/* * Copyright (c) 2023 ETH Zürich, Educational Development and Technology (LET) * * 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.Diagnostics; using System.IO; using System.Linq; using System.Reflection; using SafeExamBrowser.Configuration.Contracts; using SafeExamBrowser.Settings; using SafeExamBrowser.Settings.Applications; using SafeExamBrowser.Settings.Browser; using SafeExamBrowser.Settings.Browser.Proxy; using SafeExamBrowser.Settings.Logging; using SafeExamBrowser.Settings.Proctoring; using SafeExamBrowser.Settings.Security; using SafeExamBrowser.Settings.Service; using SafeExamBrowser.Settings.UserInterface; namespace SafeExamBrowser.Configuration.ConfigurationData { internal class DataValues { private const string DEFAULT_CONFIGURATION_NAME = "SebClientSettings.seb"; private AppConfig appConfig; internal string GetAppDataFilePath() { return appConfig.AppDataFilePath; } internal AppConfig InitializeAppConfig() { var executable = Assembly.GetEntryAssembly(); var certificate = executable.Modules.First().GetSignerCertificate(); var programBuild = FileVersionInfo.GetVersionInfo(executable.Location).FileVersion; var programCopyright = executable.GetCustomAttribute().Copyright; var programTitle = executable.GetCustomAttribute().Title; var programVersion = executable.GetCustomAttribute().InformationalVersion; var appDataLocalFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), nameof(SafeExamBrowser)); var appDataRoamingFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), nameof(SafeExamBrowser)); var programDataFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), nameof(SafeExamBrowser)); var temporaryFolder = Path.Combine(appDataLocalFolder, "Temp"); var startTime = DateTime.Now; var logFolder = Path.Combine(appDataLocalFolder, "Logs"); var logFilePrefix = startTime.ToString("yyyy-MM-dd\\_HH\\hmm\\mss\\s"); appConfig = new AppConfig(); appConfig.AppDataFilePath = Path.Combine(appDataRoamingFolder, DEFAULT_CONFIGURATION_NAME); appConfig.ApplicationStartTime = startTime; appConfig.BrowserCachePath = Path.Combine(appDataLocalFolder, "Cache"); appConfig.BrowserLogFilePath = Path.Combine(logFolder, $"{logFilePrefix}_Browser.log"); appConfig.ClientId = Guid.NewGuid(); appConfig.ClientAddress = $"{AppConfig.BASE_ADDRESS}/client/{Guid.NewGuid()}"; appConfig.ClientExecutablePath = Path.Combine(Path.GetDirectoryName(executable.Location), $"{nameof(SafeExamBrowser)}.Client.exe"); appConfig.ClientLogFilePath = Path.Combine(logFolder, $"{logFilePrefix}_Client.log"); appConfig.CodeSignatureHash = certificate?.GetCertHashString(); appConfig.ConfigurationFileExtension = ".seb"; appConfig.ConfigurationFileMimeType = "application/seb"; appConfig.ProgramBuildVersion = programBuild; appConfig.ProgramCopyright = programCopyright; appConfig.ProgramDataFilePath = Path.Combine(programDataFolder, DEFAULT_CONFIGURATION_NAME); appConfig.ProgramTitle = programTitle; appConfig.ProgramInformationalVersion = programVersion; appConfig.RuntimeId = Guid.NewGuid(); appConfig.RuntimeAddress = $"{AppConfig.BASE_ADDRESS}/runtime/{Guid.NewGuid()}"; appConfig.RuntimeLogFilePath = Path.Combine(logFolder, $"{logFilePrefix}_Runtime.log"); appConfig.SebUriScheme = "seb"; appConfig.SebUriSchemeSecure = "sebs"; appConfig.ServiceAddress = $"{AppConfig.BASE_ADDRESS}/service"; appConfig.ServiceEventName = $@"Global\{nameof(SafeExamBrowser)}-{Guid.NewGuid()}"; appConfig.ServiceLogFilePath = Path.Combine(logFolder, $"{logFilePrefix}_Service.log"); appConfig.SessionCacheFilePath = Path.Combine(temporaryFolder, "cache.bin"); appConfig.TemporaryDirectory = temporaryFolder; return appConfig; } internal SessionConfiguration InitializeSessionConfiguration() { var configuration = new SessionConfiguration(); appConfig.ClientId = Guid.NewGuid(); appConfig.ClientAddress = $"{AppConfig.BASE_ADDRESS}/client/{Guid.NewGuid()}"; appConfig.ServiceEventName = $@"Global\{nameof(SafeExamBrowser)}-{Guid.NewGuid()}"; configuration.AppConfig = appConfig.Clone(); configuration.ClientAuthenticationToken = Guid.NewGuid(); configuration.SessionId = Guid.NewGuid(); return configuration; } internal AppSettings LoadDefaultSettings() { var settings = new AppSettings(); settings.ActionCenter.EnableActionCenter = true; settings.ActionCenter.ShowApplicationInfo = true; settings.ActionCenter.ShowApplicationLog = false; settings.ActionCenter.ShowClock = true; settings.ActionCenter.ShowKeyboardLayout = true; settings.ActionCenter.ShowNetwork = false; settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "AA_v3.exe", OriginalName = "AA_v3.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "AeroAdmin.exe", OriginalName = "AeroAdmin.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "beamyourscreen-host.exe", OriginalName = "beamyourscreen-host.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "CamPlay.exe", OriginalName = "CamPlay.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "Camtasia.exe", OriginalName = "Camtasia.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "CamtasiaStudio.exe", OriginalName = "CamtasiaStudio.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "Camtasia_Studio.exe", OriginalName = "Camtasia_Studio.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "CamRecorder.exe", OriginalName = "CamRecorder.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "CamtasiaUtl.exe", OriginalName = "CamtasiaUtl.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "chromoting.exe", OriginalName = "chromoting.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "CiscoCollabHost.exe", OriginalName = "CiscoCollabHost.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "CiscoWebExStart.exe", OriginalName = "CiscoWebExStart.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "Discord.exe", OriginalName = "Discord.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "Element.exe", OriginalName = "Element.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "g2mcomm.exe", OriginalName = "g2mcomm.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "g2mcomm.exe", OriginalName = "g2mcomm.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "g2mlauncher.exe", OriginalName = "g2mlauncher.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "g2mstart.exe", OriginalName = "g2mstart.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "GotoMeetingWinStore.exe", OriginalName = "GotoMeetingWinStore.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "join.me.exe", OriginalName = "join.me.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "join.me.sentinel.exe", OriginalName = "join.me.sentinel.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "Mikogo-host.exe", OriginalName = "Mikogo-host.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "ptoneclk.exe", OriginalName = "ptoneclk.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "RemotePCDesktop.exe", OriginalName = "RemotePCDesktop.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "remoting_host.exe", OriginalName = "remoting_host.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "RPCService.exe", OriginalName = "RPCService.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "RPCSuite.exe", OriginalName = "RPCSuite.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "Skype.exe", OriginalName = "Skype.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "SkypeApp.exe", OriginalName = "SkypeApp.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "SkypeHost.exe", OriginalName = "SkypeHost.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "slack.exe", OriginalName = "slack.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "Teams.exe", OriginalName = "Teams.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "TeamViewer.exe", OriginalName = "TeamViewer.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "Telegram.exe", OriginalName = "Telegram.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "vncserver.exe", OriginalName = "vncserver.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "vncviewer.exe", OriginalName = "vncviewer.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "vncserverui.exe", OriginalName = "vncserverui.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "webexmta.exe", OriginalName = "webexmta.exe" }); settings.Applications.Blacklist.Add(new BlacklistApplication { ExecutableName = "Zoom.exe", OriginalName = "Zoom.exe" }); settings.Browser.AdditionalWindow.AllowAddressBar = false; settings.Browser.AdditionalWindow.AllowBackwardNavigation = true; settings.Browser.AdditionalWindow.AllowDeveloperConsole = false; settings.Browser.AdditionalWindow.AllowForwardNavigation = true; settings.Browser.AdditionalWindow.AllowReloading = true; settings.Browser.AdditionalWindow.FullScreenMode = false; settings.Browser.AdditionalWindow.Position = WindowPosition.Right; settings.Browser.AdditionalWindow.RelativeHeight = 100; settings.Browser.AdditionalWindow.RelativeWidth = 50; settings.Browser.AdditionalWindow.ShowHomeButton = false; settings.Browser.AdditionalWindow.ShowReloadWarning = false; settings.Browser.AdditionalWindow.ShowToolbar = false; settings.Browser.AdditionalWindow.UrlPolicy = UrlPolicy.Never; settings.Browser.AllowConfigurationDownloads = true; settings.Browser.AllowCustomDownAndUploadLocation = false; settings.Browser.AllowDownloads = true; settings.Browser.AllowFind = true; settings.Browser.AllowPageZoom = true; settings.Browser.AllowPdfReader = true; settings.Browser.AllowPdfReaderToolbar = false; settings.Browser.AllowPrint = false; settings.Browser.AllowUploads = true; settings.Browser.DeleteCacheOnShutdown = true; settings.Browser.DeleteCookiesOnShutdown = true; settings.Browser.DeleteCookiesOnStartup = true; settings.Browser.EnableBrowser = true; settings.Browser.MainWindow.AllowAddressBar = false; settings.Browser.MainWindow.AllowBackwardNavigation = false; settings.Browser.MainWindow.AllowDeveloperConsole = false; settings.Browser.MainWindow.AllowForwardNavigation = false; settings.Browser.MainWindow.AllowReloading = true; settings.Browser.MainWindow.FullScreenMode = false; settings.Browser.MainWindow.RelativeHeight = 100; settings.Browser.MainWindow.RelativeWidth = 100; settings.Browser.MainWindow.ShowHomeButton = false; settings.Browser.MainWindow.ShowReloadWarning = true; settings.Browser.MainWindow.ShowToolbar = false; settings.Browser.MainWindow.UrlPolicy = UrlPolicy.Never; settings.Browser.PopupPolicy = PopupPolicy.Allow; settings.Browser.Proxy.Policy = ProxyPolicy.System; settings.Browser.ResetOnQuitUrl = false; settings.Browser.SendBrowserExamKey = false; settings.Browser.SendConfigurationKey = false; settings.Browser.ShowFileSystemElementPath = true; settings.Browser.StartUrl = "https://www.safeexambrowser.org/start"; settings.Browser.UseCustomUserAgent = false; settings.Browser.UseQueryParameter = false; settings.Browser.UseTemporaryDownAndUploadDirectory = false; settings.ConfigurationMode = ConfigurationMode.Exam; settings.Display.AllowedDisplays = 1; settings.Display.IgnoreError = false; settings.Display.InternalDisplayOnly = false; settings.Keyboard.AllowAltEsc = false; settings.Keyboard.AllowAltF4 = false; settings.Keyboard.AllowAltTab = true; settings.Keyboard.AllowCtrlEsc = false; settings.Keyboard.AllowEsc = true; settings.Keyboard.AllowF1 = true; settings.Keyboard.AllowF2 = true; settings.Keyboard.AllowF3 = true; settings.Keyboard.AllowF4 = true; settings.Keyboard.AllowF5 = true; settings.Keyboard.AllowF6 = true; settings.Keyboard.AllowF7 = true; settings.Keyboard.AllowF8 = true; settings.Keyboard.AllowF9 = true; settings.Keyboard.AllowF10 = true; settings.Keyboard.AllowF11 = true; settings.Keyboard.AllowF12 = true; settings.Keyboard.AllowPrintScreen = false; settings.Keyboard.AllowSystemKey = false; settings.LogLevel = LogLevel.Debug; settings.Mouse.AllowMiddleButton = false; settings.Mouse.AllowRightButton = true; settings.Proctoring.Enabled = false; settings.Proctoring.ForceRaiseHandMessage = false; settings.Proctoring.JitsiMeet.AllowChat = false; settings.Proctoring.JitsiMeet.AllowClosedCaptions = false; settings.Proctoring.JitsiMeet.AllowRaiseHand = false; settings.Proctoring.JitsiMeet.AllowRecording = false; settings.Proctoring.JitsiMeet.AllowTileView = false; settings.Proctoring.JitsiMeet.AudioMuted = true; settings.Proctoring.JitsiMeet.AudioOnly = false; settings.Proctoring.JitsiMeet.Enabled = false; settings.Proctoring.JitsiMeet.ReceiveAudio = false; settings.Proctoring.JitsiMeet.ReceiveVideo = false; settings.Proctoring.JitsiMeet.SendAudio = true; settings.Proctoring.JitsiMeet.SendVideo = true; settings.Proctoring.JitsiMeet.ShowMeetingName = false; settings.Proctoring.JitsiMeet.VideoMuted = false; settings.Proctoring.ShowRaiseHandNotification = true; settings.Proctoring.ShowTaskbarNotification = true; settings.Proctoring.WindowVisibility = WindowVisibility.Hidden; settings.Proctoring.Zoom.AllowChat = false; settings.Proctoring.Zoom.AllowClosedCaptions = false; settings.Proctoring.Zoom.AllowRaiseHand = false; settings.Proctoring.Zoom.AudioMuted = true; settings.Proctoring.Zoom.Enabled = false; settings.Proctoring.Zoom.ReceiveAudio = false; settings.Proctoring.Zoom.ReceiveVideo = false; settings.Proctoring.Zoom.SendAudio = true; settings.Proctoring.Zoom.SendVideo = true; settings.Proctoring.Zoom.VideoMuted = false; settings.Security.AllowApplicationLogAccess = false; settings.Security.AllowTermination = true; settings.Security.AllowReconfiguration = false; settings.Security.KioskMode = KioskMode.CreateNewDesktop; settings.Security.VirtualMachinePolicy = VirtualMachinePolicy.Deny; settings.Server.PingInterval = 1000; settings.Server.RequestAttemptInterval = 2000; settings.Server.RequestAttempts = 5; settings.Server.RequestTimeout = 30000; settings.Server.PerformFallback = false; settings.Service.DisableChromeNotifications = true; settings.Service.DisableEaseOfAccessOptions = true; settings.Service.DisableFindPrinter = true; settings.Service.DisableNetworkOptions = true; settings.Service.DisablePasswordChange = true; settings.Service.DisablePowerOptions = true; settings.Service.DisableRemoteConnections = true; settings.Service.DisableSignout = true; settings.Service.DisableTaskManager = true; settings.Service.DisableUserLock = true; settings.Service.DisableUserSwitch = true; settings.Service.DisableVmwareOverlay = true; settings.Service.DisableWindowsUpdate = true; settings.Service.IgnoreService = true; settings.Service.Policy = ServicePolicy.Mandatory; settings.Service.SetVmwareConfiguration = false; settings.SessionMode = SessionMode.Normal; settings.Taskbar.EnableTaskbar = true; settings.Taskbar.ShowApplicationInfo = false; settings.Taskbar.ShowApplicationLog = false; settings.Taskbar.ShowClock = true; settings.Taskbar.ShowKeyboardLayout = true; settings.Taskbar.ShowNetwork = false; settings.UserInterfaceMode = UserInterfaceMode.Desktop; return settings; } } }