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/*
* Copyright (C) 2021 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 "PushSubscription.h"
#if ENABLE(SERVICE_WORKER)
#include "EventLoop.h"
#include "Exception.h"
#include "JSDOMPromiseDeferred.h"
#include "PushSubscriptionOptions.h"
#include "ScriptExecutionContext.h"
#include "ServiceWorkerContainer.h"
#include <JavaScriptCore/ArrayBuffer.h>
#include <wtf/IsoMallocInlines.h>
#include <wtf/text/Base64.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(PushSubscription);
PushSubscription::PushSubscription(PushSubscriptionData&& data, RefPtr<ServiceWorkerRegistration>&& registration)
: m_data(WTFMove(data))
, m_serviceWorkerRegistration(WTFMove(registration))
{
}
PushSubscription::~PushSubscription() = default;
const PushSubscriptionData& PushSubscription::data() const
{
return m_data;
}
const String& PushSubscription::endpoint() const
{
return m_data.endpoint;
}
std::optional<EpochTimeStamp> PushSubscription::expirationTime() const
{
return m_data.expirationTime;
}
PushSubscriptionOptions& PushSubscription::options() const
{
if (!m_options) {
auto key = m_data.serverVAPIDPublicKey;
m_options = PushSubscriptionOptions::create(WTFMove(key));
}
return *m_options;
}
const Vector<uint8_t>& PushSubscription::clientECDHPublicKey() const
{
return m_data.clientECDHPublicKey;
}
const Vector<uint8_t>& PushSubscription::sharedAuthenticationSecret() const
{
return m_data.sharedAuthenticationSecret;
}
ExceptionOr<RefPtr<JSC::ArrayBuffer>> PushSubscription::getKey(PushEncryptionKeyName name) const
{
const Vector<uint8_t>* source = nullptr;
switch (name) {
case PushEncryptionKeyName::P256dh:
source = &clientECDHPublicKey();
break;
case PushEncryptionKeyName::Auth:
source = &sharedAuthenticationSecret();
break;
default:
return nullptr;
}
auto buffer = ArrayBuffer::tryCreate(source->data(), source->size());
if (!buffer)
return Exception { OutOfMemoryError };
return buffer;
}
void PushSubscription::unsubscribe(ScriptExecutionContext& scriptExecutionContext, DOMPromiseDeferred<IDLBoolean>&& promise)
{
scriptExecutionContext.eventLoop().queueTask(TaskSource::Networking, [this, protectedThis = Ref { *this }, pushSubscriptionIdentifier = m_data.identifier, promise = WTFMove(promise)]() mutable {
if (!m_serviceWorkerRegistration) {
promise.resolve(false);
return;
}
m_serviceWorkerRegistration->unsubscribeFromPushService(pushSubscriptionIdentifier, WTFMove(promise));
});
}
PushSubscriptionJSON PushSubscription::toJSON() const
{
return PushSubscriptionJSON {
endpoint(),
expirationTime(),
Vector<KeyValuePair<String, String>> {
{ "p256dh"_s, base64URLEncodeToString(clientECDHPublicKey()) },
{ "auth"_s, base64URLEncodeToString(sharedAuthenticationSecret()) }
}
};
}
} // namespace WebCore
#endif // ENABLE(SERVICE_WORKER)
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