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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 #include "chrome/browser/extensions/permissions_updater.h" | 5 #include "chrome/browser/extensions/permissions_updater.h" |
| 6 | 6 |
| 7 #include "base/json/json_writer.h" | 7 #include "base/json/json_writer.h" |
| 8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
| 9 #include "base/values.h" | 9 #include "base/values.h" |
| 10 #include "chrome/browser/chrome_notification_types.h" | 10 #include "chrome/browser/chrome_notification_types.h" |
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| 29 namespace permissions = api::permissions; | 29 namespace permissions = api::permissions; |
| 30 | 30 |
| 31 PermissionsUpdater::PermissionsUpdater(Profile* profile) | 31 PermissionsUpdater::PermissionsUpdater(Profile* profile) |
| 32 : profile_(profile) {} | 32 : profile_(profile) {} |
| 33 | 33 |
| 34 PermissionsUpdater::~PermissionsUpdater() {} | 34 PermissionsUpdater::~PermissionsUpdater() {} |
| 35 | 35 |
| 36 void PermissionsUpdater::AddPermissions( | 36 void PermissionsUpdater::AddPermissions( |
| 37 const Extension* extension, const PermissionSet* permissions) { | 37 const Extension* extension, const PermissionSet* permissions) { |
| 38 scoped_refptr<const PermissionSet> existing( | 38 scoped_refptr<const PermissionSet> existing( |
| 39 extension->GetActivePermissions()); | 39 extension->permissions_data()->active_permissions()); |
| 40 scoped_refptr<PermissionSet> total( | 40 scoped_refptr<PermissionSet> total( |
| 41 PermissionSet::CreateUnion(existing.get(), permissions)); | 41 PermissionSet::CreateUnion(existing.get(), permissions)); |
| 42 scoped_refptr<PermissionSet> added( | 42 scoped_refptr<PermissionSet> added( |
| 43 PermissionSet::CreateDifference(total.get(), existing.get())); | 43 PermissionSet::CreateDifference(total.get(), existing.get())); |
| 44 | 44 |
| 45 UpdateActivePermissions(extension, total.get()); | 45 UpdateActivePermissions(extension, total.get()); |
| 46 | 46 |
| 47 // Update the granted permissions so we don't auto-disable the extension. | 47 // Update the granted permissions so we don't auto-disable the extension. |
| 48 GrantActivePermissions(extension); | 48 GrantActivePermissions(extension); |
| 49 | 49 |
| 50 NotifyPermissionsUpdated(ADDED, extension, added.get()); | 50 NotifyPermissionsUpdated(ADDED, extension, added.get()); |
| 51 } | 51 } |
| 52 | 52 |
| 53 void PermissionsUpdater::RemovePermissions( | 53 void PermissionsUpdater::RemovePermissions( |
| 54 const Extension* extension, const PermissionSet* permissions) { | 54 const Extension* extension, const PermissionSet* permissions) { |
| 55 scoped_refptr<const PermissionSet> existing( | 55 scoped_refptr<const PermissionSet> existing( |
| 56 extension->GetActivePermissions()); | 56 extension->permissions_data()->active_permissions()); |
| 57 scoped_refptr<PermissionSet> total( | 57 scoped_refptr<PermissionSet> total( |
| 58 PermissionSet::CreateDifference(existing.get(), permissions)); | 58 PermissionSet::CreateDifference(existing.get(), permissions)); |
| 59 scoped_refptr<PermissionSet> removed( | 59 scoped_refptr<PermissionSet> removed( |
| 60 PermissionSet::CreateDifference(existing.get(), total.get())); | 60 PermissionSet::CreateDifference(existing.get(), total.get())); |
| 61 | 61 |
| 62 // We update the active permissions, and not the granted permissions, because | 62 // We update the active permissions, and not the granted permissions, because |
| 63 // the extension, not the user, removed the permissions. This allows the | 63 // the extension, not the user, removed the permissions. This allows the |
| 64 // extension to add them again without prompting the user. | 64 // extension to add them again without prompting the user. |
| 65 UpdateActivePermissions(extension, total.get()); | 65 UpdateActivePermissions(extension, total.get()); |
| 66 | 66 |
| 67 NotifyPermissionsUpdated(REMOVED, extension, removed.get()); | 67 NotifyPermissionsUpdated(REMOVED, extension, removed.get()); |
| 68 } | 68 } |
| 69 | 69 |
| 70 void PermissionsUpdater::GrantActivePermissions(const Extension* extension) { | 70 void PermissionsUpdater::GrantActivePermissions(const Extension* extension) { |
| 71 CHECK(extension); | 71 CHECK(extension); |
| 72 | 72 |
| 73 // We only maintain the granted permissions prefs for INTERNAL and LOAD | 73 // We only maintain the granted permissions prefs for INTERNAL and LOAD |
| 74 // extensions. | 74 // extensions. |
| 75 if (!Manifest::IsUnpackedLocation(extension->location()) && | 75 if (!Manifest::IsUnpackedLocation(extension->location()) && |
| 76 extension->location() != Manifest::INTERNAL) | 76 extension->location() != Manifest::INTERNAL) |
| 77 return; | 77 return; |
| 78 | 78 |
| 79 ExtensionPrefs::Get(profile_)->AddGrantedPermissions( | 79 ExtensionPrefs::Get(profile_)->AddGrantedPermissions( |
| 80 extension->id(), extension->GetActivePermissions().get()); | 80 extension->id(), |
| 81 extension->permissions_data()->active_permissions().get()); |
| 81 } | 82 } |
| 82 | 83 |
| 83 void PermissionsUpdater::UpdateActivePermissions( | 84 void PermissionsUpdater::UpdateActivePermissions( |
| 84 const Extension* extension, const PermissionSet* permissions) { | 85 const Extension* extension, const PermissionSet* permissions) { |
| 85 ExtensionPrefs::Get(profile_)->SetActivePermissions( | 86 ExtensionPrefs::Get(profile_)->SetActivePermissions( |
| 86 extension->id(), permissions); | 87 extension->id(), permissions); |
| 87 extension->permissions_data()->SetActivePermissions(permissions); | 88 extension->permissions_data()->SetActivePermissions(permissions); |
| 88 } | 89 } |
| 89 | 90 |
| 90 void PermissionsUpdater::DispatchEvent( | 91 void PermissionsUpdater::DispatchEvent( |
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| 146 info.scriptable_hosts = changed->scriptable_hosts(); | 147 info.scriptable_hosts = changed->scriptable_hosts(); |
| 147 host->Send(new ExtensionMsg_UpdatePermissions(info)); | 148 host->Send(new ExtensionMsg_UpdatePermissions(info)); |
| 148 } | 149 } |
| 149 } | 150 } |
| 150 | 151 |
| 151 // Trigger the onAdded and onRemoved events in the extension. | 152 // Trigger the onAdded and onRemoved events in the extension. |
| 152 DispatchEvent(extension->id(), event_name, changed); | 153 DispatchEvent(extension->id(), event_name, changed); |
| 153 } | 154 } |
| 154 | 155 |
| 155 } // namespace extensions | 156 } // namespace extensions |
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