WebBasePluginPackage.mm [plain text]
/*
* Copyright (C) 2005 Apple Computer, Inc. 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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.
*/
#import <WebKit/WebBasePluginPackage.h>
#import <algorithm>
#import <WebCore/RunLoop.h>
#import <WebCore/WebCoreObjCExtras.h>
#import <WebKit/WebKitNSStringExtras.h>
#import <WebKit/WebNSObjectExtras.h>
#import <WebKit/WebNetscapePluginPackage.h>
#import <WebKit/WebPluginPackage.h>
#import <runtime/InitializeThreading.h>
#import <wtf/Assertions.h>
#import <wtf/MainThread.h>
#import <wtf/Vector.h>
#import <wtf/text/CString.h>
#import <WebKitSystemInterface.h>
#import "WebKitLogging.h"
#import "WebTypesInternal.h"
#import <mach-o/arch.h>
#import <mach-o/fat.h>
#import <mach-o/loader.h>
#define JavaCocoaPluginIdentifier "com.apple.JavaPluginCocoa"
#define JavaCarbonPluginIdentifier "com.apple.JavaAppletPlugin"
#define JavaCFMPluginFilename "Java Applet Plugin Enabler"
#define QuickTimeCarbonPluginIdentifier "com.apple.QuickTime Plugin.plugin"
#define QuickTimeCocoaPluginIdentifier "com.apple.quicktime.webplugin"
@interface NSArray (WebPluginExtensions)
- (NSArray *)_web_lowercaseStrings;
@end;
using namespace std;
using namespace WebCore;
@implementation WebBasePluginPackage
+ (void)initialize
{
JSC::initializeThreading();
WTF::initializeMainThreadToProcessMainThread();
WebCore::RunLoop::initializeMainRunLoop();
WebCoreObjCFinalizeOnMainThread(self);
}
+ (WebBasePluginPackage *)pluginWithPath:(NSString *)pluginPath
{
WebBasePluginPackage *pluginPackage = [[WebPluginPackage alloc] initWithPath:pluginPath];
if (!pluginPackage) {
#if ENABLE(NETSCAPE_PLUGIN_API)
pluginPackage = [[WebNetscapePluginPackage alloc] initWithPath:pluginPath];
#else
return nil;
#endif
}
return [pluginPackage autorelease];
}
+ (NSString *)preferredLocalizationName
{
return WebCFAutorelease(WKCopyCFLocalizationPreferredName(NULL));
}
#if COMPILER(CLANG)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#endif
// FIXME: Rewrite this in terms of -[NSURL URLByResolvingBookmarkData:…].
static NSString *pathByResolvingSymlinksAndAliases(NSString *thePath)
{
NSString *newPath = [thePath stringByResolvingSymlinksInPath];
FSRef fref;
OSStatus err;
err = FSPathMakeRef((const UInt8 *)[thePath fileSystemRepresentation], &fref, NULL);
if (err != noErr)
return newPath;
Boolean targetIsFolder;
Boolean wasAliased;
err = FSResolveAliasFileWithMountFlags(&fref, TRUE, &targetIsFolder, &wasAliased, kResolveAliasFileNoUI);
if (err != noErr)
return newPath;
if (wasAliased) {
CFURLRef URL = CFURLCreateFromFSRef(kCFAllocatorDefault, &fref);
newPath = [(NSURL *)URL path];
CFRelease(URL);
}
return newPath;
}
#if COMPILER(CLANG)
#pragma clang diagnostic pop
#endif
- (id)initWithPath:(NSString *)pluginPath
{
if (!(self = [super init]))
return nil;
path = pathByResolvingSymlinksAndAliases(pluginPath);
cfBundle.adoptCF(CFBundleCreate(kCFAllocatorDefault, (CFURLRef)[NSURL fileURLWithPath:path]));
#ifndef __ppc__
// 32-bit PowerPC is the only platform where non-bundled CFM plugins are supported
if (!cfBundle) {
[self release];
return nil;
}
#endif
return self;
}
- (void)unload
{
}
- (void)createPropertyListFile
{
if ([self load] && BP_CreatePluginMIMETypesPreferences) {
BP_CreatePluginMIMETypesPreferences();
[self unload];
}
}
- (NSDictionary *)pListForPath:(NSString *)pListPath createFile:(BOOL)createFile
{
if (createFile)
[self createPropertyListFile];
NSDictionary *pList = nil;
NSData *data = [NSData dataWithContentsOfFile:pListPath];
if (data) {
pList = [NSPropertyListSerialization propertyListFromData:data
mutabilityOption:NSPropertyListImmutable
format:nil
errorDescription:nil];
}
return pList;
}
- (id)_objectForInfoDictionaryKey:(NSString *)key
{
CFDictionaryRef bundleInfoDictionary = CFBundleGetInfoDictionary(cfBundle.get());
if (!bundleInfoDictionary)
return nil;
return (id)CFDictionaryGetValue(bundleInfoDictionary, key);
}
- (BOOL)getPluginInfoFromPLists
{
if (!cfBundle)
return NO;
NSDictionary *MIMETypes = nil;
NSString *pListFilename = [self _objectForInfoDictionaryKey:WebPluginMIMETypesFilenameKey];
// Check if the MIME types are claimed in a plist in the user's preferences directory.
if (pListFilename) {
NSString *pListPath = [NSString stringWithFormat:@"%@/Library/Preferences/%@", NSHomeDirectory(), pListFilename];
NSDictionary *pList = [self pListForPath:pListPath createFile:NO];
if (pList) {
// If the plist isn't localized, have the plug-in recreate it in the preferred language.
NSString *localizationName = [pList objectForKey:WebPluginLocalizationNameKey];
if (![localizationName isEqualToString:[[self class] preferredLocalizationName]])
pList = [self pListForPath:pListPath createFile:YES];
MIMETypes = [pList objectForKey:WebPluginMIMETypesKey];
} else
// Plist doesn't exist, ask the plug-in to create it.
MIMETypes = [[self pListForPath:pListPath createFile:YES] objectForKey:WebPluginMIMETypesKey];
}
if (!MIMETypes) {
MIMETypes = [self _objectForInfoDictionaryKey:WebPluginMIMETypesKey];
if (!MIMETypes)
return NO;
}
NSEnumerator *keyEnumerator = [MIMETypes keyEnumerator];
NSDictionary *MIMEDictionary;
NSString *MIME, *description;
NSArray *extensions;
while ((MIME = [keyEnumerator nextObject]) != nil) {
MIMEDictionary = [MIMETypes objectForKey:MIME];
// FIXME: Consider storing disabled MIME types.
NSNumber *isEnabled = [MIMEDictionary objectForKey:WebPluginTypeEnabledKey];
if (isEnabled && [isEnabled boolValue] == NO)
continue;
MimeClassInfo mimeClassInfo;
extensions = [[MIMEDictionary objectForKey:WebPluginExtensionsKey] _web_lowercaseStrings];
for (NSUInteger i = 0; i < [extensions count]; ++i) {
// The DivX plug-in lists multiple extensions in a comma separated string instead of using
// multiple array elements in the property list. Work around this here by splitting the
// extension string into components.
NSArray *extensionComponents = [[extensions objectAtIndex:i] componentsSeparatedByString:@","];
for (NSString *extension in extensionComponents)
mimeClassInfo.extensions.append(extension);
}
if ([extensions count] == 0)
extensions = [NSArray arrayWithObject:@""];
mimeClassInfo.type = String(MIME).lower();
description = [MIMEDictionary objectForKey:WebPluginTypeDescriptionKey];
mimeClassInfo.desc = description;
pluginInfo.mimes.append(mimeClassInfo);
if (!description)
description = @"";
}
NSString *filename = [(NSString *)path lastPathComponent];
pluginInfo.file = filename;
NSString *theName = [self _objectForInfoDictionaryKey:WebPluginNameKey];
if (!theName)
theName = filename;
pluginInfo.name = theName;
description = [self _objectForInfoDictionaryKey:WebPluginDescriptionKey];
if (!description)
description = filename;
pluginInfo.desc = description;
return YES;
}
- (BOOL)load
{
if (cfBundle && !BP_CreatePluginMIMETypesPreferences)
BP_CreatePluginMIMETypesPreferences = (BP_CreatePluginMIMETypesPreferencesFuncPtr)CFBundleGetFunctionPointerForName(cfBundle.get(), CFSTR("BP_CreatePluginMIMETypesPreferences"));
return YES;
}
- (void)dealloc
{
ASSERT(!pluginDatabases || [pluginDatabases count] == 0);
[pluginDatabases release];
[super dealloc];
}
- (void)finalize
{
ASSERT_MAIN_THREAD();
ASSERT(!pluginDatabases || [pluginDatabases count] == 0);
[pluginDatabases release];
[super finalize];
}
- (const String&)path
{
return path;
}
- (const PluginInfo&)pluginInfo
{
return pluginInfo;
}
- (BOOL)supportsExtension:(const String&)extension
{
ASSERT(extension.lower() == extension);
for (size_t i = 0; i < pluginInfo.mimes.size(); ++i) {
const Vector<String>& extensions = pluginInfo.mimes[i].extensions;
if (find(extensions.begin(), extensions.end(), extension) != extensions.end())
return YES;
}
return NO;
}
- (BOOL)supportsMIMEType:(const WTF::String&)mimeType
{
ASSERT(mimeType.lower() == mimeType);
for (size_t i = 0; i < pluginInfo.mimes.size(); ++i) {
if (pluginInfo.mimes[i].type == mimeType)
return YES;
}
return NO;
}
- (NSString *)MIMETypeForExtension:(const String&)extension
{
ASSERT(extension.lower() == extension);
for (size_t i = 0; i < pluginInfo.mimes.size(); ++i) {
const MimeClassInfo& mimeClassInfo = pluginInfo.mimes[i];
const Vector<String>& extensions = mimeClassInfo.extensions;
if (find(extensions.begin(), extensions.end(), extension) != extensions.end())
return mimeClassInfo.type;
}
return nil;
}
- (BOOL)isQuickTimePlugIn
{
const String& bundleIdentifier = [self bundleIdentifier];
return bundleIdentifier == QuickTimeCocoaPluginIdentifier || bundleIdentifier == QuickTimeCocoaPluginIdentifier;
}
- (BOOL)isJavaPlugIn
{
const String& bundleIdentifier = [self bundleIdentifier];
return bundleIdentifier == JavaCocoaPluginIdentifier || bundleIdentifier == JavaCarbonPluginIdentifier ||
equalIgnoringCase(pluginInfo.file, JavaCFMPluginFilename);
}
static inline void swapIntsInHeader(uint32_t* rawData, size_t length)
{
for (size_t i = 0; i < length; ++i)
rawData[i] = OSSwapInt32(rawData[i]);
}
- (BOOL)isNativeLibraryData:(NSData *)data
{
NSUInteger sizeInBytes = [data length];
Vector<uint32_t, 128> rawData((sizeInBytes + 3) / 4);
memcpy(rawData.data(), [data bytes], sizeInBytes);
unsigned numArchs = 0;
struct fat_arch singleArch = { 0, 0, 0, 0, 0 };
struct fat_arch* archs = 0;
if (sizeInBytes >= sizeof(struct mach_header_64)) {
uint32_t magic = *rawData.data();
if (magic == MH_MAGIC || magic == MH_CIGAM) {
// We have a 32-bit thin binary
struct mach_header* header = (struct mach_header*)rawData.data();
// Check if we need to swap the bytes
if (magic == MH_CIGAM)
swapIntsInHeader(rawData.data(), rawData.size());
singleArch.cputype = header->cputype;
singleArch.cpusubtype = header->cpusubtype;
archs = &singleArch;
numArchs = 1;
} else if (magic == MH_MAGIC_64 || magic == MH_CIGAM_64) {
// We have a 64-bit thin binary
struct mach_header_64* header = (struct mach_header_64*)rawData.data();
// Check if we need to swap the bytes
if (magic == MH_CIGAM_64)
swapIntsInHeader(rawData.data(), rawData.size());
singleArch.cputype = header->cputype;
singleArch.cpusubtype = header->cpusubtype;
archs = &singleArch;
numArchs = 1;
} else if (magic == FAT_MAGIC || magic == FAT_CIGAM) {
// We have a fat (universal) binary
// Check if we need to swap the bytes
if (magic == FAT_CIGAM)
swapIntsInHeader(rawData.data(), rawData.size());
COMPILE_ASSERT(sizeof(struct fat_header) % sizeof(uint32_t) == 0, struct_fat_header_must_be_integral_size_of_uint32_t);
archs = reinterpret_cast<struct fat_arch*>(rawData.data() + sizeof(struct fat_header) / sizeof(uint32_t));
numArchs = reinterpret_cast<struct fat_header*>(rawData.data())->nfat_arch;
unsigned maxArchs = (sizeInBytes - sizeof(struct fat_header)) / sizeof(struct fat_arch);
if (numArchs > maxArchs)
numArchs = maxArchs;
}
}
if (!archs || !numArchs)
return NO;
const NXArchInfo* localArch = NXGetLocalArchInfo();
if (!localArch)
return NO;
cpu_type_t cputype = localArch->cputype;
cpu_subtype_t cpusubtype = localArch->cpusubtype;
#ifdef __x86_64__
// NXGetLocalArchInfo returns CPU_TYPE_X86 even when running in 64-bit.
// See <rdar://problem/4996965> for more information.
cputype = CPU_TYPE_X86_64;
#endif
return NXFindBestFatArch(cputype, cpusubtype, archs, numArchs) != 0;
}
- (UInt32)versionNumber
{
// CFBundleGetVersionNumber doesn't work with all possible versioning schemes, but we think for now it's good enough for us.
return CFBundleGetVersionNumber(cfBundle.get());
}
- (void)wasAddedToPluginDatabase:(WebPluginDatabase *)database
{
if (!pluginDatabases)
pluginDatabases = [[NSMutableSet alloc] init];
ASSERT(![pluginDatabases containsObject:database]);
[pluginDatabases addObject:database];
}
- (void)wasRemovedFromPluginDatabase:(WebPluginDatabase *)database
{
ASSERT(pluginDatabases);
ASSERT([pluginDatabases containsObject:database]);
[pluginDatabases removeObject:database];
}
- (String)bundleIdentifier
{
return CFBundleGetIdentifier(cfBundle.get());
}
- (String)bundleVersion
{
CFDictionaryRef infoDictionary = CFBundleGetInfoDictionary(cfBundle.get());
if (!infoDictionary)
return String();
CFTypeRef bundleVersionString = CFDictionaryGetValue(infoDictionary, kCFBundleVersionKey);
if (!bundleVersionString || CFGetTypeID(bundleVersionString) != CFStringGetTypeID())
return String();
return reinterpret_cast<CFStringRef>(bundleVersionString);
}
@end
@implementation NSArray (WebPluginExtensions)
- (NSArray *)_web_lowercaseStrings
{
NSMutableArray *lowercaseStrings = [NSMutableArray arrayWithCapacity:[self count]];
NSEnumerator *strings = [self objectEnumerator];
NSString *string;
while ((string = [strings nextObject]) != nil) {
if ([string isKindOfClass:[NSString class]])
[lowercaseStrings addObject:[string lowercaseString]];
}
return lowercaseStrings;
}
@end