| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef EXTENSIONS_COMMON_PERMISSIONS_PERMISSIONS_INFO_H_ |
| #define EXTENSIONS_COMMON_PERMISSIONS_PERMISSIONS_INFO_H_ |
| |
| #include <stddef.h> |
| |
| #include <map> |
| #include <memory> |
| #include <set> |
| #include <string> |
| #include <unordered_map> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/containers/span.h" |
| #include "base/lazy_instance.h" |
| #include "base/macros.h" |
| #include "extensions/common/permissions/api_permission.h" |
| #include "extensions/common/permissions/api_permission_set.h" |
| |
| namespace extensions { |
| |
| struct Alias; |
| |
| // A global object that holds the extension permission instances and provides |
| // methods for accessing them. |
| class PermissionsInfo { |
| public: |
| static PermissionsInfo* GetInstance(); |
| |
| // Registers the permissions specified by |infos| along with the |
| // |aliases|. |
| void RegisterPermissions(base::span<const APIPermissionInfo::InitInfo> infos, |
| base::span<const Alias> aliases); |
| |
| // Returns the permission with the given |id|, and NULL if it doesn't exist. |
| const APIPermissionInfo* GetByID(APIPermission::ID id) const; |
| |
| // Returns the permission with the given |name|, and NULL if none |
| // exists. |
| const APIPermissionInfo* GetByName(const std::string& name) const; |
| |
| // Returns a set containing all valid api permission ids. |
| APIPermissionSet GetAll() const; |
| |
| // Converts all the permission names in |permission_names| to permission ids. |
| APIPermissionSet GetAllByName( |
| const std::set<std::string>& permission_names) const; |
| |
| // Checks if any permissions have names that start with |name| followed by a |
| // period. |
| bool HasChildPermissions(const std::string& name) const; |
| |
| // Gets the total number of API permissions. |
| size_t get_permission_count() const { return permission_count_; } |
| |
| private: |
| friend struct base::LazyInstanceTraitsBase<PermissionsInfo>; |
| |
| PermissionsInfo(); |
| |
| virtual ~PermissionsInfo(); |
| |
| // Registers an |alias| for a given permission |name|. |
| void RegisterAlias(const Alias& alias); |
| |
| // Registers a permission with the specified attributes and flags. |
| void RegisterPermission(std::unique_ptr<APIPermissionInfo> permission); |
| |
| // Maps permission ids to permissions. Owns the permissions. |
| typedef std::unordered_map<APIPermission::ID, |
| std::unique_ptr<APIPermissionInfo>> |
| IDMap; |
| |
| // Maps names and aliases to permissions. Doesn't own the permissions. |
| typedef std::map<std::string, APIPermissionInfo*> NameMap; |
| |
| IDMap id_map_; |
| NameMap name_map_; |
| |
| size_t permission_count_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PermissionsInfo); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_COMMON_PERMISSIONS_PERMISSIONS_INFO_H_ |