1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#pragma once
32
33#include <wtf/URL.h>
34
35namespace WebCore {
36
37class SecurityOrigin;
38
39// Blob URLs are of the form
40// blob:%escaped_origin%/%UUID%
41// For public urls, the origin of the host page is encoded in the URL value to
42// allow easy lookup of the origin when security checks need to be performed.
43// When loading blobs via ResourceHandle or when reading blobs via FileReader
44// the loader conducts security checks that examine the origin of host page
45// encoded in the public blob url. The origin baked into internal blob urls
46// is a simple constant value, "blobinternal://", internal urls should not
47// be used with ResourceHandle or FileReader.
48class BlobURL {
49public:
50 static URL createPublicURL(SecurityOrigin*);
51 static URL createInternalURL();
52 static String getOrigin(const URL&);
53 static String getIdentifier(const URL&);
54
55private:
56 static URL createBlobURL(const String& originString);
57 BlobURL() { }
58};
59
60} // namespace WebCore
61