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Update Safe Exam Browser Patch to 3.10.0.826

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This commit is contained in:
Vichingo455
2025-09-16 16:32:31 +02:00
parent 4827ae1afc
commit dd82d45ed8
320 changed files with 8445 additions and 5295 deletions
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130
SafeExamBrowser.Client/Responsibilities/ClientResponsibility.cs
View File

@@ -40,6 +40,20 @@ namespace SafeExamBrowser.Client.Responsibilities
}
}
protected bool IsValidQuitPassword(string password)
{
var actual = Context.HashAlgorithm.GenerateHashFor(password);
var expected = Settings.Security.QuitPasswordHash;
var valid = expected.Equals(actual, StringComparison.OrdinalIgnoreCase);
if (valid)
{
Context.QuitPasswordValidated = true;
}
return valid;
}
protected void PrepareShutdown()
{
Context.Responsibilities.Delegate(ClientTask.PrepareShutdown_Wave1);
@@ -56,72 +70,30 @@ namespace SafeExamBrowser.Client.Responsibilities
protected LockScreenResult ShowLockScreen(string message, string title, IEnumerable<LockScreenOption> options)
{
var hasQuitPassword = !string.IsNullOrEmpty(Settings.Security.QuitPasswordHash);
var result = default(LockScreenResult);
Context.LockScreen = Context.UserInterfaceFactory.CreateLockScreen(message, title, options, Settings.UserInterface.LockScreen);
Logger.Info("Showing lock screen...");
PauseActivators();
Context.LockScreen = Context.UserInterfaceFactory.CreateLockScreen(message, title, options, Settings.UserInterface.LockScreen);
Context.LockScreen.Show();
if (Settings.SessionMode == SessionMode.Server)
{
var response = Context.Server.LockScreen(message);
if (!response.Success)
{
Logger.Error($"Failed to send lock screen notification to server! Message: {response.Message}.");
}
SendLockScreenNotification(message);
}
for (var unlocked = false; !unlocked;)
{
result = Context.LockScreen.WaitForResult();
if (result.Canceled)
{
Logger.Info("The lock screen has been automaticaly canceled.");
unlocked = true;
}
else if (hasQuitPassword)
{
var passwordHash = Context.HashAlgorithm.GenerateHashFor(result.Password);
var isCorrect = Settings.Security.QuitPasswordHash.Equals(passwordHash, StringComparison.OrdinalIgnoreCase);
if (isCorrect)
{
Logger.Info("The user entered the correct unlock password.");
unlocked = true;
}
else
{
Logger.Info("The user entered the wrong unlock password.");
Context.MessageBox.Show(TextKey.MessageBox_InvalidUnlockPassword, TextKey.MessageBox_InvalidUnlockPasswordTitle, icon: MessageBoxIcon.Warning, parent: Context.LockScreen);
}
}
else
{
Logger.Warn($"No unlock password is defined, allowing user to resume session!");
unlocked = true;
}
}
var result = WaitForLockScreenResolution();
Context.LockScreen.Close();
Context.LockScreen = default;
ResumeActivators();
Logger.Info("Closed lock screen.");
if (Settings.SessionMode == SessionMode.Server)
{
var response = Context.Server.ConfirmLockScreen();
if (!response.Success)
{
Logger.Error($"Failed to send lock screen confirm notification to server! Message: {response.Message}.");
}
SendLockScreenConfirmation();
}
Logger.Info("Closed lock screen.");
return result;
}
@@ -139,5 +111,65 @@ namespace SafeExamBrowser.Client.Responsibilities
return communication.Success;
}
private void SendLockScreenConfirmation()
{
var response = Context.Server.ConfirmLockScreen();
if (!response.Success)
{
Logger.Error($"Failed to send lock screen confirmation to server! Message: {response.Message}.");
}
}
private void SendLockScreenNotification(string message)
{
var response = Context.Server.LockScreen(message);
if (!response.Success)
{
Logger.Error($"Failed to send lock screen notification to server! Message: {response.Message}.");
}
}
private LockScreenResult WaitForLockScreenResolution()
{
var hasQuitPassword = !string.IsNullOrEmpty(Settings.Security.QuitPasswordHash);
var result = default(LockScreenResult);
for (var unlocked = false; !unlocked;)
{
result = Context.LockScreen.WaitForResult();
if (result.Canceled)
{
Logger.Info("The lock screen has been canceled automatically.");
unlocked = true;
}
else if (hasQuitPassword)
{
var passwordHash = Context.HashAlgorithm.GenerateHashFor(result.Password);
var isCorrect = Settings.Security.QuitPasswordHash.Equals(passwordHash, StringComparison.OrdinalIgnoreCase);
if (isCorrect)
{
Logger.Info("The user entered the correct unlock password.");
unlocked = true;
}
else
{
Logger.Info("The user entered a wrong unlock password.");
Context.MessageBox.Show(TextKey.MessageBox_InvalidUnlockPassword, TextKey.MessageBox_InvalidUnlockPasswordTitle, icon: MessageBoxIcon.Warning, parent: Context.LockScreen);
}
}
else
{
Logger.Warn($"No unlock password is defined, allowing user to resume session!");
unlocked = true;
}
}
return result;
}
}
}

21
SafeExamBrowser.Client/Responsibilities/MonitoringResponsibility.cs
View File

@@ -9,6 +9,7 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Win32;
using SafeExamBrowser.Client.Contracts;
using SafeExamBrowser.I18n.Contracts;
using SafeExamBrowser.Logging.Contracts;
@@ -251,23 +252,29 @@ namespace SafeExamBrowser.Client.Responsibilities
}
}
private void Sentinel_SessionChanged()
private void Sentinel_SessionChanged(SessionSwitchReason reason)
{
var allow = !Settings.Service.IgnoreService && (!Settings.Service.DisableUserLock || !Settings.Service.DisableUserSwitch);
var disable = Settings.Security.DisableSessionChangeLockScreen;
if (allow || disable)
var allowed = !Settings.Service.IgnoreService && (!Settings.Service.DisableUserLock || !Settings.Service.DisableUserSwitch);
var disabled = Settings.Security.DisableSessionChangeLockScreen;
var ignore = Settings.Service.IgnoreService && (reason == SessionSwitchReason.SessionLock || reason == SessionSwitchReason.SessionUnlock);
if (allowed || disabled)
{
Logger.Info($"Detected user session change, but {(allow ? "session locking and/or switching is allowed" : "lock screen is deactivated")}.");
Logger.Info($"Detected user session change ({reason}), but {(allowed ? "session locking and/or switching is allowed" : "lock screen is disabled")}.");
}
else if (ignore)
{
Logger.Info($"Ignoring user session change ({reason}).");
}
else
{
var message = text.Get(TextKey.LockScreen_UserSessionMessage);
var message = text.Get(Settings.Service.IgnoreService ? TextKey.LockScreen_UserSwitchMessage : TextKey.LockScreen_UserSessionMessage);
var title = text.Get(TextKey.LockScreen_Title);
var continueOption = new LockScreenOption { Text = text.Get(TextKey.LockScreen_UserSessionContinueOption) };
var terminateOption = new LockScreenOption { Text = text.Get(TextKey.LockScreen_UserSessionTerminateOption) };
Logger.Warn("User session changed! Attempting to show lock screen...");
Logger.Warn($"User session changed ({reason})! Attempting to show lock screen...");
if (coordinator.RequestSessionLock())
{

43
SafeExamBrowser.Client/Responsibilities/ProctoringResponsibility.cs
View File

@@ -7,21 +7,33 @@
*/
using System.Threading.Tasks;
using SafeExamBrowser.I18n.Contracts;
using SafeExamBrowser.Logging.Contracts;
using SafeExamBrowser.Proctoring.Contracts;
using SafeExamBrowser.Proctoring.Contracts.Events;
using SafeExamBrowser.UserInterface.Contracts;
using SafeExamBrowser.UserInterface.Contracts.MessageBox;
using SafeExamBrowser.UserInterface.Contracts.Proctoring;
using SafeExamBrowser.UserInterface.Contracts.Proctoring.Events;
namespace SafeExamBrowser.Client.Responsibilities
{
internal class ProctoringResponsibility : ClientResponsibility
{
private readonly IMessageBox messageBox;
private readonly IUserInterfaceFactory uiFactory;
private bool cancel;
private IProctoringController Proctoring => Context.Proctoring;
public ProctoringResponsibility(ClientContext context, ILogger logger, IUserInterfaceFactory uiFactory) : base(context, logger)
public ProctoringResponsibility(
ClientContext context,
ILogger logger,
IMessageBox messageBox,
IUserInterfaceFactory uiFactory) : base(context, logger)
{
this.messageBox = messageBox;
this.uiFactory = uiFactory;
}
@@ -37,8 +49,10 @@ namespace SafeExamBrowser.Client.Responsibilities
{
if (Proctoring != default && Proctoring.HasRemainingWork())
{
var dialog = uiFactory.CreateProctoringFinalizationDialog();
var handler = new RemainingWorkUpdatedEventHandler((args) => dialog.Update(args));
var dialog = uiFactory.CreateProctoringFinalizationDialog(!Context.QuitPasswordValidated);
var handler = new RemainingWorkUpdatedEventHandler((args) => Proctoring_RemainingWorkUpdated(dialog, args));
dialog.CancellationRequested += new CancellationRequestedEventHandler(() => Dialog_CancellationRequested(dialog));
Task.Run(() =>
{
@@ -50,5 +64,28 @@ namespace SafeExamBrowser.Client.Responsibilities
dialog.Show();
}
}
private void Dialog_CancellationRequested(IProctoringFinalizationDialog dialog)
{
var alreadyValidated = Context.QuitPasswordValidated;
if (alreadyValidated || IsValidQuitPassword(dialog.QuitPassword))
{
cancel = true;
Logger.Info($"The user {(alreadyValidated ? "already " : "")}entered the correct quit password, cancelling remaining work...");
}
else
{
cancel = false;
Logger.Info("The user entered the wrong quit password, remaining work will continue.");
messageBox.Show(TextKey.MessageBox_InvalidQuitPassword, TextKey.MessageBox_InvalidQuitPasswordTitle, icon: MessageBoxIcon.Warning, parent: dialog);
}
}
private void Proctoring_RemainingWorkUpdated(IProctoringFinalizationDialog dialog, RemainingWorkUpdatedEventArgs args)
{
dialog.Update(args);
args.CancellationRequested = cancel;
}
}
}

33
SafeExamBrowser.Client/Responsibilities/ShellResponsibility.cs
View File

@@ -6,7 +6,6 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System;
using System.ComponentModel;
using System.Linq;
using SafeExamBrowser.Configuration.Contracts.Cryptography;
@@ -134,14 +133,14 @@ namespace SafeExamBrowser.Client.Responsibilities
{
var hasQuitPassword = !string.IsNullOrEmpty(Settings.Security.QuitPasswordHash);
var initiateShutdown = hasQuitPassword ? TryValidateQuitPassword() : TryConfirmShutdown();
var succes = false;
var success = false;
if (initiateShutdown)
{
succes = TryRequestShutdown();
success = TryRequestShutdown();
}
return succes;
return success;
}
private bool TryConfirmShutdown()
@@ -161,26 +160,20 @@ namespace SafeExamBrowser.Client.Responsibilities
{
var dialog = uiFactory.CreatePasswordDialog(TextKey.PasswordDialog_QuitPasswordRequired, TextKey.PasswordDialog_QuitPasswordRequiredTitle);
var result = dialog.Show();
var success = false;
if (result.Success)
if (result.Success && IsValidQuitPassword(result.Password))
{
var passwordHash = hashAlgorithm.GenerateHashFor(result.Password);
var isCorrect = Settings.Security.QuitPasswordHash.Equals(passwordHash, StringComparison.OrdinalIgnoreCase);
if (isCorrect)
{
Logger.Info("The user entered the correct quit password, the application will now terminate.");
}
else
{
Logger.Info("The user entered the wrong quit password.");
messageBox.Show(TextKey.MessageBox_InvalidQuitPassword, TextKey.MessageBox_InvalidQuitPasswordTitle, icon: MessageBoxIcon.Warning);
}
return isCorrect;
success = true;
Logger.Info("The user entered the correct quit password, the application will now terminate.");
}
else if (result.Success)
{
Logger.Info("The user entered the wrong quit password.");
messageBox.Show(TextKey.MessageBox_InvalidQuitPassword, TextKey.MessageBox_InvalidQuitPasswordTitle, icon: MessageBoxIcon.Warning);
}
return false;
return success;
}
}
}