school-cheating/SEBPatch
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 5 Wiki Activity

Restore SEBPatch

Browse Source
This commit is contained in:
Vichingo455
2025-06-01 11:56:28 +02:00
parent 8c656e3137
commit 00707825b4
1009 changed files with 5005 additions and 6502 deletions
Download Patch File Download Diff File Expand all files Collapse all files

170
SafeExamBrowser.Browser/BrowserApplication.cs
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2024 ETH Zürich, IT Services
* Copyright (c) 2025 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
@@ -116,18 +116,10 @@ namespace SafeExamBrowser.Browser
if (success)
{
InitializeCookies();
InitializeDownAndUploadDirectory();
InitializeIntegrityKeys();
if (settings.DeleteCookiesOnStartup)
{
DeleteCookies();
}
if (settings.UseTemporaryDownAndUploadDirectory)
{
CreateTemporaryDownAndUploadDirectory();
}
logger.Info("Initialized browser.");
}
else
@@ -144,36 +136,23 @@ namespace SafeExamBrowser.Browser
public void Terminate()
{
logger.Info("Initiating termination...");
AwaitReady();
foreach (var window in windows)
{
window.Closed -= Window_Closed;
window.Close();
logger.Info($"Closed browser window #{window.Id}.");
}
if (settings.UseTemporaryDownAndUploadDirectory)
{
DeleteTemporaryDownAndUploadDirectory();
}
if (settings.DeleteCookiesOnShutdown)
{
DeleteCookies();
}
FinalizeCookies();
FinalizeDownAndUploadDirectory();
Cef.Shutdown();
logger.Info("Terminated browser.");
FinalizeCache();
if (settings.DeleteCacheOnShutdown && settings.DeleteCookiesOnShutdown)
{
DeleteCache();
}
else
{
logger.Info("Retained browser cache.");
}
logger.Info("Terminated browser.");
}
private void AwaitReady()
@@ -231,46 +210,6 @@ namespace SafeExamBrowser.Browser
WindowsChanged?.Invoke();
}
private void CreateTemporaryDownAndUploadDirectory()
{
try
{
settings.DownAndUploadDirectory = Path.Combine(appConfig.TemporaryDirectory, Path.GetRandomFileName());
Directory.CreateDirectory(settings.DownAndUploadDirectory);
logger.Info($"Created temporary down- and upload directory.");
}
catch (Exception e)
{
logger.Error("Failed to create temporary down- and upload directory!", e);
}
}
private void DeleteTemporaryDownAndUploadDirectory()
{
try
{
Directory.Delete(settings.DownAndUploadDirectory, true);
logger.Info("Deleted temporary down- and upload directory.");
}
catch (Exception e)
{
logger.Error("Failed to delete temporary down- and upload directory!", e);
}
}
private void DeleteCache()
{
try
{
Directory.Delete(appConfig.BrowserCachePath, true);
logger.Info("Deleted browser cache.");
}
catch (Exception e)
{
logger.Error("Failed to delete browser cache!", e);
}
}
private void DeleteCookies()
{
var callback = new TaskDeleteCookiesCallback();
@@ -297,6 +236,50 @@ namespace SafeExamBrowser.Browser
}
}
private void FinalizeCache()
{
if (settings.DeleteCacheOnShutdown && settings.DeleteCookiesOnShutdown)
{
try
{
Directory.Delete(appConfig.BrowserCachePath, true);
logger.Info("Deleted browser cache.");
}
catch (Exception e)
{
logger.Error("Failed to delete browser cache!", e);
}
}
else
{
logger.Info("Retained browser cache.");
}
}
private void FinalizeCookies()
{
if (settings.DeleteCookiesOnShutdown)
{
DeleteCookies();
}
}
private void FinalizeDownAndUploadDirectory()
{
if (settings.UseTemporaryDownAndUploadDirectory)
{
try
{
Directory.Delete(settings.DownAndUploadDirectory, true);
logger.Info("Deleted temporary down- and upload directory.");
}
catch (Exception e)
{
logger.Error("Failed to delete temporary down- and upload directory!", e);
}
}
}
private string GenerateStartUrl()
{
var url = settings.StartUrl;
@@ -371,6 +354,53 @@ namespace SafeExamBrowser.Browser
return cefSettings;
}
private void InitializeCookies()
{
if (settings.DeleteCookiesOnStartup)
{
DeleteCookies();
}
}
private void InitializeDownAndUploadDirectory()
{
if (settings.UseTemporaryDownAndUploadDirectory)
{
InitializeTemporaryDownAndUploadDirectory();
}
else if (!string.IsNullOrEmpty(settings.DownAndUploadDirectory))
{
InitializeCustomDownAndUploadDirectory();
}
}
private void InitializeCustomDownAndUploadDirectory()
{
if (!Directory.Exists(Environment.ExpandEnvironmentVariables(settings.DownAndUploadDirectory)))
{
logger.Warn("The configured down- and upload directory does not exist! Falling back to the default directory...");
settings.DownAndUploadDirectory = default;
}
else
{
logger.Debug("Using custom down- and upload directory as defined in the active configuration.");
}
}
private void InitializeTemporaryDownAndUploadDirectory()
{
try
{
settings.DownAndUploadDirectory = Path.Combine(appConfig.TemporaryDirectory, Path.GetRandomFileName());
Directory.CreateDirectory(settings.DownAndUploadDirectory);
logger.Info($"Created temporary down- and upload directory.");
}
catch (Exception e)
{
logger.Error("Failed to create temporary down- and upload directory!", e);
}
}
private void InitializeIntegrityKeys()
{
logger.Debug($"Browser Exam Key (BEK) transmission is {(settings.SendBrowserExamKey ? "enabled" : "disabled")}.");