/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape 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/NPL/ * * 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 * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Sean Echevarria * Håkan Waara * * 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 NPL, 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 NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* nsPluginHostImpl.cpp - bulk of code for managing plugins */ #include "nscore.h" #include "nsPluginHostImpl.h" #include #include "prio.h" #include "prmem.h" #include "ns4xPlugin.h" #include "nsPluginInstancePeer.h" #include "nsIPlugin.h" #ifdef OJI #include "nsIJVMPlugin.h" #include "nsIJVMPluginInstance.h" #include "nsIJVMManager.h" #endif #include "nsIPluginStreamListener.h" #include "nsIHTTPHeaderListener.h" #include "nsIHttpHeaderVisitor.h" #include "nsIObserverService.h" #include "nsIHttpProtocolHandler.h" #include "nsIHttpChannel.h" #include "nsIUploadChannel.h" #include "nsIByteRangeRequest.h" #include "nsIStreamListener.h" #include "nsIInputStream.h" #include "nsIOutputStream.h" #include "nsIURL.h" #include "nsXPIDLString.h" #include "nsReadableUtils.h" #include "nsIPref.h" #include "nsIProtocolProxyService.h" #include "nsIStreamConverterService.h" #include "nsIFile.h" #include "nsIInputStream.h" #include "nsIIOService.h" #include "nsIURL.h" #include "nsIChannel.h" #include "nsISeekableStream.h" #include "nsNetUtil.h" #include "nsIProgressEventSink.h" #include "nsIDocument.h" #include "nsIScriptablePlugin.h" #include "nsICachingChannel.h" #include "nsHashtable.h" #include "nsIProxyInfo.h" #include "nsObsoleteModuleLoading.h" #include "nsIComponentRegistrar.h" #include "nsPluginLogging.h" // Friggin' X11 has to "#define None". Lame! #ifdef None #undef None #endif //#include "nsIRegistry.h" #include "nsEnumeratorUtils.h" #include "nsXPCOM.h" #include "nsXPCOMCID.h" #include "nsICategoryManager.h" #include "nsISupportsPrimitives.h" // for the dialog #include "nsIStringBundle.h" #include "nsIWindowWatcher.h" #include "nsIDOMWindow.h" #include "nsIDOMWindowInternal.h" #include "nsIScriptGlobalObject.h" #include "nsIScriptGlobalObjectOwner.h" #include "nsIPrincipal.h" #include "nsIServiceManager.h" #include "nsICookieService.h" #include "nsIDOMPlugin.h" #include "nsIDOMMimeType.h" #include "nsMimeTypes.h" #include "prprf.h" #include "plevent.h" #include "nsIEventQueueService.h" #include "nsIEventQueue.h" #include "nsIInputStreamTee.h" #include "nsIInterfaceInfoManager.h" #include "xptinfo.h" #if defined(XP_WIN) #include "windows.h" #include "winbase.h" #endif #include "nsPluginDocLoaderFactory.h" #include "nsIMIMEService.h" #include "nsCExternalHandlerService.h" #include "nsILocalFile.h" #include "nsIFileChannel.h" #include "nsPluginSafety.h" #include "nsICharsetConverterManager.h" #include "nsIPlatformCharset.h" #include "nsIDirectoryService.h" #include "nsDirectoryServiceDefs.h" #include "nsAppDirectoryServiceDefs.h" #include "nsIFile.h" #include "nsPluginDirServiceProvider.h" #include "nsInt64.h" #include "nsPluginError.h" #include "nsUnicharUtils.h" #include "nsPluginManifestLineReader.h" #include "imgILoader.h" #include "nsDefaultPlugin.h" #include "nsWeakReference.h" #include "nsIDOMElement.h" #include "nsIStyleSet.h" #include "nsIStyleFrameConstruction.h" #include "nsIPresShell.h" #include "nsIPresContext.h" #include "nsIWebNavigation.h" #include "nsISupportsArray.h" #include "nsIDocShell.h" #include "nsPluginNativeWindow.h" #include "nsIScriptSecurityManager.h" #if defined(XP_MAC) && TARGET_CARBON #include "nsIClassicPluginFactory.h" #endif #ifdef XP_UNIX #if defined(MOZ_WIDGET_GTK) || defined (MOZ_WIDGET_GTK2) #include // for GDK_DISPLAY() #elif defined(MOZ_WIDGET_XLIB) #include "xlibrgb.h" // for xlib_rgb_get_display() #endif #endif #if defined(XP_MAC) || defined (XP_MACOSX) #if TARGET_CARBON #include // for ::UseInputWindow() #endif #endif // this is the name of the directory which will be created // to cache temporary files. #define kPluginTmpDirName NS_LITERAL_CSTRING("plugtmp") // Version of cached plugin info // 0.01 first implementation // 0.02 added caching of CanUnload to fix bug 105935 // 0.03 changed name, description and mime desc from string to bytes, bug 108246 // 0.04 added new mime entry point on Mac, bug 113464 // 0.05 added new entry point check for the default plugin, bug 132430 // 0.06 strip off suffixes in mime description strings, bug 53895 // 0.07 changed nsIRegistry to flat file support for caching plugins info // 0.08 mime entry point on MachO, bug 137535 static const char *kPluginRegistryVersion = "0.08"; //////////////////////////////////////////////////////////////////////// // CID's && IID's static NS_DEFINE_IID(kIPluginInstanceIID, NS_IPLUGININSTANCE_IID); static NS_DEFINE_IID(kIPluginInstancePeerIID, NS_IPLUGININSTANCEPEER_IID); static NS_DEFINE_IID(kIPluginStreamInfoIID, NS_IPLUGINSTREAMINFO_IID); static NS_DEFINE_CID(kPluginCID, NS_PLUGIN_CID); static NS_DEFINE_IID(kIPluginTagInfo2IID, NS_IPLUGINTAGINFO2_IID); static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID); static NS_DEFINE_CID(kProtocolProxyServiceCID, NS_PROTOCOLPROXYSERVICE_CID); static NS_DEFINE_CID(kCookieServiceCID, NS_COOKIESERVICE_CID); static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID); static NS_DEFINE_IID(kIRequestObserverIID, NS_IREQUESTOBSERVER_IID); static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID); static NS_DEFINE_CID(kHttpHandlerCID, NS_HTTPPROTOCOLHANDLER_CID); static NS_DEFINE_CID(kIHttpHeaderVisitorIID, NS_IHTTPHEADERVISITOR_IID); static NS_DEFINE_CID(kStreamConverterServiceCID, NS_STREAMCONVERTERSERVICE_CID); static NS_DEFINE_IID(kIFileUtilitiesIID, NS_IFILEUTILITIES_IID); static NS_DEFINE_IID(kIOutputStreamIID, NS_IOUTPUTSTREAM_IID); static const char kDirectoryServiceContractID[] = "@mozilla.org/file/directory_service;1"; // for the dialog static NS_DEFINE_IID(kStringBundleServiceCID, NS_STRINGBUNDLESERVICE_CID); static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID); static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID); static NS_DEFINE_IID(kCPluginManagerCID, NS_PLUGINMANAGER_CID); //////////////////////////////////////////////////////////////////////// // Registry keys for caching plugin info static const char kPluginsRootKey[] = "software/plugins"; static const char kPluginsNameKey[] = "name"; static const char kPluginsDescKey[] = "description"; static const char kPluginsFilenameKey[] = "filename"; static const char kPluginsFullpathKey[] = "fullpath"; static const char kPluginsModTimeKey[] = "lastModTimeStamp"; static const char kPluginsCanUnload[] = "canUnload"; static const char kPluginsVersionKey[] = "version"; static const char kPluginsMimeTypeKey[] = "mimetype"; static const char kPluginsMimeDescKey[] = "description"; static const char kPluginsMimeExtKey[] = "extension"; #define kPluginRegistryFilename NS_LITERAL_CSTRING("pluginreg.dat") #ifdef PLUGIN_LOGGING PRLogModuleInfo* nsPluginLogging::gNPNLog = nsnull; PRLogModuleInfo* nsPluginLogging::gNPPLog = nsnull; PRLogModuleInfo* nsPluginLogging::gPluginLog = nsnull; #endif #define PLUGIN_PROPERTIES_URL "chrome://global/locale/downloadProgress.properties" #define PLUGIN_REGIONAL_URL "chrome://global-region/locale/region.properties" // #defines for reading prefs and extra search plugin paths from windows registry #define _MAXKEYVALUE_ 8196 #define _NS_PREF_COMMON_PLUGIN_REG_KEY_ "browser.plugins.registry_plugins_folder_key_location" #define _NS_COMMON_PLUGIN_KEY_NAME_ "Plugins Folders" // #defines for plugin cache and prefs #define NS_PREF_MAX_NUM_CACHED_PLUGINS "browser.plugins.max_num_cached_plugins" #define DEFAULT_NUMBER_OF_STOPPED_PLUGINS 10 #define MAGIC_REQUEST_CONTEXT 0x01020304 nsresult PostPluginUnloadEvent(PRLibrary * aLibrary); static nsActivePluginList *gActivePluginList; #ifdef CALL_SAFETY_ON PRBool gSkipPluginSafeCalls = PR_FALSE; #endif //////////////////////////////////////////////////////////////////////// // flat file reg funcs static PRBool ReadSectionHeader(nsPluginManifestLineReader& reader, const char *token) { do { if (*reader.LinePtr() == '[') { char* p = reader.LinePtr() + (reader.LineLength() - 1); if (*p != ']') break; *p = 0; char* values[1]; if (1 != reader.ParseLine(values, 1)) break; // ignore the leading '[' if (PL_strcmp(values[0]+1, token)) { break; // it's wrong token } return PR_TRUE; } } while (reader.NextLine()); return PR_FALSE; } //////////////////////////////////////////////////////////////////////// // Little helper struct to asynchronously reframe any presentations (embedded) // or reload any documents (full-page), that contained plugins // which were shutdown as a result of a plugins.refresh(1) struct nsPluginDocReframeEvent: public PLEvent { nsPluginDocReframeEvent (nsISupportsArray* aDocs) { mDocs = aDocs; } nsresult HandlePluginDocReframeEvent(); nsCOMPtr mDocs; }; nsresult nsPluginDocReframeEvent::HandlePluginDocReframeEvent() { NS_ENSURE_TRUE(mDocs, NS_ERROR_FAILURE); PRUint32 c; mDocs->Count(&c); // for each document (which previously had a running instance), tell // the frame constructor to rebuild for (PRUint32 i = 0; i < c; i++) { nsCOMPtr doc (do_QueryElementAt(mDocs, i)); if (doc) { nsCOMPtr shell; doc->GetShellAt(0, getter_AddRefs(shell)); // if this document has a presentation shell, then it has frames and can be reframed if (shell) { nsCOMPtr pc; nsCOMPtr set; shell->GetPresContext(getter_AddRefs(pc)); shell->GetStyleSet(getter_AddRefs(set)); if (pc && set) { nsCOMPtr fc; set->GetStyleFrameConstruction(getter_AddRefs(fc)); if (fc) /** * A reframe will cause a fresh object frame, instance owner, and instance * to be created. Reframing of the entire document is necessary as we may have * recently found new plugins and we want a shot at trying to use them instead * of leaving alternate renderings. * We do not want to completely reload all the documents that had running plugins * because we could possibly trigger a script to run in the unload event handler * which may want to access our defunct plugin and cause us to crash. */ fc->ReconstructDocElementHierarchy(pc); // causes reframe of document } } else { // no pres shell --> full-page plugin /** * This document does not have a presentation shell. It may be a full-page plugin. * Full-page plugins don't really have the same problem of crashing because they * are not currently scriptable. However, they do leave a non-painting, defunct * window which doesn't look good. A reload of the page for full-page plugins * is needed to kickstart the instance. */ nsCOMPtr gso; doc->GetScriptGlobalObject(getter_AddRefs(gso)); if (gso) { nsCOMPtr docShell; gso->GetDocShell(getter_AddRefs(docShell)); nsCOMPtr webNav (do_QueryInterface(docShell)); if (webNav) webNav->Reload(nsIWebNavigation::LOAD_FLAGS_NONE); else NS_WARNING("refreshing plugins: couldn't get webnav or docshell from gso"); } else NS_WARNING("refreshing plugins: could not get the global script object -- did the plugin set it?"); } } } return mDocs->Clear(); } //---------------------------------------------------------------------- static void* PR_CALLBACK HandlePluginDocReframePLEvent(PLEvent* aEvent) { nsPluginDocReframeEvent* event = NS_REINTERPRET_CAST(nsPluginDocReframeEvent*, aEvent); event->HandlePluginDocReframeEvent(); return nsnull; } static void PR_CALLBACK DestroyPluginDocReframePLEvent(PLEvent* aEvent) { delete aEvent; } //////////////////////////////////////////////////////////////////////// nsActivePlugin::nsActivePlugin(nsPluginTag* aPluginTag, nsIPluginInstance* aInstance, const char * url, PRBool aDefaultPlugin, nsIPluginInstancePeer* peer) { mNext = nsnull; mPeer = nsnull; mPluginTag = aPluginTag; mURL = PL_strdup(url); mInstance = aInstance; if(aInstance && peer) { mPeer = peer; NS_ADDREF(mPeer); NS_ADDREF(aInstance); } mXPConnected = PR_FALSE; mDefaultPlugin = aDefaultPlugin; mStopped = PR_FALSE; mllStopTime = LL_ZERO; } //////////////////////////////////////////////////////////////////////// nsActivePlugin::~nsActivePlugin() { mPluginTag = nsnull; if(mInstance != nsnull) { if(mPeer) { nsresult rv = NS_OK; nsCOMPtr peer(do_QueryInterface(mPeer)); nsCOMPtr owner; rv = peer->GetOwner(getter_AddRefs(owner)); if (owner) owner->SetInstance(nsnull); } // now check for cached plugins because they haven't had nsIPluginInstance::Destroy() // called yet. For non-cached plugins, nsIPluginInstance::Destroy() is called // in either nsObjectFrame::Destroy() or nsActivePluginList::stopRunning() PRBool doCache = PR_TRUE; mInstance->GetValue(nsPluginInstanceVariable_DoCacheBool, (void *) &doCache); if (doCache) mInstance->Destroy(); NS_RELEASE(mInstance); NS_RELEASE(mPeer); } PL_strfree(mURL); } //////////////////////////////////////////////////////////////////////// void nsActivePlugin::setStopped(PRBool stopped) { mStopped = stopped; if(mStopped) // plugin instance is told to stop mllStopTime = PR_Now(); else mllStopTime = LL_ZERO; } //////////////////////////////////////////////////////////////////////// nsActivePluginList::nsActivePluginList() { mFirst = nsnull; mLast = nsnull; mCount = 0; } //////////////////////////////////////////////////////////////////////// nsActivePluginList::~nsActivePluginList() { if(mFirst == nsnull) return; shut(); } //////////////////////////////////////////////////////////////////////// void nsActivePluginList::shut() { if(mFirst == nsnull) return; for(nsActivePlugin * plugin = mFirst; plugin != nsnull;) { nsActivePlugin * next = plugin->mNext; remove(plugin); plugin = next; } mFirst = nsnull; mLast = nsnull; } //////////////////////////////////////////////////////////////////////// PRInt32 nsActivePluginList::add(nsActivePlugin * plugin) { if (mFirst == nsnull) { mFirst = plugin; mLast = plugin; mFirst->mNext = nsnull; } else { mLast->mNext = plugin; mLast = plugin; } mLast->mNext = nsnull; mCount++; return mCount; } //////////////////////////////////////////////////////////////////////// PRBool nsActivePluginList::IsLastInstance(nsActivePlugin * plugin) { if(!plugin) return PR_FALSE; if(!plugin->mPluginTag) return PR_FALSE; for(nsActivePlugin * p = mFirst; p != nsnull; p = p->mNext) { if((p->mPluginTag == plugin->mPluginTag) && (p != plugin)) return PR_FALSE; } return PR_TRUE; } //////////////////////////////////////////////////////////////////////// PRBool nsActivePluginList::remove(nsActivePlugin * plugin) { if(mFirst == nsnull) return PR_FALSE; nsActivePlugin * prev = nsnull; for(nsActivePlugin * p = mFirst; p != nsnull; p = p->mNext) { if(p == plugin) { PRBool lastInstance = IsLastInstance(p); if(p == mFirst) mFirst = p->mNext; else prev->mNext = p->mNext; if((prev != nsnull) && (prev->mNext == nsnull)) mLast = prev; // see if this is going to be the last instance of a plugin // if so we should perform nsIPlugin::Shutdown and unload the library // by calling nsPluginTag::TryUnloadPlugin() if(lastInstance) { // cache some things as we are going to destroy it right now nsPluginTag *pluginTag = p->mPluginTag; delete p; // plugin instance is destroyed here if(pluginTag) pluginTag->TryUnloadPlugin(); else NS_ASSERTION(pluginTag, "pluginTag was not set, plugin not shutdown"); } else delete p; mCount--; return PR_TRUE; } prev = p; } return PR_FALSE; } //////////////////////////////////////////////////////////////////////// // This method terminates all running instances of plugins and collects their // documents to be returned through an array. This method is used // when we are shutting down or when a plugins.refresh(1) happens. void nsActivePluginList::stopRunning(nsISupportsArray* aReloadDocs) { if(mFirst == nsnull) return; PRBool doCallSetWindowAfterDestroy = PR_FALSE; for(nsActivePlugin * p = mFirst; p != nsnull; p = p->mNext) { if(!p->mStopped && p->mInstance) { // then determine if the plugin wants Destroy to be called after // Set Window. This is for bug 50547. p->mInstance->GetValue(nsPluginInstanceVariable_CallSetWindowAfterDestroyBool, (void *) &doCallSetWindowAfterDestroy); if (doCallSetWindowAfterDestroy) { p->mInstance->Stop(); p->mInstance->Destroy(); p->mInstance->SetWindow(nsnull); } else { p->mInstance->SetWindow(nsnull); p->mInstance->Stop(); p->mInstance->Destroy(); } doCallSetWindowAfterDestroy = PR_FALSE; p->setStopped(PR_TRUE); // If we've been passed an array to return, lets collect all our documents, // removing duplicates. These will be reframed (embedded) or reloaded (full-page) later // to kickstart our instances. if (aReloadDocs && p->mPeer) { nsCOMPtr peer(do_QueryInterface(p->mPeer)); nsCOMPtr owner; peer->GetOwner(getter_AddRefs(owner)); if (owner) { nsCOMPtr doc; owner->GetDocument(getter_AddRefs(doc)); if (doc && aReloadDocs->IndexOf(doc) == -1) // don't allow for duplicates aReloadDocs->AppendElement(doc); } } } } } //////////////////////////////////////////////////////////////////////// void nsActivePluginList::removeAllStopped() { if(mFirst == nsnull) return; nsActivePlugin * next = nsnull; for(nsActivePlugin * p = mFirst; p != nsnull;) { next = p->mNext; if(p->mStopped) remove(p); p = next; } return; } //////////////////////////////////////////////////////////////////////// nsActivePlugin * nsActivePluginList::find(nsIPluginInstance* instance) { for(nsActivePlugin * p = mFirst; p != nsnull; p = p->mNext) { if(p->mInstance == instance) { #ifdef NS_DEBUG PRBool doCache = PR_TRUE; p->mInstance->GetValue(nsPluginInstanceVariable_DoCacheBool, (void *) &doCache); NS_ASSERTION(!p->mStopped || doCache, "This plugin is not supposed to be cached!"); #endif return p; } } return nsnull; } nsActivePlugin * nsActivePluginList::find(const char * mimetype) { PRBool defaultplugin = (PL_strcmp(mimetype, "*") == 0); for(nsActivePlugin * p = mFirst; p != nsnull; p = p->mNext) { // give it some special treatment for the default plugin first // because we cannot tell the default plugin by asking peer for a mime type if(defaultplugin && p->mDefaultPlugin) return p; if(!p->mPeer) continue; nsMIMEType mt; nsresult res = p->mPeer->GetMIMEType(&mt); if(NS_FAILED(res)) continue; if(PL_strcasecmp(mt, mimetype) == 0) { #ifdef NS_DEBUG PRBool doCache = PR_TRUE; p->mInstance->GetValue(nsPluginInstanceVariable_DoCacheBool, (void *) &doCache); NS_ASSERTION(!p->mStopped || doCache, "This plugin is not supposed to be cached!"); #endif return p; } } return nsnull; } //////////////////////////////////////////////////////////////////////// nsActivePlugin * nsActivePluginList::findStopped(const char * url) { for(nsActivePlugin * p = mFirst; p != nsnull; p = p->mNext) { if(!PL_strcmp(url, p->mURL) && p->mStopped) { #ifdef NS_DEBUG PRBool doCache = PR_TRUE; p->mInstance->GetValue(nsPluginInstanceVariable_DoCacheBool, (void *) &doCache); NS_ASSERTION(doCache, "This plugin is not supposed to be cached!"); #endif return p; } } return nsnull; } //////////////////////////////////////////////////////////////////////// PRUint32 nsActivePluginList::getStoppedCount() { PRUint32 stoppedCount = 0; for(nsActivePlugin * p = mFirst; p != nsnull; p = p->mNext) { if(p->mStopped) stoppedCount++; } return stoppedCount; } //////////////////////////////////////////////////////////////////////// nsActivePlugin * nsActivePluginList::findOldestStopped() { nsActivePlugin * res = nsnull; PRInt64 llTime = LL_MAXINT; for(nsActivePlugin * p = mFirst; p != nsnull; p = p->mNext) { if(!p->mStopped) continue; if(LL_CMP(p->mllStopTime, <, llTime)) { llTime = p->mllStopTime; res = p; } } #ifdef NS_DEBUG if(res) { PRBool doCache = PR_TRUE; res->mInstance->GetValue(nsPluginInstanceVariable_DoCacheBool, (void *) &doCache); NS_ASSERTION(doCache, "This plugin is not supposed to be cached!"); } #endif return res; } //////////////////////////////////////////////////////////////////////// nsPluginTag::nsPluginTag() { mPluginHost = nsnull; mNext = nsnull; mName = nsnull; mDescription = nsnull; mVariants = 0; mMimeTypeArray = nsnull; mMimeDescriptionArray = nsnull; mExtensionsArray = nsnull; mLibrary = nsnull; mCanUnloadLibrary = PR_TRUE; mEntryPoint = nsnull; mFlags = NS_PLUGIN_FLAG_ENABLED; mXPConnected = PR_FALSE; mFileName = nsnull; mFullPath = nsnull; } //////////////////////////////////////////////////////////////////////// inline char* new_str(const char* str) { if(str == nsnull) return nsnull; char* result = new char[strlen(str) + 1]; if (result != nsnull) return strcpy(result, str); return result; } //////////////////////////////////////////////////////////////////////// nsPluginTag::nsPluginTag(nsPluginTag* aPluginTag) { mPluginHost = nsnull; mNext = nsnull; mName = new_str(aPluginTag->mName); mDescription = new_str(aPluginTag->mDescription); mVariants = aPluginTag->mVariants; mMimeTypeArray = nsnull; mMimeDescriptionArray = nsnull; mExtensionsArray = nsnull; if(aPluginTag->mMimeTypeArray != nsnull) { mMimeTypeArray = new char*[mVariants]; for (int i = 0; i < mVariants; i++) mMimeTypeArray[i] = new_str(aPluginTag->mMimeTypeArray[i]); } if(aPluginTag->mMimeDescriptionArray != nsnull) { mMimeDescriptionArray = new char*[mVariants]; for (int i = 0; i < mVariants; i++) mMimeDescriptionArray[i] = new_str(aPluginTag->mMimeDescriptionArray[i]); } if(aPluginTag->mExtensionsArray != nsnull) { mExtensionsArray = new char*[mVariants]; for (int i = 0; i < mVariants; i++) mExtensionsArray[i] = new_str(aPluginTag->mExtensionsArray[i]); } mLibrary = nsnull; mCanUnloadLibrary = PR_TRUE; mEntryPoint = nsnull; mFlags = NS_PLUGIN_FLAG_ENABLED; mXPConnected = PR_FALSE; mFileName = new_str(aPluginTag->mFileName); mFullPath = new_str(aPluginTag->mFullPath); } //////////////////////////////////////////////////////////////////////// nsPluginTag::nsPluginTag(nsPluginInfo* aPluginInfo) { mPluginHost = nsnull; mNext = nsnull; mName = new_str(aPluginInfo->fName); mDescription = new_str(aPluginInfo->fDescription); mVariants = aPluginInfo->fVariantCount; mMimeTypeArray = nsnull; mMimeDescriptionArray = nsnull; mExtensionsArray = nsnull; if(aPluginInfo->fMimeTypeArray != nsnull) { mMimeTypeArray = new char*[mVariants]; for (int i = 0; i < mVariants; i++) mMimeTypeArray[i] = new_str(aPluginInfo->fMimeTypeArray[i]); } if(aPluginInfo->fMimeDescriptionArray != nsnull) { mMimeDescriptionArray = new char*[mVariants]; for (int i = 0; i < mVariants; i++) { // we should cut off the list of suffixes which the mime // description string may have, see bug 53895 // it is usually in form "some description (*.sf1, *.sf2)" // so we can search for the opening round bracket char cur = '\0'; char pre = '\0'; char * p = PL_strrchr(aPluginInfo->fMimeDescriptionArray[i], '('); if (p && (p != aPluginInfo->fMimeDescriptionArray[i])) { if ((p - 1) && *(p - 1) == ' ') { pre = *(p - 1); *(p - 1) = '\0'; } else { cur = *p; *p = '\0'; } } mMimeDescriptionArray[i] = new_str(aPluginInfo->fMimeDescriptionArray[i]); // restore the original string if (cur != '\0') *p = cur; if (pre != '\0') *(p - 1) = pre; } } if(aPluginInfo->fExtensionArray != nsnull) { mExtensionsArray = new char*[mVariants]; for (int i = 0; i < mVariants; i++) mExtensionsArray[i] = new_str(aPluginInfo->fExtensionArray[i]); } mFileName = new_str(aPluginInfo->fFileName); mFullPath = new_str(aPluginInfo->fFullPath); mLibrary = nsnull; mCanUnloadLibrary = PR_TRUE; mEntryPoint = nsnull; #if TARGET_CARBON mCanUnloadLibrary = !aPluginInfo->fBundle; #endif mFlags = NS_PLUGIN_FLAG_ENABLED; mXPConnected = PR_FALSE; } //////////////////////////////////////////////////////////////////////// nsPluginTag::nsPluginTag(const char* aName, const char* aDescription, const char* aFileName, const char* aFullPath, const char* const* aMimeTypes, const char* const* aMimeDescriptions, const char* const* aExtensions, PRInt32 aVariants, PRInt64 aLastModifiedTime, PRBool aCanUnload) : mNext(nsnull), mVariants(aVariants), mMimeTypeArray(nsnull), mMimeDescriptionArray(nsnull), mExtensionsArray(nsnull), mLibrary(nsnull), mCanUnloadLibrary(aCanUnload), mEntryPoint(nsnull), mFlags(0), mXPConnected(PR_FALSE), mLastModifiedTime(aLastModifiedTime) { mPluginHost = nsnull; mName = new_str(aName); mDescription = new_str(aDescription); mFileName = new_str(aFileName); mFullPath = new_str(aFullPath); if (mVariants) { mMimeTypeArray = new char*[mVariants]; mMimeDescriptionArray = new char*[mVariants]; mExtensionsArray = new char*[mVariants]; for (PRInt32 i = 0; i < aVariants; ++i) { mMimeTypeArray[i] = new_str(aMimeTypes[i]); mMimeDescriptionArray[i] = new_str(aMimeDescriptions[i]); mExtensionsArray[i] = new_str(aExtensions[i]); } } } nsPluginTag::~nsPluginTag() { TryUnloadPlugin(PR_TRUE); // Remove mime types added to the catagory manager // only if we were made 'active' by setting the host if (mPluginHost) { RegisterWithCategoryManager(PR_FALSE, nsPluginTag::ePluginUnregister); } if (nsnull != mName) { delete[] (mName); mName = nsnull; } if (nsnull != mDescription) { delete[] (mDescription); mDescription = nsnull; } if (nsnull != mMimeTypeArray) { for (int i = 0; i < mVariants; i++) delete[] mMimeTypeArray[i]; delete[] (mMimeTypeArray); mMimeTypeArray = nsnull; } if (nsnull != mMimeDescriptionArray) { for (int i = 0; i < mVariants; i++) delete[] mMimeDescriptionArray[i]; delete[] (mMimeDescriptionArray); mMimeDescriptionArray = nsnull; } if (nsnull != mExtensionsArray) { for (int i = 0; i < mVariants; i++) delete[] mExtensionsArray[i]; delete[] (mExtensionsArray); mExtensionsArray = nsnull; } if(nsnull != mFileName) { delete [] mFileName; mFileName = nsnull; } if(nsnull != mFullPath) { delete [] mFullPath; mFullPath = nsnull; } } void nsPluginTag::SetHost(nsPluginHostImpl * aHost) { mPluginHost = aHost; } //---------------------------------------------------------------------- // helper struct for asynchronous handeling of plugin unloading struct nsPluginUnloadEvent: public PLEvent { nsPluginUnloadEvent (PRLibrary* aLibrary); void HandleEvent() { if (mLibrary) NS_TRY_SAFE_CALL_VOID(PR_UnloadLibrary(mLibrary), nsnull, nsnull); // put our unload call in a saftey wrapper else NS_WARNING("missing library from nsPluginUnloadEvent"); } PRLibrary* mLibrary; }; nsPluginUnloadEvent::nsPluginUnloadEvent (PRLibrary* aLibrary) { mLibrary = aLibrary; } //---------------------------------------------------------------------- // helper static callback functions for plugin unloading PLEvents static void PR_CALLBACK HandlePluginUnloadPLEvent(nsPluginUnloadEvent* aEvent) { aEvent->HandleEvent(); } static void PR_CALLBACK DestroyPluginUnloadPLEvent(nsPluginUnloadEvent* aEvent) { delete aEvent; } // unload plugin asynchronously if possible, otherwise just unload now nsresult PostPluginUnloadEvent (PRLibrary* aLibrary) { nsCOMPtr eventService(do_GetService(kEventQueueServiceCID)); if (eventService) { nsCOMPtr eventQueue; eventService->GetThreadEventQueue(PR_GetCurrentThread(), getter_AddRefs(eventQueue)); if (eventQueue) { nsPluginUnloadEvent * ev = new nsPluginUnloadEvent(aLibrary); if (ev) { PL_InitEvent(ev, nsnull, (PLHandleEventProc) ::HandlePluginUnloadPLEvent, (PLDestroyEventProc) ::DestroyPluginUnloadPLEvent); if (NS_SUCCEEDED(eventQueue->PostEvent(ev))) return NS_OK; else NS_WARNING("failed to post event onto queue"); } else NS_WARNING("not able to create plugin unload event"); } else NS_WARNING("couldn't get event queue"); } else NS_WARNING("couldn't get event queue service"); // failure case NS_TRY_SAFE_CALL_VOID(PR_UnloadLibrary(aLibrary), nsnull, nsnull); return NS_ERROR_FAILURE; } //////////////////////////////////////////////////////////////////////// void nsPluginTag::TryUnloadPlugin(PRBool aForceShutdown) { PRBool isXPCOM = PR_FALSE; if (!(mFlags & NS_PLUGIN_FLAG_OLDSCHOOL)) isXPCOM = PR_TRUE; if (isXPCOM && !aForceShutdown) return; if (mEntryPoint) { mEntryPoint->Shutdown(); mEntryPoint->Release(); mEntryPoint = nsnull; } // before we unload check if we are allowed to, see bug #61388 // also, never unload an XPCOM plugin library if (mLibrary && mCanUnloadLibrary && !isXPCOM) { // NPAPI plugins can be unloaded now if they don't use XPConnect if (!mXPConnected) // unload the plugin asynchronously by posting a PLEvent PostPluginUnloadEvent(mLibrary); else { // add library to the unused library list to handle it later if (mPluginHost) mPluginHost->AddUnusedLibrary(mLibrary); } } // we should zero it anyway, it is going to be unloaded by // CleanUnsedLibraries before we need to call the library // again so the calling code should not be fooled and reload // the library fresh mLibrary = nsnull; } //////////////////////////////////////////////////////////////////////// PRBool nsPluginTag::Equals(nsPluginTag *aPluginTag) { NS_ENSURE_TRUE(aPluginTag, PR_FALSE); if ( (PL_strcmp(mName, aPluginTag->mName) != 0) || (PL_strcmp(mDescription, aPluginTag->mDescription) != 0) || (mVariants != aPluginTag->mVariants) ) return PR_FALSE; if (mVariants && mMimeTypeArray && aPluginTag->mMimeTypeArray) { for (PRInt32 i = 0; i < mVariants; i++) { if (PL_strcmp(mMimeTypeArray[i], aPluginTag->mMimeTypeArray[i]) != 0) return PR_FALSE; } } return PR_TRUE; } //////////////////////////////////////////////////////////////////////// class nsPluginStreamListenerPeer; class nsPluginStreamInfo : public nsIPluginStreamInfo { public: nsPluginStreamInfo(); virtual ~nsPluginStreamInfo(); NS_DECL_ISUPPORTS // nsIPluginStreamInfo interface NS_IMETHOD GetContentType(nsMIMEType* result); NS_IMETHOD IsSeekable(PRBool* result); NS_IMETHOD GetLength(PRUint32* result); NS_IMETHOD GetLastModified(PRUint32* result); NS_IMETHOD GetURL(const char** result); NS_IMETHOD RequestRead(nsByteRange* rangeList); NS_IMETHOD GetStreamOffset(PRInt32 *result); NS_IMETHOD SetStreamOffset(PRInt32 result); // local methods void SetContentType(const nsMIMEType contentType); void SetSeekable(const PRBool seekable); void SetLength(const PRUint32 length); void SetLastModified(const PRUint32 modified); void SetURL(const char* url); void SetPluginInstance(nsIPluginInstance * aPluginInstance); void SetPluginStreamListenerPeer(nsPluginStreamListenerPeer * aPluginStreamListenerPeer); void MakeByteRangeString(nsByteRange* aRangeList, nsACString &string, PRInt32 *numRequests); PRBool UseExistingPluginCacheFile(nsPluginStreamInfo* psi); void SetStreamComplete(const PRBool complete); private: char* mContentType; char* mURL; PRBool mSeekable; PRUint32 mLength; PRUint32 mModified; nsIPluginInstance * mPluginInstance; nsPluginStreamListenerPeer * mPluginStreamListenerPeer; PRInt32 mStreamOffset; PRBool mStreamComplete; }; /////////////////////////////////////////////////////////////////////////////////////////////////// class nsPluginStreamListenerPeer : public nsIStreamListener, public nsIProgressEventSink, public nsIHttpHeaderVisitor, public nsSupportsWeakReference { public: nsPluginStreamListenerPeer(); virtual ~nsPluginStreamListenerPeer(); NS_DECL_ISUPPORTS NS_DECL_NSIPROGRESSEVENTSINK NS_DECL_NSIREQUESTOBSERVER NS_DECL_NSISTREAMLISTENER NS_DECL_NSIHTTPHEADERVISITOR // Called by GetURL and PostURL (via NewStream) nsresult Initialize(nsIURI *aURL, nsIPluginInstance *aInstance, nsIPluginStreamListener *aListener, PRInt32 requestCount = 1); nsresult InitializeEmbeded(nsIURI *aURL, nsIPluginInstance* aInstance, nsIPluginInstanceOwner *aOwner = nsnull, nsIPluginHost *aHost = nsnull); nsresult InitializeFullPage(nsIPluginInstance *aInstance); nsresult OnFileAvailable(nsIFile* aFile); nsILoadGroup* GetLoadGroup(); nsresult ServeStreamAsFile(nsIRequest *request, nsISupports *ctxt); private: nsresult SetUpCache(nsIURI* aURL); // todo: see about removing this... nsresult SetUpStreamListener(nsIRequest* request, nsIURI* aURL); nsresult SetupPluginCacheFile(nsIChannel* channel); nsIURI *mURL; nsIPluginInstanceOwner *mOwner; nsIPluginInstance *mInstance; nsIPluginStreamListener *mPStreamListener; nsPluginStreamInfo *mPluginStreamInfo; // Set to PR_TRUE if we request failed (like with a HTTP response of 404) PRPackedBool mRequestFailed; /* * Set to PR_TRUE after nsIPluginInstancePeer::OnStartBinding() has * been called. Checked in ::OnStopRequest so we can call the * plugin's OnStartBinding if, for some reason, it has not already * been called. */ PRPackedBool mStartBinding; PRPackedBool mHaveFiredOnStartRequest; // these get passed to the plugin stream listener char *mMIMEType; PRUint32 mLength; nsPluginStreamType mStreamType; nsIPluginHost *mHost; // local cached file, we save the content into local cache if browser cache is not available, // or plugin asks stream as file and it expects file extension until bug 90558 got fixed nsIFile *mLocalCachedFile; nsCOMPtr mFileCacheOutputStream; nsHashtable *mDataForwardToRequest; public: PRBool mAbort; PRInt32 mPendingRequests; nsWeakPtr mWeakPtrChannelCallbacks; nsWeakPtr mWeakPtrChannelLoadGroup; }; //////////////////////////////////////////////////////////////////////// class nsPluginByteRangeStreamListener : public nsIStreamListener { public: nsPluginByteRangeStreamListener(nsIWeakReference* aWeakPtr); virtual ~nsPluginByteRangeStreamListener(); // nsISupports NS_DECL_ISUPPORTS // nsIRequestObserver methods: NS_DECL_NSIREQUESTOBSERVER // nsIStreamListener methods: NS_DECL_NSISTREAMLISTENER private: nsCOMPtr mStreamConverter; nsWeakPtr mWeakPtrPluginStreamListenerPeer; PRBool mRemoveMagicNumber; }; //////////////////////////////////////////////////////////////////////// nsPluginStreamInfo::nsPluginStreamInfo() { mPluginInstance = nsnull; mPluginStreamListenerPeer = nsnull; mContentType = nsnull; mURL = nsnull; mSeekable = PR_FALSE; mLength = 0; mModified = 0; mStreamOffset = 0; mStreamComplete = PR_FALSE; } //////////////////////////////////////////////////////////////////////// nsPluginStreamInfo::~nsPluginStreamInfo() { if(mContentType != nsnull) PL_strfree(mContentType); if(mURL != nsnull) PL_strfree(mURL); NS_IF_RELEASE(mPluginInstance); } //////////////////////////////////////////////////////////////////////// NS_IMPL_ADDREF(nsPluginStreamInfo) NS_IMPL_RELEASE(nsPluginStreamInfo) //////////////////////////////////////////////////////////////////////// nsresult nsPluginStreamInfo::QueryInterface(const nsIID& aIID, void** aInstancePtrResult) { NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer"); if (nsnull == aInstancePtrResult) return NS_ERROR_NULL_POINTER; if (aIID.Equals(kIPluginStreamInfoIID)) { *aInstancePtrResult = (void *)((nsIPluginStreamInfo *)this); AddRef(); return NS_OK; } if (aIID.Equals(kISupportsIID)) { *aInstancePtrResult = (void *)((nsISupports *)((nsIStreamListener *)this)); AddRef(); return NS_OK; } return NS_NOINTERFACE; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamInfo::GetContentType(nsMIMEType* result) { *result = mContentType; return NS_OK; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamInfo::IsSeekable(PRBool* result) { *result = mSeekable; return NS_OK; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamInfo::GetLength(PRUint32* result) { *result = mLength; return NS_OK; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamInfo::GetLastModified(PRUint32* result) { *result = mModified; return NS_OK; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamInfo::GetURL(const char** result) { *result = mURL; return NS_OK; } //////////////////////////////////////////////////////////////////////// void nsPluginStreamInfo::MakeByteRangeString(nsByteRange* aRangeList, nsACString &rangeRequest, PRInt32 *numRequests) { rangeRequest.Truncate(); *numRequests = 0; //the string should look like this: bytes=500-700,601-999 if(!aRangeList) return; PRInt32 requestCnt = 0; nsCAutoString string("bytes="); for(nsByteRange * range = aRangeList; range != nsnull; range = range->next) { // XXX zero length? if(!range->length) continue; // XXX needs to be fixed for negative offsets string.AppendInt(range->offset); string.Append("-"); string.AppendInt(range->offset + range->length - 1); if(range->next) string += ","; requestCnt++; } // get rid of possible trailing comma string.Trim(",", PR_FALSE); rangeRequest = string; *numRequests = requestCnt; return; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamInfo::RequestRead(nsByteRange* rangeList) { nsCAutoString rangeString; PRInt32 numRequests; //first of all lets see if mPluginStreamListenerPeer is still alive nsCOMPtr suppWeakRef( do_QueryInterface((nsISupportsWeakReference *)(mPluginStreamListenerPeer))); if (!suppWeakRef) return NS_ERROR_FAILURE; nsCOMPtr pWeakRefPluginStreamListenerPeer = getter_AddRefs(NS_GetWeakReference(suppWeakRef)); if (!pWeakRefPluginStreamListenerPeer) return NS_ERROR_FAILURE; MakeByteRangeString(rangeList, rangeString, &numRequests); if(numRequests == 0) return NS_ERROR_FAILURE; nsresult rv = NS_OK; nsCOMPtr url; rv = NS_NewURI(getter_AddRefs(url), nsDependentCString(mURL)); nsCOMPtr callbacks = do_QueryReferent(mPluginStreamListenerPeer->mWeakPtrChannelCallbacks); nsCOMPtr loadGroup = do_QueryReferent(mPluginStreamListenerPeer->mWeakPtrChannelLoadGroup); nsCOMPtr channel; rv = NS_NewChannel(getter_AddRefs(channel), url, nsnull, loadGroup, callbacks); if (NS_FAILED(rv)) return rv; nsCOMPtr httpChannel(do_QueryInterface(channel)); if(!httpChannel) return NS_ERROR_FAILURE; httpChannel->SetRequestHeader(NS_LITERAL_CSTRING("Range"), rangeString, PR_FALSE); mPluginStreamListenerPeer->mAbort = PR_TRUE; // instruct old stream listener to cancel // the request on the next ODA. nsCOMPtr converter; if (numRequests == 1) { converter = mPluginStreamListenerPeer; // set current stream offset equal to the first offset in the range list // it will work for single byte range request // for multy range we'll reset it in ODA SetStreamOffset(rangeList->offset); } else { nsPluginByteRangeStreamListener *brrListener = new nsPluginByteRangeStreamListener(pWeakRefPluginStreamListenerPeer); if (brrListener) converter = brrListener; else return NS_ERROR_OUT_OF_MEMORY; } mPluginStreamListenerPeer->mPendingRequests += numRequests; nsCOMPtr container = do_CreateInstance(NS_SUPPORTS_PRUINT32_CONTRACTID, &rv); if (NS_FAILED(rv)) return rv; rv = container->SetData(MAGIC_REQUEST_CONTEXT); if (NS_FAILED(rv)) return rv; return channel->AsyncOpen(converter, container); } NS_IMETHODIMP nsPluginStreamInfo::GetStreamOffset(PRInt32 *result) { *result = mStreamOffset; return NS_OK; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamInfo::SetStreamOffset(PRInt32 offset) { mStreamOffset = offset; return NS_OK; } //////////////////////////////////////////////////////////////////////// void nsPluginStreamInfo::SetContentType(const nsMIMEType contentType) { if(mContentType != nsnull) PL_strfree(mContentType); mContentType = PL_strdup(contentType); } //////////////////////////////////////////////////////////////////////// void nsPluginStreamInfo::SetSeekable(const PRBool seekable) { mSeekable = seekable; } //////////////////////////////////////////////////////////////////////// void nsPluginStreamInfo::SetLength(const PRUint32 length) { mLength = length; } //////////////////////////////////////////////////////////////////////// void nsPluginStreamInfo::SetLastModified(const PRUint32 modified) { mModified = modified; } //////////////////////////////////////////////////////////////////////// void nsPluginStreamInfo::SetURL(const char* url) { if(mURL != nsnull) PL_strfree(mURL); mURL = PL_strdup(url); } //////////////////////////////////////////////////////////////////////// void nsPluginStreamInfo::SetPluginInstance(nsIPluginInstance * aPluginInstance) { NS_IF_ADDREF(mPluginInstance = aPluginInstance); } //////////////////////////////////////////////////////////////////////// void nsPluginStreamInfo::SetPluginStreamListenerPeer(nsPluginStreamListenerPeer * aPluginStreamListenerPeer) { // not addref'd - nsPluginStreamInfo is owned by mPluginStreamListenerPeer mPluginStreamListenerPeer = aPluginStreamListenerPeer; } /////////////////////////////////////////////////////////////////////////////////////////////////// class nsPluginCacheListener : public nsIStreamListener { public: nsPluginCacheListener(nsPluginStreamListenerPeer* aListener); virtual ~nsPluginCacheListener(); NS_DECL_ISUPPORTS NS_DECL_NSIREQUESTOBSERVER NS_DECL_NSISTREAMLISTENER private: nsPluginStreamListenerPeer* mListener; }; //////////////////////////////////////////////////////////////////////// nsPluginCacheListener::nsPluginCacheListener(nsPluginStreamListenerPeer* aListener) { mListener = aListener; NS_ADDREF(mListener); } //////////////////////////////////////////////////////////////////////// nsPluginCacheListener::~nsPluginCacheListener() { NS_IF_RELEASE(mListener); } //////////////////////////////////////////////////////////////////////// NS_IMPL_ISUPPORTS1(nsPluginCacheListener, nsIStreamListener) //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginCacheListener::OnStartRequest(nsIRequest *request, nsISupports* ctxt) { return NS_OK; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginCacheListener::OnDataAvailable(nsIRequest *request, nsISupports* ctxt, nsIInputStream* aIStream, PRUint32 sourceOffset, PRUint32 aLength) { PRUint32 readlen; char* buffer = (char*) PR_Malloc(aLength); // if we don't read from the stream, OnStopRequest will never be called if(!buffer) return NS_ERROR_OUT_OF_MEMORY; nsresult rv = aIStream->Read(buffer, aLength, &readlen); NS_ASSERTION(aLength == readlen, "nsCacheListener->OnDataAvailable: " "readlen != aLength"); PR_Free(buffer); return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginCacheListener::OnStopRequest(nsIRequest *request, nsISupports* aContext, nsresult aStatus) { return NS_OK; } /////////////////////////////////////////////////////////////////////////////////////////////////////// nsPluginStreamListenerPeer::nsPluginStreamListenerPeer() { mURL = nsnull; mOwner = nsnull; mInstance = nsnull; mPStreamListener = nsnull; mPluginStreamInfo = nsnull; mHost = nsnull; mStreamType = nsPluginStreamType_Normal; mStartBinding = PR_FALSE; mAbort = PR_FALSE; mRequestFailed = PR_FALSE; mPendingRequests = 0; mHaveFiredOnStartRequest = PR_FALSE; mDataForwardToRequest = nsnull; mLocalCachedFile = nsnull; } //////////////////////////////////////////////////////////////////////// nsPluginStreamListenerPeer::~nsPluginStreamListenerPeer() { #ifdef PLUGIN_LOGGING nsCAutoString urlSpec; if(mURL != nsnull) (void)mURL->GetSpec(urlSpec); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL, ("nsPluginStreamListenerPeer::dtor this=%p, url=%s%c",this, urlSpec.get(), mLocalCachedFile?',':'\n')); #endif NS_IF_RELEASE(mURL); NS_IF_RELEASE(mOwner); NS_IF_RELEASE(mInstance); NS_IF_RELEASE(mPStreamListener); NS_IF_RELEASE(mHost); NS_IF_RELEASE(mPluginStreamInfo); // close FD of mFileCacheOutputStream if it's still open // or we won't be able to remove the cache file if (mFileCacheOutputStream) mFileCacheOutputStream = nsnull; // if we have mLocalCachedFile lets release it // and it'll be fiscally remove if refcnt == 1 if (mLocalCachedFile) { nsrefcnt refcnt; NS_RELEASE2(mLocalCachedFile, refcnt); #ifdef PLUGIN_LOGGING nsCAutoString filePath; mLocalCachedFile->GetNativePath(filePath); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL, ("LocalyCachedFile=%s has %d refcnt and will %s be deleted now\n",filePath.get(),refcnt,refcnt==1?"":"NOT")); #endif if (refcnt == 1) { mLocalCachedFile->Remove(PR_FALSE); NS_RELEASE(mLocalCachedFile); } } delete mDataForwardToRequest; } //////////////////////////////////////////////////////////////////////// NS_IMPL_ISUPPORTS4(nsPluginStreamListenerPeer, nsIStreamListener, nsIRequestObserver, nsIHttpHeaderVisitor, nsISupportsWeakReference) //////////////////////////////////////////////////////////////////////// /* Called as a result of GetURL and PostURL */ //////////////////////////////////////////////////////////////////////// nsresult nsPluginStreamListenerPeer::Initialize(nsIURI *aURL, nsIPluginInstance *aInstance, nsIPluginStreamListener* aListener, PRInt32 requestCount) { #ifdef PLUGIN_LOGGING nsCAutoString urlSpec; if(aURL != nsnull) (void)aURL->GetAsciiSpec(urlSpec); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL, ("nsPluginStreamListenerPeer::Initialize instance=%p, url=%s\n", aInstance, urlSpec.get())); PR_LogFlush(); #endif mURL = aURL; NS_ADDREF(mURL); mInstance = aInstance; NS_ADDREF(mInstance); mPStreamListener = aListener; NS_ADDREF(mPStreamListener); mPluginStreamInfo = new nsPluginStreamInfo(); if (!mPluginStreamInfo) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(mPluginStreamInfo); mPluginStreamInfo->SetPluginInstance(aInstance); mPluginStreamInfo->SetPluginStreamListenerPeer(this); mPendingRequests = requestCount; mDataForwardToRequest = new nsHashtable(16, PR_FALSE); if (!mDataForwardToRequest) return NS_ERROR_FAILURE; return NS_OK; } /* Called by NewEmbededPluginStream() - if this is called, we weren't able to load the plugin, so we need to load it later once we figure out the mimetype. In order to load it later, we need the plugin host and instance owner. */ //////////////////////////////////////////////////////////////////////// nsresult nsPluginStreamListenerPeer::InitializeEmbeded(nsIURI *aURL, nsIPluginInstance* aInstance, nsIPluginInstanceOwner *aOwner, nsIPluginHost *aHost) { #ifdef PLUGIN_LOGGING nsCAutoString urlSpec; if(aURL != nsnull) (void)aURL->GetSpec(urlSpec); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL, ("nsPluginStreamListenerPeer::InitializeEmbeded url=%s\n", urlSpec.get())); PR_LogFlush(); #endif mURL = aURL; NS_ADDREF(mURL); if(aInstance != nsnull) { NS_ASSERTION(mInstance == nsnull, "nsPluginStreamListenerPeer::InitializeEmbeded mInstance != nsnull"); mInstance = aInstance; NS_ADDREF(mInstance); } else { mOwner = aOwner; NS_IF_ADDREF(mOwner); mHost = aHost; NS_IF_ADDREF(mHost); } mPluginStreamInfo = new nsPluginStreamInfo(); if (!mPluginStreamInfo) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(mPluginStreamInfo); mPluginStreamInfo->SetPluginInstance(aInstance); mPluginStreamInfo->SetPluginStreamListenerPeer(this); mDataForwardToRequest = new nsHashtable(16, PR_FALSE); if (!mDataForwardToRequest) return NS_ERROR_FAILURE; return NS_OK; } /* Called by NewFullPagePluginStream() */ //////////////////////////////////////////////////////////////////////// nsresult nsPluginStreamListenerPeer::InitializeFullPage(nsIPluginInstance *aInstance) { PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginStreamListenerPeer::InitializeFullPage instance=%p\n",aInstance)); NS_ASSERTION(mInstance == nsnull, "nsPluginStreamListenerPeer::InitializeFullPage mInstance != nsnull"); mInstance = aInstance; NS_ADDREF(mInstance); mPluginStreamInfo = new nsPluginStreamInfo(); if (!mPluginStreamInfo) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(mPluginStreamInfo); mPluginStreamInfo->SetPluginInstance(aInstance); mPluginStreamInfo->SetPluginStreamListenerPeer(this); mDataForwardToRequest = new nsHashtable(16, PR_FALSE); if (!mDataForwardToRequest) return NS_ERROR_FAILURE; return NS_OK; } //////////////////////////////////////////////////////////////////////// // SetupPluginCacheFile is called if we have to save the stream to disk. // the most likely cause for this is either there is no disk cache available // or the stream is coming from a https server. // // These files will be deleted when the host is destroyed. // // TODO? What if we fill up the the dest dir? nsresult nsPluginStreamListenerPeer::SetupPluginCacheFile(nsIChannel* channel) { nsresult rv = NS_OK; // lets try to reused a file if we already have in the local plugin cache // we loop through all of active plugins // and call |nsPluginStreamInfo::UseExistingPluginCacheFile()| on opened stream // will return RP_TRUE if file exisrs // and some conditions are matched, in this case that file will be use // in |::OnFileAvailable()| calls w/o rewriting the file again. // The file will be deleted in |nsPluginStreamListenerPeer::~nsPluginStreamListenerPeer| PRBool useExistingCacheFile = PR_FALSE; nsActivePlugin *pActivePlugins = gActivePluginList->mFirst; while (pActivePlugins && pActivePlugins->mStreams && !useExistingCacheFile) { // most recent streams are at the end of list PRInt32 cnt; pActivePlugins->mStreams->Count((PRUint32*)&cnt); while (--cnt >= 0 && !useExistingCacheFile) { nsPluginStreamListenerPeer *lp = NS_REINTERPRET_CAST(nsPluginStreamListenerPeer *, pActivePlugins->mStreams->ElementAt(cnt)); if (lp) { if (lp->mLocalCachedFile && lp->mPluginStreamInfo && (useExistingCacheFile = lp->mPluginStreamInfo->UseExistingPluginCacheFile(mPluginStreamInfo))) { NS_ADDREF(mLocalCachedFile = lp->mLocalCachedFile); } NS_RELEASE(lp); } } pActivePlugins = pActivePlugins->mNext; } if (!useExistingCacheFile) { nsCOMPtr pluginTmp; // Is this the best place to put this temp file? rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(pluginTmp)); if (NS_FAILED(rv)) return rv; rv = pluginTmp->AppendNative(kPluginTmpDirName); if (NS_FAILED(rv)) return rv; (void) pluginTmp->Create(nsIFile::DIRECTORY_TYPE,0777); // Get the filename from the channel nsCOMPtr uri; rv = channel->GetURI(getter_AddRefs(uri)); if (NS_FAILED(rv)) return rv; nsCOMPtr url(do_QueryInterface(uri)); if(!url) return NS_ERROR_FAILURE; nsCAutoString filename; url->GetFileName(filename); if (NS_FAILED(rv)) return rv; // Create a file to save our stream into. Should we scramble the name? rv = pluginTmp->AppendNative(filename); if (NS_FAILED(rv)) return rv; // Yes, make it unique. rv = pluginTmp->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 0600); if (NS_FAILED(rv)) return rv; // create a file output stream to write to... nsCOMPtr outstream; rv = NS_NewLocalFileOutputStream(getter_AddRefs(mFileCacheOutputStream), pluginTmp, -1, 00600); if (NS_FAILED(rv)) return rv; // save the file. CallQueryInterface(pluginTmp, &mLocalCachedFile); // no need to check return value, just addref // add one extra refcnt, we can use NS_RELEASE2(mLocalCachedFile...) in dtor // to remove this file when refcnt == 1 NS_ADDREF(mLocalCachedFile); } // add this listenerPeer to list of stream peers for this instance // it'll delay release of listenerPeer until nsActivePlugin::~nsActivePlugin // and the temp file is going to stay alive until then pActivePlugins = gActivePluginList->find(mInstance); if (pActivePlugins) { if (!pActivePlugins->mStreams && (NS_FAILED(rv = NS_NewISupportsArray(getter_AddRefs(pActivePlugins->mStreams))))) { return rv; } nsISupports* supports = NS_STATIC_CAST(nsISupports*, (NS_STATIC_CAST(nsIStreamListener*, this))); pActivePlugins->mStreams->AppendElement(supports); } return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamListenerPeer::OnStartRequest(nsIRequest *request, nsISupports* aContext) { nsresult rv = NS_OK; if (mHaveFiredOnStartRequest) { return NS_OK; } mHaveFiredOnStartRequest = PR_TRUE; // do a little sanity check to make sure our frame isn't gone // by getting the tag type and checking for an error, we can determine if // the frame is gone if (mOwner) { nsCOMPtr pti2 = do_QueryInterface(mOwner); NS_ENSURE_TRUE(pti2, NS_ERROR_FAILURE); nsPluginTagType tagType; if (NS_FAILED(pti2->GetTagType(&tagType))) return NS_ERROR_FAILURE; // something happened to our object frame, so bail! } nsCOMPtr channel = do_QueryInterface(request); NS_ENSURE_TRUE(channel, NS_ERROR_FAILURE); // deal with 404 (Not Found) HTTP response, // just return, this causes the request to be ignored. nsCOMPtr httpChannel(do_QueryInterface(channel)); if (httpChannel) { PRUint32 responseCode = 0; rv = httpChannel->GetResponseStatus(&responseCode); if (NS_FAILED(rv) || responseCode > 206) { // not normal // NPP_Notify() will be called from OnStopRequest // in ns4xPluginStreamListener::CleanUpStream // return error will cancel this request // ...and we also need to tell the plugin that mRequestFailed = PR_TRUE; return NS_ERROR_FAILURE; } // Get the notification callbacks from the channel and save it as week ref // we'll use it in nsPluginStreamInfo::RequestRead() // when we'll create channel for byte range request. nsCOMPtr callbacks; channel->GetNotificationCallbacks(getter_AddRefs(callbacks)); if (callbacks) mWeakPtrChannelCallbacks = getter_AddRefs(NS_GetWeakReference(callbacks)); nsCOMPtr loadGroup; channel->GetLoadGroup(getter_AddRefs(loadGroup)); if (loadGroup) mWeakPtrChannelLoadGroup = getter_AddRefs(NS_GetWeakReference(loadGroup)); } PRInt32 length; rv = channel->GetContentLength(&length); // it's possible for the server to not send a Content-Length. // we should still work in this case. if (NS_FAILED(rv) || length == -1) { // check out if this is file channel nsCOMPtr fileChannel = do_QueryInterface(channel); if (fileChannel) { // file does not exist mRequestFailed = PR_TRUE; return NS_ERROR_FAILURE; } mPluginStreamInfo->SetLength(PRUint32(0)); } else { mPluginStreamInfo->SetLength(length); } nsCAutoString aContentType; rv = channel->GetContentType(aContentType); if (NS_FAILED(rv)) return rv; nsCOMPtr aURL; rv = channel->GetURI(getter_AddRefs(aURL)); if (NS_FAILED(rv)) return rv; nsCAutoString urlSpec; aURL->GetSpec(urlSpec); mPluginStreamInfo->SetURL(urlSpec.get()); if (!aContentType.IsEmpty()) mPluginStreamInfo->SetContentType(aContentType.get()); #ifdef PLUGIN_LOGGING PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NOISY, ("nsPluginStreamListenerPeer::OnStartRequest this=%p request=%p mime=%s, url=%s\n", this, request, aContentType.get(), urlSpec.get())); PR_LogFlush(); #endif nsPluginWindow *window = nsnull; // if we don't have an nsIPluginInstance (mInstance), it means // we weren't able to load a plugin previously because we // didn't have the mimetype. Now that we do (aContentType), // we'll try again with SetUpPluginInstance() // which is called by InstantiateEmbededPlugin() // NOTE: we don't want to try again if we didn't get the MIME type this time if ((nsnull == mInstance) && (nsnull != mOwner) && (!aContentType.IsEmpty())) { mOwner->GetInstance(mInstance); mOwner->GetWindow(window); if ((nsnull == mInstance) && (nsnull != mHost) && (nsnull != window)) { // determine if we need to try embedded again. FullPage takes a different code path nsPluginMode mode; mOwner->GetMode(&mode); if (mode == nsPluginMode_Embedded) rv = mHost->InstantiateEmbededPlugin(aContentType.get(), aURL, mOwner); else rv = mHost->SetUpPluginInstance(aContentType.get(), aURL, mOwner); if (NS_OK == rv) { // GetInstance() adds a ref mOwner->GetInstance(mInstance); if (nsnull != mInstance) { mInstance->Start(); mOwner->CreateWidget(); // If we've got a native window, the let the plugin know // about it. if (window->window) mInstance->SetWindow(window); } } } } // // Set up the stream listener... // rv = SetUpStreamListener(request, aURL); if (NS_FAILED(rv)) return rv; return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamListenerPeer::OnProgress(nsIRequest *request, nsISupports* aContext, PRUint32 aProgress, PRUint32 aProgressMax) { nsresult rv = NS_OK; return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamListenerPeer::OnStatus(nsIRequest *request, nsISupports* aContext, nsresult aStatus, const PRUnichar* aStatusArg) { return NS_OK; } //////////////////////////////////////////////////////////////////////// class nsPRUintKey : public nsHashKey { protected: PRUint32 mKey; public: nsPRUintKey(PRUint32 key) : mKey(key) {} PRUint32 HashCode(void) const { return mKey; } PRBool Equals(const nsHashKey *aKey) const { return mKey == ((const nsPRUintKey *) aKey)->mKey; } nsHashKey *Clone() const { return new nsPRUintKey(mKey); } PRUint32 GetValue() { return mKey; } }; //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamListenerPeer::OnDataAvailable(nsIRequest *request, nsISupports* aContext, nsIInputStream *aIStream, PRUint32 sourceOffset, PRUint32 aLength) { if (mRequestFailed) return NS_ERROR_FAILURE; if(mAbort) { PRUint32 magicNumber = 0; // set it to something that is not the magic number. nsCOMPtr container = do_QueryInterface(aContext); if (container) container->GetData(&magicNumber); if (magicNumber != MAGIC_REQUEST_CONTEXT) { // this is not one of our range requests mAbort = PR_FALSE; return NS_BINDING_ABORTED; } } nsresult rv = NS_OK; if(!mPStreamListener || !mPluginStreamInfo) return NS_ERROR_FAILURE; const char * url = nsnull; mPluginStreamInfo->GetURL(&url); PLUGIN_LOG(PLUGIN_LOG_NOISY, ("nsPluginStreamListenerPeer::OnDataAvailable this=%p request=%p, offset=%d, length=%d, url=%s\n", this, request, sourceOffset, aLength, url ? url : "no url set")); // if the plugin has requested an AsFileOnly stream, then don't // call OnDataAvailable if(mStreamType != nsPluginStreamType_AsFileOnly) { // get the absolute offset of the request, if one exists. nsCOMPtr brr = do_QueryInterface(request); PRInt32 absoluteOffset = 0; PRInt32 amtForwardToPlugin = 0; if (brr) { brr->GetStartRange(&absoluteOffset); // we need to track how much data we have forward on to the plugin. nsPRUintKey key(absoluteOffset); if (!mDataForwardToRequest) return NS_ERROR_FAILURE; if (mDataForwardToRequest->Exists(&key)) amtForwardToPlugin = NS_PTR_TO_INT32(mDataForwardToRequest->Remove(&key)); mDataForwardToRequest->Put(&key, (void*) (amtForwardToPlugin+aLength)); mPluginStreamInfo->SetStreamOffset(absoluteOffset + amtForwardToPlugin); } nsCOMPtr stream = aIStream; // if we are caching the file ourselves to disk, we want to 'tee' off // the data as the plugin read from the stream. We do this by the magic // of an input stream tee. if (mFileCacheOutputStream) { rv = NS_NewInputStreamTee(getter_AddRefs(stream), aIStream, mFileCacheOutputStream); if (NS_FAILED(rv)) return rv; } rv = mPStreamListener->OnDataAvailable((nsIPluginStreamInfo*)mPluginStreamInfo, stream, aLength); // if a plugin returns an error, the peer must kill the stream // else the stream and PluginStreamListener leak if (NS_FAILED(rv)) request->Cancel(rv); } else { // if we don't read from the stream, OnStopRequest will never be called char* buffer = new char[aLength]; PRUint32 amountRead, amountWrote = 0; rv = aIStream->Read(buffer, aLength, &amountRead); // if we are caching this to disk ourselves, lets write the bytes out. if (mFileCacheOutputStream) { while (amountWrote < amountRead && NS_SUCCEEDED(rv)) { rv = mFileCacheOutputStream->Write(buffer, amountRead, &amountWrote); } } delete [] buffer; } return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamListenerPeer::OnStopRequest(nsIRequest *request, nsISupports* aContext, nsresult aStatus) { nsresult rv = NS_OK; PLUGIN_LOG(PLUGIN_LOG_NOISY, ("nsPluginStreamListenerPeer::OnStopRequest this=%p aStatus=%d request=%p\n", this, aStatus, request)); // for ByteRangeRequest we're just updating the mDataForwardToRequest hash and return. nsCOMPtr brr = do_QueryInterface(request); if (brr) { PRInt32 absoluteOffset = 0; brr->GetStartRange(&absoluteOffset); nsPRUintKey key(absoluteOffset); // remove the request from our data forwarding count hash. (void) mDataForwardToRequest->Remove(&key); PLUGIN_LOG(PLUGIN_LOG_NOISY, (" ::OnStopRequest for ByteRangeRequest Started=%d\n", absoluteOffset)); } else { // if this is not byte range request and // if we are writting the stream to disk ourselves, // close & tear it down here mFileCacheOutputStream = nsnull; } // if we still have pending stuff to do, lets not close the plugin socket. if (--mPendingRequests > 0) return NS_OK; // we keep our connections around... nsCOMPtr container = do_QueryInterface(aContext); if (container) { PRUint32 magicNumber = 0; // set it to something that is not the magic number. container->GetData(&magicNumber); if (magicNumber == MAGIC_REQUEST_CONTEXT) { // this is one of our range requests return NS_OK; } } if(!mPStreamListener) return NS_ERROR_FAILURE; nsCOMPtr channel = do_QueryInterface(request); if (!channel) return NS_ERROR_FAILURE; // Set the content type to ensure we don't pass null to the plugin nsCAutoString aContentType; rv = channel->GetContentType(aContentType); if (NS_FAILED(rv)) return rv; if (!aContentType.IsEmpty()) mPluginStreamInfo->SetContentType(aContentType.get()); // set error status if stream failed so we notify the plugin if (mRequestFailed) aStatus = NS_ERROR_FAILURE; if (NS_FAILED(aStatus)) { // on error status cleanup the stream // and return w/o OnFileAvailable() mPStreamListener->OnStopBinding((nsIPluginStreamInfo*)mPluginStreamInfo, aStatus); return NS_OK; } // call OnFileAvailable if plugin requests stream type StreamType_AsFile or StreamType_AsFileOnly if (mStreamType >= nsPluginStreamType_AsFile) { nsCOMPtr localFile = do_QueryInterface(mLocalCachedFile); if (!localFile) { nsCOMPtr cacheChannel = do_QueryInterface(request); if (cacheChannel) { cacheChannel->GetCacheFile(getter_AddRefs(localFile)); } else { // see if it is a file channel. nsCOMPtr fileChannel = do_QueryInterface(request); if (fileChannel) { fileChannel->GetFile(getter_AddRefs(localFile)); } } } if (localFile) { OnFileAvailable(localFile); } } if (mStartBinding) { // On start binding has been called mPStreamListener->OnStopBinding((nsIPluginStreamInfo*)mPluginStreamInfo, aStatus); } else { // OnStartBinding hasn't been called, so complete the action. mPStreamListener->OnStartBinding((nsIPluginStreamInfo*)mPluginStreamInfo); mPStreamListener->OnStopBinding((nsIPluginStreamInfo*)mPluginStreamInfo, aStatus); } if (NS_SUCCEEDED(aStatus)) mPluginStreamInfo->SetStreamComplete(PR_TRUE); return NS_OK; } //////////////////////////////////////////////////////////////////////// // private methods for nsPluginStreamListenerPeer nsresult nsPluginStreamListenerPeer::SetUpCache(nsIURI* aURL) { nsPluginCacheListener* cacheListener = new nsPluginCacheListener(this); // XXX: Null LoadGroup? return NS_OpenURI(cacheListener, nsnull, aURL, nsnull); } //////////////////////////////////////////////////////////////////////// nsresult nsPluginStreamListenerPeer::SetUpStreamListener(nsIRequest *request, nsIURI* aURL) { nsresult rv = NS_OK; // If we don't yet have a stream listener, we need to get // one from the plugin. // NOTE: this should only happen when a stream was NOT created // with GetURL or PostURL (i.e. it's the initial stream we // send to the plugin as determined by the SRC or DATA attribute) if(mPStreamListener == nsnull && mInstance != nsnull) rv = mInstance->NewStream(&mPStreamListener); if(rv != NS_OK) return rv; if(mPStreamListener == nsnull) return NS_ERROR_NULL_POINTER; PRBool useLocalCache = PR_FALSE; // get httpChannel to retrieve some info we need for nsIPluginStreamInfo setup nsCOMPtr channel = do_QueryInterface(request); nsCOMPtr httpChannel = do_QueryInterface(channel); /* * Assumption * By the time nsPluginStreamListenerPeer::OnDataAvailable() gets * called, all the headers have been read. */ if (httpChannel) { httpChannel->VisitResponseHeaders(this); // set seekability (seekable if the stream has a known length and if the // http server accepts byte ranges). PRBool bSeekable = PR_FALSE; PRUint32 length; mPluginStreamInfo->GetLength(&length); if (length) { // first we look for a content-encoding header. If we find one, // we tell the plugin that stream is not seekable, // because range request on compressed content is irrelevant, // so we force the plugin to use nsPluginStreamType_AsFile stream type // and we have to save decompressed file into local plugin cache, // because necko cache contains original compressed file. nsCAutoString contentEncoding; if (NS_SUCCEEDED(httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Content-Encoding"), contentEncoding))) { useLocalCache = PR_TRUE; } else { nsCAutoString range; if (NS_SUCCEEDED(httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("accept-ranges"), range)) && range.Equals(NS_LITERAL_CSTRING("bytes"), nsCaseInsensitiveCStringComparator())) { bSeekable = PR_TRUE; // nsPluginStreamInfo.mSeekable intitialized by PR_FALSE in ctor of nsPluginStreamInfo // so we reset it only here. mPluginStreamInfo->SetSeekable(bSeekable); } } // we require a content len // get Last-Modified header for plugin info nsCAutoString lastModified; if (NS_SUCCEEDED(httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("last-modified"), lastModified)) && !lastModified.IsEmpty()) { PRTime time64; PR_ParseTimeString(lastModified.get(), PR_TRUE, &time64); //convert string time to interger time // Convert PRTime to unix-style time_t, i.e. seconds since the epoch double fpTime; LL_L2D(fpTime, time64); mPluginStreamInfo->SetLastModified((PRUint32)(fpTime * 1e-6 + 0.5)); } } } rv = mPStreamListener->OnStartBinding((nsIPluginStreamInfo*)mPluginStreamInfo); mStartBinding = PR_TRUE; if (NS_FAILED(rv)) return rv; mPStreamListener->GetStreamType(&mStreamType); if (!useLocalCache && mStreamType >= nsPluginStreamType_AsFile) { // check it out if this is not a file channel. nsCOMPtr fileChannel = do_QueryInterface(request); if (!fileChannel) { // and browser cache is not available nsCOMPtr cacheChannel = do_QueryInterface(request); if (!(cacheChannel && (NS_SUCCEEDED(cacheChannel->SetCacheAsFile(PR_TRUE))))) { useLocalCache = PR_TRUE; } } } if (useLocalCache) { SetupPluginCacheFile(channel); } return NS_OK; } //////////////////////////////////////////////////////////////////////// nsresult nsPluginStreamListenerPeer::OnFileAvailable(nsIFile* aFile) { nsresult rv; if (!mPStreamListener) return NS_ERROR_FAILURE; nsCAutoString path; rv = aFile->GetNativePath(path); if (NS_FAILED(rv)) return rv; if (path.IsEmpty()) { NS_WARNING("empty path"); return NS_OK; } rv = mPStreamListener->OnFileAvailable((nsIPluginStreamInfo*)mPluginStreamInfo, path.get()); return rv; } //////////////////////////////////////////////////////////////////////// nsILoadGroup* nsPluginStreamListenerPeer::GetLoadGroup() { nsILoadGroup* loadGroup = nsnull; nsIDocument* doc; nsresult rv = mOwner->GetDocument(&doc); if (NS_SUCCEEDED(rv)) { doc->GetDocumentLoadGroup(&loadGroup); NS_RELEASE(doc); } return loadGroup; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginStreamListenerPeer::VisitHeader(const nsACString &header, const nsACString &value) { nsCOMPtr listener = do_QueryInterface(mPStreamListener); if (!listener) return NS_ERROR_FAILURE; return listener->NewResponseHeader(PromiseFlatCString(header).get(), PromiseFlatCString(value).get()); } ///////////////////////////////////////////////////////////////////////// nsPluginHostImpl::nsPluginHostImpl() { mPluginsLoaded = PR_FALSE; mDontShowBadPluginMessage = PR_FALSE; mIsDestroyed = PR_FALSE; mOverrideInternalTypes = PR_FALSE; mAllowAlienStarHandler = PR_FALSE; mUnusedLibraries.Clear(); gActivePluginList = &mActivePluginList; // check to see if pref is set at startup to let plugins take over in // full page mode for certain image mime types that we handle internally nsCOMPtr prefs(do_GetService(kPrefServiceCID)); if (prefs) { prefs->GetBoolPref("plugin.override_internal_types", &mOverrideInternalTypes); prefs->GetBoolPref("plugin.allow_alien_star_handler", &mAllowAlienStarHandler); } nsCOMPtr obsService = do_GetService("@mozilla.org/observer-service;1"); if (obsService) { obsService->AddObserver(this, "quit-application", PR_FALSE); obsService->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, PR_FALSE); } #ifdef PLUGIN_LOGGING nsPluginLogging::gNPNLog = PR_NewLogModule(NPN_LOG_NAME); nsPluginLogging::gNPPLog = PR_NewLogModule(NPP_LOG_NAME); nsPluginLogging::gPluginLog = PR_NewLogModule(PLUGIN_LOG_NAME); PR_LOG(nsPluginLogging::gNPNLog, PLUGIN_LOG_ALWAYS,("NPN Logging Active!\n")); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_ALWAYS,("General Plugin Logging Active! (nsPluginHostImpl::ctor)\n")); PR_LOG(nsPluginLogging::gNPPLog, PLUGIN_LOG_ALWAYS,("NPP Logging Active!\n")); PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("nsPluginHostImpl::ctor\n")); PR_LogFlush(); #endif mCachedPlugins = nsnull; } //////////////////////////////////////////////////////////////////////// nsPluginHostImpl::~nsPluginHostImpl() { PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("nsPluginHostImpl::dtor\n")); #ifdef NS_DEBUG printf("nsPluginHostImpl dtor\n"); #endif Destroy(); } //////////////////////////////////////////////////////////////////////// NS_IMPL_ISUPPORTS7(nsPluginHostImpl, nsIPluginManager, nsIPluginManager2, nsIPluginHost, nsIFileUtilities, nsICookieStorage, nsIObserver, nsPIPluginHost); //////////////////////////////////////////////////////////////////////// NS_METHOD nsPluginHostImpl::Create(nsISupports* aOuter, REFNSIID aIID, void** aResult) { NS_PRECONDITION(aOuter == nsnull, "no aggregation"); if (aOuter) return NS_ERROR_NO_AGGREGATION; nsPluginHostImpl* host = new nsPluginHostImpl(); if (! host) return NS_ERROR_OUT_OF_MEMORY; nsresult rv; NS_ADDREF(host); rv = host->QueryInterface(aIID, aResult); NS_RELEASE(host); return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::GetValue(nsPluginManagerVariable aVariable, void *aValue) { nsresult rv = NS_OK; NS_ENSURE_ARG_POINTER(aValue); #if defined(XP_UNIX) && !defined(XP_MACOSX) && defined(MOZ_X11) if (nsPluginManagerVariable_XDisplay == aVariable) { Display** value = NS_REINTERPRET_CAST(Display**, aValue); #if defined(MOZ_WIDGET_GTK) || defined (MOZ_WIDGET_GTK2) *value = GDK_DISPLAY(); #elif defined(MOZ_WIDGET_XLIB) *value = xxlib_rgb_get_display(xxlib_find_handle(XXLIBRGB_DEFAULT_HANDLE)); #endif if (!(*value)) { return NS_ERROR_FAILURE; } } #endif return rv; } //////////////////////////////////////////////////////////////////////// PRBool nsPluginHostImpl::IsRunningPlugin(nsPluginTag * plugin) { if(!plugin) return PR_FALSE; // we can check for mLibrary to be non-zero and then querry nsIPluginInstancePeer // in nsActivePluginList to see if plugin with matching mime type is not stopped if(!plugin->mLibrary) return PR_FALSE; for(int i = 0; i < plugin->mVariants; i++) { nsActivePlugin * p = mActivePluginList.find(plugin->mMimeTypeArray[i]); if(p && !p->mStopped) return PR_TRUE; } return PR_FALSE; } //////////////////////////////////////////////////////////////////////// nsresult nsPluginHostImpl::ReloadPlugins(PRBool reloadPages) { PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::ReloadPlugins Begin reloadPages=%d, active_instance_count=%d\n", reloadPages, mActivePluginList.mCount)); nsresult rv = NS_OK; // this will create the initial plugin list out of cache // if it was not created yet if (!mPluginsLoaded) return LoadPlugins(); // we are re-scanning plugins. New plugins may have been added, also some // plugins may have been removed, so we should probably shut everything down // but don't touch running (active and not stopped) plugins // check if plugins changed, no need to do anything else // if no changes to plugins have been made // PR_FALSE instructs not to touch the plugin list, just to // look for possible changes PRBool pluginschanged = PR_TRUE; FindPlugins(PR_FALSE, &pluginschanged); // if no changed detected, return an appropriate error code if (!pluginschanged) return NS_ERROR_PLUGINS_PLUGINSNOTCHANGED; nsCOMPtr instsToReload; if(reloadPages) { NS_NewISupportsArray(getter_AddRefs(instsToReload)); // Then stop any running plugin instances but hold on to the documents in the array // We are going to need to restart the instances in these documents later mActivePluginList.stopRunning(instsToReload); } // clean active plugin list mActivePluginList.removeAllStopped(); // shutdown plugins and kill the list if there are no running plugins nsPluginTag * prev = nsnull; nsPluginTag * next = nsnull; for(nsPluginTag * p = mPlugins; p != nsnull;) { next = p->mNext; // XXX only remove our plugin from the list if it's not running and not // an XPCOM plugin. XPCOM plugins do not get a call to nsIPlugin::Shutdown // if plugins are reloaded. This also fixes a crash on UNIX where the call // to shutdown would break the ProxyJNI connection to the JRE after a reload. // see bug 86591 if(!IsRunningPlugin(p) && (!p->mEntryPoint || (p->mFlags & NS_PLUGIN_FLAG_OLDSCHOOL))) { if(p == mPlugins) mPlugins = next; else prev->mNext = next; delete p; p = next; continue; } prev = p; p = next; } // set flags mPluginsLoaded = PR_FALSE; // load them again rv = LoadPlugins(); // If we have shut down any plugin instances, we've now got to restart them. // Post an event to do the rest as we are going to be destroying the frame tree and we also want // any posted unload events to finish PRUint32 c; if (reloadPages && instsToReload && NS_SUCCEEDED(instsToReload->Count(&c)) && c > 0) { nsCOMPtr eventService(do_GetService(kEventQueueServiceCID)); if (eventService) { nsCOMPtr eventQueue; eventService->GetThreadEventQueue(PR_GetCurrentThread(), getter_AddRefs(eventQueue)); if (eventQueue) { nsPluginDocReframeEvent * ev = new nsPluginDocReframeEvent(instsToReload); if (ev) { PL_InitEvent(ev, nsnull, HandlePluginDocReframePLEvent, DestroyPluginDocReframePLEvent); eventQueue->PostEvent(ev); } } } } PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::ReloadPlugins End active_instance_count=%d\n", mActivePluginList.mCount)); return rv; } #define NS_RETURN_UASTRING_SIZE 128 //////////////////////////////////////////////////////////////////////// nsresult nsPluginHostImpl::UserAgent(const char **retstring) { static char resultString[NS_RETURN_UASTRING_SIZE]; nsresult res; nsCOMPtr http = do_GetService(kHttpHandlerCID, &res); if (NS_FAILED(res)) return res; nsCAutoString uaString; res = http->GetUserAgent(uaString); if (NS_SUCCEEDED(res)) { if(NS_RETURN_UASTRING_SIZE > uaString.Length()) { PL_strcpy(resultString, uaString.get()); *retstring = resultString; } else { *retstring = nsnull; res = NS_ERROR_OUT_OF_MEMORY; } } else *retstring = nsnull; PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::UserAgent return=%s\n", *retstring)); return res; } nsresult nsPluginHostImpl:: GetPrompt(nsIPluginInstanceOwner *aOwner, nsIPrompt **aPrompt) { nsresult rv; nsCOMPtr prompt; nsCOMPtr wwatch = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv); if (wwatch) { nsCOMPtr domWindow; if (aOwner) { nsCOMPtr document; aOwner->GetDocument(getter_AddRefs(document)); if (document) { nsCOMPtr globalScript; document->GetScriptGlobalObject(getter_AddRefs(globalScript)); if (globalScript) domWindow = do_QueryInterface(globalScript); } } if (!domWindow) { wwatch->GetWindowByName(NS_LITERAL_STRING("_content").get(), nsnull, getter_AddRefs(domWindow)); } rv = wwatch->GetNewPrompter(domWindow, getter_AddRefs(prompt)); } NS_IF_ADDREF(*aPrompt = prompt); return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::GetURL(nsISupports* pluginInst, const char* url, const char* target, nsIPluginStreamListener* streamListener, const char* altHost, const char* referrer, PRBool forceJSEnabled) { return GetURLWithHeaders(pluginInst, url, target, streamListener, altHost, referrer, forceJSEnabled, nsnull, nsnull); } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::GetURLWithHeaders(nsISupports* pluginInst, const char* url, const char* target, nsIPluginStreamListener* streamListener, const char* altHost, const char* referrer, PRBool forceJSEnabled, PRUint32 getHeadersLength, const char* getHeaders) { nsAutoString string; string.AssignWithConversion(url); nsresult rv; // we can only send a stream back to the plugin (as specified by a // null target) if we also have a nsIPluginStreamListener to talk to if(target == nsnull && streamListener == nsnull) return NS_ERROR_ILLEGAL_VALUE; nsCOMPtr instance = do_QueryInterface(pluginInst, &rv); #ifdef OJI if (NS_SUCCEEDED(rv)) { // if this is a Java plugin calling, we need to do a security check nsCOMPtr javaInstance(do_QueryInterface(instance)); if (javaInstance) rv = DoURLLoadSecurityCheck(instance, url); } #endif if (NS_SUCCEEDED(rv)) { if (nsnull != target) { nsCOMPtr peer; rv = instance->GetPeer(getter_AddRefs(peer)); if (NS_SUCCEEDED(rv) && peer) { nsCOMPtr privpeer(do_QueryInterface(peer)); nsCOMPtr owner; rv = privpeer->GetOwner(getter_AddRefs(owner)); if (owner) { if ((0 == PL_strcmp(target, "newwindow")) || (0 == PL_strcmp(target, "_new"))) target = "_blank"; else if (0 == PL_strcmp(target, "_current")) target = "_self"; rv = owner->GetURL(url, target, nsnull, 0, (void *) getHeaders, getHeadersLength); } } } if (nsnull != streamListener) rv = NewPluginURLStream(string, instance, streamListener, nsnull, PR_FALSE, nsnull, getHeaders, getHeadersLength); } return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::PostURL(nsISupports* pluginInst, const char* url, PRUint32 postDataLen, const char* postData, PRBool isFile, const char* target, nsIPluginStreamListener* streamListener, const char* altHost, const char* referrer, PRBool forceJSEnabled, PRUint32 postHeadersLength, const char* postHeaders) { nsAutoString string; string.AssignWithConversion(url); nsresult rv; // we can only send a stream back to the plugin (as specified // by a null target) if we also have a nsIPluginStreamListener // to talk to also if(target == nsnull && streamListener == nsnull) return NS_ERROR_ILLEGAL_VALUE; nsCOMPtr instance = do_QueryInterface(pluginInst, &rv); #ifdef OJI if (NS_SUCCEEDED(rv)) { // if this is a Java plugin calling, we need to do a security check nsCOMPtr javaInstance(do_QueryInterface(instance)); if (javaInstance) rv = DoURLLoadSecurityCheck(instance, url); } #endif if (NS_SUCCEEDED(rv)) { char *dataToPost; if (isFile) { rv = CreateTmpFileToPost(postData, &dataToPost); if (NS_FAILED(rv) || !dataToPost) return rv; } else { PRUint32 newDataToPostLen; ParsePostBufferToFixHeaders(postData, postDataLen, &dataToPost, &newDataToPostLen); if (!dataToPost) return NS_ERROR_UNEXPECTED; // we use nsIStringInputStream::adoptDataa() // in NS_NewPluginPostDataStream to set the stream // all new data alloced in ParsePostBufferToFixHeaders() // well be nsMemory::Free()d on destroy the stream postDataLen = newDataToPostLen; } if (nsnull != target) { nsCOMPtr peer; rv = instance->GetPeer(getter_AddRefs(peer)); if (NS_SUCCEEDED(rv) && peer) { nsCOMPtr privpeer(do_QueryInterface(peer)); nsCOMPtr owner; rv = privpeer->GetOwner(getter_AddRefs(owner)); if (owner) { if (!target) { target = "_self"; } else { if ((0 == PL_strcmp(target, "newwindow")) || (0 == PL_strcmp(target, "_new"))) target = "_blank"; else if (0 == PL_strcmp(target, "_current")) target = "_self"; } rv = owner->GetURL(url, target, (void*)dataToPost, postDataLen, (void*) postHeaders, postHeadersLength, isFile); } } } // if we don't have a target, just create a stream. This does // NS_OpenURI()! if (streamListener != nsnull) rv = NewPluginURLStream(string, instance, streamListener, (const char*)dataToPost, isFile, postDataLen, postHeaders, postHeadersLength); if (isFile) { nsCRT::free(dataToPost); } } return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::RegisterPlugin(REFNSIID aCID, const char* aPluginName, const char* aDescription, const char** aMimeTypes, const char** aMimeDescriptions, const char** aFileExtensions, PRInt32 aCount) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::UnregisterPlugin(REFNSIID aCID) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::BeginWaitCursor(void) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::EndWaitCursor(void) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::SupportsURLProtocol(const char* protocol, PRBool *result) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::NotifyStatusChange(nsIPlugin* plugin, nsresult errorStatus) { return NS_ERROR_NOT_IMPLEMENTED; } /*//////////////////////////////////////////////////////////////////////// * This method queries the prefs for proxy information. * It has been tested and is known to work in the following three cases * when no proxy host or port is specified * when only the proxy host is specified * when only the proxy port is specified * This method conforms to the return code specified in * http://developer.netscape.com/docs/manuals/proxy/adminnt/autoconf.htm#1020923 * with the exception that multiple values are not implemented. */ NS_IMETHODIMP nsPluginHostImpl::FindProxyForURL(const char* url, char* *result) { if (!url || !result) { return NS_ERROR_INVALID_ARG; } nsresult res; nsCOMPtr uriIn; nsCOMPtr proxyService; nsCOMPtr ioService; PRBool isProxyEnabled; proxyService = do_GetService(kProtocolProxyServiceCID, &res); if (NS_FAILED(res) || !proxyService) { return res; } if (NS_FAILED(proxyService->GetProxyEnabled(&isProxyEnabled))) { return res; } if (!isProxyEnabled) { *result = PL_strdup("DIRECT"); if (nsnull == *result) { res = NS_ERROR_OUT_OF_MEMORY; } return res; } ioService = do_GetService(kIOServiceCID, &res); if (NS_FAILED(res) || !ioService) { return res; } // make an nsURI from the argument url res = ioService->NewURI(nsDependentCString(url), nsnull, nsnull, getter_AddRefs(uriIn)); if (NS_FAILED(res)) { return res; } nsCOMPtr pi; res = proxyService->ExamineForProxy(uriIn, getter_AddRefs(pi)); if (NS_FAILED(res)) { return res; } if (!pi || !pi->Host() || pi->Port() <= 0) { *result = PL_strdup("DIRECT"); } else if (!nsCRT::strcasecmp(pi->Type(), "http")) { *result = PR_smprintf("PROXY %s:%d", pi->Host(), pi->Port()); } else if (!nsCRT::strcasecmp(pi->Type(), "socks4")) { *result = PR_smprintf("SOCKS %s:%d", pi->Host(), pi->Port()); } else if (!nsCRT::strcasecmp(pi->Type(), "socks")) { // XXX - this is socks5, but there is no API for us to tell the // plugin that fact. SOCKS for now, in case the proxy server // speaks SOCKS4 as well. See bug 78176 // For a long time this was returning an http proxy type, so // very little is probably broken by this *result = PR_smprintf("SOCKS %s:%d", pi->Host(), pi->Port()); } else { NS_ASSERTION(PR_FALSE, "Unknown proxy type!"); *result = PL_strdup("DIRECT"); } if (nsnull == *result) { res = NS_ERROR_OUT_OF_MEMORY; } return res; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::RegisterWindow(nsIEventHandler* handler, nsPluginPlatformWindowRef window) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::UnregisterWindow(nsIEventHandler* handler, nsPluginPlatformWindowRef window) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::AllocateMenuID(nsIEventHandler* handler, PRBool isSubmenu, PRInt16 *result) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::DeallocateMenuID(nsIEventHandler* handler, PRInt16 menuID) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::HasAllocatedMenuID(nsIEventHandler* handler, PRInt16 menuID, PRBool *result) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::ProcessNextEvent(PRBool *bEventHandled) { return NS_ERROR_NOT_IMPLEMENTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::CreateInstance(nsISupports *aOuter, REFNSIID aIID, void **aResult) { NS_NOTREACHED("how'd I get here?"); return NS_ERROR_UNEXPECTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::LockFactory(PRBool aLock) { NS_NOTREACHED("how'd I get here?"); return NS_ERROR_UNEXPECTED; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::Init(void) { return NS_OK; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::Destroy(void) { PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::Destroy Called\n")); if (mIsDestroyed) return NS_OK; mIsDestroyed = PR_TRUE; // we should call nsIPluginInstance::Stop and nsIPluginInstance::SetWindow // for those plugins who want it mActivePluginList.stopRunning(nsnull); // at this point nsIPlugin::Shutdown calls will be performed if needed mActivePluginList.shut(); if (nsnull != mPluginPath) { PR_Free(mPluginPath); mPluginPath = nsnull; } while (nsnull != mPlugins) { nsPluginTag *temp = mPlugins->mNext; // while walking through the list of the plugins see if we still have anything // to shutdown some plugins may have never created an instance but still expect // the shutdown call see bugzilla bug 73071 // with current logic, no need to do anything special as nsIPlugin::Shutdown // will be performed in the destructor delete mPlugins; mPlugins = temp; } // Delete any remaining cached plugins list while (mCachedPlugins) { nsPluginTag *next = mCachedPlugins->mNext; delete mCachedPlugins; mCachedPlugins = next; } // Lets remove any of the temporary files that we created. nsCOMPtr pluginTmp; nsresult rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(pluginTmp)); if (NS_FAILED(rv)) return rv; rv = pluginTmp->AppendNative(kPluginTmpDirName); if (NS_FAILED(rv)) return rv; pluginTmp->Remove(PR_TRUE); if (mPrivateDirServiceProvider) { nsCOMPtr dirService(do_GetService(kDirectoryServiceContractID, &rv)); if (NS_SUCCEEDED(rv)) dirService->UnregisterProvider(mPrivateDirServiceProvider); mPrivateDirServiceProvider = nsnull; } return NS_OK; } void nsPluginHostImpl::UnloadUnusedLibraries() { // unload any remaining plugin libraries from memory for (PRInt32 i = 0; i < mUnusedLibraries.Count(); i++) { PRLibrary * library = (PRLibrary *)mUnusedLibraries[i]; if (library) PostPluginUnloadEvent(library); } mUnusedLibraries.Clear(); } //////////////////////////////////////////////////////////////////////// /* Called by nsPluginInstanceOwner (nsObjectFrame.cpp - embeded case) */ NS_IMETHODIMP nsPluginHostImpl::InstantiateEmbededPlugin(const char *aMimeType, nsIURI* aURL, nsIPluginInstanceOwner *aOwner) { #ifdef PLUGIN_LOGGING nsCAutoString urlSpec; if(aURL != nsnull) (void)aURL->GetAsciiSpec(urlSpec); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::InstatiateEmbededPlugin Begin mime=%s, owner=%p, url=%s\n", aMimeType, aOwner, urlSpec.get())); PR_LogFlush(); #endif nsresult rv; nsIPluginInstance *instance = nsnull; nsCOMPtr pti2; nsPluginTagType tagType; PRBool isJavaEnabled = PR_TRUE; PRBool isJava = PR_FALSE; rv = aOwner->QueryInterface(kIPluginTagInfo2IID, getter_AddRefs(pti2)); if(rv != NS_OK) { return rv; } rv = pti2->GetTagType(&tagType); if((rv != NS_OK) || !((tagType == nsPluginTagType_Embed) || (tagType == nsPluginTagType_Applet) || (tagType == nsPluginTagType_Object))) { return rv; } if (tagType == nsPluginTagType_Applet || PL_strncasecmp(aMimeType, "application/x-java-vm", 21) == 0 || PL_strncasecmp(aMimeType, "application/x-java-applet", 25) == 0) { #ifdef OJI isJava = PR_TRUE; nsCOMPtr prefs(do_GetService(kPrefServiceCID)); // see if java is enabled if (prefs) { rv = prefs->GetBoolPref("security.enable_java", &isJavaEnabled); if (NS_SUCCEEDED(rv)) { // if not, don't show this plugin if (!isJavaEnabled) { return NS_ERROR_FAILURE; } } else { // if we were unable to get the pref, assume java is enabled // and rely on the "find the plugin or not" logic. // make sure the value wasn't modified in GetBoolPref isJavaEnabled = PR_TRUE; } } #else isJavaEnabled = PR_FALSE; return NS_ERROR_FAILURE; #endif } // Determine if the scheme of this URL is one we can handle internaly because we should // only open the initial stream if it's one that we can handle internally. Otherwise // |NS_OpenURI| in |InstantiateEmbededPlugin| may open up a OS protocal registered helper app PRBool bCanHandleInternally = PR_FALSE; nsCAutoString scheme; if (aURL && NS_SUCCEEDED(aURL->GetScheme(scheme))) { nsCAutoString contractID(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX); contractID += scheme; ToLowerCase(contractID); nsCOMPtr handler = do_GetService(contractID.get()); if (handler) bCanHandleInternally = PR_TRUE; } if(FindStoppedPluginForURL(aURL, aOwner) == NS_OK) { PLUGIN_LOG(PLUGIN_LOG_NOISY, ("nsPluginHostImpl::InstatiateEmbededPlugin FoundStopped mime=%s\n", aMimeType)); aOwner->GetInstance(instance); if((!aMimeType || !isJava) && bCanHandleInternally) rv = NewEmbededPluginStream(aURL, aOwner, instance); // notify Java DOM component nsresult res; nsCOMPtr javaDOM = do_GetService("@mozilla.org/blackwood/java-dom;1", &res); if (NS_SUCCEEDED(res) && javaDOM) javaDOM->SetInstance(instance); NS_IF_RELEASE(instance); return NS_OK; } // if we don't have a MIME type at this point, we still have one more chance by // opening the stream and seeing if the server hands one back if (!aMimeType) return bCanHandleInternally ? NewEmbededPluginStream(aURL, aOwner, nsnull) : NS_ERROR_FAILURE; rv = SetUpPluginInstance(aMimeType, aURL, aOwner); if(rv == NS_OK) rv = aOwner->GetInstance(instance); else { /* * If we are here, it's time to either show the default plugin * or return failure so layout will replace us. * * Currently, the default plugin is shown for all EMBED and APPLET * tags and also any OBJECT tag that has a PLUGINURL PARAM tag name. */ PRBool bHasPluginURL = PR_FALSE; nsCOMPtr pti2(do_QueryInterface(aOwner)); if(pti2) { const char *value; bHasPluginURL = NS_SUCCEEDED(pti2->GetParameter("PLUGINURL", &value)); } // if we didn't find a pluginURL param on the object tag, // there's nothing more to do here if(nsPluginTagType_Object == tagType && !bHasPluginURL) return rv; if(NS_FAILED(SetUpDefaultPluginInstance(aMimeType, aURL, aOwner))) return NS_ERROR_FAILURE; if(NS_FAILED(aOwner->GetInstance(instance))) return NS_ERROR_FAILURE; rv = NS_OK; } // if we have a failure error, it means we found a plugin for the mimetype, // but we had a problem with the entry point if(rv == NS_ERROR_FAILURE) return rv; // if we are here then we have loaded a plugin for this mimetype // and it could be the Default plugin nsPluginWindow *window = nsnull; //we got a plugin built, now stream aOwner->GetWindow(window); if (nsnull != instance) { instance->Start(); aOwner->CreateWidget(); // If we've got a native window, the let the plugin know about it. if (window->window) instance->SetWindow(window); // create an initial stream with data // don't make the stream if it's a java applet or we don't have SRC or DATA attribute PRBool havedata = PR_FALSE; nsCOMPtr pti(do_QueryInterface(aOwner, &rv)); if(pti) { const char *value; havedata = NS_SUCCEEDED(pti->GetAttribute("SRC", &value)); // no need to check for "data" as it would have been converted to "src" } if(havedata && !isJava && bCanHandleInternally) rv = NewEmbededPluginStream(aURL, aOwner, instance); // notify Java DOM component nsresult res; nsCOMPtr javaDOM = do_GetService("@mozilla.org/blackwood/java-dom;1", &res); if (NS_SUCCEEDED(res) && javaDOM) javaDOM->SetInstance(instance); NS_RELEASE(instance); } #ifdef PLUGIN_LOGGING nsCAutoString urlSpec2; if(aURL != nsnull) (void)aURL->GetAsciiSpec(urlSpec2); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::InstatiateEmbededPlugin Finished mime=%s, rv=%d, owner=%p, url=%s\n", aMimeType, rv, aOwner, urlSpec2.get())); PR_LogFlush(); #endif return rv; } //////////////////////////////////////////////////////////////////////// /* Called by nsPluginViewer.cpp (full-page case) */ NS_IMETHODIMP nsPluginHostImpl::InstantiateFullPagePlugin(const char *aMimeType, nsString& aURLSpec, nsIStreamListener *&aStreamListener, nsIPluginInstanceOwner *aOwner) { PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::InstatiateFullPagePlugin Begin mime=%s, owner=%p, url=%s\n", aMimeType, aOwner, NS_LossyConvertUCS2toASCII(aURLSpec).get())); nsresult rv; nsIURI *url; //create a URL so that the instantiator can do file ext. //based plugin lookups... rv = NS_NewURI(&url, aURLSpec); if (rv != NS_OK) url = nsnull; if(FindStoppedPluginForURL(url, aOwner) == NS_OK) { PLUGIN_LOG(PLUGIN_LOG_NOISY, ("nsPluginHostImpl::InstatiateFullPagePlugin FoundStopped mime=%s\n",aMimeType)); nsIPluginInstance* instance; aOwner->GetInstance(instance); if(!aMimeType || PL_strncasecmp(aMimeType, "application/x-java-vm", 21)) rv = NewFullPagePluginStream(aStreamListener, instance); NS_IF_RELEASE(instance); return NS_OK; } rv = SetUpPluginInstance(aMimeType, url, aOwner); NS_IF_RELEASE(url); if (NS_OK == rv) { nsCOMPtr instance; nsPluginWindow * win = nsnull; aOwner->GetInstance(*getter_AddRefs(instance)); aOwner->GetWindow(win); if (win && instance) { instance->Start(); aOwner->CreateWidget(); // If we've got a native window, the let the plugin know about it. nsPluginNativeWindow * window = (nsPluginNativeWindow *)win; if (window->window) window->CallSetWindow(instance); rv = NewFullPagePluginStream(aStreamListener, instance); // If we've got a native window, the let the plugin know about it. if (window->window) window->CallSetWindow(instance); } } PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::InstatiateFullPagePlugin End mime=%s, rv=%d, owner=%p, url=%s\n", aMimeType, rv, aOwner, NS_LossyConvertUCS2toASCII(aURLSpec).get())); return rv; } //////////////////////////////////////////////////////////////////////// nsresult nsPluginHostImpl::FindStoppedPluginForURL(nsIURI* aURL, nsIPluginInstanceOwner *aOwner) { nsCAutoString url; if(!aURL) return NS_ERROR_FAILURE; (void)aURL->GetAsciiSpec(url); nsActivePlugin * plugin = mActivePluginList.findStopped(url.get()); if((plugin != nsnull) && (plugin->mStopped)) { nsIPluginInstance* instance = plugin->mInstance; nsPluginWindow *window = nsnull; aOwner->GetWindow(window); aOwner->SetInstance(instance); // we have to reset the owner and instance in the plugin instance peer //instance->GetPeer(&peer); ((nsPluginInstancePeerImpl*)plugin->mPeer)->SetOwner(aOwner); instance->Start(); aOwner->CreateWidget(); // If we've got a native window, the let the plugin know about it. if (window->window) instance->SetWindow(window); plugin->setStopped(PR_FALSE); return NS_OK; } return NS_ERROR_FAILURE; } //////////////////////////////////////////////////////////////////////// nsresult nsPluginHostImpl::AddInstanceToActiveList(nsCOMPtr aPlugin, nsIPluginInstance* aInstance, nsIURI* aURL, PRBool aDefaultPlugin, nsIPluginInstancePeer* peer) { NS_ENSURE_ARG_POINTER(aURL); nsCAutoString url; (void)aURL->GetSpec(url); // let's find the corresponding plugin tag by matching nsIPlugin pointer // it's legal for XPCOM plugins not to have nsIPlugin implemented but // this is OK, we don't need the plugin tag for XPCOM plugins. It is going // to be used later when we decide whether or not we should delay unloading // NPAPI dll from memory, and XPCOM dlls will stay in memory anyway. nsPluginTag * pluginTag = nsnull; if(aPlugin) { for(pluginTag = mPlugins; pluginTag != nsnull; pluginTag = pluginTag->mNext) { if(pluginTag->mEntryPoint == aPlugin) break; } NS_ASSERTION(pluginTag, "Plugin tag not found"); } nsActivePlugin * plugin = new nsActivePlugin(pluginTag, aInstance, url.get(), aDefaultPlugin, peer); if(!plugin) return NS_ERROR_OUT_OF_MEMORY; mActivePluginList.add(plugin); return NS_OK; } //////////////////////////////////////////////////////////////////////// void nsPluginTag::RegisterWithCategoryManager(PRBool aOverrideInternalTypes, nsPluginTag::nsRegisterType aType) { if (!mMimeTypeArray) return; PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginTag::RegisterWithCategoryManager plugin=%s, removing = %s\n", mFileName, aType == ePluginUnregister ? "yes" : "no")); nsCOMPtr catMan = do_GetService(NS_CATEGORYMANAGER_CONTRACTID); if (!catMan) return; // XXX temporary for testing transition static PRBool sLoadViaPlugin = PR_FALSE; static PRBool sLoadViaPluginInitialized = PR_FALSE; if (!sLoadViaPluginInitialized) { nsCOMPtr prefService = do_GetService(NS_PREFSERVICE_CONTRACTID); if (prefService) { sLoadViaPluginInitialized = PR_TRUE; nsCOMPtr prefBranch; prefService->GetBranch(nsnull, getter_AddRefs(prefBranch)); if (prefBranch) prefBranch->GetBoolPref("plugin.disable_load_full_page_via_content", &sLoadViaPlugin); } } const char *contractId = sLoadViaPlugin ? "@mozilla.org/plugin/doc-loader/factory;1" : "@mozilla.org/content/plugin/document-loader-factory;1"; for(int i = 0; i < mVariants; i++) { if (aType == ePluginUnregister) { nsXPIDLCString value; if (NS_SUCCEEDED(catMan->GetCategoryEntry("Gecko-Content-Viewers", mMimeTypeArray[i], getter_Copies(value)))) { // Only delete the entry if a plugin registered for it if (strcmp(value, contractId) == 0) { catMan->DeleteCategoryEntry("Gecko-Content-Viewers", mMimeTypeArray[i], PR_TRUE); } } } else { catMan->AddCategoryEntry("Gecko-Content-Viewers", mMimeTypeArray[i], contractId, PR_FALSE, /* persist: broken by bug 193031 */ aOverrideInternalTypes, /* replace if we're told to */ nsnull); } PLUGIN_LOG(PLUGIN_LOG_NOISY, ("nsPluginTag::RegisterWithCategoryManager mime=%s, plugin=%s\n", mMimeTypeArray[i], mFileName)); } } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::SetUpPluginInstance(const char *aMimeType, nsIURI *aURL, nsIPluginInstanceOwner *aOwner) { nsresult rv = NS_OK; rv = TrySetUpPluginInstance(aMimeType, aURL, aOwner); // if we fail, refresh plugin list just in case the plugin has been // just added and try to instantiate plugin instance again, see bug 143178 if (NS_FAILED(rv)) { // we should also make sure not to do this more than once per page // so if there are a few embed tags with unknown plugins, // we don't get unnecessary overhead // let's cache document to decide whether this is the same page or not nsCOMPtr document; if (aOwner) aOwner->GetDocument(getter_AddRefs(document)); nsCOMPtr currentdocument = do_QueryReferent(mCurrentDocument); if (document == currentdocument) return rv; mCurrentDocument = getter_AddRefs(NS_GetWeakReference(document)); // ReloadPlugins will do the job smartly: nothing will be done // if no changes detected, in such a case just return if (NS_ERROR_PLUGINS_PLUGINSNOTCHANGED == ReloadPlugins(PR_FALSE)) return rv; // other failure return codes may be not fatal, so we can still try rv = TrySetUpPluginInstance(aMimeType, aURL, aOwner); } return rv; } NS_IMETHODIMP nsPluginHostImpl::TrySetUpPluginInstance(const char *aMimeType, nsIURI *aURL, nsIPluginInstanceOwner *aOwner) { #ifdef PLUGIN_LOGGING nsCAutoString urlSpec; if(aURL != nsnull) (void)aURL->GetSpec(urlSpec); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::TrySetupPluginInstance Begin mime=%s, owner=%p, url=%s\n", aMimeType, aOwner, urlSpec.get())); PR_LogFlush(); #endif nsresult result = NS_ERROR_FAILURE; nsIPluginInstance* instance = NULL; nsCOMPtr plugin; const char* mimetype; if(!aURL) return NS_ERROR_FAILURE; // if don't have a mimetype or no plugin can handle this mimetype // check by file extension if(!aMimeType || NS_FAILED(IsPluginEnabledForType(aMimeType))) { nsCOMPtr url = do_QueryInterface(aURL); if (!url) return NS_ERROR_FAILURE; nsCAutoString fileExtension; url->GetFileExtension(fileExtension); // if we don't have an extension or no plugin for this extension, // return failure as there is nothing more we can do if (fileExtension.IsEmpty() || NS_FAILED(IsPluginEnabledForExtension(fileExtension.get(), mimetype))) return NS_ERROR_FAILURE; } else mimetype = aMimeType; PRBool isJavaPlugin = PR_FALSE; if (aMimeType && (PL_strncasecmp(aMimeType, "application/x-java-vm", 21) == 0 || PL_strncasecmp(aMimeType, "application/x-java-applet", 25) == 0)) { isJavaPlugin = PR_TRUE; } #if defined(OJI) && ((defined(XP_UNIX) && !defined(XP_MACOSX)) || defined(XP_OS2)) // This is a work-around on Unix for a LiveConnect problem (bug 83698). // The problem: // The proxy JNI needs to be created by the browser. If it is created by // someone else (e.g., a plugin) on a different thread, the proxy JNI will // not work, and break LiveConnect. // Currently, on Unix, when instantiating a Java plugin instance (by calling // InstantiateEmbededPlugin() next), Java plugin will create the proxy JNI // if it is not created yet. If that happens, LiveConnect will be broken. // Before lazy start JVM was implemented, since at this point the browser // already created the proxy JNI buring startup, the problem did not happen. // But after the lazy start was implemented, at this point the proxy JNI was // not created yet, so the Java plugin created the proxy JNI, and broke // liveConnect. // On Windows and Mac, Java plugin does not create the proxy JNI, but lets // the browser to create it. Hence this is a Unix-only problem. // // The work-around: // The root cause of the problem is in Java plugin's Unix implementation, // which should not create the proxy JNI. // As a work-around, here we make sure the proxy JNI has been created by the // browser, before plugin gets a chance. // if (isJavaPlugin) { // If Java is installed, get proxy JNI. nsCOMPtr jvmManager = do_GetService(nsIJVMManager::GetCID(), &result); if (NS_SUCCEEDED(result)) { JNIEnv* proxyEnv; // Get proxy JNI, if not created yet, create it. jvmManager->GetProxyJNI(&proxyEnv); } } #endif nsCAutoString contractID( NS_LITERAL_CSTRING(NS_INLINE_PLUGIN_CONTRACTID_PREFIX) + nsDependentCString(mimetype)); GetPluginFactory(mimetype, getter_AddRefs(plugin)); result = CallCreateInstance(contractID.get(), &instance); // couldn't create an XPCOM plugin, try to create wrapper for a legacy plugin if (NS_FAILED(result)) { if(plugin) { #ifdef XP_WIN static BOOL firstJavaPlugin = FALSE; BOOL restoreOrigDir = FALSE; char origDir[_MAX_PATH]; if (isJavaPlugin && !firstJavaPlugin) { DWORD dw = ::GetCurrentDirectory(_MAX_PATH, origDir); NS_ASSERTION(dw <= _MAX_PATH, "Falied to obtain the current directory, which may leads to incorrect class laoding"); nsCOMPtr binDirectory; result = NS_GetSpecialDirectory(NS_XPCOM_CURRENT_PROCESS_DIR, getter_AddRefs(binDirectory)); if (NS_SUCCEEDED(result)) { nsCAutoString path; binDirectory->GetNativePath(path); restoreOrigDir = ::SetCurrentDirectory(path.get()); } } #endif result = plugin->CreateInstance(NULL, kIPluginInstanceIID, (void **)&instance); #ifdef XP_WIN if (!firstJavaPlugin && restoreOrigDir) { BOOL bCheck = :: SetCurrentDirectory(origDir); NS_ASSERTION(bCheck, " Error restoring driectoy"); firstJavaPlugin = TRUE; } #endif } if (NS_FAILED(result)) { nsCOMPtr bwPlugin = do_GetService("@mozilla.org/blackwood/pluglet-engine;1", &result); if (NS_SUCCEEDED(result)) { result = bwPlugin->CreatePluginInstance(NULL, kIPluginInstanceIID, aMimeType, (void **)&instance); } } } // neither an XPCOM or legacy plugin could be instantiated, // so return the failure if (NS_FAILED(result)) return result; // it is adreffed here aOwner->SetInstance(instance); nsPluginInstancePeerImpl *peer = new nsPluginInstancePeerImpl(); if(peer == nsnull) return NS_ERROR_OUT_OF_MEMORY; // set up the peer for the instance peer->Initialize(aOwner, mimetype); nsCOMPtr pIpeer; peer->QueryInterface(kIPluginInstancePeerIID, getter_AddRefs(pIpeer)); if (!pIpeer) { delete peer; return NS_ERROR_NO_INTERFACE; } result = instance->Initialize(pIpeer); // this should addref the peer but not the instance or owner if (NS_FAILED(result)) // except in some cases not Java, see bug 140931 return result; // our COM pointer will free the peer // instance and peer will be addreffed here result = AddInstanceToActiveList(plugin, instance, aURL, PR_FALSE, pIpeer); //release what was addreffed in Create(Plugin)Instance NS_RELEASE(instance); #ifdef PLUGIN_LOGGING nsCAutoString urlSpec2; if(aURL != nsnull) (void)aURL->GetSpec(urlSpec2); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_BASIC, ("nsPluginHostImpl::TrySetupPluginInstance Finished mime=%s, rv=%d, owner=%p, url=%s\n", aMimeType, result, aOwner, urlSpec2.get())); PR_LogFlush(); #endif return result; } //////////////////////////////////////////////////////////////////////// nsresult nsPluginHostImpl::SetUpDefaultPluginInstance(const char *aMimeType, nsIURI *aURL, nsIPluginInstanceOwner *aOwner) { nsresult result = NS_ERROR_FAILURE; nsIPluginInstance* instance = NULL; nsCOMPtr plugin = NULL; const char* mimetype; if(!aURL) return NS_ERROR_FAILURE; mimetype = aMimeType; GetPluginFactory("*", getter_AddRefs(plugin)); result = CallCreateInstance(NS_INLINE_PLUGIN_CONTRACTID_PREFIX "*", &instance); // couldn't create an XPCOM plugin, try to create wrapper for a legacy plugin if (NS_FAILED(result)) { if(plugin) result = plugin->CreateInstance(NULL, kIPluginInstanceIID, (void **)&instance); } // neither an XPCOM or legacy plugin could be instantiated, so return the failure if(NS_FAILED(result)) return result; // it is adreffed here aOwner->SetInstance(instance); nsPluginInstancePeerImpl *peer = new nsPluginInstancePeerImpl(); if(peer == nsnull) return NS_ERROR_OUT_OF_MEMORY; // if we don't have a mimetype, check by file extension nsXPIDLCString mt; if(mimetype == nsnull) { nsresult res = NS_OK; nsCOMPtr url = do_QueryInterface(aURL); if(url) { nsCAutoString extension; url->GetFileExtension(extension); if(!extension.IsEmpty()) { nsCOMPtr ms (do_GetService(NS_MIMESERVICE_CONTRACTID, &res)); if(NS_SUCCEEDED(res) && ms) { res = ms->GetTypeFromExtension(extension.get(), getter_Copies(mt)); if(NS_SUCCEEDED(res)) mimetype = mt; } } } } // set up the peer for the instance peer->Initialize(aOwner, mimetype); nsCOMPtr pIpeer; peer->QueryInterface(kIPluginInstancePeerIID, getter_AddRefs(pIpeer)); if (!pIpeer) { delete peer; return NS_ERROR_NO_INTERFACE; } result = instance->Initialize(pIpeer); // this should addref the peer but not the instance or owner if (NS_FAILED(result)) // except in some cases not Java, see bug 140931 return result; // our COM pointer will free the peer // instance and peer will be addreffed here result = AddInstanceToActiveList(plugin, instance, aURL, PR_TRUE, pIpeer); //release what was addreffed in Create(Plugin)Instance NS_RELEASE(instance); return result; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::IsPluginEnabledForType(const char* aMimeType) { nsPluginTag *plugins = nsnull; PRInt32 variants, cnt; LoadPlugins(); // if we have a mimetype passed in, search the mPlugins linked // list for a match if (nsnull != aMimeType) { plugins = mPlugins; while (nsnull != plugins) { variants = plugins->mVariants; for (cnt = 0; cnt < variants; cnt++) if (plugins->mMimeTypeArray[cnt] && (0 == PL_strcasecmp(plugins->mMimeTypeArray[cnt], aMimeType))) return NS_OK; if (cnt < variants) break; plugins = plugins->mNext; } } return NS_ERROR_FAILURE; } //////////////////////////////////////////////////////////////////////// // check comma delimitered extensions static int CompareExtensions(const char *aExtensionList, const char *aExtension) { if((aExtensionList == nsnull) || (aExtension == nsnull)) return -1; const char *pExt = aExtensionList; const char *pComma = strchr(pExt, ','); if(pComma == nsnull) return PL_strcasecmp(pExt, aExtension); while(pComma != nsnull) { int length = pComma - pExt; if(0 == PL_strncasecmp(pExt, aExtension, length)) return 0; pComma++; pExt = pComma; pComma = strchr(pExt, ','); } // the last one return PL_strcasecmp(pExt, aExtension); } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::IsPluginEnabledForExtension(const char* aExtension, const char* &aMimeType) { nsPluginTag *plugins = nsnull; PRInt32 variants, cnt; LoadPlugins(); // if we have a mimetype passed in, search the mPlugins linked // list for a match if (nsnull != aExtension) { plugins = mPlugins; while (nsnull != plugins) { variants = plugins->mVariants; for (cnt = 0; cnt < variants; cnt++) { //if (0 == strcmp(plugins->mExtensionsArray[cnt], aExtension)) // mExtensionsArray[cnt] could be not a single extension but // rather a list separated by commas if (0 == CompareExtensions(plugins->mExtensionsArray[cnt], aExtension)) { aMimeType = plugins->mMimeTypeArray[cnt]; return NS_OK; } } if (cnt < variants) break; plugins = plugins->mNext; } } return NS_ERROR_FAILURE; } //////////////////////////////////////////////////////////////////////// // Utility functions for a charset convertor // which converts platform charset to unicode. static nsresult CreateUnicodeDecoder(nsIUnicodeDecoder **aUnicodeDecoder) { nsresult rv; // get the charset nsAutoString platformCharset; nsCOMPtr platformCharsetService = do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &rv); NS_ENSURE_SUCCESS(rv, rv); rv = platformCharsetService->GetCharset(kPlatformCharsetSel_FileName, platformCharset); NS_ENSURE_SUCCESS(rv, rv); // get the decoder nsCOMPtr ccm = do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, &rv); NS_ENSURE_SUCCESS(rv, rv); rv = ccm->GetUnicodeDecoder(&platformCharset, aUnicodeDecoder); return rv; } static nsresult DoCharsetConversion(nsIUnicodeDecoder *aUnicodeDecoder, const char* aANSIString, nsAString& aUnicodeString) { NS_ENSURE_TRUE(aUnicodeDecoder, NS_ERROR_FAILURE); NS_ENSURE_TRUE(aANSIString, NS_ERROR_FAILURE); nsresult rv; PRInt32 numberOfBytes = strlen(aANSIString); PRInt32 outUnicodeLen; nsAutoString buffer; rv = aUnicodeDecoder->GetMaxLength(aANSIString, numberOfBytes, &outUnicodeLen); NS_ENSURE_SUCCESS(rv, rv); buffer.SetCapacity(outUnicodeLen); rv = aUnicodeDecoder->Convert(aANSIString, &numberOfBytes, (PRUnichar*) buffer.get(), &outUnicodeLen); NS_ENSURE_SUCCESS(rv, rv); buffer.SetLength(outUnicodeLen); aUnicodeString = buffer; return rv; } //////////////////////////////////////////////////////////////////////// class DOMMimeTypeImpl : public nsIDOMMimeType { public: NS_DECL_ISUPPORTS DOMMimeTypeImpl(nsPluginTag* aPluginTag, PRUint32 aMimeTypeIndex) { (void) CreateUnicodeDecoder(getter_AddRefs(mUnicodeDecoder)); if (aPluginTag) { if (aPluginTag->mMimeDescriptionArray) (void) DoCharsetConversion(mUnicodeDecoder, aPluginTag->mMimeDescriptionArray[aMimeTypeIndex], mDescription); if (aPluginTag->mExtensionsArray) mSuffixes.AssignWithConversion(aPluginTag->mExtensionsArray[aMimeTypeIndex]); if (aPluginTag->mMimeTypeArray) mType.AssignWithConversion(aPluginTag->mMimeTypeArray[aMimeTypeIndex]); } } virtual ~DOMMimeTypeImpl() { } NS_METHOD GetDescription(nsAString& aDescription) { aDescription.Assign(mDescription); return NS_OK; } NS_METHOD GetEnabledPlugin(nsIDOMPlugin** aEnabledPlugin) { // this has to be implemented by the DOM version. *aEnabledPlugin = nsnull; return NS_OK; } NS_METHOD GetSuffixes(nsAString& aSuffixes) { aSuffixes.Assign(mSuffixes); return NS_OK; } NS_METHOD GetType(nsAString& aType) { aType.Assign(mType); return NS_OK; } private: nsString mDescription; nsString mSuffixes; nsString mType; nsCOMPtr mUnicodeDecoder; }; //////////////////////////////////////////////////////////////////////// NS_IMPL_ISUPPORTS1(DOMMimeTypeImpl, nsIDOMMimeType) //////////////////////////////////////////////////////////////////////// class DOMPluginImpl : public nsIDOMPlugin { public: NS_DECL_ISUPPORTS DOMPluginImpl(nsPluginTag* aPluginTag) : mPluginTag(aPluginTag) { (void) CreateUnicodeDecoder(getter_AddRefs(mUnicodeDecoder)); } virtual ~DOMPluginImpl() { } NS_METHOD GetDescription(nsAString& aDescription) { DoCharsetConversion(mUnicodeDecoder, mPluginTag.mDescription, aDescription); return NS_OK; } NS_METHOD GetFilename(nsAString& aFilename) { PRBool bShowPath; nsCOMPtr prefService = do_GetService(NS_PREF_CONTRACTID); if (prefService && NS_SUCCEEDED(prefService->GetBoolPref("plugin.expose_full_path",&bShowPath)) && bShowPath) { // only show the full path if people have set the pref, // the default should not reveal path information (bug 88183) #if defined(XP_MAC) || defined(XP_MACOSX) return DoCharsetConversion(mUnicodeDecoder, mPluginTag.mFullPath, aFilename); #else return DoCharsetConversion(mUnicodeDecoder, mPluginTag.mFileName, aFilename); #endif } const char* spec; if (mPluginTag.mFullPath) { #if !(defined(XP_MAC) || defined(XP_MACOSX)) NS_ERROR("Only MAC should be using nsPluginTag::mFullPath!"); #endif spec = mPluginTag.mFullPath; } else { spec = mPluginTag.mFileName; } nsCString leafName; nsCOMPtr pluginPath; NS_NewNativeLocalFile(nsDependentCString(spec), PR_TRUE, getter_AddRefs(pluginPath)); pluginPath->GetNativeLeafName(leafName); nsresult rv = DoCharsetConversion(mUnicodeDecoder, leafName.get(), aFilename); return rv; } NS_METHOD GetName(nsAString& aName) { DoCharsetConversion(mUnicodeDecoder, mPluginTag.mName, aName); return NS_OK; } NS_METHOD GetLength(PRUint32* aLength) { *aLength = mPluginTag.mVariants; return NS_OK; } NS_METHOD Item(PRUint32 aIndex, nsIDOMMimeType** aReturn) { nsIDOMMimeType* mimeType = new DOMMimeTypeImpl(&mPluginTag, aIndex); NS_IF_ADDREF(mimeType); *aReturn = mimeType; return NS_OK; } NS_METHOD NamedItem(const nsAString& aName, nsIDOMMimeType** aReturn) { for (int index = mPluginTag.mVariants - 1; index >= 0; --index) { if (aName.Equals(NS_ConvertASCIItoUCS2(mPluginTag.mMimeTypeArray[index]))) return Item(index, aReturn); } return NS_OK; } private: nsPluginTag mPluginTag; nsCOMPtr mUnicodeDecoder; }; //////////////////////////////////////////////////////////////////////// NS_IMPL_ISUPPORTS1(DOMPluginImpl, nsIDOMPlugin) //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::GetPluginCount(PRUint32* aPluginCount) { LoadPlugins(); PRUint32 count = 0; nsPluginTag* plugin = mPlugins; while (plugin != nsnull) { ++count; plugin = plugin->mNext; } *aPluginCount = count; return NS_OK; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::GetPlugins(PRUint32 aPluginCount, nsIDOMPlugin* aPluginArray[]) { LoadPlugins(); nsPluginTag* plugin = mPlugins; for (PRUint32 i = 0; i < aPluginCount && plugin != nsnull; i++, plugin = plugin->mNext) { nsIDOMPlugin* domPlugin = new DOMPluginImpl(plugin); NS_IF_ADDREF(domPlugin); aPluginArray[i] = domPlugin; } return NS_OK; } //////////////////////////////////////////////////////////////////////// nsresult nsPluginHostImpl::FindPluginEnabledForType(const char* aMimeType, nsPluginTag* &aPlugin) { nsPluginTag *plugins = nsnull; PRInt32 variants, cnt; aPlugin = nsnull; LoadPlugins(); // if we have a mimetype passed in, search the mPlugins // linked list for a match if (nsnull != aMimeType) { plugins = mPlugins; while (nsnull != plugins) { variants = plugins->mVariants; for (cnt = 0; cnt < variants; cnt++) { if (plugins->mMimeTypeArray[cnt] && (0 == PL_strcasecmp(plugins->mMimeTypeArray[cnt], aMimeType))) { aPlugin = plugins; return NS_OK; } } if (cnt < variants) break; plugins = plugins->mNext; } } return NS_ERROR_FAILURE; } #if defined(XP_MACOSX) /** * The following code examines the format of a Mac OS X binary, and determines whether it * is compatible with the current executable. One trick to make this portable might be * to compare the headers of the main executable we are part of with the header of the * binary in question, but for a quick and dirty solution, this just checks to see * if the specified binary is itself a MACH-O binary with a 4 byte header of 0xFEEDFACE. */ #include #include #include inline PRBool is_directory(const char* path) { struct stat sb; if (stat(path, &sb) == 0 && (sb.st_mode & S_IFDIR)) { return PR_TRUE; } return PR_FALSE; } static int open_executable(const char* path) { int fd = 0; // if this is a directory, it must be a bundle, so get the true path using CFBundle... if (is_directory(path)) { CFBundleRef bundle = NULL; CFStringRef pathRef = CFStringCreateWithCString(NULL, path, kCFStringEncodingUTF8); if (pathRef) { CFURLRef bundleURL = CFURLCreateWithFileSystemPath(NULL, pathRef, kCFURLPOSIXPathStyle, true); CFRelease(pathRef); if (bundleURL != NULL) { bundle = CFBundleCreate(NULL, bundleURL); CFRelease(bundleURL); if (bundle) { CFURLRef executableURL = CFBundleCopyExecutableURL(bundle); if (executableURL) { pathRef = CFURLCopyFileSystemPath(executableURL, kCFURLPOSIXPathStyle); CFRelease(executableURL); if (pathRef) { CFIndex bufferSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(pathRef), kCFStringEncodingUTF8) + 1; char* executablePath = new char[bufferSize]; if (executablePath && CFStringGetCString(pathRef, executablePath, bufferSize, kCFStringEncodingUTF8)) { fd = open(executablePath, O_RDONLY, 0); delete[] executablePath; } CFRelease(pathRef); } } CFRelease(bundle); } } } } else { fd = open(path, O_RDONLY, 0); } return fd; } static PRBool IsCompatibleExecutable(const char* path) { int fd = open_executable(path); if (fd) { // open the file, look at the header. if the first 8-bytes are "Joy!peff" then we have // a CFM/PEFF library, which isn't compatible with MACH-O. If it is 0xfeedface, then it // is MACH-O. Look in /etc/magic for other valid MACH-O header signatures. Should we // just use the contents of /etc/magic like the "file" command does? man 1 file for more info. char magic_cookie[8]; ssize_t n = read(fd, magic_cookie, sizeof(magic_cookie)); close(fd); if (n == sizeof(magic_cookie)) { const char mach_o_cookie[] = { 0xFE, 0xED, 0xFA, 0xCE }; if (memcmp(magic_cookie, mach_o_cookie, sizeof(mach_o_cookie)) == 0) return PR_TRUE; const char cfm_cookie[] = { 'J', 'o', 'y', '!', 'p', 'e', 'f', 'f' }; if (memcmp(magic_cookie, cfm_cookie, sizeof(cfm_cookie)) == 0) return PR_FALSE; } } return PR_FALSE; } #else inline PRBool IsCompatibleExecutable(const char* path) { return PR_TRUE; } #endif //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::GetPluginFactory(const char *aMimeType, nsIPlugin** aPlugin) { nsresult rv = NS_ERROR_FAILURE; *aPlugin = NULL; if(!aMimeType) return NS_ERROR_ILLEGAL_VALUE; // If plugins haven't been scanned yet, do so now LoadPlugins(); nsPluginTag* pluginTag; if((rv = FindPluginEnabledForType(aMimeType, pluginTag)) == NS_OK) { PLUGIN_LOG(PLUGIN_LOG_BASIC, ("nsPluginHostImpl::GetPluginFactory Begin mime=%s, plugin=%s\n", aMimeType, pluginTag->mFileName)); #ifdef NS_DEBUG if(aMimeType && pluginTag->mFileName) printf("For %s found plugin %s\n", aMimeType, pluginTag->mFileName); #endif if (nsnull == pluginTag->mLibrary) // if we haven't done this yet { nsCOMPtr file = do_CreateInstance("@mozilla.org/file/local;1"); #if !(defined(XP_MAC) || defined(XP_MACOSX)) file->InitWithNativePath(nsDependentCString(pluginTag->mFileName)); #else if (nsnull == pluginTag->mFullPath) return NS_ERROR_FAILURE; file->InitWithNativePath(nsDependentCString(pluginTag->mFullPath)); #endif nsPluginFile pluginFile(file); PRLibrary* pluginLibrary = NULL; if (pluginFile.LoadPlugin(pluginLibrary) != NS_OK || pluginLibrary == NULL) return NS_ERROR_FAILURE; // remove from unused lib list, if it is there if (mUnusedLibraries.IndexOf(pluginLibrary) > -1) mUnusedLibraries.RemoveElement(pluginLibrary); pluginTag->mLibrary = pluginLibrary; } nsIPlugin* plugin = pluginTag->mEntryPoint; if(plugin == NULL) { // nsIPlugin* of xpcom plugins can be found thru a call to // nsComponentManager::GetClassObject() nsCID clsid; nsCAutoString contractID( NS_LITERAL_CSTRING(NS_INLINE_PLUGIN_CONTRACTID_PREFIX) + nsDependentCString(aMimeType)); nsresult rv = nsComponentManager::ContractIDToClassID(contractID.get(), &clsid); if (NS_SUCCEEDED(rv)) { rv = nsComponentManager::GetClassObject(clsid, nsIPlugin::GetIID(), (void**)&plugin); if (NS_SUCCEEDED(rv) && plugin) { // plugin was addref'd by nsComponentManager::GetClassObject pluginTag->mEntryPoint = plugin; plugin->Initialize(); } } } if (plugin == NULL) { // No, this is not a leak. GetGlobalServiceManager() doesn't // addref the pointer on the way out. It probably should. nsIServiceManagerObsolete* serviceManager; nsServiceManager::GetGlobalServiceManager((nsIServiceManager**)&serviceManager); // need to get the plugin factory from this plugin. nsFactoryProc nsGetFactory = nsnull; nsGetFactory = (nsFactoryProc) PR_FindSymbol(pluginTag->mLibrary, "NSGetFactory"); if(nsGetFactory != nsnull && IsCompatibleExecutable(pluginTag->mFullPath)) { // XPCOM-style plugins (or at least the OJI one) cause crashes on // on windows GCC builds, so we're just turning them off for now. #if !defined(XP_WIN) || !defined(__GNUC__) rv = nsGetFactory(serviceManager, kPluginCID, nsnull, nsnull, // XXX fix ClassName/ContractID (nsIFactory**)&pluginTag->mEntryPoint); plugin = pluginTag->mEntryPoint; if (plugin != NULL) plugin->Initialize(); #endif } else { // Now lets try to get the entry point from a 4.x plugin rv = NS_ERROR_FAILURE; #if defined(XP_MAC) && TARGET_CARBON // on Carbon, first let's see if this is a Classic plugin // should we also look for a 'carb' resource? if (PR_FindSymbol(pluginTag->mLibrary, "mainRD") != NULL) { nsCOMPtr factory = do_GetService(NS_CLASSIC_PLUGIN_FACTORY_CONTRACTID, &rv); if (NS_SUCCEEDED(rv)) rv = factory->CreatePlugin(serviceManager, pluginTag->mFileName, pluginTag->mFullPath, pluginTag->mLibrary, &pluginTag->mEntryPoint); if (!pluginTag->mEntryPoint) // plugin wasn't found rv = NS_ERROR_FAILURE; // setup failure to try normal loading next } #endif if (NS_FAILED(rv)) rv = ns4xPlugin::CreatePlugin(serviceManager, pluginTag->mFileName, pluginTag->mFullPath, pluginTag->mLibrary, &pluginTag->mEntryPoint); plugin = pluginTag->mEntryPoint; pluginTag->mFlags |= NS_PLUGIN_FLAG_OLDSCHOOL; // no need to initialize, already done by CreatePlugin() } } #if defined(XP_MAC) || defined (XP_MACOSX) #if TARGET_CARBON /* Flash 6.0 r50 and older on Mac has a bug which calls ::UseInputWindow(NULL, true) which turn off all our inline IME. Turn it back after the plugin initializtion and hope that future versions will be fixed. See bug 159016 */ if (pluginTag->mDescription && !PL_strncasecmp(pluginTag->mDescription, "Shockwave Flash 6.0", 19)) { int ver = atoi(pluginTag->mDescription + 21); if (ver && ver <= 50) { ::UseInputWindow(NULL, false); } } #endif #endif if (plugin != nsnull) { *aPlugin = plugin; plugin->AddRef(); return NS_OK; } } PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::GetPluginFactory End mime=%s, rv=%d, plugin=%p name=%s\n", aMimeType, rv, *aPlugin, (pluginTag ? pluginTag->mFileName : "(not found)"))); return rv; } //////////////////////////////////////////////////////////////////////// // XXX called from ScanPluginsDirectory only when told to filter // currently 'unwanted' plugins are Java, and all other plugins except // Acrobat, Flash, Quicktime and Shockwave static PRBool isUnwantedPlugin(nsPluginTag * tag) { if(tag->mFileName == nsnull) return PR_TRUE; for (PRInt32 i = 0; i < tag->mVariants; ++i) { if(nsnull == PL_strcasecmp(tag->mMimeTypeArray[i], "application/pdf")) return PR_FALSE; if(nsnull == PL_strcasecmp(tag->mMimeTypeArray[i], "application/x-shockwave-flash")) return PR_FALSE; if(nsnull == PL_strcasecmp(tag->mMimeTypeArray[i],"application/x-director")) return PR_FALSE; } // On Windows, we also want to include the Quicktime plugin from the 4.x directory // But because it spans several DLL's, the best check for now is by filename if (nsnull != PL_strcasestr(tag->mFileName,"npqtplugin")) return PR_FALSE; return PR_TRUE; } //////////////////////////////////////////////////////////////////////// // XXX quick helper function to check for java plugin static PRBool isUnwantedJavaPlugin(nsPluginTag * tag) { #ifndef OJI for (PRInt32 i = 0; i < tag->mVariants; ++i) { if ((0 == PL_strncasecmp(tag->mMimeTypeArray[i], "application/x-java-vm", 21)) || (0 == PL_strncasecmp(tag->mMimeTypeArray[i], "application/x-java-applet", 25)) || (0 == PL_strncasecmp(tag->mMimeTypeArray[i], "application/x-java-bean", 23))) return PR_TRUE; } #endif /* OJI */ return PR_FALSE; } nsPluginTag * nsPluginHostImpl::HaveSamePlugin(nsPluginTag * aPluginTag) { for(nsPluginTag* tag = mPlugins; tag; tag = tag->mNext) { if(tag->Equals(aPluginTag)) return tag; } return nsnull; } PRBool nsPluginHostImpl::IsDuplicatePlugin(nsPluginTag * aPluginTag) { nsPluginTag * tag = HaveSamePlugin(aPluginTag); if (tag) { // if we got the same plugin, check the full path to see if this is a dup; // mFileName contains full path on Windows and Unix and leaf name on Mac // if those are not equal, we have the same plugin with different path, // i.e. duplicate, return true if (PL_strcmp(tag->mFileName, aPluginTag->mFileName)) return PR_TRUE; // if they are equal, compare mFullPath fields just in case // mFileName contained leaf name only, and if not equal, return true if (tag->mFullPath && aPluginTag->mFullPath && PL_strcmp(tag->mFullPath, aPluginTag->mFullPath)) return PR_TRUE; } // we do not have it at all, return false return PR_FALSE; } // Structure for collecting plugin files found during directory scanning struct pluginFileinDirectory { nsString mFilename; PRInt64 mModTime; pluginFileinDirectory() { mModTime = LL_ZERO; } }; // QuickSort callback for comparing the modification time of two files // if the times are the same, compare the filenames static int PR_CALLBACK ComparePluginFileInDirectory (const void *v1, const void *v2, void *) { const pluginFileinDirectory* pfd1 = NS_STATIC_CAST(const pluginFileinDirectory*, v1); const pluginFileinDirectory* pfd2 = NS_STATIC_CAST(const pluginFileinDirectory*, v2); PRInt32 result = 0; if (LL_EQ(pfd1->mModTime, pfd2->mModTime)) result = Compare(pfd1->mFilename, pfd2->mFilename, nsCaseInsensitiveStringComparator()); else if (LL_CMP(pfd1->mModTime, >, pfd2->mModTime)) result = -1; else result = 1; return result; } typedef NS_4XPLUGIN_CALLBACK(char *, NP_GETMIMEDESCRIPTION)(void); static nsresult FixUpPluginInfo(nsPluginInfo &aInfo, nsPluginFile &aPluginFile) { #ifndef XP_WIN return NS_OK; #endif for (PRUint32 i = 0; i < aInfo.fVariantCount; i++) { if (PL_strcmp(aInfo.fMimeTypeArray[i], "*")) continue; // we got "*" type // check if this is an alien plugin (not our default plugin) // by trying to find a special entry point PRLibrary *library = nsnull; if (NS_FAILED(aPluginFile.LoadPlugin(library)) || !library) return NS_ERROR_FAILURE; NP_GETMIMEDESCRIPTION pf = (NP_GETMIMEDESCRIPTION)PR_FindSymbol(library, "NP_GetMIMEDescription"); if (pf) { // if we found it, this is the default plugin, return char * mimedescription = pf(); if (!PL_strncmp(mimedescription, NS_PLUGIN_DEFAULT_MIME_DESCRIPTION, 1)) return NS_OK; } // if we are here that means we have an alien plugin // which wants to take over "*" type // change its "*" mime type to "[*]" PL_strfree(aInfo.fMimeTypeArray[i]); aInfo.fMimeTypeArray[i] = PL_strdup("[*]"); // continue the loop? } return NS_OK; } //////////////////////////////////////////////////////////////////////// nsresult nsPluginHostImpl::ScanPluginsDirectory(nsIFile * pluginsDir, nsIComponentManager * compManager, PRBool aCreatePluginList, PRBool * aPluginsChanged, PRBool checkForUnwantedPlugins) { NS_ENSURE_ARG_POINTER(aPluginsChanged); nsresult rv; *aPluginsChanged = PR_FALSE; #ifdef PLUGIN_LOGGING nsCAutoString dirPath; pluginsDir->GetNativePath(dirPath); PLUGIN_LOG(PLUGIN_LOG_BASIC, ("nsPluginHostImpl::ScanPluginsDirectory dir=%s\n", dirPath.get())); #endif nsCOMPtr iter; rv = pluginsDir->GetDirectoryEntries(getter_AddRefs(iter)); if (NS_FAILED(rv)) return rv; // Collect all the files in this directory in a void array we can sort later nsAutoVoidArray pluginFilesArray; // array for sorting files in this directory PRBool hasMore; while (NS_SUCCEEDED(iter->HasMoreElements(&hasMore)) && hasMore) { nsCOMPtr supports; rv = iter->GetNext(getter_AddRefs(supports)); if (NS_FAILED(rv)) continue; nsCOMPtr dirEntry(do_QueryInterface(supports, &rv)); if (NS_FAILED(rv)) continue; // Sun's JRE 1.3.1 plugin must have symbolic links resolved or else it'll crash. // See bug 197855. dirEntry->Normalize(); nsCAutoString filePath; rv = dirEntry->GetNativePath(filePath); if (NS_FAILED(rv)) continue; if (nsPluginsDir::IsPluginFile(dirEntry)) { pluginFileinDirectory * item = new pluginFileinDirectory(); if (!item) return NS_ERROR_OUT_OF_MEMORY; // Get file mod time PRInt64 fileModTime = LL_ZERO; dirEntry->GetLastModifiedTime(&fileModTime); item->mModTime = fileModTime; item->mFilename.AssignWithConversion(filePath.get()); pluginFilesArray.AppendElement(item); } } // end round of up of plugin files // now sort the array by file modification time or by filename, if equal // put newer plugins first to weed out dups and catch upgrades, see bug 119966 pluginFilesArray.Sort(ComparePluginFileInDirectory, nsnull); // finally, go through the array, looking at each entry and continue processing it for (PRInt32 i = 0; i < pluginFilesArray.Count(); i++) { pluginFileinDirectory* pfd = NS_STATIC_CAST(pluginFileinDirectory*, pluginFilesArray[i]); nsCOMPtr file = do_CreateInstance("@mozilla.org/file/local;1"); nsCOMPtr localfile = do_QueryInterface(file); localfile->InitWithPath(pfd->mFilename); PRInt64 fileModTime = pfd->mModTime; //delete pfd; // Look for it in our cache nsPluginTag *pluginTag = RemoveCachedPluginsInfo(NS_ConvertUCS2toUTF8(pfd->mFilename).get()); if (pluginTag) { // If plugin changed, delete cachedPluginTag and dont use cache if (LL_NE(fileModTime, pluginTag->mLastModifiedTime)) { // Plugins has changed. Dont use cached plugin info. delete pluginTag; pluginTag = nsnull; // plugin file changed, flag this fact *aPluginsChanged = PR_TRUE; } else { // if it is unwanted plugin we are checking for, get it back to the cache info list // if this is a duplicate plugin, too place it back in the cache info list marking unwantedness if((checkForUnwantedPlugins && isUnwantedPlugin(pluginTag)) || IsDuplicatePlugin(pluginTag) || isUnwantedJavaPlugin(pluginTag)) { pluginTag->Mark(NS_PLUGIN_FLAG_UNWANTED); pluginTag->mNext = mCachedPlugins; mCachedPlugins = pluginTag; } } } else { // plugin file was added, flag this fact *aPluginsChanged = PR_TRUE; } // if we are not creating the list, just continue the loop // no need to proceed if changes are detected if (!aCreatePluginList) { if (*aPluginsChanged) return NS_OK; else continue; } // if it is not found in cache info list or has been changed, create a new one if (!pluginTag) { nsPluginFile pluginFile(file); PRLibrary* pluginLibrary = nsnull; // load the plugin's library so we can ask it some questions, but not for Windows #ifndef XP_WIN if (pluginFile.LoadPlugin(pluginLibrary) != NS_OK || pluginLibrary == nsnull) continue; #endif // create a tag describing this plugin. nsPluginInfo info = { sizeof(info) }; nsresult res = pluginFile.GetPluginInfo(info); if(NS_FAILED(res)) continue; // if we don't have mime type -- don't proceed, this is not a plugin if(!info.fMimeTypeArray) { pluginFile.FreePluginInfo(info); continue; } // Check for any potential '*' mime type handlers which are not our // own default plugin and disable them as they will break the plugin // finder service, see Bugzilla bug 132430 if (!mAllowAlienStarHandler) FixUpPluginInfo(info, pluginFile); pluginTag = new nsPluginTag(&info); pluginFile.FreePluginInfo(info); if(pluginTag == nsnull) return NS_ERROR_OUT_OF_MEMORY; pluginTag->mLibrary = pluginLibrary; pluginTag->mLastModifiedTime = fileModTime; // if this is unwanted plugin we are checkin for, or this is a duplicate plugin, // add it to our cache info list so we can cache the unwantedness of this plugin // when we sync cached plugins to registry if((checkForUnwantedPlugins && isUnwantedPlugin(pluginTag)) || IsDuplicatePlugin(pluginTag) || isUnwantedJavaPlugin(pluginTag)) { pluginTag->Mark(NS_PLUGIN_FLAG_UNWANTED); pluginTag->mNext = mCachedPlugins; mCachedPlugins = pluginTag; } } // set the flag that we want to add this plugin to the list for now // and see if it remains after we check several reasons not to do so PRBool bAddIt = PR_TRUE; // check if this is a specific plugin we don't want if((checkForUnwantedPlugins && isUnwantedPlugin(pluginTag)) || isUnwantedJavaPlugin(pluginTag)) bAddIt = PR_FALSE; // check if we already have this plugin in the list which // is possible if we do refresh if(bAddIt) { if (HaveSamePlugin(pluginTag)) { // we cannot get here if the plugin has just been added // and thus |pluginTag| is not from cache, because otherwise // it would not be present in the list; // so there is no need to delete |pluginTag| -- it _is_ from the cache info list. bAddIt = PR_FALSE; } } // so if we still want it -- do it if(bAddIt) { pluginTag->SetHost(this); pluginTag->mNext = mPlugins; mPlugins = pluginTag; pluginTag->RegisterWithCategoryManager(mOverrideInternalTypes); } else if (!(pluginTag->mFlags & NS_PLUGIN_FLAG_UNWANTED)) { // we don't need it, delete it; // but don't delete unwanted plugins since they are cached // in the cache info list and will be deleted later delete pluginTag; } } return NS_OK; } nsresult nsPluginHostImpl::ScanPluginsDirectoryList(nsISimpleEnumerator * dirEnum, nsIComponentManager * compManager, PRBool aCreatePluginList, PRBool * aPluginsChanged, PRBool checkForUnwantedPlugins) { PRBool hasMore; while (NS_SUCCEEDED(dirEnum->HasMoreElements(&hasMore)) && hasMore) { nsCOMPtr supports; nsresult rv = dirEnum->GetNext(getter_AddRefs(supports)); if (NS_FAILED(rv)) continue; nsCOMPtr nextDir(do_QueryInterface(supports, &rv)); if (NS_FAILED(rv)) continue; // don't pass aPluginsChanged directly to prevent it from been reset PRBool pluginschanged = PR_FALSE; ScanPluginsDirectory(nextDir, compManager, aCreatePluginList, &pluginschanged, checkForUnwantedPlugins); if (pluginschanged) *aPluginsChanged = PR_TRUE; // if changes are detected and we are not creating the list, do not proceed if (!aCreatePluginList && *aPluginsChanged) break; } return NS_OK; } NS_IMETHODIMP nsPluginHostImpl::LoadPlugins() { // do not do anything if it is already done // use ReloadPlugins() to enforce loading if(mPluginsLoaded) return NS_OK; PRBool pluginschanged; nsresult rv = FindPlugins(PR_TRUE, &pluginschanged); if (NS_FAILED(rv)) return rv; // only if plugins have changed will we ask XPTI to refresh if (pluginschanged) { // rescan XPTI to catch any newly installed interfaces nsCOMPtr iim (dont_AddRef(XPTI_GetInterfaceInfoManager())); if (iim) iim->AutoRegisterInterfaces(); } return NS_OK; } #include "nsITimelineService.h" // if aCreatePluginList is false we will just scan for plugins // and see if any changes have been made to the plugins. // This is needed in ReloadPlugins to prevent possible recursive reloads nsresult nsPluginHostImpl::FindPlugins(PRBool aCreatePluginList, PRBool * aPluginsChanged) { // let's start timing if we are only really creating the plugin list if (aCreatePluginList) { NS_TIMELINE_START_TIMER("LoadPlugins"); } #ifdef CALL_SAFETY_ON // check preferences on whether or not we want to try safe calls to plugins NS_INIT_PLUGIN_SAFE_CALLS; #endif NS_ENSURE_ARG_POINTER(aPluginsChanged); *aPluginsChanged = PR_FALSE; nsresult rv; // Read cached plugins info ReadPluginInfo(); nsCOMPtr compManager = do_GetService(kComponentManagerCID, &rv); if (compManager) LoadXPCOMPlugins(compManager); // Failure here is not a show-stopper so just warn. rv = EnsurePrivateDirServiceProvider(); NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Failed to register dir service provider."); nsCOMPtr dirService(do_GetService(kDirectoryServiceContractID, &rv)); if (NS_FAILED(rv)) return rv; nsCOMPtr dirList; // Scan plugins directories; // don't pass aPluginsChanged directly, to prevent its // possible reset in subsequent ScanPluginsDirectory calls PRBool pluginschanged = PR_FALSE; // Scan the app-defined list of plugin dirs. rv = dirService->Get(NS_APP_PLUGINS_DIR_LIST, NS_GET_IID(nsISimpleEnumerator), getter_AddRefs(dirList)); if (NS_SUCCEEDED(rv)) { ScanPluginsDirectoryList(dirList, compManager, aCreatePluginList, &pluginschanged); if (pluginschanged) *aPluginsChanged = PR_TRUE; // if we are just looking for possible changes, // no need to proceed if changes are detected if (!aCreatePluginList && *aPluginsChanged) { ClearCachedPluginInfoList(); return NS_OK; } } mPluginsLoaded = PR_TRUE; // at this point 'some' plugins have been loaded, // the rest is optional #if defined (XP_WIN) // Scan the installation paths of our popular plugins if the prefs are enabled // This table controls the order of scanning const char *prefs[] = {NS_WIN_JRE_SCAN_KEY, nsnull, NS_WIN_ACROBAT_SCAN_KEY, nsnull, NS_WIN_QUICKTIME_SCAN_KEY, nsnull, NS_WIN_WMP_SCAN_KEY, nsnull, NS_WIN_4DOTX_SCAN_KEY, "1" /* second column is flag for 4.x folder */ }; PRUint32 size = sizeof(prefs) / sizeof(prefs[0]); for (PRUint32 i = 0; i < size; i+=2) { nsCOMPtr dirToScan; PRBool bExists; if (NS_SUCCEEDED(dirService->Get(prefs[i], NS_GET_IID(nsIFile), getter_AddRefs(dirToScan))) && dirToScan && NS_SUCCEEDED(dirToScan->Exists(&bExists)) && bExists) { PRBool bFilterUnwanted = PR_FALSE; // 4.x plugins folder stuff: // Normally we "filter" the 4.x folder through |IsUnwantedPlugin| // Check for a pref to see if we want to scan the entire 4.x plugins folder if (prefs[i+1]) { PRBool bScanEverything; bFilterUnwanted = PR_TRUE; // default to filter 4.x folder nsCOMPtr prefService = do_GetService(NS_PREF_CONTRACTID); if (prefService && NS_SUCCEEDED(prefService->GetBoolPref(prefs[i], &bScanEverything)) && bScanEverything) bFilterUnwanted = PR_FALSE; } ScanPluginsDirectory(dirToScan, compManager, aCreatePluginList, &pluginschanged, bFilterUnwanted); if (pluginschanged) *aPluginsChanged = PR_TRUE; // if we are just looking for possible changes, // no need to proceed if changes are detected if (!aCreatePluginList && *aPluginsChanged) { ClearCachedPluginInfoList(); return NS_OK; } } } #endif // if get to this point and did not detect changes in plugins // that means no plugins got updated or added // let's see if plugins have been removed if (!*aPluginsChanged) { // count plugins remained in cache, if there are some, that means some plugins were removed; // while counting, we should ignore unwanted plugins which are also present in cache PRUint32 cachecount = 0; for (nsPluginTag * cachetag = mCachedPlugins; cachetag; cachetag = cachetag->mNext) { if (!(cachetag->mFlags & NS_PLUGIN_FLAG_UNWANTED)) cachecount++; } // if there is something left in cache, some plugins got removed from the directory // and therefor their info did not get removed from the cache info list during directory scan; // flag this fact if (cachecount > 0) *aPluginsChanged = PR_TRUE; } // if we are not creating the list, there is no need to proceed if (!aCreatePluginList) { ClearCachedPluginInfoList(); return NS_OK; } // if we are creating the list, it is already done; // update the plugins info cache if changes are detected if (*aPluginsChanged) WritePluginInfo(); // No more need for cached plugins. Clear it up. ClearCachedPluginInfoList(); /* * XXX Big time hack alert!!!! * Because Real Player 8 installs in the components folder, we must have this one off * scan for nppl3260.dll because XPCOM has shut off nsGetFactory type plugins. * When we stop supporting Real 8 or they fix their installer, this can go away. */ if (aCreatePluginList) ScanForRealInComponentsFolder(compManager); // reverse our list of plugins nsPluginTag *next,*prev = nsnull; for (nsPluginTag *cur = mPlugins; cur; cur = next) { next = cur->mNext; cur->mNext = prev; prev = cur; } mPlugins = prev; NS_TIMELINE_STOP_TIMER("LoadPlugins"); NS_TIMELINE_MARK_TIMER("LoadPlugins"); return NS_OK; } void nsPluginHostImpl::ClearCachedPluginInfoList() { while (mCachedPlugins) { nsPluginTag *next = mCachedPlugins->mNext; delete mCachedPlugins; mCachedPlugins = next; } } //////////////////////////////////////////////////////////////////////// nsresult nsPluginHostImpl::LoadXPCOMPlugins(nsIComponentManager* aComponentManager) { // the component reg is a flat file now see 48888 // we have to reimplement this method if we need it // The "new style" XPCOM plugins have their information stored in // the component registry, under the key // // nsIRegistry::Common/software/plugins // // Enumerate through that list now, creating an nsPluginTag for // each. return NS_OK; } nsresult nsPluginHostImpl::WritePluginInfo() { nsresult rv = NS_OK; nsCOMPtr directoryService(do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID,&rv)); if (NS_FAILED(rv)) return rv; directoryService->Get(NS_APP_APPLICATION_REGISTRY_DIR, NS_GET_IID(nsIFile), getter_AddRefs(mPluginsDir)); if (!mPluginsDir) return NS_ERROR_FAILURE; PRFileDesc* fd = nsnull; nsCOMPtr pluginReg; rv = mPluginsDir->Clone(getter_AddRefs(pluginReg)); if (NS_FAILED(rv)) return rv; rv = pluginReg->AppendNative(kPluginRegistryFilename); if (NS_FAILED(rv)) return rv; nsCOMPtr localFile = do_QueryInterface(pluginReg, &rv); if (NS_FAILED(rv)) return rv; rv = localFile->OpenNSPRFileDesc(PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE, 0600, &fd); if (NS_FAILED(rv)) return rv; PR_fprintf(fd, "Generated File. Do not edit.\n"); PR_fprintf(fd, "\n[HEADER]\nVersion%c%s%c%c\n", PLUGIN_REGISTRY_FIELD_DELIMITER, kPluginRegistryVersion, PLUGIN_REGISTRY_FIELD_DELIMITER, PLUGIN_REGISTRY_END_OF_LINE_MARKER); // Store all plugins in the mPlugins list - all plugins currently in use. PR_fprintf(fd, "\n[PLUGINS]\n"); nsPluginTag *taglist[] = {mPlugins, mCachedPlugins}; for (int i=0; i<(int)(sizeof(taglist)/sizeof(nsPluginTag *)); i++) { for (nsPluginTag *tag = taglist[i]; tag; tag=tag->mNext) { // from mCachedPlugins list write down only unwanted plugins if ((taglist[i] == mCachedPlugins) && !(tag->mFlags & NS_PLUGIN_FLAG_UNWANTED)) continue; // store each plugin info into the registry // filename & fullpath are on separate line // because they can contain field delimiter char PR_fprintf(fd, "%s%c%c\n%s%c%c\n", (tag->mFileName ? tag->mFileName : ""), PLUGIN_REGISTRY_FIELD_DELIMITER, PLUGIN_REGISTRY_END_OF_LINE_MARKER, (tag->mFullPath ? tag->mFullPath : ""), PLUGIN_REGISTRY_FIELD_DELIMITER, PLUGIN_REGISTRY_END_OF_LINE_MARKER); // lastModifiedTimeStamp|canUnload|tag->mFlags PR_fprintf(fd, "%lld%c%d%c%lu%c%c\n", tag->mLastModifiedTime, PLUGIN_REGISTRY_FIELD_DELIMITER, tag->mCanUnloadLibrary, PLUGIN_REGISTRY_FIELD_DELIMITER, tag->mFlags, PLUGIN_REGISTRY_FIELD_DELIMITER, PLUGIN_REGISTRY_END_OF_LINE_MARKER); //description, name & mtypecount are on separate line PR_fprintf(fd, "%s%c%c\n%s%c%c\n%d\n", (tag->mDescription ? tag->mDescription : ""), PLUGIN_REGISTRY_FIELD_DELIMITER, PLUGIN_REGISTRY_END_OF_LINE_MARKER, (tag->mName ? tag->mName : ""), PLUGIN_REGISTRY_FIELD_DELIMITER, PLUGIN_REGISTRY_END_OF_LINE_MARKER, tag->mVariants); // Add in each mimetype this plugin supports for (int i=0; imVariants; i++) { PR_fprintf(fd, "%d%c%s%c%s%c%s%c%c\n", i,PLUGIN_REGISTRY_FIELD_DELIMITER, (tag->mMimeTypeArray && tag->mMimeTypeArray[i] ? tag->mMimeTypeArray[i] : ""), PLUGIN_REGISTRY_FIELD_DELIMITER, (tag->mMimeDescriptionArray && tag->mMimeDescriptionArray[i] ? tag->mMimeDescriptionArray[i] : ""), PLUGIN_REGISTRY_FIELD_DELIMITER, (tag->mExtensionsArray && tag->mExtensionsArray[i] ? tag->mExtensionsArray[i] : ""), PLUGIN_REGISTRY_FIELD_DELIMITER, PLUGIN_REGISTRY_END_OF_LINE_MARKER); } } } if (fd) PR_Close(fd); return NS_OK; } #define PLUGIN_REG_MIMETYPES_ARRAY_SIZE 12 nsresult nsPluginHostImpl::ReadPluginInfo() { nsresult rv; nsCOMPtr directoryService(do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID,&rv)); if (NS_FAILED(rv)) return rv; directoryService->Get(NS_APP_APPLICATION_REGISTRY_DIR, NS_GET_IID(nsIFile), getter_AddRefs(mPluginsDir)); if (!mPluginsDir) return NS_ERROR_FAILURE; PRFileDesc* fd = nsnull; nsCOMPtr pluginReg; rv = mPluginsDir->Clone(getter_AddRefs(pluginReg)); if (NS_FAILED(rv)) return rv; rv = pluginReg->AppendNative(kPluginRegistryFilename); if (NS_FAILED(rv)) return rv; nsCOMPtr localFile = do_QueryInterface(pluginReg, &rv); if (NS_FAILED(rv)) return rv; PRInt64 fileSize; rv = localFile->GetFileSize(&fileSize); if (NS_FAILED(rv)) { return rv; } PRInt32 flen = nsInt64(fileSize); if (flen == 0) { NS_WARNING("Plugins Registry Empty!"); return NS_OK; // ERROR CONDITION } nsPluginManifestLineReader reader; char* registry = reader.Init(flen); if (!registry) { return NS_ERROR_OUT_OF_MEMORY; } rv = localFile->OpenNSPRFileDesc(PR_RDONLY, 0444, &fd); if (NS_FAILED(rv)) return rv; // set rv to return an error on goto out rv = NS_ERROR_FAILURE; PRInt32 bread = PR_Read(fd, registry, flen); PR_Close(fd); if (flen > bread) return rv; if (!ReadSectionHeader(reader, "HEADER")) { return rv;; } if (!reader.NextLine()) { return rv; } char* values[6]; // VersionLiteral, kPluginRegistryVersion if (2 != reader.ParseLine(values, 2)) { return rv; } // VersionLiteral if (PL_strcmp(values[0], "Version")) { return rv; } // kPluginRegistryVersion if (PL_strcmp(values[1], kPluginRegistryVersion)) { return rv; } if (!ReadSectionHeader(reader, "PLUGINS")) { return rv; } while (reader.NextLine()) { char *filename = reader.LinePtr(); if (!reader.NextLine()) return rv; char *fullpath = reader.LinePtr(); if (!reader.NextLine()) return rv; // lastModifiedTimeStamp|canUnload|tag.mFlag if (3 != reader.ParseLine(values, 3)) return rv; PRInt64 lastmod = nsCRT::atoll(values[0]); PRBool canunload = atoi(values[1]); PRUint32 tagflag = atoi(values[2]); if (!reader.NextLine()) return rv; char *description = reader.LinePtr(); if (!reader.NextLine()) return rv; char *name = reader.LinePtr(); if (!reader.NextLine()) return rv; int mimetypecount = atoi(reader.LinePtr()); char *stackalloced[PLUGIN_REG_MIMETYPES_ARRAY_SIZE * 3]; char **mimetypes; char **mimedescriptions; char **extensions; char **heapalloced = 0; if (mimetypecount > PLUGIN_REG_MIMETYPES_ARRAY_SIZE - 1) { heapalloced = new char *[mimetypecount * 3]; mimetypes = heapalloced; } else { mimetypes = stackalloced; } mimedescriptions = mimetypes + mimetypecount; extensions = mimedescriptions + mimetypecount; int mtr = 0; //mimetype read for (; mtr < mimetypecount; mtr++) { if (!reader.NextLine()) break; //line number|mimetype|description|extension if (4 != reader.ParseLine(values, 4)) break; int line = atoi(values[0]); if (line != mtr) break; mimetypes[mtr] = values[1]; mimedescriptions[mtr] = values[2]; extensions[mtr] = values[3]; } if (mtr != mimetypecount) { if (heapalloced) { delete [] heapalloced; } return rv; } nsPluginTag* tag = new nsPluginTag(name, description, filename, (*fullpath ? fullpath : 0), // we have to pass 0 prt if it's empty str (const char* const*)mimetypes, (const char* const*)mimedescriptions, (const char* const*)extensions, mimetypecount, lastmod, canunload); if (heapalloced) { delete [] heapalloced; } if (!tag) { continue; } // Mark plugin as loaded from cache tag->Mark(tagflag | NS_PLUGIN_FLAG_FROMCACHE); PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_BASIC, ("LoadCachedPluginsInfo : Loading Cached plugininfo for %s\n", tag->mFileName)); tag->mNext = mCachedPlugins; mCachedPlugins = tag; } return NS_OK; } nsPluginTag * nsPluginHostImpl::RemoveCachedPluginsInfo(const char *filename) { nsPluginTag **link = &mCachedPlugins; for (nsPluginTag *tag = *link; tag; link = &tag->mNext, tag = *link) { // compare filename or else the mFullPath if it exists. Mac seems to use // mFullPath for fullpath and mFileName for just the leafname of fullpath. // On win and unix, mFullPath is never used and mFileName is contains the // full pathname. All this should move to using nsIFile. if (!PL_strcmp(tag->mFileName, filename) || (tag->mFullPath && !PL_strcmp(tag->mFullPath, filename))) { // Found it. Remove it from our list *link = tag->mNext; return tag; } } return nsnull; } nsresult nsPluginHostImpl::EnsurePrivateDirServiceProvider() { if (!mPrivateDirServiceProvider) { nsresult rv; nsCOMPtr provider = new nsPluginDirServiceProvider; if (!provider) return NS_ERROR_OUT_OF_MEMORY; nsCOMPtr dirService(do_GetService(kDirectoryServiceContractID, &rv)); if (NS_FAILED(rv)) return rv; rv = dirService->RegisterProvider(provider); if (NS_FAILED(rv)) return rv; mPrivateDirServiceProvider = provider; } return NS_OK; } //////////////////////////////////////////////////////////////////////// /* Called by GetURL and PostURL */ NS_IMETHODIMP nsPluginHostImpl::NewPluginURLStream(const nsString& aURL, nsIPluginInstance *aInstance, nsIPluginStreamListener* aListener, const char *aPostData, PRBool aIsFile, PRUint32 aPostDataLen, const char *aHeadersData, PRUint32 aHeadersDataLen) { nsCOMPtr url; nsAutoString absUrl; nsresult rv; if (aURL.Length() <= 0) return NS_OK; // get the full URL of the document that the plugin is embedded // in to create an absolute url in case aURL is relative nsCOMPtr doc; nsCOMPtr peer; rv = aInstance->GetPeer(getter_AddRefs(peer)); if (NS_SUCCEEDED(rv) && peer) { nsCOMPtr privpeer(do_QueryInterface(peer)); nsCOMPtr owner; rv = privpeer->GetOwner(getter_AddRefs(owner)); if (owner) { rv = owner->GetDocument(getter_AddRefs(doc)); if (NS_SUCCEEDED(rv) && doc) { nsCOMPtr docURL; doc->GetBaseURL(*getter_AddRefs(docURL)); // Create an absolute URL rv = NS_MakeAbsoluteURI(absUrl, aURL, docURL); } } } if (absUrl.IsEmpty()) absUrl.Assign(aURL); rv = NS_NewURI(getter_AddRefs(url), absUrl); if (NS_SUCCEEDED(rv)) { nsPluginStreamListenerPeer *listenerPeer = new nsPluginStreamListenerPeer; if (listenerPeer == NULL) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(listenerPeer); rv = listenerPeer->Initialize(url, aInstance, aListener); if (NS_SUCCEEDED(rv)) { nsCOMPtr callbacks; if (doc) { // Get the script global object owner and use that as the notification callback nsCOMPtr global; doc->GetScriptGlobalObject(getter_AddRefs(global)); if (global) { nsCOMPtr owner; global->GetGlobalObjectOwner(getter_AddRefs(owner)); callbacks = do_QueryInterface(owner); } } nsCOMPtr channel; rv = NS_NewChannel(getter_AddRefs(channel), url, nsnull, nsnull, /* do not add this internal plugin's channel on the load group otherwise this channel could be canceled form |nsWebShell::OnLinkClickSync| bug 166613 */ callbacks); if (NS_FAILED(rv)) return rv; if (doc) { // Set the owner of channel to the document principal... nsCOMPtr principal; doc->GetPrincipal(getter_AddRefs(principal)); channel->SetOwner(principal); } // deal with headers and post data nsCOMPtr httpChannel(do_QueryInterface(channel)); if(httpChannel) { if (aPostData) { nsCOMPtr postDataStream; rv = NS_NewPluginPostDataStream(getter_AddRefs(postDataStream), (const char*)aPostData, aPostDataLen, aIsFile); if (!postDataStream) { NS_RELEASE(aInstance); return NS_ERROR_UNEXPECTED; } // XXX it's a bit of a hack to rewind the postdata stream // here but it has to be done in case the post data is // being reused multiple times. nsCOMPtr postDataSeekable(do_QueryInterface(postDataStream)); if (postDataSeekable) postDataSeekable->Seek(nsISeekableStream::NS_SEEK_SET, 0); nsCOMPtr uploadChannel(do_QueryInterface(httpChannel)); NS_ASSERTION(uploadChannel, "http must support nsIUploadChannel"); uploadChannel->SetUploadStream(postDataStream, NS_LITERAL_CSTRING(""), -1); } if (aHeadersData) rv = AddHeadersToChannel(aHeadersData, aHeadersDataLen, httpChannel); } rv = channel->AsyncOpen(listenerPeer, nsnull); } NS_RELEASE(listenerPeer); } return rv; } //////////////////////////////////////////////////////////////////////// /* Called by GetURL and PostURL */ nsresult nsPluginHostImpl::DoURLLoadSecurityCheck(nsIPluginInstance *aInstance, const char* aURL) { nsresult rv; if (!aURL || *aURL == '\0') return NS_OK; // get the URL of the document that loaded the plugin nsCOMPtr doc; nsCOMPtr peer; nsCOMPtr sourceURL; rv = aInstance->GetPeer(getter_AddRefs(peer)); if (NS_FAILED(rv) || !peer) return NS_ERROR_FAILURE; nsCOMPtr privpeer(do_QueryInterface(peer)); nsCOMPtr owner; rv = privpeer->GetOwner(getter_AddRefs(owner)); if (!owner) return NS_ERROR_FAILURE; rv = owner->GetDocument(getter_AddRefs(doc)); if (!doc) return NS_ERROR_FAILURE; rv = doc->GetDocumentURL(getter_AddRefs(sourceURL)); if (!sourceURL) return NS_ERROR_FAILURE; // Create an absolute URL for the target in case the target is relative nsCOMPtr docBaseURL; doc->GetBaseURL(*getter_AddRefs(docBaseURL)); nsCOMPtr targetURL; rv = NS_NewURI(getter_AddRefs(targetURL), aURL, docBaseURL); if (!targetURL) return NS_ERROR_FAILURE; nsCOMPtr secMan( do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv)); if (NS_FAILED(rv)) return rv; return secMan->CheckLoadURI(sourceURL, targetURL, nsIScriptSecurityManager::STANDARD); } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::AddHeadersToChannel(const char *aHeadersData, PRUint32 aHeadersDataLen, nsIChannel *aGenericChannel) { nsresult rv = NS_OK; nsCOMPtr aChannel = do_QueryInterface(aGenericChannel); if (!aChannel) { return NS_ERROR_NULL_POINTER; } // used during the manipulation of the String from the aHeadersData nsCAutoString headersString; nsCAutoString oneHeader; nsCAutoString headerName; nsCAutoString headerValue; PRInt32 crlf = 0; PRInt32 colon = 0; // // Turn the char * buffer into an nsString. // headersString = aHeadersData; // // Iterate over the nsString: for each "\r\n" delimeted chunk, // add the value as a header to the nsIHTTPChannel // while (PR_TRUE) { crlf = headersString.Find("\r\n", PR_TRUE); if (-1 == crlf) { rv = NS_OK; return rv; } headersString.Mid(oneHeader, 0, crlf); headersString.Cut(0, crlf + 2); oneHeader.StripWhitespace(); colon = oneHeader.Find(":"); if (-1 == colon) { rv = NS_ERROR_NULL_POINTER; return rv; } oneHeader.Left(headerName, colon); colon++; oneHeader.Mid(headerValue, colon, oneHeader.Length() - colon); // // FINALLY: we can set the header! // rv = aChannel->SetRequestHeader(headerName, headerValue, PR_TRUE); if (NS_FAILED(rv)) { rv = NS_ERROR_NULL_POINTER; return rv; } } return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::StopPluginInstance(nsIPluginInstance* aInstance) { PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHostImpl::StopPluginInstance called instance=%p\n",aInstance)); nsActivePlugin * plugin = mActivePluginList.find(aInstance); if(plugin != nsnull) { plugin->setStopped(PR_TRUE); // be sure we set the "stop" bit // if the plugin does not want to be 'cached' just remove it PRBool doCache = PR_TRUE; aInstance->GetValue(nsPluginInstanceVariable_DoCacheBool, (void *) &doCache); if (!doCache) { PRLibrary * library = nsnull; if(plugin->mPluginTag) library = plugin->mPluginTag->mLibrary; mActivePluginList.remove(plugin); } else { // if it is allowed to be cached simply stop it, but first we should check // if we haven't exceeded the maximum allowed number of cached instances // try to get the max cached plugins from a pref or use default PRUint32 max_num; nsresult rv; nsCOMPtr prefs = do_GetService(NS_PREF_CONTRACTID, &rv); if (prefs) rv = prefs->GetIntPref(NS_PREF_MAX_NUM_CACHED_PLUGINS,(int *)&max_num); if (NS_FAILED(rv)) max_num = DEFAULT_NUMBER_OF_STOPPED_PLUGINS; if(mActivePluginList.getStoppedCount() >= max_num) { nsActivePlugin * oldest = mActivePluginList.findOldestStopped(); if(oldest != nsnull) mActivePluginList.remove(oldest); } } } return NS_OK; } //////////////////////////////////////////////////////////////////////// /* Called by InstantiateEmbededPlugin() */ nsresult nsPluginHostImpl::NewEmbededPluginStream(nsIURI* aURL, nsIPluginInstanceOwner *aOwner, nsIPluginInstance* aInstance) { if (!aURL) return NS_OK; nsPluginStreamListenerPeer *listener = (nsPluginStreamListenerPeer *)new nsPluginStreamListenerPeer(); if (listener == nsnull) return NS_ERROR_OUT_OF_MEMORY; nsresult rv; // if we have an instance, everything has been set up // if we only have an owner, then we need to pass it in // so the listener can set up the instance later after // we've determined the mimetype of the stream if(aInstance != nsnull) rv = listener->InitializeEmbeded(aURL, aInstance); else if(aOwner != nsnull) rv = listener->InitializeEmbeded(aURL, nsnull, aOwner, (nsIPluginHost *)this); else rv = NS_ERROR_ILLEGAL_VALUE; if (NS_SUCCEEDED(rv)) { nsCOMPtr doc; nsCOMPtr loadGroup; if (aOwner) { rv = aOwner->GetDocument(getter_AddRefs(doc)); if (NS_SUCCEEDED(rv) && doc) { doc->GetDocumentLoadGroup(getter_AddRefs(loadGroup)); } } nsCOMPtr channel; rv = NS_NewChannel(getter_AddRefs(channel), aURL, nsnull, loadGroup, nsnull); if (NS_SUCCEEDED(rv)) { // if this is http channel, set referrer, some servers are configured // to reject requests without referrer set, see bug 157796 nsCOMPtr httpChannel(do_QueryInterface(channel)); if (httpChannel && doc) { nsCOMPtr referrerURL; if (NS_SUCCEEDED(doc->GetBaseURL(*getter_AddRefs(referrerURL)))) httpChannel->SetReferrer(referrerURL); } rv = channel->AsyncOpen(listener, nsnull); if (NS_SUCCEEDED(rv)) return NS_OK; } } delete listener; return rv; } //////////////////////////////////////////////////////////////////////// /* Called by InstantiateFullPagePlugin() */ nsresult nsPluginHostImpl::NewFullPagePluginStream(nsIStreamListener *&aStreamListener, nsIPluginInstance *aInstance) { nsPluginStreamListenerPeer *listener = (nsPluginStreamListenerPeer *)new nsPluginStreamListenerPeer(); if (listener == nsnull) return NS_ERROR_OUT_OF_MEMORY; nsresult rv; rv = listener->InitializeFullPage(aInstance); aStreamListener = (nsIStreamListener *)listener; NS_IF_ADDREF(listener); // add peer to list of stream peers for this instance nsActivePlugin * p = mActivePluginList.find(aInstance); if (p) { if (!p->mStreams && (NS_FAILED(rv = NS_NewISupportsArray(getter_AddRefs(p->mStreams))))) return rv; p->mStreams->AppendElement(aStreamListener); } return rv; } // nsIFileUtilities interface //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::GetProgramPath(const char* *result) { nsresult rv; NS_ENSURE_ARG_POINTER(result); *result = nsnull; nsCOMPtr dirService(do_GetService(kDirectoryServiceContractID, &rv)); if (NS_FAILED(rv)) return rv; nsCOMPtr programDir; rv = dirService->Get(NS_XPCOM_CURRENT_PROCESS_DIR, NS_GET_IID(nsILocalFile), getter_AddRefs(programDir)); if (NS_FAILED(rv)) return rv; nsCAutoString temp; rv = programDir->GetNativePath(temp); *result = ToNewCString(temp); return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::GetTempDirPath(const char* *result) { nsresult rv; NS_ENSURE_ARG_POINTER(result); *result = nsnull; nsCOMPtr dirService(do_GetService(kDirectoryServiceContractID, &rv)); if (NS_FAILED(rv)) return rv; nsCOMPtr tempDir; rv = dirService->Get(NS_OS_TEMP_DIR, NS_GET_IID(nsILocalFile), getter_AddRefs(tempDir)); if (NS_FAILED(rv)) return rv; nsCAutoString temp; rv = tempDir->GetNativePath(temp); *result = ToNewCString(temp); return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::NewTempFileName(const char* prefix, PRUint32 bufLen, char* resultBuf) { return NS_ERROR_NOT_IMPLEMENTED; } // nsICookieStorage interface //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::GetCookie(const char* inCookieURL, void* inOutCookieBuffer, PRUint32& inOutCookieSize) { nsresult rv = NS_ERROR_NOT_IMPLEMENTED; nsXPIDLCString cookieString; PRUint32 cookieStringLen = 0; nsCOMPtr uriIn; if ((nsnull == inCookieURL) || (0 >= inOutCookieSize)) { return NS_ERROR_INVALID_ARG; } nsCOMPtr ioService(do_GetService(kIOServiceCID, &rv)); if (NS_FAILED(rv) || (nsnull == ioService)) { return rv; } nsCOMPtr cookieService = do_GetService(kCookieServiceCID, &rv); if (NS_FAILED(rv) || (nsnull == cookieService)) { return NS_ERROR_INVALID_ARG; } // make an nsURI from the argument url rv = ioService->NewURI(nsDependentCString(inCookieURL), nsnull, nsnull, getter_AddRefs(uriIn)); if (NS_FAILED(rv)) { return rv; } rv = cookieService->GetCookieString(uriIn, getter_Copies(cookieString)); if (NS_FAILED(rv) || (!cookieString) || (inOutCookieSize <= (cookieStringLen = PL_strlen(cookieString.get())))) { return NS_ERROR_FAILURE; } PL_strcpy((char *) inOutCookieBuffer, cookieString.get()); inOutCookieSize = cookieStringLen; rv = NS_OK; return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::SetCookie(const char* inCookieURL, const void* inCookieBuffer, PRUint32 inCookieSize) { nsresult rv = NS_ERROR_NOT_IMPLEMENTED; nsCOMPtr uriIn; if ((nsnull == inCookieURL) || (nsnull == inCookieBuffer) || (0 >= inCookieSize)) { return NS_ERROR_INVALID_ARG; } nsCOMPtr ioService(do_GetService(kIOServiceCID, &rv)); if (NS_FAILED(rv) || (nsnull == ioService)) { return rv; } nsCOMPtr cookieService = do_GetService(kCookieServiceCID, &rv); if (NS_FAILED(rv) || (nsnull == cookieService)) { return NS_ERROR_FAILURE; } // make an nsURI from the argument url rv = ioService->NewURI(nsDependentCString(inCookieURL), nsnull, nsnull, getter_AddRefs(uriIn)); if (NS_FAILED(rv)) { return NS_ERROR_FAILURE; } nsCOMPtr prompt; GetPrompt(nsnull, getter_AddRefs(prompt)); char * cookie = (char *)inCookieBuffer; char c = cookie[inCookieSize]; cookie[inCookieSize] = '\0'; rv = cookieService->SetCookieString(uriIn, prompt, cookie,0); cookie[inCookieSize] = c; return rv; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *someData) { #ifdef NS_DEBUG printf("nsPluginHostImpl::Observe \"%s\"\n", aTopic ? aTopic : ""); #endif if (!nsCRT::strcmp("quit-application", aTopic)) { Destroy(); } else if (!nsCRT::strcmp(NS_XPCOM_SHUTDOWN_OBSERVER_ID, aTopic)) { UnloadUnusedLibraries(); } return NS_OK; } //////////////////////////////////////////////////////////////////////// NS_IMETHODIMP nsPluginHostImpl::HandleBadPlugin(PRLibrary* aLibrary, nsIPluginInstance *aInstance) { // the |aLibrary| parameter is not needed anymore, after we added |aInstance| which // can also be used to look up the plugin name, but we cannot get rid of it because // the |nsIPluginHost| interface is deprecated which in fact means 'frozen' nsresult rv = NS_OK; NS_ASSERTION(PR_FALSE, "Plugin performed illegal operation"); if(mDontShowBadPluginMessage) return rv; nsCOMPtr owner; if (aInstance) { nsCOMPtr peer; rv = aInstance->GetPeer(getter_AddRefs(peer)); if (NS_SUCCEEDED(rv) && peer) { nsCOMPtr privpeer(do_QueryInterface(peer)); privpeer->GetOwner(getter_AddRefs(owner)); } } nsCOMPtr prompt; GetPrompt(owner, getter_AddRefs(prompt)); if (prompt) { nsCOMPtr strings(do_GetService(kStringBundleServiceCID, &rv)); if (NS_FAILED(rv)) return rv; nsCOMPtr bundle; rv = strings->CreateBundle(PLUGIN_PROPERTIES_URL, getter_AddRefs(bundle)); if (NS_FAILED(rv)) return rv; nsXPIDLString title, message, checkboxMessage; if (NS_FAILED(rv = bundle->GetStringFromName(NS_LITERAL_STRING("BadPluginTitle").get(), getter_Copies(title)))) return rv; if (NS_FAILED(rv = bundle->GetStringFromName(NS_LITERAL_STRING("BadPluginMessage").get(), getter_Copies(message)))) return rv; if (NS_FAILED(rv = bundle->GetStringFromName(NS_LITERAL_STRING("BadPluginCheckboxMessage").get(), getter_Copies(checkboxMessage)))) return rv; // add plugin name to the message char * pluginname = nsnull; nsActivePlugin * p = mActivePluginList.find(aInstance); if (p) { nsPluginTag * tag = p->mPluginTag; if (tag) { if (tag->mName) pluginname = tag->mName; else pluginname = tag->mFileName; } } nsAutoString msg; msg.AssignWithConversion(pluginname); msg.Append(NS_LITERAL_STRING("\n\n")); msg.Append(message); PRInt32 buttonPressed; PRBool checkboxState = PR_FALSE; rv = prompt->ConfirmEx(title, msg.get(), nsIPrompt::BUTTON_TITLE_OK * nsIPrompt::BUTTON_POS_0, nsnull, nsnull, nsnull, checkboxMessage, &checkboxState, &buttonPressed); if (NS_SUCCEEDED(rv) && checkboxState) mDontShowBadPluginMessage = PR_TRUE; } return rv; } /** * nsPIPluginHost interface */ NS_IMETHODIMP nsPluginHostImpl::SetIsScriptableInstance(nsIPluginInstance * aPluginInstance, PRBool aScriptable) { nsActivePlugin * p = mActivePluginList.find(aPluginInstance); if(p == nsnull) return NS_ERROR_FAILURE; p->mXPConnected = aScriptable; if(p->mPluginTag) p->mPluginTag->mXPConnected = aScriptable; return NS_OK; } NS_IMETHODIMP nsPluginHostImpl::ParsePostBufferToFixHeaders( const char *inPostData, PRUint32 inPostDataLen, char **outPostData, PRUint32 *outPostDataLen) { if (!inPostData || !outPostData || !outPostDataLen) return NS_ERROR_NULL_POINTER; *outPostData = 0; *outPostDataLen = 0; const char CR = '\r'; const char LF = '\n'; const char CRLFCRLF[] = {CR,LF,CR,LF,'\0'}; // C string"\r\n\r\n" const char ContentLenHeader[] = "Content-length"; nsAutoVoidArray singleLF; const char *pSCntlh = 0;// pointer to start of ContentLenHeader in inPostData const char *pSod = 0; // pointer to start of data in inPostData const char *pEoh = 0; // pointer to end of headers in inPostData const char *pEod = inPostData + inPostDataLen; // pointer to end of inPostData if (*inPostData == LF) { // from 4.x spec http://developer.netscape.com/docs/manuals/communicator/plugin/pgfn2.htm#1007754 // If no custom headers are required, simply add a blank // line ('\n') to the beginning of the file or buffer. // so *inPostData == '\n' is valid pSod = inPostData + 1; } else { const char *s = inPostData; //tmp pointer to sourse inPostData while (s < pEod) { if (!pSCntlh && (*s == 'C' || *s == 'c') && (s + sizeof(ContentLenHeader) - 1 < pEod) && (!PL_strncasecmp(s, ContentLenHeader, sizeof(ContentLenHeader) - 1))) { // lets assume this is ContentLenHeader for now const char *p = pSCntlh = s; p += sizeof(ContentLenHeader) - 1; // search for first CR or LF == end of ContentLenHeader for (; p < pEod; p++) { if (*p == CR || *p == LF) { // got delimiter, // one more check; if previous char is a digit // most likely pSCntlh points to the start of ContentLenHeader if (*(p-1) >= '0' && *(p-1) <= '9') { s = p; } break; //for loop } } if (pSCntlh == s) { // curret ptr is the same pSCntlh = 0; // that was not ContentLenHeader break; // there is nothing to parse, break *WHILE LOOP* here } } if (*s == CR) { if (pSCntlh && // only if ContentLenHeader is found we are looking for end of headers ((s + sizeof(CRLFCRLF)-1) <= pEod) && !memcmp(s, CRLFCRLF, sizeof(CRLFCRLF)-1)) { s += sizeof(CRLFCRLF)-1; pEoh = pSod = s; // data stars here break; } } else if (*s == LF) { if (*(s-1) != CR) { singleLF.AppendElement((void*)s); } if (pSCntlh && (s+1 < pEod) && (*(s+1) == LF)) { s++; singleLF.AppendElement((void*)s); s++; pEoh = pSod = s; // data stars here break; } } s++; } } // deal with output buffer if (!pSod) { // lets assume whole buffer is a data pSod = inPostData; } PRUint32 newBufferLen = 0; PRUint32 dataLen = pEod - pSod; PRUint32 headersLen = pEoh ? pSod - inPostData : 0; char *p; // tmp ptr into new output buf if (headersLen) { // we got a headers // this function does not make any assumption on correctness // of ContentLenHeader value in this case. newBufferLen = dataLen + headersLen; // in case there were single LFs in headers // reserve an extra space for CR will be added before each single LF int cntSingleLF = singleLF.Count(); newBufferLen += cntSingleLF; if (!(*outPostData = p = (char*)nsMemory::Alloc(newBufferLen))) return NS_ERROR_OUT_OF_MEMORY; // deal with single LF const char *s = inPostData; if (cntSingleLF) { for (int i=0; i inFile; rv = NS_GetFileFromURLSpec(nsDependentCString(postDataURL), getter_AddRefs(inFile)); if (NS_FAILED(rv)) { nsCOMPtr localFile; rv = NS_NewNativeLocalFile(nsDependentCString(postDataURL), PR_FALSE, getter_AddRefs(localFile)); if (NS_FAILED(rv)) return rv; inFile = localFile; } rv = inFile->GetFileSize(&fileSize); if (NS_FAILED(rv)) return rv; rv = inFile->GetNativePath(filename); if (NS_FAILED(rv)) return rv; if (!LL_IS_ZERO(fileSize)) { nsCOMPtr inStream; rv = NS_NewLocalFileInputStream(getter_AddRefs(inStream), inFile); if (NS_FAILED(rv)) return rv; // Create a temporary file to write the http Content-length: %ld\r\n\" header // and "\r\n" == end of headers for post data to nsCOMPtr tempFile; rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(tempFile)); if (NS_FAILED(rv)) return rv; rv = tempFile->AppendNative(kPluginTmpDirName); if (NS_FAILED(rv)) return rv; PRBool dirExists; tempFile->Exists(&dirExists); if (!dirExists) (void) tempFile->Create(nsIFile::DIRECTORY_TYPE, 0777); nsCAutoString inFileName; inFile->GetNativeLeafName(inFileName); // XXX hack around bug 70083 inFileName.Insert(NS_LITERAL_CSTRING("post-"), 0); rv = tempFile->AppendNative(inFileName); if (NS_FAILED(rv)) return rv; // make it unique, and mode == 0600, not world-readable rv = tempFile->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 0600); if (NS_FAILED(rv)) return rv; nsCOMPtr outStream; if (NS_SUCCEEDED(rv)) { rv = NS_NewLocalFileOutputStream(getter_AddRefs(outStream), tempFile, (PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE), 0600); // 600 so others can't read our form data } NS_ASSERTION(NS_SUCCEEDED(rv), "Post data file couldn't be created!"); if (NS_FAILED(rv)) return rv; char buf[1024]; PRUint32 br, bw; PRBool firstRead = PR_TRUE; while (1) { // Read() mallocs if buffer is null rv = inStream->Read(buf, 1024, &br); if (NS_FAILED(rv) || (PRInt32)br <= 0) break; if (firstRead) { // according to the 4.x spec // http://developer.netscape.com/docs/manuals/communicator/plugin/pgfn2.htm#1007707 //"For protocols in which the headers must be distinguished from the body, // such as HTTP, the buffer or file should contain the headers, followed by // a blank line, then the body. If no custom headers are required, simply // add a blank line ('\n') to the beginning of the file or buffer. char *parsedBuf; // assuming first 1K (or what we got) has all headers in, // lets parse it through nsPluginHostImpl::ParsePostBufferToFixHeaders() ParsePostBufferToFixHeaders((const char *)buf, br, &parsedBuf, &bw); rv = outStream->Write(parsedBuf, bw, &br); nsMemory::Free(parsedBuf); if (NS_FAILED(rv) || (bw != br)) break; firstRead = PR_FALSE; continue; } bw = br; rv = outStream->Write(buf, bw, &br); if (NS_FAILED(rv) || (bw != br)) break; } inStream->Close(); outStream->Close(); if (NS_SUCCEEDED(rv)) { nsCAutoString path; if (NS_SUCCEEDED(tempFile->GetNativePath(path))) *pTmpFileName = ToNewCString(path); } } return rv; } NS_IMETHODIMP nsPluginHostImpl::NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow) { return PLUG_NewPluginNativeWindow(aPluginNativeWindow); } NS_IMETHODIMP nsPluginHostImpl::DeletePluginNativeWindow(nsPluginNativeWindow * aPluginNativeWindow) { return PLUG_DeletePluginNativeWindow(aPluginNativeWindow); } /* ----- end of nsPIPluginHost implementation ----- */ nsresult nsPluginHostImpl::ScanForRealInComponentsFolder(nsIComponentManager * aCompManager) { nsresult rv = NS_OK; #ifdef XP_WIN // First, lets check if we already have Real. No point in doing this if it's installed correctly if (NS_SUCCEEDED(IsPluginEnabledForType("audio/x-pn-realaudio-plugin"))) return rv; // Next, maybe the pref wants to override nsCOMPtr prefs = do_GetService(NS_PREF_CONTRACTID); PRBool bSkipRealPlayerHack = PR_FALSE; if (!prefs || (NS_SUCCEEDED(prefs->GetBoolPref("plugin.skip_real_player_hack", &bSkipRealPlayerHack)) && bSkipRealPlayerHack)) return rv; // now we need the XPCOM components folder nsCOMPtr RealPlugin; if (NS_FAILED(NS_GetSpecialDirectory(NS_XPCOM_COMPONENT_DIR, getter_AddRefs(RealPlugin))) || !RealPlugin) return rv; // make sure the file is actually there RealPlugin->AppendNative(nsDependentCString("nppl3260.dll")); PRBool exists; nsCAutoString filePath; RealPlugin->Exists(&exists); if (!exists || NS_FAILED(RealPlugin->GetNativePath(filePath))) return rv; // now make sure it's a plugin nsCOMPtr localfile; NS_NewNativeLocalFile(filePath, PR_TRUE, getter_AddRefs(localfile)); if (!nsPluginsDir::IsPluginFile(localfile)) return rv; // try to get the mime info and descriptions out of the plugin nsPluginFile pluginFile(localfile); nsPluginInfo info = { sizeof(info) }; if (NS_FAILED(pluginFile.GetPluginInfo(info))) return rv; nsCOMPtr compManager = do_GetService(kComponentManagerCID, &rv); // finally, create our "plugin tag" and add it to the list if (info.fMimeTypeArray) { nsPluginTag *pluginTag = new nsPluginTag(&info); if (pluginTag) { pluginTag->SetHost(this); pluginTag->mNext = mPlugins; mPlugins = pluginTag; // last thing we need is to register this plugin with layout so it can be used in full-page mode pluginTag->RegisterWithCategoryManager(mOverrideInternalTypes); } } // free allocated strings in GetPluginInfo pluginFile.FreePluginInfo(info); #endif return rv; } nsresult nsPluginHostImpl::AddUnusedLibrary(PRLibrary * aLibrary) { if (mUnusedLibraries.IndexOf(aLibrary) == -1) // don't add duplicates mUnusedLibraries.AppendElement(aLibrary); return NS_OK; } //////////////////////////////////////////////////////////////////////////////////// nsresult nsPluginStreamListenerPeer::ServeStreamAsFile(nsIRequest *request, nsISupports* aContext) { if (!mInstance) return NS_ERROR_FAILURE; // mInstance->Stop calls mPStreamListener->CleanUpStream(), so stream will be properly clean up mInstance->Stop(); mInstance->Start(); nsCOMPtr peer; mInstance->GetPeer(getter_AddRefs(peer)); if (peer) { nsCOMPtr privpeer(do_QueryInterface(peer)); nsCOMPtr owner; privpeer->GetOwner(getter_AddRefs(owner)); if (owner) { nsPluginWindow *window = nsnull; owner->GetWindow(window); if (window->window) mInstance->SetWindow(window); } } mPluginStreamInfo->SetSeekable(0); mPStreamListener->OnStartBinding((nsIPluginStreamInfo*)mPluginStreamInfo); mPluginStreamInfo->SetStreamOffset(0); // force the plugin use stream as file mStreamType = nsPluginStreamType_AsFile; // then check it out if browser cache is not available nsCOMPtr cacheChannel = do_QueryInterface(request); if (!(cacheChannel && (NS_SUCCEEDED(cacheChannel->SetCacheAsFile(PR_TRUE))))) { nsCOMPtr channel = do_QueryInterface(request); if (channel) { SetupPluginCacheFile(channel); } } // unset mPendingRequests mPendingRequests = 0; return NS_OK; } ////////////////////////////////////////////////////////////////////// NS_IMPL_ISUPPORTS1(nsPluginByteRangeStreamListener, nsIStreamListener) nsPluginByteRangeStreamListener::nsPluginByteRangeStreamListener(nsIWeakReference* aWeakPtr) { mWeakPtrPluginStreamListenerPeer = aWeakPtr; mRemoveMagicNumber = PR_FALSE; } nsPluginByteRangeStreamListener::~nsPluginByteRangeStreamListener() { mStreamConverter = 0; mWeakPtrPluginStreamListenerPeer = 0; } NS_IMETHODIMP nsPluginByteRangeStreamListener::OnStartRequest(nsIRequest *request, nsISupports *ctxt) { nsresult rv; nsCOMPtr finalStreamListener = do_QueryReferent(mWeakPtrPluginStreamListenerPeer); if (!finalStreamListener) return NS_ERROR_FAILURE; nsCOMPtr serv = do_GetService(kStreamConverterServiceCID, &rv); if (NS_SUCCEEDED(rv)) { rv = serv->AsyncConvertData(NS_LITERAL_STRING(MULTIPART_BYTERANGES).get(), NS_LITERAL_STRING("*/*").get(), finalStreamListener, nsnull, getter_AddRefs(mStreamConverter)); if (NS_SUCCEEDED(rv)) { rv = mStreamConverter->OnStartRequest(request, ctxt); if (NS_SUCCEEDED(rv)) return rv; } } mStreamConverter = 0; nsCOMPtr httpChannel(do_QueryInterface(request)); if (!httpChannel) { return NS_ERROR_FAILURE; } PRUint32 responseCode = 0; rv = httpChannel->GetResponseStatus(&responseCode); if (NS_FAILED(rv) || responseCode != 200) { return NS_ERROR_FAILURE; } // if server cannot continue with byte range (206 status) and sending us whole object (200 status) // reset this seekable stream & try serve it to plugin instance as a file mStreamConverter = finalStreamListener; mRemoveMagicNumber = PR_TRUE; //get nsPluginStreamListenerPeer* ptr from finalStreamListener nsPluginStreamListenerPeer *pslp = NS_REINTERPRET_CAST(nsPluginStreamListenerPeer*, finalStreamListener.get()); rv = pslp->ServeStreamAsFile(request, ctxt); return rv; } NS_IMETHODIMP nsPluginByteRangeStreamListener::OnStopRequest(nsIRequest *request, nsISupports *ctxt, nsresult status) { if (!mStreamConverter) return NS_ERROR_FAILURE; nsCOMPtr finalStreamListener = do_QueryReferent(mWeakPtrPluginStreamListenerPeer); if (!finalStreamListener) return NS_ERROR_FAILURE; if (mRemoveMagicNumber) { // remove magic number from container nsCOMPtr container = do_QueryInterface(ctxt); if (container) { PRUint32 magicNumber = 0; container->GetData(&magicNumber); if (magicNumber == MAGIC_REQUEST_CONTEXT) { // to allow properly finish nsPluginStreamListenerPeer->OnStopRequest() // set it to something that is not the magic number. container->SetData(0); } } else { NS_WARNING("Bad state of nsPluginByteRangeStreamListener"); } } return mStreamConverter->OnStopRequest(request, ctxt, status); } NS_IMETHODIMP nsPluginByteRangeStreamListener::OnDataAvailable(nsIRequest *request, nsISupports *ctxt, nsIInputStream *inStr, PRUint32 sourceOffset, PRUint32 count) { if (!mStreamConverter) return NS_ERROR_FAILURE; nsCOMPtr finalStreamListener = do_QueryReferent(mWeakPtrPluginStreamListenerPeer); if (!finalStreamListener) return NS_ERROR_FAILURE; return mStreamConverter->OnDataAvailable(request, ctxt, inStr, sourceOffset, count); } PRBool nsPluginStreamInfo::UseExistingPluginCacheFile(nsPluginStreamInfo* psi) { NS_ENSURE_ARG_POINTER(psi); if ( psi->mLength == mLength && psi->mModified == mModified && mStreamComplete && !PL_strcmp(psi->mURL, mURL)) { return PR_TRUE; } return PR_FALSE; } void nsPluginStreamInfo::SetStreamComplete(const PRBool complete) { mStreamComplete = complete; }