Initial release v1.01 — InstaSoft Office Tool

Office deployment wizard for InstaSoft customers:
- Install Office 2019/2021/2024 (Standard, Professional Plus, Home & Business)
- Auto-download ODT from Microsoft, generate config XML, run setup
- Remove existing Office installations (C2R + MSI)
- License troubleshooting via ospp.vbs (dstatus, unpkey)
- Fluent Design UI (WPF .NET Framework 4.8, Win7+ compatible)
- Hungarian interface, multi-language Office installation
- Product key input with auto-activation support

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Services/LicenseManager.cs

@@ -0,0 +1,119 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace InstaSoftOfficeTool.Services
+{
+    public class LicenseManager
+    {
+        public string OsppPath { get; private set; }
+
+        public bool FindOspp()
+        {
+            var searchPaths = new[]
+            {
+                // Click-to-Run (leggyakoribb — Office 365, 2019, 2021, 2024)
+                @"C:\Program Files\Microsoft Office\root\Office16\OSPP.VBS",
+                @"C:\Program Files (x86)\Microsoft Office\root\Office16\OSPP.VBS",
+                // Hagyományos MSI
+                @"C:\Program Files\Microsoft Office\Office16\ospp.vbs",
+                @"C:\Program Files (x86)\Microsoft Office\Office16\ospp.vbs",
+                @"C:\Program Files\Microsoft Office\Office15\ospp.vbs",
+                @"C:\Program Files (x86)\Microsoft Office\Office15\ospp.vbs",
+                @"C:\Program Files\Microsoft Office\Office14\ospp.vbs",
+                @"C:\Program Files (x86)\Microsoft Office\Office14\ospp.vbs",
+            };
+
+            foreach (var path in searchPaths)
+            {
+                if (File.Exists(path))
+                {
+                    OsppPath = path;
+                    return true;
+                }
+            }
+
+            try
+            {
+                var c2rPath = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(
+                    @"SOFTWARE\Microsoft\Office\ClickToRun\Configuration")
+                    ?.GetValue("InstallationPath") as string;
+
+                if (!string.IsNullOrEmpty(c2rPath))
+                {
+                    // C2R: root\Office16 vagy sima Office16
+                    var candidates = new[]
+                    {
+                        Path.Combine(c2rPath, "root", "Office16", "OSPP.VBS"),
+                        Path.Combine(c2rPath, "Office16", "OSPP.VBS"),
+                    };
+                    foreach (var candidate in candidates)
+                    {
+                        if (File.Exists(candidate))
+                        {
+                            OsppPath = candidate;
+                            return true;
+                        }
+                    }
+                }
+            }
+            catch { }
+
+            return false;
+        }
+
+        public async Task<string> GetStatusAsync()
+        {
+            if (string.IsNullOrEmpty(OsppPath))
+                return "Az ospp.vbs nem tal\u00e1lhat\u00f3.";
+
+            var runner = new ProcessRunner();
+            return await runner.RunAndCaptureAsync("cscript",
+                "//Nologo \"" + OsppPath + "\" /dstatus");
+        }
+
+        public List<string> ParseLicenseKeys(string dstatusOutput)
+        {
+            var keys = new List<string>();
+            var regex = new Regex(@"Last 5 characters of installed product key:\s*(\S+)",
+                RegexOptions.IgnoreCase);
+
+            foreach (Match match in regex.Matches(dstatusOutput))
+            {
+                keys.Add(match.Groups[1].Value);
+            }
+
+            return keys;
+        }
+
+        public async Task<string> RemoveKeyAsync(string last5Chars)
+        {
+            if (string.IsNullOrEmpty(OsppPath))
+                return "Az ospp.vbs nem tal\u00e1lhat\u00f3.";
+
+            var runner = new ProcessRunner();
+            return await runner.RunAndCaptureAsync("cscript",
+                "//Nologo \"" + OsppPath + "\" /unpkey:" + last5Chars);
+        }
+
+        public async Task<string> RemoveAllKeysAsync()
+        {
+            var status = await GetStatusAsync();
+            var keys = ParseLicenseKeys(status);
+
+            if (keys.Count == 0)
+                return "Nem tal\u00e1lhat\u00f3 telep\u00edtett term\u00e9kkulcs.";
+
+            var results = new List<string>();
+            foreach (var key in keys)
+            {
+                var result = await RemoveKeyAsync(key);
+                results.Add(key + ": " + result.Trim());
+            }
+
+            return string.Join("\n", results);
+        }
+    }
+}