Ensure password used when creating a database is valid; closes #1852

app/Helpers/Utilities.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Pterodactyl\Helpers;
+
+use Exception;
+use Illuminate\Support\Facades\Log;
+
+class Utilities
+{
+    /**
+     * Generates a random string and injects special characters into it, in addition to
+     * the randomness of the alpha-numeric default response.
+     *
+     * @param int $length
+     * @return string
+     */
+    public static function randomStringWithSpecialCharacters(int $length = 16): string
+    {
+        $string = str_random($length);
+        // Given a random string of characters, randomly loop through the characters and replace some
+        // with special characters to avoid issues with MySQL password requirements on some servers.
+        try {
+            for ($i = 0; $i < random_int(2, 6); $i++) {
+                $character = ['!', '@', '=', '.', '+', '^'][random_int(0, 5)];
+
+                $string = substr_replace($string, $character, random_int(0, $length - 1), 1);
+            }
+        } catch (Exception $exception) {
+            // Just log the error and hope for the best at this point.
+            Log::error($exception);
+        }
+
+        return $string;
+    }
+}