Initial commit

Creator/Helper/Utils.cs

@@ -0,0 +1,102 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography.X509Certificates;
+using Vestris.ResourceLib;
+
+namespace KattekerCreator.Helper
+{
+    public static class Utils
+    {
+        public static bool CheckFileExistens(string filePath)
+        {
+            if (File.Exists(filePath)) return true;
+            var file = filePath.Replace(Directory.GetParent(filePath) + "\\", "");
+            Console.WriteLine("Checking the prerequisites has failed.");
+            Console.WriteLine($"{file} is missing. Program exits now.");
+            Console.ReadKey();
+            return false;
+        }
+
+        public static string CreateTempDirectory()
+        {
+            string result;
+            do
+            {
+                result = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "temp", Environment.UserName,
+                    Path.GetRandomFileName());
+            } while (Directory.Exists(result));
+
+            Directory.CreateDirectory(result);
+            return result;
+        }
+
+        public static bool IsFilesizeWrong(string filename)
+        {
+            var file = new FileInfo(filename);
+            return !file.Exists || file.Length < 524288;
+        }
+
+        public static void CopyResources(string inFile, string outFile)
+        {
+            using (var ri = new ResourceInfo())
+            {
+                ri.Load(inFile);
+                var versionResource = (VersionResource) ri[Kernel32.ResourceTypes.RT_VERSION].First();
+                if (ri.ResourceTypes.Any(x => x.ResourceType == Kernel32.ResourceTypes.RT_GROUP_ICON))
+                {
+                    var groupIcon = ri[Kernel32.ResourceTypes.RT_GROUP_ICON];
+                    var iconDictionary = groupIcon.FirstOrDefault() as IconDirectoryResource;
+                    iconDictionary?.SaveTo(outFile);
+                }
+                versionResource.Language = 0;
+                versionResource.SaveTo(outFile);
+            }
+        }
+
+
+        public static void DeleteTempDir(string tempDir)
+        {
+#if !DEBUG
+            try
+            {
+                Directory.Delete(tempDir, true);
+            }
+            catch (Exception)
+            {
+                //silently ignore
+            }
+#endif
+        }
+
+        public static IEnumerable<FileInfo> EnumerateFiles(string programFile, IEnumerable<string> userdefinedFileExclusions = null)
+        {
+            if (string.IsNullOrWhiteSpace(programFile)) return null;
+            var directoryName = Path.GetDirectoryName(programFile);
+            if (directoryName == null) return null;
+            var files = new DirectoryInfo(directoryName).EnumerateFiles("*.*", SearchOption.AllDirectories);
+            var filter = FileExclusions(userdefinedFileExclusions).ToArray();
+            return files.Where(x => !filter.Any(y => x.Name.EndsWith(y, StringComparison.Ordinal)));
+        }
+
+        private static IEnumerable<string> FileExclusions(IEnumerable<string> userdefinedfileExclusions = null)
+        {
+            yield return ".pdb";
+            yield return ".tmp";
+            yield return ".obj";
+            yield return ".pch";
+            yield return ".vshost.exe";
+            yield return ".vshost.exe.config";
+            yield return ".vshost.exe.manifest";
+            yield return "squirrelHelperInfo.json";
+            yield return "Katteker.config";
+
+            if (userdefinedfileExclusions == null) yield break;
+            foreach (var fileExclusion in userdefinedfileExclusions)
+            {
+                yield return fileExclusion;
+            }
+        }
+    }
+}