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cd40833835
There are two cases when reading request body by DOM methods: 1. It's being read before fetch() 2. or after fetch() The first case shouldn't be affected by abort signal per the spec, since the abort step is added only within fetch(). https://fetch.spec.whatwg.org/#ref-for-abortsignal-add The second case should still fail but with `TypeError: Body has already been consumed`, not AbortError. Differential Revision: https://phabricator.services.mozilla.com/D136262
150 lines
4.5 KiB
C++
150 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_Response_h
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#define mozilla_dom_Response_h
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#include "nsWrapperCache.h"
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#include "nsISupportsImpl.h"
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#include "mozilla/dom/Fetch.h"
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#include "mozilla/dom/ResponseBinding.h"
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#include "InternalHeaders.h"
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#include "InternalResponse.h"
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namespace mozilla {
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namespace ipc {
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class PrincipalInfo;
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} // namespace ipc
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namespace dom {
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class Headers;
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class Response final : public FetchBody<Response>, public nsWrapperCache {
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(Response,
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FetchBody<Response>)
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public:
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Response(nsIGlobalObject* aGlobal,
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SafeRefPtr<InternalResponse> aInternalResponse,
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AbortSignalImpl* aSignalImpl);
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Response(const Response& aOther) = delete;
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override {
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return Response_Binding::Wrap(aCx, this, aGivenProto);
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}
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ResponseType Type() const { return mInternalResponse->Type(); }
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void GetUrl(nsAString& aUrl) const {
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CopyUTF8toUTF16(mInternalResponse->GetURL(), aUrl);
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}
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bool Redirected() const { return mInternalResponse->IsRedirected(); }
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uint16_t Status() const { return mInternalResponse->GetStatus(); }
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bool Ok() const {
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return mInternalResponse->GetStatus() >= 200 &&
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mInternalResponse->GetStatus() <= 299;
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}
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void GetStatusText(nsCString& aStatusText) const {
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aStatusText = mInternalResponse->GetStatusText();
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}
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InternalHeaders* GetInternalHeaders() const {
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return mInternalResponse->Headers();
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}
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void InitChannelInfo(nsIChannel* aChannel) {
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mInternalResponse->InitChannelInfo(aChannel);
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}
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const ChannelInfo& GetChannelInfo() const {
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return mInternalResponse->GetChannelInfo();
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}
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const UniquePtr<mozilla::ipc::PrincipalInfo>& GetPrincipalInfo() const {
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return mInternalResponse->GetPrincipalInfo();
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}
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bool HasCacheInfoChannel() const {
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return mInternalResponse->HasCacheInfoChannel();
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}
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Headers* Headers_();
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void GetBody(nsIInputStream** aStream, int64_t* aBodyLength = nullptr) {
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mInternalResponse->GetBody(aStream, aBodyLength);
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}
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using FetchBody::GetBody;
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using FetchBody::BodyBlobURISpec;
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const nsACString& BodyBlobURISpec() const {
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return mInternalResponse->BodyBlobURISpec();
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}
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using FetchBody::BodyLocalPath;
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const nsAString& BodyLocalPath() const {
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return mInternalResponse->BodyLocalPath();
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}
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static already_AddRefed<Response> Error(const GlobalObject& aGlobal);
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static already_AddRefed<Response> Redirect(const GlobalObject& aGlobal,
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const nsAString& aUrl,
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uint16_t aStatus,
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ErrorResult& aRv);
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static already_AddRefed<Response> Constructor(
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const GlobalObject& aGlobal,
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const Nullable<fetch::ResponseBodyInit>& aBody, const ResponseInit& aInit,
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ErrorResult& rv);
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nsIGlobalObject* GetParentObject() const { return mOwner; }
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already_AddRefed<Response> Clone(JSContext* aCx, ErrorResult& aRv);
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already_AddRefed<Response> CloneUnfiltered(JSContext* aCx, ErrorResult& aRv);
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void SetBody(nsIInputStream* aBody, int64_t aBodySize);
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SafeRefPtr<InternalResponse> GetInternalResponse() const;
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AbortSignalImpl* GetSignalImpl() const override { return mSignalImpl; }
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AbortSignalImpl* GetSignalImplToConsumeBody() const final {
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// XXX: BodyConsumer is supposed to work in terms of ReadableStream and
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// should be affected by: https://fetch.spec.whatwg.org/#abort-fetch
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//
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// Step 6: If response’s body is not null and is readable, then error
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// response’s body with error.
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//
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// But since it's written before streams work, it's currently depending on
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// abort signal to be aborted.
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// Please fix this when DOM ReadableStream is ready. (Bug 1730584)
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return mSignalImpl;
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}
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private:
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~Response();
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SafeRefPtr<InternalResponse> mInternalResponse;
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// Lazily created
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RefPtr<Headers> mHeaders;
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RefPtr<AbortSignalImpl> mSignalImpl;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_Response_h
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