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pjs/netwerk/protocol/http/HttpChannelParent.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 : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jason Duell <jduell.mcbugs@gmail.com>
* Honza Bambas <honzab@firemni.cz>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mozilla/net/HttpChannelParent.h"
#include "mozilla/dom/TabParent.h"
#include "mozilla/net/NeckoParent.h"
#include "mozilla/unused.h"
#include "HttpChannelParentListener.h"
#include "nsHttpChannel.h"
#include "nsHttpHandler.h"
#include "nsNetUtil.h"
#include "nsISupportsPriority.h"
#include "nsIAuthPromptProvider.h"
#include "nsIDocShellTreeItem.h"
#include "nsIBadCertListener2.h"
#include "nsICacheEntryDescriptor.h"
#include "nsSerializationHelper.h"
#include "nsISerializable.h"
#include "nsIAssociatedContentSecurity.h"
#include "nsIApplicationCacheService.h"
#include "nsIOfflineCacheUpdate.h"
#include "nsIRedirectChannelRegistrar.h"
namespace mozilla {
namespace net {
HttpChannelParent::HttpChannelParent(PBrowserParent* iframeEmbedding)
: mIPCClosed(false)
, mStoredStatus(0)
, mStoredProgress(0)
, mStoredProgressMax(0)
, mHeadersToSyncToChild(nsnull)
{
// Ensure gHttpHandler is initialized: we need the atom table up and running.
nsIHttpProtocolHandler* handler;
CallGetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "http", &handler);
NS_ASSERTION(handler, "no http handler");
mTabParent = do_QueryObject(static_cast<TabParent*>(iframeEmbedding));
}
HttpChannelParent::~HttpChannelParent()
{
gHttpHandler->Release();
}
void
HttpChannelParent::ActorDestroy(ActorDestroyReason why)
{
// We may still have refcount>0 if nsHttpChannel hasn't called OnStopRequest
// yet, but we must not send any more msgs to child.
mIPCClosed = true;
}
//-----------------------------------------------------------------------------
// HttpChannelParent::nsISupports
//-----------------------------------------------------------------------------
NS_IMPL_ISUPPORTS7(HttpChannelParent,
nsIInterfaceRequestor,
nsIProgressEventSink,
nsIRequestObserver,
nsIStreamListener,
nsIParentChannel,
nsIParentRedirectingChannel,
nsIHttpHeaderVisitor)
//-----------------------------------------------------------------------------
// HttpChannelParent::nsIInterfaceRequestor
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelParent::GetInterface(const nsIID& aIID, void **result)
{
if (aIID.Equals(NS_GET_IID(nsIAuthPromptProvider)) ||
aIID.Equals(NS_GET_IID(nsISecureBrowserUI))) {
if (!mTabParent)
return NS_NOINTERFACE;
return mTabParent->QueryInterface(aIID, result);
}
return QueryInterface(aIID, result);
}
//-----------------------------------------------------------------------------
// HttpChannelParent::PHttpChannelParent
//-----------------------------------------------------------------------------
bool
HttpChannelParent::RecvAsyncOpen(const IPC::URI& aURI,
const IPC::URI& aOriginalURI,
const IPC::URI& aDocURI,
const IPC::URI& aReferrerURI,
const PRUint32& loadFlags,
const RequestHeaderTuples& requestHeaders,
const nsHttpAtom& requestMethod,
const IPC::InputStream& uploadStream,
const PRBool& uploadStreamHasHeaders,
const PRUint16& priority,
const PRUint8& redirectionLimit,
const PRBool& allowPipelining,
const PRBool& forceAllowThirdPartyCookie,
const bool& doResumeAt,
const PRUint64& startPos,
const nsCString& entityID,
const bool& chooseApplicationCache,
const nsCString& appCacheClientID)
{
nsCOMPtr<nsIURI> uri(aURI);
nsCOMPtr<nsIURI> originalUri(aOriginalURI);
nsCOMPtr<nsIURI> docUri(aDocURI);
nsCOMPtr<nsIURI> referrerUri(aReferrerURI);
nsCString uriSpec;
uri->GetSpec(uriSpec);
LOG(("HttpChannelParent RecvAsyncOpen [this=%x uri=%s]\n",
this, uriSpec.get()));
nsresult rv;
nsCOMPtr<nsIIOService> ios(do_GetIOService(&rv));
if (NS_FAILED(rv))
return SendFailedAsyncOpen(rv);
rv = NS_NewChannel(getter_AddRefs(mChannel), uri, ios, nsnull, nsnull, loadFlags);
if (NS_FAILED(rv))
return SendFailedAsyncOpen(rv);
nsHttpChannel *httpChan = static_cast<nsHttpChannel *>(mChannel.get());
if (doResumeAt)
httpChan->ResumeAt(startPos, entityID);
if (originalUri)
httpChan->SetOriginalURI(originalUri);
if (docUri)
httpChan->SetDocumentURI(docUri);
if (referrerUri)
httpChan->SetReferrerInternal(referrerUri);
if (loadFlags != nsIRequest::LOAD_NORMAL)
httpChan->SetLoadFlags(loadFlags);
for (PRUint32 i = 0; i < requestHeaders.Length(); i++) {
httpChan->SetRequestHeader(requestHeaders[i].mHeader,
requestHeaders[i].mValue,
requestHeaders[i].mMerge);
}
nsRefPtr<HttpChannelParentListener> channelListener =
new HttpChannelParentListener(this);
httpChan->SetNotificationCallbacks(channelListener);
httpChan->SetRequestMethod(nsDependentCString(requestMethod.get()));
nsCOMPtr<nsIInputStream> stream(uploadStream);
if (stream) {
httpChan->InternalSetUploadStream(stream);
httpChan->SetUploadStreamHasHeaders(uploadStreamHasHeaders);
}
if (priority != nsISupportsPriority::PRIORITY_NORMAL)
httpChan->SetPriority(priority);
httpChan->SetRedirectionLimit(redirectionLimit);
httpChan->SetAllowPipelining(allowPipelining);
httpChan->SetForceAllowThirdPartyCookie(forceAllowThirdPartyCookie);
nsCOMPtr<nsIApplicationCacheChannel> appCacheChan =
do_QueryInterface(mChannel);
nsCOMPtr<nsIApplicationCacheService> appCacheService =
do_GetService(NS_APPLICATIONCACHESERVICE_CONTRACTID);
PRBool setChooseApplicationCache = chooseApplicationCache;
if (appCacheChan && appCacheService) {
// We might potentially want to drop this flag (that is TRUE by default)
// after we succefully associate the channel with an application cache
// reported by the channel child. Dropping it here may be too early.
appCacheChan->SetInheritApplicationCache(PR_FALSE);
if (!appCacheClientID.IsEmpty()) {
nsCOMPtr<nsIApplicationCache> appCache;
rv = appCacheService->GetApplicationCache(appCacheClientID,
getter_AddRefs(appCache));
if (NS_SUCCEEDED(rv)) {
appCacheChan->SetApplicationCache(appCache);
setChooseApplicationCache = PR_FALSE;
}
}
if (setChooseApplicationCache) {
nsCOMPtr<nsIOfflineCacheUpdateService> offlineUpdateService =
do_GetService("@mozilla.org/offlinecacheupdate-service;1", &rv);
if (NS_SUCCEEDED(rv)) {
rv = offlineUpdateService->OfflineAppAllowedForURI(uri,
nsnull,
&setChooseApplicationCache);
if (setChooseApplicationCache && NS_SUCCEEDED(rv))
appCacheChan->SetChooseApplicationCache(PR_TRUE);
}
}
}
rv = httpChan->AsyncOpen(channelListener, nsnull);
if (NS_FAILED(rv))
return SendFailedAsyncOpen(rv);
return true;
}
bool
HttpChannelParent::RecvConnectChannel(const PRUint32& channelId)
{
nsresult rv;
LOG(("Looking for a registered channel [this=%p, id=%d]", this, channelId));
rv = NS_LinkRedirectChannels(channelId, this, getter_AddRefs(mChannel));
LOG((" found channel %p, rv=%08x", mChannel.get(), rv));
return true;
}
bool
HttpChannelParent::RecvSetPriority(const PRUint16& priority)
{
if (mChannel) {
nsHttpChannel *httpChan = static_cast<nsHttpChannel *>(mChannel.get());
httpChan->SetPriority(priority);
}
nsCOMPtr<nsISupportsPriority> priorityRedirectChannel =
do_QueryInterface(mRedirectChannel);
if (priorityRedirectChannel)
priorityRedirectChannel->SetPriority(priority);
return true;
}
bool
HttpChannelParent::RecvSuspend()
{
if (mChannel) {
mChannel->Suspend();
}
return true;
}
bool
HttpChannelParent::RecvResume()
{
if (mChannel) {
mChannel->Resume();
}
return true;
}
bool
HttpChannelParent::RecvCancel(const nsresult& status)
{
// May receive cancel before channel has been constructed!
if (mChannel) {
nsHttpChannel *httpChan = static_cast<nsHttpChannel *>(mChannel.get());
httpChan->Cancel(status);
}
return true;
}
bool
HttpChannelParent::RecvSetCacheTokenCachedCharset(const nsCString& charset)
{
if (mCacheDescriptor)
mCacheDescriptor->SetMetaDataElement("charset", charset.get());
return true;
}
bool
HttpChannelParent::RecvUpdateAssociatedContentSecurity(const PRInt32& high,
const PRInt32& low,
const PRInt32& broken,
const PRInt32& no)
{
nsHttpChannel *chan = static_cast<nsHttpChannel *>(mChannel.get());
nsCOMPtr<nsISupports> secInfo;
chan->GetSecurityInfo(getter_AddRefs(secInfo));
nsCOMPtr<nsIAssociatedContentSecurity> assoc = do_QueryInterface(secInfo);
if (!assoc)
return true;
assoc->SetCountSubRequestsHighSecurity(high);
assoc->SetCountSubRequestsLowSecurity(low);
assoc->SetCountSubRequestsBrokenSecurity(broken);
assoc->SetCountSubRequestsNoSecurity(no);
return true;
}
bool
HttpChannelParent::RecvRedirect2Verify(const nsresult& result,
const RequestHeaderTuples& changedHeaders)
{
if (NS_SUCCEEDED(result)) {
nsCOMPtr<nsIHttpChannel> newHttpChannel =
do_QueryInterface(mRedirectChannel);
if (newHttpChannel) {
for (PRUint32 i = 0; i < changedHeaders.Length(); i++) {
newHttpChannel->SetRequestHeader(changedHeaders[i].mHeader,
changedHeaders[i].mValue,
changedHeaders[i].mMerge);
}
}
}
mRedirectCallback->OnRedirectVerifyCallback(result);
mRedirectCallback = nsnull;
return true;
}
bool
HttpChannelParent::RecvDocumentChannelCleanup()
{
// We must clear the cache entry here, else we'll block other channels from
// reading it if we've got it open for writing.
mCacheDescriptor = 0;
return true;
}
bool
HttpChannelParent::RecvMarkOfflineCacheEntryAsForeign()
{
nsHttpChannel *httpChan = static_cast<nsHttpChannel *>(mChannel.get());
httpChan->MarkOfflineCacheEntryAsForeign();
return true;
}
//-----------------------------------------------------------------------------
// HttpChannelParent::nsIRequestObserver
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelParent::OnStartRequest(nsIRequest *aRequest, nsISupports *aContext)
{
LOG(("HttpChannelParent::OnStartRequest [this=%x]\n", this));
nsHttpChannel *chan = static_cast<nsHttpChannel *>(aRequest);
nsHttpResponseHead *responseHead = chan->GetResponseHead();
nsHttpRequestHead *requestHead = chan->GetRequestHead();
PRBool isFromCache = false;
chan->IsFromCache(&isFromCache);
PRUint32 expirationTime = nsICache::NO_EXPIRATION_TIME;
chan->GetCacheTokenExpirationTime(&expirationTime);
nsCString cachedCharset;
chan->GetCacheTokenCachedCharset(cachedCharset);
PRBool loadedFromApplicationCache;
chan->GetLoadedFromApplicationCache(&loadedFromApplicationCache);
if (loadedFromApplicationCache) {
nsCOMPtr<nsIApplicationCache> appCache;
chan->GetApplicationCache(getter_AddRefs(appCache));
nsCString appCacheGroupId;
nsCString appCacheClientId;
appCache->GetGroupID(appCacheGroupId);
appCache->GetClientID(appCacheClientId);
if (mIPCClosed ||
!SendAssociateApplicationCache(appCacheGroupId, appCacheClientId))
{
return NS_ERROR_UNEXPECTED;
}
}
nsCOMPtr<nsIEncodedChannel> encodedChannel = do_QueryInterface(aRequest);
if (encodedChannel)
encodedChannel->SetApplyConversion(PR_FALSE);
// Keep the cache entry for future use in RecvSetCacheTokenCachedCharset().
// It could be already released by nsHttpChannel at that time.
chan->GetCacheToken(getter_AddRefs(mCacheDescriptor));
nsCString secInfoSerialization;
nsCOMPtr<nsISupports> secInfoSupp;
chan->GetSecurityInfo(getter_AddRefs(secInfoSupp));
if (secInfoSupp) {
nsCOMPtr<nsISerializable> secInfoSer = do_QueryInterface(secInfoSupp);
if (secInfoSer)
NS_SerializeToString(secInfoSer, secInfoSerialization);
}
// sync request headers to child, in case they've changed
RequestHeaderTuples headers;
mHeadersToSyncToChild = &headers;
requestHead->Headers().VisitHeaders(this);
mHeadersToSyncToChild = 0;
nsHttpChannel *httpChan = static_cast<nsHttpChannel *>(mChannel.get());
if (mIPCClosed ||
!SendOnStartRequest(responseHead ? *responseHead : nsHttpResponseHead(),
!!responseHead,
headers,
isFromCache,
mCacheDescriptor ? PR_TRUE : PR_FALSE,
expirationTime, cachedCharset, secInfoSerialization,
httpChan->GetSelfAddr(), httpChan->GetPeerAddr()))
{
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
NS_IMETHODIMP
HttpChannelParent::OnStopRequest(nsIRequest *aRequest,
nsISupports *aContext,
nsresult aStatusCode)
{
LOG(("HttpChannelParent::OnStopRequest: [this=%x status=%ul]\n",
this, aStatusCode));
if (mIPCClosed || !SendOnStopRequest(aStatusCode))
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelParent::nsIStreamListener
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelParent::OnDataAvailable(nsIRequest *aRequest,
nsISupports *aContext,
nsIInputStream *aInputStream,
PRUint32 aOffset,
PRUint32 aCount)
{
LOG(("HttpChannelParent::OnDataAvailable [this=%x]\n", this));
nsCString data;
nsresult rv = NS_ReadInputStreamToString(aInputStream, data, aCount);
if (NS_FAILED(rv))
return rv;
// OnDataAvailable is always preceded by OnStatus/OnProgress calls that set
// mStoredStatus/mStoredProgress(Max) to appropriate values, unless
// LOAD_BACKGROUND set. In that case, they'll have garbage values, but
// child doesn't use them.
if (mIPCClosed || !SendOnTransportAndData(mStoredStatus, mStoredProgress,
mStoredProgressMax, data, aOffset,
aCount)) {
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelParent::nsIProgressEventSink
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelParent::OnProgress(nsIRequest *aRequest,
nsISupports *aContext,
PRUint64 aProgress,
PRUint64 aProgressMax)
{
// OnStatus has always just set mStoredStatus. If it indicates this precedes
// OnDataAvailable, store and ODA will send to child.
if (mStoredStatus == nsISocketTransport::STATUS_RECEIVING_FROM ||
mStoredStatus == nsITransport::STATUS_READING)
{
mStoredProgress = aProgress;
mStoredProgressMax = aProgressMax;
} else {
// Send to child now. The only case I've observed that this handles (i.e.
// non-ODA status with progress > 0) is data upload progress notification
// (status == nsISocketTransport::STATUS_SENDING_TO)
if (mIPCClosed || !SendOnProgress(aProgress, aProgressMax))
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
NS_IMETHODIMP
HttpChannelParent::OnStatus(nsIRequest *aRequest,
nsISupports *aContext,
nsresult aStatus,
const PRUnichar *aStatusArg)
{
// If this precedes OnDataAvailable, store and ODA will send to child.
if (aStatus == nsISocketTransport::STATUS_RECEIVING_FROM ||
aStatus == nsITransport::STATUS_READING)
{
mStoredStatus = aStatus;
return NS_OK;
}
// Otherwise, send to child now
if (mIPCClosed || !SendOnStatus(aStatus))
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelParent::nsIParentChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelParent::Delete()
{
if (!mIPCClosed)
unused << SendDeleteSelf();
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelParent::nsIParentRedirectingChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpChannelParent::StartRedirect(PRUint32 newChannelId,
nsIChannel* newChannel,
PRUint32 redirectFlags,
nsIAsyncVerifyRedirectCallback* callback)
{
if (mIPCClosed)
return NS_BINDING_ABORTED;
nsCOMPtr<nsIURI> newURI;
newChannel->GetURI(getter_AddRefs(newURI));
nsHttpChannel *httpChan = static_cast<nsHttpChannel *>(mChannel.get());
nsHttpResponseHead *responseHead = httpChan->GetResponseHead();
bool result = SendRedirect1Begin(newChannelId,
IPC::URI(newURI),
redirectFlags,
responseHead ? *responseHead
: nsHttpResponseHead());
if (!result)
return NS_BINDING_ABORTED;
// Result is handled in RecvRedirect2Verify above
mRedirectChannel = newChannel;
mRedirectCallback = callback;
return NS_OK;
}
NS_IMETHODIMP
HttpChannelParent::CompleteRedirect(PRBool succeeded)
{
if (succeeded && !mIPCClosed) {
// TODO: check return value: assume child dead if failed
unused << SendRedirect3Complete();
}
mRedirectChannel = nsnull;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpChannelParent::nsIHttpHeaderVisitor
//-----------------------------------------------------------------------------
nsresult
HttpChannelParent::VisitHeader(const nsACString &header, const nsACString &value)
{
// Will be set unless some random code QI's us to nsIHttpHeaderVisitor
NS_ENSURE_STATE(mHeadersToSyncToChild);
RequestHeaderTuple* tuple = mHeadersToSyncToChild->AppendElement();
tuple->mHeader = header;
tuple->mValue = value;
tuple->mMerge = false; // headers already merged:
return NS_OK;
}
}} // mozilla::net
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