зеркало из https://github.com/mozilla/gecko-dev.git
477 строки
16 KiB
C++
477 строки
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 "nsIContentPolicy.h"
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#include "nsIDocument.h"
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#include "nsStreamUtils.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/FetchTypes.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/dom/workers/Workers.h"
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#include "WorkerPrivate.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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already_AddRefed<InternalRequest>
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InternalRequest::GetRequestConstructorCopy(nsIGlobalObject* aGlobal, ErrorResult& aRv) const
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{
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MOZ_RELEASE_ASSERT(!mURLList.IsEmpty(), "Internal Request's urlList should not be empty when copied from constructor.");
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RefPtr<InternalRequest> copy = new InternalRequest(mURLList.LastElement(),
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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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copy->mForceOriginHeader = true;
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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->mSameOriginDataURL = true;
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copy->mPreserveContentCodings = true;
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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->mCreatedByFetchEvent = mCreatedByFetchEvent;
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copy->mContentPolicyTypeOverridden = mContentPolicyTypeOverridden;
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copy->mPreferredAlternativeDataType = mPreferredAlternativeDataType;
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return copy.forget();
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}
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already_AddRefed<InternalRequest>
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InternalRequest::Clone()
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{
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RefPtr<InternalRequest> clone = new InternalRequest(*this);
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if (!mBodyStream) {
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return clone.forget();
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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))) { return nullptr; }
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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.forget();
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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(net::RP_Unset)
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, mMode(RequestMode::No_cors)
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, mCredentialsMode(RequestCredentials::Omit)
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, mResponseTainting(LoadTainting::Basic)
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, mCacheMode(RequestCache::Default)
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, mRedirectMode(RequestRedirect::Follow)
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, mMozErrors(false)
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, mAuthenticationFlag(false)
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, mForceOriginHeader(false)
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, mPreserveContentCodings(false)
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// FIXME(nsm): This should be false by default, but will lead to the
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// algorithm never loading data: URLs right now. See Bug 1018872 about
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// how certain contexts will override it to set it to true. Fetch
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// specification does not handle this yet.
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, mSameOriginDataURL(true)
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, mSkipServiceWorker(false)
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, mSynchronous(false)
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, mUnsafeRequest(false)
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, mUseURLCredentials(false)
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{
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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 nsACString& aURL,
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const nsACString& aFragment,
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const nsACString& aMethod,
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already_AddRefed<InternalHeaders> aHeaders,
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RequestCache aCacheMode,
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RequestMode aMode,
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RequestRedirect aRequestRedirect,
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RequestCredentials aRequestCredentials,
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const nsAString& aReferrer,
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ReferrerPolicy aReferrerPolicy,
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nsContentPolicyType aContentPolicyType,
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const nsAString& aIntegrity)
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: mMethod(aMethod)
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, mHeaders(aHeaders)
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, mContentPolicyType(aContentPolicyType)
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, mReferrer(aReferrer)
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, mReferrerPolicy(aReferrerPolicy)
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, mEnvironmentReferrerPolicy(net::RP_Unset)
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, mMode(aMode)
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, mCredentialsMode(aRequestCredentials)
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, mResponseTainting(LoadTainting::Basic)
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, mCacheMode(aCacheMode)
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, mRedirectMode(aRequestRedirect)
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, mIntegrity(aIntegrity)
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, mMozErrors(false)
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, mAuthenticationFlag(false)
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, mForceOriginHeader(false)
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, mPreserveContentCodings(false)
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// FIXME See the above comment in the default constructor.
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, mSameOriginDataURL(true)
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, mSkipServiceWorker(false)
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, mSynchronous(false)
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, mUnsafeRequest(false)
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, mUseURLCredentials(false)
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{
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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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: mMethod(aOther.mMethod)
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, mURLList(aOther.mURLList)
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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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, mAuthenticationFlag(aOther.mAuthenticationFlag)
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, mForceOriginHeader(aOther.mForceOriginHeader)
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, mPreserveContentCodings(aOther.mPreserveContentCodings)
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, mSameOriginDataURL(aOther.mSameOriginDataURL)
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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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, mCreatedByFetchEvent(aOther.mCreatedByFetchEvent)
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, mContentPolicyTypeOverridden(aOther.mContentPolicyTypeOverridden)
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{
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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.urls())
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, mHeaders(new InternalHeaders(aIPCRequest.headers(),
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aIPCRequest.headersGuard()))
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, mContentPolicyType(aIPCRequest.contentPolicyType())
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, mReferrer(aIPCRequest.referrer())
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, mReferrerPolicy(aIPCRequest.referrerPolicy())
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, mMode(aIPCRequest.mode())
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, mCredentialsMode(aIPCRequest.credentials())
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, mCacheMode(aIPCRequest.requestCache())
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, mRedirectMode(aIPCRequest.requestRedirect())
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{
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MOZ_ASSERT(!mURLList.IsEmpty());
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}
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InternalRequest::~InternalRequest()
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{
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}
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void
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InternalRequest::ToIPC(IPCInternalRequest* aIPCRequest)
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{
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MOZ_ASSERT(aIPCRequest);
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MOZ_ASSERT(!mURLList.IsEmpty());
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aIPCRequest->urls() = mURLList;
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aIPCRequest->method() = mMethod;
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mHeaders->ToIPC(aIPCRequest->headers(), aIPCRequest->headersGuard());
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aIPCRequest->referrer() = mReferrer;
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aIPCRequest->referrerPolicy() = mReferrerPolicy;
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aIPCRequest->mode() = mMode;
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aIPCRequest->credentials() = mCredentialsMode;
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aIPCRequest->contentPolicyType() = mContentPolicyType;
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aIPCRequest->requestCache() = mCacheMode;
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aIPCRequest->requestRedirect() = mRedirectMode;
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}
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void
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InternalRequest::SetContentPolicyType(nsContentPolicyType aContentPolicyType)
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{
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mContentPolicyType = aContentPolicyType;
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}
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void
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InternalRequest::OverrideContentPolicyType(nsContentPolicyType aContentPolicyType)
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{
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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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RequestContext
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InternalRequest::MapContentPolicyTypeToRequestContext(nsContentPolicyType aContentPolicyType)
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{
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RequestContext context = RequestContext::Internal;
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switch (aContentPolicyType) {
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case nsIContentPolicy::TYPE_OTHER:
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context = RequestContext::Internal;
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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_SERVICE_WORKER:
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case nsIContentPolicy::TYPE_INTERNAL_WORKER_IMPORT_SCRIPTS:
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context = RequestContext::Script;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_WORKER:
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context = RequestContext::Worker;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_SHARED_WORKER:
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context = RequestContext::Sharedworker;
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break;
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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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context = RequestContext::Image;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_STYLESHEET:
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case nsIContentPolicy::TYPE_INTERNAL_STYLESHEET_PRELOAD:
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context = RequestContext::Style;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_OBJECT:
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context = RequestContext::Object;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_EMBED:
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context = RequestContext::Embed;
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break;
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case nsIContentPolicy::TYPE_DOCUMENT:
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context = RequestContext::Internal;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_IFRAME:
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context = RequestContext::Iframe;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_FRAME:
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context = RequestContext::Frame;
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break;
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case nsIContentPolicy::TYPE_REFRESH:
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context = RequestContext::Internal;
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break;
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case nsIContentPolicy::TYPE_XBL:
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context = RequestContext::Internal;
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break;
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case nsIContentPolicy::TYPE_PING:
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context = RequestContext::Ping;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_XMLHTTPREQUEST:
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context = RequestContext::Xmlhttprequest;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_EVENTSOURCE:
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context = RequestContext::Eventsource;
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break;
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case nsIContentPolicy::TYPE_OBJECT_SUBREQUEST:
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context = RequestContext::Plugin;
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break;
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case nsIContentPolicy::TYPE_DTD:
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context = RequestContext::Internal;
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break;
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case nsIContentPolicy::TYPE_FONT:
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context = RequestContext::Font;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_AUDIO:
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context = RequestContext::Audio;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_VIDEO:
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context = RequestContext::Video;
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break;
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case nsIContentPolicy::TYPE_INTERNAL_TRACK:
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context = RequestContext::Track;
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break;
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case nsIContentPolicy::TYPE_WEBSOCKET:
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context = RequestContext::Internal;
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break;
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case nsIContentPolicy::TYPE_CSP_REPORT:
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context = RequestContext::Cspreport;
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break;
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case nsIContentPolicy::TYPE_XSLT:
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context = RequestContext::Xslt;
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break;
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case nsIContentPolicy::TYPE_BEACON:
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context = RequestContext::Beacon;
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break;
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case nsIContentPolicy::TYPE_FETCH:
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context = RequestContext::Fetch;
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break;
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case nsIContentPolicy::TYPE_IMAGESET:
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context = RequestContext::Imageset;
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break;
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case nsIContentPolicy::TYPE_WEB_MANIFEST:
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context = RequestContext::Manifest;
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break;
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case nsIContentPolicy::TYPE_SAVEAS_DOWNLOAD:
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context = RequestContext::Internal;
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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 context;
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}
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// static
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bool
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InternalRequest::IsNavigationContentPolicy(nsContentPolicyType aContentPolicyType)
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{
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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
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InternalRequest::IsWorkerContentPolicy(nsContentPolicyType aContentPolicyType)
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{
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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" RequestContext.
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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
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InternalRequest::IsNavigationRequest() const
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{
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return IsNavigationContentPolicy(mContentPolicyType);
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}
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bool
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InternalRequest::IsWorkerRequest() const
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{
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return IsWorkerContentPolicy(mContentPolicyType);
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}
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bool
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InternalRequest::IsClientRequest() const
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{
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return IsNavigationRequest() || IsWorkerRequest();
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}
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// static
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RequestMode
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InternalRequest::MapChannelToRequestMode(nsIChannel* aChannel)
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{
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MOZ_ASSERT(aChannel);
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nsCOMPtr<nsILoadInfo> loadInfo;
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MOZ_ALWAYS_SUCCEEDS(aChannel->GetLoadInfo(getter_AddRefs(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 (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 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
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InternalRequest::MapChannelToRequestCredentials(nsIChannel* aChannel)
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{
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MOZ_ASSERT(aChannel);
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nsCOMPtr<nsILoadInfo> loadInfo;
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MOZ_ALWAYS_SUCCEEDS(aChannel->GetLoadInfo(getter_AddRefs(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
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InternalRequest::MaybeSkipCacheIfPerformingRevalidation()
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{
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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
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InternalRequest::SetPrincipalInfo(UniquePtr<mozilla::ipc::PrincipalInfo> aPrincipalInfo)
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{
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mPrincipalInfo = Move(aPrincipalInfo);
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}
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} // namespace dom
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} // namespace mozilla
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