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// 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.
#include "extensions/common/permissions/permissions_info.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/stl_util.h"
#include "base/strings/string_util.h"
#include "extensions/common/alias.h"
namespace extensions {
static base::LazyInstance<PermissionsInfo>::Leaky g_permissions_info =
LAZY_INSTANCE_INITIALIZER;
// static
PermissionsInfo* PermissionsInfo::GetInstance() {
return g_permissions_info.Pointer();
}
void PermissionsInfo::AddProvider(
const PermissionsProvider& permissions_provider,
const std::vector<Alias>& aliases) {
auto permissions = permissions_provider.GetAllPermissions();
for (auto& permission : permissions)
RegisterPermission(std::move(permission));
for (const auto& alias : aliases)
RegisterAlias(alias);
}
const APIPermissionInfo* PermissionsInfo::GetByID(APIPermission::ID id) const {
IDMap::const_iterator i = id_map_.find(id);
return (i == id_map_.end()) ? nullptr : i->second.get();
}
const APIPermissionInfo* PermissionsInfo::GetByName(
const std::string& name) const {
NameMap::const_iterator i = name_map_.find(name);
return (i == name_map_.end()) ? nullptr : i->second;
}
APIPermissionSet PermissionsInfo::GetAll() const {
APIPermissionSet permissions;
for (IDMap::const_iterator i = id_map_.begin(); i != id_map_.end(); ++i)
permissions.insert(i->second->id());
return permissions;
}
APIPermissionSet PermissionsInfo::GetAllByName(
const std::set<std::string>& permission_names) const {
APIPermissionSet permissions;
for (std::set<std::string>::const_iterator i = permission_names.begin();
i != permission_names.end(); ++i) {
const APIPermissionInfo* permission_info = GetByName(*i);
if (permission_info)
permissions.insert(permission_info->id());
}
return permissions;
}
bool PermissionsInfo::HasChildPermissions(const std::string& name) const {
NameMap::const_iterator i = name_map_.lower_bound(name + '.');
if (i == name_map_.end()) return false;
return base::StartsWith(i->first, name + '.', base::CompareCase::SENSITIVE);
}
PermissionsInfo::PermissionsInfo()
: permission_count_(0) {
}
PermissionsInfo::~PermissionsInfo() {
}
void PermissionsInfo::RegisterAlias(const Alias& alias) {
DCHECK(base::ContainsKey(name_map_, alias.real_name()));
DCHECK(!base::ContainsKey(name_map_, alias.name()));
name_map_[alias.name()] = name_map_[alias.real_name()];
}
void PermissionsInfo::RegisterPermission(
std::unique_ptr<APIPermissionInfo> permission) {
DCHECK(!base::ContainsKey(id_map_, permission->id()));
DCHECK(!base::ContainsKey(name_map_, permission->name()));
name_map_[permission->name()] = permission.get();
id_map_[permission->id()] = std::move(permission);
permission_count_++;
}
} // namespace extensions
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