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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/. */
#include "nsHttp.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/net/HttpChannelChild.h"
#include "nsStringStream.h"
#include "nsHttpHandler.h"
#include "nsMimeTypes.h"
#include "nsNetUtil.h"
#include "nsSerializationHelper.h"
#include "base/compiler_specific.h"
#include "mozilla/ipc/InputStreamUtils.h"
#include "mozilla/ipc/URIUtils.h"
#include "mozilla/net/DNS.h"
using namespace mozilla::dom;
using namespace mozilla::ipc;
namespace mozilla {
namespace net {
//-----------------------------------------------------------------------------
// HttpChannelChild
//-----------------------------------------------------------------------------
HttpChannelChild::HttpChannelChild()
: ALLOW_THIS_IN_INITIALIZER_LIST(HttpAsyncAborter<HttpChannelChild>(this))
, mIsFromCache(false)
, mCacheEntryAvailable(false)
, mCacheExpirationTime(nsICache::NO_EXPIRATION_TIME)
, mSendResumeAt(false)
, mIPCOpen(false)
, mKeptAlive(false)
, ALLOW_THIS_IN_INITIALIZER_LIST(mEventQ(static_cast<nsIHttpChannel*>(this)))
{
LOG(("Creating HttpChannelChild @%x\n", 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_(nsrefcnt) 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(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_END_INHERITING(HttpBaseChannel)
//-----------------------------------------------------------------------------
// HttpChannelChild::PHttpChannelChild
//-----------------------------------------------------------------------------
void
HttpChannelChild::AddIPDLReference()
{
NS_ABORT_IF_FALSE(!mIPCOpen, "Attempt to retain more than one IPDL reference");
mIPCOpen = true;
AddRef();
}
void
HttpChannelChild::ReleaseIPDLReference()
{
NS_ABORT_IF_FALSE(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)
{
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)
{
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 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)
: mChild(child)
, mResponseHead(responseHead)
, mRequestHeaders(requestHeaders)
, mUseResponseHead(useResponseHead)
, mIsFromCache(isFromCache)
, mCacheEntryAvailable(cacheEntryAvailable)
, mCacheExpirationTime(cacheExpirationTime)
, mCachedCharset(cachedCharset)
, mSecurityInfoSerialization(securityInfoSerialization)
, mSelfAddr(selfAddr)
, mPeerAddr(peerAddr)
{}
void Run()
{
mChild->OnStartRequest(mResponseHead, mUseResponseHead, mRequestHeaders,
mIsFromCache, mCacheEntryAvailable,
mCacheExpirationTime, mCachedCharset,
mSecurityInfoSerialization, mSelfAddr, mPeerAddr);
}
private:
HttpChannelChild* mChild;
nsHttpResponseHead mResponseHead;
nsHttpHeaderArray mRequestHeaders;
bool mUseResponseHead;
bool mIsFromCache;
bool mCacheEntryAvailable;
uint32_t mCacheExpirationTime;
nsCString mCachedCharset;
nsCString mSecurityInfoSerialization;
NetAddr mSelfAddr;
NetAddr mPeerAddr;
};
bool
HttpChannelChild::RecvOnStartRequest(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)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new StartRequestEvent(this, responseHead, useResponseHead,
requestHeaders, isFromCache,
cacheEntryAvailable,
cacheExpirationTime, cachedCharset,
securityInfoSerialization, selfAddr,
peerAddr));
} else {
OnStartRequest(responseHead, useResponseHead, requestHeaders, isFromCache,
cacheEntryAvailable, cacheExpirationTime, cachedCharset,
securityInfoSerialization, selfAddr, peerAddr);
}
return true;
}
void
HttpChannelChild::OnStartRequest(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)
{
LOG(("HttpChannelChild::RecvOnStartRequest [this=%x]\n", this));
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);
// 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;
nsresult rv = mListener->OnStartRequest(this, mListenerContext);
if (NS_FAILED(rv)) {
Cancel(rv);
return;
}
if (mResponseHead)
SetCookie(mResponseHead->PeekHeader(nsHttp::Set_Cookie));
rv = ApplyContentConversions();
if (NS_FAILED(rv))
Cancel(rv);
mSelfAddr = selfAddr;
mPeerAddr = peerAddr;
}
class TransportAndDataEvent : public ChannelEvent
{
public:
TransportAndDataEvent(HttpChannelChild* child,
const nsresult& status,
const uint64_t& progress,
const uint64_t& progressMax,
const nsCString& data,
const uint64_t& offset,
const uint32_t& count)
: mChild(child)
, mStatus(status)
, mProgress(progress)
, mProgressMax(progressMax)
, mData(data)
, mOffset(offset)
, mCount(count) {}
void Run() { mChild->OnTransportAndData(mStatus, mProgress, mProgressMax,
mData, mOffset, mCount); }
private:
HttpChannelChild* mChild;
nsresult mStatus;
uint64_t mProgress;
uint64_t mProgressMax;
nsCString mData;
uint64_t mOffset;
uint32_t mCount;
};
bool
HttpChannelChild::RecvOnTransportAndData(const nsresult& status,
const uint64_t& progress,
const uint64_t& progressMax,
const nsCString& data,
const uint64_t& offset,
const uint32_t& count)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new TransportAndDataEvent(this, status, progress,
progressMax, data, offset,
count));
} else {
OnTransportAndData(status, progress, progressMax, data, offset, count);
}
return true;
}
void
HttpChannelChild::OnTransportAndData(const nsresult& status,
const uint64_t progress,
const uint64_t& progressMax,
const nsCString& data,
const uint64_t& offset,
const uint32_t& count)
{
LOG(("HttpChannelChild::OnTransportAndData [this=%x]\n", this));
if (mCanceled)
return;
// cache the progress sink so we don't have to query for it each time.
if (!mProgressSink)
GetCallback(mProgressSink);
// Hold queue lock throughout all three calls, else we might process a later
// necko msg in between them.
AutoEventEnqueuer ensureSerialDispatch(mEventQ);
// block status/progress after Cancel or OnStopRequest has been called,
// or if channel has LOAD_BACKGROUND set.
// - JDUELL: may not need mStatus/mIsPending checks, given this is always called
// during OnDataAvailable, and we've already checked mCanceled. Code
// dupe'd from nsHttpChannel
if (mProgressSink && NS_SUCCEEDED(mStatus) && mIsPending &&
!(mLoadFlags & LOAD_BACKGROUND))
{
// OnStatus
//
NS_ASSERTION(status == NS_NET_STATUS_RECEIVING_FROM ||
status == NS_NET_STATUS_READING,
"unexpected status code");
nsAutoCString host;
mURI->GetHost(host);
mProgressSink->OnStatus(this, nullptr, status,
NS_ConvertUTF8toUTF16(host).get());
// OnProgress
//
if (progress > 0) {
NS_ASSERTION(progress <= progressMax, "unexpected progress values");
mProgressSink->OnProgress(this, nullptr, 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;
}
rv = mListener->OnDataAvailable(this, mListenerContext,
stringStream, offset, count);
stringStream->Close();
if (NS_FAILED(rv)) {
Cancel(rv);
}
}
class StopRequestEvent : public ChannelEvent
{
public:
StopRequestEvent(HttpChannelChild* child,
const nsresult& statusCode)
: mChild(child)
, mStatusCode(statusCode) {}
void Run() { mChild->OnStopRequest(mStatusCode); }
private:
HttpChannelChild* mChild;
nsresult mStatusCode;
};
bool
HttpChannelChild::RecvOnStopRequest(const nsresult& statusCode)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new StopRequestEvent(this, statusCode));
} else {
OnStopRequest(statusCode);
}
return true;
}
void
HttpChannelChild::OnStopRequest(const nsresult& statusCode)
{
LOG(("HttpChannelChild::OnStopRequest [this=%x status=%u]\n",
this, statusCode));
mIsPending = false;
if (!mCanceled && NS_SUCCEEDED(mStatus))
mStatus = statusCode;
{ // 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);
mListener->OnStopRequest(this, mListenerContext, mStatus);
mListener = 0;
mListenerContext = 0;
mCacheEntryAvailable = false;
if (mLoadGroup)
mLoadGroup->RemoveRequest(this, nullptr, mStatus);
}
if (mLoadFlags & LOAD_DOCUMENT_URI) {
// Keep IPDL channel open, but only for updating security info.
mKeptAlive = true;
SendDocumentChannelCleanup();
} else {
// This calls NeckoChild::DeallocPHttpChannel(), which deletes |this| if IPDL
// holds the last reference. Don't rely on |this| existing after here.
PHttpChannelChild::Send__delete__(this);
}
}
class ProgressEvent : public ChannelEvent
{
public:
ProgressEvent(HttpChannelChild* child,
const uint64_t& progress,
const uint64_t& progressMax)
: mChild(child)
, mProgress(progress)
, mProgressMax(progressMax) {}
void Run() { mChild->OnProgress(mProgress, mProgressMax); }
private:
HttpChannelChild* mChild;
uint64_t mProgress, mProgressMax;
};
bool
HttpChannelChild::RecvOnProgress(const uint64_t& progress,
const uint64_t& progressMax)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new ProgressEvent(this, progress, progressMax));
} else {
OnProgress(progress, progressMax);
}
return true;
}
void
HttpChannelChild::OnProgress(const uint64_t& progress,
const uint64_t& progressMax)
{
LOG(("HttpChannelChild::OnProgress [this=%p progress=%llu/%llu]\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,
// or if channel has LOAD_BACKGROUND set
if (mProgressSink && NS_SUCCEEDED(mStatus) && mIsPending &&
!(mLoadFlags & LOAD_BACKGROUND))
{
if (progress > 0) {
NS_ASSERTION(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)
{
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;
mIsPending = false;
// We're already being called from IPDL, therefore already "async"
HandleAsyncAbort();
}
void
HttpChannelChild::DoNotifyListenerCleanup()
{
if (mIPCOpen)
PHttpChannelChild::Send__delete__(this);
}
class DeleteSelfEvent : public ChannelEvent
{
public:
DeleteSelfEvent(HttpChannelChild* child) : mChild(child) {}
void Run() { mChild->DeleteSelf(); }
private:
HttpChannelChild* mChild;
};
bool
HttpChannelChild::RecvDeleteSelf()
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new DeleteSelfEvent(this));
} else {
DeleteSelf();
}
return true;
}
void
HttpChannelChild::DeleteSelf()
{
Send__delete__(this);
}
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)
{
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)
{
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 = ioService->NewChannelFromURI(uri, getter_AddRefs(newChannel));
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 = nsHttp::ShouldRewriteRedirectToGET(
mResponseHead->Status(), mRequestHead.Method());
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);
} else {
NS_ERROR("Redirecting to a protocol that doesn't support universal protocol redirect");
}
rv = gHttpHandler->AsyncOnChannelRedirect(this,
newChannel,
redirectFlags);
if (NS_FAILED(rv))
OnRedirectVerifyCallback(rv);
}
class Redirect3Event : public ChannelEvent
{
public:
Redirect3Event(HttpChannelChild* child) : mChild(child) {}
void Run() { mChild->Redirect3Complete(); }
private:
HttpChannelChild* mChild;
};
bool
HttpChannelChild::RecvRedirect3Complete()
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new Redirect3Event(this));
} else {
Redirect3Complete();
}
return true;
}
void
HttpChannelChild::Redirect3Complete()
{
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;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIChildChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::ConnectParent(uint32_t id)
{
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();
if (!gNeckoChild->SendPHttpChannelConstructor(
this, tabChild, IPC::SerializedLoadContext(this))) {
return NS_ERROR_FAILURE;
}
if (!SendConnectChannel(id))
return NS_ERROR_FAILURE;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::CompleteRedirectSetup(nsIStreamListener *listener,
nsISupports *aContext)
{
LOG(("HttpChannelChild::FinishRedirectSetup [this=%x]\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)
{
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 (NS_SUCCEEDED(result)) {
// we know this is an HttpChannelChild
HttpChannelChild* base =
static_cast<HttpChannelChild*>(mRedirectChannelChild.get());
// 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();
/* If there was an API redirect of this redirect, we need to send it
* down here, since it can't get sent via SendAsyncOpen. */
SerializeURI(base->mAPIRedirectToURI, redirectURI);
} else {
/* If the redirect was canceled, bypass OMR and send an empty API
* redirect URI */
SerializeURI(nullptr, redirectURI);
}
if (mIPCOpen)
SendRedirect2Verify(result, *headerTuples, redirectURI);
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIRequest
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::Cancel(nsresult status)
{
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);
}
return NS_OK;
}
NS_IMETHODIMP
HttpChannelChild::Suspend()
{
NS_ENSURE_TRUE(RemoteChannelExists(), NS_ERROR_NOT_AVAILABLE);
if (!mSuspendCount++) {
SendSuspend();
mEventQ.Suspend();
}
return NS_OK;
}
void
HttpChannelChild::CompleteResume()
{
if (mCallOnResume) {
(this->*mCallOnResume)();
mCallOnResume = 0;
}
// Don't resume event queue until now, else queued events could get
// flushed/called before mCallOnResume, which needs to run first.
mEventQ.Resume();
}
NS_IMETHODIMP
HttpChannelChild::Resume()
{
NS_ENSURE_TRUE(RemoteChannelExists(), NS_ERROR_NOT_AVAILABLE);
NS_ENSURE_TRUE(mSuspendCount > 0, NS_ERROR_UNEXPECTED);
nsresult rv = NS_OK;
if (!--mSuspendCount) {
SendResume();
rv = AsyncCall(&HttpChannelChild::CompleteResume);
}
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)
{
LOG(("HttpChannelChild::AsyncOpen [this=%x 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);
// 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;
}
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;
rv = appCacheContainer->GetApplicationCache(getter_AddRefs(appCache));
if (NS_SUCCEEDED(rv) && appCache) {
appCache->GetClientID(appCacheClientId);
}
}
}
//
// Send request to the chrome process...
//
// FIXME: bug 558623: Combine constructor and SendAsyncOpen into one IPC msg
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();
gNeckoChild->SendPHttpChannelConstructor(this, tabChild,
IPC::SerializedLoadContext(this));
URIParams uri;
SerializeURI(mURI, uri);
OptionalURIParams originalURI, documentURI, referrer, redirectURI;
SerializeURI(mOriginalURI, originalURI);
SerializeURI(mDocumentURI, documentURI);
SerializeURI(mReferrer, referrer);
SerializeURI(mAPIRedirectToURI, redirectURI);
OptionalInputStreamParams uploadStream;
SerializeInputStream(mUploadStream, uploadStream);
SendAsyncOpen(uri, originalURI, documentURI, referrer, redirectURI, mLoadFlags,
mClientSetRequestHeaders, mRequestHead.Method(), uploadStream,
mUploadStreamHasHeaders, mPriority, mRedirectionLimit,
mAllowPipelining, mForceAllowThirdPartyCookie, mSendResumeAt,
mStartPos, mEntityID, mChooseApplicationCache,
appCacheClientId, mAllowSpdy);
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIHttpChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::SetRequestHeader(const nsACString& aHeader,
const nsACString& aValue,
bool aMerge)
{
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;
}
//-----------------------------------------------------------------------------
// HttpChannelChild::nsIResumableChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelChild::ResumeAt(uint64_t startPos, const nsACString& entityID)
{
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::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;
}
//------------------------------------------------------------------------------
}} // mozilla::net
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