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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/extensions_client.h"
namespace extensions {
static base::LazyInstance<PermissionsInfo> g_permissions_info =
LAZY_INSTANCE_INITIALIZER;
// static
PermissionsInfo* PermissionsInfo::GetInstance() {
return g_permissions_info.Pointer();
}
PermissionsInfo::~PermissionsInfo() {
STLDeleteContainerPairSecondPointers(id_map_.begin(), id_map_.end());
}
const APIPermissionInfo* PermissionsInfo::GetByID(
APIPermission::ID id) const {
IDMap::const_iterator i = id_map_.find(id);
return (i == id_map_.end()) ? NULL : i->second;
}
const APIPermissionInfo* PermissionsInfo::GetByName(
const std::string& name) const {
NameMap::const_iterator i = name_map_.find(name);
return (i == name_map_.end()) ? NULL : 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 StartsWithASCII(i->first, name + '.', true);
}
PermissionsInfo::PermissionsInfo()
: hosted_app_permission_count_(0),
permission_count_(0) {
DCHECK(ExtensionsClient::Get());
InitializeWithProvider(ExtensionsClient::Get()->GetPermissionsProvider());
}
void PermissionsInfo::InitializeWithProvider(
const PermissionsProvider& provider) {
std::vector<APIPermissionInfo*> permissions = provider.GetAllPermissions();
std::vector<PermissionsProvider::AliasInfo> aliases =
provider.GetAllAliases();
for (size_t i = 0; i < permissions.size(); ++i)
RegisterPermission(permissions[i]);
for (size_t i = 0; i < aliases.size(); ++i)
RegisterAlias(aliases[i].name, aliases[i].alias);
}
void PermissionsInfo::RegisterAlias(
const char* name,
const char* alias) {
DCHECK(ContainsKey(name_map_, name));
DCHECK(!ContainsKey(name_map_, alias));
name_map_[alias] = name_map_[name];
}
void PermissionsInfo::RegisterPermission(APIPermissionInfo* permission) {
DCHECK(!ContainsKey(id_map_, permission->id()));
DCHECK(!ContainsKey(name_map_, permission->name()));
id_map_[permission->id()] = permission;
name_map_[permission->name()] = permission;
permission_count_++;
}
} // namespace extensions
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