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/*
* Copyright (C) 2012 Motorola Mobility Inc.
* Copyright (C) 2013 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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 "core/html/PublicURLManager.h"
#include "core/html/URLRegistry.h"
#include "platform/blob/BlobURL.h"
#include "platform/weborigin/KURL.h"
#include "wtf/Vector.h"
#include "wtf/text/StringHash.h"
namespace blink {
class SecurityOrigin;
PublicURLManager* PublicURLManager::create(ExecutionContext* context) {
return new PublicURLManager(context);
}
PublicURLManager::PublicURLManager(ExecutionContext* context)
: ContextLifecycleObserver(context), m_isStopped(false) {}
String PublicURLManager::registerURL(ExecutionContext* context,
URLRegistrable* registrable,
const String& uuid) {
SecurityOrigin* origin = context->getSecurityOrigin();
const KURL& url = BlobURL::createPublicURL(origin);
DCHECK(!url.isEmpty());
const String& urlString = url.getString();
if (!m_isStopped) {
RegistryURLMap::ValueType* found =
m_registryToURL.add(®istrable->registry(), URLMap()).storedValue;
found->key->registerURL(origin, url, registrable);
found->value.add(urlString, uuid);
}
return urlString;
}
void PublicURLManager::revoke(const KURL& url) {
for (auto& registryUrl : m_registryToURL) {
if (registryUrl.value.contains(url.getString())) {
registryUrl.key->unregisterURL(url);
registryUrl.value.remove(url.getString());
break;
}
}
}
void PublicURLManager::revoke(const String& uuid) {
// A linear scan; revoking by UUID is assumed rare.
Vector<String> urlsToRemove;
for (auto& registryUrl : m_registryToURL) {
URLRegistry* registry = registryUrl.key;
URLMap& registeredURLs = registryUrl.value;
for (auto& registeredUrl : registeredURLs) {
if (uuid == registeredUrl.value) {
KURL url(ParsedURLString, registeredUrl.key);
getExecutionContext()->removeURLFromMemoryCache(url);
registry->unregisterURL(url);
urlsToRemove.push_back(registeredUrl.key);
}
}
for (const auto& url : urlsToRemove)
registeredURLs.remove(url);
urlsToRemove.clear();
}
}
void PublicURLManager::contextDestroyed(ExecutionContext*) {
if (m_isStopped)
return;
m_isStopped = true;
for (auto& registryUrl : m_registryToURL) {
for (auto& url : registryUrl.value)
registryUrl.key->unregisterURL(KURL(ParsedURLString, url.key));
}
m_registryToURL.clear();
}
DEFINE_TRACE(PublicURLManager) {
ContextLifecycleObserver::trace(visitor);
}
} // namespace blink
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