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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* 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
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "BlobURL.h"
#include "DocumentInlines.h"
#include "SecurityOrigin.h"
#include "ThreadableBlobRegistry.h"
#include <wtf/URL.h>
#include <wtf/UUID.h>
#include <wtf/text/MakeString.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
URL BlobURL::createPublicURL(SecurityOrigin* securityOrigin)
{
ASSERT(securityOrigin);
return createBlobURL(securityOrigin->toString());
}
URL BlobURL::createInternalURL()
{
return createBlobURL("blobinternal://"_s);
}
static const Document* blobOwner(const SecurityOrigin& blobOrigin)
{
if (!isMainThread())
return nullptr;
for (auto& document : Document::allDocuments()) {
if (document->protectedSecurityOrigin()->isSameOriginAs(blobOrigin))
return document.ptr();
}
return nullptr;
}
URL BlobURL::getOriginURL(const URL& url)
{
ASSERT(url.protocolIsBlob());
return URL(SecurityOrigin::createForBlobURL(url)->toString());
}
bool BlobURL::isSecureBlobURL(const URL& url)
{
ASSERT(url.protocolIsBlob());
// As per https://github.com/w3c/webappsec-mixed-content/issues/41, Blob URL is secure if the document that created it is secure.
if (auto origin = ThreadableBlobRegistry::getCachedOrigin(url)) {
if (auto* document = blobOwner(*origin))
return document->isSecureContext();
}
return SecurityOrigin::isSecure(getOriginURL(url));
}
URL BlobURL::createBlobURL(StringView originString)
{
ASSERT(!originString.isEmpty());
String urlString = makeString("blob:"_s, originString, '/', WTF::UUID::createVersion4());
return URL({ }, urlString);
}
#if ASSERT_ENABLED
bool BlobURL::isInternalURL(const URL& url)
{
return url.string().startsWith("blob:blobinternal://"_s);
}
#endif
} // namespace WebCore
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