webengine/osswebengine/WebKit/Plugins/WebBasePluginPackage.m
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebKit/Plugins/WebBasePluginPackage.m	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,447 @@
+/*
+ * 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 <JavaScriptCore/Assertions.h>
+#import <WebKit/WebKitNSStringExtras.h>
+#import <WebKit/WebNetscapePluginPackage.h>
+#import <WebKit/WebNSObjectExtras.h>
+#import <WebKit/WebPluginPackage.h>
+#import <WebCore/WebCoreObjCExtras.h>
+
+#import <WebKitSystemInterface.h>
+
+#import "WebKitLogging.h"
+#import "WebTypesInternal.h"
+
+#import <mach-o/arch.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;
+
+@implementation WebBasePluginPackage
+
+#ifndef BUILDING_ON_TIGER
++ (void)initialize
+{
+    WebCoreObjCFinalizeOnMainThread(self);
+}
+#endif
+
++ (WebBasePluginPackage *)pluginWithPath:(NSString *)pluginPath
+{
+    
+    WebBasePluginPackage *pluginPackage = [[WebPluginPackage alloc] initWithPath:pluginPath];
+
+    if (!pluginPackage) {
+#ifdef __LP64__
+        return nil;
+#else
+        pluginPackage = [[WebNetscapePluginPackage alloc] initWithPath:pluginPath];
+#endif
+    }
+
+    return [pluginPackage autorelease];
+}
+
++ (NSString *)preferredLocalizationName
+{
+    return WebCFAutorelease(WKCopyCFLocalizationPreferredName(NULL));
+}
+
+- (NSString *)pathByResolvingSymlinksAndAliasesInPath:(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;
+}
+
+- (id)initWithPath:(NSString *)pluginPath
+{
+    if (!(self = [super init]))
+        return nil;
+        
+    path = [[self pathByResolvingSymlinksAndAliasesInPath:pluginPath] retain];
+    bundle = [[NSBundle alloc] initWithPath:path];
+#ifndef __ppc__
+    // 32-bit PowerPC is the only platform where non-bundled CFM plugins are supported
+    if (!bundle) {
+        [self release];
+        return nil;
+    }
+#endif
+    cfBundle = CFBundleCreate(NULL, (CFURLRef)[NSURL fileURLWithPath:path]);
+    extensionToMIME = [[NSMutableDictionary alloc] init];
+    
+    return self;
+}
+
+- (BOOL)getPluginInfoFromBundleAndMIMEDictionary:(NSDictionary *)MIMETypes
+{
+    if (!bundle)
+        return NO;
+    
+    if (!MIMETypes) {
+        MIMETypes = [bundle objectForInfoDictionaryKey:WebPluginMIMETypesKey];
+        if (!MIMETypes)
+            return NO;
+    }
+
+    NSMutableDictionary *MIMEToExtensionsDictionary = [NSMutableDictionary dictionary];
+    NSMutableDictionary *MIMEToDescriptionDictionary = [NSMutableDictionary dictionary];
+    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;
+
+        extensions = [[MIMEDictionary objectForKey:WebPluginExtensionsKey] _web_lowercaseStrings];
+        if ([extensions count] == 0)
+            extensions = [NSArray arrayWithObject:@""];
+
+        MIME = [MIME lowercaseString];
+
+        [MIMEToExtensionsDictionary setObject:extensions forKey:MIME];
+
+        description = [MIMEDictionary objectForKey:WebPluginTypeDescriptionKey];
+        if (!description)
+            description = @"";
+
+        [MIMEToDescriptionDictionary setObject:description forKey:MIME];
+    }
+
+    [self setMIMEToExtensionsDictionary:MIMEToExtensionsDictionary];
+    [self setMIMEToDescriptionDictionary:MIMEToDescriptionDictionary];
+
+    NSString *filename = [self filename];
+
+    NSString *theName = [bundle objectForInfoDictionaryKey:WebPluginNameKey];
+    if (!theName)
+        theName = filename;
+    [self setName:theName];
+
+    description = [bundle objectForInfoDictionaryKey:WebPluginDescriptionKey];
+    if (!description)
+        description = filename;
+    [self setPluginDescription:description];
+
+    return YES;
+}
+
+- (NSDictionary *)pListForPath:(NSString *)pListPath createFile:(BOOL)createFile
+{
+    if (createFile && [self load] && BP_CreatePluginMIMETypesPreferences)
+        BP_CreatePluginMIMETypesPreferences();
+    
+    NSDictionary *pList = nil;
+    NSData *data = [NSData dataWithContentsOfFile:pListPath];
+    if (data) {
+        pList = [NSPropertyListSerialization propertyListFromData:data
+                                                 mutabilityOption:NSPropertyListImmutable
+                                                           format:nil
+                                                 errorDescription:nil];
+    }
+    
+    return pList;
+}
+
+- (BOOL)getPluginInfoFromPLists
+{
+    if (!bundle)
+        return NO;
+    
+    NSDictionary *MIMETypes = nil;
+    NSString *pListFilename = [bundle 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];
+    }
+    
+    // Pass the MIME dictionary to the superclass to parse it.
+    return [self getPluginInfoFromBundleAndMIMEDictionary:MIMETypes];
+}
+
+- (BOOL)load
+{
+    if (bundle && !BP_CreatePluginMIMETypesPreferences)
+        BP_CreatePluginMIMETypesPreferences = (BP_CreatePluginMIMETypesPreferencesFuncPtr)CFBundleGetFunctionPointerForName(cfBundle, CFSTR("BP_CreatePluginMIMETypesPreferences"));
+    
+    return YES;
+}
+
+- (void)dealloc
+{
+    ASSERT(!pluginDatabases || [pluginDatabases count] == 0);
+    [pluginDatabases release];
+    
+    [name release];
+    [path release];
+    [pluginDescription release];
+
+    [MIMEToDescription release];
+    [MIMEToExtensions release];
+    [extensionToMIME release];
+
+    [bundle release];
+    if (cfBundle)
+        CFRelease(cfBundle);
+    
+    [super dealloc];
+}
+
+- (void)finalize
+{
+    ASSERT_MAIN_THREAD();
+    ASSERT(!pluginDatabases || [pluginDatabases count] == 0);
+    [pluginDatabases release];
+
+    if (cfBundle)
+        CFRelease(cfBundle);
+
+    [super finalize];
+}
+
+- (NSString *)name
+{
+    return name;
+}
+
+- (NSString *)path
+{
+    return path;
+}
+
+- (NSString *)filename
+{
+    return [path lastPathComponent];
+}
+
+- (NSString *)pluginDescription
+{
+    return pluginDescription;
+}
+
+- (NSEnumerator *)extensionEnumerator
+{
+    return [extensionToMIME keyEnumerator];
+}
+
+- (NSEnumerator *)MIMETypeEnumerator
+{
+    return [MIMEToExtensions keyEnumerator];
+}
+
+- (NSString *)descriptionForMIMEType:(NSString *)MIMEType
+{
+    return [MIMEToDescription objectForKey:MIMEType];
+}
+
+- (NSString *)MIMETypeForExtension:(NSString *)extension
+{
+    return [extensionToMIME objectForKey:extension];
+}
+
+- (NSArray *)extensionsForMIMEType:(NSString *)MIMEType
+{
+    return [MIMEToExtensions objectForKey:MIMEType];
+}
+
+- (NSBundle *)bundle
+{
+    return bundle;
+}
+
+- (void)setName:(NSString *)theName
+{
+    [name release];
+    name = [theName retain];
+}
+
+- (void)setPath:(NSString *)thePath
+{
+    [path release];
+    path = [thePath retain];
+}
+
+- (void)setPluginDescription:(NSString *)description
+{
+    [pluginDescription release];
+    pluginDescription = [description retain];
+}
+
+- (void)setMIMEToDescriptionDictionary:(NSDictionary *)MIMEToDescriptionDictionary
+{
+    [MIMEToDescription release];
+    MIMEToDescription = [MIMEToDescriptionDictionary retain];
+}
+
+- (void)setMIMEToExtensionsDictionary:(NSDictionary *)MIMEToExtensionsDictionary
+{
+    [MIMEToExtensions release];
+    MIMEToExtensions = [MIMEToExtensionsDictionary retain];
+
+    // Reverse the mapping
+    [extensionToMIME removeAllObjects];
+
+    NSEnumerator *MIMEEnumerator = [MIMEToExtensions keyEnumerator], *extensionEnumerator;
+    NSString *MIME, *extension;
+    NSArray *extensions;
+    
+    while ((MIME = [MIMEEnumerator nextObject]) != nil) {
+        extensions = [MIMEToExtensions objectForKey:MIME];
+        extensionEnumerator = [extensions objectEnumerator];
+
+        while ((extension = [extensionEnumerator nextObject]) != nil) {
+            if (![extension isEqualToString:@""])
+                [extensionToMIME setObject:MIME forKey:extension];
+        }
+    }
+}
+
+- (NSString *)description
+{
+    return [NSString stringWithFormat:@"name: %@\npath: %@\nmimeTypes:\n%@\npluginDescription:%@",
+        name, path, [MIMEToExtensions description], [MIMEToDescription description], pluginDescription];
+}
+
+- (BOOL)isQuickTimePlugIn
+{
+    NSString *bundleIdentifier = [[self bundle] bundleIdentifier];
+    return [bundleIdentifier _webkit_isCaseInsensitiveEqualToString:QuickTimeCarbonPluginIdentifier] || 
+        [bundleIdentifier _webkit_isCaseInsensitiveEqualToString:QuickTimeCocoaPluginIdentifier];
+}
+
+- (BOOL)isJavaPlugIn
+{
+    NSString *bundleIdentifier = [[self bundle] bundleIdentifier];
+    return [bundleIdentifier _webkit_isCaseInsensitiveEqualToString:JavaCocoaPluginIdentifier] || 
+        [bundleIdentifier _webkit_isCaseInsensitiveEqualToString:JavaCarbonPluginIdentifier] ||
+        [[path lastPathComponent] _webkit_isCaseInsensitiveEqualToString:JavaCFMPluginFilename];
+}
+
+- (BOOL)isNativeLibraryData:(NSData *)data
+{  
+    // If we have a 32-bit thin Mach-O file, see if we have an i386 binary.  If not, don't load it.
+    // This is designed to be the safest possible test for now.  We'll only reject files that we
+    // can easily tell are wrong.
+    if ([data length] >= sizeof(struct mach_header)) {
+        const NXArchInfo *localArch = NXGetLocalArchInfo();
+        if (localArch != NULL) {
+            struct mach_header *header = (struct mach_header *)[data bytes];
+            if (header->magic == MH_MAGIC)
+                return (header->cputype == localArch->cputype);
+            if (header->magic == MH_CIGAM)
+                return ((cpu_type_t) OSSwapInt32(header->cputype) == localArch->cputype);
+        }
+    }
+    return YES;
+}
+
+- (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];
+}
+
+@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