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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 <memory> |
| 8 #include <string> | 9 #include <string> |
| 9 | 10 |
| 10 #include "base/macros.h" | 11 #include "base/macros.h" |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "extensions/browser/extension_event_histogram_value.h" | 12 #include "extensions/browser/extension_event_histogram_value.h" |
| 13 | 13 |
| 14 namespace base { | 14 namespace base { |
| 15 class DictionaryValue; | 15 class DictionaryValue; |
| 16 } | 16 } |
| 17 | 17 |
| 18 namespace content { | 18 namespace content { |
| 19 class BrowserContext; | 19 class BrowserContext; |
| 20 } | 20 } |
| 21 | 21 |
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| 63 const PermissionSet& permissions, | 63 const PermissionSet& permissions, |
| 64 RemoveType remove_type); | 64 RemoveType remove_type); |
| 65 | 65 |
| 66 // Removes the |permissions| from |extension| and makes no effort to determine | 66 // Removes the |permissions| from |extension| and makes no effort to determine |
| 67 // if doing so is safe in the slightlest. This method shouldn't be used, | 67 // if doing so is safe in the slightlest. This method shouldn't be used, |
| 68 // except for removing permissions totally blacklisted by management. | 68 // except for removing permissions totally blacklisted by management. |
| 69 void RemovePermissionsUnsafe(const Extension* extension, | 69 void RemovePermissionsUnsafe(const Extension* extension, |
| 70 const PermissionSet& permissions); | 70 const PermissionSet& permissions); |
| 71 | 71 |
| 72 // Returns the set of revokable permissions. | 72 // Returns the set of revokable permissions. |
| 73 scoped_ptr<const PermissionSet> GetRevokablePermissions( | 73 std::unique_ptr<const PermissionSet> GetRevokablePermissions( |
| 74 const Extension* extension) const; | 74 const Extension* extension) const; |
| 75 | 75 |
| 76 // Adds all permissions in the |extension|'s active permissions to its | 76 // Adds all permissions in the |extension|'s active permissions to its |
| 77 // granted permission set. | 77 // granted permission set. |
| 78 void GrantActivePermissions(const Extension* extension); | 78 void GrantActivePermissions(const Extension* extension); |
| 79 | 79 |
| 80 // Initializes the |extension|'s active permission set to include only | 80 // Initializes the |extension|'s active permission set to include only |
| 81 // permissions currently requested by the extension and all the permissions | 81 // permissions currently requested by the extension and all the permissions |
| 82 // required by the extension. | 82 // required by the extension. |
| 83 void InitializePermissions(const Extension* extension); | 83 void InitializePermissions(const Extension* extension); |
| 84 | 84 |
| 85 private: | 85 private: |
| 86 enum EventType { | 86 enum EventType { |
| 87 ADDED, | 87 ADDED, |
| 88 REMOVED, | 88 REMOVED, |
| 89 }; | 89 }; |
| 90 | 90 |
| 91 // Sets the |extension|'s active permissions to |active| and records the | 91 // Sets the |extension|'s active permissions to |active| and records the |
| 92 // change in the prefs. If |withheld| is non-null, also sets the extension's | 92 // change in the prefs. If |withheld| is non-null, also sets the extension's |
| 93 // withheld permissions to |withheld|. Otherwise, |withheld| permissions are | 93 // withheld permissions to |withheld|. Otherwise, |withheld| permissions are |
| 94 // not changed. | 94 // not changed. |
| 95 void SetPermissions(const Extension* extension, | 95 void SetPermissions(const Extension* extension, |
| 96 scoped_ptr<const PermissionSet> active, | 96 std::unique_ptr<const PermissionSet> active, |
| 97 scoped_ptr<const PermissionSet> withheld); | 97 std::unique_ptr<const PermissionSet> withheld); |
| 98 | 98 |
| 99 // Dispatches specified event to the extension. | 99 // Dispatches specified event to the extension. |
| 100 void DispatchEvent(const std::string& extension_id, | 100 void DispatchEvent(const std::string& extension_id, |
| 101 events::HistogramValue histogram_value, | 101 events::HistogramValue histogram_value, |
| 102 const char* event_name, | 102 const char* event_name, |
| 103 const PermissionSet& changed_permissions); | 103 const PermissionSet& changed_permissions); |
| 104 | 104 |
| 105 // Issues the relevant events, messages and notifications when the | 105 // Issues the relevant events, messages and notifications when the |
| 106 // |extension|'s permissions have |changed| (|changed| is the delta). | 106 // |extension|'s permissions have |changed| (|changed| is the delta). |
| 107 // Specifically, this sends the EXTENSION_PERMISSIONS_UPDATED notification, | 107 // Specifically, this sends the EXTENSION_PERMISSIONS_UPDATED notification, |
| 108 // the ExtensionMsg_UpdatePermissions IPC message, and fires the | 108 // the ExtensionMsg_UpdatePermissions IPC message, and fires the |
| 109 // onAdded/onRemoved events in the extension. | 109 // onAdded/onRemoved events in the extension. |
| 110 void NotifyPermissionsUpdated(EventType event_type, | 110 void NotifyPermissionsUpdated(EventType event_type, |
| 111 const Extension* extension, | 111 const Extension* extension, |
| 112 const PermissionSet& changed); | 112 const PermissionSet& changed); |
| 113 | 113 |
| 114 // The associated BrowserContext. | 114 // The associated BrowserContext. |
| 115 content::BrowserContext* browser_context_; | 115 content::BrowserContext* browser_context_; |
| 116 | 116 |
| 117 // Initialization flag that determines whether prefs is consulted about the | 117 // Initialization flag that determines whether prefs is consulted about the |
| 118 // extension. Transient extensions should not have entries in prefs. | 118 // extension. Transient extensions should not have entries in prefs. |
| 119 InitFlag init_flag_; | 119 InitFlag init_flag_; |
| 120 | 120 |
| 121 DISALLOW_COPY_AND_ASSIGN(PermissionsUpdater); | 121 DISALLOW_COPY_AND_ASSIGN(PermissionsUpdater); |
| 122 }; | 122 }; |
| 123 | 123 |
| 124 } // namespace extensions | 124 } // namespace extensions |
| 125 | 125 |
| 126 #endif // CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__ | 126 #endif // CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__ |
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