BlobURL.cpp revision 2bde8e466a4451c7319e3a072d118917957d6554 
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
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9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
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12 * in the documentation and/or other materials provided with the
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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
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21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 */
30
31#include "config.h"
32
33#include "BlobURL.h"
34
35#include "KURL.h"
36#include "PlatformString.h"
37#include "SecurityOrigin.h"
38#include "UUID.h"
39
40namespace WebCore {
41
42const char BlobURL::kBlobProtocol[] = "blob";
43
44KURL BlobURL::createPublicURL(SecurityOrigin* securityOrigin)
45{
46    ASSERT(securityOrigin);
47    return createBlobURL(securityOrigin->toString());
48}
49
50KURL BlobURL::createInternalURL()
51{
52    return createBlobURL("blobinternal://");
53}
54
55String BlobURL::getIdentifier(const KURL& url)
56{
57    ASSERT(url.protocolIs(kBlobProtocol));
58
59    unsigned startIndex = url.pathAfterLastSlash();
60    return url.string().substring(startIndex);
61}
62
63KURL BlobURL::createBlobURL(const String& originString)
64{
65    ASSERT(!originString.isEmpty());
66    if (originString == "null")
67        return KURL();
68    String urlString = kBlobProtocol;
69    urlString += ":";
70    urlString += encodeWithURLEscapeSequences(originString);
71    urlString += "/";
72    urlString += createCanonicalUUIDString();
73    return KURL(ParsedURLString, urlString);
74}
75
76} // namespace WebCore
77