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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_EXTENSIONS_PERMISSIONS_UPDATER_H__ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__ |
6 #define CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__ | 6 #define CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/scoped_ptr.h" |
11 #include "extensions/browser/extension_event_histogram_value.h" | 11 #include "extensions/browser/extension_event_histogram_value.h" |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 class DictionaryValue; | 14 class DictionaryValue; |
15 } | 15 } |
16 | 16 |
17 namespace content { | 17 namespace content { |
18 class BrowserContext; | 18 class BrowserContext; |
19 } | 19 } |
20 | 20 |
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62 const PermissionSet* permissions, | 62 const PermissionSet* permissions, |
63 RemoveType remove_type); | 63 RemoveType remove_type); |
64 | 64 |
65 // Removes the |permissions| from |extension| and makes no effort to determine | 65 // Removes the |permissions| from |extension| and makes no effort to determine |
66 // if doing so is safe in the slightlest. This method shouldn't be used, | 66 // if doing so is safe in the slightlest. This method shouldn't be used, |
67 // except for removing permissions totally blacklisted by management. | 67 // except for removing permissions totally blacklisted by management. |
68 void RemovePermissionsUnsafe(const Extension* extension, | 68 void RemovePermissionsUnsafe(const Extension* extension, |
69 const PermissionSet* permissions); | 69 const PermissionSet* permissions); |
70 | 70 |
71 // Returns the set of revokable permissions. | 71 // Returns the set of revokable permissions. |
72 scoped_refptr<const PermissionSet> GetRevokablePermissions( | 72 scoped_ptr<const PermissionSet> GetRevokablePermissions( |
73 const Extension* extension) const; | 73 const Extension* extension) const; |
74 | 74 |
75 // Adds all permissions in the |extension|'s active permissions to its | 75 // Adds all permissions in the |extension|'s active permissions to its |
76 // granted permission set. | 76 // granted permission set. |
77 void GrantActivePermissions(const Extension* extension); | 77 void GrantActivePermissions(const Extension* extension); |
78 | 78 |
79 // Initializes the |extension|'s active permission set to include only | 79 // Initializes the |extension|'s active permission set to include only |
80 // permissions currently requested by the extension and all the permissions | 80 // permissions currently requested by the extension and all the permissions |
81 // required by the extension. | 81 // required by the extension. |
82 void InitializePermissions(const Extension* extension); | 82 void InitializePermissions(const Extension* extension); |
83 | 83 |
84 // Grants any withheld all-hosts (or all-hosts-like) permissions. | 84 // Grants any withheld all-hosts (or all-hosts-like) permissions. |
85 void GrantWithheldImpliedAllHosts(const Extension* extension); | 85 void GrantWithheldImpliedAllHosts(const Extension* extension); |
86 | 86 |
87 // Revokes any requests all-hosts (or all-hosts-like) permissions. | 87 // Revokes any requests all-hosts (or all-hosts-like) permissions. |
88 void WithholdImpliedAllHosts(const Extension* extension); | 88 void WithholdImpliedAllHosts(const Extension* extension); |
89 | 89 |
90 private: | 90 private: |
91 enum EventType { | 91 enum EventType { |
92 ADDED, | 92 ADDED, |
93 REMOVED, | 93 REMOVED, |
94 }; | 94 }; |
95 | 95 |
96 // Sets the |extension|'s active permissions to |active| and records the | 96 // Sets the |extension|'s active permissions to |active| and records the |
97 // change in the prefs. If |withheld| is non-null, also sets the extension's | 97 // change in the prefs. If |withheld| is non-null, also sets the extension's |
98 // withheld permissions to |withheld|. Otherwise, |withheld| permissions are | 98 // withheld permissions to |withheld|. Otherwise, |withheld| permissions are |
99 // not changed. | 99 // not changed. |
100 void SetPermissions(const Extension* extension, | 100 void SetPermissions(const Extension* extension, |
101 const scoped_refptr<const PermissionSet>& active, | 101 scoped_ptr<const PermissionSet> active, |
102 scoped_refptr<const PermissionSet> withheld); | 102 scoped_ptr<const PermissionSet> withheld); |
103 | 103 |
104 // Dispatches specified event to the extension. | 104 // Dispatches specified event to the extension. |
105 void DispatchEvent(const std::string& extension_id, | 105 void DispatchEvent(const std::string& extension_id, |
106 events::HistogramValue histogram_value, | 106 events::HistogramValue histogram_value, |
107 const char* event_name, | 107 const char* event_name, |
108 const PermissionSet* changed_permissions); | 108 const PermissionSet& changed_permissions); |
109 | 109 |
110 // Issues the relevant events, messages and notifications when the | 110 // Issues the relevant events, messages and notifications when the |
111 // |extension|'s permissions have |changed| (|changed| is the delta). | 111 // |extension|'s permissions have |changed| (|changed| is the delta). |
112 // Specifically, this sends the EXTENSION_PERMISSIONS_UPDATED notification, | 112 // Specifically, this sends the EXTENSION_PERMISSIONS_UPDATED notification, |
113 // the ExtensionMsg_UpdatePermissions IPC message, and fires the | 113 // the ExtensionMsg_UpdatePermissions IPC message, and fires the |
114 // onAdded/onRemoved events in the extension. | 114 // onAdded/onRemoved events in the extension. |
115 void NotifyPermissionsUpdated(EventType event_type, | 115 void NotifyPermissionsUpdated(EventType event_type, |
116 const Extension* extension, | 116 const Extension* extension, |
117 const PermissionSet* changed); | 117 const PermissionSet& changed); |
118 | 118 |
119 // The associated BrowserContext. | 119 // The associated BrowserContext. |
120 content::BrowserContext* browser_context_; | 120 content::BrowserContext* browser_context_; |
121 | 121 |
122 // Initialization flag that determines whether prefs is consulted about the | 122 // Initialization flag that determines whether prefs is consulted about the |
123 // extension. Transient extensions should not have entries in prefs. | 123 // extension. Transient extensions should not have entries in prefs. |
124 InitFlag init_flag_; | 124 InitFlag init_flag_; |
| 125 |
| 126 DISALLOW_COPY_AND_ASSIGN(PermissionsUpdater); |
125 }; | 127 }; |
126 | 128 |
127 } // namespace extensions | 129 } // namespace extensions |
128 | 130 |
129 #endif // CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__ | 131 #endif // CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__ |
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