Source/WebCore/fileapi/BlobURL.h

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#pragma once

#include <wtf/URL.h>

namespace WebCore {

class SecurityOrigin;

// Blob URLs are of the form
//     blob:%escaped_origin%/%UUID%
// For public urls, the origin of the host page is encoded in the URL value to
// allow easy lookup of the origin when security checks need to be performed.
// When loading blobs via ResourceHandle or when reading blobs via FileReader
// the loader conducts security checks that examine the origin of host page
// encoded in the public blob url. The origin baked into internal blob urls
// is a simple constant value, "blobinternal://", internal urls should not
// be used with ResourceHandle or FileReader.
class BlobURL {
public:
    static URL createPublicURL(SecurityOrigin*);
    static URL createInternalURL();
    static String getOrigin(const URL&);
    static String getIdentifier(const URL&);

private:
    static URL createBlobURL(const String& originString);
    BlobURL() { }
};

} // namespace WebCore