Initial commit: IT Nexus Web-App

2026-06-01 20:49:07 +02:00
commit 8023765e6c
387 changed files with 106900 additions and 0 deletions
--- a/agent-cs/Services/CommandExecutor.cs
+++ b/agent-cs/Services/CommandExecutor.cs
@@ -0,0 +1,123 @@
+using ITNexusAgent.Models;
+using System.Diagnostics;
+using System.Management;
+using System.Net.Http;
+
+namespace ITNexusAgent.Services;
+
+public class CommandExecutor(ApiService api, string hostname, string dataDir, string exePath)
+{
+    private readonly ApiService _api = api;
+    private readonly string _hostname = hostname;
+    private readonly string _dataDir = dataDir;
+    private readonly string _exePath = exePath;
+
+    private static void RunSchtasks(string args) =>
+        Process.Start(new ProcessStartInfo("schtasks.exe", args) { CreateNoWindow = true })?.WaitForExit();
+
+    public async Task ExecuteAsync(PatchCommand cmd)
+    {
+        string result;
+        try
+        {
+            result = cmd.Command switch
+            {
+                "check_updates"   => await CheckUpdates(),
+                "install_updates" => await InstallUpdates(),
+                "reboot"          => await Reboot(cmd.Id),
+                "upgrade_win11"   => await UpgradeWin11(),
+                "update_agent"    => await UpdateAgent(),
+                _                 => $"Unbekannter Command: {cmd.Command}"
+            };
+        }
+        catch (Exception ex)
+        {
+            result = $"Fehler: {ex.Message}";
+        }
+
+        if (cmd.Command != "reboot")
+        {
+            await _api.ReportCommandResultAsync(new CommandResult
+            {
+                CommandId = cmd.Id,
+                Status = "done",
+                Result = result
+            });
+        }
+    }
+
+    private Task<string> CheckUpdates()
+    {
+        Process.Start(new ProcessStartInfo("UsoClient.exe", "StartScan") { CreateNoWindow = true });
+        Thread.Sleep(5000);
+        return Task.FromResult("Update-Scan gestartet");
+    }
+
+    private Task<string> InstallUpdates()
+    {
+        Process.Start(new ProcessStartInfo("UsoClient.exe", "StartDownload") { CreateNoWindow = true });
+        Thread.Sleep(3000);
+        Process.Start(new ProcessStartInfo("UsoClient.exe", "StartInstall") { CreateNoWindow = true });
+        return Task.FromResult("Update-Installation gestartet");
+    }
+
+    private async Task<string> Reboot(int cmdId)
+    {
+        await _api.ReportCommandResultAsync(new CommandResult
+        {
+            CommandId = cmdId,
+            Status = "done",
+            Result = "Neustart wird in 60 Sekunden durchgeführt"
+        });
+        Process.Start("shutdown.exe", "/r /t 60 /c \"IT Nexus Patch Management - Geplanter Neustart\"");
+        return "";
+    }
+
+    private Task<string> UpgradeWin11()
+    {
+        var exePath = Path.Combine(_dataDir, "Win11Upgrade.exe");
+        using var client = new HttpClient();
+        var bytes = client.GetByteArrayAsync("https://go.microsoft.com/fwlink/?linkid=2171764").Result;
+        if (bytes.Length < 1024 * 1024) return Task.FromResult("Download fehlgeschlagen");
+        File.WriteAllBytes(exePath, bytes);
+
+        var fullUser = NotificationService.GetLoggedOnUser();
+        if (!string.IsNullOrEmpty(fullUser))
+        {
+            RunSchtasks("/delete /tn \"IT Nexus Win11 Upgrade\" /f");
+            RunSchtasks($"/create /tn \"IT Nexus Win11 Upgrade\" /tr \"\\\"{exePath}\\\" /skipeula /auto upgrade\" /sc ONCE /st {DateTime.Now.AddSeconds(20):HH:mm} /ru \"{fullUser}\" /it /rl HIGHEST /f");
+        }
+        else
+        {
+            Process.Start(new ProcessStartInfo(exePath, "/quietinstall /skipeula /auto upgrade")
+            { CreateNoWindow = true });
+        }
+        return Task.FromResult("running");
+    }
+
+    private async Task<string> UpdateAgent()
+    {
+        var bytes = await _api.DownloadSetupAsync();
+        if (bytes.Length < 512 * 1024) return "Download fehlgeschlagen - Installer zu klein";
+
+        var setupPath = Path.Combine(_dataDir, "IT-Nexus-Agent-Setup-Update.exe");
+        var batchPath = Path.Combine(_dataDir, "update.cmd");
+
+        await File.WriteAllBytesAsync(setupPath, bytes);
+
+        // Batch: wartet kurz, führt Installer silent aus, löscht sich selbst
+        var batch = $"""
+            @echo off
+            timeout /t 5 /nobreak > nul
+            "{setupPath}" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART
+            del "{setupPath}" > nul
+            del "%~f0"
+            """;
+
+        await File.WriteAllTextAsync(batchPath, batch, System.Text.Encoding.ASCII);
+        Process.Start(new ProcessStartInfo("cmd.exe", $"/c \"{batchPath}\"")
+        { CreateNoWindow = true, WindowStyle = ProcessWindowStyle.Hidden });
+
+        return "Update-Installer gestartet";
+    }
+}