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fune/dom/plugins/base/nsNPAPIPlugin.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Josh Aas <josh@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifdef MOZ_WIDGET_QT
#include <QX11Info>
#endif
#include "base/basictypes.h"
#include "prtypes.h"
#include "prmem.h"
#include "prenv.h"
#include "prclist.h"
#include "jscntxt.h"
#include "nsPluginHost.h"
#include "nsNPAPIPlugin.h"
#include "nsNPAPIPluginInstance.h"
#include "nsNPAPIPluginStreamListener.h"
#include "nsIServiceManager.h"
#include "nsThreadUtils.h"
#include "nsIPrivateBrowsingService.h"
#include "nsIPluginStreamListener.h"
#include "nsPluginsDir.h"
#include "nsPluginSafety.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch.h"
#include "nsPluginLogging.h"
#include "nsIJSContextStack.h"
#include "nsIDOMElement.h"
#include "nsIDOMDocument.h"
#include "nsPIDOMWindow.h"
#include "nsIDocument.h"
#include "nsIContent.h"
#include "nsIScriptGlobalObject.h"
#include "nsIScriptContext.h"
#include "nsIUnicodeNormalizer.h"
#include "nsDOMJSUtils.h"
#include "nsIPrincipal.h"
#include "nsWildCard.h"
#include "nsContentUtils.h"
#include "nsIXPConnect.h"
#include "nsIObserverService.h"
#include <prinrval.h>
#ifdef MOZ_WIDGET_COCOA
#include <Carbon/Carbon.h>
#include <ApplicationServices/ApplicationServices.h>
#include <OpenGL/OpenGL.h>
#endif
// needed for nppdf plugin
#ifdef MOZ_WIDGET_GTK2
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include "gtk2xtbin.h"
#endif
#ifdef XP_OS2
#define INCL_DOS
#define INCL_DOSERRORS
#include <os2.h>
#endif
#include "nsJSNPRuntime.h"
#include "nsIHttpAuthManager.h"
#include "nsICookieService.h"
#include "nsNetUtil.h"
#include "mozilla/Mutex.h"
#include "mozilla/PluginLibrary.h"
using mozilla::PluginLibrary;
#include "mozilla/PluginPRLibrary.h"
using mozilla::PluginPRLibrary;
#include "mozilla/plugins/PluginModuleParent.h"
using mozilla::plugins::PluginModuleParent;
#ifdef MOZ_X11
#include "mozilla/X11Util.h"
#endif
#ifdef XP_WIN
#include <windows.h>
#endif
using namespace mozilla;
using namespace mozilla::plugins::parent;
// We should make this const...
static NPNetscapeFuncs sBrowserFuncs = {
sizeof(sBrowserFuncs),
(NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR,
_geturl,
_posturl,
_requestread,
_newstream,
_write,
_destroystream,
_status,
_useragent,
_memalloc,
_memfree,
_memflush,
_reloadplugins,
_getJavaEnv,
_getJavaPeer,
_geturlnotify,
_posturlnotify,
_getvalue,
_setvalue,
_invalidaterect,
_invalidateregion,
_forceredraw,
_getstringidentifier,
_getstringidentifiers,
_getintidentifier,
_identifierisstring,
_utf8fromidentifier,
_intfromidentifier,
_createobject,
_retainobject,
_releaseobject,
_invoke,
_invokeDefault,
_evaluate,
_getproperty,
_setproperty,
_removeproperty,
_hasproperty,
_hasmethod,
_releasevariantvalue,
_setexception,
_pushpopupsenabledstate,
_poppopupsenabledstate,
_enumerate,
_pluginthreadasynccall,
_construct,
_getvalueforurl,
_setvalueforurl,
_getauthenticationinfo,
_scheduletimer,
_unscheduletimer,
_popupcontextmenu,
_convertpoint,
NULL, // handleevent, unimplemented
NULL, // unfocusinstance, unimplemented
_urlredirectresponse
};
static Mutex *sPluginThreadAsyncCallLock = nsnull;
static PRCList sPendingAsyncCalls = PR_INIT_STATIC_CLIST(&sPendingAsyncCalls);
// POST/GET stream type
enum eNPPStreamTypeInternal {
eNPPStreamTypeInternal_Get,
eNPPStreamTypeInternal_Post
};
static NS_DEFINE_IID(kMemoryCID, NS_MEMORY_CID);
// This function sends a notification using the observer service to any object
// registered to listen to the "experimental-notify-plugin-call" subject.
// Each "experimental-notify-plugin-call" notification carries with it the run
// time value in milliseconds that the call took to execute.
void NS_NotifyPluginCall(PRIntervalTime startTime)
{
PRIntervalTime endTime = PR_IntervalNow() - startTime;
nsCOMPtr<nsIObserverService> notifyUIService =
mozilla::services::GetObserverService();
if (!notifyUIService)
return;
float runTimeInSeconds = float(endTime) / PR_TicksPerSecond();
nsAutoString runTimeString;
runTimeString.AppendFloat(runTimeInSeconds);
const PRUnichar* runTime = runTimeString.get();
notifyUIService->NotifyObservers(nsnull, "experimental-notify-plugin-call",
runTime);
}
static void CheckClassInitialized()
{
static PRBool initialized = PR_FALSE;
if (initialized)
return;
if (!sPluginThreadAsyncCallLock)
sPluginThreadAsyncCallLock = new Mutex("nsNPAPIPlugin.sPluginThreadAsyncCallLock");
initialized = PR_TRUE;
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,("NPN callbacks initialized\n"));
}
NS_IMPL_ISUPPORTS0(nsNPAPIPlugin)
nsNPAPIPlugin::nsNPAPIPlugin()
{
memset((void*)&mPluginFuncs, 0, sizeof(mPluginFuncs));
mPluginFuncs.size = sizeof(mPluginFuncs);
mPluginFuncs.version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
mLibrary = nsnull;
}
nsNPAPIPlugin::~nsNPAPIPlugin()
{
delete mLibrary;
mLibrary = nsnull;
}
void
nsNPAPIPlugin::PluginCrashed(const nsAString& pluginDumpID,
const nsAString& browserDumpID)
{
nsRefPtr<nsPluginHost> host = dont_AddRef(nsPluginHost::GetInst());
host->PluginCrashed(this, pluginDumpID, browserDumpID);
}
#if defined(XP_MACOSX) && defined(__i386__)
static PRInt32 OSXVersion()
{
static PRInt32 gOSXVersion = 0x0;
if (gOSXVersion == 0x0) {
OSErr err = ::Gestalt(gestaltSystemVersion, (SInt32*)&gOSXVersion);
if (err != noErr) {
// This should probably be changed when our minimum version changes
NS_ERROR("Couldn't determine OS X version, assuming 10.5");
gOSXVersion = 0x00001050;
}
}
return gOSXVersion;
}
// Detects machines with Intel GMA9xx GPUs.
// kCGLRendererIDMatchingMask and kCGLRendererIntel900ID are only defined in the 10.6 SDK.
#define CGLRendererIDMatchingMask 0x00FE7F00
#define CGLRendererIntel900ID 0x00024000
static PRBool GMA9XXGraphics()
{
bool hasIntelGMA9XX = PR_FALSE;
CGLRendererInfoObj renderer = 0;
GLint rendererCount = 0;
if (::CGLQueryRendererInfo(0xffffffff, &renderer, &rendererCount) == kCGLNoError) {
for (GLint c = 0; c < rendererCount; c++) {
GLint rendProp = 0;
if (::CGLDescribeRenderer(renderer, c, kCGLRPRendererID, &rendProp) == kCGLNoError) {
if ((rendProp & CGLRendererIDMatchingMask) == CGLRendererIntel900ID) {
hasIntelGMA9XX = PR_TRUE;
break;
}
}
}
::CGLDestroyRendererInfo(renderer);
}
return hasIntelGMA9XX;
}
#endif
PRBool
nsNPAPIPlugin::RunPluginOOP(const nsPluginTag *aPluginTag)
{
if (PR_GetEnv("MOZ_DISABLE_OOP_PLUGINS")) {
return PR_FALSE;
}
if (!aPluginTag) {
return PR_FALSE;
}
#if defined(XP_MACOSX) && defined(__i386__)
// Only allow on Mac OS X 10.6 or higher.
if (OSXVersion() < 0x00001060) {
return PR_FALSE;
}
// Blacklist Flash 10.0 or lower since it may try to negotiate Carbon/Quickdraw
// which are not supported out of process. Also blacklist Flash 10.1 if this
// machine has an Intel GMA9XX GPU because Flash will negotiate Quickdraw graphics.
// Never blacklist Flash >= 10.2.
if (aPluginTag->mFileName.EqualsIgnoreCase("flash player.plugin")) {
// If the first '.' is before position 2 or the version
// starts with 10.0 then we are dealing with Flash 10 or less.
if (aPluginTag->mVersion.FindChar('.') < 2) {
return PR_FALSE;
}
if (aPluginTag->mVersion.Length() >= 4) {
nsCString versionPrefix;
aPluginTag->mVersion.Left(versionPrefix, 4);
if (versionPrefix.EqualsASCII("10.0")) {
return PR_FALSE;
}
if (versionPrefix.EqualsASCII("10.1") && GMA9XXGraphics()) {
return PR_FALSE;
}
}
}
#endif
#ifdef XP_WIN
OSVERSIONINFO osVerInfo = {0};
osVerInfo.dwOSVersionInfoSize = sizeof(osVerInfo);
GetVersionEx(&osVerInfo);
// Always disabled on 2K or less. (bug 536303)
if (osVerInfo.dwMajorVersion < 5 ||
(osVerInfo.dwMajorVersion == 5 && osVerInfo.dwMinorVersion == 0))
return PR_FALSE;
#endif
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
if (!prefs) {
return PR_FALSE;
}
// Get per-library whitelist/blacklist pref string
// "dom.ipc.plugins.enabled.filename.dll" and fall back to the default value
// of "dom.ipc.plugins.enabled"
// The "filename.dll" part can contain shell wildcard pattern
nsCAutoString prefFile(aPluginTag->mFullPath.get());
PRInt32 slashPos = prefFile.RFindCharInSet("/\\");
if (kNotFound == slashPos)
return PR_FALSE;
prefFile.Cut(0, slashPos + 1);
ToLowerCase(prefFile);
#ifdef XP_MACOSX
#if defined(__i386__)
nsCAutoString prefGroupKey("dom.ipc.plugins.enabled.i386.");
#elif defined(__x86_64__)
nsCAutoString prefGroupKey("dom.ipc.plugins.enabled.x86_64.");
#elif defined(__ppc__)
nsCAutoString prefGroupKey("dom.ipc.plugins.enabled.ppc.");
#endif
#else
nsCAutoString prefGroupKey("dom.ipc.plugins.enabled.");
#endif
// Java plugins include a number of different file names,
// so use the mime type (mIsJavaPlugin) and a special pref.
PRBool javaIsEnabled;
if (aPluginTag->mIsJavaPlugin &&
NS_SUCCEEDED(prefs->GetBoolPref("dom.ipc.plugins.java.enabled", &javaIsEnabled)) &&
!javaIsEnabled) {
return PR_FALSE;
}
PRUint32 prefCount;
char** prefNames;
nsresult rv = prefs->GetChildList(prefGroupKey.get(),
&prefCount, &prefNames);
PRBool oopPluginsEnabled = PR_FALSE;
PRBool prefSet = PR_FALSE;
if (NS_SUCCEEDED(rv) && prefCount > 0) {
PRUint32 prefixLength = prefGroupKey.Length();
for (PRUint32 currentPref = 0; currentPref < prefCount; currentPref++) {
// Get the mask
const char* maskStart = prefNames[currentPref] + prefixLength;
PRBool match = PR_FALSE;
int valid = NS_WildCardValid(maskStart);
if (valid == INVALID_SXP) {
continue;
}
else if(valid == NON_SXP) {
// mask is not a shell pattern, compare it as normal string
match = (strcmp(prefFile.get(), maskStart) == 0);
}
else {
match = (NS_WildCardMatch(prefFile.get(), maskStart, 0) == MATCH);
}
if (match && NS_SUCCEEDED(prefs->GetBoolPref(prefNames[currentPref],
&oopPluginsEnabled))) {
prefSet = PR_TRUE;
break;
}
}
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(prefCount, prefNames);
}
if (!prefSet) {
oopPluginsEnabled = PR_FALSE;
#ifdef XP_MACOSX
#if defined(__i386__)
prefs->GetBoolPref("dom.ipc.plugins.enabled.i386", &oopPluginsEnabled);
#elif defined(__x86_64__)
prefs->GetBoolPref("dom.ipc.plugins.enabled.x86_64", &oopPluginsEnabled);
#elif defined(__ppc__)
prefs->GetBoolPref("dom.ipc.plugins.enabled.ppc", &oopPluginsEnabled);
#endif
#else
prefs->GetBoolPref("dom.ipc.plugins.enabled", &oopPluginsEnabled);
#endif
}
return oopPluginsEnabled;
}
inline PluginLibrary*
GetNewPluginLibrary(nsPluginTag *aPluginTag)
{
if (!aPluginTag) {
return nsnull;
}
if (nsNPAPIPlugin::RunPluginOOP(aPluginTag)) {
return PluginModuleParent::LoadModule(aPluginTag->mFullPath.get());
}
return new PluginPRLibrary(aPluginTag->mFullPath.get(), aPluginTag->mLibrary);
}
// Creates an nsNPAPIPlugin object. One nsNPAPIPlugin object exists per plugin (not instance).
nsresult
nsNPAPIPlugin::CreatePlugin(nsPluginTag *aPluginTag, nsNPAPIPlugin** aResult)
{
*aResult = nsnull;
if (!aPluginTag) {
return NS_ERROR_FAILURE;
}
CheckClassInitialized();
nsRefPtr<nsNPAPIPlugin> plugin = new nsNPAPIPlugin();
if (!plugin)
return NS_ERROR_OUT_OF_MEMORY;
PluginLibrary* pluginLib = GetNewPluginLibrary(aPluginTag);
if (!pluginLib) {
return NS_ERROR_FAILURE;
}
#ifdef XP_MACOSX
if (!pluginLib->HasRequiredFunctions()) {
NS_WARNING("Not all necessary functions exposed by plugin, it will not load.");
return NS_ERROR_FAILURE;
}
#endif
plugin->mLibrary = pluginLib;
pluginLib->SetPlugin(plugin);
NPError pluginCallError;
nsresult rv;
// Exchange NPAPI entry points.
#if defined(XP_WIN) || defined(XP_OS2)
// NP_GetEntryPoints must be called before NP_Initialize on Windows.
rv = pluginLib->NP_GetEntryPoints(&plugin->mPluginFuncs, &pluginCallError);
if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
return NS_ERROR_FAILURE;
}
// NP_Initialize must be called after NP_GetEntryPoints on Windows.
rv = pluginLib->NP_Initialize(&sBrowserFuncs, &pluginCallError);
if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
return NS_ERROR_FAILURE;
}
#elif defined(XP_MACOSX)
// NP_Initialize must be called before NP_GetEntryPoints on Mac OS X.
// We need to match WebKit's behavior.
rv = pluginLib->NP_Initialize(&sBrowserFuncs, &pluginCallError);
if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
return NS_ERROR_FAILURE;
}
rv = pluginLib->NP_GetEntryPoints(&plugin->mPluginFuncs, &pluginCallError);
if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
return NS_ERROR_FAILURE;
}
#else
rv = pluginLib->NP_Initialize(&sBrowserFuncs, &plugin->mPluginFuncs, &pluginCallError);
if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
return NS_ERROR_FAILURE;
}
#endif
*aResult = plugin.forget().get();
return NS_OK;
}
PluginLibrary*
nsNPAPIPlugin::GetLibrary()
{
return mLibrary;
}
NPPluginFuncs*
nsNPAPIPlugin::PluginFuncs()
{
return &mPluginFuncs;
}
nsresult
nsNPAPIPlugin::CreatePluginInstance(nsNPAPIPluginInstance **aResult)
{
if (!aResult)
return NS_ERROR_NULL_POINTER;
*aResult = NULL;
nsRefPtr<nsNPAPIPluginInstance> inst = new nsNPAPIPluginInstance(this);
if (!inst)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(inst);
*aResult = inst;
return NS_OK;
}
nsresult
nsNPAPIPlugin::Shutdown()
{
NPP_PLUGIN_LOG(PLUGIN_LOG_BASIC,
("NPP Shutdown to be called: this=%p\n", this));
NPError shutdownError;
mLibrary->NP_Shutdown(&shutdownError);
return NS_OK;
}
// Create a new NPP GET or POST (given in the type argument) url
// stream that may have a notify callback
NPError
MakeNewNPAPIStreamInternal(NPP npp, const char *relativeURL, const char *target,
eNPPStreamTypeInternal type,
PRBool bDoNotify = PR_FALSE,
void *notifyData = nsnull, uint32_t len = 0,
const char *buf = nsnull, NPBool file = PR_FALSE)
{
if (!npp)
return NPERR_INVALID_INSTANCE_ERROR;
PluginDestructionGuard guard(npp);
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
if (!inst || !inst->IsRunning())
return NPERR_INVALID_INSTANCE_ERROR;
nsCOMPtr<nsIPluginHost> pluginHostCOM = do_GetService(MOZ_PLUGIN_HOST_CONTRACTID);
nsPluginHost *pluginHost = static_cast<nsPluginHost*>(pluginHostCOM.get());
if (!pluginHost) {
return NPERR_GENERIC_ERROR;
}
nsCOMPtr<nsIPluginStreamListener> listener;
// Set aCallNotify here to false. If pluginHost->GetURL or PostURL fail,
// the listener's destructor will do the notification while we are about to
// return a failure code.
// Call SetCallNotify(true) below after we are sure we cannot return a failure
// code.
if (!target) {
inst->NewStreamListener(relativeURL, notifyData,
getter_AddRefs(listener));
if (listener) {
static_cast<nsNPAPIPluginStreamListener*>(listener.get())->SetCallNotify(PR_FALSE);
}
}
switch (type) {
case eNPPStreamTypeInternal_Get:
{
if (NS_FAILED(pluginHost->GetURL(inst, relativeURL, target, listener,
NULL, NULL, false)))
return NPERR_GENERIC_ERROR;
break;
}
case eNPPStreamTypeInternal_Post:
{
if (NS_FAILED(pluginHost->PostURL(inst, relativeURL, len, buf, file, target, listener, NULL, NULL, false, 0, NULL)))
return NPERR_GENERIC_ERROR;
break;
}
default:
NS_ERROR("how'd I get here");
}
if (listener) {
// SetCallNotify(bDoNotify) here, see comment above.
static_cast<nsNPAPIPluginStreamListener*>(listener.get())->SetCallNotify(bDoNotify);
}
return NPERR_NO_ERROR;
}
#if defined(MOZ_MEMORY_WINDOWS)
extern "C" size_t malloc_usable_size(const void *ptr);
#endif
namespace {
static char *gNPPException;
// A little helper class used to wrap up plugin manager streams (that is,
// streams from the plugin to the browser).
class nsNPAPIStreamWrapper : nsISupports
{
public:
NS_DECL_ISUPPORTS
protected:
nsIOutputStream *fStream;
NPStream fNPStream;
public:
nsNPAPIStreamWrapper(nsIOutputStream* stream);
~nsNPAPIStreamWrapper();
void GetStream(nsIOutputStream* &result);
NPStream* GetNPStream() { return &fNPStream; }
};
class nsPluginThreadRunnable : public nsRunnable,
public PRCList
{
public:
nsPluginThreadRunnable(NPP instance, PluginThreadCallback func,
void *userData);
virtual ~nsPluginThreadRunnable();
NS_IMETHOD Run();
PRBool IsForInstance(NPP instance)
{
return (mInstance == instance);
}
void Invalidate()
{
mFunc = nsnull;
}
PRBool IsValid()
{
return (mFunc != nsnull);
}
private:
NPP mInstance;
PluginThreadCallback mFunc;
void *mUserData;
};
static nsIDocument *
GetDocumentFromNPP(NPP npp)
{
NS_ENSURE_TRUE(npp, nsnull);
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)npp->ndata;
NS_ENSURE_TRUE(inst, nsnull);
PluginDestructionGuard guard(inst);
nsCOMPtr<nsIPluginInstanceOwner> owner;
inst->GetOwner(getter_AddRefs(owner));
NS_ENSURE_TRUE(owner, nsnull);
nsCOMPtr<nsIDocument> doc;
owner->GetDocument(getter_AddRefs(doc));
return doc;
}
static JSContext *
GetJSContextFromDoc(nsIDocument *doc)
{
nsIScriptGlobalObject *sgo = doc->GetScriptGlobalObject();
NS_ENSURE_TRUE(sgo, nsnull);
nsIScriptContext *scx = sgo->GetContext();
NS_ENSURE_TRUE(scx, nsnull);
return (JSContext *)scx->GetNativeContext();
}
static JSContext *
GetJSContextFromNPP(NPP npp)
{
nsIDocument *doc = GetDocumentFromNPP(npp);
NS_ENSURE_TRUE(doc, nsnull);
return GetJSContextFromDoc(doc);
}
static NPIdentifier
doGetIdentifier(JSContext *cx, const NPUTF8* name)
{
NS_ConvertUTF8toUTF16 utf16name(name);
JSString *str = ::JS_InternUCStringN(cx, (jschar *)utf16name.get(),
utf16name.Length());
if (!str)
return NULL;
return StringToNPIdentifier(cx, str);
}
#if defined(MOZ_MEMORY_WINDOWS)
BOOL
InHeap(HANDLE hHeap, LPVOID lpMem)
{
BOOL success = FALSE;
PROCESS_HEAP_ENTRY he;
he.lpData = NULL;
while (HeapWalk(hHeap, &he) != 0) {
if (he.lpData == lpMem) {
success = TRUE;
break;
}
}
HeapUnlock(hHeap);
return success;
}
#endif
} /* anonymous namespace */
NS_IMPL_ISUPPORTS1(nsNPAPIStreamWrapper, nsISupports)
nsNPAPIStreamWrapper::nsNPAPIStreamWrapper(nsIOutputStream* stream)
: fStream(stream)
{
NS_ASSERTION(stream, "bad stream");
fStream = stream;
NS_ADDREF(fStream);
memset(&fNPStream, 0, sizeof(fNPStream));
fNPStream.ndata = (void*) this;
}
nsNPAPIStreamWrapper::~nsNPAPIStreamWrapper()
{
fStream->Close();
NS_IF_RELEASE(fStream);
}
void
nsNPAPIStreamWrapper::GetStream(nsIOutputStream* &result)
{
result = fStream;
NS_IF_ADDREF(fStream);
}
NPPExceptionAutoHolder::NPPExceptionAutoHolder()
: mOldException(gNPPException)
{
gNPPException = nsnull;
}
NPPExceptionAutoHolder::~NPPExceptionAutoHolder()
{
NS_ASSERTION(!gNPPException, "NPP exception not properly cleared!");
gNPPException = mOldException;
}
nsPluginThreadRunnable::nsPluginThreadRunnable(NPP instance,
PluginThreadCallback func,
void *userData)
: mInstance(instance), mFunc(func), mUserData(userData)
{
if (!sPluginThreadAsyncCallLock) {
// Failed to create lock, not much we can do here then...
mFunc = nsnull;
return;
}
PR_INIT_CLIST(this);
{
MutexAutoLock lock(*sPluginThreadAsyncCallLock);
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
if (!inst || !inst->IsRunning()) {
// The plugin was stopped, ignore this async call.
mFunc = nsnull;
return;
}
PR_APPEND_LINK(this, &sPendingAsyncCalls);
}
}
nsPluginThreadRunnable::~nsPluginThreadRunnable()
{
if (!sPluginThreadAsyncCallLock) {
return;
}
{
MutexAutoLock lock(*sPluginThreadAsyncCallLock);
PR_REMOVE_LINK(this);
}
}
NS_IMETHODIMP
nsPluginThreadRunnable::Run()
{
if (mFunc) {
PluginDestructionGuard guard(mInstance);
NS_TRY_SAFE_CALL_VOID(mFunc(mUserData), nsnull);
}
return NS_OK;
}
void
OnPluginDestroy(NPP instance)
{
if (!sPluginThreadAsyncCallLock) {
return;
}
{
MutexAutoLock lock(*sPluginThreadAsyncCallLock);
if (PR_CLIST_IS_EMPTY(&sPendingAsyncCalls)) {
return;
}
nsPluginThreadRunnable *r =
(nsPluginThreadRunnable *)PR_LIST_HEAD(&sPendingAsyncCalls);
do {
if (r->IsForInstance(instance)) {
r->Invalidate();
}
r = (nsPluginThreadRunnable *)PR_NEXT_LINK(r);
} while (r != &sPendingAsyncCalls);
}
}
void
OnShutdown()
{
NS_ASSERTION(PR_CLIST_IS_EMPTY(&sPendingAsyncCalls),
"Pending async plugin call list not cleaned up!");
if (sPluginThreadAsyncCallLock) {
delete sPluginThreadAsyncCallLock;
sPluginThreadAsyncCallLock = nsnull;
}
}
AsyncCallbackAutoLock::AsyncCallbackAutoLock()
{
if (sPluginThreadAsyncCallLock) {
sPluginThreadAsyncCallLock->Lock();
}
}
AsyncCallbackAutoLock::~AsyncCallbackAutoLock()
{
if (sPluginThreadAsyncCallLock) {
sPluginThreadAsyncCallLock->Unlock();
}
}
NPP NPPStack::sCurrentNPP = nsnull;
const char *
PeekException()
{
return gNPPException;
}
void
PopException()
{
NS_ASSERTION(gNPPException, "Uh, no NPP exception to pop!");
if (gNPPException) {
free(gNPPException);
gNPPException = nsnull;
}
}
//
// Static callbacks that get routed back through the new C++ API
//
namespace mozilla {
namespace plugins {
namespace parent {
NPError NP_CALLBACK
_geturl(NPP npp, const char* relativeURL, const char* target)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_geturl called from the wrong thread\n"));
return NPERR_INVALID_PARAM;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_GetURL: npp=%p, target=%s, url=%s\n", (void *)npp, target,
relativeURL));
PluginDestructionGuard guard(npp);
// Block Adobe Acrobat from loading URLs that are not http:, https:,
// or ftp: URLs if the given target is null.
if (!target && relativeURL &&
(strncmp(relativeURL, "http:", 5) != 0) &&
(strncmp(relativeURL, "https:", 6) != 0) &&
(strncmp(relativeURL, "ftp:", 4) != 0)) {
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
const char *name = nsnull;
nsRefPtr<nsPluginHost> host = dont_AddRef(nsPluginHost::GetInst());
host->GetPluginName(inst, &name);
if (name && strstr(name, "Adobe") && strstr(name, "Acrobat")) {
return NPERR_NO_ERROR;
}
}
return MakeNewNPAPIStreamInternal(npp, relativeURL, target,
eNPPStreamTypeInternal_Get);
}
NPError NP_CALLBACK
_geturlnotify(NPP npp, const char* relativeURL, const char* target,
void* notifyData)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_geturlnotify called from the wrong thread\n"));
return NPERR_INVALID_PARAM;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_GetURLNotify: npp=%p, target=%s, notify=%p, url=%s\n", (void*)npp,
target, notifyData, relativeURL));
PluginDestructionGuard guard(npp);
return MakeNewNPAPIStreamInternal(npp, relativeURL, target,
eNPPStreamTypeInternal_Get, PR_TRUE,
notifyData);
}
NPError NP_CALLBACK
_posturlnotify(NPP npp, const char *relativeURL, const char *target,
uint32_t len, const char *buf, NPBool file, void *notifyData)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_posturlnotify called from the wrong thread\n"));
return NPERR_INVALID_PARAM;
}
if (!buf)
return NPERR_INVALID_PARAM;
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_PostURLNotify: npp=%p, target=%s, len=%d, file=%d, "
"notify=%p, url=%s, buf=%s\n",
(void*)npp, target, len, file, notifyData, relativeURL,
buf));
PluginDestructionGuard guard(npp);
return MakeNewNPAPIStreamInternal(npp, relativeURL, target,
eNPPStreamTypeInternal_Post, PR_TRUE,
notifyData, len, buf, file);
}
NPError NP_CALLBACK
_posturl(NPP npp, const char *relativeURL, const char *target,
uint32_t len, const char *buf, NPBool file)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_posturl called from the wrong thread\n"));
return NPERR_INVALID_PARAM;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_PostURL: npp=%p, target=%s, file=%d, len=%d, url=%s, "
"buf=%s\n",
(void*)npp, target, file, len, relativeURL, buf));
PluginDestructionGuard guard(npp);
return MakeNewNPAPIStreamInternal(npp, relativeURL, target,
eNPPStreamTypeInternal_Post, PR_FALSE, nsnull,
len, buf, file);
}
NPError NP_CALLBACK
_newstream(NPP npp, NPMIMEType type, const char* target, NPStream* *result)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_newstream called from the wrong thread\n"));
return NPERR_INVALID_PARAM;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_NewStream: npp=%p, type=%s, target=%s\n", (void*)npp,
(const char *)type, target));
NPError err = NPERR_INVALID_INSTANCE_ERROR;
if (npp && npp->ndata) {
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
PluginDestructionGuard guard(inst);
nsCOMPtr<nsIOutputStream> stream;
if (NS_SUCCEEDED(inst->NewStreamFromPlugin((const char*) type, target,
getter_AddRefs(stream)))) {
nsNPAPIStreamWrapper* wrapper = new nsNPAPIStreamWrapper(stream);
if (wrapper) {
(*result) = wrapper->GetNPStream();
err = NPERR_NO_ERROR;
} else {
err = NPERR_OUT_OF_MEMORY_ERROR;
}
} else {
err = NPERR_GENERIC_ERROR;
}
}
return err;
}
int32_t NP_CALLBACK
_write(NPP npp, NPStream *pstream, int32_t len, void *buffer)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_write called from the wrong thread\n"));
return 0;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_Write: npp=%p, url=%s, len=%d, buffer=%s\n", (void*)npp,
pstream->url, len, (char*)buffer));
// negative return indicates failure to the plugin
if (!npp)
return -1;
PluginDestructionGuard guard(npp);
nsNPAPIStreamWrapper* wrapper = (nsNPAPIStreamWrapper*) pstream->ndata;
NS_ASSERTION(wrapper, "null stream");
if (!wrapper)
return -1;
nsIOutputStream* stream;
wrapper->GetStream(stream);
PRUint32 count = 0;
nsresult rv = stream->Write((char *)buffer, len, &count);
NS_RELEASE(stream);
if (rv != NS_OK)
return -1;
return (int32_t)count;
}
NPError NP_CALLBACK
_destroystream(NPP npp, NPStream *pstream, NPError reason)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_write called from the wrong thread\n"));
return NPERR_INVALID_PARAM;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_DestroyStream: npp=%p, url=%s, reason=%d\n", (void*)npp,
pstream->url, (int)reason));
if (!npp)
return NPERR_INVALID_INSTANCE_ERROR;
PluginDestructionGuard guard(npp);
nsCOMPtr<nsIPluginStreamListener> listener =
do_QueryInterface((nsISupports *)pstream->ndata);
// DestroyStream can kill two kinds of streams: NPP derived and NPN derived.
// check to see if they're trying to kill a NPP stream
if (listener) {
// Tell the stream listner that the stream is now gone.
listener->OnStopBinding(nsnull, NS_BINDING_ABORTED);
// FIXME: http://bugzilla.mozilla.org/show_bug.cgi?id=240131
//
// Is it ok to leave pstream->ndata set here, and who releases it
// (or is it even properly ref counted)? And who closes the stream
// etc?
} else {
nsNPAPIStreamWrapper* wrapper = (nsNPAPIStreamWrapper *)pstream->ndata;
NS_ASSERTION(wrapper, "null wrapper");
if (!wrapper)
return NPERR_INVALID_PARAM;
// This will release the wrapped nsIOutputStream.
// pstream should always be a subobject of wrapper. See bug 548441.
NS_ASSERTION((char*)wrapper <= (char*)pstream &&
((char*)pstream) + sizeof(*pstream)
<= ((char*)wrapper) + sizeof(*wrapper),
"pstream is not a subobject of wrapper");
delete wrapper;
}
return NPERR_NO_ERROR;
}
void NP_CALLBACK
_status(NPP npp, const char *message)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_status called from the wrong thread\n"));
return;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_Status: npp=%p, message=%s\n",
(void*)npp, message));
if (!npp || !npp->ndata) {
NS_WARNING("_status: npp or npp->ndata == 0");
return;
}
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
PluginDestructionGuard guard(inst);
inst->ShowStatus(message);
}
void NP_CALLBACK
_memfree (void *ptr)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_memfree called from the wrong thread\n"));
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY, ("NPN_MemFree: ptr=%p\n", ptr));
if (ptr)
nsMemory::Free(ptr);
}
uint32_t NP_CALLBACK
_memflush(uint32_t size)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_memflush called from the wrong thread\n"));
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY, ("NPN_MemFlush: size=%d\n", size));
nsMemory::HeapMinimize(PR_TRUE);
return 0;
}
void NP_CALLBACK
_reloadplugins(NPBool reloadPages)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_reloadplugins called from the wrong thread\n"));
return;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_ReloadPlugins: reloadPages=%d\n", reloadPages));
nsCOMPtr<nsIPluginHost> pluginHost(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID));
if (!pluginHost)
return;
pluginHost->ReloadPlugins(reloadPages);
}
void NP_CALLBACK
_invalidaterect(NPP npp, NPRect *invalidRect)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_invalidaterect called from the wrong thread\n"));
return;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_InvalidateRect: npp=%p, top=%d, left=%d, bottom=%d, "
"right=%d\n", (void *)npp, invalidRect->top,
invalidRect->left, invalidRect->bottom, invalidRect->right));
if (!npp || !npp->ndata) {
NS_WARNING("_invalidaterect: npp or npp->ndata == 0");
return;
}
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
PluginDestructionGuard guard(inst);
inst->InvalidateRect((NPRect *)invalidRect);
}
void NP_CALLBACK
_invalidateregion(NPP npp, NPRegion invalidRegion)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_invalidateregion called from the wrong thread\n"));
return;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPN_InvalidateRegion: npp=%p, region=%p\n", (void*)npp,
(void*)invalidRegion));
if (!npp || !npp->ndata) {
NS_WARNING("_invalidateregion: npp or npp->ndata == 0");
return;
}
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
PluginDestructionGuard guard(inst);
inst->InvalidateRegion((NPRegion)invalidRegion);
}
void NP_CALLBACK
_forceredraw(NPP npp)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_forceredraw called from the wrong thread\n"));
return;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_ForceDraw: npp=%p\n", (void*)npp));
if (!npp || !npp->ndata) {
NS_WARNING("_forceredraw: npp or npp->ndata == 0");
return;
}
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
PluginDestructionGuard guard(inst);
inst->ForceRedraw();
}
NPObject* NP_CALLBACK
_getwindowobject(NPP npp)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getwindowobject called from the wrong thread\n"));
return nsnull;
}
JSContext *cx = GetJSContextFromNPP(npp);
NS_ENSURE_TRUE(cx, nsnull);
// Using ::JS_GetGlobalObject(cx) is ok here since the window we
// want to return here is the outer window, *not* the inner (since
// we don't know what the plugin will do with it).
return nsJSObjWrapper::GetNewOrUsed(npp, cx, ::JS_GetGlobalObject(cx));
}
NPObject* NP_CALLBACK
_getpluginelement(NPP npp)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getpluginelement called from the wrong thread\n"));
return nsnull;
}
nsNPAPIPluginInstance* inst = static_cast<nsNPAPIPluginInstance*>(npp->ndata);
if (!inst)
return nsnull;
nsCOMPtr<nsIDOMElement> element;
inst->GetDOMElement(getter_AddRefs(element));
if (!element)
return nsnull;
JSContext *cx = GetJSContextFromNPP(npp);
NS_ENSURE_TRUE(cx, nsnull);
nsCOMPtr<nsIXPConnect> xpc(do_GetService(nsIXPConnect::GetCID()));
NS_ENSURE_TRUE(xpc, nsnull);
nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
xpc->WrapNative(cx, ::JS_GetGlobalObject(cx), element,
NS_GET_IID(nsIDOMElement),
getter_AddRefs(holder));
NS_ENSURE_TRUE(holder, nsnull);
JSObject* obj = nsnull;
holder->GetJSObject(&obj);
NS_ENSURE_TRUE(obj, nsnull);
return nsJSObjWrapper::GetNewOrUsed(npp, cx, obj);
}
NPIdentifier NP_CALLBACK
_getstringidentifier(const NPUTF8* name)
{
if (!name) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS, ("NPN_getstringidentifier: passed null name"));
return NULL;
}
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getstringidentifier called from the wrong thread\n"));
}
nsCOMPtr<nsIThreadJSContextStack> stack =
do_GetService("@mozilla.org/js/xpc/ContextStack;1");
if (!stack)
return NULL;
JSContext *cx = nsnull;
stack->GetSafeJSContext(&cx);
if (!cx)
return NULL;
JSAutoRequest ar(cx);
return doGetIdentifier(cx, name);
}
void NP_CALLBACK
_getstringidentifiers(const NPUTF8** names, int32_t nameCount,
NPIdentifier *identifiers)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getstringidentifiers called from the wrong thread\n"));
}
nsCOMPtr<nsIThreadJSContextStack> stack =
do_GetService("@mozilla.org/js/xpc/ContextStack;1");
if (!stack)
return;
JSContext *cx = nsnull;
stack->GetSafeJSContext(&cx);
if (!cx)
return;
JSAutoRequest ar(cx);
for (int32_t i = 0; i < nameCount; ++i) {
if (names[i]) {
identifiers[i] = doGetIdentifier(cx, names[i]);
} else {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS, ("NPN_getstringidentifiers: passed null name"));
identifiers[i] = NULL;
}
}
}
NPIdentifier NP_CALLBACK
_getintidentifier(int32_t intid)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getstringidentifier called from the wrong thread\n"));
}
return IntToNPIdentifier(intid);
}
NPUTF8* NP_CALLBACK
_utf8fromidentifier(NPIdentifier id)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_utf8fromidentifier called from the wrong thread\n"));
}
if (!id)
return NULL;
if (!NPIdentifierIsString(id)) {
return nsnull;
}
JSString *str = NPIdentifierToString(id);
return
ToNewUTF8String(nsDependentString(::JS_GetInternedStringChars(str),
::JS_GetStringLength(str)));
}
int32_t NP_CALLBACK
_intfromidentifier(NPIdentifier id)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_intfromidentifier called from the wrong thread\n"));
}
if (!NPIdentifierIsInt(id)) {
return PR_INT32_MIN;
}
return NPIdentifierToInt(id);
}
bool NP_CALLBACK
_identifierisstring(NPIdentifier id)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_identifierisstring called from the wrong thread\n"));
}
return NPIdentifierIsString(id);
}
NPObject* NP_CALLBACK
_createobject(NPP npp, NPClass* aClass)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_createobject called from the wrong thread\n"));
return nsnull;
}
if (!npp) {
NS_ERROR("Null npp passed to _createobject()!");
return nsnull;
}
PluginDestructionGuard guard(npp);
if (!aClass) {
NS_ERROR("Null class passed to _createobject()!");
return nsnull;
}
NPPAutoPusher nppPusher(npp);
NPObject *npobj;
if (aClass->allocate) {
npobj = aClass->allocate(npp, aClass);
} else {
npobj = (NPObject *)PR_Malloc(sizeof(NPObject));
}
if (npobj) {
npobj->_class = aClass;
npobj->referenceCount = 1;
NS_LOG_ADDREF(npobj, 1, "BrowserNPObject", sizeof(NPObject));
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("Created NPObject %p, NPClass %p\n", npobj, aClass));
return npobj;
}
NPObject* NP_CALLBACK
_retainobject(NPObject* npobj)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_retainobject called from the wrong thread\n"));
}
if (npobj) {
#ifdef NS_BUILD_REFCNT_LOGGING
int32_t refCnt =
#endif
PR_ATOMIC_INCREMENT((PRInt32*)&npobj->referenceCount);
NS_LOG_ADDREF(npobj, refCnt, "BrowserNPObject", sizeof(NPObject));
}
return npobj;
}
void NP_CALLBACK
_releaseobject(NPObject* npobj)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_releaseobject called from the wrong thread\n"));
}
if (!npobj)
return;
int32_t refCnt = PR_ATOMIC_DECREMENT((PRInt32*)&npobj->referenceCount);
NS_LOG_RELEASE(npobj, refCnt, "BrowserNPObject");
if (refCnt == 0) {
nsNPObjWrapper::OnDestroy(npobj);
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("Deleting NPObject %p, refcount hit 0\n", npobj));
if (npobj->_class && npobj->_class->deallocate) {
npobj->_class->deallocate(npobj);
} else {
PR_Free(npobj);
}
}
}
bool NP_CALLBACK
_invoke(NPP npp, NPObject* npobj, NPIdentifier method, const NPVariant *args,
uint32_t argCount, NPVariant *result)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_invoke called from the wrong thread\n"));
return false;
}
if (!npp || !npobj || !npobj->_class || !npobj->_class->invoke)
return false;
PluginDestructionGuard guard(npp);
NPPExceptionAutoHolder nppExceptionHolder;
NPPAutoPusher nppPusher(npp);
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("NPN_Invoke(npp %p, npobj %p, method %p, args %d\n", npp,
npobj, method, argCount));
return npobj->_class->invoke(npobj, method, args, argCount, result);
}
bool NP_CALLBACK
_invokeDefault(NPP npp, NPObject* npobj, const NPVariant *args,
uint32_t argCount, NPVariant *result)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_invokedefault called from the wrong thread\n"));
return false;
}
if (!npp || !npobj || !npobj->_class || !npobj->_class->invokeDefault)
return false;
NPPExceptionAutoHolder nppExceptionHolder;
NPPAutoPusher nppPusher(npp);
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("NPN_InvokeDefault(npp %p, npobj %p, args %d\n", npp,
npobj, argCount));
return npobj->_class->invokeDefault(npobj, args, argCount, result);
}
bool NP_CALLBACK
_evaluate(NPP npp, NPObject* npobj, NPString *script, NPVariant *result)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_evaluate called from the wrong thread\n"));
return false;
}
if (!npp)
return false;
NPPAutoPusher nppPusher(npp);
nsIDocument *doc = GetDocumentFromNPP(npp);
NS_ENSURE_TRUE(doc, false);
JSContext *cx = GetJSContextFromDoc(doc);
NS_ENSURE_TRUE(cx, false);
nsCOMPtr<nsIScriptContext> scx = GetScriptContextFromJSContext(cx);
NS_ENSURE_TRUE(scx, false);
JSAutoRequest req(cx);
JSObject *obj =
nsNPObjWrapper::GetNewOrUsed(npp, cx, npobj);
if (!obj) {
return false;
}
OBJ_TO_INNER_OBJECT(cx, obj);
// Root obj and the rval (below).
jsval vec[] = { OBJECT_TO_JSVAL(obj), JSVAL_NULL };
js::AutoArrayRooter tvr(cx, NS_ARRAY_LENGTH(vec), vec);
jsval *rval = &vec[1];
if (result) {
// Initialize the out param to void
VOID_TO_NPVARIANT(*result);
}
if (!script || !script->UTF8Length || !script->UTF8Characters) {
// Nothing to evaluate.
return true;
}
NS_ConvertUTF8toUTF16 utf16script(script->UTF8Characters,
script->UTF8Length);
nsIPrincipal *principal = doc->NodePrincipal();
nsCAutoString specStr;
const char *spec;
nsCOMPtr<nsIURI> uri;
principal->GetURI(getter_AddRefs(uri));
if (uri) {
uri->GetSpec(specStr);
spec = specStr.get();
} else {
// No URI in a principal means it's the system principal. If the
// document URI is a chrome:// URI, pass that in as the URI of the
// script, else pass in null for the filename as there's no way to
// know where this document really came from. Passing in null here
// also means that the script gets treated by XPConnect as if it
// needs additional protection, which is what we want for unknown
// chrome code anyways.
uri = doc->GetDocumentURI();
PRBool isChrome = PR_FALSE;
if (uri && NS_SUCCEEDED(uri->SchemeIs("chrome", &isChrome)) && isChrome) {
uri->GetSpec(specStr);
spec = specStr.get();
} else {
spec = nsnull;
}
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("NPN_Evaluate(npp %p, npobj %p, script <<<%s>>>) called\n",
npp, npobj, script->UTF8Characters));
nsresult rv = scx->EvaluateStringWithValue(utf16script, obj, principal,
spec, 0, 0, rval, nsnull);
return NS_SUCCEEDED(rv) &&
(!result || JSValToNPVariant(npp, cx, *rval, result));
}
bool NP_CALLBACK
_getproperty(NPP npp, NPObject* npobj, NPIdentifier property,
NPVariant *result)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getproperty called from the wrong thread\n"));
return false;
}
if (!npp || !npobj || !npobj->_class || !npobj->_class->getProperty)
return false;
NPPExceptionAutoHolder nppExceptionHolder;
NPPAutoPusher nppPusher(npp);
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("NPN_GetProperty(npp %p, npobj %p, property %p) called\n",
npp, npobj, property));
if (!npobj->_class->getProperty(npobj, property, result))
return false;
// If a Java plugin tries to get the document.URL or document.documentURI
// property from us, don't pass back a value that Java won't be able to
// understand -- one that will make the URL(String) constructor throw a
// MalformedURL exception. Passing such a value causes Java Plugin2 to
// crash (to throw a RuntimeException in Plugin2Manager.getDocumentBase()).
// Also don't pass back a value that Java is likely to mishandle.
nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*) npp->ndata;
if (!inst)
return false;
nsNPAPIPlugin* plugin = inst->GetPlugin();
if (!plugin)
return false;
nsRefPtr<nsPluginHost> host = dont_AddRef(nsPluginHost::GetInst());
nsPluginTag* pluginTag = host->TagForPlugin(plugin);
if (!pluginTag->mIsJavaPlugin)
return true;
if (!NPVARIANT_IS_STRING(*result))
return true;
NPUTF8* propertyName = _utf8fromidentifier(property);
if (!propertyName)
return true;
bool notURL =
(PL_strcasecmp(propertyName, "URL") &&
PL_strcasecmp(propertyName, "documentURI"));
_memfree(propertyName);
if (notURL)
return true;
NPObject* window_obj = _getwindowobject(npp);
if (!window_obj)
return true;
NPVariant doc_v;
NPObject* document_obj = nsnull;
NPIdentifier doc_id = _getstringidentifier("document");
bool ok = npobj->_class->getProperty(window_obj, doc_id, &doc_v);
_releaseobject(window_obj);
if (ok) {
if (NPVARIANT_IS_OBJECT(doc_v)) {
document_obj = NPVARIANT_TO_OBJECT(doc_v);
} else {
_releasevariantvalue(&doc_v);
return true;
}
} else {
return true;
}
_releaseobject(document_obj);
if (document_obj != npobj)
return true;
NPString urlnp = NPVARIANT_TO_STRING(*result);
nsXPIDLCString url;
url.Assign(urlnp.UTF8Characters, urlnp.UTF8Length);
PRBool javaCompatible = PR_FALSE;
if (NS_FAILED(NS_CheckIsJavaCompatibleURLString(url, &javaCompatible)))
javaCompatible = PR_FALSE;
if (javaCompatible)
return true;
// If Java won't be able to interpret the original value of document.URL or
// document.documentURI, or is likely to mishandle it, pass back something
// that Java will understand but won't be able to use to access the network,
// and for which same-origin checks will always fail.
if (inst->mFakeURL.IsVoid()) {
// Abort (do an error return) if NS_MakeRandomInvalidURLString() fails.
if (NS_FAILED(NS_MakeRandomInvalidURLString(inst->mFakeURL))) {
_releasevariantvalue(result);
return false;
}
}
_releasevariantvalue(result);
char* fakeurl = (char *) _memalloc(inst->mFakeURL.Length() + 1);
strcpy(fakeurl, inst->mFakeURL);
STRINGZ_TO_NPVARIANT(fakeurl, *result);
return true;
}
bool NP_CALLBACK
_setproperty(NPP npp, NPObject* npobj, NPIdentifier property,
const NPVariant *value)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_setproperty called from the wrong thread\n"));
return false;
}
if (!npp || !npobj || !npobj->_class || !npobj->_class->setProperty)
return false;
NPPExceptionAutoHolder nppExceptionHolder;
NPPAutoPusher nppPusher(npp);
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("NPN_SetProperty(npp %p, npobj %p, property %p) called\n",
npp, npobj, property));
return npobj->_class->setProperty(npobj, property, value);
}
bool NP_CALLBACK
_removeproperty(NPP npp, NPObject* npobj, NPIdentifier property)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_removeproperty called from the wrong thread\n"));
return false;
}
if (!npp || !npobj || !npobj->_class || !npobj->_class->removeProperty)
return false;
NPPExceptionAutoHolder nppExceptionHolder;
NPPAutoPusher nppPusher(npp);
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("NPN_RemoveProperty(npp %p, npobj %p, property %p) called\n",
npp, npobj, property));
return npobj->_class->removeProperty(npobj, property);
}
bool NP_CALLBACK
_hasproperty(NPP npp, NPObject* npobj, NPIdentifier propertyName)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_hasproperty called from the wrong thread\n"));
return false;
}
if (!npp || !npobj || !npobj->_class || !npobj->_class->hasProperty)
return false;
NPPExceptionAutoHolder nppExceptionHolder;
NPPAutoPusher nppPusher(npp);
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("NPN_HasProperty(npp %p, npobj %p, property %p) called\n",
npp, npobj, propertyName));
return npobj->_class->hasProperty(npobj, propertyName);
}
bool NP_CALLBACK
_hasmethod(NPP npp, NPObject* npobj, NPIdentifier methodName)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_hasmethod called from the wrong thread\n"));
return false;
}
if (!npp || !npobj || !npobj->_class || !npobj->_class->hasMethod)
return false;
NPPExceptionAutoHolder nppExceptionHolder;
NPPAutoPusher nppPusher(npp);
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("NPN_HasMethod(npp %p, npobj %p, property %p) called\n",
npp, npobj, methodName));
return npobj->_class->hasMethod(npobj, methodName);
}
bool NP_CALLBACK
_enumerate(NPP npp, NPObject *npobj, NPIdentifier **identifier,
uint32_t *count)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_enumerate called from the wrong thread\n"));
return false;
}
if (!npp || !npobj || !npobj->_class)
return false;
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
("NPN_Enumerate(npp %p, npobj %p) called\n", npp, npobj));
if (!NP_CLASS_STRUCT_VERSION_HAS_ENUM(npobj->_class) ||
!npobj->_class->enumerate) {
*identifier = 0;
*count = 0;
return true;
}
NPPExceptionAutoHolder nppExceptionHolder;
NPPAutoPusher nppPusher(npp);
return npobj->_class->enumerate(npobj, identifier, count);
}
bool NP_CALLBACK
_construct(NPP npp, NPObject* npobj, const NPVariant *args,
uint32_t argCount, NPVariant *result)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_construct called from the wrong thread\n"));
return false;
}
if (!npp || !npobj || !npobj->_class ||
!NP_CLASS_STRUCT_VERSION_HAS_CTOR(npobj->_class) ||
!npobj->_class->construct) {
return false;
}
NPPExceptionAutoHolder nppExceptionHolder;
NPPAutoPusher nppPusher(npp);
return npobj->_class->construct(npobj, args, argCount, result);
}
void NP_CALLBACK
_releasevariantvalue(NPVariant* variant)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_releasevariantvalue called from the wrong thread\n"));
}
switch (variant->type) {
case NPVariantType_Void :
case NPVariantType_Null :
case NPVariantType_Bool :
case NPVariantType_Int32 :
case NPVariantType_Double :
break;
case NPVariantType_String :
{
const NPString *s = &NPVARIANT_TO_STRING(*variant);
if (s->UTF8Characters) {
#if defined(MOZ_MEMORY_WINDOWS)
if (malloc_usable_size((void *)s->UTF8Characters) != 0) {
PR_Free((void *)s->UTF8Characters);
} else {
void *p = (void *)s->UTF8Characters;
DWORD nheaps = 0;
nsAutoTArray<HANDLE, 50> heaps;
nheaps = GetProcessHeaps(0, heaps.Elements());
heaps.AppendElements(nheaps);
GetProcessHeaps(nheaps, heaps.Elements());
for (DWORD i = 0; i < nheaps; i++) {
if (InHeap(heaps[i], p)) {
HeapFree(heaps[i], 0, p);
break;
}
}
}
#else
NS_Free((void *)s->UTF8Characters);
#endif
}
break;
}
case NPVariantType_Object:
{
NPObject *npobj = NPVARIANT_TO_OBJECT(*variant);
if (npobj)
_releaseobject(npobj);
break;
}
default:
NS_ERROR("Unknown NPVariant type!");
}
VOID_TO_NPVARIANT(*variant);
}
bool NP_CALLBACK
_tostring(NPObject* npobj, NPVariant *result)
{
NS_ERROR("Write me!");
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_tostring called from the wrong thread\n"));
return false;
}
return false;
}
void NP_CALLBACK
_setexception(NPObject* npobj, const NPUTF8 *message)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_setexception called from the wrong thread\n"));
return;
}
if (!message) return;
if (gNPPException) {
// If a plugin throws multiple exceptions, we'll only report the
// last one for now.
free(gNPPException);
}
gNPPException = strdup(message);
}
NPError NP_CALLBACK
_getvalue(NPP npp, NPNVariable variable, void *result)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getvalue called from the wrong thread\n"));
return NPERR_INVALID_PARAM;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_GetValue: npp=%p, var=%d\n",
(void*)npp, (int)variable));
nsresult res;
PluginDestructionGuard guard(npp);
switch(variable) {
#if defined(XP_UNIX) && !defined(XP_MACOSX)
case NPNVxDisplay : {
#if defined(MOZ_X11)
if (npp) {
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
PRBool windowless = PR_FALSE;
inst->IsWindowless(&windowless);
NPBool needXEmbed = PR_FALSE;
if (!windowless) {
res = inst->GetValueFromPlugin(NPPVpluginNeedsXEmbed, &needXEmbed);
// If the call returned an error code make sure we still use our default value.
if (NS_FAILED(res)) {
needXEmbed = PR_FALSE;
}
}
if (windowless || needXEmbed) {
(*(Display **)result) = mozilla::DefaultXDisplay();
return NPERR_NO_ERROR;
}
}
#ifdef MOZ_WIDGET_GTK2
// adobe nppdf calls XtGetApplicationNameAndClass(display,
// &instance, &class) we have to init Xt toolkit before get
// XtDisplay just call gtk_xtbin_new(w,0) once
static GtkWidget *gtkXtBinHolder = 0;
if (!gtkXtBinHolder) {
gtkXtBinHolder = gtk_xtbin_new(gdk_get_default_root_window(),0);
// it crashes on destroy, let it leak
// gtk_widget_destroy(gtkXtBinHolder);
}
(*(Display **)result) = GTK_XTBIN(gtkXtBinHolder)->xtdisplay;
return NPERR_NO_ERROR;
#endif
#endif
return NPERR_GENERIC_ERROR;
}
case NPNVxtAppContext:
return NPERR_GENERIC_ERROR;
#endif
#if defined(XP_WIN) || defined(XP_OS2) || defined(MOZ_WIDGET_GTK2) \
|| defined(MOZ_WIDGET_QT)
case NPNVnetscapeWindow: {
if (!npp || !npp->ndata)
return NPERR_INVALID_INSTANCE_ERROR;
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
nsCOMPtr<nsIPluginInstanceOwner> owner;
inst->GetOwner(getter_AddRefs(owner));
NS_ENSURE_TRUE(owner, nsnull);
if (NS_SUCCEEDED(owner->GetNetscapeWindow(result))) {
return NPERR_NO_ERROR;
}
return NPERR_GENERIC_ERROR;
}
#endif
case NPNVjavascriptEnabledBool: {
*(NPBool*)result = PR_FALSE;
nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
if (prefs) {
PRBool js = PR_FALSE;;
res = prefs->GetBoolPref("javascript.enabled", &js);
if (NS_SUCCEEDED(res))
*(NPBool*)result = js;
}
return NPERR_NO_ERROR;
}
case NPNVasdEnabledBool:
*(NPBool*)result = PR_FALSE;
return NPERR_NO_ERROR;
case NPNVisOfflineBool: {
PRBool offline = PR_FALSE;
nsCOMPtr<nsIIOService> ioservice =
do_GetService(NS_IOSERVICE_CONTRACTID, &res);
if (NS_SUCCEEDED(res))
res = ioservice->GetOffline(&offline);
if (NS_FAILED(res))
return NPERR_GENERIC_ERROR;
*(NPBool*)result = offline;
return NPERR_NO_ERROR;
}
case NPNVToolkit: {
#ifdef MOZ_WIDGET_GTK2
*((NPNToolkitType*)result) = NPNVGtk2;
#endif
#ifdef MOZ_WIDGET_QT
/* Fake toolkit so flash plugin works */
*((NPNToolkitType*)result) = NPNVGtk2;
#endif
if (*(NPNToolkitType*)result)
return NPERR_NO_ERROR;
return NPERR_GENERIC_ERROR;
}
case NPNVSupportsXEmbedBool: {
#ifdef MOZ_WIDGET_GTK2
*(NPBool*)result = PR_TRUE;
#elif defined(MOZ_WIDGET_QT)
// Desktop Flash fail to initialize if browser does not support NPNVSupportsXEmbedBool
// even when wmode!=windowed, lets return fake support
fprintf(stderr, "Fake support for XEmbed plugins in Qt port\n");
*(NPBool*)result = PR_TRUE;
#else
*(NPBool*)result = PR_FALSE;
#endif
return NPERR_NO_ERROR;
}
case NPNVWindowNPObject: {
*(NPObject **)result = _getwindowobject(npp);
return *(NPObject **)result ? NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
}
case NPNVPluginElementNPObject: {
*(NPObject **)result = _getpluginelement(npp);
return *(NPObject **)result ? NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
}
case NPNVSupportsWindowless: {
#if defined(XP_WIN) || defined(XP_MACOSX) || \
(defined(MOZ_X11) && (defined(MOZ_WIDGET_GTK2) || defined(MOZ_WIDGET_QT)))
*(NPBool*)result = PR_TRUE;
#else
*(NPBool*)result = PR_FALSE;
#endif
return NPERR_NO_ERROR;
}
case NPNVprivateModeBool: {
nsCOMPtr<nsIPrivateBrowsingService> pbs = do_GetService(NS_PRIVATE_BROWSING_SERVICE_CONTRACTID);
if (pbs) {
PRBool enabled;
pbs->GetPrivateBrowsingEnabled(&enabled);
*(NPBool*)result = (NPBool)enabled;
return NPERR_NO_ERROR;
}
return NPERR_GENERIC_ERROR;
}
case NPNVdocumentOrigin: {
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)npp->ndata;
if (!inst) {
return NPERR_GENERIC_ERROR;
}
nsCOMPtr<nsIDOMElement> element;
inst->GetDOMElement(getter_AddRefs(element));
if (!element) {
return NPERR_GENERIC_ERROR;
}
nsCOMPtr<nsIContent> content(do_QueryInterface(element));
if (!content) {
return NPERR_GENERIC_ERROR;
}
nsIPrincipal* principal = content->NodePrincipal();
nsAutoString utf16Origin;
res = nsContentUtils::GetUTFOrigin(principal, utf16Origin);
if (NS_FAILED(res)) {
return NPERR_GENERIC_ERROR;
}
nsCOMPtr<nsIUnicodeNormalizer> normalizer = do_GetService(NS_UNICODE_NORMALIZER_CONTRACTID);
if (!normalizer) {
return NPERR_GENERIC_ERROR;
}
nsAutoString normalizedUTF16Origin;
res = normalizer->NormalizeUnicodeNFKC(utf16Origin, normalizedUTF16Origin);
if (NS_FAILED(res)) {
return NPERR_GENERIC_ERROR;
}
*(char**)result = ToNewUTF8String(normalizedUTF16Origin);
return *(char**)result ? NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
}
#ifdef XP_MACOSX
case NPNVpluginDrawingModel: {
if (npp) {
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
if (inst) {
NPDrawingModel drawingModel;
inst->GetDrawingModel((PRInt32*)&drawingModel);
*(NPDrawingModel*)result = drawingModel;
return NPERR_NO_ERROR;
}
}
else {
return NPERR_GENERIC_ERROR;
}
}
#ifndef NP_NO_QUICKDRAW
case NPNVsupportsQuickDrawBool: {
*(NPBool*)result = PR_TRUE;
return NPERR_NO_ERROR;
}
#endif
case NPNVsupportsCoreGraphicsBool: {
*(NPBool*)result = PR_TRUE;
return NPERR_NO_ERROR;
}
case NPNVsupportsCoreAnimationBool: {
*(NPBool*)result = PR_TRUE;
return NPERR_NO_ERROR;
}
case NPNVsupportsInvalidatingCoreAnimationBool: {
*(NPBool*)result = PR_TRUE;
return NPERR_NO_ERROR;
}
#ifndef NP_NO_CARBON
case NPNVsupportsCarbonBool: {
*(NPBool*)result = PR_TRUE;
return NPERR_NO_ERROR;
}
#endif
case NPNVsupportsCocoaBool: {
*(NPBool*)result = PR_TRUE;
return NPERR_NO_ERROR;
}
case NPNVsupportsUpdatedCocoaTextInputBool: {
*(NPBool*)result = true;
return NPERR_NO_ERROR;
}
#endif
// we no longer hand out any XPCOM objects
case NPNVDOMElement:
// fall through
case NPNVDOMWindow:
// fall through
case NPNVserviceManager:
// old XPCOM objects, no longer supported, but null out the out
// param to avoid crashing plugins that still try to use this.
*(nsISupports**)result = nsnull;
// fall through
default:
return NPERR_GENERIC_ERROR;
}
}
NPError NP_CALLBACK
_setvalue(NPP npp, NPPVariable variable, void *result)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_setvalue called from the wrong thread\n"));
return NPERR_INVALID_PARAM;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_SetValue: npp=%p, var=%d\n",
(void*)npp, (int)variable));
if (!npp)
return NPERR_INVALID_INSTANCE_ERROR;
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
NS_ASSERTION(inst, "null instance");
if (!inst)
return NPERR_INVALID_INSTANCE_ERROR;
PluginDestructionGuard guard(inst);
switch (variable) {
// we should keep backward compatibility with NPAPI where the
// actual pointer value is checked rather than its content
// when passing booleans
case NPPVpluginWindowBool: {
#ifdef XP_MACOSX
// This setting doesn't apply to OS X (only to Windows and Unix/Linux).
// See https://developer.mozilla.org/En/NPN_SetValue#section_5. Return
// NPERR_NO_ERROR here to conform to other browsers' behavior on OS X
// (e.g. Safari and Opera).
return NPERR_NO_ERROR;
#else
NPBool bWindowless = (result == nsnull);
return inst->SetWindowless(bWindowless);
#endif
}
case NPPVpluginTransparentBool: {
NPBool bTransparent = (result != nsnull);
return inst->SetTransparent(bTransparent);
}
case NPPVjavascriptPushCallerBool:
{
nsresult rv;
nsCOMPtr<nsIJSContextStack> contextStack =
do_GetService("@mozilla.org/js/xpc/ContextStack;1", &rv);
if (NS_SUCCEEDED(rv)) {
NPBool bPushCaller = (result != nsnull);
if (bPushCaller) {
JSContext *cx;
rv = inst->GetJSContext(&cx);
if (NS_SUCCEEDED(rv))
rv = contextStack->Push(cx);
} else {
rv = contextStack->Pop(nsnull);
}
}
return NS_SUCCEEDED(rv) ? NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
}
case NPPVpluginKeepLibraryInMemory: {
// This variable is not supported any more but we'll pretend it is
// so that plugins don't fail on an error return.
return NS_OK;
}
case NPPVpluginUsesDOMForCursorBool: {
PRBool useDOMForCursor = (result != nsnull);
return inst->SetUsesDOMForCursor(useDOMForCursor);
}
#ifdef XP_MACOSX
case NPPVpluginDrawingModel: {
if (inst) {
inst->SetDrawingModel((NPDrawingModel)NS_PTR_TO_INT32(result));
return NPERR_NO_ERROR;
}
else {
return NPERR_GENERIC_ERROR;
}
}
case NPPVpluginEventModel: {
if (inst) {
inst->SetEventModel((NPEventModel)NS_PTR_TO_INT32(result));
return NPERR_NO_ERROR;
}
else {
return NPERR_GENERIC_ERROR;
}
}
#endif
default:
return NPERR_GENERIC_ERROR;
}
}
NPError NP_CALLBACK
_requestread(NPStream *pstream, NPByteRange *rangeList)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_requestread called from the wrong thread\n"));
return NPERR_INVALID_PARAM;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_RequestRead: stream=%p\n",
(void*)pstream));
#ifdef PLUGIN_LOGGING
for(NPByteRange * range = rangeList; range != nsnull; range = range->next)
PR_LOG(nsPluginLogging::gNPNLog,PLUGIN_LOG_NOISY,
("%i-%i", range->offset, range->offset + range->length - 1));
PR_LOG(nsPluginLogging::gNPNLog,PLUGIN_LOG_NOISY, ("\n\n"));
PR_LogFlush();
#endif
if (!pstream || !rangeList || !pstream->ndata)
return NPERR_INVALID_PARAM;
nsNPAPIPluginStreamListener* streamlistener = (nsNPAPIPluginStreamListener*)pstream->ndata;
PRInt32 streamtype = NP_NORMAL;
streamlistener->GetStreamType(&streamtype);
if (streamtype != NP_SEEK)
return NPERR_STREAM_NOT_SEEKABLE;
if (!streamlistener->mStreamInfo)
return NPERR_GENERIC_ERROR;
nsresult rv = streamlistener->mStreamInfo
->RequestRead((NPByteRange *)rangeList);
if (NS_FAILED(rv))
return NPERR_GENERIC_ERROR;
return NS_OK;
}
// Deprecated, only stubbed out
void* NP_CALLBACK /* OJI type: JRIEnv* */
_getJavaEnv()
{
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_GetJavaEnv\n"));
return NULL;
}
const char * NP_CALLBACK
_useragent(NPP npp)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_useragent called from the wrong thread\n"));
return nsnull;
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_UserAgent: npp=%p\n", (void*)npp));
nsCOMPtr<nsIPluginHost> pluginHostCOM(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID));
nsPluginHost *pluginHost = static_cast<nsPluginHost*>(pluginHostCOM.get());
if (!pluginHost) {
return nsnull;
}
const char *retstr;
nsresult rv = pluginHost->UserAgent(&retstr);
if (NS_FAILED(rv))
return nsnull;
return retstr;
}
void * NP_CALLBACK
_memalloc (uint32_t size)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,("NPN_memalloc called from the wrong thread\n"));
}
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY, ("NPN_MemAlloc: size=%d\n", size));
return nsMemory::Alloc(size);
}
// Deprecated, only stubbed out
void* NP_CALLBACK /* OJI type: jref */
_getJavaPeer(NPP npp)
{
NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_GetJavaPeer: npp=%p\n", (void*)npp));
return NULL;
}
void NP_CALLBACK
_pushpopupsenabledstate(NPP npp, NPBool enabled)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_pushpopupsenabledstate called from the wrong thread\n"));
return;
}
nsNPAPIPluginInstance *inst = npp ? (nsNPAPIPluginInstance *)npp->ndata : NULL;
if (!inst)
return;
inst->PushPopupsEnabledState(enabled);
}
void NP_CALLBACK
_poppopupsenabledstate(NPP npp)
{
if (!NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_poppopupsenabledstate called from the wrong thread\n"));
return;
}
nsNPAPIPluginInstance *inst = npp ? (nsNPAPIPluginInstance *)npp->ndata : NULL;
if (!inst)
return;
inst->PopPopupsEnabledState();
}
void NP_CALLBACK
_pluginthreadasynccall(NPP instance, PluginThreadCallback func, void *userData)
{
if (NS_IsMainThread()) {
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,("NPN_pluginthreadasynccall called from the main thread\n"));
} else {
NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,("NPN_pluginthreadasynccall called from a non main thread\n"));
}
nsRefPtr<nsPluginThreadRunnable> evt =
new nsPluginThreadRunnable(instance, func, userData);
if (evt && evt->IsValid()) {
NS_DispatchToMainThread(evt);
}
}
NPError NP_CALLBACK
_getvalueforurl(NPP instance, NPNURLVariable variable, const char *url,
char **value, uint32_t *len)
{
if (!instance) {
return NPERR_INVALID_PARAM;
}
if (!url || !*url || !len) {
return NPERR_INVALID_URL;
}
*len = 0;
switch (variable) {
case NPNURLVProxy:
{
nsCOMPtr<nsIPluginHost> pluginHostCOM(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID));
nsPluginHost *pluginHost = static_cast<nsPluginHost*>(pluginHostCOM.get());
if (pluginHost && NS_SUCCEEDED(pluginHost->FindProxyForURL(url, value))) {
*len = *value ? PL_strlen(*value) : 0;
return NPERR_NO_ERROR;
}
break;
}
case NPNURLVCookie:
{
nsCOMPtr<nsICookieService> cookieService =
do_GetService(NS_COOKIESERVICE_CONTRACTID);
if (!cookieService)
return NPERR_GENERIC_ERROR;
// Make an nsURI from the url argument
nsCOMPtr<nsIURI> uri;
if (NS_FAILED(NS_NewURI(getter_AddRefs(uri), nsDependentCString(url)))) {
return NPERR_GENERIC_ERROR;
}
if (NS_FAILED(cookieService->GetCookieString(uri, nsnull, value)) ||
!*value) {
return NPERR_GENERIC_ERROR;
}
*len = PL_strlen(*value);
return NPERR_NO_ERROR;
}
break;
default:
// Fall through and return an error...
;
}
return NPERR_GENERIC_ERROR;
}
NPError NP_CALLBACK
_setvalueforurl(NPP instance, NPNURLVariable variable, const char *url,
const char *value, uint32_t len)
{
if (!instance) {
return NPERR_INVALID_PARAM;
}
if (!url || !*url) {
return NPERR_INVALID_URL;
}
switch (variable) {
case NPNURLVCookie:
{
if (!url || !value || (0 >= len))
return NPERR_INVALID_PARAM;
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIIOService> ioService(do_GetService(NS_IOSERVICE_CONTRACTID, &rv));
if (NS_FAILED(rv))
return NPERR_GENERIC_ERROR;
nsCOMPtr<nsICookieService> cookieService = do_GetService(NS_COOKIESERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv))
return NPERR_GENERIC_ERROR;
nsCOMPtr<nsIURI> uriIn;
rv = ioService->NewURI(nsDependentCString(url), nsnull, nsnull, getter_AddRefs(uriIn));
if (NS_FAILED(rv))
return NPERR_GENERIC_ERROR;
nsCOMPtr<nsIPrompt> prompt;
nsPluginHost::GetPrompt(nsnull, getter_AddRefs(prompt));
char *cookie = (char*)value;
char c = cookie[len];
cookie[len] = '\0';
rv = cookieService->SetCookieString(uriIn, prompt, cookie, nsnull);
cookie[len] = c;
if (NS_SUCCEEDED(rv))
return NPERR_NO_ERROR;
}
break;
case NPNURLVProxy:
// We don't support setting proxy values, fall through...
default:
// Fall through and return an error...
;
}
return NPERR_GENERIC_ERROR;
}
NPError NP_CALLBACK
_getauthenticationinfo(NPP instance, const char *protocol, const char *host,
int32_t port, const char *scheme, const char *realm,
char **username, uint32_t *ulen, char **password,
uint32_t *plen)
{
if (!instance || !protocol || !host || !scheme || !realm || !username ||
!ulen || !password || !plen)
return NPERR_INVALID_PARAM;
*username = nsnull;
*password = nsnull;
*ulen = 0;
*plen = 0;
nsDependentCString proto(protocol);
if (!proto.LowerCaseEqualsLiteral("http") &&
!proto.LowerCaseEqualsLiteral("https"))
return NPERR_GENERIC_ERROR;
nsCOMPtr<nsIHttpAuthManager> authManager =
do_GetService("@mozilla.org/network/http-auth-manager;1");
if (!authManager)
return NPERR_GENERIC_ERROR;
nsAutoString unused, uname16, pwd16;
if (NS_FAILED(authManager->GetAuthIdentity(proto, nsDependentCString(host),
port, nsDependentCString(scheme),
nsDependentCString(realm),
EmptyCString(), unused, uname16,
pwd16))) {
return NPERR_GENERIC_ERROR;
}
NS_ConvertUTF16toUTF8 uname8(uname16);
NS_ConvertUTF16toUTF8 pwd8(pwd16);
*username = ToNewCString(uname8);
*ulen = *username ? uname8.Length() : 0;
*password = ToNewCString(pwd8);
*plen = *password ? pwd8.Length() : 0;
return NPERR_NO_ERROR;
}
uint32_t NP_CALLBACK
_scheduletimer(NPP instance, uint32_t interval, NPBool repeat, PluginTimerFunc timerFunc)
{
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
if (!inst)
return 0;
return inst->ScheduleTimer(interval, repeat, timerFunc);
}
void NP_CALLBACK
_unscheduletimer(NPP instance, uint32_t timerID)
{
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
if (!inst)
return;
inst->UnscheduleTimer(timerID);
}
NPError NP_CALLBACK
_popupcontextmenu(NPP instance, NPMenu* menu)
{
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
if (!inst)
return NPERR_GENERIC_ERROR;
return inst->PopUpContextMenu(menu);
}
NPBool NP_CALLBACK
_convertpoint(NPP instance, double sourceX, double sourceY, NPCoordinateSpace sourceSpace, double *destX, double *destY, NPCoordinateSpace destSpace)
{
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
if (!inst)
return PR_FALSE;
return inst->ConvertPoint(sourceX, sourceY, sourceSpace, destX, destY, destSpace);
}
void NP_CALLBACK
_urlredirectresponse(NPP instance, void* notifyData, NPBool allow)
{
nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
if (!inst) {
return;
}
inst->URLRedirectResponse(notifyData, allow);
}
} /* namespace parent */
} /* namespace plugins */
} /* namespace mozilla */
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