126 lines
3.9 KiB
C#
126 lines
3.9 KiB
C#
/*
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* Copyright (c) 2018 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System;
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using System.IO;
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using SafeExamBrowser.Contracts.Behaviour.Operations;
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using SafeExamBrowser.Contracts.Configuration;
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using SafeExamBrowser.Contracts.Configuration.Settings;
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using SafeExamBrowser.Contracts.I18n;
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using SafeExamBrowser.Contracts.Logging;
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using SafeExamBrowser.Contracts.UserInterface;
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namespace SafeExamBrowser.Runtime.Behaviour.Operations
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{
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internal class ConfigurationOperation : IOperation
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{
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private ILogger logger;
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private IRuntimeInfo runtimeInfo;
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private ISettingsRepository repository;
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private IText text;
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private IUserInterfaceFactory uiFactory;
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private string[] commandLineArgs;
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public bool Abort { get; private set; }
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public IProgressIndicator ProgressIndicator { private get; set; }
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public ConfigurationOperation(
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ILogger logger,
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IRuntimeInfo runtimeInfo,
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ISettingsRepository repository,
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IText text,
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IUserInterfaceFactory uiFactory,
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string[] commandLineArgs)
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{
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this.logger = logger;
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this.commandLineArgs = commandLineArgs;
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this.repository = repository;
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this.runtimeInfo = runtimeInfo;
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this.text = text;
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this.uiFactory = uiFactory;
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}
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public void Perform()
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{
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logger.Info("Initializing application configuration...");
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ProgressIndicator?.UpdateText(TextKey.SplashScreen_InitializeConfiguration);
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ISettings settings;
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var isValidUri = TryGetSettingsUri(out Uri uri);
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if (isValidUri)
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{
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logger.Info($"Loading configuration from '{uri.AbsolutePath}'...");
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settings = repository.Load(uri);
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if (settings.ConfigurationMode == ConfigurationMode.ConfigureClient && UserWantsToAbortStartup())
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{
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Abort = true;
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logger.Info($"The user chose to {(Abort ? "abort" : "continue")} the application startup after successful client configuration.");
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}
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}
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else
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{
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logger.Info("No valid settings file specified nor found in PROGRAMDATA or APPDATA - loading default settings...");
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settings = repository.LoadDefaults();
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}
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}
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public void Repeat()
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{
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// TODO: How will the new settings be retrieved? Uri passed to the repository? If yes, how does the Uri get here?!
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}
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public void Revert()
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{
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// Nothing to do here...
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}
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private bool TryGetSettingsUri(out Uri uri)
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{
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var path = string.Empty;
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var isValidUri = false;
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var programDataSettings = Path.Combine(runtimeInfo.ProgramDataFolder, runtimeInfo.DefaultSettingsFileName);
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var appDataSettings = Path.Combine(runtimeInfo.AppDataFolder, runtimeInfo.DefaultSettingsFileName);
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uri = null;
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if (commandLineArgs?.Length > 1)
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{
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path = commandLineArgs[1];
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isValidUri = Uri.TryCreate(path, UriKind.Absolute, out uri);
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logger.Info($"Found command-line argument for settings file: '{path}', the URI is {(isValidUri ? "valid" : "invalid")}.");
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}
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if (!isValidUri && File.Exists(programDataSettings))
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{
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path = programDataSettings;
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isValidUri = Uri.TryCreate(path, UriKind.Absolute, out uri);
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logger.Info($"Found settings file in PROGRAMDATA: '{path}', the URI is {(isValidUri ? "valid" : "invalid")}.");
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}
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if (!isValidUri && File.Exists(appDataSettings))
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{
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path = appDataSettings;
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isValidUri = Uri.TryCreate(path, UriKind.Absolute, out uri);
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logger.Info($"Found settings file in APPDATA: '{path}', the URI is {(isValidUri ? "valid" : "invalid")}.");
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}
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return isValidUri;
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}
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private bool UserWantsToAbortStartup()
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{
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var message = text.Get(TextKey.MessageBox_ConfigureClientSuccess);
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var title = text.Get(TextKey.MessageBox_ConfigureClientSuccessTitle);
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var abort = uiFactory.Show(message, title, MessageBoxAction.YesNo, MessageBoxIcon.Question);
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return abort == MessageBoxResult.Yes;
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}
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}
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}
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