Location: PHPKode > scripts > Upble > upble-master/application/core/MY_Security.php
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
Class MY_Security extends CI_Security
{
	public function csrf_verify()
	{
		global $URI;
		$uri = $URI->uri_string();
		if(in_array($uri, config_item('csrf_excludedURIs')))
			return $this;
		
		// If no POST data exists we will set the CSRF cookie
		if (count($_POST) == 0)
		{
			return $this->csrf_set_cookie();
		}
		
		// Do the tokens exist in both the _POST and _COOKIE arrays?
		if ( ! isset($_POST[$this->_csrf_token_name]) OR
				! isset($_COOKIE[$this->_csrf_cookie_name]))
		{
			$this->csrf_show_error();
		}
		
		// Do the tokens match?
		if ($_POST[$this->_csrf_token_name] != $_COOKIE[$this->_csrf_cookie_name])
		{
			$this->csrf_show_error();
		}
		
		// We kill this since we're done and we don't want to
		// polute the _POST array
		unset($_POST[$this->_csrf_token_name]);
		
		// Nothing should last forever
		unset($_COOKIE[$this->_csrf_cookie_name]);
		$this->_csrf_set_hash();
		$this->csrf_set_cookie();
		
		log_message('debug', "CSRF token verified ");		
		return $this;
	}
}
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