/* * Copyright (C) 2012 Apple 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. * * 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 "config.h" #import "UTIUtilities.h" #import <wtf/MainThread.h> #import <wtf/TinyLRUCache.h> #import <wtf/text/StringHash.h> #import <wtf/text/WTFString.h> #if PLATFORM(IOS_FAMILY) #import <MobileCoreServices/MobileCoreServices.h> #endif namespace WebCore { String MIMETypeFromUTI(const String& uti) { ALLOW_DEPRECATED_DECLARATIONS_BEGIN return adoptCF(UTTypeCopyPreferredTagWithClass(uti.createCFString().get(), kUTTagClassMIMEType)).get(); ALLOW_DEPRECATED_DECLARATIONS_END } String MIMETypeFromUTITree(const String& uti) { auto utiCF = uti.createCFString(); ALLOW_DEPRECATED_DECLARATIONS_BEGIN // Check if this UTI has a MIME type. RetainPtr<CFStringRef> mimeType = adoptCF(UTTypeCopyPreferredTagWithClass(utiCF.get(), kUTTagClassMIMEType)); if (mimeType) return mimeType.get(); // If not, walk the ancestory of this UTI via its "ConformsTo" tags and return the first MIME type we find. RetainPtr<CFDictionaryRef> decl = adoptCF(UTTypeCopyDeclaration(utiCF.get())); if (!decl) return emptyString(); CFTypeRef value = CFDictionaryGetValue(decl.get(), kUTTypeConformsToKey); ALLOW_DEPRECATED_DECLARATIONS_END if (!value) return emptyString(); CFTypeID typeID = CFGetTypeID(value); if (typeID == CFStringGetTypeID()) return MIMETypeFromUTITree((CFStringRef)value); if (typeID == CFArrayGetTypeID()) { CFArrayRef newTypes = (CFArrayRef)value; CFIndex count = CFArrayGetCount(newTypes); for (CFIndex i = 0; i < count; ++i) { CFTypeRef object = CFArrayGetValueAtIndex(newTypes, i); if (CFGetTypeID(object) != CFStringGetTypeID()) continue; String mimeType = MIMETypeFromUTITree((CFStringRef)object); if (!mimeType.isEmpty()) return mimeType; } } return emptyString(); } static String UTIFromUnknownMIMEType(const String& mimeType) { static const auto map = makeNeverDestroyed([] { struct TypeExtensionPair { ASCIILiteral type; ASCIILiteral uti; }; static const TypeExtensionPair pairs[] = { { "model/vnd.usdz+zip"_s, "com.pixar.universal-scene-description-mobile"_s }, { "model/usd"_s, "com.pixar.universal-scene-description-mobile"_s }, { "model/vnd.pixar.usd"_s, "com.pixar.universal-scene-description-mobile"_s }, { "model/vnd.reality"_s, "com.apple.reality"_s } }; HashMap<String, String, ASCIICaseInsensitiveHash> map; for (auto& pair : pairs) map.add(pair.type, pair.uti); return map; }()); auto mapEntry = map.get().find(mimeType); if (mapEntry == map.get().end()) return emptyString(); return mapEntry->value; } struct UTIFromMIMETypeCachePolicy : TinyLRUCachePolicy<String, String> { public: static String createValueForKey(const String& mimeType) { ALLOW_DEPRECATED_DECLARATIONS_BEGIN auto type = adoptCF(UTTypeCreatePreferredIdentifierForTag(kUTTagClassMIMEType, mimeType.createCFString().get(), 0)); ALLOW_DEPRECATED_DECLARATIONS_END if (type) return type.get(); return UTIFromUnknownMIMEType(mimeType); } }; static TinyLRUCache<String, String, 16, UTIFromMIMETypeCachePolicy>& cacheUTIFromMimeType() { static NeverDestroyed<TinyLRUCache<String, String, 16, UTIFromMIMETypeCachePolicy>> cache; return cache; } String UTIFromMIMEType(const String& mimeType) { ASSERT(isMainThread()); return cacheUTIFromMimeType().get(mimeType); } bool isDeclaredUTI(const String& UTI) { ALLOW_DEPRECATED_DECLARATIONS_BEGIN return UTTypeIsDeclared(UTI.createCFString().get()); ALLOW_DEPRECATED_DECLARATIONS_END } String UTIFromTag(const String& tagClass, const String& tag, const String& conformingToUTI) { ALLOW_DEPRECATED_DECLARATIONS_BEGIN auto u = adoptCF(UTTypeCreatePreferredIdentifierForTag(tagClass.createCFString().get(), tag.createCFString().get(), conformingToUTI.createCFString().get())); ALLOW_DEPRECATED_DECLARATIONS_END return String(u.get()); } }