Add src files for CoreLibs composer all package

src/Output/Form/Token.php

@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * sets a form token in the _SESSION variable
+ * session must be started for this to work
+ */
+
+declare(strict_types=1);
+
+namespace CoreLibs\Output\Form;
+
+class Token
+{
+	/**
+	 * sets a form token in a session and returns form token
+	 *
+	 * @param  string $name optional form name, default form_token
+	 * @return string       token name for given form id string
+	 */
+	public static function setFormToken(string $name = 'form_token'): string
+	{
+		// current hard set to sha256
+		$token = uniqid(hash('sha256', (string)rand()));
+		$_SESSION[$name] = $token;
+		return $token;
+	}
+
+	/**
+	 * checks if the form token matches the session set form token
+	 *
+	 * @param  string $token token string to check
+	 * @param  string $name  optional form name to check to, default form_token
+	 * @return bool          false if not set, or true/false if matching or not mtaching
+	 */
+	public static function validateFormToken(string $token, string $name = 'form_token'): bool
+	{
+		if (isset($_SESSION[$name])) {
+			return $_SESSION[$name] === $token;
+		} else {
+			return false;
+		}
+	}
+}
+
+// __END_