Source/WebCore/html/PublicURLManager.cpp

/*
 * 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 "config.h"
#include "PublicURLManager.h"

#include "ContextDestructionObserverInlines.h"
#include "SecurityOrigin.h"
#include "URLRegistry.h"
#include <wtf/TZoneMallocInlines.h>
#include <wtf/URL.h>
#include <wtf/text/StringHash.h>

namespace WebCore {

WTF_MAKE_TZONE_ALLOCATED_IMPL(PublicURLManager);

Ref<PublicURLManager> PublicURLManager::create(ScriptExecutionContext* context)
{
    Ref publicURLManager = adoptRef(*new PublicURLManager(context));
    publicURLManager->suspendIfNeeded();
    return publicURLManager;
}

PublicURLManager::PublicURLManager(ScriptExecutionContext* context)
    : ActiveDOMObject(context)
{
}

void PublicURLManager::registerURL(const URL& url, URLRegistrable& registrable)
{
    if (m_isStopped || !scriptExecutionContext())
        return;

    registrable.registry().registerURL(*protectedScriptExecutionContext(), url, registrable);
}

void PublicURLManager::revoke(const URL& url)
{
    if (m_isStopped)
        return;

    RefPtr context = scriptExecutionContext();
    if (!context)
        return;

    RefPtr contextOrigin = context->securityOrigin();
    if (!contextOrigin)
        return;

    auto urlOrigin = SecurityOrigin::create(url);
    if (!urlOrigin->isSameOriginAs(*contextOrigin))
        return;

    URLRegistry::forEach([&](auto& registry) {
        registry.unregisterURL(url, context->topOrigin().data());
    });
}

void PublicURLManager::stop()
{
    if (m_isStopped)
        return;

    m_isStopped = true;
    if (RefPtr context = scriptExecutionContext()) {
        URLRegistry::forEach([&](auto& registry) {
            registry.unregisterURLsForContext(*context);
        });
    }
}

} // namespace WebCore