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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "core/frame/csp/CSPSource.h"
#include "core/frame/csp/ContentSecurityPolicy.h"
#include "platform/weborigin/KURL.h"
#include "platform/weborigin/KnownPorts.h"
#include "platform/weborigin/SecurityOrigin.h"
#include "wtf/text/WTFString.h"
namespace blink {
CSPSource::CSPSource(ContentSecurityPolicy* policy, const String& scheme, const String& host, int port, const String& path, WildcardDisposition hostWildcard, WildcardDisposition portWildcard)
: m_policy(policy)
, m_scheme(scheme)
, m_host(host)
, m_port(port)
, m_path(path)
, m_hostWildcard(hostWildcard)
, m_portWildcard(portWildcard)
{
}
bool CSPSource::matches(const KURL& url) const
{
if (!schemeMatches(url))
return false;
if (isSchemeOnly())
return true;
return hostMatches(url) && portMatches(url) && pathMatches(url);
}
bool CSPSource::schemeMatches(const KURL& url) const
{
if (m_scheme.isEmpty())
return m_policy->protocolMatchesSelf(url);
return equalIgnoringCase(url.protocol(), m_scheme);
}
bool CSPSource::hostMatches(const KURL& url) const
{
const String& host = url.host();
if (equalIgnoringCase(host, m_host))
return true;
return m_hostWildcard == HasWildcard && host.endsWith("." + m_host, false);
}
bool CSPSource::pathMatches(const KURL& url) const
{
if (m_path.isEmpty())
return true;
String path = decodeURLEscapeSequences(url.path());
if (m_path.endsWith("/"))
return path.startsWith(m_path, false);
return path == m_path;
}
bool CSPSource::portMatches(const KURL& url) const
{
if (m_portWildcard == HasWildcard)
return true;
int port = url.port();
if (port == m_port)
return true;
if (!port)
return isDefaultPortForProtocol(m_port, url.protocol());
if (!m_port)
return isDefaultPortForProtocol(port, url.protocol());
return false;
}
bool CSPSource::isSchemeOnly() const
{
return m_host.isEmpty();
}
} // namespace
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