Update Safe Exam Browser Patch to 3.10.0.826

SafeExamBrowser.Runtime/Responsibilities/CommunicationResponsibility.cs

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2025 ETH Zürich, IT Services
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+using System;
+using SafeExamBrowser.Communication.Contracts.Events;
+using SafeExamBrowser.Communication.Contracts.Hosts;
+using SafeExamBrowser.Configuration.Contracts;
+using SafeExamBrowser.Logging.Contracts;
+
+namespace SafeExamBrowser.Runtime.Responsibilities
+{
+	internal class CommunicationResponsibility : RuntimeResponsibility
+	{
+		private readonly IRuntimeHost runtimeHost;
+		private readonly Action shutdown;
+
+		internal CommunicationResponsibility(
+			ILogger logger,
+			RuntimeContext runtimeContext,
+			IRuntimeHost runtimeHost,
+			Action shutdown) : base(logger, runtimeContext)
+		{
+			this.runtimeHost = runtimeHost;
+			this.shutdown = shutdown;
+		}
+
+		public override void Assume(RuntimeTask task)
+		{
+			switch (task)
+			{
+				case RuntimeTask.DeregisterEvents:
+					DeregisterEvents();
+					break;
+				case RuntimeTask.RegisterEvents:
+					RegisterEvents();
+					break;
+			}
+		}
+
+		private void RegisterEvents()
+		{
+			runtimeHost.ClientConfigurationNeeded += RuntimeHost_ClientConfigurationNeeded;
+			runtimeHost.ReconfigurationRequested += RuntimeHost_ReconfigurationRequested;
+			runtimeHost.ShutdownRequested += RuntimeHost_ShutdownRequested;
+		}
+
+		private void DeregisterEvents()
+		{
+			runtimeHost.ClientConfigurationNeeded -= RuntimeHost_ClientConfigurationNeeded;
+			runtimeHost.ReconfigurationRequested -= RuntimeHost_ReconfigurationRequested;
+			runtimeHost.ShutdownRequested -= RuntimeHost_ShutdownRequested;
+		}
+
+		private void RuntimeHost_ClientConfigurationNeeded(ClientConfigurationEventArgs args)
+		{
+			args.ClientConfiguration = new ClientConfiguration
+			{
+				AppConfig = Context.Next.AppConfig,
+				SessionId = Context.Next.SessionId,
+				Settings = Context.Next.Settings
+			};
+		}
+
+		private void RuntimeHost_ReconfigurationRequested(ReconfigurationEventArgs args)
+		{
+			Logger.Info($"Accepted request for reconfiguration with '{args.ConfigurationPath}'.");
+
+			Context.ReconfigurationFilePath = args.ConfigurationPath;
+			Context.ReconfigurationUrl = args.ResourceUrl;
+			Context.Responsibilities.Delegate(RuntimeTask.StartSession);
+		}
+
+		private void RuntimeHost_ShutdownRequested()
+		{
+			Logger.Info("Received shutdown request from the client application.");
+			shutdown.Invoke();
+		}
+	}
+}