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/*
* Copyright (C) 2011 Google, Inc. All rights reserved.
* Copyright (C) 2016 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 GOOGLE INC. ``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
* 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.
*/
#ifndef ContentSecurityPolicySourceList_h
#define ContentSecurityPolicySourceList_h
#include "ContentSecurityPolicyHash.h"
#include "ContentSecurityPolicySource.h"
#include <wtf/HashSet.h>
#include <wtf/OptionSet.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class ContentSecurityPolicy;
class URL;
class ContentSecurityPolicySourceList {
public:
ContentSecurityPolicySourceList(const ContentSecurityPolicy&, const String& directiveName);
void parse(const String&);
bool matches(const URL&);
bool matches(const ContentSecurityPolicyHash&) const;
bool matches(const String& nonce) const;
OptionSet<ContentSecurityPolicyHashAlgorithm> hashAlgorithmsUsed() const { return m_hashAlgorithmsUsed; }
bool allowInline() const { return m_allowInline && m_hashes.isEmpty() && m_nonces.isEmpty(); }
bool allowEval() const { return m_allowEval; }
bool allowSelf() const { return m_allowSelf; }
private:
void parse(const UChar* begin, const UChar* end);
bool parseSource(const UChar* begin, const UChar* end, String& scheme, String& host, int& port, String& path, bool& hostHasWildcard, bool& portHasWildcard);
bool parseScheme(const UChar* begin, const UChar* end, String& scheme);
bool parseHost(const UChar* begin, const UChar* end, String& host, bool& hostHasWildcard);
bool parsePort(const UChar* begin, const UChar* end, int& port, bool& portHasWildcard);
bool parsePath(const UChar* begin, const UChar* end, String& path);
bool parseNonceSource(const UChar* begin, const UChar* end);
bool isProtocolAllowedByStar(const URL&) const;
bool parseHashSource(const UChar* begin, const UChar* end);
const ContentSecurityPolicy& m_policy;
Vector<ContentSecurityPolicySource> m_list;
HashSet<String> m_nonces;
HashSet<ContentSecurityPolicyHash> m_hashes;
OptionSet<ContentSecurityPolicyHashAlgorithm> m_hashAlgorithmsUsed;
String m_directiveName;
bool m_allowSelf { false };
bool m_allowStar { false };
bool m_allowInline { false };
bool m_allowEval { false };
};
} // namespace WebCore
#endif /* ContentSecurityPolicySourceList_h */
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