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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.
*/
#pragma once
#include "PushClientConnection.h"
#include "PushMessageForTesting.h"
#include "PushService.h"
#include "WebPushDaemonConnectionConfiguration.h"
#include "WebPushDaemonConstants.h"
#include "WebPushMessage.h"
#include <WebCore/ExceptionData.h>
#include <WebCore/PushSubscriptionData.h>
#include <wtf/Deque.h>
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/OSObjectPtr.h>
#include <wtf/Span.h>
#include <wtf/spi/darwin/XPCSPI.h>
namespace JSC {
enum class MessageLevel : uint8_t;
}
using WebKit::WebPushD::PushMessageForTesting;
using WebKit::WebPushD::WebPushDaemonConnectionConfiguration;
namespace WebPushD {
using EncodedMessage = Vector<uint8_t>;
class Daemon {
friend class WTF::NeverDestroyed<Daemon>;
public:
static Daemon& singleton();
void connectionEventHandler(xpc_object_t);
void connectionAdded(xpc_connection_t);
void connectionRemoved(xpc_connection_t);
void startMockPushService();
void startPushService(const String& incomingPushServiceName, const String& pushDatabasePath);
void handleIncomingPush(const String& bundleIdentifier, WebKit::WebPushMessage&&);
// Message handlers
void echoTwice(ClientConnection*, const String&, CompletionHandler<void(const String&)>&& replySender);
void requestSystemNotificationPermission(ClientConnection*, const String&, CompletionHandler<void(bool)>&& replySender);
void getOriginsWithPushAndNotificationPermissions(ClientConnection*, CompletionHandler<void(const Vector<String>&)>&& replySender);
void deletePushAndNotificationRegistration(ClientConnection*, const String& originString, CompletionHandler<void(const String&)>&& replySender);
void setDebugModeIsEnabled(ClientConnection*, bool);
void updateConnectionConfiguration(ClientConnection*, const WebPushDaemonConnectionConfiguration&);
void injectPushMessageForTesting(ClientConnection*, const PushMessageForTesting&, CompletionHandler<void(bool)>&&);
void injectEncryptedPushMessageForTesting(ClientConnection*, const String&, CompletionHandler<void(bool)>&&);
void getPendingPushMessages(ClientConnection*, CompletionHandler<void(const Vector<WebKit::WebPushMessage>&)>&& replySender);
void subscribeToPushService(ClientConnection*, const URL& scopeURL, const Vector<uint8_t>& applicationServerKey, CompletionHandler<void(const Expected<WebCore::PushSubscriptionData, WebCore::ExceptionData>&)>&& replySender);
void unsubscribeFromPushService(ClientConnection*, const URL& scopeURL, WebCore::PushSubscriptionIdentifier, CompletionHandler<void(const Expected<bool, WebCore::ExceptionData>&)>&& replySender);
void getPushSubscription(ClientConnection*, const URL& scopeURL, CompletionHandler<void(const Expected<std::optional<WebCore::PushSubscriptionData>, WebCore::ExceptionData>&)>&& replySender);
void getPushPermissionState(ClientConnection*, const URL& scopeURL, CompletionHandler<void(const Expected<uint8_t, WebCore::ExceptionData>&)>&& replySender);
void broadcastDebugMessage(JSC::MessageLevel, const String&);
void broadcastAllConnectionIdentities();
private:
Daemon() = default;
CompletionHandler<void(EncodedMessage&&)> createReplySender(WebKit::WebPushD::MessageType, OSObjectPtr<xpc_object_t>&& request);
void decodeAndHandleMessage(xpc_connection_t, WebKit::WebPushD::MessageType, Span<const uint8_t> encodedMessage, CompletionHandler<void(EncodedMessage&&)>&&);
bool canRegisterForNotifications(ClientConnection&);
void notifyClientPushMessageIsAvailable(const String& clientCodeSigningIdentifier);
void setPushService(std::unique_ptr<PushService>&&);
void runAfterStartingPushService(Function<void()>&&);
ClientConnection* toClientConnection(xpc_connection_t);
HashMap<xpc_connection_t, Ref<ClientConnection>> m_connectionMap;
std::unique_ptr<PushService> m_pushService;
bool m_pushServiceStarted { false };
Deque<Function<void()>> m_pendingPushServiceFunctions;
HashMap<String, Vector<WebKit::WebPushMessage>> m_pushMessages;
HashMap<String, Deque<PushMessageForTesting>> m_testingPushMessages;
};
} // namespace WebPushD
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