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/*
* Copyright (C) 2009-2023 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. ``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.
*/
#pragma once
#include <wtf/Forward.h>
#include <wtf/URL.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class UserContentURLPattern {
public:
UserContentURLPattern() = default;
enum class Error : uint8_t {
None,
Invalid,
MissingScheme,
MissingHost,
InvalidHost,
MissingPath,
};
explicit UserContentURLPattern(StringView pattern)
{
m_error = parse(pattern);
}
WEBCORE_EXPORT UserContentURLPattern(StringView scheme, StringView host, StringView path);
bool isValid() const { return m_error == Error::None; }
Error error() const { return m_error; }
template <typename T>
bool matches(const T& test) const
{
if (!isValid())
return false;
return matchesScheme(test) && matchesHost(test) && matchesPath(test);
}
const String& scheme() const { return m_scheme; }
const String& host() const { return m_host; }
const String& path() const { return m_path; }
bool matchAllHosts() const { return m_matchSubdomains && m_host.isEmpty(); }
bool matchSubdomains() const { return m_matchSubdomains; }
// The host with the '*' wildcard, if matchSubdomains is true, otherwise same as host().
WEBCORE_EXPORT String originalHost() const;
WEBCORE_EXPORT bool matchesScheme(const URL&) const;
bool matchesHost(const URL& url) const { return matchesHost(url.host().toStringWithoutCopying()); }
bool matchesPath(const URL& url) const { return matchesPath(url.path().toStringWithoutCopying()); }
WEBCORE_EXPORT bool matchesScheme(const UserContentURLPattern&) const;
bool matchesHost(const UserContentURLPattern& other) const { return matchesHost(other.host()); }
bool matchesPath(const UserContentURLPattern& other) const { return matchesPath(other.path()); }
WEBCORE_EXPORT bool operator==(const UserContentURLPattern& other) const;
static bool matchesPatterns(const URL&, const Vector<String>& allowlist, const Vector<String>& blocklist);
private:
WEBCORE_EXPORT Error parse(StringView pattern);
void normalizeHostAndSetMatchSubdomains();
WEBCORE_EXPORT bool matchesHost(const String&) const;
WEBCORE_EXPORT bool matchesPath(const String&) const;
String m_scheme;
String m_host;
String m_path;
Error m_error { Error::Invalid };
bool m_matchSubdomains { false };
};
WEBCORE_EXPORT bool matchesWildcardPattern(const String& pattern, const String& testString);
} // namespace WebCore
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