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// Copyright 2013 The Chromium Authors
// 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 <vector>
#include "base/containers/flat_map.h"
#include "base/containers/span.h"
#include "base/functional/callback.h"
#include "base/lazy_instance.h"
#include "base/memory/raw_ptr.h"
#include "extensions/common/mojom/api_permission_id.mojom-shared.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:
PermissionsInfo(const PermissionsInfo&) = delete;
PermissionsInfo& operator=(const PermissionsInfo&) = delete;
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(mojom::APIPermissionID 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 GetAllForTest() const;
// Converts all the permission names in `permission_names` to permission ids.
APIPermissionSet GetAllByNameForTest(
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.
using IDMap = base::flat_map<mojom::APIPermissionID,
std::unique_ptr<APIPermissionInfo>>;
// Maps names and aliases to permissions. Doesn't own the permissions.
using NameMap = std::map<std::string, APIPermissionInfo*>;
IDMap id_map_;
NameMap name_map_;
size_t permission_count_;
};
} // namespace extensions
#endif // EXTENSIONS_COMMON_PERMISSIONS_PERMISSIONS_INFO_H_
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