| // Copyright 2014 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 CONTENT_BROWSER_APPCACHE_APPCACHE_SERVICE_IMPL_H_ |
| #define CONTENT_BROWSER_APPCACHE_APPCACHE_SERVICE_IMPL_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| |
| #include "base/gtest_prod_util.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/observer_list.h" |
| #include "base/sequenced_task_runner.h" |
| #include "base/time/time.h" |
| #include "base/timer/timer.h" |
| #include "content/browser/appcache/appcache_quota_client.h" |
| #include "content/browser/url_loader_factory_getter.h" |
| #include "content/common/appcache_interfaces.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/appcache_service.h" |
| #include "mojo/public/cpp/bindings/pending_receiver.h" |
| #include "mojo/public/cpp/bindings/pending_remote.h" |
| #include "net/base/completion_once_callback.h" |
| #include "net/base/net_errors.h" |
| #include "storage/browser/quota/quota_manager_proxy.h" |
| #include "third_party/blink/public/mojom/appcache/appcache.mojom-forward.h" |
| |
| namespace base { |
| class FilePath; |
| } // namespace base |
| |
| namespace storage { |
| class SpecialStoragePolicy; |
| } // namespace storage |
| |
| namespace content { |
| FORWARD_DECLARE_TEST(AppCacheServiceImplTest, ScheduleReinitialize); |
| class AppCacheHost; |
| class AppCachePolicy; |
| class AppCacheServiceImplTest; |
| class AppCacheStorageImplTest; |
| class AppCacheStorage; |
| class StoragePartitionImpl; |
| |
| // Refcounted container to manage the lifetime of the old storage instance |
| // during Reinitialization. |
| class CONTENT_EXPORT AppCacheStorageReference |
| : public base::RefCounted<AppCacheStorageReference> { |
| public: |
| explicit AppCacheStorageReference(std::unique_ptr<AppCacheStorage> storage); |
| |
| AppCacheStorage* storage() const { return storage_.get(); } |
| |
| private: |
| friend class base::RefCounted<AppCacheStorageReference>; |
| ~AppCacheStorageReference(); |
| |
| std::unique_ptr<AppCacheStorage> storage_; |
| }; |
| |
| // Handles operations that apply to caches across multiple renderer processes |
| // for a user-profile. Each instance has exclusive access to its cache_directory |
| // on disk. |
| class CONTENT_EXPORT AppCacheServiceImpl : public AppCacheService { |
| public: |
| class CONTENT_EXPORT Observer { |
| public: |
| Observer(const Observer&) = delete; |
| Observer& operator=(const Observer&) = delete; |
| |
| // Called just prior to the instance being deleted. |
| virtual void OnServiceDestructionImminent(AppCacheServiceImpl* service) {} |
| |
| // An observer method to inform consumers of reinitialzation. Managing |
| // the lifetime of the old storage instance is a delicate process. |
| // Consumers can keep the old disabled instance alive by hanging on to the |
| // ref provided. |
| virtual void OnServiceReinitialized( |
| AppCacheStorageReference* old_storage_ref) {} |
| |
| protected: |
| // The constructor and destructor exist to facilitate subclassing, and |
| // should not be called directly. |
| Observer() noexcept = default; |
| virtual ~Observer() = default; |
| }; |
| |
| // If not using quota management, the proxy may be NULL. |
| AppCacheServiceImpl(storage::QuotaManagerProxy* quota_manager_proxy, |
| base::WeakPtr<StoragePartitionImpl> partition); |
| ~AppCacheServiceImpl() override; |
| |
| void Initialize(const base::FilePath& cache_directory); |
| |
| void AddObserver(Observer* observer) { |
| observers_.AddObserver(observer); |
| } |
| |
| void RemoveObserver(Observer* observer) { |
| observers_.RemoveObserver(observer); |
| } |
| |
| // For use in catastrophic failure modes to reboot the appcache system |
| // without relaunching the browser. |
| void ScheduleReinitialize(); |
| |
| // AppCacheService |
| void GetAllAppCacheInfo(AppCacheInfoCollection* collection, |
| net::CompletionOnceCallback callback) override; |
| void DeleteAppCachesForOrigin(const url::Origin& origin, |
| net::CompletionOnceCallback callback) override; |
| |
| // Deletes the group identified by 'manifest_url', 'callback' is |
| // invoked upon completion. Upon completion, the cache group and |
| // any resources within the group are no longer loadable and all |
| // subresource loads for pages associated with a deleted group |
| // will fail. This method always completes asynchronously. |
| void DeleteAppCacheGroup(const GURL& manifest_url, |
| net::CompletionOnceCallback callback); |
| |
| // Checks the integrity of 'response_id' by reading the headers and data. |
| // If it cannot be read, the cache group for 'manifest_url' is deleted. |
| void CheckAppCacheResponse(const GURL& manifest_url, |
| int64_t cache_id, |
| int64_t response_id); |
| |
| // The appcache policy, may be null, in which case access is always allowed. |
| // The service does NOT assume ownership of the policy, it is the callers |
| // responsibility to ensure that the pointer remains valid while set. |
| AppCachePolicy* appcache_policy() const { return appcache_policy_; } |
| void set_appcache_policy(AppCachePolicy* policy) { |
| appcache_policy_ = policy; |
| } |
| |
| storage::SpecialStoragePolicy* special_storage_policy() const { |
| return special_storage_policy_.get(); |
| } |
| void set_special_storage_policy(storage::SpecialStoragePolicy* policy); |
| |
| storage::QuotaManagerProxy* quota_manager_proxy() const { |
| return quota_manager_proxy_.get(); |
| } |
| |
| // This QuotaClient should only be used on the IO thread. |
| AppCacheQuotaClient* quota_client() const { return quota_client_.get(); } |
| |
| AppCacheStorage* storage() const { return storage_.get(); } |
| |
| base::WeakPtr<AppCacheServiceImpl> AsWeakPtr() { |
| return weak_factory_.GetWeakPtr(); |
| } |
| |
| // Disables the exit-time deletion of session-only data. |
| void set_force_keep_session_state() { force_keep_session_state_ = true; } |
| bool force_keep_session_state() const { return force_keep_session_state_; } |
| |
| base::WeakPtr<StoragePartitionImpl> partition() { return partition_; } |
| |
| // Returns a pointer to a registered host. It retains ownership. |
| AppCacheHost* GetHost(const base::UnguessableToken& host_id); |
| bool EraseHost(const base::UnguessableToken& host_id); |
| void RegisterHost( |
| mojo::PendingReceiver<blink::mojom::AppCacheHost> host_receiver, |
| mojo::PendingRemote<blink::mojom::AppCacheFrontend> frontend_remote, |
| const base::UnguessableToken& host_id, |
| int32_t render_frame_id, |
| int process_id, |
| mojo::ReportBadMessageCallback bad_message_callback); |
| |
| protected: |
| friend class content::AppCacheServiceImplTest; |
| friend class content::AppCacheStorageImplTest; |
| FRIEND_TEST_ALL_PREFIXES(content::AppCacheServiceImplTest, |
| ScheduleReinitialize); |
| |
| class AsyncHelper; |
| class DeleteHelper; |
| class DeleteOriginHelper; |
| class GetInfoHelper; |
| class CheckResponseHelper; |
| |
| void Reinitialize(); |
| |
| base::FilePath cache_directory_; |
| scoped_refptr<base::SequencedTaskRunner> db_task_runner_; |
| AppCachePolicy* appcache_policy_; |
| scoped_refptr<AppCacheQuotaClient> quota_client_; |
| std::unique_ptr<AppCacheStorage> storage_; |
| scoped_refptr<storage::SpecialStoragePolicy> special_storage_policy_; |
| scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy_; |
| std::map<AsyncHelper*, std::unique_ptr<AsyncHelper>> pending_helpers_; |
| // If true, nothing (not even session-only data) should be deleted on exit. |
| bool force_keep_session_state_; |
| base::Time last_reinit_time_; |
| base::TimeDelta next_reinit_delay_; |
| base::OneShotTimer reinit_timer_; |
| base::ObserverList<Observer>::Unchecked observers_; |
| // |partition_| is used to get the network URL loader factory. |
| base::WeakPtr<StoragePartitionImpl> partition_; |
| |
| private: |
| // The (process id, host id) pair that identifies one AppCacheHost. |
| using AppCacheHostProcessMap = |
| std::map<base::UnguessableToken, std::unique_ptr<AppCacheHost>>; |
| AppCacheHostProcessMap hosts_; |
| |
| base::WeakPtrFactory<AppCacheServiceImpl> weak_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(AppCacheServiceImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_APPCACHE_APPCACHE_SERVICE_IMPL_H_ |