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 blink {
35
mimeTypeFromDataURL(const String & url)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
mimeTypeFromURL(const KURL & url)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