Restore SEBPatch

SafeExamBrowser.ResetUtility/CompositionRoot.cs

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+/*
+ * Copyright (c) 2024 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 System.Collections.Generic;
+using System.IO;
+using SafeExamBrowser.Lockdown;
+using SafeExamBrowser.Lockdown.Contracts;
+using SafeExamBrowser.Logging;
+using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.ResetUtility.Procedure;
+using SafeExamBrowser.Settings.Logging;
+using SafeExamBrowser.SystemComponents;
+
+namespace SafeExamBrowser.ResetUtility
+{
+	internal class CompositionRoot
+	{
+		private ProcedureContext context;
+		private ILogger logger;
+
+		internal ProcedureStep InitialStep { get; private set; }
+		internal NativeMethods NativeMethods { get; private set; }
+
+		internal void BuildObjectGraph()
+		{
+			InitializeLogging();
+			InitializeContext();
+
+			InitialStep = new Initialization(context);
+			NativeMethods = new NativeMethods();
+		}
+
+		internal void LogStartupInformation()
+		{
+			logger.Log($"# Application started at {DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff")}");
+			logger.Log(string.Empty);
+		}
+
+		internal void LogShutdownInformation()
+		{
+			logger.Log(string.Empty);
+			logger?.Log($"# Application terminated at {DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff")}");
+		}
+
+		private IList<MainMenuOption> BuildMainMenu(ProcedureContext context)
+		{
+			return new List<MainMenuOption>
+			{
+				new MainMenuOption { IsSelected = true, NextStep = new Restore(context), Result = ProcedureStepResult.Continue, Text = "Restore system configuration via backup mechanism" },
+				new MainMenuOption { NextStep = new Reset(context), Result = ProcedureStepResult.Continue, Text = "Reset system configuration to default values" },
+				new MainMenuOption { NextStep = new Procedure.Version(context), Result = ProcedureStepResult.Continue, Text = "Show version information" },
+				new MainMenuOption { NextStep = new Log(context), Result = ProcedureStepResult.Continue, Text = "Show application log" },
+				new MainMenuOption { Result = ProcedureStepResult.Terminate, Text = "Exit" }
+			};
+		}
+
+		private IFeatureConfigurationBackup CreateBackup(string filePath)
+		{
+			return new FeatureConfigurationBackup(filePath, new ModuleLogger(logger, nameof(FeatureConfigurationBackup)));
+		}
+
+		private void InitializeContext()
+		{
+			context = new ProcedureContext();
+			context.ConfigurationFactory = new FeatureConfigurationFactory(new ModuleLogger(logger, nameof(FeatureConfigurationFactory)));
+			context.CreateBackup = CreateBackup;
+			context.Logger = logger;
+			context.MainMenu = BuildMainMenu(context);
+			context.Update = new SystemConfigurationUpdate(new ModuleLogger(logger, nameof(SystemConfigurationUpdate)));
+			context.UserInfo = new UserInfo(new ModuleLogger(logger, nameof(UserInfo)));
+		}
+
+		private void InitializeLogging()
+		{
+			var appDataFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), nameof(SafeExamBrowser));
+			var logFolder = Path.Combine(appDataFolder, "Logs");
+			var logFilePrefix = DateTime.Now.ToString("yyyy-MM-dd\\_HH\\hmm\\mss\\s");
+			var logFilePath = Path.Combine(logFolder, $"{logFilePrefix}_{nameof(ResetUtility)}.log");
+			var logFileWriter = new LogFileWriter(new DefaultLogFormatter(), logFilePath);
+
+			logger = new Logger();
+			logger.LogLevel = LogLevel.Debug;
+			logger.Subscribe(logFileWriter);
+			logFileWriter.Initialize();
+		}
+	}
+}