| // 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. |
| |
| #include "content/child/web_url_request_util.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <limits> |
| |
| #include "base/logging.h" |
| #include "base/strings/string_util.h" |
| #include "net/base/load_flags.h" |
| #include "net/base/net_errors.h" |
| #include "third_party/WebKit/public/platform/FilePathConversion.h" |
| #include "third_party/WebKit/public/platform/WebCachePolicy.h" |
| #include "third_party/WebKit/public/platform/WebData.h" |
| #include "third_party/WebKit/public/platform/WebHTTPHeaderVisitor.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| #include "third_party/WebKit/public/platform/WebURL.h" |
| #include "third_party/WebKit/public/platform/WebURLError.h" |
| #include "third_party/WebKit/public/platform/WebURLRequest.h" |
| |
| using blink::WebCachePolicy; |
| using blink::WebData; |
| using blink::WebHTTPBody; |
| using blink::WebString; |
| using blink::WebURLRequest; |
| |
| namespace content { |
| |
| namespace { |
| |
| const char kThrottledErrorDescription[] = |
| "Request throttled. Visit http://dev.chromium.org/throttling for more " |
| "information."; |
| |
| class HeaderFlattener : public blink::WebHTTPHeaderVisitor { |
| public: |
| HeaderFlattener() {} |
| |
| void visitHeader(const WebString& name, const WebString& value) override { |
| // Headers are latin1. |
| const std::string& name_latin1 = name.latin1(); |
| const std::string& value_latin1 = value.latin1(); |
| |
| // Skip over referrer headers found in the header map because we already |
| // pulled it out as a separate parameter. |
| if (base::LowerCaseEqualsASCII(name_latin1, "referer")) |
| return; |
| |
| if (!buffer_.empty()) |
| buffer_.append("\r\n"); |
| buffer_.append(name_latin1 + ": " + value_latin1); |
| } |
| |
| const std::string& GetBuffer() { |
| return buffer_; |
| } |
| |
| private: |
| std::string buffer_; |
| }; |
| |
| } // namespace |
| |
| ResourceType WebURLRequestToResourceType(const WebURLRequest& request) { |
| WebURLRequest::RequestContext requestContext = request.getRequestContext(); |
| if (request.getFrameType() != WebURLRequest::FrameTypeNone) { |
| DCHECK(requestContext == WebURLRequest::RequestContextForm || |
| requestContext == WebURLRequest::RequestContextFrame || |
| requestContext == WebURLRequest::RequestContextHyperlink || |
| requestContext == WebURLRequest::RequestContextIframe || |
| requestContext == WebURLRequest::RequestContextInternal || |
| requestContext == WebURLRequest::RequestContextLocation); |
| if (request.getFrameType() == WebURLRequest::FrameTypeTopLevel || |
| request.getFrameType() == WebURLRequest::FrameTypeAuxiliary) { |
| return RESOURCE_TYPE_MAIN_FRAME; |
| } |
| if (request.getFrameType() == WebURLRequest::FrameTypeNested) |
| return RESOURCE_TYPE_SUB_FRAME; |
| NOTREACHED(); |
| return RESOURCE_TYPE_SUB_RESOURCE; |
| } |
| |
| switch (requestContext) { |
| // CSP report |
| case WebURLRequest::RequestContextCSPReport: |
| return RESOURCE_TYPE_CSP_REPORT; |
| |
| // Favicon |
| case WebURLRequest::RequestContextFavicon: |
| return RESOURCE_TYPE_FAVICON; |
| |
| // Font |
| case WebURLRequest::RequestContextFont: |
| return RESOURCE_TYPE_FONT_RESOURCE; |
| |
| // Image |
| case WebURLRequest::RequestContextImage: |
| case WebURLRequest::RequestContextImageSet: |
| return RESOURCE_TYPE_IMAGE; |
| |
| // Media |
| case WebURLRequest::RequestContextAudio: |
| case WebURLRequest::RequestContextVideo: |
| return RESOURCE_TYPE_MEDIA; |
| |
| // Object |
| case WebURLRequest::RequestContextEmbed: |
| case WebURLRequest::RequestContextObject: |
| return RESOURCE_TYPE_OBJECT; |
| |
| // Ping |
| case WebURLRequest::RequestContextBeacon: |
| case WebURLRequest::RequestContextPing: |
| return RESOURCE_TYPE_PING; |
| |
| // Subresource of plugins |
| case WebURLRequest::RequestContextPlugin: |
| return RESOURCE_TYPE_PLUGIN_RESOURCE; |
| |
| // Prefetch |
| case WebURLRequest::RequestContextPrefetch: |
| return RESOURCE_TYPE_PREFETCH; |
| |
| // Script |
| case WebURLRequest::RequestContextImport: |
| case WebURLRequest::RequestContextScript: |
| return RESOURCE_TYPE_SCRIPT; |
| |
| // Style |
| case WebURLRequest::RequestContextXSLT: |
| case WebURLRequest::RequestContextStyle: |
| return RESOURCE_TYPE_STYLESHEET; |
| |
| // Subresource |
| case WebURLRequest::RequestContextDownload: |
| case WebURLRequest::RequestContextManifest: |
| case WebURLRequest::RequestContextSubresource: |
| return RESOURCE_TYPE_SUB_RESOURCE; |
| |
| // TextTrack |
| case WebURLRequest::RequestContextTrack: |
| return RESOURCE_TYPE_MEDIA; |
| |
| // Workers |
| case WebURLRequest::RequestContextServiceWorker: |
| return RESOURCE_TYPE_SERVICE_WORKER; |
| case WebURLRequest::RequestContextSharedWorker: |
| return RESOURCE_TYPE_SHARED_WORKER; |
| case WebURLRequest::RequestContextWorker: |
| return RESOURCE_TYPE_WORKER; |
| |
| // Unspecified |
| case WebURLRequest::RequestContextInternal: |
| case WebURLRequest::RequestContextUnspecified: |
| return RESOURCE_TYPE_SUB_RESOURCE; |
| |
| // XHR |
| case WebURLRequest::RequestContextEventSource: |
| case WebURLRequest::RequestContextFetch: |
| case WebURLRequest::RequestContextXMLHttpRequest: |
| return RESOURCE_TYPE_XHR; |
| |
| // These should be handled by the FrameType checks at the top of the |
| // function. |
| case WebURLRequest::RequestContextForm: |
| case WebURLRequest::RequestContextHyperlink: |
| case WebURLRequest::RequestContextLocation: |
| case WebURLRequest::RequestContextFrame: |
| case WebURLRequest::RequestContextIframe: |
| NOTREACHED(); |
| return RESOURCE_TYPE_SUB_RESOURCE; |
| |
| default: |
| NOTREACHED(); |
| return RESOURCE_TYPE_SUB_RESOURCE; |
| } |
| } |
| |
| std::string GetWebURLRequestHeaders(const blink::WebURLRequest& request) { |
| HeaderFlattener flattener; |
| request.visitHTTPHeaderFields(&flattener); |
| return flattener.GetBuffer(); |
| } |
| |
| int GetLoadFlagsForWebURLRequest(const blink::WebURLRequest& request) { |
| int load_flags = net::LOAD_NORMAL; |
| GURL url = request.url(); |
| switch (request.getCachePolicy()) { |
| case WebCachePolicy::ValidatingCacheData: |
| load_flags |= net::LOAD_VALIDATE_CACHE; |
| break; |
| case WebCachePolicy::BypassingCache: |
| load_flags |= net::LOAD_BYPASS_CACHE; |
| break; |
| case WebCachePolicy::ReturnCacheDataElseLoad: |
| load_flags |= net::LOAD_PREFERRING_CACHE; |
| break; |
| case WebCachePolicy::ReturnCacheDataDontLoad: |
| load_flags |= net::LOAD_ONLY_FROM_CACHE; |
| break; |
| case WebCachePolicy::UseProtocolCachePolicy: |
| break; |
| default: |
| NOTREACHED(); |
| } |
| |
| if (!request.allowStoredCredentials()) { |
| load_flags |= net::LOAD_DO_NOT_SAVE_COOKIES; |
| load_flags |= net::LOAD_DO_NOT_SEND_COOKIES; |
| } |
| |
| if (!request.allowStoredCredentials()) |
| load_flags |= net::LOAD_DO_NOT_SEND_AUTH_DATA; |
| |
| return load_flags; |
| } |
| |
| WebHTTPBody GetWebHTTPBodyForRequestBody( |
| const scoped_refptr<ResourceRequestBodyImpl>& input) { |
| WebHTTPBody http_body; |
| http_body.initialize(); |
| http_body.setIdentifier(input->identifier()); |
| for (const auto& element : *input->elements()) { |
| switch (element.type()) { |
| case ResourceRequestBodyImpl::Element::TYPE_BYTES: |
| http_body.appendData(WebData(element.bytes(), element.length())); |
| break; |
| case ResourceRequestBodyImpl::Element::TYPE_FILE: |
| http_body.appendFileRange( |
| element.path().AsUTF16Unsafe(), element.offset(), |
| (element.length() != std::numeric_limits<uint64_t>::max()) |
| ? element.length() |
| : -1, |
| element.expected_modification_time().ToDoubleT()); |
| break; |
| case ResourceRequestBodyImpl::Element::TYPE_FILE_FILESYSTEM: |
| http_body.appendFileSystemURLRange( |
| element.filesystem_url(), element.offset(), |
| (element.length() != std::numeric_limits<uint64_t>::max()) |
| ? element.length() |
| : -1, |
| element.expected_modification_time().ToDoubleT()); |
| break; |
| case ResourceRequestBodyImpl::Element::TYPE_BLOB: |
| http_body.appendBlob(WebString::fromUTF8(element.blob_uuid())); |
| break; |
| case ResourceRequestBodyImpl::Element::TYPE_BYTES_DESCRIPTION: |
| case ResourceRequestBodyImpl::Element::TYPE_DISK_CACHE_ENTRY: |
| default: |
| NOTREACHED(); |
| break; |
| } |
| } |
| return http_body; |
| } |
| |
| scoped_refptr<ResourceRequestBodyImpl> GetRequestBodyForWebURLRequest( |
| const blink::WebURLRequest& request) { |
| scoped_refptr<ResourceRequestBodyImpl> request_body; |
| |
| if (request.httpBody().isNull()) { |
| return request_body; |
| } |
| |
| const std::string& method = request.httpMethod().latin1(); |
| // GET and HEAD requests shouldn't have http bodies. |
| DCHECK(method != "GET" && method != "HEAD"); |
| |
| return GetRequestBodyForWebHTTPBody(request.httpBody()); |
| } |
| |
| scoped_refptr<ResourceRequestBodyImpl> GetRequestBodyForWebHTTPBody( |
| const blink::WebHTTPBody& httpBody) { |
| scoped_refptr<ResourceRequestBodyImpl> request_body = |
| new ResourceRequestBodyImpl(); |
| size_t i = 0; |
| WebHTTPBody::Element element; |
| while (httpBody.elementAt(i++, element)) { |
| switch (element.type) { |
| case WebHTTPBody::Element::TypeData: |
| if (!element.data.isEmpty()) { |
| // Blink sometimes gives empty data to append. These aren't |
| // necessary so they are just optimized out here. |
| request_body->AppendBytes( |
| element.data.data(), static_cast<int>(element.data.size())); |
| } |
| break; |
| case WebHTTPBody::Element::TypeFile: |
| if (element.fileLength == -1) { |
| request_body->AppendFileRange( |
| blink::WebStringToFilePath(element.filePath), 0, |
| std::numeric_limits<uint64_t>::max(), base::Time()); |
| } else { |
| request_body->AppendFileRange( |
| blink::WebStringToFilePath(element.filePath), |
| static_cast<uint64_t>(element.fileStart), |
| static_cast<uint64_t>(element.fileLength), |
| base::Time::FromDoubleT(element.modificationTime)); |
| } |
| break; |
| case WebHTTPBody::Element::TypeFileSystemURL: { |
| GURL file_system_url = element.fileSystemURL; |
| DCHECK(file_system_url.SchemeIsFileSystem()); |
| request_body->AppendFileSystemFileRange( |
| file_system_url, static_cast<uint64_t>(element.fileStart), |
| static_cast<uint64_t>(element.fileLength), |
| base::Time::FromDoubleT(element.modificationTime)); |
| break; |
| } |
| case WebHTTPBody::Element::TypeBlob: |
| request_body->AppendBlob(element.blobUUID.utf8()); |
| break; |
| default: |
| NOTREACHED(); |
| } |
| } |
| request_body->set_identifier(httpBody.identifier()); |
| return request_body; |
| } |
| |
| #define STATIC_ASSERT_ENUM(a, b) \ |
| static_assert(static_cast<int>(a) == static_cast<int>(b), \ |
| "mismatching enums: " #a) |
| |
| STATIC_ASSERT_ENUM(FETCH_REQUEST_MODE_SAME_ORIGIN, |
| WebURLRequest::FetchRequestModeSameOrigin); |
| STATIC_ASSERT_ENUM(FETCH_REQUEST_MODE_NO_CORS, |
| WebURLRequest::FetchRequestModeNoCORS); |
| STATIC_ASSERT_ENUM(FETCH_REQUEST_MODE_CORS, |
| WebURLRequest::FetchRequestModeCORS); |
| STATIC_ASSERT_ENUM(FETCH_REQUEST_MODE_CORS_WITH_FORCED_PREFLIGHT, |
| WebURLRequest::FetchRequestModeCORSWithForcedPreflight); |
| STATIC_ASSERT_ENUM(FETCH_REQUEST_MODE_NAVIGATE, |
| WebURLRequest::FetchRequestModeNavigate); |
| |
| FetchRequestMode GetFetchRequestModeForWebURLRequest( |
| const blink::WebURLRequest& request) { |
| return static_cast<FetchRequestMode>(request.getFetchRequestMode()); |
| } |
| |
| STATIC_ASSERT_ENUM(FETCH_CREDENTIALS_MODE_OMIT, |
| WebURLRequest::FetchCredentialsModeOmit); |
| STATIC_ASSERT_ENUM(FETCH_CREDENTIALS_MODE_SAME_ORIGIN, |
| WebURLRequest::FetchCredentialsModeSameOrigin); |
| STATIC_ASSERT_ENUM(FETCH_CREDENTIALS_MODE_INCLUDE, |
| WebURLRequest::FetchCredentialsModeInclude); |
| STATIC_ASSERT_ENUM(FETCH_CREDENTIALS_MODE_PASSWORD, |
| WebURLRequest::FetchCredentialsModePassword); |
| |
| FetchCredentialsMode GetFetchCredentialsModeForWebURLRequest( |
| const blink::WebURLRequest& request) { |
| return static_cast<FetchCredentialsMode>(request.getFetchCredentialsMode()); |
| } |
| |
| STATIC_ASSERT_ENUM(FetchRedirectMode::FOLLOW_MODE, |
| WebURLRequest::FetchRedirectModeFollow); |
| STATIC_ASSERT_ENUM(FetchRedirectMode::ERROR_MODE, |
| WebURLRequest::FetchRedirectModeError); |
| STATIC_ASSERT_ENUM(FetchRedirectMode::MANUAL_MODE, |
| WebURLRequest::FetchRedirectModeManual); |
| |
| FetchRedirectMode GetFetchRedirectModeForWebURLRequest( |
| const blink::WebURLRequest& request) { |
| return static_cast<FetchRedirectMode>(request.getFetchRedirectMode()); |
| } |
| |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_FRAME_TYPE_AUXILIARY, |
| WebURLRequest::FrameTypeAuxiliary); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_FRAME_TYPE_NESTED, |
| WebURLRequest::FrameTypeNested); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_FRAME_TYPE_NONE, |
| WebURLRequest::FrameTypeNone); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_FRAME_TYPE_TOP_LEVEL, |
| WebURLRequest::FrameTypeTopLevel); |
| |
| RequestContextFrameType GetRequestContextFrameTypeForWebURLRequest( |
| const blink::WebURLRequest& request) { |
| return static_cast<RequestContextFrameType>(request.getFrameType()); |
| } |
| |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_UNSPECIFIED, |
| WebURLRequest::RequestContextUnspecified); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_AUDIO, |
| WebURLRequest::RequestContextAudio); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_BEACON, |
| WebURLRequest::RequestContextBeacon); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_CSP_REPORT, |
| WebURLRequest::RequestContextCSPReport); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_DOWNLOAD, |
| WebURLRequest::RequestContextDownload); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_EMBED, |
| WebURLRequest::RequestContextEmbed); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_EVENT_SOURCE, |
| WebURLRequest::RequestContextEventSource); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_FAVICON, |
| WebURLRequest::RequestContextFavicon); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_FETCH, |
| WebURLRequest::RequestContextFetch); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_FONT, |
| WebURLRequest::RequestContextFont); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_FORM, |
| WebURLRequest::RequestContextForm); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_FRAME, |
| WebURLRequest::RequestContextFrame); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_HYPERLINK, |
| WebURLRequest::RequestContextHyperlink); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_IFRAME, |
| WebURLRequest::RequestContextIframe); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_IMAGE, |
| WebURLRequest::RequestContextImage); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_IMAGE_SET, |
| WebURLRequest::RequestContextImageSet); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_IMPORT, |
| WebURLRequest::RequestContextImport); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_INTERNAL, |
| WebURLRequest::RequestContextInternal); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_LOCATION, |
| WebURLRequest::RequestContextLocation); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_MANIFEST, |
| WebURLRequest::RequestContextManifest); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_OBJECT, |
| WebURLRequest::RequestContextObject); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_PING, |
| WebURLRequest::RequestContextPing); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_PLUGIN, |
| WebURLRequest::RequestContextPlugin); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_PREFETCH, |
| WebURLRequest::RequestContextPrefetch); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_SCRIPT, |
| WebURLRequest::RequestContextScript); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_SERVICE_WORKER, |
| WebURLRequest::RequestContextServiceWorker); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_SHARED_WORKER, |
| WebURLRequest::RequestContextSharedWorker); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_SUBRESOURCE, |
| WebURLRequest::RequestContextSubresource); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_STYLE, |
| WebURLRequest::RequestContextStyle); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_TRACK, |
| WebURLRequest::RequestContextTrack); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_VIDEO, |
| WebURLRequest::RequestContextVideo); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_WORKER, |
| WebURLRequest::RequestContextWorker); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_XML_HTTP_REQUEST, |
| WebURLRequest::RequestContextXMLHttpRequest); |
| STATIC_ASSERT_ENUM(REQUEST_CONTEXT_TYPE_XSLT, |
| WebURLRequest::RequestContextXSLT); |
| |
| RequestContextType GetRequestContextTypeForWebURLRequest( |
| const blink::WebURLRequest& request) { |
| return static_cast<RequestContextType>(request.getRequestContext()); |
| } |
| |
| blink::WebURLError CreateWebURLError(const blink::WebURL& unreachable_url, |
| bool stale_copy_in_cache, |
| int reason) { |
| blink::WebURLError error; |
| error.domain = WebString::fromUTF8(net::kErrorDomain); |
| error.reason = reason; |
| error.unreachableURL = unreachable_url; |
| error.staleCopyInCache = stale_copy_in_cache; |
| if (reason == net::ERR_ABORTED) { |
| error.isCancellation = true; |
| } else if (reason == net::ERR_TEMPORARILY_THROTTLED) { |
| error.localizedDescription = |
| WebString::fromUTF8(kThrottledErrorDescription); |
| } else { |
| error.localizedDescription = |
| WebString::fromUTF8(net::ErrorToString(reason)); |
| } |
| return error; |
| } |
| |
| blink::WebURLError CreateWebURLError(const blink::WebURL& unreachable_url, |
| bool stale_copy_in_cache, |
| int reason, |
| bool was_ignored_by_handler) { |
| blink::WebURLError error = |
| CreateWebURLError(unreachable_url, stale_copy_in_cache, reason); |
| error.wasIgnoredByHandler = was_ignored_by_handler; |
| return error; |
| } |
| |
| } // namespace content |
