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/*
* Copyright (C) 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. 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.
*/
#include "config.h"
#include "PrivateClickMeasurementEphemeralStore.h"
#include "PrivateClickMeasurementDebugInfo.h"
#include "PrivateClickMeasurementManagerInterface.h"
#include <WebCore/PrivateClickMeasurement.h>
namespace WebKit::PCM {
EphemeralStore::EphemeralStore() = default;
EphemeralStore::~EphemeralStore() = default;
void EphemeralStore::insertPrivateClickMeasurement(WebCore::PrivateClickMeasurement&& attribution, PrivateClickMeasurementAttributionType type, CompletionHandler<void()>&& completionHandler)
{
ASSERT(attribution.isEphemeral() == WebCore::PCM::AttributionEphemeral::Yes);
ASSERT_UNUSED(type, type == PrivateClickMeasurementAttributionType::Unattributed);
m_clickMeasurement = WTFMove(attribution);
completionHandler();
}
void EphemeralStore::markAllUnattributedPrivateClickMeasurementAsExpiredForTesting()
{
if (m_clickMeasurement && !m_clickMeasurement->attributionTriggerData())
reset();
}
void EphemeralStore::attributePrivateClickMeasurement(WebCore::PCM::SourceSite&& sourceSite, WebCore::PCM::AttributionDestinationSite&& destinationSite, const ApplicationBundleIdentifier& applicationBundleIdentifier, WebCore::PCM::AttributionTriggerData&& attributionTriggerData, WebCore::PrivateClickMeasurement::IsRunningLayoutTest isLayoutTest, CompletionHandler<void(std::optional<WebCore::PCM::AttributionSecondsUntilSendData>&&, DebugInfo&&)>&& completionHandler)
{
DebugInfo debugInfo;
if (!m_clickMeasurement)
return completionHandler(std::nullopt, WTFMove(debugInfo));
if (m_clickMeasurement->sourceSite() != sourceSite || m_clickMeasurement->destinationSite() != destinationSite)
return completionHandler(std::nullopt, WTFMove(debugInfo));
if (!applicationBundleIdentifier.isEmpty() && m_clickMeasurement->sourceApplicationBundleID() != applicationBundleIdentifier)
return completionHandler(std::nullopt, WTFMove(debugInfo));
completionHandler(m_clickMeasurement->attributeAndGetEarliestTimeToSend(WTFMove(attributionTriggerData), isLayoutTest), WTFMove(debugInfo));
}
void EphemeralStore::privateClickMeasurementToStringForTesting(CompletionHandler<void(String)>&& completionHandler) const
{
if (!m_clickMeasurement)
return completionHandler("\nNo ephemeral Private Click Measurement data.\n"_s);
StringBuilder builder;
builder.append("\nEphemeral Private Click Measurement:\n"_s);
builder.append("SourceSite: "_s, m_clickMeasurement->sourceSite().registrableDomain.string(), "\n"_s);
builder.append("DestinationSite: "_s, m_clickMeasurement->destinationSite().registrableDomain.string(), "\n"_s);
builder.append("SourceID: "_s, m_clickMeasurement->sourceID(), "\n"_s);
if (auto trigger = m_clickMeasurement->attributionTriggerData()) {
builder.append("Trigger data: "_s, trigger->data, "\n"_s);
builder.append("Trigger priority: "_s, trigger->priority, "\n"_s);
}
return completionHandler(builder.toString());
}
void EphemeralStore::allAttributedPrivateClickMeasurement(CompletionHandler<void(Vector<WebCore::PrivateClickMeasurement>&&)>&& completionHandler)
{
if (m_clickMeasurement && m_clickMeasurement->attributionTriggerData())
completionHandler({ *m_clickMeasurement });
else
completionHandler({ });
}
void EphemeralStore::markAttributedPrivateClickMeasurementsAsExpiredForTesting(CompletionHandler<void()>&& completionHandler)
{
if (m_clickMeasurement && m_clickMeasurement->attributionTriggerData())
reset();
completionHandler();
}
void EphemeralStore::clearExpiredPrivateClickMeasurement()
{
if (!m_clickMeasurement)
return;
if (WallTime::now() - m_clickMeasurement->timeOfAdClick() <= WebCore::PrivateClickMeasurement::maxAge())
return;
reset();
}
void EphemeralStore::clearPrivateClickMeasurement(CompletionHandler<void()>&& completionHandler)
{
reset();
completionHandler();
}
void EphemeralStore::reset()
{
m_clickMeasurement = std::nullopt;
}
void EphemeralStore::clearPrivateClickMeasurementForRegistrableDomain(WebCore::RegistrableDomain&& domain, CompletionHandler<void()>&& completionHandler)
{
if (!m_clickMeasurement)
return completionHandler();
if (m_clickMeasurement->sourceSite().registrableDomain == domain || m_clickMeasurement->destinationSite().registrableDomain == domain)
m_clickMeasurement = std::nullopt;
completionHandler();
}
void EphemeralStore::clearSentAttribution(WebCore::PrivateClickMeasurement&& attributionToClear, WebCore::PCM::AttributionReportEndpoint endpoint)
{
auto timesToSend = attributionToClear.timesToSend();
switch (endpoint) {
case WebCore::PCM::AttributionReportEndpoint::Source:
timesToSend.sourceEarliestTimeToSend = std::nullopt;
break;
case WebCore::PCM::AttributionReportEndpoint::Destination:
timesToSend.destinationEarliestTimeToSend = std::nullopt;
break;
}
if (!timesToSend.attributionReportEndpoint()) {
m_clickMeasurement = std::nullopt;
return;
}
attributionToClear.setTimesToSend(WTFMove(timesToSend));
m_clickMeasurement = WTFMove(attributionToClear);
}
void EphemeralStore::close(CompletionHandler<void()>&& completionHandler)
{
reset();
completionHandler();
}
} // namespace WebKit::PCM
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