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https://github.com/mozilla/gecko-dev.git
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714 lines
19 KiB
C++
714 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998,2000 Netscape Communications Corporation. All Rights
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* Reserved.
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*
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*/
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#include "nsNetUtil.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsJARChannel.h"
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#include "nsCRT.h"
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#include "nsIFileTransportService.h"
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#include "nsIURI.h"
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#include "nsIFileURL.h"
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#include "nsCExternalHandlerService.h"
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#include "nsIMIMEService.h"
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#include "nsAutoLock.h"
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#include "nsIFileStreams.h"
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#include "nsMimeTypes.h"
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#include "nsScriptSecurityManager.h"
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#include "nsIAggregatePrincipal.h"
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#include "nsIProgressEventSink.h"
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#include "nsXPIDLString.h"
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#include "nsReadableUtils.h"
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#include "nsIJAR.h"
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#include "prthread.h"
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static NS_DEFINE_CID(kFileTransportServiceCID, NS_FILETRANSPORTSERVICE_CID);
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static NS_DEFINE_CID(kScriptSecurityManagerCID, NS_SCRIPTSECURITYMANAGER_CID);
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#if defined(PR_LOGGING)
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//
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// Log module for JarChannel logging...
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//
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// To enable logging (see prlog.h for full details):
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//
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// set NSPR_LOG_MODULES=nsJarProtocol:5
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// set NSPR_LOG_FILE=nspr.log
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//
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// this enables PR_LOG_DEBUG level information and places all output in
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// the file nspr.log
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//
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PRLogModuleInfo* gJarProtocolLog = nsnull;
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#endif /* PR_LOGGING */
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////////////////////////////////////////////////////////////////////////////////
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#define NS_DEFAULT_JAR_BUFFER_SEGMENT_SIZE (16*1024)
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#define NS_DEFAULT_JAR_BUFFER_MAX_SIZE (256*1024)
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nsJARChannel::nsJARChannel()
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: mLoadFlags(LOAD_NORMAL)
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, mContentLength(-1)
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, mStatus(NS_OK)
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#ifdef DEBUG
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, mInitiator(nsnull)
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#endif
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{
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NS_INIT_REFCNT();
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#if defined(PR_LOGGING)
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//
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// Initialize the global PRLogModule for socket transport logging
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// if necessary...
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//
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if (nsnull == gJarProtocolLog) {
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gJarProtocolLog = PR_NewLogModule("nsJarProtocol");
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}
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#endif /* PR_LOGGING */
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}
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nsJARChannel::~nsJARChannel()
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{
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NS_IF_RELEASE(mJARProtocolHandler);
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}
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NS_IMPL_THREADSAFE_ISUPPORTS7(nsJARChannel,
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nsIJARChannel,
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nsIChannel,
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nsIRequest,
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nsIRequestObserver,
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nsIStreamListener,
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nsIStreamIO,
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nsIDownloadObserver)
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NS_METHOD
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nsJARChannel::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
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{
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nsresult rv;
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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nsJARChannel* jarChannel = new nsJARChannel();
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if (jarChannel == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(jarChannel);
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rv = jarChannel->QueryInterface(aIID, aResult);
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NS_RELEASE(jarChannel);
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return rv;
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}
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nsresult
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nsJARChannel::Init(nsJARProtocolHandler* aHandler, nsIURI* uri)
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{
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nsresult rv;
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mURI = do_QueryInterface(uri, &rv);
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if (NS_FAILED(rv)) return rv;
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NS_ADDREF(mJARProtocolHandler = aHandler);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIRequest methods
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NS_IMETHODIMP
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nsJARChannel::GetName(nsACString &result)
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{
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return mURI->GetSpec(result);
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}
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NS_IMETHODIMP
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nsJARChannel::IsPending(PRBool* result)
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{
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NS_NOTREACHED("nsJARChannel::IsPending");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsJARChannel::GetStatus(nsresult *status)
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{
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*status = mStatus;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::Cancel(nsresult status)
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{
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#ifdef DEBUG
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NS_ASSERTION(mInitiator == PR_CurrentThread(), "wrong thread");
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#endif
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NS_ASSERTION(NS_FAILED(status), "shouldn't cancel with a success code");
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nsresult rv = NS_OK;
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if (mJarExtractionTransport) {
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rv = mJarExtractionTransport->Cancel(status);
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mJarExtractionTransport = nsnull;
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}
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mStatus = status;
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return rv;
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}
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NS_IMETHODIMP
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nsJARChannel::Suspend()
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{
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#ifdef DEBUG
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NS_ASSERTION(mInitiator == PR_CurrentThread(), "wrong thread");
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#endif
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nsresult rv = NS_OK;
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if (mJarExtractionTransport) {
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rv = mJarExtractionTransport->Suspend();
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}
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return rv;
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}
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NS_IMETHODIMP
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nsJARChannel::Resume()
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{
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#ifdef DEBUG
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NS_ASSERTION(mInitiator == PR_CurrentThread(), "wrong thread");
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#endif
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nsresult rv = NS_OK;
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if (mJarExtractionTransport) {
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rv = mJarExtractionTransport->Resume();
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}
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return rv;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIChannel methods
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NS_IMETHODIMP
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nsJARChannel::GetOriginalURI(nsIURI* *aOriginalURI)
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{
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if (mOriginalURI)
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*aOriginalURI = mOriginalURI;
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else
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*aOriginalURI = NS_STATIC_CAST(nsIURI*, mURI);
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NS_IF_ADDREF(*aOriginalURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::SetOriginalURI(nsIURI* aOriginalURI)
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{
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mOriginalURI = aOriginalURI;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::GetURI(nsIURI* *aURI)
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{
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*aURI = mURI;
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NS_ADDREF(*aURI);
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return NS_OK;
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}
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nsresult
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nsJARChannel::OpenJARElement()
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{
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nsresult rv;
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nsAutoCMonitor mon(this);
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rv = Open();
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if (NS_SUCCEEDED(rv))
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rv = GetInputStream(getter_AddRefs(mSynchronousInputStream));
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mon.Notify(); // wake up nsIChannel::Open
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return rv;
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}
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NS_IMETHODIMP
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nsJARChannel::Open(nsIInputStream* *result)
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{
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nsAutoCMonitor mon(this);
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nsresult rv;
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mSynchronousRead = PR_TRUE;
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rv = EnsureJARFileAvailable();
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if (NS_FAILED(rv)) return rv;
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if (mSynchronousInputStream == nsnull)
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mon.Wait();
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if (!mSynchronousInputStream)
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return NS_ERROR_FAILURE;
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*result = mSynchronousInputStream; // Result of GetInputStream called on transport thread
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NS_ADDREF(*result);
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mSynchronousInputStream = 0;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::AsyncOpen(nsIStreamListener* listener, nsISupports* ctxt)
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{
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nsresult rv;
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#ifdef DEBUG
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mInitiator = PR_CurrentThread();
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#endif
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mUserContext = ctxt;
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mUserListener = listener;
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mSynchronousRead = PR_FALSE;
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if (mLoadGroup) {
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rv = mLoadGroup->AddRequest(this, nsnull);
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if (NS_FAILED(rv)) return rv;
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}
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rv = EnsureJARFileAvailable();
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if (NS_FAILED(rv) && mLoadGroup)
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mLoadGroup->RemoveRequest(this, nsnull, rv);
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return rv;
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}
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nsresult
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nsJARChannel::EnsureJARFileAvailable()
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{
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nsresult rv;
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#ifdef PR_LOGGING
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if (PR_LOG_TEST(gJarProtocolLog, PR_LOG_DEBUG)) {
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nsCAutoString jarURLStr;
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mURI->GetSpec(jarURLStr);
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PR_LOG(gJarProtocolLog, PR_LOG_DEBUG,
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("nsJarProtocol: EnsureJARFileAvailable %s", jarURLStr.get()));
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}
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#endif
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rv = mURI->GetJARFile(getter_AddRefs(mJARBaseURI));
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if (NS_FAILED(rv)) return rv;
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rv = mURI->GetJAREntry(mJAREntry);
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if (NS_FAILED(rv)) return rv;
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// try to get a nsIFile directly from the url, which will often succeed.
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{
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nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(mJARBaseURI);
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if (fileURL)
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fileURL->GetFile(getter_AddRefs(mDownloadedJARFile));
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}
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if (mDownloadedJARFile) {
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// after successfully downloading the jar file to the cache,
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// start the extraction process:
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if (mSynchronousRead)
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rv = OpenJARElement();
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else
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rv = AsyncReadJARElement();
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}
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else {
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rv = NS_NewDownloader(getter_AddRefs(mDownloader),
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mJARBaseURI, this, nsnull, mSynchronousRead,
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mLoadGroup, mCallbacks, mLoadFlags);
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// if DownloadComplete() was called early, need to release the reference.
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if (mSynchronousRead && mSynchronousInputStream)
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mDownloader = 0;
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}
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return rv;
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}
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nsresult
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nsJARChannel::AsyncReadJARElement()
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{
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nsresult rv;
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nsCOMPtr<nsIFileTransportService> fts =
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do_GetService(kFileTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsITransport> jarTransport;
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rv = fts->CreateTransportFromStreamIO(this, PR_TRUE, getter_AddRefs(jarTransport));
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if (NS_FAILED(rv)) return rv;
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if (mCallbacks) {
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nsCOMPtr<nsIProgressEventSink> sink = do_GetInterface(mCallbacks);
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if (sink) {
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// XXX don't think that this is needed anymore
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// jarTransport->SetProgressEventSink(sink);
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}
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}
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#ifdef PR_LOGGING
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if (PR_LOG_TEST(gJarProtocolLog, PR_LOG_DEBUG)) {
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nsCAutoString jarURLStr;
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mURI->GetSpec(jarURLStr);
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PR_LOG(gJarProtocolLog, PR_LOG_DEBUG,
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("nsJarProtocol: AsyncRead jar entry %s", jarURLStr.get()));
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}
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#endif
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rv = jarTransport->AsyncRead(this, nsnull, 0, PRUint32(-1), 0,
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getter_AddRefs(mJarExtractionTransport));
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jarTransport = 0;
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return rv;
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}
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NS_IMETHODIMP
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nsJARChannel::GetLoadFlags(PRUint32* aLoadFlags)
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{
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*aLoadFlags = mLoadFlags;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::SetLoadFlags(PRUint32 aLoadFlags)
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{
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mLoadFlags = aLoadFlags;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::GetContentType(nsACString &aContentType)
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{
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nsresult rv = NS_OK;
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if (mContentType.IsEmpty()) {
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if (mJAREntry.IsEmpty())
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return NS_ERROR_NOT_AVAILABLE;
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const char *ext = nsnull, *fileName = mJAREntry.get();
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PRInt32 len = mJAREntry.Length();
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for (PRInt32 i = len-1; i >= 0; i--) {
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if (fileName[i] == '.') {
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ext = &fileName[i + 1];
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break;
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}
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}
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if (ext) {
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nsIMIMEService* mimeServ = mJARProtocolHandler->GetCachedMimeService();
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if (mimeServ) {
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nsXPIDLCString mimeType;
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rv = mimeServ->GetTypeFromExtension(ext, getter_Copies(mimeType));
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if (NS_SUCCEEDED(rv))
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mContentType = mimeType;
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}
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}
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else
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rv = NS_ERROR_NOT_AVAILABLE;
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if (NS_FAILED(rv)) {
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mContentType = NS_LITERAL_CSTRING(UNKNOWN_CONTENT_TYPE);
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rv = NS_OK;
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}
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}
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if (NS_SUCCEEDED(rv))
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aContentType = mContentType;
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else
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aContentType.Truncate();
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return rv;
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}
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NS_IMETHODIMP
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nsJARChannel::SetContentType(const nsACString &aContentType)
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{
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mContentType = aContentType;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::GetContentCharset(nsACString &aContentCharset)
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{
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aContentCharset = mContentCharset;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::SetContentCharset(const nsACString &aContentCharset)
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{
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mContentCharset = aContentCharset;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::GetContentLength(PRInt32* aContentLength)
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{
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NS_ENSURE_ARG_POINTER(aContentLength);
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if (mContentLength == -1 && mJAR) {
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// ask the zip entry for the content length
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nsresult rv;
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nsCOMPtr<nsIZipEntry> entry;
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rv = mJAR->GetEntry(mJAREntry.get(), getter_AddRefs(entry));
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if (NS_FAILED(rv)) return rv;
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rv = entry->GetRealSize((PRUint32*)&mContentLength);
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if (NS_FAILED(rv)) return rv;
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}
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*aContentLength = mContentLength;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::SetContentLength(PRInt32 aContentLength)
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{
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NS_NOTREACHED("nsJARChannel::SetContentLength");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsJARChannel::GetLoadGroup(nsILoadGroup* *aLoadGroup)
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{
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*aLoadGroup = mLoadGroup;
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NS_IF_ADDREF(*aLoadGroup);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
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{
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mLoadGroup = aLoadGroup;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::GetOwner(nsISupports* *aOwner)
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{
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nsresult rv;
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if (mOwner == nsnull) {
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//-- Verify signature, if one is present, and set owner accordingly
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rv = EnsureZipReader();
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIJAR> jar = do_QueryInterface(mJAR, &rv);
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NS_ASSERTION(NS_SUCCEEDED(rv), "Zip reader is not an nsIJAR");
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nsCOMPtr<nsIPrincipal> certificate;
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rv = jar->GetCertificatePrincipal(mJAREntry.get(),
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getter_AddRefs(certificate));
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if (NS_FAILED(rv)) return rv;
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if (certificate)
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{ // Get the codebase principal
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nsCOMPtr<nsIScriptSecurityManager> secMan =
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do_GetService(kScriptSecurityManagerCID, &rv);
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if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
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nsCOMPtr<nsIPrincipal> codebase;
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rv = secMan->GetCodebasePrincipal(mJARBaseURI,
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getter_AddRefs(codebase));
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if (NS_FAILED(rv)) return rv;
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// Join the certificate and the codebase
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nsCOMPtr<nsIAggregatePrincipal> agg;
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agg = do_QueryInterface(certificate, &rv);
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rv = agg->SetCodebase(codebase);
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if (NS_FAILED(rv)) return rv;
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mOwner = do_QueryInterface(agg, &rv);
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if (NS_FAILED(rv)) return rv;
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}
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}
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*aOwner = mOwner;
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NS_IF_ADDREF(*aOwner);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::SetOwner(nsISupports* aOwner)
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{
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mOwner = aOwner;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::GetNotificationCallbacks(nsIInterfaceRequestor* *aNotificationCallbacks)
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{
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*aNotificationCallbacks = mCallbacks.get();
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NS_IF_ADDREF(*aNotificationCallbacks);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::SetNotificationCallbacks(nsIInterfaceRequestor* aNotificationCallbacks)
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{
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mCallbacks = aNotificationCallbacks;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARChannel::GetSecurityInfo(nsISupports * *aSecurityInfo)
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{
|
|
*aSecurityInfo = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// nsIDownloadObserver methods:
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::OnDownloadComplete(nsIDownloader* aDownloader, nsISupports* aClosure,
|
|
nsresult aStatus, nsIFile* aFile)
|
|
{
|
|
nsresult rv=aStatus;
|
|
if(NS_SUCCEEDED(aStatus)) {
|
|
NS_ASSERTION(!mDownloader ||(aDownloader == mDownloader.get()), "wrong downloader");
|
|
mDownloadedJARFile = aFile;
|
|
// after successfully downloading the jar file to the cache,
|
|
// start the extraction process:
|
|
if (mSynchronousRead)
|
|
rv = OpenJARElement();
|
|
else
|
|
rv = AsyncReadJARElement();
|
|
}
|
|
mDownloader = 0;
|
|
return rv;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// nsIRequestObserver methods:
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::OnStartRequest(nsIRequest* jarExtractionTransport,
|
|
nsISupports* context)
|
|
{
|
|
#ifdef DEBUG
|
|
NS_ASSERTION(mInitiator == PR_CurrentThread(), "wrong thread");
|
|
#endif
|
|
return mUserListener->OnStartRequest(this, mUserContext);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::OnStopRequest(nsIRequest* jarExtractionTransport, nsISupports* context,
|
|
nsresult aStatus)
|
|
{
|
|
nsresult rv;
|
|
#ifdef DEBUG
|
|
NS_ASSERTION(mInitiator == PR_CurrentThread(), "wrong thread");
|
|
#endif
|
|
#ifdef PR_LOGGING
|
|
if (PR_LOG_TEST(gJarProtocolLog, PR_LOG_DEBUG)) {
|
|
nsCOMPtr<nsIURI> jarURI;
|
|
nsCAutoString jarURLStr;
|
|
rv = mURI->GetSpec(jarURLStr);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
PR_LOG(gJarProtocolLog, PR_LOG_DEBUG,
|
|
("nsJarProtocol: jar extraction complete %s status=%x",
|
|
jarURLStr.get(), aStatus));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
rv = mUserListener->OnStopRequest(this, mUserContext, aStatus);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "OnStopRequest failed");
|
|
|
|
if (mLoadGroup)
|
|
mLoadGroup->RemoveRequest(this, context, aStatus);
|
|
|
|
mUserListener = nsnull;
|
|
mUserContext = nsnull;
|
|
mJarExtractionTransport = nsnull;
|
|
return rv;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// nsIStreamListener methods:
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::OnDataAvailable(nsIRequest* jarCacheTransport,
|
|
nsISupports* context,
|
|
nsIInputStream *inStr,
|
|
PRUint32 sourceOffset,
|
|
PRUint32 count)
|
|
{
|
|
#ifdef DEBUG
|
|
NS_ASSERTION(mInitiator == PR_CurrentThread(), "wrong thread");
|
|
#endif
|
|
return mUserListener->OnDataAvailable(this, mUserContext,
|
|
inStr, sourceOffset, count);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// nsIStreamIO methods:
|
|
|
|
nsresult
|
|
nsJARChannel::EnsureZipReader()
|
|
{
|
|
if (mJAR == nsnull) {
|
|
nsresult rv;
|
|
if (mDownloadedJARFile == nsnull)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIZipReaderCache> jarCache;
|
|
rv = mJARProtocolHandler->GetJARCache(getter_AddRefs(jarCache));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = jarCache->GetZip(mDownloadedJARFile, getter_AddRefs(mJAR));
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::Open()
|
|
{
|
|
return EnsureZipReader();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::Close(nsresult status)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::GetInputStream(nsIInputStream* *aInputStream)
|
|
{
|
|
#ifdef PR_LOGGING
|
|
if (PR_LOG_TEST(gJarProtocolLog, PR_LOG_DEBUG)) {
|
|
nsCAutoString jarURLStr;
|
|
mURI->GetSpec(jarURLStr);
|
|
PR_LOG(gJarProtocolLog, PR_LOG_DEBUG,
|
|
("nsJarProtocol: GetInputStream jar entry %s", jarURLStr.get()));
|
|
}
|
|
#endif
|
|
NS_ENSURE_TRUE(mJAR, NS_ERROR_NULL_POINTER);
|
|
nsresult rv = mJAR->GetInputStream(mJAREntry.get(), aInputStream);
|
|
if (NS_SUCCEEDED(rv))
|
|
(*aInputStream)->Available((PRUint32 *) &mContentLength);
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::GetOutputStream(nsIOutputStream* *aOutputStream)
|
|
{
|
|
NS_NOTREACHED("nsJARChannel::GetOutputStream");
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::GetName(char* *aName)
|
|
{
|
|
nsCAutoString spec;
|
|
nsresult rv = mURI->GetSpec(spec);
|
|
if (NS_FAILED(rv)) return rv;
|
|
*aName = ToNewCString(spec);
|
|
return *aName ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// nsIJARChannel methods:
|
|
|
|
NS_IMETHODIMP
|
|
nsJARChannel::EnumerateEntries(const char *aRoot, nsISimpleEnumerator **_retval)
|
|
{
|
|
NS_NOTREACHED("nsJARChannel::EnumerateEntries");
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|