Source/WebCore/plugins/blackberry/PluginPackageBlackBerry.cpp - external/WebKit_submodule - Git at Google

 /*
  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Collabora Ltd. All rights reserved.
  * Copyright (C) 2011 Research In Motion Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include "config.h"
 #include "PluginPackage.h"

 #include "MIMETypeRegistry.h"
 #include "NotImplemented.h"
 #include "PluginDebug.h"
 #include "npruntime_impl.h"

 #include <dlfcn.h>
 #include <errno.h>
 #include <string.h>
 #include <wtf/StringHasher.h>
 #include <wtf/text/CString.h>

 extern int errno;

 namespace WebCore {

 void npnMemFree(void* ptr)
 {
     // We could use fastFree here, but there might be plug-ins that mix NPN_MemAlloc/NPN_MemFree with malloc and free,
     // so having them be equivalent seems like a good idea.
     free(ptr);
 }

 bool PluginPackage::equal(PluginPackage const& a, PluginPackage const& b)
 {
     if (a.m_name != b.m_name)
         return false;

     if (a.m_description != b.m_description)
         return false;

     if (a.m_mimeToExtensions.size() != b.m_mimeToExtensions.size())
         return false;

     MIMEToExtensionsMap::const_iterator::Keys end = a.m_mimeToExtensions.end().keys();
     for (MIMEToExtensionsMap::const_iterator::Keys it = a.m_mimeToExtensions.begin().keys(); it != end; ++it) {
         if (!b.m_mimeToExtensions.contains(*it))
             return false;
     }

     return true;
 }

 bool PluginPackage::fetchInfo()
 {
     if (!load())
         return false;

     // FIXME: Find a better way to get around the fetchinfo load.
     // We are fetching the info. Technically we have not loaded the plugin. PluginView::Init will load the plugin so decrement the counter
     m_loadCount--;

     NP_GetMIMEDescriptionFuncPtr getDescription = (NP_GetMIMEDescriptionFuncPtr) dlsym(m_module, "NP_GetMIMEDescription");
     NPP_GetValueProcPtr getValue = (NPP_GetValueProcPtr) dlsym(m_module, "NP_GetValue");

     if (!getDescription || !getValue)
         return false;

     char* buf = 0;
     NPError err = getValue(0, NPPVpluginNameString, (void *) &buf);
     if (err != NPERR_NO_ERROR)
         return false;

     m_name = buf;

     err = getValue(0, NPPVpluginDescriptionString, (void *) &buf);
     if (err != NPERR_NO_ERROR)
         return false;

     m_description = buf;
     determineModuleVersionFromDescription();

     String s = getDescription();
     Vector<String> types;
     s.split(UChar(';'), false, types);
     for (unsigned i = 0; i < types.size(); ++i) {
         Vector<String> mime;
         types[i].split(UChar(':'), true, mime);
         if (mime.size() > 0) {
             Vector<String> extensions;
             if (mime.size() > 1)
                 mime[1].split(UChar(','), false, extensions);
             determineQuirks(mime[0]);
             m_mimeToExtensions.add(mime[0], extensions);
             if (mime.size() > 2)
                 m_mimeToDescriptions.add(mime[0], mime[2]);
         }
     }

     return true;
 }

 Vector<String> PluginPackage::sitesWithData()
 {
     Vector<String> sites;
     tryGetSitesWithData(sites);

     return sites;
 }

 bool PluginPackage::clearSiteData(const String& site, uint64_t flags, uint64_t maxAge)
 {
     bool result = tryClearSiteData(site, flags, maxAge);

     return result;
 }

 bool PluginPackage::tryGetSitesWithData(Vector<String>& sites)
 {
     if (!load())
         return false;

     // FIXME: Find a better way to ensure the plugin is loaded.
     // PluginView::Init will load the plugin so decrement the counter
     m_loadCount--;

     // Check if the plug-in supports NPP_GetSitesWithData.
     if (!m_pluginFuncs.getsiteswithdata)
         return false;

     char** siteArray = m_pluginFuncs.getsiteswithdata();

     // There were no sites with data.
     if (!siteArray)
         return true;

     for (int i = 0; siteArray[i]; ++i) {
         char* site = siteArray[i];

         String siteString = String::fromUTF8(site);
         if (!siteString.isNull())
             sites.append(siteString);

         npnMemFree(site);
     }

     npnMemFree(siteArray);
     return true;
 }

 bool PluginPackage::tryClearSiteData(const String& site, uint64_t flags, uint64_t maxAge)
 {
     if (!load())
         return false;

     // FIXME: Find a better way to ensure the plugin is loaded.
     // PluginView::Init will load the plugin so decrement the counter
     m_loadCount--;

     // Check if the plug-in supports NPP_ClearSiteData.
     if (!m_pluginFuncs.clearsitedata)
         return false;

     CString siteString;
     if (!site.isNull())
         siteString = site.utf8();

     return m_pluginFuncs.clearsitedata(siteString.data(), flags, maxAge) == NPERR_NO_ERROR;
 }

 unsigned PluginPackage::hash() const
 {
     const unsigned hashCodes[] = {
         m_name.impl()->hash(),
         m_description.impl()->hash(),
         m_mimeToExtensions.size(),
         m_path.impl()->hash()
     };

     return StringHasher::computeHashAndMaskTop8Bits(reinterpret_cast<const UChar*>(hashCodes), sizeof(hashCodes) / sizeof(UChar));
 }

 bool PluginPackage::load()
 {
     if (m_isLoaded) {
         m_loadCount++;
         return true;
     }

     if (m_freeLibraryTimer.isActive()) {
         ASSERT(m_module);
         m_freeLibraryTimer.stop();
     } else {
         ASSERT(!m_loadCount);
         m_module = dlopen(m_path.utf8().data(), RTLD_LAZY);
     }

     if (!m_module) {
         LOG(Plugins, "%s not loaded (%s)", m_path.utf8().data(), strerror(errno));
         printf("PluginPackage::load() - %s not loaded (%s)", m_path.utf8().data(), strerror(errno));
         return false;
     }

     m_isLoaded = true;

     NP_InitializeFuncPtr NP_Initialize;
     NPError npErr;

     NP_Initialize = (NP_InitializeFuncPtr)dlsym(m_module, "NP_Initialize");
     m_NPP_Shutdown = (NPP_ShutdownProcPtr)dlsym(m_module, "NP_Shutdown");

     if (!NP_Initialize || !m_NPP_Shutdown)
         goto abort;

     memset(&m_pluginFuncs, 0, sizeof(m_pluginFuncs));
     m_pluginFuncs.size = sizeof(m_pluginFuncs);

     initializeBrowserFuncs();

     npErr = NP_Initialize(&m_browserFuncs,  &m_pluginFuncs);

     if (npErr != NPERR_NO_ERROR)
         goto abort;

     m_loadCount = 1;
     return true;

 abort:
     unloadWithoutShutdown();
     return false;
 }

 #if ENABLE(NETSCAPE_PLUGIN_API)
 uint16_t PluginPackage::NPVersion() const
 {
     return NPVERS_HAS_PLUGIN_THREAD_ASYNC_CALL;
 }
 #endif

 } // namespace WebCore
	/*
	* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
	* Copyright (C) 2008 Collabora Ltd. All rights reserved.
	* Copyright (C) 2011 Research In Motion Limited. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include "config.h"
	#include "PluginPackage.h"

	#include "MIMETypeRegistry.h"
	#include "NotImplemented.h"
	#include "PluginDebug.h"
	#include "npruntime_impl.h"

	#include <dlfcn.h>
	#include <errno.h>
	#include <string.h>
	#include <wtf/StringHasher.h>
	#include <wtf/text/CString.h>

	extern int errno;

	namespace WebCore {

	void npnMemFree(void* ptr)
	{
	// We could use fastFree here, but there might be plug-ins that mix NPN_MemAlloc/NPN_MemFree with malloc and free,
	// so having them be equivalent seems like a good idea.
	free(ptr);
	}

	bool PluginPackage::equal(PluginPackage const& a, PluginPackage const& b)
	{
	if (a.m_name != b.m_name)
	return false;

	if (a.m_description != b.m_description)
	return false;

	if (a.m_mimeToExtensions.size() != b.m_mimeToExtensions.size())
	return false;

	MIMEToExtensionsMap::const_iterator::Keys end = a.m_mimeToExtensions.end().keys();
	for (MIMEToExtensionsMap::const_iterator::Keys it = a.m_mimeToExtensions.begin().keys(); it != end; ++it) {
	if (!b.m_mimeToExtensions.contains(*it))
	return false;
	}

	return true;
	}

	bool PluginPackage::fetchInfo()
	{
	if (!load())
	return false;

	// FIXME: Find a better way to get around the fetchinfo load.
	// We are fetching the info. Technically we have not loaded the plugin. PluginView::Init will load the plugin so decrement the counter
	m_loadCount--;

	NP_GetMIMEDescriptionFuncPtr getDescription = (NP_GetMIMEDescriptionFuncPtr) dlsym(m_module, "NP_GetMIMEDescription");
	NPP_GetValueProcPtr getValue = (NPP_GetValueProcPtr) dlsym(m_module, "NP_GetValue");

	if (!getDescription \|\| !getValue)
	return false;

	char* buf = 0;
	NPError err = getValue(0, NPPVpluginNameString, (void *) &buf);
	if (err != NPERR_NO_ERROR)
	return false;

	m_name = buf;

	err = getValue(0, NPPVpluginDescriptionString, (void *) &buf);
	if (err != NPERR_NO_ERROR)
	return false;

	m_description = buf;
	determineModuleVersionFromDescription();

	String s = getDescription();
	Vector<String> types;
	s.split(UChar(';'), false, types);
	for (unsigned i = 0; i < types.size(); ++i) {
	Vector<String> mime;
	types[i].split(UChar(':'), true, mime);
	if (mime.size() > 0) {
	Vector<String> extensions;
	if (mime.size() > 1)
	mime[1].split(UChar(','), false, extensions);
	determineQuirks(mime[0]);
	m_mimeToExtensions.add(mime[0], extensions);
	if (mime.size() > 2)
	m_mimeToDescriptions.add(mime[0], mime[2]);
	}
	}

	return true;
	}

	Vector<String> PluginPackage::sitesWithData()
	{
	Vector<String> sites;
	tryGetSitesWithData(sites);

	return sites;
	}

	bool PluginPackage::clearSiteData(const String& site, uint64_t flags, uint64_t maxAge)
	{
	bool result = tryClearSiteData(site, flags, maxAge);

	return result;
	}

	bool PluginPackage::tryGetSitesWithData(Vector<String>& sites)
	{
	if (!load())
	return false;

	// FIXME: Find a better way to ensure the plugin is loaded.
	// PluginView::Init will load the plugin so decrement the counter
	m_loadCount--;

	// Check if the plug-in supports NPP_GetSitesWithData.
	if (!m_pluginFuncs.getsiteswithdata)
	return false;

	char** siteArray = m_pluginFuncs.getsiteswithdata();

	// There were no sites with data.
	if (!siteArray)
	return true;

	for (int i = 0; siteArray[i]; ++i) {
	char* site = siteArray[i];

	String siteString = String::fromUTF8(site);
	if (!siteString.isNull())
	sites.append(siteString);

	npnMemFree(site);
	}

	npnMemFree(siteArray);
	return true;
	}

	bool PluginPackage::tryClearSiteData(const String& site, uint64_t flags, uint64_t maxAge)
	{
	if (!load())
	return false;

	// FIXME: Find a better way to ensure the plugin is loaded.
	// PluginView::Init will load the plugin so decrement the counter
	m_loadCount--;

	// Check if the plug-in supports NPP_ClearSiteData.
	if (!m_pluginFuncs.clearsitedata)
	return false;

	CString siteString;
	if (!site.isNull())
	siteString = site.utf8();

	return m_pluginFuncs.clearsitedata(siteString.data(), flags, maxAge) == NPERR_NO_ERROR;
	}

	unsigned PluginPackage::hash() const
	{
	const unsigned hashCodes[] = {
	m_name.impl()->hash(),
	m_description.impl()->hash(),
	m_mimeToExtensions.size(),
	m_path.impl()->hash()
	};

	return StringHasher::computeHashAndMaskTop8Bits(reinterpret_cast<const UChar*>(hashCodes), sizeof(hashCodes) / sizeof(UChar));
	}

	bool PluginPackage::load()
	{
	if (m_isLoaded) {
	m_loadCount++;
	return true;
	}

	if (m_freeLibraryTimer.isActive()) {
	ASSERT(m_module);
	m_freeLibraryTimer.stop();
	} else {
	ASSERT(!m_loadCount);
	m_module = dlopen(m_path.utf8().data(), RTLD_LAZY);
	}

	if (!m_module) {
	LOG(Plugins, "%s not loaded (%s)", m_path.utf8().data(), strerror(errno));
	printf("PluginPackage::load() - %s not loaded (%s)", m_path.utf8().data(), strerror(errno));
	return false;
	}

	m_isLoaded = true;

	NP_InitializeFuncPtr NP_Initialize;
	NPError npErr;

	NP_Initialize = (NP_InitializeFuncPtr)dlsym(m_module, "NP_Initialize");
	m_NPP_Shutdown = (NPP_ShutdownProcPtr)dlsym(m_module, "NP_Shutdown");

	if (!NP_Initialize \|\| !m_NPP_Shutdown)
	goto abort;

	memset(&m_pluginFuncs, 0, sizeof(m_pluginFuncs));
	m_pluginFuncs.size = sizeof(m_pluginFuncs);

	initializeBrowserFuncs();

	npErr = NP_Initialize(&m_browserFuncs, &m_pluginFuncs);

	if (npErr != NPERR_NO_ERROR)
	goto abort;

	m_loadCount = 1;
	return true;

	abort:
	unloadWithoutShutdown();
	return false;
	}

	#if ENABLE(NETSCAPE_PLUGIN_API)
	uint16_t PluginPackage::NPVersion() const
	{
	return NPVERS_HAS_PLUGIN_THREAD_ASYNC_CALL;
	}
	#endif

	} // namespace WebCore