Restore SEBPatch
This commit is contained in:
396
SafeExamBrowser.Client/CompositionRoot.cs
Normal file
396
SafeExamBrowser.Client/CompositionRoot.cs
Normal file
@@ -0,0 +1,396 @@
|
||||
/*
|
||||
* 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.Diagnostics;
|
||||
using System.Text;
|
||||
using SafeExamBrowser.Applications;
|
||||
using SafeExamBrowser.Browser;
|
||||
using SafeExamBrowser.Client.Communication;
|
||||
using SafeExamBrowser.Client.Notifications;
|
||||
using SafeExamBrowser.Client.Operations;
|
||||
using SafeExamBrowser.Communication.Contracts;
|
||||
using SafeExamBrowser.Communication.Contracts.Proxies;
|
||||
using SafeExamBrowser.Communication.Hosts;
|
||||
using SafeExamBrowser.Communication.Proxies;
|
||||
using SafeExamBrowser.Configuration.Cryptography;
|
||||
using SafeExamBrowser.Configuration.Integrity;
|
||||
using SafeExamBrowser.Core.Contracts.OperationModel;
|
||||
using SafeExamBrowser.Core.OperationModel;
|
||||
using SafeExamBrowser.Core.Operations;
|
||||
using SafeExamBrowser.I18n;
|
||||
using SafeExamBrowser.I18n.Contracts;
|
||||
using SafeExamBrowser.Logging;
|
||||
using SafeExamBrowser.Logging.Contracts;
|
||||
using SafeExamBrowser.Monitoring;
|
||||
using SafeExamBrowser.Monitoring.Applications;
|
||||
using SafeExamBrowser.Monitoring.Display;
|
||||
using SafeExamBrowser.Monitoring.Keyboard;
|
||||
using SafeExamBrowser.Monitoring.Mouse;
|
||||
using SafeExamBrowser.Monitoring.System;
|
||||
using SafeExamBrowser.Proctoring;
|
||||
using SafeExamBrowser.Server;
|
||||
using SafeExamBrowser.Settings.Logging;
|
||||
using SafeExamBrowser.Settings.UserInterface;
|
||||
using SafeExamBrowser.SystemComponents;
|
||||
using SafeExamBrowser.SystemComponents.Audio;
|
||||
using SafeExamBrowser.SystemComponents.Contracts;
|
||||
using SafeExamBrowser.SystemComponents.Contracts.Network;
|
||||
using SafeExamBrowser.SystemComponents.Contracts.PowerSupply;
|
||||
using SafeExamBrowser.SystemComponents.Keyboard;
|
||||
using SafeExamBrowser.SystemComponents.Network;
|
||||
using SafeExamBrowser.SystemComponents.PowerSupply;
|
||||
using SafeExamBrowser.SystemComponents.Registry;
|
||||
using SafeExamBrowser.UserInterface.Contracts;
|
||||
using SafeExamBrowser.UserInterface.Contracts.FileSystemDialog;
|
||||
using SafeExamBrowser.UserInterface.Contracts.MessageBox;
|
||||
using SafeExamBrowser.UserInterface.Contracts.Shell;
|
||||
using SafeExamBrowser.UserInterface.Shared.Activators;
|
||||
using SafeExamBrowser.WindowsApi;
|
||||
using SafeExamBrowser.WindowsApi.Contracts;
|
||||
using SafeExamBrowser.WindowsApi.Processes;
|
||||
using Desktop = SafeExamBrowser.UserInterface.Desktop;
|
||||
using Mobile = SafeExamBrowser.UserInterface.Mobile;
|
||||
|
||||
namespace SafeExamBrowser.Client
|
||||
{
|
||||
internal class CompositionRoot
|
||||
{
|
||||
private const int TWO_SECONDS = 2000;
|
||||
private const int FIVE_SECONDS = 5000;
|
||||
|
||||
private Guid authenticationToken;
|
||||
private ClientContext context;
|
||||
private string logFilePath;
|
||||
private LogLevel logLevel;
|
||||
private string runtimeHostUri;
|
||||
private UserInterfaceMode uiMode;
|
||||
|
||||
private IActionCenter actionCenter;
|
||||
private ApplicationMonitor applicationMonitor;
|
||||
private ILogger logger;
|
||||
private IMessageBox messageBox;
|
||||
private INativeMethods nativeMethods;
|
||||
private INetworkAdapter networkAdapter;
|
||||
private IPowerSupply powerSupply;
|
||||
private IRuntimeProxy runtimeProxy;
|
||||
private ISystemInfo systemInfo;
|
||||
private ITaskbar taskbar;
|
||||
private ITaskview taskview;
|
||||
private IUserInfo userInfo;
|
||||
private IText text;
|
||||
private IUserInterfaceFactory uiFactory;
|
||||
|
||||
internal ClientController ClientController { get; private set; }
|
||||
|
||||
internal void BuildObjectGraph(Action shutdown)
|
||||
{
|
||||
ValidateCommandLineArguments();
|
||||
|
||||
InitializeLogging();
|
||||
InitializeText();
|
||||
|
||||
var processFactory = new ProcessFactory(ModuleLogger(nameof(ProcessFactory)));
|
||||
var registry = new Registry(ModuleLogger(nameof(Registry)));
|
||||
|
||||
uiFactory = BuildUserInterfaceFactory();
|
||||
actionCenter = uiFactory.CreateActionCenter();
|
||||
context = new ClientContext();
|
||||
messageBox = BuildMessageBox();
|
||||
nativeMethods = new NativeMethods();
|
||||
applicationMonitor = new ApplicationMonitor(TWO_SECONDS, ModuleLogger(nameof(ApplicationMonitor)), nativeMethods, processFactory);
|
||||
networkAdapter = new NetworkAdapter(ModuleLogger(nameof(NetworkAdapter)), nativeMethods);
|
||||
runtimeProxy = new RuntimeProxy(runtimeHostUri, new ProxyObjectFactory(), ModuleLogger(nameof(RuntimeProxy)), Interlocutor.Client);
|
||||
systemInfo = new SystemInfo(registry);
|
||||
taskbar = uiFactory.CreateTaskbar(ModuleLogger("Taskbar"));
|
||||
taskview = uiFactory.CreateTaskview();
|
||||
userInfo = new UserInfo(ModuleLogger(nameof(UserInfo)));
|
||||
|
||||
var applicationFactory = new ApplicationFactory(applicationMonitor, ModuleLogger(nameof(ApplicationFactory)), nativeMethods, processFactory, new Registry(ModuleLogger(nameof(Registry))));
|
||||
var clipboard = new Clipboard(ModuleLogger(nameof(Clipboard)), nativeMethods);
|
||||
var coordinator = new Coordinator();
|
||||
var displayMonitor = new DisplayMonitor(ModuleLogger(nameof(DisplayMonitor)), nativeMethods, systemInfo);
|
||||
var explorerShell = new ExplorerShell(ModuleLogger(nameof(ExplorerShell)), nativeMethods);
|
||||
var fileSystemDialog = BuildFileSystemDialog();
|
||||
var hashAlgorithm = new HashAlgorithm();
|
||||
var sentinel = new SystemSentinel(ModuleLogger(nameof(SystemSentinel)), nativeMethods, registry);
|
||||
var splashScreen = uiFactory.CreateSplashScreen();
|
||||
|
||||
var operations = new Queue<IOperation>();
|
||||
|
||||
operations.Enqueue(new I18nOperation(logger, text));
|
||||
operations.Enqueue(new RuntimeConnectionOperation(context, logger, runtimeProxy, authenticationToken));
|
||||
operations.Enqueue(new ConfigurationOperation(context, logger, runtimeProxy));
|
||||
operations.Enqueue(new DelegateOperation(UpdateAppConfig));
|
||||
operations.Enqueue(new DelegateOperation(BuildIntegrityModule));
|
||||
operations.Enqueue(new DelegateOperation(BuildPowerSupply));
|
||||
operations.Enqueue(new LazyInitializationOperation(BuildClientHostOperation));
|
||||
operations.Enqueue(new ClientHostDisconnectionOperation(context, logger, FIVE_SECONDS));
|
||||
operations.Enqueue(new LazyInitializationOperation(BuildKeyboardInterceptorOperation));
|
||||
operations.Enqueue(new LazyInitializationOperation(BuildMouseInterceptorOperation));
|
||||
operations.Enqueue(new ApplicationOperation(context, applicationFactory, applicationMonitor, logger, text));
|
||||
operations.Enqueue(new DisplayMonitorOperation(context, displayMonitor, logger, taskbar));
|
||||
operations.Enqueue(new LazyInitializationOperation(BuildShellOperation));
|
||||
operations.Enqueue(new LazyInitializationOperation(BuildBrowserOperation));
|
||||
operations.Enqueue(new LazyInitializationOperation(BuildServerOperation));
|
||||
operations.Enqueue(new LazyInitializationOperation(BuildProctoringOperation));
|
||||
operations.Enqueue(new ClipboardOperation(context, clipboard, logger));
|
||||
|
||||
var sequence = new OperationSequence(logger, operations);
|
||||
|
||||
ClientController = new ClientController(
|
||||
actionCenter,
|
||||
applicationMonitor,
|
||||
context,
|
||||
coordinator,
|
||||
displayMonitor,
|
||||
explorerShell,
|
||||
fileSystemDialog,
|
||||
hashAlgorithm,
|
||||
logger,
|
||||
messageBox,
|
||||
networkAdapter,
|
||||
sequence,
|
||||
runtimeProxy,
|
||||
shutdown,
|
||||
splashScreen,
|
||||
sentinel,
|
||||
taskbar,
|
||||
text,
|
||||
uiFactory);
|
||||
}
|
||||
|
||||
internal void LogStartupInformation()
|
||||
{
|
||||
logger.Log($"# New client instance started at {DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}");
|
||||
logger.Log(string.Empty);
|
||||
}
|
||||
|
||||
internal void LogShutdownInformation()
|
||||
{
|
||||
logger?.Log($"# Client instance terminated at {DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}");
|
||||
}
|
||||
|
||||
private void ValidateCommandLineArguments()
|
||||
{
|
||||
var args = Environment.GetCommandLineArgs();
|
||||
var hasFive = args?.Length >= 5;
|
||||
var valid = false;
|
||||
|
||||
if (hasFive)
|
||||
{
|
||||
var logFilePath = Encoding.UTF8.GetString(Convert.FromBase64String(args[1]));
|
||||
var hasLogFilePath = Uri.TryCreate(logFilePath, UriKind.Absolute, out var filePath) && filePath.IsFile;
|
||||
var hasLogLevel = Enum.TryParse(args[2], out LogLevel logLevel);
|
||||
var hasHostUri = Uri.TryCreate(args[3], UriKind.Absolute, out var runtimeHostUri) && runtimeHostUri.IsWellFormedOriginalString();
|
||||
var hasAuthenticationToken = Guid.TryParse(args[4], out var authenticationToken);
|
||||
|
||||
if (hasLogFilePath && hasLogLevel && hasHostUri && hasAuthenticationToken)
|
||||
{
|
||||
this.authenticationToken = authenticationToken;
|
||||
this.logFilePath = logFilePath;
|
||||
this.logLevel = logLevel;
|
||||
this.runtimeHostUri = args[3];
|
||||
this.uiMode = args.Length == 6 && Enum.TryParse(args[5], out uiMode) ? uiMode : UserInterfaceMode.Desktop;
|
||||
|
||||
valid = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (!valid)
|
||||
{
|
||||
throw new ArgumentException("Invalid arguments! Required: SafeExamBrowser.Client.exe <logfile path> <log level> <host URI> <token>");
|
||||
}
|
||||
}
|
||||
|
||||
private void InitializeLogging()
|
||||
{
|
||||
var logFileWriter = new LogFileWriter(new DefaultLogFormatter(), logFilePath);
|
||||
|
||||
logFileWriter.Initialize();
|
||||
|
||||
logger = new Logger();
|
||||
logger.LogLevel = logLevel;
|
||||
logger.Subscribe(logFileWriter);
|
||||
}
|
||||
|
||||
private void InitializeText()
|
||||
{
|
||||
text = new Text(ModuleLogger(nameof(Text)));
|
||||
}
|
||||
|
||||
private IOperation BuildBrowserOperation()
|
||||
{
|
||||
var fileSystemDialog = BuildFileSystemDialog();
|
||||
var keyGenerator = new KeyGenerator(context.AppConfig, context.IntegrityModule, ModuleLogger(nameof(KeyGenerator)));
|
||||
var moduleLogger = ModuleLogger(nameof(BrowserApplication));
|
||||
var browser = new BrowserApplication(
|
||||
context.AppConfig,
|
||||
context.Settings.Browser,
|
||||
fileSystemDialog,
|
||||
new HashAlgorithm(),
|
||||
keyGenerator,
|
||||
messageBox,
|
||||
moduleLogger,
|
||||
nativeMethods,
|
||||
context.Settings.SessionMode,
|
||||
text,
|
||||
uiFactory);
|
||||
var operation = new BrowserOperation(actionCenter, context, logger, taskbar, taskview, uiFactory);
|
||||
|
||||
context.Browser = browser;
|
||||
|
||||
return operation;
|
||||
}
|
||||
|
||||
private IOperation BuildClientHostOperation()
|
||||
{
|
||||
var processId = Process.GetCurrentProcess().Id;
|
||||
var factory = new HostObjectFactory();
|
||||
var clientHost = new ClientHost(context.AppConfig.ClientAddress, factory, ModuleLogger(nameof(ClientHost)), processId, FIVE_SECONDS);
|
||||
var operation = new CommunicationHostOperation(clientHost, logger);
|
||||
|
||||
context.ClientHost = clientHost;
|
||||
context.ClientHost.AuthenticationToken = authenticationToken;
|
||||
|
||||
return operation;
|
||||
}
|
||||
|
||||
private void BuildIntegrityModule()
|
||||
{
|
||||
context.IntegrityModule = new IntegrityModule(context.AppConfig, ModuleLogger(nameof(IntegrityModule)));
|
||||
}
|
||||
|
||||
private void BuildPowerSupply()
|
||||
{
|
||||
powerSupply = new PowerSupply(ModuleLogger(nameof(PowerSupply)), context.Settings.PowerSupply);
|
||||
}
|
||||
|
||||
private IOperation BuildKeyboardInterceptorOperation()
|
||||
{
|
||||
var keyboardInterceptor = new KeyboardInterceptor(ModuleLogger(nameof(KeyboardInterceptor)), nativeMethods, context.Settings.Keyboard);
|
||||
var operation = new KeyboardInterceptorOperation(context, keyboardInterceptor, logger);
|
||||
|
||||
return operation;
|
||||
}
|
||||
|
||||
private IOperation BuildMouseInterceptorOperation()
|
||||
{
|
||||
var mouseInterceptor = new MouseInterceptor(ModuleLogger(nameof(MouseInterceptor)), nativeMethods, context.Settings.Mouse);
|
||||
var operation = new MouseInterceptorOperation(context, logger, mouseInterceptor);
|
||||
|
||||
return operation;
|
||||
}
|
||||
|
||||
private IOperation BuildProctoringOperation()
|
||||
{
|
||||
var controller = new ProctoringController(
|
||||
context.AppConfig,
|
||||
applicationMonitor,
|
||||
context.Browser,
|
||||
new FileSystem(),
|
||||
ModuleLogger(nameof(ProctoringController)),
|
||||
nativeMethods,
|
||||
context.Server,
|
||||
text,
|
||||
uiFactory);
|
||||
var operation = new ProctoringOperation(actionCenter, context, controller, logger, taskbar, uiFactory);
|
||||
|
||||
context.Proctoring = controller;
|
||||
|
||||
return operation;
|
||||
}
|
||||
|
||||
private IOperation BuildServerOperation()
|
||||
{
|
||||
var keyGenerator = new KeyGenerator(context.AppConfig, context.IntegrityModule, ModuleLogger(nameof(KeyGenerator)));
|
||||
var server = new ServerProxy(context.AppConfig, keyGenerator, ModuleLogger(nameof(ServerProxy)), systemInfo, userInfo, powerSupply, networkAdapter);
|
||||
var operation = new ServerOperation(context, logger, server);
|
||||
|
||||
context.Server = server;
|
||||
|
||||
return operation;
|
||||
}
|
||||
|
||||
private IOperation BuildShellOperation()
|
||||
{
|
||||
var aboutNotification = new AboutNotification(context.AppConfig, text, uiFactory);
|
||||
var audio = new Audio(context.Settings.Audio, ModuleLogger(nameof(Audio)));
|
||||
var keyboard = new Keyboard(ModuleLogger(nameof(Keyboard)));
|
||||
var logNotification = new LogNotification(logger, text, uiFactory);
|
||||
var operation = new ShellOperation(
|
||||
actionCenter,
|
||||
audio,
|
||||
aboutNotification,
|
||||
context,
|
||||
keyboard,
|
||||
logger,
|
||||
logNotification,
|
||||
nativeMethods,
|
||||
networkAdapter,
|
||||
powerSupply,
|
||||
systemInfo,
|
||||
taskbar,
|
||||
taskview,
|
||||
text,
|
||||
uiFactory);
|
||||
|
||||
context.Activators.Add(new ActionCenterKeyboardActivator(ModuleLogger(nameof(ActionCenterKeyboardActivator)), nativeMethods));
|
||||
context.Activators.Add(new ActionCenterTouchActivator(ModuleLogger(nameof(ActionCenterTouchActivator)), nativeMethods));
|
||||
context.Activators.Add(new TaskbarKeyboardActivator(ModuleLogger(nameof(TaskbarKeyboardActivator)), nativeMethods));
|
||||
context.Activators.Add(new TaskviewKeyboardActivator(ModuleLogger(nameof(TaskviewKeyboardActivator)), nativeMethods));
|
||||
context.Activators.Add(new TerminationActivator(ModuleLogger(nameof(TerminationActivator)), nativeMethods));
|
||||
|
||||
return operation;
|
||||
}
|
||||
|
||||
private IFileSystemDialog BuildFileSystemDialog()
|
||||
{
|
||||
switch (uiMode)
|
||||
{
|
||||
case UserInterfaceMode.Mobile:
|
||||
return new Mobile.FileSystemDialogFactory(systemInfo, text);
|
||||
default:
|
||||
return new Desktop.FileSystemDialogFactory(systemInfo, text);
|
||||
}
|
||||
}
|
||||
|
||||
private IMessageBox BuildMessageBox()
|
||||
{
|
||||
switch (uiMode)
|
||||
{
|
||||
case UserInterfaceMode.Mobile:
|
||||
return new Mobile.MessageBoxFactory(text);
|
||||
default:
|
||||
return new Desktop.MessageBoxFactory(text);
|
||||
}
|
||||
}
|
||||
|
||||
private IUserInterfaceFactory BuildUserInterfaceFactory()
|
||||
{
|
||||
switch (uiMode)
|
||||
{
|
||||
case UserInterfaceMode.Mobile:
|
||||
return new Mobile.UserInterfaceFactory(text);
|
||||
default:
|
||||
return new Desktop.UserInterfaceFactory(text);
|
||||
}
|
||||
}
|
||||
|
||||
private void UpdateAppConfig()
|
||||
{
|
||||
ClientController.UpdateAppConfig();
|
||||
}
|
||||
|
||||
private IModuleLogger ModuleLogger(string moduleInfo)
|
||||
{
|
||||
return new ModuleLogger(logger, moduleInfo);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user