92 lines
2.8 KiB
C#
92 lines
2.8 KiB
C#
/*
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* Copyright (c) 2025 ETH Zürich, IT Services
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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.Threading.Tasks;
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using SafeExamBrowser.I18n.Contracts;
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using SafeExamBrowser.Logging.Contracts;
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using SafeExamBrowser.Proctoring.Contracts;
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using SafeExamBrowser.Proctoring.Contracts.Events;
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using SafeExamBrowser.UserInterface.Contracts;
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using SafeExamBrowser.UserInterface.Contracts.MessageBox;
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using SafeExamBrowser.UserInterface.Contracts.Proctoring;
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using SafeExamBrowser.UserInterface.Contracts.Proctoring.Events;
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namespace SafeExamBrowser.Client.Responsibilities
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{
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internal class ProctoringResponsibility : ClientResponsibility
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{
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private readonly IMessageBox messageBox;
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private readonly IUserInterfaceFactory uiFactory;
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private bool cancel;
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private IProctoringController Proctoring => Context.Proctoring;
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public ProctoringResponsibility(
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ClientContext context,
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ILogger logger,
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IMessageBox messageBox,
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IUserInterfaceFactory uiFactory) : base(context, logger)
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{
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this.messageBox = messageBox;
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this.uiFactory = uiFactory;
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}
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public override void Assume(ClientTask task)
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{
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if (task == ClientTask.PrepareShutdown_Wave1)
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{
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FinalizeProctoring();
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}
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}
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private void FinalizeProctoring()
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{
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if (Proctoring != default && Proctoring.HasRemainingWork())
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{
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var dialog = uiFactory.CreateProctoringFinalizationDialog(!Context.QuitPasswordValidated);
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var handler = new RemainingWorkUpdatedEventHandler((args) => Proctoring_RemainingWorkUpdated(dialog, args));
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dialog.CancellationRequested += new CancellationRequestedEventHandler(() => Dialog_CancellationRequested(dialog));
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Task.Run(() =>
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{
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Proctoring.RemainingWorkUpdated += handler;
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Proctoring.ExecuteRemainingWork();
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Proctoring.RemainingWorkUpdated -= handler;
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});
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dialog.Show();
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}
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}
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private void Dialog_CancellationRequested(IProctoringFinalizationDialog dialog)
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{
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var alreadyValidated = Context.QuitPasswordValidated;
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if (alreadyValidated || IsValidQuitPassword(dialog.QuitPassword))
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{
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cancel = true;
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Logger.Info($"The user {(alreadyValidated ? "already " : "")}entered the correct quit password, cancelling remaining work...");
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}
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else
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{
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cancel = false;
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Logger.Info("The user entered the wrong quit password, remaining work will continue.");
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messageBox.Show(TextKey.MessageBox_InvalidQuitPassword, TextKey.MessageBox_InvalidQuitPasswordTitle, icon: MessageBoxIcon.Warning, parent: dialog);
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}
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}
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private void Proctoring_RemainingWorkUpdated(IProctoringFinalizationDialog dialog, RemainingWorkUpdatedEventArgs args)
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{
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dialog.Update(args);
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args.CancellationRequested = cancel;
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}
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}
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}
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