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gecko-dev/netwerk/protocol/http/HttpChannelChild.cpp

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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/TabChild.h"
#include "mozilla/ipc/FileDescriptorSetChild.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/net/HttpChannelChild.h"
#include "nsChannelClassifier.h"
#include "nsStringStream.h"
#include "nsHttpHandler.h"
#include "nsNetUtil.h"
#include "nsSerializationHelper.h"
#include "mozilla/Attributes.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 "nsPerformance.h"
#include "mozIThirdPartyUtil.h"
#ifdef OS_POSIX
#include "chrome/common/file_descriptor_set_posix.h"
#endif
using namespace mozilla::dom;
using namespace mozilla::ipc;
namespace mozilla {
namespace net {
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
}
// A stream listener interposed between the nsInputStreamPump used for intercepted channels
// and this channel's original listener. This is only used to ensure the original listener
// sees the channel as the request object, and to synthesize OnStatus and OnProgress notifications.
class InterceptStreamListener : public nsIStreamListener
, public nsIProgressEventSink
{
nsRefPtr<HttpChannelChild> mOwner;
nsCOMPtr<nsISupports> mContext;
virtual ~InterceptStreamListener() {}
public:
InterceptStreamListener(HttpChannelChild* aOwner, nsISupports* aContext)
: mOwner(aOwner)
, mContext(aContext)
{
}
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSIPROGRESSEVENTSINK
void Cleanup();
};
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, 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)
, mDivertingToParent(false)
, mFlushedForDiversion(false)
, mSuspendSent(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;
// Send_delete calls NeckoChild::DeallocPHttpChannel, which will release
// again to refcount==0
PHttpChannelChild::Send__delete__(this);
return 0;
}
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* child,
const nsCString &groupID,
const nsCString &clientID)
: mChild(child)
, groupID(groupID)
, clientID(clientID) {}
void Run() { mChild->AssociateApplicationCache(groupID, clientID); }
private:
HttpChannelChild* mChild;
nsCString groupID;
nsCString clientID;
};
bool
HttpChannelChild::RecvAssociateApplicationCache(const nsCString &groupID,
const nsCString &clientID)
{
LOG(("HttpChannelChild::RecvAssociateApplicationCache [this=%p]\n", this));
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new AssociateApplicationCacheEvent(this, groupID, clientID));
} else {
AssociateApplicationCache(groupID, clientID);
}
return true;
}
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* child,
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)
: mChild(child)
, mChannelStatus(channelStatus)
, mResponseHead(responseHead)
, mRequestHeaders(requestHeaders)
, mUseResponseHead(useResponseHead)
, mIsFromCache(isFromCache)
, mCacheEntryAvailable(cacheEntryAvailable)
, mCacheExpirationTime(cacheExpirationTime)
, mCachedCharset(cachedCharset)
, mSecurityInfoSerialization(securityInfoSerialization)
, mSelfAddr(selfAddr)
, mPeerAddr(peerAddr)
, mCacheKey(cacheKey)
{}
void Run()
{
LOG(("StartRequestEvent [this=%p]\n", mChild));
mChild->OnStartRequest(mChannelStatus, mResponseHead, mUseResponseHead,
mRequestHeaders, mIsFromCache, mCacheEntryAvailable,
mCacheExpirationTime, mCachedCharset,
mSecurityInfoSerialization, mSelfAddr, mPeerAddr,
mCacheKey);
}
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;
};
bool
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)
{
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;
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new StartRequestEvent(this, channelStatus, responseHead,
useResponseHead, requestHeaders,
isFromCache, cacheEntryAvailable,
cacheExpirationTime, cachedCharset,
securityInfoSerialization, selfAddr,
peerAddr, cacheKey));
} else {
OnStartRequest(channelStatus, responseHead, useResponseHead, requestHeaders,
isFromCache, cacheEntryAvailable, cacheExpirationTime,
cachedCharset, securityInfoSerialization, selfAddr,
peerAddr, cacheKey);
}
return true;
}
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)
{
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;
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.Headers() = 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);
mSelfAddr = selfAddr;
mPeerAddr = peerAddr;
}
void
HttpChannelChild::DoOnStartRequest(nsIRequest* aRequest, nsISupports* aContext)
{
LOG(("HttpChannelChild::DoOnStartRequest [this=%p]\n", this));
nsresult rv = mListener->OnStartRequest(aRequest, aContext);
if (NS_FAILED(rv)) {
Cancel(rv);
return;
}
if (mResponseHead)
SetCookie(mResponseHead->PeekHeader(nsHttp::Set_Cookie));
if (mDivertingToParent) {
mListener = nullptr;
mListenerContext = nullptr;
if (mLoadGroup) {
mLoadGroup->RemoveRequest(this, nullptr, mStatus);
}
return;
}
nsCOMPtr<nsIStreamListener> listener;
rv = DoApplyContentConversions(mListener, getter_AddRefs(listener),
mListenerContext);
if (NS_FAILED(rv)) {
Cancel(rv);
} else if (listener) {
mListener = 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, mData, mOffset, mCount);
}
private:
HttpChannelChild* mChild;
nsresult mChannelStatus;
nsresult mTransportStatus;
uint64_t mProgress;
uint64_t mProgressMax;
nsCString mData;
uint64_t mOffset;
uint32_t mCount;
};
bool
HttpChannelChild::RecvOnTransportAndData(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)
{
LOG(("HttpChannelChild::RecvOnTransportAndData [this=%p]\n", this));
MOZ_RELEASE_ASSERT(!mFlushedForDiversion,
"Should not be receiving any more callbacks from parent!");
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new TransportAndDataEvent(this, channelStatus,
transportStatus, progress,
progressMax, data, offset,
count));
} else {
MOZ_RELEASE_ASSERT(!mDivertingToParent,
"ShouldEnqueue when diverting to parent!");
OnTransportAndData(channelStatus, transportStatus, progress, progressMax,
data, offset, count);
}
return true;
}
void
HttpChannelChild::OnTransportAndData(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)
{
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;
// 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) {
MOZ_ASSERT((progressMax == -1) || (progress <= progressMax),
"unexpected progress values");
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;
};
bool
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!");
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new StopRequestEvent(this, channelStatus, timing));
} else {
MOZ_ASSERT(!mDivertingToParent, "ShouldEnqueue when diverting to parent!");
OnStopRequest(channelStatus, timing);
}
return true;
}
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;
}
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;
nsPerformance* 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, mListenerContext);
}
if (mLoadFlags & LOAD_DOCUMENT_URI) {
// Keep IPDL channel open, but only for updating security info.
mKeptAlive = true;
SendDocumentChannelCleanup();
} else {
// This calls NeckoChild::DeallocPHttpChannelChild(), which deletes |this| if IPDL
// holds the last reference. Don't rely on |this| existing after here.
PHttpChannelChild::Send__delete__(this);
}
}
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, nsISupports* aContext)
{
LOG(("HttpChannelChild::DoOnStopRequest [this=%p]\n", this));
MOZ_ASSERT(!mIsPending);
if (mStatus == NS_ERROR_TRACKING_URI) {
nsChannelClassifier::SetBlockedTrackingContent(this);
}
mListener->OnStopRequest(aRequest, aContext, mStatus);
mListener = 0;
mListenerContext = 0;
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;
};
bool
HttpChannelChild::RecvOnProgress(const int64_t& progress,
const int64_t& progressMax)
{
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new ProgressEvent(this, progress, progressMax));
} else {
OnProgress(progress, progressMax);
}
return true;
}
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) {
MOZ_ASSERT((progressMax == -1) || (progress <= progressMax),
"unexpected progress values");
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;
};
bool
HttpChannelChild::RecvOnStatus(const nsresult& status)
{
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new StatusEvent(this, status));
} else {
OnStatus(status);
}
return true;
}
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;
};
bool
HttpChannelChild::RecvFailedAsyncOpen(const nsresult& status)
{
LOG(("HttpChannelChild::RecvFailedAsyncOpen [this=%p]\n", this));
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new FailedAsyncOpenEvent(this, status));
} else {
FailedAsyncOpen(status);
}
return true;
}
// 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();
}
void
HttpChannelChild::DoNotifyListenerCleanup()
{
LOG(("HttpChannelChild::DoNotifyListenerCleanup [this=%p]\n", this));
if (mIPCOpen)
PHttpChannelChild::Send__delete__(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;
};
bool
HttpChannelChild::RecvDeleteSelf()
{
LOG(("HttpChannelChild::RecvDeleteSelf [this=%p]\n", this));
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new DeleteSelfEvent(this));
} else {
DeleteSelf();
}
return true;
}
void
HttpChannelChild::DeleteSelf()
{
Send__delete__(this);
}
bool
HttpChannelChild::RecvReportSecurityMessage(const nsString& messageTag,
const nsString& messageCategory)
{
AddSecurityMessage(messageTag, messageCategory);
return true;
}
class Redirect1Event : public ChannelEvent
{
public:
Redirect1Event(HttpChannelChild* child,
const uint32_t& newChannelId,
const URIParams& newURI,
const uint32_t& redirectFlags,
const nsHttpResponseHead& responseHead)
: mChild(child)
, mNewChannelId(newChannelId)
, mNewURI(newURI)
, mRedirectFlags(redirectFlags)
, mResponseHead(responseHead) {}
void Run()
{
mChild->Redirect1Begin(mNewChannelId, mNewURI, mRedirectFlags,
mResponseHead);
}
private:
HttpChannelChild* mChild;
uint32_t mNewChannelId;
URIParams mNewURI;
uint32_t mRedirectFlags;
nsHttpResponseHead mResponseHead;
};
bool
HttpChannelChild::RecvRedirect1Begin(const uint32_t& newChannelId,
const URIParams& newUri,
const uint32_t& redirectFlags,
const nsHttpResponseHead& responseHead)
{
LOG(("HttpChannelChild::RecvRedirect1Begin [this=%p]\n", this));
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new Redirect1Event(this, newChannelId, newUri,
redirectFlags, responseHead));
} else {
Redirect1Begin(newChannelId, newUri, redirectFlags, responseHead);
}
return true;
}
void
HttpChannelChild::Redirect1Begin(const uint32_t& newChannelId,
const URIParams& newUri,
const uint32_t& redirectFlags,
const nsHttpResponseHead& responseHead)
{
LOG(("HttpChannelChild::Redirect1Begin [this=%p]\n", this));
nsresult rv;
nsCOMPtr<nsIIOService> ioService;
rv = gHttpHandler->GetIOService(getter_AddRefs(ioService));
if (NS_FAILED(rv)) {
// Veto redirect. nsHttpChannel decides to cancel or continue.
OnRedirectVerifyCallback(rv);
return;
}
nsCOMPtr<nsIURI> uri = DeserializeURI(newUri);
nsCOMPtr<nsIChannel> newChannel;
rv = NS_NewChannelInternal(getter_AddRefs(newChannel),
uri,
mLoadInfo,
nullptr, // aLoadGroup
nullptr, // aCallbacks
nsIRequest::LOAD_NORMAL,
ioService);
if (NS_FAILED(rv)) {
// Veto redirect. nsHttpChannel decides to cancel or continue.
OnRedirectVerifyCallback(rv);
return;
}
// We won't get OnStartRequest, set cookies here.
mResponseHead = new nsHttpResponseHead(responseHead);
SetCookie(mResponseHead->PeekHeader(nsHttp::Set_Cookie));
bool rewriteToGET = HttpBaseChannel::ShouldRewriteRedirectToGET(mResponseHead->Status(),
mRequestHead.ParsedMethod());
rv = SetupReplacementChannel(uri, newChannel, !rewriteToGET);
if (NS_FAILED(rv)) {
// Veto redirect. nsHttpChannel decides to cancel or continue.
OnRedirectVerifyCallback(rv);
return;
}
mRedirectChannelChild = do_QueryInterface(newChannel);
if (mRedirectChannelChild) {
mRedirectChannelChild->ConnectParent(newChannelId);
rv = gHttpHandler->AsyncOnChannelRedirect(this,
newChannel,
redirectFlags);
} else {
LOG((" redirecting to a protocol that doesn't implement"
" nsIChildChannel"));
rv = NS_ERROR_FAILURE;
}
if (NS_FAILED(rv))
OnRedirectVerifyCallback(rv);
}
class Redirect3Event : public ChannelEvent
{
public:
explicit Redirect3Event(HttpChannelChild* child) : mChild(child) {}
void Run() { mChild->Redirect3Complete(); }
private:
HttpChannelChild* mChild;
};
bool
HttpChannelChild::RecvRedirect3Complete()
{
LOG(("HttpChannelChild::RecvRedirect3Complete [this=%p]\n", this));
if (mEventQ->ShouldEnqueue()) {
mEventQ->Enqueue(new Redirect3Event(this));
} else {
Redirect3Complete();
}
return true;
}
class HttpFlushedForDiversionEvent : public ChannelEvent
{
public:
explicit HttpFlushedForDiversionEvent(HttpChannelChild* aChild)
: mChild(aChild)
{
MOZ_RELEASE_ASSERT(aChild);
}
void Run()
{
mChild->FlushedForDiversion();
}
private:
HttpChannelChild* mChild;
};
bool
HttpChannelChild::RecvFlushedForDiversion()
{
LOG(("HttpChannelChild::RecvFlushedForDiversion [this=%p]\n", this));
MOZ_RELEASE_ASSERT(mDivertingToParent);
MOZ_RELEASE_ASSERT(mEventQ->ShouldEnqueue());
mEventQ->Enqueue(new HttpFlushedForDiversionEvent(this));
return true;
}
bool
HttpChannelChild::RecvNotifyTrackingProtectionDisabled()
{
nsChannelClassifier::NotifyTrackingProtectionDisabled(this);
return true;
}
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();
}
bool
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 true;
}
void
HttpChannelChild::Redirect3Complete()
{
LOG(("HttpChannelChild::Redirect3Complete [this=%p]\n", this));
nsresult rv = NS_OK;
// Chrome channel has been AsyncOpen'd. Reflect this in child.
if (mRedirectChannelChild)
rv = mRedirectChannelChild->CompleteRedirectSetup(mListener,
mListenerContext);
// Redirecting to new channel: shut this down and init new channel
if (mLoadGroup)
mLoadGroup->RemoveRequest(this, nullptr, NS_BINDING_ABORTED);
if (NS_FAILED(rv))
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 id)
{
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;
}
// 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();
HttpChannelConnectArgs connectArgs(id);
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);
/*
* 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));
OptionalURIParams redirectURI;
nsCOMPtr<nsIHttpChannel> newHttpChannel =
do_QueryInterface(mRedirectChannelChild);
if (newHttpChannel) {
// Must not be called until after redirect observers called.
newHttpChannel->SetOriginalURI(mOriginalURI);
}
RequestHeaderTuples emptyHeaders;
RequestHeaderTuples* headerTuples = &emptyHeaders;
nsCOMPtr<nsIHttpChannelChild> newHttpChannelChild =
do_QueryInterface(mRedirectChannelChild);
if (newHttpChannelChild && NS_SUCCEEDED(result)) {
newHttpChannelChild->AddCookiesToRequest();
newHttpChannelChild->GetClientSetRequestHeaders(&headerTuples);
}
/* 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);
}
}
}
if (mIPCOpen)
SendRedirect2Verify(result, *headerTuples, redirectURI);
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
//-----------------------------------------------------------------------------
// helper function to assign loadInfo to openArgs
void
propagateLoadInfo(nsILoadInfo *aLoadInfo,
HttpChannelOpenArgs& openArgs)
{
mozilla::ipc::PrincipalInfo requestingPrincipalInfo;
mozilla::ipc::PrincipalInfo triggeringPrincipalInfo;
if (aLoadInfo) {
mozilla::ipc::PrincipalToPrincipalInfo(aLoadInfo->LoadingPrincipal(),
&requestingPrincipalInfo);
openArgs.requestingPrincipalInfo() = requestingPrincipalInfo;
mozilla::ipc::PrincipalToPrincipalInfo(aLoadInfo->TriggeringPrincipal(),
&triggeringPrincipalInfo);
openArgs.triggeringPrincipalInfo() = triggeringPrincipalInfo;
openArgs.securityFlags() = aLoadInfo->GetSecurityFlags();
openArgs.contentPolicyType() = aLoadInfo->GetContentPolicyType();
openArgs.innerWindowID() = aLoadInfo->GetInnerWindowID();
return;
}
// use default values if no loadInfo is provided
mozilla::ipc::PrincipalToPrincipalInfo(nsContentUtils::GetSystemPrincipal(),
&requestingPrincipalInfo);
openArgs.requestingPrincipalInfo() = requestingPrincipalInfo;
openArgs.triggeringPrincipalInfo() = requestingPrincipalInfo;
openArgs.securityFlags() = nsILoadInfo::SEC_NORMAL;
openArgs.contentPolicyType() = nsIContentPolicy::TYPE_OTHER;
openArgs.innerWindowID() = 0;
}
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)
{
LOG(("HttpChannelChild::AsyncOpen [this=%p uri=%s]\n", this, mSpec.get()));
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();
// 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;
const char *cookieHeader = mRequestHead.PeekHeader(nsHttp::Cookie);
if (cookieHeader) {
mUserSetCookieHeader = cookieHeader;
}
AddCookiesToRequest();
//
// NOTE: From now on we must return NS_OK; all errors must be handled via
// OnStart/OnStopRequest
//
// Note: this is where we would notify "http-on-modify-request" observers.
// We have deliberately disabled this for child processes (see bug 806753)
//
// notify "http-on-modify-request" observers
//CallOnModifyRequestObservers();
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;
}
if (ShouldIntercept()) {
nsCOMPtr<nsINetworkInterceptController> controller;
GetCallback(controller);
mInterceptListener = new InterceptStreamListener(this, mListenerContext);
nsRefPtr<InterceptedChannelContent> intercepted =
new InterceptedChannelContent(this, controller, mInterceptListener);
intercepted->NotifyController();
return NS_OK;
}
return ContinueAsyncOpen();
}
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;
}
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;
openArgs.requestMethod() = mRequestHead.Method();
nsTArray<mozilla::ipc::FileDescriptor> fds;
SerializeInputStream(mUploadStream, openArgs.uploadStream(), fds);
if (mResponseHead) {
openArgs.synthesizedResponseHead() = *mResponseHead;
} else {
openArgs.synthesizedResponseHead() = mozilla::void_t();
}
OptionalFileDescriptorSet optionalFDs;
if (fds.IsEmpty()) {
optionalFDs = mozilla::void_t();
} else if (fds.Length() <= kMaxFileDescriptorsPerMessage) {
optionalFDs = nsTArray<mozilla::ipc::FileDescriptor>();
optionalFDs.get_ArrayOfFileDescriptor().SwapElements(fds);
} else {
MOZ_ASSERT(gNeckoChild->Manager());
PFileDescriptorSetChild* fdSet =
gNeckoChild->Manager()->SendPFileDescriptorSetConstructor(fds[0]);
for (uint32_t i = 1; i < fds.Length(); ++i) {
unused << fdSet->SendAddFileDescriptor(fds[i]);
}
optionalFDs = fdSet;
}
nsCOMPtr<mozIThirdPartyUtil> util(do_GetService(THIRDPARTYUTIL_CONTRACTID));
if (util) {
bool thirdParty;
nsresult rv = util->IsThirdPartyChannel(this, nullptr, &thirdParty);
if (NS_FAILED(rv)) {
// If we couldn't compute whether this is a third-party load, assume that
// it is.
thirdParty = true;
}
mThirdPartyFlags |= thirdParty ?
nsIHttpChannelInternal::THIRD_PARTY_PARENT_IS_THIRD_PARTY :
nsIHttpChannelInternal::THIRD_PARTY_PARENT_IS_SAME_PARTY;
nsCOMPtr<nsIURI> uri;
GetTopWindowURI(getter_AddRefs(uri));
}
SerializeURI(mTopWindowURI, openArgs.topWindowURI());
openArgs.fds() = optionalFDs;
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;
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;
propagateLoadInfo(mLoadInfo, openArgs);
// 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 = static_cast<ContentChild*>(gNeckoChild->Manager())
->GetBrowserOrId(tabChild);
gNeckoChild->SendPHttpChannelConstructor(this, browser,
IPC::SerializedLoadContext(this),
openArgs);
if (optionalFDs.type() ==
OptionalFileDescriptorSet::TPFileDescriptorSetChild) {
FileDescriptorSetChild* fdSetActor =
static_cast<FileDescriptorSetChild*>(
optionalFDs.get_PFileDescriptorSetChild());
fdSetActor->ForgetFileDescriptors(fds);
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIHttpChannel
//-----------------------------------------------------------------------------
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;
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;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIHttpChannelInternal
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::SetupFallbackChannel(const char *aFallbackKey)
{
DROP_DEAD();
}
// The next four _should_ be implemented, but we need to figure out how
// to transfer the data from the chrome process first.
NS_IMETHODIMP
HttpChannelChild::GetRemoteAddress(nsACString & _result)
{
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
HttpChannelChild::GetRemotePort(int32_t * _result)
{
NS_ENSURE_ARG_POINTER(_result);
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
HttpChannelChild::GetLocalAddress(nsACString & _result)
{
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
HttpChannelChild::GetLocalPort(int32_t * _result)
{
NS_ENSURE_ARG_POINTER(_result);
return NS_ERROR_NOT_AVAILABLE;
}
//-----------------------------------------------------------------------------
// 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;
}
//-----------------------------------------------------------------------------
// 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;
}
/* attribute unsigned long countSubRequestsBrokenSecurity; */
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);
}
/* attribute unsigned long countSubRequestsNoSecurity; */
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;
}
//-----------------------------------------------------------------------------
// 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);
// 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;
}
nsresult rv = Suspend();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Once this is set, it should not be unset before the child is taken down.
mDivertingToParent = true;
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;
}
void
HttpChannelChild::ResetInterception()
{
if (mInterceptListener) {
mInterceptListener->Cleanup();
}
mInterceptListener = nullptr;
// Continue with the original cross-process request
nsresult rv = ContinueAsyncOpen();
NS_ENSURE_SUCCESS_VOID(rv);
}
void
HttpChannelChild::OverrideWithSynthesizedResponse(nsAutoPtr<nsHttpResponseHead>& aResponseHead,
nsIInputStream* aSynthesizedInput,
nsIStreamListener* aStreamListener)
{
// Intercepted responses should already be decoded.
SetApplyConversion(false);
mResponseHead = aResponseHead;
uint16_t status = mResponseHead->Status();
if (status != 200 && status != 404) {
// Continue with the original cross-process request
nsresult rv = ContinueAsyncOpen();
NS_ENSURE_SUCCESS_VOID(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++) {
nsresult rv = mSynthesizedResponsePump->Suspend();
NS_ENSURE_SUCCESS_VOID(rv);
}
if (mCanceled) {
mSynthesizedResponsePump->Cancel(mStatus);
}
}
}} // mozilla::net
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