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gecko-dev/netwerk/protocol/http/HttpChannelChild.cpp
Ryan VanderMeulen fcbf4425b0 Backed out 2 changesets (bug 1261585) for causing website bustage. 
Backed out changeset 3b5321a426ad (bug 1261585)
Backed out changeset f6d5e6243d01 (bug 1261585)

--HG--
extra : rebase_source : 9e87123f7688db13d341e713d4781cbc3e419960
2017-01-17 23:29:11 -05:00

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90 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// HttpLog.h should generally be included first
#include "HttpLog.h"
#include "nsHttp.h"
#include "nsICacheEntry.h"
#include "mozilla/Unused.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/DocGroup.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/dom/TabGroup.h"
#include "mozilla/ipc/FileDescriptorSetChild.h"
#include "mozilla/ipc/IPCStreamUtils.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/net/HttpChannelChild.h"
#include "nsISupportsPrimitives.h"
#include "nsChannelClassifier.h"
#include "nsGlobalWindow.h"
#include "nsStringStream.h"
#include "nsHttpHandler.h"
#include "nsNetUtil.h"
#include "nsSerializationHelper.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/Performance.h"
#include "mozilla/ipc/InputStreamUtils.h"
#include "mozilla/ipc/URIUtils.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "mozilla/net/ChannelDiverterChild.h"
#include "mozilla/net/DNS.h"
#include "SerializedLoadContext.h"
#include "nsInputStreamPump.h"
#include "InterceptedChannel.h"
#include "mozIThirdPartyUtil.h"
#include "nsContentSecurityManager.h"
#include "nsIDeprecationWarner.h"
#include "nsICompressConvStats.h"
#include "nsIDocument.h"
#include "nsIDOMWindowUtils.h"
#include "nsStreamUtils.h"
#ifdef OS_POSIX
#include "chrome/common/file_descriptor_set_posix.h"
#endif
#ifdef MOZ_TASK_TRACER
#include "GeckoTaskTracer.h"
#endif
using namespace mozilla::dom;
using namespace mozilla::ipc;
namespace mozilla {
namespace net {
extern bool
WillRedirect(nsHttpResponseHead * response);
namespace {
const uint32_t kMaxFileDescriptorsPerMessage = 250;
#ifdef OS_POSIX
// Keep this in sync with other platforms.
static_assert(FileDescriptorSet::MAX_DESCRIPTORS_PER_MESSAGE == 250,
"MAX_DESCRIPTORS_PER_MESSAGE mismatch!");
#endif
} // namespace
NS_IMPL_ISUPPORTS(InterceptStreamListener,
nsIStreamListener,
nsIRequestObserver,
nsIProgressEventSink)
NS_IMETHODIMP
InterceptStreamListener::OnStartRequest(nsIRequest* aRequest, nsISupports* aContext)
{
if (mOwner) {
mOwner->DoOnStartRequest(mOwner, mContext);
}
return NS_OK;
}
NS_IMETHODIMP
InterceptStreamListener::OnStatus(nsIRequest* aRequest, nsISupports* aContext,
nsresult status, const char16_t* aStatusArg)
{
if (mOwner) {
mOwner->DoOnStatus(mOwner, status);
}
return NS_OK;
}
NS_IMETHODIMP
InterceptStreamListener::OnProgress(nsIRequest* aRequest, nsISupports* aContext,
int64_t aProgress, int64_t aProgressMax)
{
if (mOwner) {
mOwner->DoOnProgress(mOwner, aProgress, aProgressMax);
}
return NS_OK;
}
NS_IMETHODIMP
InterceptStreamListener::OnDataAvailable(nsIRequest* aRequest, nsISupports* aContext,
nsIInputStream* aInputStream, uint64_t aOffset,
uint32_t aCount)
{
if (!mOwner) {
return NS_OK;
}
uint32_t loadFlags;
mOwner->GetLoadFlags(&loadFlags);
if (!(loadFlags & HttpBaseChannel::LOAD_BACKGROUND)) {
nsCOMPtr<nsIURI> uri;
mOwner->GetURI(getter_AddRefs(uri));
nsAutoCString host;
uri->GetHost(host);
OnStatus(mOwner, aContext, NS_NET_STATUS_READING, NS_ConvertUTF8toUTF16(host).get());
int64_t progress = aOffset + aCount;
OnProgress(mOwner, aContext, progress, mOwner->mSynthesizedStreamLength);
}
mOwner->DoOnDataAvailable(mOwner, mContext, aInputStream, aOffset, aCount);
return NS_OK;
}
NS_IMETHODIMP
InterceptStreamListener::OnStopRequest(nsIRequest* aRequest, nsISupports* aContext, nsresult aStatusCode)
{
if (mOwner) {
mOwner->DoPreOnStopRequest(aStatusCode);
mOwner->DoOnStopRequest(mOwner, aStatusCode, mContext);
}
Cleanup();
return NS_OK;
}
void
InterceptStreamListener::Cleanup()
{
mOwner = nullptr;
mContext = nullptr;
}
//-----------------------------------------------------------------------------
// HttpChannelChild
//-----------------------------------------------------------------------------
HttpChannelChild::HttpChannelChild()
: HttpAsyncAborter<HttpChannelChild>(this)
, mSynthesizedStreamLength(0)
, mIsFromCache(false)
, mCacheEntryAvailable(false)
, mCacheExpirationTime(nsICacheEntry::NO_EXPIRATION_TIME)
, mSendResumeAt(false)
, mIPCOpen(false)
, mKeptAlive(false)
, mUnknownDecoderInvolved(false)
, mDivertingToParent(false)
, mFlushedForDiversion(false)
, mSuspendSent(false)
, mSynthesizedResponse(false)
, mShouldInterceptSubsequentRedirect(false)
, mRedirectingForSubsequentSynthesizedResponse(false)
, mPostRedirectChannelShouldIntercept(false)
, mPostRedirectChannelShouldUpgrade(false)
, mShouldParentIntercept(false)
, mSuspendParentAfterSynthesizeResponse(false)
{
LOG(("Creating HttpChannelChild @%x\n", this));
mChannelCreationTime = PR_Now();
mChannelCreationTimestamp = TimeStamp::Now();
mAsyncOpenTime = TimeStamp::Now();
mEventQ = new ChannelEventQueue(static_cast<nsIHttpChannel*>(this));
}
HttpChannelChild::~HttpChannelChild()
{
LOG(("Destroying HttpChannelChild @%x\n", this));
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsISupports
//-----------------------------------------------------------------------------
// Override nsHashPropertyBag's AddRef: we don't need thread-safe refcnt
NS_IMPL_ADDREF(HttpChannelChild)
NS_IMETHODIMP_(MozExternalRefCountType) HttpChannelChild::Release()
{
NS_PRECONDITION(0 != mRefCnt, "dup release");
NS_ASSERT_OWNINGTHREAD(HttpChannelChild);
--mRefCnt;
NS_LOG_RELEASE(this, mRefCnt, "HttpChannelChild");
// Normally we Send_delete in OnStopRequest, but when we need to retain the
// remote channel for security info IPDL itself holds 1 reference, so we
// Send_delete when refCnt==1. But if !mIPCOpen, then there's nobody to send
// to, so we fall through.
if (mKeptAlive && mRefCnt == 1 && mIPCOpen) {
mKeptAlive = false;
// We send a message to the parent, which calls SendDelete, and then the
// child calling Send__delete__() to finally drop the refcount to 0.
SendDeletingChannel();
return 1;
}
if (mRefCnt == 0) {
mRefCnt = 1; /* stabilize */
delete this;
return 0;
}
return mRefCnt;
}
NS_INTERFACE_MAP_BEGIN(HttpChannelChild)
NS_INTERFACE_MAP_ENTRY(nsIRequest)
NS_INTERFACE_MAP_ENTRY(nsIChannel)
NS_INTERFACE_MAP_ENTRY(nsIHttpChannel)
NS_INTERFACE_MAP_ENTRY(nsIHttpChannelInternal)
NS_INTERFACE_MAP_ENTRY(nsICacheInfoChannel)
NS_INTERFACE_MAP_ENTRY(nsIResumableChannel)
NS_INTERFACE_MAP_ENTRY(nsISupportsPriority)
NS_INTERFACE_MAP_ENTRY(nsIClassOfService)
NS_INTERFACE_MAP_ENTRY(nsIProxiedChannel)
NS_INTERFACE_MAP_ENTRY(nsITraceableChannel)
NS_INTERFACE_MAP_ENTRY(nsIApplicationCacheContainer)
NS_INTERFACE_MAP_ENTRY(nsIApplicationCacheChannel)
NS_INTERFACE_MAP_ENTRY(nsIAsyncVerifyRedirectCallback)
NS_INTERFACE_MAP_ENTRY(nsIChildChannel)
NS_INTERFACE_MAP_ENTRY(nsIHttpChannelChild)
NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIAssociatedContentSecurity, GetAssociatedContentSecurity())
NS_INTERFACE_MAP_ENTRY(nsIDivertableChannel)
NS_INTERFACE_MAP_END_INHERITING(HttpBaseChannel)
//-----------------------------------------------------------------------------
// HttpChannelChild::PHttpChannelChild
//-----------------------------------------------------------------------------
void
HttpChannelChild::AddIPDLReference()
{
MOZ_ASSERT(!mIPCOpen, "Attempt to retain more than one IPDL reference");
mIPCOpen = true;
AddRef();
}
void
HttpChannelChild::ReleaseIPDLReference()
{
MOZ_ASSERT(mIPCOpen, "Attempt to release nonexistent IPDL reference");
mIPCOpen = false;
Release();
}
class AssociateApplicationCacheEvent : public ChannelEvent
{
public:
AssociateApplicationCacheEvent(HttpChannelChild* aChild,
const nsCString &aGroupID,
const nsCString &aClientID)
: mChild(aChild)
, groupID(aGroupID)
, clientID(aClientID) {}
void Run() { mChild->AssociateApplicationCache(groupID, clientID); }
private:
HttpChannelChild* mChild;
nsCString groupID;
nsCString clientID;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvAssociateApplicationCache(const nsCString &groupID,
const nsCString &clientID)
{
LOG(("HttpChannelChild::RecvAssociateApplicationCache [this=%p]\n", this));
mEventQ->RunOrEnqueue(new AssociateApplicationCacheEvent(this, groupID,
clientID));
return IPC_OK();
}
void
HttpChannelChild::AssociateApplicationCache(const nsCString &groupID,
const nsCString &clientID)
{
LOG(("HttpChannelChild::AssociateApplicationCache [this=%p]\n", this));
nsresult rv;
mApplicationCache = do_CreateInstance(NS_APPLICATIONCACHE_CONTRACTID, &rv);
if (NS_FAILED(rv))
return;
mLoadedFromApplicationCache = true;
mApplicationCache->InitAsHandle(groupID, clientID);
}
class StartRequestEvent : public ChannelEvent
{
public:
StartRequestEvent(HttpChannelChild* aChild,
const nsresult& aChannelStatus,
const nsHttpResponseHead& aResponseHead,
const bool& aUseResponseHead,
const nsHttpHeaderArray& aRequestHeaders,
const bool& aIsFromCache,
const bool& aCacheEntryAvailable,
const uint32_t& aCacheExpirationTime,
const nsCString& aCachedCharset,
const nsCString& aSecurityInfoSerialization,
const NetAddr& aSelfAddr,
const NetAddr& aPeerAddr,
const uint32_t& aCacheKey,
const nsCString& altDataType)
: mChild(aChild)
, mChannelStatus(aChannelStatus)
, mResponseHead(aResponseHead)
, mRequestHeaders(aRequestHeaders)
, mUseResponseHead(aUseResponseHead)
, mIsFromCache(aIsFromCache)
, mCacheEntryAvailable(aCacheEntryAvailable)
, mCacheExpirationTime(aCacheExpirationTime)
, mCachedCharset(aCachedCharset)
, mSecurityInfoSerialization(aSecurityInfoSerialization)
, mSelfAddr(aSelfAddr)
, mPeerAddr(aPeerAddr)
, mCacheKey(aCacheKey)
, mAltDataType(altDataType)
{}
void Run()
{
LOG(("StartRequestEvent [this=%p]\n", mChild));
mChild->OnStartRequest(mChannelStatus, mResponseHead, mUseResponseHead,
mRequestHeaders, mIsFromCache, mCacheEntryAvailable,
mCacheExpirationTime, mCachedCharset,
mSecurityInfoSerialization, mSelfAddr, mPeerAddr,
mCacheKey, mAltDataType);
}
private:
HttpChannelChild* mChild;
nsresult mChannelStatus;
nsHttpResponseHead mResponseHead;
nsHttpHeaderArray mRequestHeaders;
bool mUseResponseHead;
bool mIsFromCache;
bool mCacheEntryAvailable;
uint32_t mCacheExpirationTime;
nsCString mCachedCharset;
nsCString mSecurityInfoSerialization;
NetAddr mSelfAddr;
NetAddr mPeerAddr;
uint32_t mCacheKey;
nsCString mAltDataType;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvOnStartRequest(const nsresult& channelStatus,
const nsHttpResponseHead& responseHead,
const bool& useResponseHead,
const nsHttpHeaderArray& requestHeaders,
const bool& isFromCache,
const bool& cacheEntryAvailable,
const uint32_t& cacheExpirationTime,
const nsCString& cachedCharset,
const nsCString& securityInfoSerialization,
const NetAddr& selfAddr,
const NetAddr& peerAddr,
const int16_t& redirectCount,
const uint32_t& cacheKey,
const nsCString& altDataType)
{
LOG(("HttpChannelChild::RecvOnStartRequest [this=%p]\n", this));
// mFlushedForDiversion and mDivertingToParent should NEVER be set at this
// stage, as they are set in the listener's OnStartRequest.
MOZ_RELEASE_ASSERT(!mFlushedForDiversion,
"mFlushedForDiversion should be unset before OnStartRequest!");
MOZ_RELEASE_ASSERT(!mDivertingToParent,
"mDivertingToParent should be unset before OnStartRequest!");
mRedirectCount = redirectCount;
mEventQ->RunOrEnqueue(new StartRequestEvent(this, channelStatus, responseHead,
useResponseHead, requestHeaders,
isFromCache, cacheEntryAvailable,
cacheExpirationTime,
cachedCharset,
securityInfoSerialization,
selfAddr, peerAddr, cacheKey,
altDataType));
return IPC_OK();
}
void
HttpChannelChild::OnStartRequest(const nsresult& channelStatus,
const nsHttpResponseHead& responseHead,
const bool& useResponseHead,
const nsHttpHeaderArray& requestHeaders,
const bool& isFromCache,
const bool& cacheEntryAvailable,
const uint32_t& cacheExpirationTime,
const nsCString& cachedCharset,
const nsCString& securityInfoSerialization,
const NetAddr& selfAddr,
const NetAddr& peerAddr,
const uint32_t& cacheKey,
const nsCString& altDataType)
{
LOG(("HttpChannelChild::OnStartRequest [this=%p]\n", this));
// mFlushedForDiversion and mDivertingToParent should NEVER be set at this
// stage, as they are set in the listener's OnStartRequest.
MOZ_RELEASE_ASSERT(!mFlushedForDiversion,
"mFlushedForDiversion should be unset before OnStartRequest!");
MOZ_RELEASE_ASSERT(!mDivertingToParent,
"mDivertingToParent should be unset before OnStartRequest!");
if (!mCanceled && NS_SUCCEEDED(mStatus)) {
mStatus = channelStatus;
}
if (useResponseHead && !mCanceled)
mResponseHead = new nsHttpResponseHead(responseHead);
if (!securityInfoSerialization.IsEmpty()) {
NS_DeserializeObject(securityInfoSerialization,
getter_AddRefs(mSecurityInfo));
}
mIsFromCache = isFromCache;
mCacheEntryAvailable = cacheEntryAvailable;
mCacheExpirationTime = cacheExpirationTime;
mCachedCharset = cachedCharset;
mSelfAddr = selfAddr;
mPeerAddr = peerAddr;
mAvailableCachedAltDataType = altDataType;
mAfterOnStartRequestBegun = true;
AutoEventEnqueuer ensureSerialDispatch(mEventQ);
nsresult rv;
nsCOMPtr<nsISupportsPRUint32> container =
do_CreateInstance(NS_SUPPORTS_PRUINT32_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
Cancel(rv);
return;
}
rv = container->SetData(cacheKey);
if (NS_FAILED(rv)) {
Cancel(rv);
return;
}
mCacheKey = container;
// replace our request headers with what actually got sent in the parent
mRequestHead.SetHeaders(requestHeaders);
// Note: this is where we would notify "http-on-examine-response" observers.
// We have deliberately disabled this for child processes (see bug 806753)
//
// gHttpHandler->OnExamineResponse(this);
mTracingEnabled = false;
DoOnStartRequest(this, mListenerContext);
}
namespace {
class SyntheticDiversionListener final : public nsIStreamListener
{
RefPtr<HttpChannelChild> mChannel;
~SyntheticDiversionListener()
{
}
public:
explicit SyntheticDiversionListener(HttpChannelChild* aChannel)
: mChannel(aChannel)
{
MOZ_ASSERT(mChannel);
}
NS_IMETHOD
OnStartRequest(nsIRequest* aRequest, nsISupports* aContext) override
{
MOZ_ASSERT_UNREACHABLE("SyntheticDiversionListener should never see OnStartRequest");
return NS_OK;
}
NS_IMETHOD
OnStopRequest(nsIRequest* aRequest, nsISupports* aContext,
nsresult aStatus) override
{
mChannel->SendDivertOnStopRequest(aStatus);
return NS_OK;
}
NS_IMETHOD
OnDataAvailable(nsIRequest* aRequest, nsISupports* aContext,
nsIInputStream* aInputStream, uint64_t aOffset,
uint32_t aCount) override
{
nsAutoCString data;
nsresult rv = NS_ConsumeStream(aInputStream, aCount, data);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRequest->Cancel(rv);
return rv;
}
mChannel->SendDivertOnDataAvailable(data, aOffset, aCount);
return NS_OK;
}
NS_DECL_ISUPPORTS
};
NS_IMPL_ISUPPORTS(SyntheticDiversionListener, nsIStreamListener);
} // anonymous namespace
void
HttpChannelChild::DoOnStartRequest(nsIRequest* aRequest, nsISupports* aContext)
{
LOG(("HttpChannelChild::DoOnStartRequest [this=%p]\n", this));
// In theory mListener should not be null, but in practice sometimes it is.
MOZ_ASSERT(mListener);
if (!mListener) {
Cancel(NS_ERROR_FAILURE);
return;
}
nsresult rv = mListener->OnStartRequest(aRequest, aContext);
if (NS_FAILED(rv)) {
Cancel(rv);
return;
}
if (mDivertingToParent) {
mListener = nullptr;
mListenerContext = nullptr;
mCompressListener = nullptr;
if (mLoadGroup) {
mLoadGroup->RemoveRequest(this, nullptr, mStatus);
}
// If the response has been synthesized in the child, then we are going
// be getting OnDataAvailable and OnStopRequest from the synthetic
// stream pump. We need to forward these back to the parent diversion
// listener.
if (mSynthesizedResponse) {
mListener = new SyntheticDiversionListener(this);
}
return;
}
nsCOMPtr<nsIStreamListener> listener;
rv = DoApplyContentConversions(mListener, getter_AddRefs(listener),
mListenerContext);
if (NS_FAILED(rv)) {
Cancel(rv);
} else if (listener) {
mListener = listener;
mCompressListener = listener;
}
}
class TransportAndDataEvent : public ChannelEvent
{
public:
TransportAndDataEvent(HttpChannelChild* child,
const nsresult& channelStatus,
const nsresult& transportStatus,
const uint64_t& progress,
const uint64_t& progressMax,
const nsCString& data,
const uint64_t& offset,
const uint32_t& count)
: mChild(child)
, mChannelStatus(channelStatus)
, mTransportStatus(transportStatus)
, mProgress(progress)
, mProgressMax(progressMax)
, mData(data)
, mOffset(offset)
, mCount(count) {}
void Run()
{
mChild->OnTransportAndData(mChannelStatus, mTransportStatus, mProgress,
mProgressMax, mOffset, mCount, mData);
}
private:
HttpChannelChild* mChild;
nsresult mChannelStatus;
nsresult mTransportStatus;
uint64_t mProgress;
uint64_t mProgressMax;
nsCString mData;
uint64_t mOffset;
uint32_t mCount;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvOnTransportAndData(const nsresult& channelStatus,
const nsresult& transportStatus,
const uint64_t& progress,
const uint64_t& progressMax,
const uint64_t& offset,
const uint32_t& count,
const nsCString& data)
{
LOG(("HttpChannelChild::RecvOnTransportAndData [this=%p]\n", this));
MOZ_RELEASE_ASSERT(!mFlushedForDiversion,
"Should not be receiving any more callbacks from parent!");
mEventQ->RunOrEnqueue(new TransportAndDataEvent(this, channelStatus,
transportStatus, progress,
progressMax, data, offset,
count),
mDivertingToParent);
return IPC_OK();
}
class MaybeDivertOnDataHttpEvent : public ChannelEvent
{
public:
MaybeDivertOnDataHttpEvent(HttpChannelChild* child,
const nsCString& data,
const uint64_t& offset,
const uint32_t& count)
: mChild(child)
, mData(data)
, mOffset(offset)
, mCount(count) {}
void Run()
{
mChild->MaybeDivertOnData(mData, mOffset, mCount);
}
private:
HttpChannelChild* mChild;
nsCString mData;
uint64_t mOffset;
uint32_t mCount;
};
void
HttpChannelChild::MaybeDivertOnData(const nsCString& data,
const uint64_t& offset,
const uint32_t& count)
{
LOG(("HttpChannelChild::MaybeDivertOnData [this=%p]", this));
if (mDivertingToParent) {
SendDivertOnDataAvailable(data, offset, count);
}
}
void
HttpChannelChild::OnTransportAndData(const nsresult& channelStatus,
const nsresult& transportStatus,
const uint64_t progress,
const uint64_t& progressMax,
const uint64_t& offset,
const uint32_t& count,
const nsCString& data)
{
LOG(("HttpChannelChild::OnTransportAndData [this=%p]\n", this));
if (!mCanceled && NS_SUCCEEDED(mStatus)) {
mStatus = channelStatus;
}
// For diversion to parent, just SendDivertOnDataAvailable.
if (mDivertingToParent) {
MOZ_RELEASE_ASSERT(!mFlushedForDiversion,
"Should not be processing any more callbacks from parent!");
SendDivertOnDataAvailable(data, offset, count);
return;
}
if (mCanceled)
return;
if (mUnknownDecoderInvolved) {
LOG(("UnknownDecoder is involved queue OnDataAvailable call. [this=%p]",
this));
mUnknownDecoderEventQ.AppendElement(
MakeUnique<MaybeDivertOnDataHttpEvent>(this, data, offset, count));
}
// Hold queue lock throughout all three calls, else we might process a later
// necko msg in between them.
AutoEventEnqueuer ensureSerialDispatch(mEventQ);
DoOnStatus(this, transportStatus);
DoOnProgress(this, progress, progressMax);
// OnDataAvailable
//
// NOTE: the OnDataAvailable contract requires the client to read all the data
// in the inputstream. This code relies on that ('data' will go away after
// this function). Apparently the previous, non-e10s behavior was to actually
// support only reading part of the data, allowing later calls to read the
// rest.
nsCOMPtr<nsIInputStream> stringStream;
nsresult rv = NS_NewByteInputStream(getter_AddRefs(stringStream), data.get(),
count, NS_ASSIGNMENT_DEPEND);
if (NS_FAILED(rv)) {
Cancel(rv);
return;
}
DoOnDataAvailable(this, mListenerContext, stringStream, offset, count);
stringStream->Close();
}
void
HttpChannelChild::DoOnStatus(nsIRequest* aRequest, nsresult status)
{
LOG(("HttpChannelChild::DoOnStatus [this=%p]\n", this));
if (mCanceled)
return;
// cache the progress sink so we don't have to query for it each time.
if (!mProgressSink)
GetCallback(mProgressSink);
// Temporary fix for bug 1116124
// See 1124971 - Child removes LOAD_BACKGROUND flag from channel
if (status == NS_OK)
return;
// block status/progress after Cancel or OnStopRequest has been called,
// or if channel has LOAD_BACKGROUND set.
if (mProgressSink && NS_SUCCEEDED(mStatus) && mIsPending &&
!(mLoadFlags & LOAD_BACKGROUND))
{
// OnStatus
//
MOZ_ASSERT(status == NS_NET_STATUS_RECEIVING_FROM ||
status == NS_NET_STATUS_READING);
nsAutoCString host;
mURI->GetHost(host);
mProgressSink->OnStatus(aRequest, nullptr, status,
NS_ConvertUTF8toUTF16(host).get());
}
}
void
HttpChannelChild::DoOnProgress(nsIRequest* aRequest, int64_t progress, int64_t progressMax)
{
LOG(("HttpChannelChild::DoOnProgress [this=%p]\n", this));
if (mCanceled)
return;
// cache the progress sink so we don't have to query for it each time.
if (!mProgressSink)
GetCallback(mProgressSink);
// block status/progress after Cancel or OnStopRequest has been called,
// or if channel has LOAD_BACKGROUND set.
if (mProgressSink && NS_SUCCEEDED(mStatus) && mIsPending &&
!(mLoadFlags & LOAD_BACKGROUND))
{
// OnProgress
//
if (progress > 0) {
mProgressSink->OnProgress(aRequest, nullptr, progress, progressMax);
}
}
}
void
HttpChannelChild::DoOnDataAvailable(nsIRequest* aRequest, nsISupports* aContext,
nsIInputStream* aStream,
uint64_t offset, uint32_t count)
{
LOG(("HttpChannelChild::DoOnDataAvailable [this=%p]\n", this));
if (mCanceled)
return;
nsresult rv = mListener->OnDataAvailable(aRequest, aContext, aStream, offset, count);
if (NS_FAILED(rv)) {
Cancel(rv);
}
}
class StopRequestEvent : public ChannelEvent
{
public:
StopRequestEvent(HttpChannelChild* child,
const nsresult& channelStatus,
const ResourceTimingStruct& timing)
: mChild(child)
, mChannelStatus(channelStatus)
, mTiming(timing) {}
void Run() { mChild->OnStopRequest(mChannelStatus, mTiming); }
private:
HttpChannelChild* mChild;
nsresult mChannelStatus;
ResourceTimingStruct mTiming;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvOnStopRequest(const nsresult& channelStatus,
const ResourceTimingStruct& timing)
{
LOG(("HttpChannelChild::RecvOnStopRequest [this=%p]\n", this));
MOZ_RELEASE_ASSERT(!mFlushedForDiversion,
"Should not be receiving any more callbacks from parent!");
mEventQ->RunOrEnqueue(new StopRequestEvent(this, channelStatus, timing),
mDivertingToParent);
return IPC_OK();
}
class MaybeDivertOnStopHttpEvent : public ChannelEvent
{
public:
MaybeDivertOnStopHttpEvent(HttpChannelChild* child,
const nsresult& channelStatus)
: mChild(child)
, mChannelStatus(channelStatus)
{}
void Run()
{
mChild->MaybeDivertOnStop(mChannelStatus);
}
private:
HttpChannelChild* mChild;
nsresult mChannelStatus;
};
void
HttpChannelChild::MaybeDivertOnStop(const nsresult& aChannelStatus)
{
LOG(("HttpChannelChild::MaybeDivertOnStop [this=%p, "
"mDivertingToParent=%d status=%x]", this, mDivertingToParent,
aChannelStatus));
if (mDivertingToParent) {
SendDivertOnStopRequest(aChannelStatus);
}
}
void
HttpChannelChild::OnStopRequest(const nsresult& channelStatus,
const ResourceTimingStruct& timing)
{
LOG(("HttpChannelChild::OnStopRequest [this=%p status=%x]\n",
this, channelStatus));
if (mDivertingToParent) {
MOZ_RELEASE_ASSERT(!mFlushedForDiversion,
"Should not be processing any more callbacks from parent!");
SendDivertOnStopRequest(channelStatus);
return;
}
if (mUnknownDecoderInvolved) {
LOG(("UnknownDecoder is involved queue OnStopRequest call. [this=%p]",
this));
mUnknownDecoderEventQ.AppendElement(
MakeUnique<MaybeDivertOnStopHttpEvent>(this, channelStatus));
}
nsCOMPtr<nsICompressConvStats> conv = do_QueryInterface(mCompressListener);
if (conv) {
conv->GetDecodedDataLength(&mDecodedBodySize);
}
mTransactionTimings.domainLookupStart = timing.domainLookupStart;
mTransactionTimings.domainLookupEnd = timing.domainLookupEnd;
mTransactionTimings.connectStart = timing.connectStart;
mTransactionTimings.connectEnd = timing.connectEnd;
mTransactionTimings.requestStart = timing.requestStart;
mTransactionTimings.responseStart = timing.responseStart;
mTransactionTimings.responseEnd = timing.responseEnd;
mAsyncOpenTime = timing.fetchStart;
mRedirectStartTimeStamp = timing.redirectStart;
mRedirectEndTimeStamp = timing.redirectEnd;
mTransferSize = timing.transferSize;
mEncodedBodySize = timing.encodedBodySize;
mProtocolVersion = timing.protocolVersion;
mCacheReadStart = timing.cacheReadStart;
mCacheReadEnd = timing.cacheReadEnd;
Performance* documentPerformance = GetPerformance();
if (documentPerformance) {
documentPerformance->AddEntry(this, this);
}
DoPreOnStopRequest(channelStatus);
{ // We must flush the queue before we Send__delete__
// (although we really shouldn't receive any msgs after OnStop),
// so make sure this goes out of scope before then.
AutoEventEnqueuer ensureSerialDispatch(mEventQ);
DoOnStopRequest(this, channelStatus, mListenerContext);
}
ReleaseListeners();
// DocumentChannelCleanup actually nulls out mCacheEntry in the parent, which
// we might need later to open the Alt-Data output stream, so just return here
if (!mPreferredCachedAltDataType.IsEmpty()) {
mKeptAlive = true;
return;
}
if (mLoadFlags & LOAD_DOCUMENT_URI) {
// Keep IPDL channel open, but only for updating security info.
mKeptAlive = true;
SendDocumentChannelCleanup();
} else {
// The parent process will respond by sending a DeleteSelf message and
// making sure not to send any more messages after that.
SendDeletingChannel();
}
}
void
HttpChannelChild::DoPreOnStopRequest(nsresult aStatus)
{
LOG(("HttpChannelChild::DoPreOnStopRequest [this=%p status=%x]\n",
this, aStatus));
mIsPending = false;
if (!mCanceled && NS_SUCCEEDED(mStatus)) {
mStatus = aStatus;
}
}
void
HttpChannelChild::DoOnStopRequest(nsIRequest* aRequest, nsresult aChannelStatus, nsISupports* aContext)
{
LOG(("HttpChannelChild::DoOnStopRequest [this=%p]\n", this));
MOZ_ASSERT(!mIsPending);
// NB: We use aChannelStatus here instead of mStatus because if there was an
// nsCORSListenerProxy on this request, it will override the tracking
// protection's return value.
if (aChannelStatus == NS_ERROR_TRACKING_URI) {
nsChannelClassifier::SetBlockedTrackingContent(this);
}
MOZ_ASSERT(!mOnStopRequestCalled,
"We should not call OnStopRequest twice");
// In theory mListener should not be null, but in practice sometimes it is.
MOZ_ASSERT(mListener);
if (mListener) {
mListener->OnStopRequest(aRequest, aContext, mStatus);
}
mOnStopRequestCalled = true;
mListener = nullptr;
mListenerContext = nullptr;
mCacheEntryAvailable = false;
if (mLoadGroup)
mLoadGroup->RemoveRequest(this, nullptr, mStatus);
}
class ProgressEvent : public ChannelEvent
{
public:
ProgressEvent(HttpChannelChild* child,
const int64_t& progress,
const int64_t& progressMax)
: mChild(child)
, mProgress(progress)
, mProgressMax(progressMax) {}
void Run() { mChild->OnProgress(mProgress, mProgressMax); }
private:
HttpChannelChild* mChild;
int64_t mProgress, mProgressMax;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvOnProgress(const int64_t& progress,
const int64_t& progressMax)
{
mEventQ->RunOrEnqueue(new ProgressEvent(this, progress, progressMax));
return IPC_OK();
}
void
HttpChannelChild::OnProgress(const int64_t& progress,
const int64_t& progressMax)
{
LOG(("HttpChannelChild::OnProgress [this=%p progress=%lld/%lld]\n",
this, progress, progressMax));
if (mCanceled)
return;
// cache the progress sink so we don't have to query for it each time.
if (!mProgressSink) {
GetCallback(mProgressSink);
}
AutoEventEnqueuer ensureSerialDispatch(mEventQ);
// Block socket status event after Cancel or OnStopRequest has been called.
if (mProgressSink && NS_SUCCEEDED(mStatus) && mIsPending)
{
if (progress > 0) {
mProgressSink->OnProgress(this, nullptr, progress, progressMax);
}
}
}
class StatusEvent : public ChannelEvent
{
public:
StatusEvent(HttpChannelChild* child,
const nsresult& status)
: mChild(child)
, mStatus(status) {}
void Run() { mChild->OnStatus(mStatus); }
private:
HttpChannelChild* mChild;
nsresult mStatus;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvOnStatus(const nsresult& status)
{
mEventQ->RunOrEnqueue(new StatusEvent(this, status));
return IPC_OK();
}
void
HttpChannelChild::OnStatus(const nsresult& status)
{
LOG(("HttpChannelChild::OnStatus [this=%p status=%x]\n", this, status));
if (mCanceled)
return;
// cache the progress sink so we don't have to query for it each time.
if (!mProgressSink)
GetCallback(mProgressSink);
AutoEventEnqueuer ensureSerialDispatch(mEventQ);
// block socket status event after Cancel or OnStopRequest has been called,
// or if channel has LOAD_BACKGROUND set
if (mProgressSink && NS_SUCCEEDED(mStatus) && mIsPending &&
!(mLoadFlags & LOAD_BACKGROUND))
{
nsAutoCString host;
mURI->GetHost(host);
mProgressSink->OnStatus(this, nullptr, status,
NS_ConvertUTF8toUTF16(host).get());
}
}
class FailedAsyncOpenEvent : public ChannelEvent
{
public:
FailedAsyncOpenEvent(HttpChannelChild* child, const nsresult& status)
: mChild(child)
, mStatus(status) {}
void Run() { mChild->FailedAsyncOpen(mStatus); }
private:
HttpChannelChild* mChild;
nsresult mStatus;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvFailedAsyncOpen(const nsresult& status)
{
LOG(("HttpChannelChild::RecvFailedAsyncOpen [this=%p]\n", this));
mEventQ->RunOrEnqueue(new FailedAsyncOpenEvent(this, status));
return IPC_OK();
}
// We need to have an implementation of this function just so that we can keep
// all references to mCallOnResume of type HttpChannelChild: it's not OK in C++
// to set a member function ptr to a base class function.
void
HttpChannelChild::HandleAsyncAbort()
{
HttpAsyncAborter<HttpChannelChild>::HandleAsyncAbort();
}
void
HttpChannelChild::FailedAsyncOpen(const nsresult& status)
{
LOG(("HttpChannelChild::FailedAsyncOpen [this=%p status=%x]\n", this, status));
mStatus = status;
// We're already being called from IPDL, therefore already "async"
HandleAsyncAbort();
if (mIPCOpen) {
SendDeletingChannel();
}
}
void
HttpChannelChild::DoNotifyListenerCleanup()
{
LOG(("HttpChannelChild::DoNotifyListenerCleanup [this=%p]\n", this));
if (mInterceptListener) {
mInterceptListener->Cleanup();
mInterceptListener = nullptr;
}
}
class DeleteSelfEvent : public ChannelEvent
{
public:
explicit DeleteSelfEvent(HttpChannelChild* child) : mChild(child) {}
void Run() { mChild->DeleteSelf(); }
private:
HttpChannelChild* mChild;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvDeleteSelf()
{
LOG(("HttpChannelChild::RecvDeleteSelf [this=%p]\n", this));
mEventQ->RunOrEnqueue(new DeleteSelfEvent(this));
return IPC_OK();
}
HttpChannelChild::OverrideRunnable::OverrideRunnable(HttpChannelChild* aChannel,
HttpChannelChild* aNewChannel,
InterceptStreamListener* aListener,
nsIInputStream* aInput,
nsAutoPtr<nsHttpResponseHead>& aHead)
{
mChannel = aChannel;
mNewChannel = aNewChannel;
mListener = aListener;
mInput = aInput;
mHead = aHead;
}
void
HttpChannelChild::OverrideRunnable::OverrideWithSynthesizedResponse()
{
if (mNewChannel) {
mNewChannel->OverrideWithSynthesizedResponse(mHead, mInput, mListener);
}
}
NS_IMETHODIMP
HttpChannelChild::OverrideRunnable::Run()
{
bool ret = mChannel->Redirect3Complete(this);
// If the method returns false, it means the IPDL connection is being
// asyncly torn down and reopened, and OverrideWithSynthesizedResponse
// will be called later from FinishInterceptedRedirect. This object will
// be assigned to HttpChannelChild::mOverrideRunnable in order to do so.
// If it is true, we can call the method right now.
if (ret) {
OverrideWithSynthesizedResponse();
}
return NS_OK;
}
mozilla::ipc::IPCResult
HttpChannelChild::RecvFinishInterceptedRedirect()
{
// Hold a ref to this to keep it from being deleted by Send__delete__()
RefPtr<HttpChannelChild> self(this);
Send__delete__(this);
// Reset the event target to which queued messages are delivered. Otherwise
// we'll get an assertion when we re-use the channel later on.
mEventQ->ResetDeliveryTarget();
// The IPDL connection was torn down by a interception logic in
// CompleteRedirectSetup, and we need to call FinishInterceptedRedirect.
NS_DispatchToMainThread(NewRunnableMethod(this, &HttpChannelChild::FinishInterceptedRedirect));
return IPC_OK();
}
void
HttpChannelChild::DeleteSelf()
{
Send__delete__(this);
}
void HttpChannelChild::FinishInterceptedRedirect()
{
nsresult rv;
if (mLoadInfo && mLoadInfo->GetEnforceSecurity()) {
MOZ_ASSERT(!mInterceptedRedirectContext, "the context should be null!");
rv = AsyncOpen2(mInterceptedRedirectListener);
} else {
rv = AsyncOpen(mInterceptedRedirectListener, mInterceptedRedirectContext);
}
mInterceptedRedirectListener = nullptr;
mInterceptedRedirectContext = nullptr;
if (mInterceptingChannel) {
mInterceptingChannel->CleanupRedirectingChannel(rv);
mInterceptingChannel = nullptr;
}
if (mOverrideRunnable) {
mOverrideRunnable->OverrideWithSynthesizedResponse();
mOverrideRunnable = nullptr;
}
}
mozilla::ipc::IPCResult
HttpChannelChild::RecvReportSecurityMessage(const nsString& messageTag,
const nsString& messageCategory)
{
AddSecurityMessage(messageTag, messageCategory);
return IPC_OK();
}
class Redirect1Event : public ChannelEvent
{
public:
Redirect1Event(HttpChannelChild* child,
const uint32_t& registrarId,
const URIParams& newURI,
const uint32_t& redirectFlags,
const nsHttpResponseHead& responseHead,
const nsACString& securityInfoSerialization,
const nsACString& channelId)
: mChild(child)
, mRegistrarId(registrarId)
, mNewURI(newURI)
, mRedirectFlags(redirectFlags)
, mResponseHead(responseHead)
, mSecurityInfoSerialization(securityInfoSerialization)
, mChannelId(channelId) {}
void Run()
{
mChild->Redirect1Begin(mRegistrarId, mNewURI, mRedirectFlags,
mResponseHead, mSecurityInfoSerialization,
mChannelId);
}
private:
HttpChannelChild* mChild;
uint32_t mRegistrarId;
URIParams mNewURI;
uint32_t mRedirectFlags;
nsHttpResponseHead mResponseHead;
nsCString mSecurityInfoSerialization;
nsCString mChannelId;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvRedirect1Begin(const uint32_t& registrarId,
const URIParams& newUri,
const uint32_t& redirectFlags,
const nsHttpResponseHead& responseHead,
const nsCString& securityInfoSerialization,
const nsCString& channelId)
{
// TODO: handle security info
LOG(("HttpChannelChild::RecvRedirect1Begin [this=%p]\n", this));
mEventQ->RunOrEnqueue(new Redirect1Event(this, registrarId, newUri,
redirectFlags, responseHead,
securityInfoSerialization,
channelId));
return IPC_OK();
}
nsresult
HttpChannelChild::SetupRedirect(nsIURI* uri,
const nsHttpResponseHead* responseHead,
const uint32_t& redirectFlags,
nsIChannel** outChannel)
{
LOG(("HttpChannelChild::SetupRedirect [this=%p]\n", this));
nsresult rv;
nsCOMPtr<nsIIOService> ioService;
rv = gHttpHandler->GetIOService(getter_AddRefs(ioService));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIChannel> newChannel;
rv = NS_NewChannelInternal(getter_AddRefs(newChannel),
uri,
mLoadInfo,
nullptr, // aLoadGroup
nullptr, // aCallbacks
nsIRequest::LOAD_NORMAL,
ioService);
NS_ENSURE_SUCCESS(rv, rv);
// We won't get OnStartRequest, set cookies here.
mResponseHead = new nsHttpResponseHead(*responseHead);
bool rewriteToGET = HttpBaseChannel::ShouldRewriteRedirectToGET(mResponseHead->Status(),
mRequestHead.ParsedMethod());
rv = SetupReplacementChannel(uri, newChannel, !rewriteToGET, redirectFlags);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIHttpChannelChild> httpChannelChild = do_QueryInterface(newChannel);
if (httpChannelChild) {
bool shouldUpgrade = false;
auto channelChild = static_cast<HttpChannelChild*>(httpChannelChild.get());
if (mShouldInterceptSubsequentRedirect) {
// In the case where there was a synthesized response that caused a redirection,
// we must force the new channel to intercept the request in the parent before a
// network transaction is initiated.
httpChannelChild->ForceIntercepted(false, false);
} else if (mRedirectMode == nsIHttpChannelInternal::REDIRECT_MODE_MANUAL &&
((redirectFlags & (nsIChannelEventSink::REDIRECT_TEMPORARY |
nsIChannelEventSink::REDIRECT_PERMANENT)) != 0) &&
channelChild->ShouldInterceptURI(uri, shouldUpgrade)) {
// In the case where the redirect mode is manual, we need to check whether
// the post-redirect channel needs to be intercepted. If that is the
// case, force the new channel to intercept the request in the parent
// similar to the case above, but also remember that ShouldInterceptURI()
// returned true to avoid calling it a second time.
httpChannelChild->ForceIntercepted(true, shouldUpgrade);
}
}
mRedirectChannelChild = do_QueryInterface(newChannel);
newChannel.forget(outChannel);
return NS_OK;
}
void
HttpChannelChild::Redirect1Begin(const uint32_t& registrarId,
const URIParams& newUri,
const uint32_t& redirectFlags,
const nsHttpResponseHead& responseHead,
const nsACString& securityInfoSerialization,
const nsACString& channelId)
{
LOG(("HttpChannelChild::Redirect1Begin [this=%p]\n", this));
nsCOMPtr<nsIURI> uri = DeserializeURI(newUri);
if (!securityInfoSerialization.IsEmpty()) {
NS_DeserializeObject(securityInfoSerialization,
getter_AddRefs(mSecurityInfo));
}
nsCOMPtr<nsIChannel> newChannel;
nsresult rv = SetupRedirect(uri,
&responseHead,
redirectFlags,
getter_AddRefs(newChannel));
if (NS_SUCCEEDED(rv)) {
if (mRedirectChannelChild) {
// Set the channelId allocated in parent to the child instance
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(mRedirectChannelChild);
if (httpChannel) {
httpChannel->SetChannelId(channelId);
}
mRedirectChannelChild->ConnectParent(registrarId);
}
rv = gHttpHandler->AsyncOnChannelRedirect(this, newChannel, redirectFlags);
}
if (NS_FAILED(rv))
OnRedirectVerifyCallback(rv);
}
void
HttpChannelChild::BeginNonIPCRedirect(nsIURI* responseURI,
const nsHttpResponseHead* responseHead)
{
LOG(("HttpChannelChild::BeginNonIPCRedirect [this=%p]\n", this));
nsCOMPtr<nsIChannel> newChannel;
nsresult rv = SetupRedirect(responseURI,
responseHead,
nsIChannelEventSink::REDIRECT_INTERNAL,
getter_AddRefs(newChannel));
if (NS_SUCCEEDED(rv)) {
// Ensure that the new channel shares the original channel's security information,
// since it won't be provided via IPC. In particular, if the target of this redirect
// is a synthesized response that has its own security info, the pre-redirect channel
// has already received it and it must be propagated to the post-redirect channel.
nsCOMPtr<nsIHttpChannelChild> channelChild = do_QueryInterface(newChannel);
if (mSecurityInfo && channelChild) {
HttpChannelChild* httpChannelChild = static_cast<HttpChannelChild*>(channelChild.get());
httpChannelChild->OverrideSecurityInfoForNonIPCRedirect(mSecurityInfo);
}
rv = gHttpHandler->AsyncOnChannelRedirect(this,
newChannel,
nsIChannelEventSink::REDIRECT_INTERNAL);
}
if (NS_FAILED(rv))
OnRedirectVerifyCallback(rv);
}
void
HttpChannelChild::OverrideSecurityInfoForNonIPCRedirect(nsISupports* securityInfo)
{
mResponseCouldBeSynthesized = true;
OverrideSecurityInfo(securityInfo);
}
class Redirect3Event : public ChannelEvent
{
public:
explicit Redirect3Event(HttpChannelChild* child) : mChild(child) {}
void Run() { mChild->Redirect3Complete(nullptr); }
private:
HttpChannelChild* mChild;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvRedirect3Complete()
{
LOG(("HttpChannelChild::RecvRedirect3Complete [this=%p]\n", this));
mEventQ->RunOrEnqueue(new Redirect3Event(this));
return IPC_OK();
}
class HttpFlushedForDiversionEvent : public ChannelEvent
{
public:
explicit HttpFlushedForDiversionEvent(HttpChannelChild* aChild)
: mChild(aChild)
{
MOZ_RELEASE_ASSERT(aChild);
}
void Run()
{
mChild->FlushedForDiversion();
}
private:
HttpChannelChild* mChild;
};
mozilla::ipc::IPCResult
HttpChannelChild::RecvFlushedForDiversion()
{
LOG(("HttpChannelChild::RecvFlushedForDiversion [this=%p]\n", this));
MOZ_RELEASE_ASSERT(mDivertingToParent);
mEventQ->RunOrEnqueue(new HttpFlushedForDiversionEvent(this), true);
return IPC_OK();
}
mozilla::ipc::IPCResult
HttpChannelChild::RecvNotifyTrackingProtectionDisabled()
{
nsChannelClassifier::NotifyTrackingProtectionDisabled(this);
return IPC_OK();
}
mozilla::ipc::IPCResult
HttpChannelChild::RecvNotifyTrackingResource()
{
SetIsTrackingResource();
return IPC_OK();
}
void
HttpChannelChild::FlushedForDiversion()
{
LOG(("HttpChannelChild::FlushedForDiversion [this=%p]\n", this));
MOZ_RELEASE_ASSERT(mDivertingToParent);
// Once this is set, it should not be unset before HttpChannelChild is taken
// down. After it is set, no OnStart/OnData/OnStop callbacks should be
// received from the parent channel, nor dequeued from the ChannelEventQueue.
mFlushedForDiversion = true;
SendDivertComplete();
}
mozilla::ipc::IPCResult
HttpChannelChild::RecvDivertMessages()
{
LOG(("HttpChannelChild::RecvDivertMessages [this=%p]\n", this));
MOZ_RELEASE_ASSERT(mDivertingToParent);
MOZ_RELEASE_ASSERT(mSuspendCount > 0);
// DivertTo() has been called on parent, so we can now start sending queued
// IPDL messages back to parent listener.
MOZ_RELEASE_ASSERT(NS_SUCCEEDED(Resume()));
return IPC_OK();
}
// Returns true if has actually completed the redirect and cleaned up the
// channel, or false the interception logic kicked in and we need to asyncly
// call FinishInterceptedRedirect and CleanupRedirectingChannel.
// The argument is an optional OverrideRunnable that we pass to the redirected
// channel.
bool
HttpChannelChild::Redirect3Complete(OverrideRunnable* aRunnable)
{
LOG(("HttpChannelChild::Redirect3Complete [this=%p]\n", this));
nsresult rv = NS_OK;
nsCOMPtr<nsIHttpChannelChild> chan = do_QueryInterface(mRedirectChannelChild);
RefPtr<HttpChannelChild> httpChannelChild = static_cast<HttpChannelChild*>(chan.get());
// Chrome channel has been AsyncOpen'd. Reflect this in child.
if (mRedirectChannelChild) {
if (httpChannelChild) {
httpChannelChild->mOverrideRunnable = aRunnable;
httpChannelChild->mInterceptingChannel = this;
}
rv = mRedirectChannelChild->CompleteRedirectSetup(mListener,
mListenerContext);
}
if (!httpChannelChild || !httpChannelChild->mShouldParentIntercept) {
// The redirect channel either isn't a HttpChannelChild, or the interception
// logic wasn't triggered, so we can clean it up right here.
CleanupRedirectingChannel(rv);
if (httpChannelChild) {
httpChannelChild->mOverrideRunnable = nullptr;
httpChannelChild->mInterceptingChannel = nullptr;
}
return true;
}
return false;
}
void
HttpChannelChild::CleanupRedirectingChannel(nsresult rv)
{
// Redirecting to new channel: shut this down and init new channel
if (mLoadGroup)
mLoadGroup->RemoveRequest(this, nullptr, NS_BINDING_ABORTED);
if (NS_SUCCEEDED(rv)) {
if (mLoadInfo) {
mLoadInfo->AppendRedirectedPrincipal(GetURIPrincipal(), false);
}
}
else {
NS_WARNING("CompleteRedirectSetup failed, HttpChannelChild already open?");
}
// Release ref to new channel.
mRedirectChannelChild = nullptr;
if (mInterceptListener) {
mInterceptListener->Cleanup();
mInterceptListener = nullptr;
}
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIChildChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::ConnectParent(uint32_t registrarId)
{
LOG(("HttpChannelChild::ConnectParent [this=%p]\n", this));
mozilla::dom::TabChild* tabChild = nullptr;
nsCOMPtr<nsITabChild> iTabChild;
GetCallback(iTabChild);
if (iTabChild) {
tabChild = static_cast<mozilla::dom::TabChild*>(iTabChild.get());
}
if (MissingRequiredTabChild(tabChild, "http")) {
return NS_ERROR_ILLEGAL_VALUE;
}
if (tabChild && !tabChild->IPCOpen()) {
return NS_ERROR_FAILURE;
}
HttpBaseChannel::SetDocshellUserAgentOverride();
// The socket transport in the chrome process now holds a logical ref to us
// until OnStopRequest, or we do a redirect, or we hit an IPDL error.
AddIPDLReference();
// This must happen before the constructor message is sent. Otherwise messages
// from the parent could arrive quickly and be delivered to the wrong event
// target.
SetEventTarget();
HttpChannelConnectArgs connectArgs(registrarId, mShouldParentIntercept);
PBrowserOrId browser = static_cast<ContentChild*>(gNeckoChild->Manager())
->GetBrowserOrId(tabChild);
if (!gNeckoChild->
SendPHttpChannelConstructor(this, browser,
IPC::SerializedLoadContext(this),
connectArgs)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::CompleteRedirectSetup(nsIStreamListener *listener,
nsISupports *aContext)
{
LOG(("HttpChannelChild::FinishRedirectSetup [this=%p]\n", this));
NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS);
NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED);
if (mShouldParentIntercept) {
// This is a redirected channel, and the corresponding parent channel has started
// AsyncOpen but was intercepted and suspended. We must tear it down and start
// fresh - we will intercept the child channel this time, before creating a new
// parent channel unnecessarily.
// Since this method is called from RecvRedirect3Complete which itself is
// called from either OnRedirectVerifyCallback via OverrideRunnable, or from
// RecvRedirect3Complete. The order of events must always be:
// 1. Teardown the IPDL connection
// 2. AsyncOpen the connection again
// 3. Cleanup the redirecting channel (the one calling Redirect3Complete)
// 4. [optional] Call OverrideWithSynthesizedResponse on the redirected
// channel if the call came from OverrideRunnable.
mInterceptedRedirectListener = listener;
mInterceptedRedirectContext = aContext;
// This will send a message to the parent notifying it that we are closing
// down. After closing the IPC channel, we will proceed to execute
// FinishInterceptedRedirect() which AsyncOpen's the channel again.
SendFinishInterceptedRedirect();
// XXX valentin: The interception logic should be rewritten to avoid
// calling AsyncOpen on the channel _after_ we call Send__delete__()
return NS_OK;
}
/*
* No need to check for cancel: we don't get here if nsHttpChannel canceled
* before AsyncOpen(); if it's canceled after that, OnStart/Stop will just
* get called with error code as usual. So just setup mListener and make the
* channel reflect AsyncOpen'ed state.
*/
mIsPending = true;
mWasOpened = true;
mListener = listener;
mListenerContext = aContext;
// add ourselves to the load group.
if (mLoadGroup)
mLoadGroup->AddRequest(this, nullptr);
// We already have an open IPDL connection to the parent. If on-modify-request
// listeners or load group observers canceled us, let the parent handle it
// and send it back to us naturally.
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIAsyncVerifyRedirectCallback
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::OnRedirectVerifyCallback(nsresult result)
{
LOG(("HttpChannelChild::OnRedirectVerifyCallback [this=%p]\n", this));
nsresult rv;
OptionalURIParams redirectURI;
uint32_t referrerPolicy = REFERRER_POLICY_UNSET;
OptionalURIParams referrerURI;
SerializeURI(nullptr, referrerURI);
nsCOMPtr<nsIHttpChannel> newHttpChannel =
do_QueryInterface(mRedirectChannelChild);
if (NS_SUCCEEDED(result) && !mRedirectChannelChild) {
// mRedirectChannelChild doesn't exist means we're redirecting to a protocol
// that doesn't implement nsIChildChannel. The redirect result should be set
// as failed by veto listeners and shouldn't enter this condition. As the
// last resort, we synthesize the error result as NS_ERROR_DOM_BAD_URI here
// to let nsHttpChannel::ContinueProcessResponse2 know it's redirecting to
// another protocol and throw an error.
LOG((" redirecting to a protocol that doesn't implement nsIChildChannel"));
result = NS_ERROR_DOM_BAD_URI;
}
bool forceHSTSPriming = false;
bool mixedContentWouldBlock = false;
if (newHttpChannel) {
// Must not be called until after redirect observers called.
newHttpChannel->SetOriginalURI(mOriginalURI);
nsCOMPtr<nsILoadInfo> newLoadInfo;
rv = newHttpChannel->GetLoadInfo(getter_AddRefs(newLoadInfo));
if (NS_SUCCEEDED(rv) && newLoadInfo) {
forceHSTSPriming = newLoadInfo->GetForceHSTSPriming();
mixedContentWouldBlock = newLoadInfo->GetMixedContentWouldBlock();
}
newHttpChannel->GetReferrerPolicy(&referrerPolicy);
nsCOMPtr<nsIURI> newChannelReferrerURI;
newHttpChannel->GetReferrer(getter_AddRefs(newChannelReferrerURI));
SerializeURI(newChannelReferrerURI, referrerURI);
}
if (mRedirectingForSubsequentSynthesizedResponse) {
nsCOMPtr<nsIHttpChannelChild> httpChannelChild = do_QueryInterface(mRedirectChannelChild);
RefPtr<HttpChannelChild> redirectedChannel =
static_cast<HttpChannelChild*>(httpChannelChild.get());
// redirectChannel will be NULL if mRedirectChannelChild isn't a
// nsIHttpChannelChild (it could be a DataChannelChild).
RefPtr<InterceptStreamListener> streamListener =
new InterceptStreamListener(redirectedChannel, mListenerContext);
NS_DispatchToMainThread(new OverrideRunnable(this, redirectedChannel,
streamListener, mSynthesizedInput,
mResponseHead));
return NS_OK;
}
RequestHeaderTuples emptyHeaders;
RequestHeaderTuples* headerTuples = &emptyHeaders;
nsLoadFlags loadFlags = 0;
OptionalCorsPreflightArgs corsPreflightArgs = mozilla::void_t();
nsCOMPtr<nsIHttpChannelChild> newHttpChannelChild =
do_QueryInterface(mRedirectChannelChild);
if (newHttpChannelChild && NS_SUCCEEDED(result)) {
newHttpChannelChild->AddCookiesToRequest();
newHttpChannelChild->GetClientSetRequestHeaders(&headerTuples);
newHttpChannelChild->GetClientSetCorsPreflightParameters(corsPreflightArgs);
}
/* If the redirect was canceled, bypass OMR and send an empty API
* redirect URI */
SerializeURI(nullptr, redirectURI);
if (NS_SUCCEEDED(result)) {
// Note: this is where we would notify "http-on-modify-response" observers.
// We have deliberately disabled this for child processes (see bug 806753)
//
// After we verify redirect, nsHttpChannel may hit the network: must give
// "http-on-modify-request" observers the chance to cancel before that.
//base->CallOnModifyRequestObservers();
nsCOMPtr<nsIHttpChannelInternal> newHttpChannelInternal =
do_QueryInterface(mRedirectChannelChild);
if (newHttpChannelInternal) {
nsCOMPtr<nsIURI> apiRedirectURI;
nsresult rv = newHttpChannelInternal->GetApiRedirectToURI(
getter_AddRefs(apiRedirectURI));
if (NS_SUCCEEDED(rv) && apiRedirectURI) {
/* If there was an API redirect of this channel, we need to send it
* up here, since it can't be sent via SendAsyncOpen. */
SerializeURI(apiRedirectURI, redirectURI);
}
}
nsCOMPtr<nsIRequest> request = do_QueryInterface(mRedirectChannelChild);
if (request) {
request->GetLoadFlags(&loadFlags);
}
}
bool chooseAppcache = false;
nsCOMPtr<nsIApplicationCacheChannel> appCacheChannel =
do_QueryInterface(newHttpChannel);
if (appCacheChannel) {
appCacheChannel->GetChooseApplicationCache(&chooseAppcache);
}
if (mIPCOpen)
SendRedirect2Verify(result, *headerTuples, loadFlags, referrerPolicy,
referrerURI, redirectURI, corsPreflightArgs,
forceHSTSPriming, mixedContentWouldBlock, chooseAppcache);
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIRequest
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::Cancel(nsresult status)
{
LOG(("HttpChannelChild::Cancel [this=%p]\n", this));
MOZ_ASSERT(NS_IsMainThread());
if (!mCanceled) {
// If this cancel occurs before nsHttpChannel has been set up, AsyncOpen
// is responsible for cleaning up.
mCanceled = true;
mStatus = status;
if (RemoteChannelExists())
SendCancel(status);
if (mSynthesizedResponsePump) {
mSynthesizedResponsePump->Cancel(status);
}
mInterceptListener = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::Suspend()
{
LOG(("HttpChannelChild::Suspend [this=%p, mSuspendCount=%lu, "
"mDivertingToParent=%d]\n", this, mSuspendCount+1, mDivertingToParent));
NS_ENSURE_TRUE(RemoteChannelExists() || mInterceptListener,
NS_ERROR_NOT_AVAILABLE);
// SendSuspend only once, when suspend goes from 0 to 1.
// Don't SendSuspend at all if we're diverting callbacks to the parent;
// suspend will be called at the correct time in the parent itself.
if (!mSuspendCount++ && !mDivertingToParent) {
if (RemoteChannelExists()) {
SendSuspend();
mSuspendSent = true;
}
}
if (mSynthesizedResponsePump) {
mSynthesizedResponsePump->Suspend();
}
mEventQ->Suspend();
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::Resume()
{
LOG(("HttpChannelChild::Resume [this=%p, mSuspendCount=%lu, "
"mDivertingToParent=%d]\n", this, mSuspendCount-1, mDivertingToParent));
NS_ENSURE_TRUE(RemoteChannelExists() || mInterceptListener,
NS_ERROR_NOT_AVAILABLE);
NS_ENSURE_TRUE(mSuspendCount > 0, NS_ERROR_UNEXPECTED);
nsresult rv = NS_OK;
// SendResume only once, when suspend count drops to 0.
// Don't SendResume at all if we're diverting callbacks to the parent (unless
// suspend was sent earlier); otherwise, resume will be called at the correct
// time in the parent itself.
if (!--mSuspendCount && (!mDivertingToParent || mSuspendSent)) {
if (RemoteChannelExists()) {
SendResume();
}
if (mCallOnResume) {
AsyncCall(mCallOnResume);
mCallOnResume = nullptr;
}
}
if (mSynthesizedResponsePump) {
mSynthesizedResponsePump->Resume();
}
mEventQ->Resume();
return rv;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::GetSecurityInfo(nsISupports **aSecurityInfo)
{
NS_ENSURE_ARG_POINTER(aSecurityInfo);
NS_IF_ADDREF(*aSecurityInfo = mSecurityInfo);
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::AsyncOpen(nsIStreamListener *listener, nsISupports *aContext)
{
MOZ_ASSERT(!mLoadInfo ||
mLoadInfo->GetSecurityMode() == 0 ||
mLoadInfo->GetInitialSecurityCheckDone() ||
(mLoadInfo->GetSecurityMode() == nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL &&
nsContentUtils::IsSystemPrincipal(mLoadInfo->LoadingPrincipal())),
"security flags in loadInfo but asyncOpen2() not called");
LOG(("HttpChannelChild::AsyncOpen [this=%p uri=%s]\n", this, mSpec.get()));
#ifdef DEBUG
AssertPrivateBrowsingId();
#endif
if (mCanceled)
return mStatus;
NS_ENSURE_TRUE(gNeckoChild != nullptr, NS_ERROR_FAILURE);
NS_ENSURE_ARG_POINTER(listener);
NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS);
NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED);
mAsyncOpenTime = TimeStamp::Now();
#ifdef MOZ_TASK_TRACER
nsCOMPtr<nsIURI> uri;
GetURI(getter_AddRefs(uri));
nsAutoCString urispec;
uri->GetSpec(urispec);
tasktracer::AddLabel("HttpChannelChild::AsyncOpen %s", urispec.get());
#endif
// Port checked in parent, but duplicate here so we can return with error
// immediately
nsresult rv;
rv = NS_CheckPortSafety(mURI);
if (NS_FAILED(rv))
return rv;
nsAutoCString cookie;
if (NS_SUCCEEDED(mRequestHead.GetHeader(nsHttp::Cookie, cookie))) {
mUserSetCookieHeader = cookie;
}
AddCookiesToRequest();
//
// NOTE: From now on we must return NS_OK; all errors must be handled via
// OnStart/OnStopRequest
//
// We notify "http-on-opening-request" observers in the child
// process so that devtools can capture a stack trace at the
// appropriate spot. See bug 806753 for some information about why
// other http-* notifications are disabled in child processes.
gHttpHandler->OnOpeningRequest(this);
mIsPending = true;
mWasOpened = true;
mListener = listener;
mListenerContext = aContext;
// add ourselves to the load group.
if (mLoadGroup)
mLoadGroup->AddRequest(this, nullptr);
if (mCanceled) {
// We may have been canceled already, either by on-modify-request
// listeners or by load group observers; in that case, don't create IPDL
// connection. See nsHttpChannel::AsyncOpen().
AsyncAbort(mStatus);
return NS_OK;
}
// Set user agent override from docshell
HttpBaseChannel::SetDocshellUserAgentOverride();
MOZ_ASSERT_IF(mPostRedirectChannelShouldUpgrade,
mPostRedirectChannelShouldIntercept);
bool shouldUpgrade = mPostRedirectChannelShouldUpgrade;
if (mPostRedirectChannelShouldIntercept ||
ShouldInterceptURI(mURI, shouldUpgrade)) {
mResponseCouldBeSynthesized = true;
nsCOMPtr<nsINetworkInterceptController> controller;
GetCallback(controller);
mInterceptListener = new InterceptStreamListener(this, mListenerContext);
RefPtr<InterceptedChannelContent> intercepted =
new InterceptedChannelContent(this, controller,
mInterceptListener, shouldUpgrade);
intercepted->NotifyController();
return NS_OK;
}
return ContinueAsyncOpen();
}
NS_IMETHODIMP
HttpChannelChild::AsyncOpen2(nsIStreamListener *aListener)
{
nsCOMPtr<nsIStreamListener> listener = aListener;
nsresult rv = nsContentSecurityManager::doContentSecurityCheck(this, listener);
NS_ENSURE_SUCCESS(rv, rv);
return AsyncOpen(listener, nullptr);
}
// Assigns an nsIEventTarget to our IPDL actor so that IPC messages are sent to
// the correct DocGroup/TabGroup.
void
HttpChannelChild::SetEventTarget()
{
nsCOMPtr<nsILoadInfo> loadInfo;
GetLoadInfo(getter_AddRefs(loadInfo));
if (!loadInfo) {
return;
}
nsCOMPtr<nsIDOMDocument> domDoc;
loadInfo->GetLoadingDocument(getter_AddRefs(domDoc));
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
RefPtr<Dispatcher> dispatcher;
if (doc) {
dispatcher = doc->GetDocGroup();
} else {
// There's no document yet, but this might be a top-level load where we can
// find a TabGroup.
uint64_t outerWindowId;
if (NS_FAILED(loadInfo->GetOuterWindowID(&outerWindowId))) {
// No window. This might be an add-on XHR, a service worker request, or
// something else.
return;
}
RefPtr<nsGlobalWindow> window = nsGlobalWindow::GetOuterWindowWithId(outerWindowId);
if (!window) {
return;
}
#ifdef DEBUG
// We have a TabGroup. This must be a top-level load.
bool isMainDocumentChannel;
GetIsMainDocumentChannel(&isMainDocumentChannel);
MOZ_ASSERT(isMainDocumentChannel);
#endif
dispatcher = window->TabGroup();
}
if (dispatcher) {
nsCOMPtr<nsIEventTarget> target =
dispatcher->EventTargetFor(TaskCategory::Network);
gNeckoChild->SetEventTargetForActor(this, target);
mEventQ->RetargetDeliveryTo(target);
}
}
nsresult
HttpChannelChild::ContinueAsyncOpen()
{
nsCString appCacheClientId;
if (mInheritApplicationCache) {
// Pick up an application cache from the notification
// callbacks if available
nsCOMPtr<nsIApplicationCacheContainer> appCacheContainer;
GetCallback(appCacheContainer);
if (appCacheContainer) {
nsCOMPtr<nsIApplicationCache> appCache;
nsresult rv = appCacheContainer->GetApplicationCache(getter_AddRefs(appCache));
if (NS_SUCCEEDED(rv) && appCache) {
appCache->GetClientID(appCacheClientId);
}
}
}
//
// Send request to the chrome process...
//
mozilla::dom::TabChild* tabChild = nullptr;
nsCOMPtr<nsITabChild> iTabChild;
GetCallback(iTabChild);
if (iTabChild) {
tabChild = static_cast<mozilla::dom::TabChild*>(iTabChild.get());
}
if (MissingRequiredTabChild(tabChild, "http")) {
return NS_ERROR_ILLEGAL_VALUE;
}
// This id identifies the inner window's top-level document,
// which changes on every new load or navigation.
uint64_t contentWindowId = 0;
if (tabChild) {
MOZ_ASSERT(tabChild->WebNavigation());
nsCOMPtr<nsIDocument> document = tabChild->GetDocument();
if (document) {
contentWindowId = document->InnerWindowID();
}
}
SetTopLevelContentWindowId(contentWindowId);
HttpChannelOpenArgs openArgs;
// No access to HttpChannelOpenArgs members, but they each have a
// function with the struct name that returns a ref.
SerializeURI(mURI, openArgs.uri());
SerializeURI(mOriginalURI, openArgs.original());
SerializeURI(mDocumentURI, openArgs.doc());
SerializeURI(mReferrer, openArgs.referrer());
openArgs.referrerPolicy() = mReferrerPolicy;
SerializeURI(mAPIRedirectToURI, openArgs.apiRedirectTo());
openArgs.loadFlags() = mLoadFlags;
openArgs.requestHeaders() = mClientSetRequestHeaders;
mRequestHead.Method(openArgs.requestMethod());
openArgs.preferredAlternativeType() = mPreferredCachedAltDataType;
AutoIPCStream autoStream(openArgs.uploadStream());
if (mUploadStream) {
autoStream.Serialize(mUploadStream, ContentChild::GetSingleton());
autoStream.TakeOptionalValue();
}
if (mResponseHead) {
openArgs.synthesizedResponseHead() = *mResponseHead;
openArgs.suspendAfterSynthesizeResponse() =
mSuspendParentAfterSynthesizeResponse;
} else {
openArgs.synthesizedResponseHead() = mozilla::void_t();
openArgs.suspendAfterSynthesizeResponse() = false;
}
nsCOMPtr<nsISerializable> secInfoSer = do_QueryInterface(mSecurityInfo);
if (secInfoSer) {
NS_SerializeToString(secInfoSer, openArgs.synthesizedSecurityInfoSerialization());
}
OptionalCorsPreflightArgs optionalCorsPreflightArgs;
GetClientSetCorsPreflightParameters(optionalCorsPreflightArgs);
// NB: This call forces us to cache mTopWindowURI if we haven't already.
nsCOMPtr<nsIURI> uri;
GetTopWindowURI(getter_AddRefs(uri));
SerializeURI(mTopWindowURI, openArgs.topWindowURI());
openArgs.preflightArgs() = optionalCorsPreflightArgs;
openArgs.uploadStreamHasHeaders() = mUploadStreamHasHeaders;
openArgs.priority() = mPriority;
openArgs.classOfService() = mClassOfService;
openArgs.redirectionLimit() = mRedirectionLimit;
openArgs.allowPipelining() = mAllowPipelining;
openArgs.allowSTS() = mAllowSTS;
openArgs.thirdPartyFlags() = mThirdPartyFlags;
openArgs.resumeAt() = mSendResumeAt;
openArgs.startPos() = mStartPos;
openArgs.entityID() = mEntityID;
openArgs.chooseApplicationCache() = mChooseApplicationCache;
openArgs.appCacheClientID() = appCacheClientId;
openArgs.allowSpdy() = mAllowSpdy;
openArgs.allowAltSvc() = mAllowAltSvc;
openArgs.beConservative() = mBeConservative;
openArgs.initialRwin() = mInitialRwin;
uint32_t cacheKey = 0;
if (mCacheKey) {
nsCOMPtr<nsISupportsPRUint32> container = do_QueryInterface(mCacheKey);
if (!container) {
return NS_ERROR_ILLEGAL_VALUE;
}
nsresult rv = container->GetData(&cacheKey);
if (NS_FAILED(rv)) {
return rv;
}
}
openArgs.cacheKey() = cacheKey;
openArgs.blockAuthPrompt() = mBlockAuthPrompt;
openArgs.allowStaleCacheContent() = mAllowStaleCacheContent;
openArgs.contentTypeHint() = mContentTypeHint;
nsresult rv = mozilla::ipc::LoadInfoToLoadInfoArgs(mLoadInfo, &openArgs.loadInfo());
NS_ENSURE_SUCCESS(rv, rv);
EnsureRequestContextID();
char rcid[NSID_LENGTH];
mRequestContextID.ToProvidedString(rcid);
openArgs.requestContextID().AssignASCII(rcid);
char chid[NSID_LENGTH];
mChannelId.ToProvidedString(chid);
openArgs.channelId().AssignASCII(chid);
openArgs.contentWindowId() = contentWindowId;
if (tabChild && !tabChild->IPCOpen()) {
return NS_ERROR_FAILURE;
}
ContentChild* cc = static_cast<ContentChild*>(gNeckoChild->Manager());
if (cc->IsShuttingDown()) {
return NS_ERROR_FAILURE;
}
// This must happen before the constructor message is sent. Otherwise messages
// from the parent could arrive quickly and be delivered to the wrong event
// target.
SetEventTarget();
// The socket transport in the chrome process now holds a logical ref to us
// until OnStopRequest, or we do a redirect, or we hit an IPDL error.
AddIPDLReference();
PBrowserOrId browser = cc->GetBrowserOrId(tabChild);
if (!gNeckoChild->SendPHttpChannelConstructor(this, browser,
IPC::SerializedLoadContext(this),
openArgs)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIHttpChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::SetReferrerWithPolicy(nsIURI *referrer,
uint32_t referrerPolicy)
{
ENSURE_CALLED_BEFORE_CONNECT();
// remove old referrer if any, loop backwards
for (int i = mClientSetRequestHeaders.Length() - 1; i >= 0; --i) {
if (NS_LITERAL_CSTRING("Referer").Equals(mClientSetRequestHeaders[i].mHeader)) {
mClientSetRequestHeaders.RemoveElementAt(i);
}
}
nsresult rv = HttpBaseChannel::SetReferrerWithPolicy(referrer, referrerPolicy);
if (NS_FAILED(rv))
return rv;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::SetRequestHeader(const nsACString& aHeader,
const nsACString& aValue,
bool aMerge)
{
LOG(("HttpChannelChild::SetRequestHeader [this=%p]\n", this));
nsresult rv = HttpBaseChannel::SetRequestHeader(aHeader, aValue, aMerge);
if (NS_FAILED(rv))
return rv;
RequestHeaderTuple* tuple = mClientSetRequestHeaders.AppendElement();
if (!tuple)
return NS_ERROR_OUT_OF_MEMORY;
tuple->mHeader = aHeader;
tuple->mValue = aValue;
tuple->mMerge = aMerge;
tuple->mEmpty = false;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::SetEmptyRequestHeader(const nsACString& aHeader)
{
LOG(("HttpChannelChild::SetEmptyRequestHeader [this=%p]\n", this));
nsresult rv = HttpBaseChannel::SetEmptyRequestHeader(aHeader);
if (NS_FAILED(rv))
return rv;
RequestHeaderTuple* tuple = mClientSetRequestHeaders.AppendElement();
if (!tuple)
return NS_ERROR_OUT_OF_MEMORY;
tuple->mHeader = aHeader;
tuple->mMerge = false;
tuple->mEmpty = true;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::RedirectTo(nsIURI *newURI)
{
// disabled until/unless addons run in child or something else needs this
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
HttpChannelChild::GetProtocolVersion(nsACString& aProtocolVersion)
{
aProtocolVersion = mProtocolVersion;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIHttpChannelInternal
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::SetupFallbackChannel(const char *aFallbackKey)
{
DROP_DEAD();
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsICacheInfoChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::GetCacheTokenExpirationTime(uint32_t *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
if (!mCacheEntryAvailable)
return NS_ERROR_NOT_AVAILABLE;
*_retval = mCacheExpirationTime;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::GetCacheTokenCachedCharset(nsACString &_retval)
{
if (!mCacheEntryAvailable)
return NS_ERROR_NOT_AVAILABLE;
_retval = mCachedCharset;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::SetCacheTokenCachedCharset(const nsACString &aCharset)
{
if (!mCacheEntryAvailable || !RemoteChannelExists())
return NS_ERROR_NOT_AVAILABLE;
mCachedCharset = aCharset;
if (!SendSetCacheTokenCachedCharset(PromiseFlatCString(aCharset))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::IsFromCache(bool *value)
{
if (!mIsPending)
return NS_ERROR_NOT_AVAILABLE;
*value = mIsFromCache;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::GetCacheKey(nsISupports **cacheKey)
{
NS_IF_ADDREF(*cacheKey = mCacheKey);
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::SetCacheKey(nsISupports *cacheKey)
{
ENSURE_CALLED_BEFORE_ASYNC_OPEN();
mCacheKey = cacheKey;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::SetAllowStaleCacheContent(bool aAllowStaleCacheContent)
{
mAllowStaleCacheContent = aAllowStaleCacheContent;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::GetAllowStaleCacheContent(bool *aAllowStaleCacheContent)
{
NS_ENSURE_ARG(aAllowStaleCacheContent);
*aAllowStaleCacheContent = mAllowStaleCacheContent;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::PreferAlternativeDataType(const nsACString & aType)
{
ENSURE_CALLED_BEFORE_ASYNC_OPEN();
mPreferredCachedAltDataType = aType;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::GetAlternativeDataType(nsACString & aType)
{
// Must be called during or after OnStartRequest
if (!mAfterOnStartRequestBegun) {
return NS_ERROR_NOT_AVAILABLE;
}
aType = mAvailableCachedAltDataType;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::OpenAlternativeOutputStream(const nsACString & aType, nsIOutputStream * *_retval)
{
MOZ_ASSERT(NS_IsMainThread(), "Main thread only");
RefPtr<AltDataOutputStreamChild> stream =
static_cast<AltDataOutputStreamChild*>(gNeckoChild->SendPAltDataOutputStreamConstructor(nsCString(aType), this));
stream.forget(_retval);
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIResumableChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::ResumeAt(uint64_t startPos, const nsACString& entityID)
{
LOG(("HttpChannelChild::ResumeAt [this=%p]\n", this));
ENSURE_CALLED_BEFORE_CONNECT();
mStartPos = startPos;
mEntityID = entityID;
mSendResumeAt = true;
return NS_OK;
}
// GetEntityID is shared in HttpBaseChannel
//-----------------------------------------------------------------------------
// HttpChannelChild::nsISupportsPriority
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::SetPriority(int32_t aPriority)
{
int16_t newValue = clamped<int32_t>(aPriority, INT16_MIN, INT16_MAX);
if (mPriority == newValue)
return NS_OK;
mPriority = newValue;
if (RemoteChannelExists())
SendSetPriority(mPriority);
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIClassOfService
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::SetClassFlags(uint32_t inFlags)
{
if (mClassOfService == inFlags) {
return NS_OK;
}
mClassOfService = inFlags;
if (RemoteChannelExists()) {
SendSetClassOfService(mClassOfService);
}
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::AddClassFlags(uint32_t inFlags)
{
mClassOfService |= inFlags;
if (RemoteChannelExists()) {
SendSetClassOfService(mClassOfService);
}
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::ClearClassFlags(uint32_t inFlags)
{
mClassOfService &= ~inFlags;
if (RemoteChannelExists()) {
SendSetClassOfService(mClassOfService);
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIProxiedChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::GetProxyInfo(nsIProxyInfo **aProxyInfo)
{
DROP_DEAD();
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIApplicationCacheContainer
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::GetApplicationCache(nsIApplicationCache **aApplicationCache)
{
NS_IF_ADDREF(*aApplicationCache = mApplicationCache);
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::SetApplicationCache(nsIApplicationCache *aApplicationCache)
{
NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED);
mApplicationCache = aApplicationCache;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIApplicationCacheChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::GetApplicationCacheForWrite(nsIApplicationCache **aApplicationCache)
{
*aApplicationCache = nullptr;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::SetApplicationCacheForWrite(nsIApplicationCache *aApplicationCache)
{
NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED);
// Child channels are not intended to be used for cache writes
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
HttpChannelChild::GetLoadedFromApplicationCache(bool *aLoadedFromApplicationCache)
{
*aLoadedFromApplicationCache = mLoadedFromApplicationCache;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::GetInheritApplicationCache(bool *aInherit)
{
*aInherit = mInheritApplicationCache;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::SetInheritApplicationCache(bool aInherit)
{
mInheritApplicationCache = aInherit;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::GetChooseApplicationCache(bool *aChoose)
{
*aChoose = mChooseApplicationCache;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::SetChooseApplicationCache(bool aChoose)
{
mChooseApplicationCache = aChoose;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::MarkOfflineCacheEntryAsForeign()
{
SendMarkOfflineCacheEntryAsForeign();
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIAssociatedContentSecurity
//-----------------------------------------------------------------------------
bool
HttpChannelChild::GetAssociatedContentSecurity(
nsIAssociatedContentSecurity** _result)
{
if (!mSecurityInfo)
return false;
nsCOMPtr<nsIAssociatedContentSecurity> assoc =
do_QueryInterface(mSecurityInfo);
if (!assoc)
return false;
if (_result)
assoc.forget(_result);
return true;
}
NS_IMETHODIMP
HttpChannelChild::GetCountSubRequestsBrokenSecurity(
int32_t *aSubRequestsBrokenSecurity)
{
nsCOMPtr<nsIAssociatedContentSecurity> assoc;
if (!GetAssociatedContentSecurity(getter_AddRefs(assoc)))
return NS_OK;
return assoc->GetCountSubRequestsBrokenSecurity(aSubRequestsBrokenSecurity);
}
NS_IMETHODIMP
HttpChannelChild::SetCountSubRequestsBrokenSecurity(
int32_t aSubRequestsBrokenSecurity)
{
nsCOMPtr<nsIAssociatedContentSecurity> assoc;
if (!GetAssociatedContentSecurity(getter_AddRefs(assoc)))
return NS_OK;
return assoc->SetCountSubRequestsBrokenSecurity(aSubRequestsBrokenSecurity);
}
NS_IMETHODIMP
HttpChannelChild::GetCountSubRequestsNoSecurity(int32_t *aSubRequestsNoSecurity)
{
nsCOMPtr<nsIAssociatedContentSecurity> assoc;
if (!GetAssociatedContentSecurity(getter_AddRefs(assoc)))
return NS_OK;
return assoc->GetCountSubRequestsNoSecurity(aSubRequestsNoSecurity);
}
NS_IMETHODIMP
HttpChannelChild::SetCountSubRequestsNoSecurity(int32_t aSubRequestsNoSecurity)
{
nsCOMPtr<nsIAssociatedContentSecurity> assoc;
if (!GetAssociatedContentSecurity(getter_AddRefs(assoc)))
return NS_OK;
return assoc->SetCountSubRequestsNoSecurity(aSubRequestsNoSecurity);
}
NS_IMETHODIMP
HttpChannelChild::Flush()
{
nsCOMPtr<nsIAssociatedContentSecurity> assoc;
if (!GetAssociatedContentSecurity(getter_AddRefs(assoc)))
return NS_OK;
nsresult rv;
int32_t broken, no;
rv = assoc->GetCountSubRequestsBrokenSecurity(&broken);
NS_ENSURE_SUCCESS(rv, rv);
rv = assoc->GetCountSubRequestsNoSecurity(&no);
NS_ENSURE_SUCCESS(rv, rv);
if (mIPCOpen)
SendUpdateAssociatedContentSecurity(broken, no);
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIHttpChannelChild
//-----------------------------------------------------------------------------
NS_IMETHODIMP HttpChannelChild::AddCookiesToRequest()
{
HttpBaseChannel::AddCookiesToRequest();
return NS_OK;
}
NS_IMETHODIMP HttpChannelChild::GetClientSetRequestHeaders(RequestHeaderTuples **aRequestHeaders)
{
*aRequestHeaders = &mClientSetRequestHeaders;
return NS_OK;
}
void
HttpChannelChild::GetClientSetCorsPreflightParameters(OptionalCorsPreflightArgs& aArgs)
{
if (mRequireCORSPreflight) {
CorsPreflightArgs args;
args.unsafeHeaders() = mUnsafeHeaders;
aArgs = args;
} else {
aArgs = mozilla::void_t();
}
}
NS_IMETHODIMP
HttpChannelChild::RemoveCorsPreflightCacheEntry(nsIURI* aURI,
nsIPrincipal* aPrincipal)
{
URIParams uri;
SerializeURI(aURI, uri);
PrincipalInfo principalInfo;
nsresult rv = PrincipalToPrincipalInfo(aPrincipal, &principalInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
bool result = false;
// Be careful to not attempt to send a message to the parent after the
// actor has been destroyed.
if (mIPCOpen) {
result = SendRemoveCorsPreflightCacheEntry(uri, principalInfo);
}
return result ? NS_OK : NS_ERROR_FAILURE;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIDivertableChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::DivertToParent(ChannelDiverterChild **aChild)
{
LOG(("HttpChannelChild::DivertToParent [this=%p]\n", this));
MOZ_RELEASE_ASSERT(aChild);
MOZ_RELEASE_ASSERT(gNeckoChild);
MOZ_RELEASE_ASSERT(!mDivertingToParent);
nsresult rv = NS_OK;
// If the channel was intercepted, then we likely do not have an IPC actor
// yet. We need one, though, in order to have a parent side to divert to.
// Therefore, create the actor just in time for us to suspend and divert it.
if (mSynthesizedResponse && !RemoteChannelExists()) {
mSuspendParentAfterSynthesizeResponse = true;
rv = ContinueAsyncOpen();
NS_ENSURE_SUCCESS(rv, rv);
}
// We must fail DivertToParent() if there's no parent end of the channel (and
// won't be!) due to early failure.
if (NS_FAILED(mStatus) && !RemoteChannelExists()) {
return mStatus;
}
// Once this is set, it should not be unset before the child is taken down.
mDivertingToParent = true;
rv = Suspend();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
HttpChannelDiverterArgs args;
args.mChannelChild() = this;
args.mApplyConversion() = mApplyConversion;
PChannelDiverterChild* diverter =
gNeckoChild->SendPChannelDiverterConstructor(args);
MOZ_RELEASE_ASSERT(diverter);
*aChild = static_cast<ChannelDiverterChild*>(diverter);
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::UnknownDecoderInvolvedKeepData()
{
LOG(("HttpChannelChild::UnknownDecoderInvolvedKeepData [this=%p]",
this));
mUnknownDecoderInvolved = true;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::UnknownDecoderInvolvedOnStartRequestCalled()
{
LOG(("HttpChannelChild::UnknownDecoderInvolvedOnStartRequestCalled "
"[this=%p, mDivertingToParent=%d]", this, mDivertingToParent));
mUnknownDecoderInvolved = false;
nsresult rv = NS_OK;
if (mDivertingToParent) {
rv = mEventQ->PrependEvents(mUnknownDecoderEventQ);
}
mUnknownDecoderEventQ.Clear();
return rv;
}
NS_IMETHODIMP
HttpChannelChild::GetDivertingToParent(bool* aDiverting)
{
NS_ENSURE_ARG_POINTER(aDiverting);
*aDiverting = mDivertingToParent;
return NS_OK;
}
void
HttpChannelChild::ResetInterception()
{
NS_ENSURE_TRUE_VOID(gNeckoChild != nullptr);
if (mInterceptListener) {
mInterceptListener->Cleanup();
}
mInterceptListener = nullptr;
// The chance to intercept any further requests associated with this channel
// (such as redirects) has passed.
mLoadFlags |= LOAD_BYPASS_SERVICE_WORKER;
// Continue with the original cross-process request
nsresult rv = ContinueAsyncOpen();
if (NS_WARN_IF(NS_FAILED(rv))) {
AsyncAbort(rv);
}
}
NS_IMETHODIMP
HttpChannelChild::GetResponseSynthesized(bool* aSynthesized)
{
NS_ENSURE_ARG_POINTER(aSynthesized);
*aSynthesized = mSynthesizedResponse;
return NS_OK;
}
void
HttpChannelChild::OverrideWithSynthesizedResponse(nsAutoPtr<nsHttpResponseHead>& aResponseHead,
nsIInputStream* aSynthesizedInput,
InterceptStreamListener* aStreamListener)
{
mInterceptListener = aStreamListener;
// Intercepted responses should already be decoded. If its a redirect,
// however, we want to respect the encoding of the final result instead.
if (!WillRedirect(aResponseHead)) {
SetApplyConversion(false);
}
mResponseHead = aResponseHead;
mSynthesizedResponse = true;
if (WillRedirect(mResponseHead)) {
mShouldInterceptSubsequentRedirect = true;
// Continue with the original cross-process request
nsresult rv = ContinueAsyncOpen();
if (NS_WARN_IF(NS_FAILED(rv))) {
AsyncAbort(rv);
}
return;
}
// In our current implementation, the FetchEvent handler will copy the
// response stream completely into the pipe backing the input stream so we
// can treat the available as the length of the stream.
uint64_t available;
nsresult rv = aSynthesizedInput->Available(&available);
if (NS_WARN_IF(NS_FAILED(rv))) {
mSynthesizedStreamLength = -1;
} else {
mSynthesizedStreamLength = int64_t(available);
}
rv = nsInputStreamPump::Create(getter_AddRefs(mSynthesizedResponsePump),
aSynthesizedInput,
int64_t(-1), int64_t(-1), 0, 0, true);
if (NS_WARN_IF(NS_FAILED(rv))) {
aSynthesizedInput->Close();
return;
}
rv = mSynthesizedResponsePump->AsyncRead(aStreamListener, nullptr);
NS_ENSURE_SUCCESS_VOID(rv);
// if this channel has been suspended previously, the pump needs to be
// correspondingly suspended now that it exists.
for (uint32_t i = 0; i < mSuspendCount; i++) {
rv = mSynthesizedResponsePump->Suspend();
NS_ENSURE_SUCCESS_VOID(rv);
}
if (mCanceled) {
mSynthesizedResponsePump->Cancel(mStatus);
}
}
NS_IMETHODIMP
HttpChannelChild::ForceIntercepted(bool aPostRedirectChannelShouldIntercept,
bool aPostRedirectChannelShouldUpgrade)
{
mShouldParentIntercept = true;
mPostRedirectChannelShouldIntercept = aPostRedirectChannelShouldIntercept;
mPostRedirectChannelShouldUpgrade = aPostRedirectChannelShouldUpgrade;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::ForceIntercepted(uint64_t aInterceptionID)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
void
HttpChannelChild::ForceIntercepted(nsIInputStream* aSynthesizedInput)
{
mSynthesizedInput = aSynthesizedInput;
mSynthesizedResponse = true;
mRedirectingForSubsequentSynthesizedResponse = true;
}
mozilla::ipc::IPCResult
HttpChannelChild::RecvIssueDeprecationWarning(const uint32_t& warning,
const bool& asError)
{
nsCOMPtr<nsIDeprecationWarner> warner;
GetCallback(warner);
if (warner) {
warner->IssueWarning(warning, asError);
}
return IPC_OK();
}
bool
HttpChannelChild::ShouldInterceptURI(nsIURI* aURI,
bool& aShouldUpgrade)
{
bool isHttps = false;
nsresult rv = aURI->SchemeIs("https", &isHttps);
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsIPrincipal> resultPrincipal;
if (!isHttps && mLoadInfo) {
nsContentUtils::GetSecurityManager()->
GetChannelResultPrincipal(this, getter_AddRefs(resultPrincipal));
}
rv = NS_ShouldSecureUpgrade(aURI,
mLoadInfo,
resultPrincipal,
mPrivateBrowsing,
mAllowSTS,
aShouldUpgrade);
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsIURI> upgradedURI;
if (aShouldUpgrade) {
rv = NS_GetSecureUpgradedURI(aURI, getter_AddRefs(upgradedURI));
NS_ENSURE_SUCCESS(rv, false);
}
return ShouldIntercept(upgradedURI ? upgradedURI.get() : aURI);
}
mozilla::ipc::IPCResult
HttpChannelChild::RecvSetPriority(const uint16_t& aPriority)
{
mPriority = aPriority;
return IPC_OK();
}
} // namespace net
} // namespace mozilla
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