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/*
* Copyright (C) 2023 Apple 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 INC. 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 INC. 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 "OriginAccessPatterns.h"
#include "UserContentURLPattern.h"
#include <wtf/Lock.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/RuntimeApplicationChecks.h>
namespace WebCore {
// FIXME: Instead of having a singleton, this should be owned by Page.
OriginAccessPatternsForWebProcess& OriginAccessPatternsForWebProcess::singleton()
{
// FIXME: We ought to be able to assert that isInWebProcess() is true, but
// WebKitLegacy doesn't have a web content process and API::ContentRuleListStore
// uses a CSSParserContext in the UI process. Use EmptyOriginAccessPatterns for that.
ASSERT(!isInNetworkProcess());
ASSERT(!isInGPUProcess());
static NeverDestroyed<OriginAccessPatternsForWebProcess> instance;
return instance.get();
}
static Lock originAccessPatternLock;
static Vector<UserContentURLPattern>& originAccessPatterns() WTF_REQUIRES_LOCK(originAccessPatternLock)
{
ASSERT(originAccessPatternLock.isHeld());
static NeverDestroyed<Vector<UserContentURLPattern>> originAccessPatterns;
return originAccessPatterns;
}
void OriginAccessPatternsForWebProcess::allowAccessTo(const UserContentURLPattern& pattern)
{
Locker locker { originAccessPatternLock };
originAccessPatterns().append(pattern);
}
bool OriginAccessPatternsForWebProcess::anyPatternMatches(const URL& url) const
{
Locker locker { originAccessPatternLock };
for (const auto& pattern : originAccessPatterns()) {
if (pattern.matches(url))
return true;
}
return false;
}
const EmptyOriginAccessPatterns& EmptyOriginAccessPatterns::singleton()
{
ASSERT(!isInWebProcess());
static NeverDestroyed<EmptyOriginAccessPatterns> instance;
return instance.get();
}
bool EmptyOriginAccessPatterns::anyPatternMatches(const URL&) const
{
return false;
}
const OriginAccessPatterns& originAccessPatternsForWebProcessOrEmpty()
{
if (isInWebProcess())
return OriginAccessPatternsForWebProcess::singleton();
return EmptyOriginAccessPatterns::singleton();
}
}
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