176 lines
6.1 KiB
C++
176 lines
6.1 KiB
C++
/*
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* Copyright (C) 2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "PublicSuffix.h"
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#include "SecurityOriginData.h"
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#include <wtf/HashTraits.h>
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#include <wtf/URL.h>
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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class RegistrableDomain {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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RegistrableDomain() = default;
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explicit RegistrableDomain(const URL& url)
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: RegistrableDomain(registrableDomainFromHost(url.host().toString()))
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{
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}
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explicit RegistrableDomain(const SecurityOriginData& origin)
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: RegistrableDomain(registrableDomainFromHost(origin.host))
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{
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}
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bool isEmpty() const { return m_registrableDomain.isEmpty() || m_registrableDomain == "nullOrigin"_s; }
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String& string() { return m_registrableDomain; }
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const String& string() const { return m_registrableDomain; }
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bool operator!=(const RegistrableDomain& other) const { return m_registrableDomain != other.m_registrableDomain; }
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bool operator==(const RegistrableDomain& other) const { return m_registrableDomain == other.m_registrableDomain; }
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bool operator==(const char* other) const { return m_registrableDomain == other; }
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bool matches(const URL& url) const
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{
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return matches(url.host());
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}
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bool matches(const SecurityOriginData& origin) const
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{
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return matches(origin.host);
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}
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RegistrableDomain isolatedCopy() const { return RegistrableDomain { m_registrableDomain.isolatedCopy() }; }
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RegistrableDomain(WTF::HashTableDeletedValueType)
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: m_registrableDomain(WTF::HashTableDeletedValue) { }
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bool isHashTableDeletedValue() const { return m_registrableDomain.isHashTableDeletedValue(); }
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unsigned hash() const { return m_registrableDomain.hash(); }
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struct RegistrableDomainHash {
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static unsigned hash(const RegistrableDomain& registrableDomain) { return registrableDomain.m_registrableDomain.hash(); }
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static bool equal(const RegistrableDomain& a, const RegistrableDomain& b) { return a == b; }
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static const bool safeToCompareToEmptyOrDeleted = false;
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};
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static RegistrableDomain uncheckedCreateFromRegistrableDomainString(const String& domain)
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{
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return RegistrableDomain { String { domain } };
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}
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static RegistrableDomain uncheckedCreateFromHost(const String& host)
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{
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#if ENABLE(PUBLIC_SUFFIX_LIST)
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auto registrableDomain = topPrivatelyControlledDomain(host);
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if (registrableDomain.isEmpty())
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return uncheckedCreateFromRegistrableDomainString(host);
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return RegistrableDomain { WTFMove(registrableDomain) };
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#else
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return uncheckedCreateFromRegistrableDomainString(host);
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#endif
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}
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static std::optional<RegistrableDomain> decode(Decoder&);
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protected:
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private:
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explicit RegistrableDomain(String&& domain)
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: m_registrableDomain { domain.isEmpty() ? "nullOrigin"_s : WTFMove(domain) }
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{
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}
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bool matches(StringView host) const
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{
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if (host.isEmpty() && m_registrableDomain == "nullOrigin"_s)
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return true;
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if (!host.endsWith(m_registrableDomain))
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return false;
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if (host.length() == m_registrableDomain.length())
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return true;
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return host[host.length() - m_registrableDomain.length() - 1] == '.';
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}
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static inline String registrableDomainFromHost(const String& host)
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{
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#if ENABLE(PUBLIC_SUFFIX_LIST)
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auto domain = topPrivatelyControlledDomain(host);
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#else
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auto domain = host;
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#endif
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if (host.isEmpty())
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domain = "nullOrigin"_s;
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else if (domain.isEmpty())
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domain = host;
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return domain;
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}
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String m_registrableDomain;
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};
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template<class Encoder>
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void RegistrableDomain::encode(Encoder& encoder) const
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{
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encoder << m_registrableDomain;
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}
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template<class Decoder>
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std::optional<RegistrableDomain> RegistrableDomain::decode(Decoder& decoder)
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{
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std::optional<String> domain;
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decoder >> domain;
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if (!domain)
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return std::nullopt;
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RegistrableDomain registrableDomain;
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registrableDomain.m_registrableDomain = WTFMove(*domain);
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return registrableDomain;
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}
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inline bool areRegistrableDomainsEqual(const URL& a, const URL& b)
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{
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return RegistrableDomain(a).matches(b);
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}
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} // namespace WebCore
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namespace WTF {
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template<> struct DefaultHash<WebCore::RegistrableDomain> : WebCore::RegistrableDomain::RegistrableDomainHash { };
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template<> struct HashTraits<WebCore::RegistrableDomain> : SimpleClassHashTraits<WebCore::RegistrableDomain> { };
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template<> class StringTypeAdapter<WebCore::RegistrableDomain, void> : public StringTypeAdapter<String, void> {
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public:
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StringTypeAdapter(const WebCore::RegistrableDomain& domain)
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: StringTypeAdapter<String, void>(domain.string())
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{ }
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};
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} // namespace WTF
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