1 /* 2 * Copyright (C) 2004, 2007, 2008, 2011, 2012 Apple Inc. All rights reserved. 3 * Copyright (C) 2012 Research In Motion Limited. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "config.h" 28 #include "platform/MIMETypeFromURL.h" 29 30 #include "platform/MIMETypeRegistry.h" 31 #include "platform/weborigin/KURL.h" 32 #include "wtf/text/WTFString.h" 33 34 namespace WebCore { 35 36 String mimeTypeFromDataURL(const String& url) 37 { 38 ASSERT(protocolIs(url, "data")); 39 size_t index = url.find(';'); 40 if (index == kNotFound) 41 index = url.find(','); 42 if (index != kNotFound) { 43 if (index > 5) 44 return url.substring(5, index - 5).lower(); 45 return "text/plain"; // Data URLs with no MIME type are considered text/plain. 46 } 47 return ""; 48 } 49 50 String mimeTypeFromURL(const KURL& url) 51 { 52 String decodedPath = decodeURLEscapeSequences(url.path()); 53 String extension = decodedPath.substring(decodedPath.reverseFind('.') + 1); 54 55 // We don't use MIMETypeRegistry::getMIMETypeForPath() because it returns "application/octet-stream" upon failure 56 return MIMETypeRegistry::getMIMETypeForExtension(extension); 57 } 58 59 } 60
