зеркало из https://github.com/mozilla/gecko-dev.git
429 строки
14 KiB
C++
429 строки
14 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_InternalRequest_h
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#define mozilla_dom_InternalRequest_h
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#include "mozilla/dom/HeadersBinding.h"
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#include "mozilla/dom/InternalHeaders.h"
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#include "mozilla/dom/RequestBinding.h"
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#include "mozilla/dom/SafeRefPtr.h"
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#include "mozilla/LoadTainting.h"
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#include "mozilla/UniquePtr.h"
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#include "nsIChannelEventSink.h"
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#include "nsIInputStream.h"
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#include "nsISupportsImpl.h"
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#ifdef DEBUG
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# include "nsIURLParser.h"
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# include "nsNetCID.h"
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# include "nsServiceManagerUtils.h"
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#endif
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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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/*
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* The mapping of RequestDestination and nsContentPolicyType is currently as the
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* following.
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*
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* RequestDestination| nsContentPolicyType
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* ------------------+--------------------
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* "audio" | TYPE_INTERNAL_AUDIO
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* "audioworklet" | TYPE_INTERNAL_AUDIOWORKLET
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* "document" | TYPE_DOCUMENT
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* "embed" | TYPE_INTERNAL_EMBED
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* "font" | TYPE_FONT, TYPE_INTERNAL_FONT_PRELOAD
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* "frame" | TYPE_INTERNAL_FRAME
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* "iframe" | TYPE_SUBDOCUMENT, TYPE_INTERNAL_IFRAME
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* "image" | TYPE_INTERNAL_IMAGE, TYPE_INTERNAL_IMAGE_PRELOAD,
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* | TYPE_IMAGE, TYPE_INTERNAL_IMAGE_FAVICON, TYPE_IMAGESET
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* "manifest" | TYPE_WEB_MANIFEST
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* "object" | TYPE_INTERNAL_OBJECT, TYPE_OBJECT
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* "paintworklet" | TYPE_INTERNAL_PAINTWORKLET
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* "report" | TYPE_CSP_REPORT
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* "script" | TYPE_INTERNAL_SCRIPT, TYPE_INTERNAL_SCRIPT_PRELOAD,
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* | TYPE_INTERNAL_MODULE, TYPE_INTERNAL_MODULE_PRELOAD,
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* | TYPE_SCRIPT,
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* | TYPE_INTERNAL_SERVICE_WORKER,
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* | TYPE_INTERNAL_WORKER_IMPORT_SCRIPTS,
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* | TYPE_INTERNAL_CHROMEUTILS_COMPILED_SCRIPT
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* | TYPE_INTERNAL_FRAME_MESSAGEMANAGER_SCRIPT
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* "sharedworker" | TYPE_INTERNAL_SHARED_WORKER
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* "serviceworker" | The spec lists this as a valid value for the enum,
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* | however it is impossible to observe a request with this
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* | destination value.
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* "style" | TYPE_INTERNAL_STYLESHEET,
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* | TYPE_INTERNAL_STYLESHEET_PRELOAD,
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* | TYPE_STYLESHEET
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* "track" | TYPE_INTERNAL_TRACK
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* "video" | TYPE_INTERNAL_VIDEO
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* "worker" | TYPE_INTERNAL_WORKER
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* "xslt" | TYPE_XSLT
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* "" | Default for everything else.
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*
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*/
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class IPCInternalRequest;
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class Request;
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#define kFETCH_CLIENT_REFERRER_STR "about:client"
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class InternalRequest final : public AtomicSafeRefCounted<InternalRequest> {
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friend class Request;
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public:
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MOZ_DECLARE_REFCOUNTED_TYPENAME(InternalRequest)
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InternalRequest(const nsACString& aURL, const nsACString& aFragment);
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InternalRequest(const nsACString& aURL, const nsACString& aFragment,
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const nsACString& aMethod,
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already_AddRefed<InternalHeaders> aHeaders,
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RequestCache aCacheMode, RequestMode aMode,
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RequestRedirect aRequestRedirect,
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RequestCredentials aRequestCredentials,
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const nsAString& aReferrer, ReferrerPolicy aReferrerPolicy,
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nsContentPolicyType aContentPolicyType,
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const nsAString& aIntegrity);
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explicit InternalRequest(const IPCInternalRequest& aIPCRequest);
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SafeRefPtr<InternalRequest> Clone();
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void GetMethod(nsCString& aMethod) const { aMethod.Assign(mMethod); }
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void SetMethod(const nsACString& aMethod) { mMethod.Assign(aMethod); }
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bool HasSimpleMethod() const {
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return mMethod.LowerCaseEqualsASCII("get") ||
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mMethod.LowerCaseEqualsASCII("post") ||
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mMethod.LowerCaseEqualsASCII("head");
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}
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// GetURL should get the request's current url with fragment. A request has
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// an associated current url. It is a pointer to the last fetch URL in
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// request's url list.
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void GetURL(nsACString& aURL) const {
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aURL.Assign(GetURLWithoutFragment());
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if (GetFragment().IsEmpty()) {
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return;
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}
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aURL.AppendLiteral("#");
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aURL.Append(GetFragment());
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}
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const nsCString& GetURLWithoutFragment() const {
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MOZ_RELEASE_ASSERT(!mURLList.IsEmpty(),
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"Internal Request's urlList should not be empty.");
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return mURLList.LastElement();
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}
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// A safe guard for ensuring that request's URL is only allowed to be set in a
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// sw internal redirect.
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void SetURLForInternalRedirect(const uint32_t aFlag, const nsACString& aURL,
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const nsACString& aFragment) {
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// Only check in debug build to prevent it from being used unexpectedly.
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MOZ_ASSERT(aFlag & nsIChannelEventSink::REDIRECT_INTERNAL);
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return SetURL(aURL, aFragment);
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}
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// AddURL should append the url into url list.
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// Normally we strip the fragment from the URL in Request::Constructor and
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// pass the fragment as the second argument into it.
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// If a fragment is present in the URL it must be stripped and passed in
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// separately.
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void AddURL(const nsACString& aURL, const nsACString& aFragment) {
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MOZ_ASSERT(!aURL.IsEmpty());
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MOZ_ASSERT(!aURL.Contains('#'));
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mURLList.AppendElement(aURL);
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mFragment.Assign(aFragment);
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}
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// Get the URL list without their fragments.
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void GetURLListWithoutFragment(nsTArray<nsCString>& aURLList) {
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aURLList.Assign(mURLList);
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}
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void GetReferrer(nsAString& aReferrer) const { aReferrer.Assign(mReferrer); }
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void SetReferrer(const nsAString& aReferrer) {
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#ifdef DEBUG
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bool validReferrer = false;
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if (aReferrer.IsEmpty() ||
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aReferrer.EqualsLiteral(kFETCH_CLIENT_REFERRER_STR)) {
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validReferrer = true;
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} else {
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nsCOMPtr<nsIURLParser> parser = do_GetService(NS_STDURLPARSER_CONTRACTID);
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if (!parser) {
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NS_WARNING("Could not get parser to validate URL!");
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} else {
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uint32_t schemePos;
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int32_t schemeLen;
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uint32_t authorityPos;
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int32_t authorityLen;
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uint32_t pathPos;
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int32_t pathLen;
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NS_ConvertUTF16toUTF8 ref(aReferrer);
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nsresult rv =
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parser->ParseURL(ref.get(), ref.Length(), &schemePos, &schemeLen,
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&authorityPos, &authorityLen, &pathPos, &pathLen);
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if (NS_FAILED(rv)) {
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NS_WARNING("Invalid referrer URL!");
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} else if (schemeLen < 0 || authorityLen < 0) {
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NS_WARNING("Invalid referrer URL!");
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} else {
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validReferrer = true;
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}
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}
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}
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MOZ_ASSERT(validReferrer);
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#endif
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mReferrer.Assign(aReferrer);
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}
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ReferrerPolicy ReferrerPolicy_() const { return mReferrerPolicy; }
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void SetReferrerPolicy(ReferrerPolicy aReferrerPolicy) {
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mReferrerPolicy = aReferrerPolicy;
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}
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ReferrerPolicy GetEnvironmentReferrerPolicy() const {
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return mEnvironmentReferrerPolicy;
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}
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void SetEnvironmentReferrerPolicy(ReferrerPolicy aReferrerPolicy) {
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mEnvironmentReferrerPolicy = aReferrerPolicy;
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}
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bool SkipServiceWorker() const { return mSkipServiceWorker; }
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void SetSkipServiceWorker() { mSkipServiceWorker = true; }
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bool IsSynchronous() const { return mSynchronous; }
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RequestMode Mode() const { return mMode; }
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void SetMode(RequestMode aMode) { mMode = aMode; }
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RequestCredentials GetCredentialsMode() const { return mCredentialsMode; }
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void SetCredentialsMode(RequestCredentials aCredentialsMode) {
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mCredentialsMode = aCredentialsMode;
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}
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LoadTainting GetResponseTainting() const { return mResponseTainting; }
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void MaybeIncreaseResponseTainting(LoadTainting aTainting) {
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if (aTainting > mResponseTainting) {
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mResponseTainting = aTainting;
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}
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}
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RequestCache GetCacheMode() const { return mCacheMode; }
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void SetCacheMode(RequestCache aCacheMode) { mCacheMode = aCacheMode; }
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RequestRedirect GetRedirectMode() const { return mRedirectMode; }
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void SetRedirectMode(RequestRedirect aRedirectMode) {
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mRedirectMode = aRedirectMode;
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}
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const nsString& GetIntegrity() const { return mIntegrity; }
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void SetIntegrity(const nsAString& aIntegrity) {
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mIntegrity.Assign(aIntegrity);
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}
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bool MozErrors() const { return mMozErrors; }
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void SetMozErrors() { mMozErrors = true; }
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const nsCString& GetFragment() const { return mFragment; }
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nsContentPolicyType ContentPolicyType() const { return mContentPolicyType; }
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void SetContentPolicyType(nsContentPolicyType aContentPolicyType);
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void OverrideContentPolicyType(nsContentPolicyType aContentPolicyType);
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RequestDestination Destination() const {
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return MapContentPolicyTypeToRequestDestination(mContentPolicyType);
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}
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bool UnsafeRequest() const { return mUnsafeRequest; }
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void SetUnsafeRequest() { mUnsafeRequest = true; }
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InternalHeaders* Headers() const { return mHeaders; }
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void SetHeaders(InternalHeaders* aHeaders) {
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MOZ_ASSERT(aHeaders);
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mHeaders = aHeaders;
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}
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void SetBody(nsIInputStream* aStream, int64_t aBodyLength) {
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// A request's body may not be reset once set.
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MOZ_ASSERT_IF(aStream, !mBodyStream);
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mBodyStream = aStream;
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mBodyLength = aBodyLength;
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}
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// Will return the original stream!
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// Use a tee or copy if you don't want to erase the original.
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void GetBody(nsIInputStream** aStream, int64_t* aBodyLength = nullptr) const {
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nsCOMPtr<nsIInputStream> s = mBodyStream;
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s.forget(aStream);
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if (aBodyLength) {
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*aBodyLength = mBodyLength;
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}
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}
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void SetBodyBlobURISpec(nsACString& aBlobURISpec) {
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mBodyBlobURISpec = aBlobURISpec;
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}
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const nsACString& BodyBlobURISpec() const { return mBodyBlobURISpec; }
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void SetBodyLocalPath(nsAString& aLocalPath) { mBodyLocalPath = aLocalPath; }
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const nsAString& BodyLocalPath() const { return mBodyLocalPath; }
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// The global is used as the client for the new object.
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SafeRefPtr<InternalRequest> GetRequestConstructorCopy(
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nsIGlobalObject* aGlobal, ErrorResult& aRv) const;
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bool IsNavigationRequest() const;
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bool IsWorkerRequest() const;
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bool IsClientRequest() const;
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void MaybeSkipCacheIfPerformingRevalidation();
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bool IsContentPolicyTypeOverridden() const {
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return mContentPolicyTypeOverridden;
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}
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static RequestMode MapChannelToRequestMode(nsIChannel* aChannel);
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static RequestCredentials MapChannelToRequestCredentials(
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nsIChannel* aChannel);
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// Takes ownership of the principal info.
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void SetPrincipalInfo(UniquePtr<mozilla::ipc::PrincipalInfo> aPrincipalInfo);
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const UniquePtr<mozilla::ipc::PrincipalInfo>& GetPrincipalInfo() const {
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return mPrincipalInfo;
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}
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const nsCString& GetPreferredAlternativeDataType() const {
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return mPreferredAlternativeDataType;
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}
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void SetPreferredAlternativeDataType(const nsACString& aDataType) {
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mPreferredAlternativeDataType = aDataType;
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}
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~InternalRequest();
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InternalRequest(const InternalRequest& aOther) = delete;
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void SetEmbedderPolicy(nsILoadInfo::CrossOriginEmbedderPolicy aPolicy) {
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mEmbedderPolicy = aPolicy;
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}
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nsILoadInfo::CrossOriginEmbedderPolicy GetEmbedderPolicy() const {
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return mEmbedderPolicy;
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}
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private:
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struct ConstructorGuard {};
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public:
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// Does not copy mBodyStream. Use fallible Clone() for complete copy.
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InternalRequest(const InternalRequest& aOther, ConstructorGuard);
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private:
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// Map the content policy type to the associated fetch destination, as defined
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// by the spec at https://fetch.spec.whatwg.org/#concept-request-destination.
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// Note that while the HTML spec for the "Link" element and its "as" attribute
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// (https://html.spec.whatwg.org/#attr-link-as) reuse fetch's definition of
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// destination.
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static RequestDestination MapContentPolicyTypeToRequestDestination(
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nsContentPolicyType aContentPolicyType);
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static bool IsNavigationContentPolicy(nsContentPolicyType aContentPolicyType);
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static bool IsWorkerContentPolicy(nsContentPolicyType aContentPolicyType);
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// It should only be called while there is a service-worker-internal-redirect.
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void SetURL(const nsACString& aURL, const nsACString& aFragment) {
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MOZ_ASSERT(!aURL.IsEmpty());
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MOZ_ASSERT(!aURL.Contains('#'));
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MOZ_ASSERT(mURLList.Length() > 0);
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mURLList.LastElement() = aURL;
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mFragment.Assign(aFragment);
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}
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nsCString mMethod;
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// mURLList: a list of one or more fetch URLs
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nsTArray<nsCString> mURLList;
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RefPtr<InternalHeaders> mHeaders;
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nsCString mBodyBlobURISpec;
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nsString mBodyLocalPath;
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nsCOMPtr<nsIInputStream> mBodyStream;
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int64_t mBodyLength;
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nsCString mPreferredAlternativeDataType;
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nsContentPolicyType mContentPolicyType;
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// Empty string: no-referrer
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// "about:client": client (default)
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// URL: an URL
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nsString mReferrer;
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ReferrerPolicy mReferrerPolicy;
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// This will be used for request created from Window or Worker contexts
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// In case there's no Referrer Policy in Request, this will be passed to
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// channel.
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ReferrerPolicy mEnvironmentReferrerPolicy;
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RequestMode mMode;
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RequestCredentials mCredentialsMode;
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LoadTainting mResponseTainting = LoadTainting::Basic;
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RequestCache mCacheMode;
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RequestRedirect mRedirectMode;
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nsString mIntegrity;
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bool mMozErrors = false;
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nsCString mFragment;
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bool mSkipServiceWorker = false;
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bool mSynchronous = false;
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bool mUnsafeRequest = false;
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bool mUseURLCredentials = false;
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// This is only set when Request.overrideContentPolicyType() has been set.
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// It is illegal to pass such a Request object to a fetch() method unless
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// if the caller has chrome privileges.
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bool mContentPolicyTypeOverridden = false;
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nsILoadInfo::CrossOriginEmbedderPolicy mEmbedderPolicy =
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nsILoadInfo::EMBEDDER_POLICY_NULL;
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UniquePtr<mozilla::ipc::PrincipalInfo> mPrincipalInfo;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_InternalRequest_h
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