mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
891 lines
26 KiB
C
891 lines
26 KiB
C
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/* -*- 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 nsXMLHttpRequest_h__
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#define nsXMLHttpRequest_h__
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#include "mozilla/Attributes.h"
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#include "nsIXMLHttpRequest.h"
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#include "nsISupportsUtils.h"
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#include "nsString.h"
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#include "nsIURI.h"
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#include "nsIHttpChannel.h"
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#include "nsIDocument.h"
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#include "nsIStreamListener.h"
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#include "nsWeakReference.h"
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#include "nsIChannelEventSink.h"
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#include "nsIAsyncVerifyRedirectCallback.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIHttpHeaderVisitor.h"
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#include "nsIProgressEventSink.h"
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#include "nsJSUtils.h"
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#include "nsTArray.h"
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#include "nsITimer.h"
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#include "nsIPrincipal.h"
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#include "nsIScriptObjectPrincipal.h"
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#include "nsISizeOfEventTarget.h"
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#include "nsIXPConnect.h"
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#include "nsIInputStream.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/dom/TypedArray.h"
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#include "mozilla/dom/XMLHttpRequestBinding.h"
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#ifdef Status
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/* Xlib headers insist on this for some reason... Nuke it because
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it'll override our member name */
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#undef Status
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#endif
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class nsFormData;
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class nsIJARChannel;
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class nsILoadGroup;
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class nsIUnicodeDecoder;
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class nsIJSID;
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namespace mozilla {
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namespace dom {
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class Blob;
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class BlobSet;
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} // namespace dom
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// A helper for building up an ArrayBuffer object's data
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// before creating the ArrayBuffer itself. Will do doubling
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// based reallocation, up to an optional maximum growth given.
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//
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// When all the data has been appended, call getArrayBuffer,
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// passing in the JSContext* for which the ArrayBuffer object
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// is to be created. This also implicitly resets the builder,
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// or it can be reset explicitly at any point by calling reset().
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class ArrayBufferBuilder
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{
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uint8_t* mDataPtr;
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uint32_t mCapacity;
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uint32_t mLength;
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void* mMapPtr;
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public:
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ArrayBufferBuilder();
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~ArrayBufferBuilder();
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void reset();
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// Will truncate if aNewCap is < length().
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bool setCapacity(uint32_t aNewCap);
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// Append aDataLen bytes from data to the current buffer. If we
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// need to grow the buffer, grow by doubling the size up to a
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// maximum of aMaxGrowth (if given). If aDataLen is greater than
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// what the new capacity would end up as, then grow by aDataLen.
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//
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// The data parameter must not overlap with anything beyond the
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// builder's current valid contents [0..length)
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bool append(const uint8_t* aNewData, uint32_t aDataLen,
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uint32_t aMaxGrowth = 0);
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uint32_t length() { return mLength; }
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uint32_t capacity() { return mCapacity; }
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JSObject* getArrayBuffer(JSContext* aCx);
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// Memory mapping to starting position of file(aFile) in the zip
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// package(aJarFile).
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//
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// The file in the zip package has to be uncompressed and the starting
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// position of the file must be aligned according to array buffer settings
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// in JS engine.
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nsresult mapToFileInPackage(const nsCString& aFile, nsIFile* aJarFile);
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protected:
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static bool areOverlappingRegions(const uint8_t* aStart1, uint32_t aLength1,
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const uint8_t* aStart2, uint32_t aLength2);
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};
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} // namespace mozilla
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class nsXHREventTarget : public mozilla::DOMEventTargetHelper,
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public nsIXMLHttpRequestEventTarget
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{
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protected:
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explicit nsXHREventTarget(mozilla::DOMEventTargetHelper* aOwner)
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: mozilla::DOMEventTargetHelper(aOwner)
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{
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}
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nsXHREventTarget()
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{
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}
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virtual ~nsXHREventTarget() {}
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public:
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typedef mozilla::dom::XMLHttpRequestResponseType
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XMLHttpRequestResponseType;
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typedef mozilla::ErrorResult
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ErrorResult;
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsXHREventTarget,
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mozilla::DOMEventTargetHelper)
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NS_DECL_NSIXMLHTTPREQUESTEVENTTARGET
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NS_REALLY_FORWARD_NSIDOMEVENTTARGET(mozilla::DOMEventTargetHelper)
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IMPL_EVENT_HANDLER(loadstart)
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IMPL_EVENT_HANDLER(progress)
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IMPL_EVENT_HANDLER(abort)
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IMPL_EVENT_HANDLER(error)
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IMPL_EVENT_HANDLER(load)
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IMPL_EVENT_HANDLER(timeout)
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IMPL_EVENT_HANDLER(loadend)
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virtual void DisconnectFromOwner() override;
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};
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class nsXMLHttpRequestUpload final : public nsXHREventTarget,
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public nsIXMLHttpRequestUpload
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{
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public:
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explicit nsXMLHttpRequestUpload(mozilla::DOMEventTargetHelper* aOwner)
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: nsXHREventTarget(aOwner)
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{
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}
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NS_DECL_ISUPPORTS_INHERITED
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NS_FORWARD_NSIXMLHTTPREQUESTEVENTTARGET(nsXHREventTarget::)
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NS_REALLY_FORWARD_NSIDOMEVENTTARGET(nsXHREventTarget)
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NS_DECL_NSIXMLHTTPREQUESTUPLOAD
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virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
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nsISupports* GetParentObject()
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{
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return GetOwner();
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}
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bool HasListeners()
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{
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return mListenerManager && mListenerManager->HasListeners();
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}
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private:
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virtual ~nsXMLHttpRequestUpload() {}
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};
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class nsXMLHttpRequestXPCOMifier;
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// Make sure that any non-DOM interfaces added here are also added to
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// nsXMLHttpRequestXPCOMifier.
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class nsXMLHttpRequest final : public nsXHREventTarget,
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public nsIXMLHttpRequest,
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public nsIJSXMLHttpRequest,
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public nsIStreamListener,
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public nsIChannelEventSink,
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public nsIProgressEventSink,
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public nsIInterfaceRequestor,
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public nsSupportsWeakReference,
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public nsITimerCallback,
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public nsISizeOfEventTarget
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{
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friend class nsXHRParseEndListener;
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friend class nsXMLHttpRequestXPCOMifier;
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public:
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nsXMLHttpRequest();
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virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override
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{
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return mozilla::dom::XMLHttpRequestBinding::Wrap(cx, this, aGivenProto);
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}
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nsISupports* GetParentObject()
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{
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return GetOwner();
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}
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// The WebIDL constructors.
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static already_AddRefed<nsXMLHttpRequest>
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Constructor(const mozilla::dom::GlobalObject& aGlobal,
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JSContext* aCx,
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const mozilla::dom::MozXMLHttpRequestParameters& aParams,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
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nsCOMPtr<nsIScriptObjectPrincipal> principal =
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do_QueryInterface(aGlobal.GetAsSupports());
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if (!global || ! principal) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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RefPtr<nsXMLHttpRequest> req = new nsXMLHttpRequest();
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req->Construct(principal->GetPrincipal(), global);
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req->InitParameters(aParams.mMozAnon, aParams.mMozSystem);
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return req.forget();
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}
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static already_AddRefed<nsXMLHttpRequest>
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Constructor(const mozilla::dom::GlobalObject& aGlobal,
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JSContext* aCx,
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const nsAString& ignored,
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ErrorResult& aRv)
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{
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// Pretend like someone passed null, so we can pick up the default values
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mozilla::dom::MozXMLHttpRequestParameters params;
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if (!params.Init(aCx, JS::NullHandleValue)) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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return Constructor(aGlobal, aCx, params, aRv);
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}
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void Construct(nsIPrincipal* aPrincipal,
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nsIGlobalObject* aGlobalObject,
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nsIURI* aBaseURI = nullptr,
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nsILoadGroup* aLoadGroup = nullptr)
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{
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MOZ_ASSERT(aPrincipal);
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MOZ_ASSERT_IF(nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(
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aGlobalObject), win->IsInnerWindow());
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mPrincipal = aPrincipal;
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BindToOwner(aGlobalObject);
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mBaseURI = aBaseURI;
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mLoadGroup = aLoadGroup;
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}
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void InitParameters(bool aAnon, bool aSystem);
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void SetParameters(bool aAnon, bool aSystem)
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{
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mIsAnon = aAnon || aSystem;
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mIsSystem = aSystem;
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}
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NS_DECL_ISUPPORTS_INHERITED
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// nsIXMLHttpRequest
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NS_DECL_NSIXMLHTTPREQUEST
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NS_FORWARD_NSIXMLHTTPREQUESTEVENTTARGET(nsXHREventTarget::)
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// nsIStreamListener
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NS_DECL_NSISTREAMLISTENER
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// nsIRequestObserver
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NS_DECL_NSIREQUESTOBSERVER
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// nsIChannelEventSink
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NS_DECL_NSICHANNELEVENTSINK
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// nsIProgressEventSink
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NS_DECL_NSIPROGRESSEVENTSINK
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// nsIInterfaceRequestor
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NS_DECL_NSIINTERFACEREQUESTOR
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// nsITimerCallback
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NS_DECL_NSITIMERCALLBACK
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// nsISizeOfEventTarget
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virtual size_t
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SizeOfEventTargetIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
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NS_REALLY_FORWARD_NSIDOMEVENTTARGET(nsXHREventTarget)
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#ifdef DEBUG
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void StaticAssertions();
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#endif
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// event handler
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IMPL_EVENT_HANDLER(readystatechange)
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// states
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uint16_t ReadyState();
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// request
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void Open(const nsACString& aMethod, const nsAString& aUrl, ErrorResult& aRv)
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{
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Open(aMethod, aUrl, true,
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mozilla::dom::Optional<nsAString>(),
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mozilla::dom::Optional<nsAString>(),
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aRv);
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}
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void Open(const nsACString& aMethod, const nsAString& aUrl, bool aAsync,
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const mozilla::dom::Optional<nsAString>& aUser,
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const mozilla::dom::Optional<nsAString>& aPassword,
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ErrorResult& aRv)
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{
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aRv = Open(aMethod, NS_ConvertUTF16toUTF8(aUrl),
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aAsync, aUser, aPassword);
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}
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void SetRequestHeader(const nsACString& aHeader, const nsACString& aValue,
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ErrorResult& aRv)
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{
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aRv = SetRequestHeader(aHeader, aValue);
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}
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uint32_t Timeout()
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{
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return mTimeoutMilliseconds;
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}
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void SetTimeout(uint32_t aTimeout, ErrorResult& aRv);
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bool WithCredentials();
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void SetWithCredentials(bool aWithCredentials, ErrorResult& aRv);
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nsXMLHttpRequestUpload* Upload();
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private:
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virtual ~nsXMLHttpRequest();
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class RequestBody
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{
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public:
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RequestBody() : mType(Uninitialized)
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{
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}
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explicit RequestBody(const mozilla::dom::ArrayBuffer* aArrayBuffer) : mType(ArrayBuffer)
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{
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mValue.mArrayBuffer = aArrayBuffer;
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}
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explicit RequestBody(const mozilla::dom::ArrayBufferView* aArrayBufferView) : mType(ArrayBufferView)
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{
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mValue.mArrayBufferView = aArrayBufferView;
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}
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explicit RequestBody(mozilla::dom::Blob& aBlob) : mType(Blob)
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{
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mValue.mBlob = &aBlob;
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}
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explicit RequestBody(nsIDocument* aDocument) : mType(Document)
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{
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mValue.mDocument = aDocument;
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}
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explicit RequestBody(const nsAString& aString) : mType(DOMString)
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{
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mValue.mString = &aString;
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}
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explicit RequestBody(nsFormData& aFormData) : mType(FormData)
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{
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mValue.mFormData = &aFormData;
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}
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explicit RequestBody(nsIInputStream* aStream) : mType(InputStream)
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{
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mValue.mStream = aStream;
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}
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enum Type {
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Uninitialized,
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ArrayBuffer,
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ArrayBufferView,
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Blob,
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Document,
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DOMString,
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FormData,
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InputStream
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};
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union Value {
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const mozilla::dom::ArrayBuffer* mArrayBuffer;
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const mozilla::dom::ArrayBufferView* mArrayBufferView;
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mozilla::dom::Blob* mBlob;
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nsIDocument* mDocument;
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const nsAString* mString;
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nsFormData* mFormData;
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nsIInputStream* mStream;
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};
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Type GetType() const
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{
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MOZ_ASSERT(mType != Uninitialized);
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return mType;
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}
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Value GetValue() const
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{
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MOZ_ASSERT(mType != Uninitialized);
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return mValue;
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}
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private:
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Type mType;
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Value mValue;
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};
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static nsresult GetRequestBody(nsIVariant* aVariant,
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const Nullable<RequestBody>& aBody,
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nsIInputStream** aResult,
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uint64_t* aContentLength,
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nsACString& aContentType,
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nsACString& aCharset);
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nsresult Send(nsIVariant* aVariant, const Nullable<RequestBody>& aBody);
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nsresult Send(const Nullable<RequestBody>& aBody)
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{
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return Send(nullptr, aBody);
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}
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nsresult Send(const RequestBody& aBody)
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{
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return Send(Nullable<RequestBody>(aBody));
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}
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bool IsCrossSiteCORSRequest();
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bool IsDeniedCrossSiteCORSRequest();
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// Tell our channel what network interface ID we were told to use.
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// If it's an HTTP channel and we were told to use a non-default
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||
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// interface ID.
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void PopulateNetworkInterfaceId();
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public:
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void Send(JSContext* /*aCx*/, ErrorResult& aRv)
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{
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aRv = Send(Nullable<RequestBody>());
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}
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void Send(JSContext* /*aCx*/,
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const mozilla::dom::ArrayBuffer& aArrayBuffer,
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ErrorResult& aRv)
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{
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aRv = Send(RequestBody(&aArrayBuffer));
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}
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void Send(JSContext* /*aCx*/,
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|
const mozilla::dom::ArrayBufferView& aArrayBufferView,
|
||
|
ErrorResult& aRv)
|
||
|
{
|
||
|
aRv = Send(RequestBody(&aArrayBufferView));
|
||
|
}
|
||
|
void Send(JSContext* /*aCx*/, mozilla::dom::Blob& aBlob, ErrorResult& aRv)
|
||
|
{
|
||
|
aRv = Send(RequestBody(aBlob));
|
||
|
}
|
||
|
void Send(JSContext* /*aCx*/, nsIDocument& aDoc, ErrorResult& aRv)
|
||
|
{
|
||
|
aRv = Send(RequestBody(&aDoc));
|
||
|
}
|
||
|
void Send(JSContext* aCx, const nsAString& aString, ErrorResult& aRv)
|
||
|
{
|
||
|
if (DOMStringIsNull(aString)) {
|
||
|
Send(aCx, aRv);
|
||
|
}
|
||
|
else {
|
||
|
aRv = Send(RequestBody(aString));
|
||
|
}
|
||
|
}
|
||
|
void Send(JSContext* /*aCx*/, nsFormData& aFormData, ErrorResult& aRv)
|
||
|
{
|
||
|
aRv = Send(RequestBody(aFormData));
|
||
|
}
|
||
|
void Send(JSContext* aCx, nsIInputStream* aStream, ErrorResult& aRv)
|
||
|
{
|
||
|
NS_ASSERTION(aStream, "Null should go to string version");
|
||
|
nsCOMPtr<nsIXPConnectWrappedJS> wjs = do_QueryInterface(aStream);
|
||
|
if (wjs) {
|
||
|
JSObject* data = wjs->GetJSObject();
|
||
|
if (!data) {
|
||
|
aRv.Throw(NS_ERROR_DOM_TYPE_ERR);
|
||
|
return;
|
||
|
}
|
||
|
JS::Rooted<JS::Value> dataAsValue(aCx, JS::ObjectValue(*data));
|
||
|
nsAutoString dataAsString;
|
||
|
if (ConvertJSValueToString(aCx, dataAsValue, mozilla::dom::eNull,
|
||
|
mozilla::dom::eNull, dataAsString)) {
|
||
|
Send(aCx, dataAsString, aRv);
|
||
|
} else {
|
||
|
aRv.Throw(NS_ERROR_FAILURE);
|
||
|
}
|
||
|
return;
|
||
|
}
|
||
|
aRv = Send(RequestBody(aStream));
|
||
|
}
|
||
|
|
||
|
void Abort();
|
||
|
|
||
|
// response
|
||
|
void GetResponseURL(nsAString& aUrl);
|
||
|
uint32_t Status();
|
||
|
void GetStatusText(nsCString& aStatusText);
|
||
|
void GetResponseHeader(const nsACString& aHeader, nsACString& aResult,
|
||
|
ErrorResult& aRv);
|
||
|
void GetResponseHeader(const nsAString& aHeader, nsString& aResult,
|
||
|
ErrorResult& aRv)
|
||
|
{
|
||
|
nsCString result;
|
||
|
GetResponseHeader(NS_ConvertUTF16toUTF8(aHeader), result, aRv);
|
||
|
if (result.IsVoid()) {
|
||
|
aResult.SetIsVoid(true);
|
||
|
}
|
||
|
else {
|
||
|
// The result value should be inflated:
|
||
|
CopyASCIItoUTF16(result, aResult);
|
||
|
}
|
||
|
}
|
||
|
void GetAllResponseHeaders(nsCString& aResponseHeaders);
|
||
|
bool IsSafeHeader(const nsACString& aHeaderName, nsIHttpChannel* aHttpChannel);
|
||
|
void OverrideMimeType(const nsAString& aMimeType)
|
||
|
{
|
||
|
// XXX Should we do some validation here?
|
||
|
mOverrideMimeType = aMimeType;
|
||
|
}
|
||
|
XMLHttpRequestResponseType ResponseType()
|
||
|
{
|
||
|
return XMLHttpRequestResponseType(mResponseType);
|
||
|
}
|
||
|
void SetResponseType(XMLHttpRequestResponseType aType, ErrorResult& aRv);
|
||
|
void GetResponse(JSContext* aCx, JS::MutableHandle<JS::Value> aResponse,
|
||
|
ErrorResult& aRv);
|
||
|
void GetResponseText(nsString& aResponseText, ErrorResult& aRv);
|
||
|
nsIDocument* GetResponseXML(ErrorResult& aRv);
|
||
|
|
||
|
bool MozBackgroundRequest();
|
||
|
void SetMozBackgroundRequest(bool aMozBackgroundRequest, nsresult& aRv);
|
||
|
|
||
|
bool MozAnon();
|
||
|
bool MozSystem();
|
||
|
|
||
|
nsIChannel* GetChannel()
|
||
|
{
|
||
|
return mChannel;
|
||
|
}
|
||
|
|
||
|
void GetNetworkInterfaceId(nsACString& aId) const
|
||
|
{
|
||
|
aId = mNetworkInterfaceId;
|
||
|
}
|
||
|
|
||
|
void SetNetworkInterfaceId(const nsACString& aId)
|
||
|
{
|
||
|
mNetworkInterfaceId = aId;
|
||
|
}
|
||
|
|
||
|
// We need a GetInterface callable from JS for chrome JS
|
||
|
void GetInterface(JSContext* aCx, nsIJSID* aIID,
|
||
|
JS::MutableHandle<JS::Value> aRetval, ErrorResult& aRv);
|
||
|
|
||
|
// This creates a trusted readystatechange event, which is not cancelable and
|
||
|
// doesn't bubble.
|
||
|
nsresult CreateReadystatechangeEvent(nsIDOMEvent** aDOMEvent);
|
||
|
void DispatchProgressEvent(mozilla::DOMEventTargetHelper* aTarget,
|
||
|
const nsAString& aType,
|
||
|
bool aLengthComputable,
|
||
|
int64_t aLoaded, int64_t aTotal);
|
||
|
|
||
|
// Dispatch the "progress" event on the XHR or XHR.upload object if we've
|
||
|
// received data since the last "progress" event. Also dispatches
|
||
|
// "uploadprogress" as needed.
|
||
|
void MaybeDispatchProgressEvents(bool aFinalProgress);
|
||
|
|
||
|
// This is called by the factory constructor.
|
||
|
nsresult Init();
|
||
|
|
||
|
nsresult init(nsIPrincipal* principal,
|
||
|
nsIScriptContext* scriptContext,
|
||
|
nsPIDOMWindow* globalObject,
|
||
|
nsIURI* baseURI);
|
||
|
|
||
|
void SetRequestObserver(nsIRequestObserver* aObserver);
|
||
|
|
||
|
NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_INHERITED(nsXMLHttpRequest,
|
||
|
nsXHREventTarget)
|
||
|
bool AllowUploadProgress();
|
||
|
void RootJSResultObjects();
|
||
|
|
||
|
virtual void DisconnectFromOwner() override;
|
||
|
|
||
|
static void SetDontWarnAboutSyncXHR(bool aVal)
|
||
|
{
|
||
|
sDontWarnAboutSyncXHR = aVal;
|
||
|
}
|
||
|
static bool DontWarnAboutSyncXHR()
|
||
|
{
|
||
|
return sDontWarnAboutSyncXHR;
|
||
|
}
|
||
|
protected:
|
||
|
nsresult DetectCharset();
|
||
|
nsresult AppendToResponseText(const char * aBuffer, uint32_t aBufferLen);
|
||
|
static NS_METHOD StreamReaderFunc(nsIInputStream* in,
|
||
|
void* closure,
|
||
|
const char* fromRawSegment,
|
||
|
uint32_t toOffset,
|
||
|
uint32_t count,
|
||
|
uint32_t *writeCount);
|
||
|
nsresult CreateResponseParsedJSON(JSContext* aCx);
|
||
|
void CreatePartialBlob(ErrorResult& aRv);
|
||
|
bool CreateDOMBlob(nsIRequest *request);
|
||
|
// Change the state of the object with this. The broadcast argument
|
||
|
// determines if the onreadystatechange listener should be called.
|
||
|
nsresult ChangeState(uint32_t aState, bool aBroadcast = true);
|
||
|
already_AddRefed<nsILoadGroup> GetLoadGroup() const;
|
||
|
nsIURI *GetBaseURI();
|
||
|
|
||
|
already_AddRefed<nsIHttpChannel> GetCurrentHttpChannel();
|
||
|
already_AddRefed<nsIJARChannel> GetCurrentJARChannel();
|
||
|
|
||
|
bool IsSystemXHR();
|
||
|
|
||
|
void ChangeStateToDone();
|
||
|
|
||
|
void StartProgressEventTimer();
|
||
|
|
||
|
nsresult OnRedirectVerifyCallback(nsresult result);
|
||
|
|
||
|
nsresult Open(const nsACString& method, const nsACString& url, bool async,
|
||
|
const mozilla::dom::Optional<nsAString>& user,
|
||
|
const mozilla::dom::Optional<nsAString>& password);
|
||
|
|
||
|
already_AddRefed<nsXMLHttpRequestXPCOMifier> EnsureXPCOMifier();
|
||
|
|
||
|
nsCOMPtr<nsISupports> mContext;
|
||
|
nsCOMPtr<nsIPrincipal> mPrincipal;
|
||
|
nsCOMPtr<nsIChannel> mChannel;
|
||
|
nsCOMPtr<nsIDocument> mResponseXML;
|
||
|
nsTArray<nsCString> mCORSUnsafeHeaders;
|
||
|
|
||
|
nsCOMPtr<nsIStreamListener> mXMLParserStreamListener;
|
||
|
|
||
|
// used to implement getAllResponseHeaders()
|
||
|
class nsHeaderVisitor : public nsIHttpHeaderVisitor
|
||
|
{
|
||
|
public:
|
||
|
NS_DECL_ISUPPORTS
|
||
|
NS_DECL_NSIHTTPHEADERVISITOR
|
||
|
nsHeaderVisitor(nsXMLHttpRequest* aXMLHttpRequest, nsIHttpChannel* aHttpChannel)
|
||
|
: mXHR(aXMLHttpRequest), mHttpChannel(aHttpChannel) {}
|
||
|
const nsACString &Headers() { return mHeaders; }
|
||
|
private:
|
||
|
virtual ~nsHeaderVisitor() {}
|
||
|
|
||
|
nsCString mHeaders;
|
||
|
nsXMLHttpRequest* mXHR;
|
||
|
nsCOMPtr<nsIHttpChannel> mHttpChannel;
|
||
|
};
|
||
|
|
||
|
// The bytes of our response body. Only used for DEFAULT, ARRAYBUFFER and
|
||
|
// BLOB responseTypes
|
||
|
nsCString mResponseBody;
|
||
|
|
||
|
// The text version of our response body. This is incrementally decoded into
|
||
|
// as we receive network data. However for the DEFAULT responseType we
|
||
|
// lazily decode into this from mResponseBody only when .responseText is
|
||
|
// accessed.
|
||
|
// Only used for DEFAULT and TEXT responseTypes.
|
||
|
nsString mResponseText;
|
||
|
|
||
|
// For DEFAULT responseType we use this to keep track of how far we've
|
||
|
// lazily decoded from mResponseBody to mResponseText
|
||
|
uint32_t mResponseBodyDecodedPos;
|
||
|
|
||
|
// Decoder used for decoding into mResponseText
|
||
|
// Only used for DEFAULT, TEXT and JSON responseTypes.
|
||
|
// In cases where we've only received half a surrogate, the decoder itself
|
||
|
// carries the state to remember this. Next time we receive more data we
|
||
|
// simply feed the new data into the decoder which will handle the second
|
||
|
// part of the surrogate.
|
||
|
nsCOMPtr<nsIUnicodeDecoder> mDecoder;
|
||
|
|
||
|
nsCString mResponseCharset;
|
||
|
|
||
|
enum ResponseTypeEnum {
|
||
|
XML_HTTP_RESPONSE_TYPE_DEFAULT,
|
||
|
XML_HTTP_RESPONSE_TYPE_ARRAYBUFFER,
|
||
|
XML_HTTP_RESPONSE_TYPE_BLOB,
|
||
|
XML_HTTP_RESPONSE_TYPE_DOCUMENT,
|
||
|
XML_HTTP_RESPONSE_TYPE_JSON,
|
||
|
XML_HTTP_RESPONSE_TYPE_TEXT,
|
||
|
XML_HTTP_RESPONSE_TYPE_CHUNKED_TEXT,
|
||
|
XML_HTTP_RESPONSE_TYPE_CHUNKED_ARRAYBUFFER,
|
||
|
XML_HTTP_RESPONSE_TYPE_MOZ_BLOB
|
||
|
};
|
||
|
|
||
|
void SetResponseType(nsXMLHttpRequest::ResponseTypeEnum aType, ErrorResult& aRv);
|
||
|
|
||
|
ResponseTypeEnum mResponseType;
|
||
|
|
||
|
// It is either a cached blob-response from the last call to GetResponse,
|
||
|
// but is also explicitly set in OnStopRequest.
|
||
|
RefPtr<mozilla::dom::Blob> mResponseBlob;
|
||
|
// Non-null only when we are able to get a os-file representation of the
|
||
|
// response, i.e. when loading from a file.
|
||
|
RefPtr<mozilla::dom::Blob> mDOMBlob;
|
||
|
// We stream data to mBlobSet when response type is "blob" or "moz-blob"
|
||
|
// and mDOMBlob is null.
|
||
|
nsAutoPtr<mozilla::dom::BlobSet> mBlobSet;
|
||
|
|
||
|
nsString mOverrideMimeType;
|
||
|
|
||
|
/**
|
||
|
* The notification callbacks the channel had when Send() was
|
||
|
* called. We want to forward things here as needed.
|
||
|
*/
|
||
|
nsCOMPtr<nsIInterfaceRequestor> mNotificationCallbacks;
|
||
|
/**
|
||
|
* Sink interfaces that we implement that mNotificationCallbacks may
|
||
|
* want to also be notified for. These are inited lazily if we're
|
||
|
* asked for the relevant interface.
|
||
|
*/
|
||
|
nsCOMPtr<nsIChannelEventSink> mChannelEventSink;
|
||
|
nsCOMPtr<nsIProgressEventSink> mProgressEventSink;
|
||
|
|
||
|
nsIRequestObserver* mRequestObserver;
|
||
|
|
||
|
nsCOMPtr<nsIURI> mBaseURI;
|
||
|
nsCOMPtr<nsILoadGroup> mLoadGroup;
|
||
|
|
||
|
uint32_t mState;
|
||
|
|
||
|
RefPtr<nsXMLHttpRequestUpload> mUpload;
|
||
|
int64_t mUploadTransferred;
|
||
|
int64_t mUploadTotal;
|
||
|
bool mUploadLengthComputable;
|
||
|
bool mUploadComplete;
|
||
|
bool mProgressSinceLastProgressEvent;
|
||
|
|
||
|
// Timeout support
|
||
|
PRTime mRequestSentTime;
|
||
|
uint32_t mTimeoutMilliseconds;
|
||
|
nsCOMPtr<nsITimer> mTimeoutTimer;
|
||
|
void StartTimeoutTimer();
|
||
|
void HandleTimeoutCallback();
|
||
|
|
||
|
bool mErrorLoad;
|
||
|
bool mWaitingForOnStopRequest;
|
||
|
bool mProgressTimerIsActive;
|
||
|
bool mIsHtml;
|
||
|
bool mWarnAboutMultipartHtml;
|
||
|
bool mWarnAboutSyncHtml;
|
||
|
bool mLoadLengthComputable;
|
||
|
int64_t mLoadTotal; // 0 if not known.
|
||
|
// Amount of script-exposed (i.e. after undoing gzip compresion) data
|
||
|
// received.
|
||
|
uint64_t mDataAvailable;
|
||
|
// Number of HTTP message body bytes received so far. This quantity is
|
||
|
// in the same units as Content-Length and mLoadTotal, and hence counts
|
||
|
// compressed bytes when the channel has gzip Content-Encoding. If the
|
||
|
// channel does not have Content-Encoding, this will be the same as
|
||
|
// mDataReceived except between the OnProgress that changes mLoadTransferred
|
||
|
// and the corresponding OnDataAvailable (which changes mDataReceived).
|
||
|
// Ordering of OnProgress and OnDataAvailable is undefined.
|
||
|
int64_t mLoadTransferred;
|
||
|
nsCOMPtr<nsITimer> mProgressNotifier;
|
||
|
void HandleProgressTimerCallback();
|
||
|
|
||
|
bool mIsSystem;
|
||
|
bool mIsAnon;
|
||
|
|
||
|
// A platform-specific identifer to represent the network interface
|
||
|
// that this request is associated with.
|
||
|
nsCString mNetworkInterfaceId;
|
||
|
|
||
|
/**
|
||
|
* Close the XMLHttpRequest's channels and dispatch appropriate progress
|
||
|
* events.
|
||
|
*
|
||
|
* @param aType The progress event type.
|
||
|
* @param aFlag A XML_HTTP_REQUEST_* state flag defined in
|
||
|
* nsXMLHttpRequest.cpp.
|
||
|
*/
|
||
|
void CloseRequestWithError(const nsAString& aType, const uint32_t aFlag);
|
||
|
|
||
|
bool mFirstStartRequestSeen;
|
||
|
bool mInLoadProgressEvent;
|
||
|
|
||
|
nsCOMPtr<nsIAsyncVerifyRedirectCallback> mRedirectCallback;
|
||
|
nsCOMPtr<nsIChannel> mNewRedirectChannel;
|
||
|
|
||
|
JS::Heap<JS::Value> mResultJSON;
|
||
|
|
||
|
mozilla::ArrayBufferBuilder mArrayBufferBuilder;
|
||
|
JS::Heap<JSObject*> mResultArrayBuffer;
|
||
|
bool mIsMappedArrayBuffer;
|
||
|
|
||
|
void ResetResponse();
|
||
|
|
||
|
struct RequestHeader
|
||
|
{
|
||
|
nsCString header;
|
||
|
nsCString value;
|
||
|
};
|
||
|
nsTArray<RequestHeader> mModifiedRequestHeaders;
|
||
|
|
||
|
nsTHashtable<nsCStringHashKey> mAlreadySetHeaders;
|
||
|
|
||
|
// Helper object to manage our XPCOM scriptability bits
|
||
|
nsXMLHttpRequestXPCOMifier* mXPCOMifier;
|
||
|
|
||
|
static bool sDontWarnAboutSyncXHR;
|
||
|
};
|
||
|
|
||
|
class MOZ_STACK_CLASS AutoDontWarnAboutSyncXHR
|
||
|
{
|
||
|
public:
|
||
|
AutoDontWarnAboutSyncXHR() : mOldVal(nsXMLHttpRequest::DontWarnAboutSyncXHR())
|
||
|
{
|
||
|
nsXMLHttpRequest::SetDontWarnAboutSyncXHR(true);
|
||
|
}
|
||
|
|
||
|
~AutoDontWarnAboutSyncXHR()
|
||
|
{
|
||
|
nsXMLHttpRequest::SetDontWarnAboutSyncXHR(mOldVal);
|
||
|
}
|
||
|
|
||
|
private:
|
||
|
bool mOldVal;
|
||
|
};
|
||
|
|
||
|
// A shim class designed to expose the non-DOM interfaces of
|
||
|
// XMLHttpRequest via XPCOM stuff.
|
||
|
class nsXMLHttpRequestXPCOMifier final : public nsIStreamListener,
|
||
|
public nsIChannelEventSink,
|
||
|
public nsIAsyncVerifyRedirectCallback,
|
||
|
public nsIProgressEventSink,
|
||
|
public nsIInterfaceRequestor,
|
||
|
public nsITimerCallback
|
||
|
{
|
||
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
||
|
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXMLHttpRequestXPCOMifier,
|
||
|
nsIStreamListener)
|
||
|
|
||
|
explicit nsXMLHttpRequestXPCOMifier(nsXMLHttpRequest* aXHR) :
|
||
|
mXHR(aXHR)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
private:
|
||
|
~nsXMLHttpRequestXPCOMifier() {
|
||
|
if (mXHR) {
|
||
|
mXHR->mXPCOMifier = nullptr;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public:
|
||
|
NS_FORWARD_NSISTREAMLISTENER(mXHR->)
|
||
|
NS_FORWARD_NSIREQUESTOBSERVER(mXHR->)
|
||
|
NS_FORWARD_NSICHANNELEVENTSINK(mXHR->)
|
||
|
NS_FORWARD_NSIASYNCVERIFYREDIRECTCALLBACK(mXHR->)
|
||
|
NS_FORWARD_NSIPROGRESSEVENTSINK(mXHR->)
|
||
|
NS_FORWARD_NSITIMERCALLBACK(mXHR->)
|
||
|
|
||
|
NS_DECL_NSIINTERFACEREQUESTOR
|
||
|
|
||
|
private:
|
||
|
RefPtr<nsXMLHttpRequest> mXHR;
|
||
|
};
|
||
|
|
||
|
class nsXHRParseEndListener : public nsIDOMEventListener
|
||
|
{
|
||
|
public:
|
||
|
NS_DECL_ISUPPORTS
|
||
|
NS_IMETHOD HandleEvent(nsIDOMEvent *event) override
|
||
|
{
|
||
|
nsCOMPtr<nsIXMLHttpRequest> xhr = do_QueryReferent(mXHR);
|
||
|
if (xhr) {
|
||
|
static_cast<nsXMLHttpRequest*>(xhr.get())->ChangeStateToDone();
|
||
|
}
|
||
|
mXHR = nullptr;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
explicit nsXHRParseEndListener(nsIXMLHttpRequest* aXHR)
|
||
|
: mXHR(do_GetWeakReference(aXHR)) {}
|
||
|
private:
|
||
|
virtual ~nsXHRParseEndListener() {}
|
||
|
|
||
|
nsWeakPtr mXHR;
|
||
|
};
|
||
|
|
||
|
#endif
|