forked from mirrors/gecko-dev
f7cb24cc7e
Backed out changeset e9b4ca0ee700 (bug1648141) Backed out changeset b9bb847cee47 (bug1648141) Backed out changeset 11dfce46ec14 (bug1648141) Backed out changeset d824d2f67f27 (bug1648141) Backed out changeset e5b8292e7095 (bug1648141) Backed out changeset c1a3d5fa0c61 (bug1648141) Backed out changeset 24fdb83db3cd (bug1648141) Backed out changeset 749d894dde52 (bug1648141)
435 lines
16 KiB
C++
435 lines
16 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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#include "InternalRequest.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/FetchTypes.h"
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#include "mozilla/dom/IPCBlobInputStreamChild.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/dom/WorkerCommon.h"
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#include "mozilla/dom/WorkerPrivate.h"
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#include "mozilla/ipc/IPCStreamUtils.h"
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#include "mozilla/ipc/PBackgroundChild.h"
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#include "nsIContentPolicy.h"
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#include "nsStreamUtils.h"
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namespace mozilla {
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namespace dom {
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// The global is used to extract the principal.
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SafeRefPtr<InternalRequest> InternalRequest::GetRequestConstructorCopy(
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nsIGlobalObject* aGlobal, ErrorResult& aRv) const {
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MOZ_RELEASE_ASSERT(!mURLList.IsEmpty(),
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"Internal Request's urlList should not be empty when "
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"copied from constructor.");
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auto copy =
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MakeSafeRefPtr<InternalRequest>(mURLList.LastElement(), mFragment);
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copy->SetMethod(mMethod);
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copy->mHeaders = new InternalHeaders(*mHeaders);
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copy->SetUnsafeRequest();
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copy->mBodyStream = mBodyStream;
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copy->mBodyLength = mBodyLength;
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// The "client" is not stored in our implementation. Fetch API users should
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// use the appropriate window/document/principal and other Gecko security
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// mechanisms as appropriate.
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copy->mReferrer = mReferrer;
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copy->mReferrerPolicy = mReferrerPolicy;
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copy->mEnvironmentReferrerPolicy = mEnvironmentReferrerPolicy;
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copy->mIntegrity = mIntegrity;
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copy->mMozErrors = mMozErrors;
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copy->mContentPolicyType = mContentPolicyTypeOverridden
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? mContentPolicyType
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: nsIContentPolicy::TYPE_FETCH;
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copy->mMode = mMode;
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copy->mCredentialsMode = mCredentialsMode;
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copy->mCacheMode = mCacheMode;
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copy->mRedirectMode = mRedirectMode;
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copy->mContentPolicyTypeOverridden = mContentPolicyTypeOverridden;
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copy->mPreferredAlternativeDataType = mPreferredAlternativeDataType;
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return copy;
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}
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SafeRefPtr<InternalRequest> InternalRequest::Clone() {
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auto clone = MakeSafeRefPtr<InternalRequest>(*this, ConstructorGuard{});
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if (!mBodyStream) {
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return clone;
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}
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nsCOMPtr<nsIInputStream> clonedBody;
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nsCOMPtr<nsIInputStream> replacementBody;
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nsresult rv = NS_CloneInputStream(mBodyStream, getter_AddRefs(clonedBody),
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getter_AddRefs(replacementBody));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return nullptr;
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}
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clone->mBodyStream.swap(clonedBody);
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if (replacementBody) {
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mBodyStream.swap(replacementBody);
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}
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return clone;
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}
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InternalRequest::InternalRequest(const nsACString& aURL,
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const nsACString& aFragment)
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: mMethod("GET"),
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mHeaders(new InternalHeaders(HeadersGuardEnum::None)),
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mBodyLength(InternalResponse::UNKNOWN_BODY_SIZE),
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mContentPolicyType(nsIContentPolicy::TYPE_FETCH),
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mReferrer(NS_LITERAL_STRING(kFETCH_CLIENT_REFERRER_STR)),
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mReferrerPolicy(ReferrerPolicy::_empty),
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mEnvironmentReferrerPolicy(ReferrerPolicy::_empty),
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mMode(RequestMode::No_cors),
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mCredentialsMode(RequestCredentials::Omit),
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mCacheMode(RequestCache::Default),
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mRedirectMode(RequestRedirect::Follow) {
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MOZ_ASSERT(!aURL.IsEmpty());
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AddURL(aURL, aFragment);
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}
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InternalRequest::InternalRequest(
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const nsACString& aURL, const nsACString& aFragment,
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const nsACString& aMethod, already_AddRefed<InternalHeaders> aHeaders,
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RequestCache aCacheMode, RequestMode aMode,
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RequestRedirect aRequestRedirect, RequestCredentials aRequestCredentials,
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const nsAString& aReferrer, ReferrerPolicy aReferrerPolicy,
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nsContentPolicyType aContentPolicyType, const nsAString& aIntegrity)
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: mMethod(aMethod),
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mHeaders(aHeaders),
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mBodyLength(InternalResponse::UNKNOWN_BODY_SIZE),
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mContentPolicyType(aContentPolicyType),
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mReferrer(aReferrer),
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mReferrerPolicy(aReferrerPolicy),
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mEnvironmentReferrerPolicy(ReferrerPolicy::_empty),
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mMode(aMode),
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mCredentialsMode(aRequestCredentials),
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mCacheMode(aCacheMode),
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mRedirectMode(aRequestRedirect),
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mIntegrity(aIntegrity) {
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MOZ_ASSERT(!aURL.IsEmpty());
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AddURL(aURL, aFragment);
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}
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InternalRequest::InternalRequest(const InternalRequest& aOther,
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ConstructorGuard)
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: mMethod(aOther.mMethod),
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mURLList(aOther.mURLList.Clone()),
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mHeaders(new InternalHeaders(*aOther.mHeaders)),
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mBodyLength(InternalResponse::UNKNOWN_BODY_SIZE),
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mContentPolicyType(aOther.mContentPolicyType),
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mReferrer(aOther.mReferrer),
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mReferrerPolicy(aOther.mReferrerPolicy),
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mEnvironmentReferrerPolicy(aOther.mEnvironmentReferrerPolicy),
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mMode(aOther.mMode),
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mCredentialsMode(aOther.mCredentialsMode),
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mResponseTainting(aOther.mResponseTainting),
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mCacheMode(aOther.mCacheMode),
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mRedirectMode(aOther.mRedirectMode),
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mIntegrity(aOther.mIntegrity),
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mMozErrors(aOther.mMozErrors),
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mFragment(aOther.mFragment),
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mSkipServiceWorker(aOther.mSkipServiceWorker),
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mSynchronous(aOther.mSynchronous),
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mUnsafeRequest(aOther.mUnsafeRequest),
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mUseURLCredentials(aOther.mUseURLCredentials),
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mContentPolicyTypeOverridden(aOther.mContentPolicyTypeOverridden) {
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// NOTE: does not copy body stream... use the fallible Clone() for that
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}
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InternalRequest::InternalRequest(const IPCInternalRequest& aIPCRequest)
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: mMethod(aIPCRequest.method()),
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mURLList(aIPCRequest.urlList().Clone()),
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mHeaders(new InternalHeaders(aIPCRequest.headers(),
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aIPCRequest.headersGuard())),
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mBodyLength(aIPCRequest.bodySize()),
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mPreferredAlternativeDataType(aIPCRequest.preferredAlternativeDataType()),
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mContentPolicyType(
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static_cast<nsContentPolicyType>(aIPCRequest.contentPolicyType())),
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mReferrer(aIPCRequest.referrer()),
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mReferrerPolicy(aIPCRequest.referrerPolicy()),
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mMode(aIPCRequest.requestMode()),
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mCredentialsMode(aIPCRequest.requestCredentials()),
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mCacheMode(aIPCRequest.cacheMode()),
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mRedirectMode(aIPCRequest.requestRedirect()),
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mIntegrity(aIPCRequest.integrity()),
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mFragment(aIPCRequest.fragment()) {
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if (aIPCRequest.principalInfo()) {
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mPrincipalInfo = MakeUnique<mozilla::ipc::PrincipalInfo>(
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aIPCRequest.principalInfo().ref());
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}
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const Maybe<BodyStreamVariant>& body = aIPCRequest.body();
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// This constructor is (currently) only used for parent -> child communication
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// (constructed on the child side).
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if (body) {
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MOZ_ASSERT(body->type() == BodyStreamVariant::TParentToChildStream);
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mBodyStream = static_cast<IPCBlobInputStreamChild*>(
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body->get_ParentToChildStream().actorChild())
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->CreateStream();
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}
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}
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InternalRequest::~InternalRequest() = default;
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void InternalRequest::SetContentPolicyType(
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nsContentPolicyType aContentPolicyType) {
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mContentPolicyType = aContentPolicyType;
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}
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void InternalRequest::OverrideContentPolicyType(
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nsContentPolicyType aContentPolicyType) {
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SetContentPolicyType(aContentPolicyType);
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mContentPolicyTypeOverridden = true;
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}
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/* static */
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RequestDestination InternalRequest::MapContentPolicyTypeToRequestDestination(
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nsContentPolicyType aContentPolicyType) {
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RequestDestination destination = RequestDestination::_empty;
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switch (aContentPolicyType) {
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case nsIContentPolicy::TYPE_OTHER:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_SCRIPT:
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case nsIContentPolicy::TYPE_INTERNAL_SCRIPT_PRELOAD:
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case nsIContentPolicy::TYPE_INTERNAL_MODULE:
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case nsIContentPolicy::TYPE_INTERNAL_MODULE_PRELOAD:
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case nsIContentPolicy::TYPE_INTERNAL_SERVICE_WORKER:
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case nsIContentPolicy::TYPE_INTERNAL_WORKER_IMPORT_SCRIPTS:
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case nsIContentPolicy::TYPE_SCRIPT:
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destination = RequestDestination::Script;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_WORKER:
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destination = RequestDestination::Worker;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_SHARED_WORKER:
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destination = RequestDestination::Sharedworker;
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break;
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case nsIContentPolicy::TYPE_IMAGESET:
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case nsIContentPolicy::TYPE_INTERNAL_IMAGE:
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case nsIContentPolicy::TYPE_INTERNAL_IMAGE_PRELOAD:
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case nsIContentPolicy::TYPE_INTERNAL_IMAGE_FAVICON:
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case nsIContentPolicy::TYPE_IMAGE:
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destination = RequestDestination::Image;
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break;
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case nsIContentPolicy::TYPE_STYLESHEET:
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case nsIContentPolicy::TYPE_INTERNAL_STYLESHEET:
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case nsIContentPolicy::TYPE_INTERNAL_STYLESHEET_PRELOAD:
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destination = RequestDestination::Style;
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break;
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case nsIContentPolicy::TYPE_OBJECT:
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case nsIContentPolicy::TYPE_INTERNAL_OBJECT:
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destination = RequestDestination::Object;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_EMBED:
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destination = RequestDestination::Embed;
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break;
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case nsIContentPolicy::TYPE_DOCUMENT:
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case nsIContentPolicy::TYPE_SUBDOCUMENT:
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case nsIContentPolicy::TYPE_INTERNAL_IFRAME:
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destination = RequestDestination::Document;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_FRAME:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_REFRESH:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_PING:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_XMLHTTPREQUEST:
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case nsIContentPolicy::TYPE_INTERNAL_XMLHTTPREQUEST:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_EVENTSOURCE:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_OBJECT_SUBREQUEST:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_DTD:
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case nsIContentPolicy::TYPE_INTERNAL_DTD:
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case nsIContentPolicy::TYPE_INTERNAL_FORCE_ALLOWED_DTD:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_FONT:
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case nsIContentPolicy::TYPE_INTERNAL_FONT_PRELOAD:
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destination = RequestDestination::Font;
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break;
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case nsIContentPolicy::TYPE_MEDIA:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_AUDIO:
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destination = RequestDestination::Audio;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_VIDEO:
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destination = RequestDestination::Video;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_TRACK:
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destination = RequestDestination::Track;
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break;
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case nsIContentPolicy::TYPE_WEBSOCKET:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_CSP_REPORT:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_XSLT:
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destination = RequestDestination::Xslt;
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break;
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case nsIContentPolicy::TYPE_BEACON:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_FETCH:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_WEB_MANIFEST:
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destination = RequestDestination::Manifest;
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break;
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case nsIContentPolicy::TYPE_SAVEAS_DOWNLOAD:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_SPECULATIVE:
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destination = RequestDestination::_empty;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_AUDIOWORKLET:
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destination = RequestDestination::Audioworklet;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_PAINTWORKLET:
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destination = RequestDestination::Paintworklet;
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break;
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default:
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MOZ_ASSERT(false, "Unhandled nsContentPolicyType value");
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break;
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}
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return destination;
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}
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// static
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bool InternalRequest::IsNavigationContentPolicy(
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nsContentPolicyType aContentPolicyType) {
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// https://fetch.spec.whatwg.org/#navigation-request-context
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//
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// A navigation request context is one of "form", "frame", "hyperlink",
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// "iframe", "internal" (as long as context frame type is not "none"),
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// "location", "metarefresh", and "prerender".
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//
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// Note, all of these request types are effectively initiated by nsDocShell.
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//
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// The TYPE_REFRESH is used in some code paths for metarefresh, but will not
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// be seen during the actual load. Instead the new load gets a normal
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// nsDocShell policy type. We include it here in case this utility method
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// is called before the load starts.
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return aContentPolicyType == nsIContentPolicy::TYPE_DOCUMENT ||
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aContentPolicyType == nsIContentPolicy::TYPE_SUBDOCUMENT ||
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aContentPolicyType == nsIContentPolicy::TYPE_INTERNAL_FRAME ||
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aContentPolicyType == nsIContentPolicy::TYPE_INTERNAL_IFRAME ||
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aContentPolicyType == nsIContentPolicy::TYPE_REFRESH;
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}
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// static
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bool InternalRequest::IsWorkerContentPolicy(
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nsContentPolicyType aContentPolicyType) {
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// https://fetch.spec.whatwg.org/#worker-request-context
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//
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// A worker request context is one of "serviceworker", "sharedworker", and
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// "worker".
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//
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// Note, service workers are not included here because currently there is
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// no way to generate a Request with a "serviceworker" RequestDestination.
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// ServiceWorker scripts cannot be intercepted.
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return aContentPolicyType == nsIContentPolicy::TYPE_INTERNAL_WORKER ||
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aContentPolicyType == nsIContentPolicy::TYPE_INTERNAL_SHARED_WORKER;
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}
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bool InternalRequest::IsNavigationRequest() const {
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return IsNavigationContentPolicy(mContentPolicyType);
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}
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bool InternalRequest::IsWorkerRequest() const {
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return IsWorkerContentPolicy(mContentPolicyType);
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}
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bool InternalRequest::IsClientRequest() const {
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return IsNavigationRequest() || IsWorkerRequest();
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}
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// static
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RequestMode InternalRequest::MapChannelToRequestMode(nsIChannel* aChannel) {
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MOZ_ASSERT(aChannel);
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nsCOMPtr<nsILoadInfo> loadInfo = aChannel->LoadInfo();
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nsContentPolicyType contentPolicy = loadInfo->InternalContentPolicyType();
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if (IsNavigationContentPolicy(contentPolicy)) {
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return RequestMode::Navigate;
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}
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// TODO: remove the worker override once securityMode is fully implemented
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// (bug 1189945)
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if (IsWorkerContentPolicy(contentPolicy)) {
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return RequestMode::Same_origin;
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}
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uint32_t securityMode = loadInfo->GetSecurityMode();
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switch (securityMode) {
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case nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_INHERITS:
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case nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED:
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return RequestMode::Same_origin;
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case nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_INHERITS:
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case nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL:
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return RequestMode::No_cors;
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case nsILoadInfo::SEC_REQUIRE_CORS_DATA_INHERITS:
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// TODO: Check additional flag force-preflight after bug 1199693 (bug
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// 1189945)
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return RequestMode::Cors;
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default:
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MOZ_ASSERT_UNREACHABLE("Unexpected security mode!");
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return RequestMode::Same_origin;
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}
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}
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// static
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RequestCredentials InternalRequest::MapChannelToRequestCredentials(
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nsIChannel* aChannel) {
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MOZ_ASSERT(aChannel);
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nsCOMPtr<nsILoadInfo> loadInfo = aChannel->LoadInfo();
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uint32_t cookiePolicy = loadInfo->GetCookiePolicy();
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if (cookiePolicy == nsILoadInfo::SEC_COOKIES_INCLUDE) {
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return RequestCredentials::Include;
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} else if (cookiePolicy == nsILoadInfo::SEC_COOKIES_OMIT) {
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return RequestCredentials::Omit;
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} else if (cookiePolicy == nsILoadInfo::SEC_COOKIES_SAME_ORIGIN) {
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return RequestCredentials::Same_origin;
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}
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MOZ_ASSERT_UNREACHABLE("Unexpected cookie policy!");
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return RequestCredentials::Same_origin;
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}
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void InternalRequest::MaybeSkipCacheIfPerformingRevalidation() {
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if (mCacheMode == RequestCache::Default &&
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mHeaders->HasRevalidationHeaders()) {
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mCacheMode = RequestCache::No_store;
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}
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}
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void InternalRequest::SetPrincipalInfo(
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UniquePtr<mozilla::ipc::PrincipalInfo> aPrincipalInfo) {
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mPrincipalInfo = std::move(aPrincipalInfo);
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}
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} // namespace dom
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} // namespace mozilla
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