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// Copyright (c) 2012 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 "chrome/browser/policy/cloud/user_cloud_policy_manager_factory.h"
#include <utility>
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/sequenced_task_runner.h"
#include "base/threading/thread_task_runner_handle.h"
#include "chrome/browser/policy/schema_registry_service.h"
#include "chrome/browser/policy/schema_registry_service_factory.h"
#include "components/keyed_service/content/browser_context_dependency_manager.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/policy/core/common/cloud/cloud_external_data_manager.h"
#include "components/policy/core/common/cloud/cloud_policy_constants.h"
#include "components/policy/core/common/cloud/user_cloud_policy_manager.h"
#include "components/policy/core/common/cloud/user_cloud_policy_store.h"
#include "content/public/browser/browser_context.h"
namespace policy {
namespace {
// Directory inside the profile directory where policy-related resources are
// stored.
const base::FilePath::CharType kPolicy[] = FILE_PATH_LITERAL("Policy");
// Directory under kPolicy, in the user's profile dir, where policy for
// components is cached.
const base::FilePath::CharType kComponentsDir[] =
FILE_PATH_LITERAL("Components");
} // namespace
// A KeyedService that wraps a UserCloudPolicyManager.
class UserCloudPolicyManagerFactory::ManagerWrapper : public KeyedService {
public:
explicit ManagerWrapper(UserCloudPolicyManager* manager)
: manager_(manager) {
DCHECK(manager);
}
~ManagerWrapper() override {}
void Shutdown() override { manager_->Shutdown(); }
UserCloudPolicyManager* manager() { return manager_; }
private:
UserCloudPolicyManager* manager_;
DISALLOW_COPY_AND_ASSIGN(ManagerWrapper);
};
// static
UserCloudPolicyManagerFactory* UserCloudPolicyManagerFactory::GetInstance() {
return base::Singleton<UserCloudPolicyManagerFactory>::get();
}
// static
UserCloudPolicyManager* UserCloudPolicyManagerFactory::GetForBrowserContext(
content::BrowserContext* context) {
return GetInstance()->GetManagerForBrowserContext(context);
}
// static
std::unique_ptr<UserCloudPolicyManager>
UserCloudPolicyManagerFactory::CreateForOriginalBrowserContext(
content::BrowserContext* context,
bool force_immediate_load,
const scoped_refptr<base::SequencedTaskRunner>& background_task_runner,
const scoped_refptr<base::SequencedTaskRunner>& file_task_runner,
const scoped_refptr<base::SequencedTaskRunner>& io_task_runner) {
UserCloudPolicyManagerFactory* factory = GetInstance();
// If there's a testing factory set, don't bother creating a new one.
if (factory->testing_factory_ != NULL)
return std::unique_ptr<UserCloudPolicyManager>();
return factory->CreateManagerForOriginalBrowserContext(
context,
force_immediate_load,
background_task_runner,
file_task_runner,
io_task_runner);
}
// static
UserCloudPolicyManager*
UserCloudPolicyManagerFactory::RegisterForOffTheRecordBrowserContext(
content::BrowserContext* original_context,
content::BrowserContext* off_the_record_context) {
return GetInstance()->RegisterManagerForOffTheRecordBrowserContext(
original_context, off_the_record_context);
}
void UserCloudPolicyManagerFactory::RegisterTestingFactory(
TestingFactoryFunction factory) {
// Can't set a testing factory when a testing factory has already been
// created, or after UCPMs have already been built.
DCHECK(!testing_factory_);
DCHECK(factory);
DCHECK(manager_wrappers_.empty());
testing_factory_ = factory;
}
void UserCloudPolicyManagerFactory::ClearTestingFactory() {
testing_factory_ = NULL;
}
UserCloudPolicyManagerFactory::UserCloudPolicyManagerFactory()
: BrowserContextKeyedBaseFactory(
"UserCloudPolicyManager",
BrowserContextDependencyManager::GetInstance()),
testing_factory_(NULL) {
DependsOn(SchemaRegistryServiceFactory::GetInstance());
}
UserCloudPolicyManagerFactory::~UserCloudPolicyManagerFactory() {
DCHECK(manager_wrappers_.empty());
}
UserCloudPolicyManager*
UserCloudPolicyManagerFactory::GetManagerForBrowserContext(
content::BrowserContext* context) {
// In case |context| is an incognito Profile/Context, |manager_wrappers_|
// will have a matching entry pointing to the manager of the original context.
ManagerWrapperMap::const_iterator it = manager_wrappers_.find(context);
return it != manager_wrappers_.end() ? it->second->manager() : NULL;
}
std::unique_ptr<UserCloudPolicyManager>
UserCloudPolicyManagerFactory::CreateManagerForOriginalBrowserContext(
content::BrowserContext* context,
bool force_immediate_load,
const scoped_refptr<base::SequencedTaskRunner>& background_task_runner,
const scoped_refptr<base::SequencedTaskRunner>& file_task_runner,
const scoped_refptr<base::SequencedTaskRunner>& io_task_runner) {
DCHECK(!context->IsOffTheRecord());
// This should never be called if we're using a testing factory.
// Instead, instances are instantiated via CreateServiceNow().
DCHECK(!testing_factory_);
std::unique_ptr<UserCloudPolicyStore> store(
UserCloudPolicyStore::Create(context->GetPath(), background_task_runner));
if (force_immediate_load)
store->LoadImmediately();
const base::FilePath component_policy_cache_dir =
context->GetPath().Append(kPolicy).Append(kComponentsDir);
std::unique_ptr<UserCloudPolicyManager> manager;
manager.reset(new UserCloudPolicyManager(
std::move(store), component_policy_cache_dir,
std::unique_ptr<CloudExternalDataManager>(),
base::ThreadTaskRunnerHandle::Get(), file_task_runner, io_task_runner));
manager->Init(
SchemaRegistryServiceFactory::GetForContext(context)->registry());
manager_wrappers_[context] = new ManagerWrapper(manager.get());
return manager;
}
UserCloudPolicyManager*
UserCloudPolicyManagerFactory::RegisterManagerForOffTheRecordBrowserContext(
content::BrowserContext* original_context,
content::BrowserContext* off_the_record_context) {
// Register the UserCloudPolicyManager of the original context for the
// respective incognito context. See also GetManagerForBrowserContext.
UserCloudPolicyManager* manager =
GetManagerForBrowserContext(original_context);
manager_wrappers_[off_the_record_context] = new ManagerWrapper(manager);
return manager;
}
void UserCloudPolicyManagerFactory::BrowserContextShutdown(
content::BrowserContext* context) {
if (context->IsOffTheRecord())
return;
ManagerWrapperMap::iterator it = manager_wrappers_.find(context);
// E.g. for a TestingProfile there might not be a manager created.
if (it != manager_wrappers_.end())
it->second->Shutdown();
}
void UserCloudPolicyManagerFactory::BrowserContextDestroyed(
content::BrowserContext* context) {
ManagerWrapperMap::iterator it = manager_wrappers_.find(context);
if (it != manager_wrappers_.end()) {
// The manager is not owned by the factory, so it's not deleted here.
delete it->second;
manager_wrappers_.erase(it);
}
}
void UserCloudPolicyManagerFactory::SetEmptyTestingFactory(
content::BrowserContext* context) {}
bool UserCloudPolicyManagerFactory::HasTestingFactory(
content::BrowserContext* context) {
return testing_factory_ != NULL;
}
// If there's a TestingFactory set, then create a service during BrowserContext
// initialization.
bool UserCloudPolicyManagerFactory::ServiceIsCreatedWithBrowserContext() const {
return testing_factory_ != NULL;
}
void UserCloudPolicyManagerFactory::CreateServiceNow(
content::BrowserContext* context) {
DCHECK(testing_factory_);
manager_wrappers_[context] = new ManagerWrapper(testing_factory_(context));
}
} // namespace policy
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