl
2017/01/11 02:24:52
Done.
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2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_PERMISSIONS_PERMISSION_BLACKLIST_CLIENT_H_ | |
6 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_BLACKLIST_CLIENT_H_ | |
7 | |
8 #include <stddef.h> | |
raymes
2017/01/11 00:00:36
What's stddef needed for?
meredithl
2017/01/11 02:24:53
Nothing, was meant to be removed. Done.
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9 | |
10 #include "base/callback.h" | |
11 #include "base/memory/ref_counted.h" | |
12 #include "chrome/browser/permissions/permission_util.h" | |
13 #include "components/safe_browsing_db/database_manager.h" | |
14 #include "content/public/browser/permission_type.h" | |
15 #include "content/public/browser/web_contents_observer.h" | |
16 | |
17 class GURL; | |
18 | |
19 namespace content { | |
20 class WebContents; | |
21 } | |
22 | |
23 // The client used when checking whether a permission has been blacklisted by | |
24 // Safe Browsing. The check is done asynchronously as no state can be stored in | |
25 // PermissionContextBase (since additional permission requests may be made). | |
26 // This class must be created and destroyed on the UI thread. | |
27 class PermissionBlacklistClient | |
28 : public safe_browsing::SafeBrowsingDatabaseManager::Client, | |
29 public base::RefCountedThreadSafe<PermissionBlacklistClient>, | |
30 public content::WebContentsObserver { | |
31 public: | |
32 static void CheckSafeBrowsingBlacklist( | |
33 scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager> db_manager, | |
34 content::PermissionType permission_type, | |
35 const GURL& request_origin, | |
36 content::WebContents* web_contents, | |
37 int timeout, | |
38 base::Callback<void(bool)> callback); | |
39 | |
40 private: | |
41 friend class base::RefCountedThreadSafe<PermissionBlacklistClient>; | |
42 | |
43 PermissionBlacklistClient( | |
44 scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager> db_manager, | |
45 content::PermissionType permission_type, | |
46 const GURL& request_origin, | |
47 content::WebContents* web_contents, | |
48 int timeout, | |
49 base::Callback<void(bool)> callback); | |
50 | |
51 ~PermissionBlacklistClient() override; | |
52 | |
53 void StartCheck(const GURL& request_origin); | |
54 | |
55 // SafeBrowsingDatabaseManager::Client implementation. | |
56 void OnCheckApiBlacklistUrlResult( | |
57 const GURL& url, | |
58 const safe_browsing::ThreatMetadata& metadata) override; | |
59 | |
60 void EvaluateBlacklistResultOnUiThread(bool permission_blocked); | |
61 | |
62 // WebContentsObserver implementation. Sets a flag so that when the database | |
63 // manager returns with a result, it won't attempt to run the callback with a | |
64 // deleted WebContents. | |
65 void WebContentsDestroyed() override; | |
66 | |
67 scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager> db_manager_; | |
68 content::PermissionType permission_type_; | |
69 | |
70 // PermissionContextBase callback to run on the UI thread. | |
71 base::Callback<void(bool)> callback_; | |
72 | |
73 // Timer to abort the Safe Browsing check if it takes too long. Created and | |
74 // used on the IO Thread. | |
75 std::unique_ptr<base::OneShotTimer> timer_; | |
raymes
2017/01/11 00:00:36
nit: This should be forward declared
meredithl
2017/01/11 02:24:53
Done.
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76 int timeout_; | |
77 | |
78 // True if |callback_| should be invoked, if web_contents() is destroyed, this | |
79 // is set to false. | |
80 bool is_active_; | |
81 | |
82 DISALLOW_COPY_AND_ASSIGN(PermissionBlacklistClient); | |
83 }; | |
84 | |
85 #endif // CHROME_BROWSER_PERMISSIONS_PERMISSION_BLACKLIST_CLIENT_H_ | |
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