fighting weird bug with branches

server/Register.cs

@@ -0,0 +1,65 @@
+using System.Net;
+using System.Security.Cryptography;
+using MySql.Data.MySqlClient;
+
+namespace Server;
+
+public class Register : SecuredRoute
+{
+    private static void ValidateParams(Dictionary<string, string> paramsToValidate)
+    {
+        if (
+            string.IsNullOrEmpty(paramsToValidate["username"])
+            || paramsToValidate["username"].Length > 30
+            || paramsToValidate["username"].Length < 4
+            || string.IsNullOrEmpty(paramsToValidate["email"])
+            || paramsToValidate["email"].Length > 50
+            || paramsToValidate["email"].Length < 6
+            || string.IsNullOrEmpty(paramsToValidate["password"])
+            || paramsToValidate["password"].Length > 50
+            || paramsToValidate["password"].Length < 10
+        )
+        {
+            throw new Exception("Wrong parameters");
+        }
+    }
+
+    public static void HandleRequest(HttpListenerRequest request, HttpListenerResponse response)
+    {
+        try
+        {
+            List<string> bodyParamNames = ["username", "email", "password"];
+            var bodyParamValues = ExtractBody(request, bodyParamNames);
+            ValidateParams(bodyParamValues);
+
+            MySqlCommand cmd = new(CreateInsertQuery("user", bodyParamNames));
+            bodyParamValues["password"] = HashPassword(bodyParamValues["password"]);
+            cmd = AddValuesToCmd(bodyParamValues, cmd);
+            using MySqlConnection conn = new(connectionString);
+            conn.Open();
+            cmd.Connection = conn;
+            cmd.ExecuteNonQuery();
+
+            SendSuccess(response);
+        }
+        catch (Exception ex)
+        {
+            SendError(response, ex);
+        }
+    }
+
+    private static string HashPassword(string password)
+    {
+        byte[] salt = new byte[16];
+        RandomNumberGenerator.Fill(salt);
+
+        using var pbkdf2 = new Rfc2898DeriveBytes(password, salt, 10000, HashAlgorithmName.SHA256);
+        byte[] hash = pbkdf2.GetBytes(32);
+
+        byte[] hashBytes = new byte[48]; // 16 (salt) + 32 (hash)
+        Array.Copy(salt, 0, hashBytes, 0, 16);
+        Array.Copy(hash, 0, hashBytes, 16, 32);
+
+        return Convert.ToBase64String(hashBytes);
+    }
+}