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/*
* Copyright (C) 2017 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.
*/
#pragma once
#include "RegistrableDomain.h"
#include "SecurityOriginData.h"
#include <wtf/HashTraits.h>
#include <wtf/URL.h>
namespace WebCore {
struct ClientOrigin {
static ClientOrigin emptyKey() { return { }; }
unsigned hash() const;
bool operator==(const ClientOrigin&) const;
bool operator!=(const ClientOrigin& other) const { return !(*this == other); }
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static std::optional<ClientOrigin> decode(Decoder&);
ClientOrigin isolatedCopy() const;
bool isRelated(const SecurityOriginData& other) const { return topOrigin == other || clientOrigin == other; }
RegistrableDomain clientRegistrableDomain() const { return RegistrableDomain::uncheckedCreateFromHost(clientOrigin.host); }
SecurityOriginData topOrigin;
SecurityOriginData clientOrigin;
};
inline unsigned ClientOrigin::hash() const
{
unsigned hashes[2];
hashes[0] = SecurityOriginDataHash::hash(topOrigin);
hashes[1] = SecurityOriginDataHash::hash(clientOrigin);
return StringHasher::hashMemory(hashes, sizeof(hashes));
}
inline bool ClientOrigin::operator==(const ClientOrigin& other) const
{
return topOrigin == other.topOrigin && clientOrigin == other.clientOrigin;
}
inline ClientOrigin ClientOrigin::isolatedCopy() const
{
return { topOrigin.isolatedCopy(), clientOrigin.isolatedCopy() };
}
template<class Encoder> inline void ClientOrigin::encode(Encoder& encoder) const
{
encoder << topOrigin;
encoder << clientOrigin;
}
template<class Decoder> inline std::optional<ClientOrigin> ClientOrigin::decode(Decoder& decoder)
{
std::optional<SecurityOriginData> topOrigin;
std::optional<SecurityOriginData> clientOrigin;
decoder >> topOrigin;
if (!topOrigin || topOrigin->isEmpty())
return std::nullopt;
decoder >> clientOrigin;
if (!clientOrigin || clientOrigin->isEmpty())
return std::nullopt;
return ClientOrigin { WTFMove(*topOrigin), WTFMove(*clientOrigin) };
}
} // namespace WebCore
namespace WTF {
struct ClientOriginKeyHash {
static unsigned hash(const WebCore::ClientOrigin& key) { return key.hash(); }
static bool equal(const WebCore::ClientOrigin& a, const WebCore::ClientOrigin& b) { return a == b; }
static const bool safeToCompareToEmptyOrDeleted = false;
};
template<> struct HashTraits<WebCore::ClientOrigin> : GenericHashTraits<WebCore::ClientOrigin> {
static WebCore::ClientOrigin emptyValue() { return WebCore::ClientOrigin::emptyKey(); }
static void constructDeletedValue(WebCore::ClientOrigin& slot) { new (NotNull, &slot.topOrigin) WebCore::SecurityOriginData(WTF::HashTableDeletedValue); }
static bool isDeletedValue(const WebCore::ClientOrigin& slot) { return slot.topOrigin.isHashTableDeletedValue(); }
};
template<> struct DefaultHash<WebCore::ClientOrigin> : ClientOriginKeyHash { };
} // namespace WTF