Add new classes and methods for session management

src/Socialbox/Classes/Validator.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Socialbox\Classes;
+
+class Validator
+{
+    private const PEER_ADDRESS_PATTERN = "/^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/";
+
+    /**
+     * Validates a peer address
+     *
+     * @param string $address The address to validate.
+     * @return bool True if the address is valid, false otherwise.
+     */
+    public static function validatePeerAddress(string $address): bool
+    {
+        return preg_match(self::PEER_ADDRESS_PATTERN, $address) === 1;
+    }
+}