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LIBYA CYBER ARMY
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System : Linux uta-edu.server.ly 4.18.0-513.11.1.el8_9.x86_64 #1 SMP Wed Jan 17 02:00:40 EST 2024 x86_64
User : utripoli ( 1001)
PHP Version : 7.4.33
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Directory :  /home/utripoli/public_html/cp/sis/libs/

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Current File : /home/utripoli/public_html/cp/sis/libs/Csrf.php
<?php

/**
 *  Csrf - Cross Site Request Forgery
 * @category  Security
 */
class Csrf
{
	public static $token = null;
	function __construct()
	{
		$token = get_session('csrf_token');
		if (empty($token)) {
			$token = hash_value(random_str(12));
			set_session('csrf_token', $token);		//set new token in session if not available
		}
		self::$token = $token;
	}

	/**
	 *  Csrf - Verify if the request is coming from our origin
	 * @category  Security
	 */
	public static function cross_check()
	{
		$current_token = get_session('csrf_token');

		$req_token = "";
		if (!empty($_SERVER['HTTP_X_CSRF_TOKEN'])) {
			$req_token = $_SERVER['HTTP_X_CSRF_TOKEN'];
		} elseif (!empty($_REQUEST['csrf_token'])) {
			$req_token = $_REQUEST['csrf_token'];
		}

		if ($req_token != $current_token) {
			render_error("Cross-Site request Forgery Detected. Please Contact The System Administrator For More Information", 403);
			exit;
		}

		return null;
	}
}

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