Fix mod presets being deleted when changed

bloxstraplabs · Aug 23, 2022 · 4c0e7f5 · 4c0e7f5
1 parent 1ab1977
commit 4c0e7f5
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/Bloxstrap/Bootstrapper.cs b/Bloxstrap/Bootstrapper.cs
@@ -563,6 +563,7 @@ private void ApplyModifications()
         private static void CheckModPreset(bool condition, string location, string base64Contents)
         {
             string modFolderLocation = Path.Combine(Directories.Modifications, location);
+            byte[] binaryData = Convert.FromBase64String(base64Contents);
 
             if (condition)
             {
@@ -575,10 +576,10 @@ private static void CheckModPreset(bool condition, string location, string base6
 
                     Directory.CreateDirectory(directory);
 
-                    File.WriteAllBytes(modFolderLocation, Convert.FromBase64String(base64Contents));
+                    File.WriteAllBytes(modFolderLocation, binaryData);
                 }
             }
-            else if (File.Exists(modFolderLocation))
+            else if (File.Exists(modFolderLocation) && Utilities.MD5File(modFolderLocation) == Utilities.MD5Data(binaryData))
             {
                 File.Delete(modFolderLocation);
             }

diff --git a/Bloxstrap/Helpers/Utilities.cs b/Bloxstrap/Helpers/Utilities.cs
@@ -36,6 +36,15 @@ public static string MD5File(string filename)
             }
         }
 
+        public static string MD5Data(byte[] data)
+        {
+            using (MD5 md5 = MD5.Create())
+            {
+                byte[] hash = md5.ComputeHash(data);
+                return BitConverter.ToString(hash).Replace("-", "").ToLowerInvariant();
+            }
+        }
+
         // quick and hacky way of getting a value from any key/value pair formatted list
         // (command line args, uri params, etc)
         public static string? GetKeyValue(string subject, string key, char delimiter)