| // 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_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_ |
| #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/optional.h" |
| #include "base/time/time.h" |
| #include "content/browser/service_worker/embedded_worker_status.h" |
| #include "content/browser/service_worker/service_worker_metrics.h" |
| #include "content/common/content_export.h" |
| #include "content/common/service_worker/service_worker_status_code.h" |
| #include "content/common/service_worker/service_worker_types.h" |
| #include "content/public/common/request_context_frame_type.h" |
| #include "content/public/common/request_context_type.h" |
| #include "content/public/common/resource_type.h" |
| #include "net/http/http_byte_range.h" |
| #include "net/url_request/url_request.h" |
| #include "net/url_request/url_request_job.h" |
| #include "net/url_request/url_request_status.h" |
| #include "storage/common/blob_storage/blob_storage_constants.h" |
| #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerResponseType.h" |
| #include "url/gurl.h" |
| |
| namespace net { |
| class IOBuffer; |
| } // namespace net |
| |
| namespace storage { |
| class BlobDataHandle; |
| class BlobStorageContext; |
| } // namespace storage |
| |
| namespace content { |
| |
| class ResourceContext; |
| class ResourceRequestBodyImpl; |
| class ServiceWorkerBlobReader; |
| class ServiceWorkerStreamReader; |
| class ServiceWorkerFetchDispatcher; |
| class ServiceWorkerVersion; |
| class Stream; |
| |
| class CONTENT_EXPORT ServiceWorkerURLRequestJob : public net::URLRequestJob { |
| public: |
| class CONTENT_EXPORT Delegate { |
| public: |
| virtual ~Delegate() {} |
| |
| // Will be invoked before the request is restarted. The caller |
| // can use this opportunity to grab state from the |
| // ServiceWorkerURLRequestJob to determine how it should behave when the |
| // request is restarted. |
| virtual void OnPrepareToRestart() = 0; |
| |
| // Returns the ServiceWorkerVersion fetch events for this request job should |
| // be dispatched to. If no appropriate worker can be determined, returns |
| // nullptr and sets |*result| to an appropriate error. |
| virtual ServiceWorkerVersion* GetServiceWorkerVersion( |
| ServiceWorkerMetrics::URLRequestJobResult* result) = 0; |
| |
| // Called after dispatching the fetch event to determine if processing of |
| // the request should still continue, or if processing should be aborted. |
| // When false is returned, this sets |*result| to an appropriate error. |
| virtual bool RequestStillValid( |
| ServiceWorkerMetrics::URLRequestJobResult* result); |
| |
| // Called to signal that loading failed, and that the resource being loaded |
| // was a main resource. |
| virtual void MainResourceLoadFailed() {} |
| }; |
| |
| ServiceWorkerURLRequestJob( |
| net::URLRequest* request, |
| net::NetworkDelegate* network_delegate, |
| const std::string& client_id, |
| base::WeakPtr<storage::BlobStorageContext> blob_storage_context, |
| const ResourceContext* resource_context, |
| FetchRequestMode request_mode, |
| FetchCredentialsMode credentials_mode, |
| FetchRedirectMode redirect_mode, |
| ResourceType resource_type, |
| RequestContextType request_context_type, |
| RequestContextFrameType frame_type, |
| scoped_refptr<ResourceRequestBodyImpl> body, |
| ServiceWorkerFetchType fetch_type, |
| const base::Optional<base::TimeDelta>& timeout, |
| Delegate* delegate); |
| |
| ~ServiceWorkerURLRequestJob() override; |
| |
| const ResourceContext* resource_context() const { return resource_context_; } |
| |
| // Sets the response type. |
| // When an in-flight request possibly needs CORS check, use |
| // FallbackToNetworkOrRenderer. This method will decide whether the request |
| // can directly go to the network or should fallback to a renderer to send |
| // CORS preflight. You can use FallbackToNetwork only when, like main resource |
| // or foreign fetch cases, it's apparent that the request should go to the |
| // network directly. |
| // TODO(shimazu): Update the comment when what should we do at foreign fetch |
| // fallback is determined: crbug.com/604084 |
| void FallbackToNetwork(); |
| void FallbackToNetworkOrRenderer(); |
| void ForwardToServiceWorker(); |
| |
| bool ShouldFallbackToNetwork() const { |
| return response_type_ == FALLBACK_TO_NETWORK; |
| } |
| bool ShouldForwardToServiceWorker() const { |
| return response_type_ == FORWARD_TO_SERVICE_WORKER; |
| } |
| |
| // net::URLRequestJob overrides: |
| void Start() override; |
| void Kill() override; |
| net::LoadState GetLoadState() const override; |
| bool GetCharset(std::string* charset) override; |
| bool GetMimeType(std::string* mime_type) const override; |
| void GetResponseInfo(net::HttpResponseInfo* info) override; |
| void GetLoadTimingInfo(net::LoadTimingInfo* load_timing_info) const override; |
| int GetResponseCode() const override; |
| void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override; |
| int ReadRawData(net::IOBuffer* buf, int buf_size) override; |
| |
| //---------------------------------------------------------------------------- |
| // The following are intended for use by ServiceWorker(Blob|Stream)Reader. |
| void OnResponseStarted(); |
| void OnReadRawDataComplete(int bytes_read); |
| void RecordResult(ServiceWorkerMetrics::URLRequestJobResult result); |
| //---------------------------------------------------------------------------- |
| |
| base::WeakPtr<ServiceWorkerURLRequestJob> GetWeakPtr(); |
| |
| private: |
| class FileSizeResolver; |
| |
| enum ResponseType { |
| NOT_DETERMINED, |
| FALLBACK_TO_NETWORK, |
| FALLBACK_TO_RENDERER, // Use this when falling back with CORS check |
| FORWARD_TO_SERVICE_WORKER, |
| }; |
| |
| enum ResponseBodyType { |
| UNKNOWN, |
| BLOB, |
| STREAM, |
| }; |
| |
| // We start processing the request if Start() is called AND response_type_ |
| // is determined. |
| void MaybeStartRequest(); |
| void StartRequest(); |
| |
| // Creates ServiceWorkerFetchRequest from |request_| and |body_|. |
| std::unique_ptr<ServiceWorkerFetchRequest> CreateFetchRequest(); |
| |
| // Creates BlobDataHandle of the request body from |body_|. This handle |
| // |request_body_blob_data_handle_| will be deleted when |
| // ServiceWorkerURLRequestJob is deleted. |
| // This must not be called until all files in |body_| with unknown size have |
| // their sizes populated. |
| void CreateRequestBodyBlob(std::string* blob_uuid, uint64_t* blob_size); |
| |
| // For FORWARD_TO_SERVICE_WORKER case. |
| void DidPrepareFetchEvent(scoped_refptr<ServiceWorkerVersion> version); |
| void DidDispatchFetchEvent( |
| ServiceWorkerStatusCode status, |
| ServiceWorkerFetchEventResult fetch_result, |
| const ServiceWorkerResponse& response, |
| const scoped_refptr<ServiceWorkerVersion>& version); |
| void SetResponse(const ServiceWorkerResponse& response); |
| |
| // Populates |http_response_headers_|. |
| void CreateResponseHeader(int status_code, |
| const std::string& status_text, |
| const ServiceWorkerHeaderMap& headers); |
| |
| // Creates |http_response_info_| using |http_response_headers_| and calls |
| // NotifyHeadersComplete. |
| void CommitResponseHeader(); |
| |
| // Creates and commits a response header indicating error. |
| void DeliverErrorResponse(); |
| |
| // Restarts this job to fallback to network. |
| // This can be called after StartRequest. |
| void FinalizeFallbackToNetwork(); |
| |
| // Sends back a response with fall_back_required set as true to trigger |
| // subsequent network requests with CORS checking. |
| // This can be called after StartRequest. |
| void FinalizeFallbackToRenderer(); |
| |
| // True if need to send back a response with fall_back_required set as true to |
| // trigger subsequent network requests with CORS checking. |
| bool IsFallbackToRendererNeeded() const; |
| |
| // For UMA. |
| void SetResponseBodyType(ResponseBodyType type); |
| bool ShouldRecordResult(); |
| void RecordStatusZeroResponseError( |
| blink::WebServiceWorkerResponseError error); |
| |
| const net::HttpResponseInfo* http_info() const; |
| |
| // Invoke callbacks before invoking corresponding URLRequestJob methods. |
| void NotifyHeadersComplete(); |
| void NotifyStartError(net::URLRequestStatus status); |
| void NotifyRestartRequired(); |
| |
| // Wrapper that gathers parameters to |on_start_completed_callback_| and then |
| // calls it. |
| void OnStartCompleted() const; |
| |
| bool IsMainResourceLoad() const; |
| |
| // For waiting for files sizes of request body files with unknown sizes. |
| bool HasRequestBody(); |
| void RequestBodyFileSizesResolved(bool success); |
| |
| // Not owned. |
| Delegate* delegate_; |
| |
| // Timing info to show on the popup in Devtools' Network tab. |
| net::LoadTimingInfo load_timing_info_; |
| base::TimeTicks worker_start_time_; |
| base::TimeTicks worker_ready_time_; |
| base::Time response_time_; |
| |
| ResponseType response_type_; |
| bool is_started_; |
| |
| net::HttpByteRange byte_range_; |
| std::unique_ptr<net::HttpResponseInfo> range_response_info_; |
| std::unique_ptr<net::HttpResponseInfo> http_response_info_; |
| // Headers that have not yet been committed to |http_response_info_|. |
| scoped_refptr<net::HttpResponseHeaders> http_response_headers_; |
| GURL response_url_; |
| blink::WebServiceWorkerResponseType service_worker_response_type_; |
| |
| // Used when response type is FORWARD_TO_SERVICE_WORKER. |
| std::unique_ptr<ServiceWorkerFetchDispatcher> fetch_dispatcher_; |
| std::string client_id_; |
| base::WeakPtr<storage::BlobStorageContext> blob_storage_context_; |
| const ResourceContext* resource_context_; |
| // Only one of |blob_reader_| and |stream_reader_| can be non-null. |
| std::unique_ptr<ServiceWorkerBlobReader> blob_reader_; |
| std::unique_ptr<ServiceWorkerStreamReader> stream_reader_; |
| |
| FetchRequestMode request_mode_; |
| FetchCredentialsMode credentials_mode_; |
| FetchRedirectMode redirect_mode_; |
| const ResourceType resource_type_; |
| RequestContextType request_context_type_; |
| RequestContextFrameType frame_type_; |
| bool fall_back_required_; |
| // ResourceRequestBody has a collection of BlobDataHandles attached to it |
| // using the userdata mechanism. So we have to keep it not to free the blobs. |
| scoped_refptr<ResourceRequestBodyImpl> body_; |
| std::unique_ptr<storage::BlobDataHandle> request_body_blob_data_handle_; |
| ServiceWorkerFetchType fetch_type_; |
| base::Optional<base::TimeDelta> timeout_; |
| |
| ResponseBodyType response_body_type_ = UNKNOWN; |
| bool did_record_result_ = false; |
| |
| bool response_is_in_cache_storage_ = false; |
| std::string response_cache_storage_cache_name_; |
| |
| ServiceWorkerHeaderList cors_exposed_header_names_; |
| |
| std::unique_ptr<FileSizeResolver> file_size_resolver_; |
| |
| bool worker_already_activated_ = false; |
| EmbeddedWorkerStatus initial_worker_status_ = EmbeddedWorkerStatus::STOPPED; |
| |
| base::WeakPtrFactory<ServiceWorkerURLRequestJob> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ServiceWorkerURLRequestJob); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_ |