1. Go to this page and download the library: Download mmdm/sim-csrf library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
mmdm / sim-csrf example snippets
composer
// to instance a csrf object
$csrf = new Csrf();
// then use csrf mothods like
$field = $csrf->getField();
// the output will be
// <input type="hidden" name="csrftoken" value="generated token">
// to set token expiration
$csrf->setExpiration(10);
// token is valid just for 10 seconds from now
// after 10 seconds it'll be generate again
$token1 = $csrf->getToken();
// some code
// ...
$token2 = $csrf->getToken();
// some othe code
// ...
$token3 = $csrf->getToken();
$token1 = $csrf->setExpiration(20)->getToken();
// some code
// ...
// in this code, expiration time will be 20 seconds
//according to previous codes
// if you want anothe expiration, specify it then
$token2 = $csrf->setExpiration(300)->getToken();
// some othe code
// ...
// same thing here
$token3 = $csrf->getToken();
// an integer value in seconds like 300
$timeout = $csrf->getExpiration();
// returns filed string for form
$field = $csrf->getField();
// output is
// <input type="hidden" name="csrftoken" value="generated token">
// returns token string
$token = $csrf->getToken();
// output is a hashed string
// returns token string
$token = $csrf->regenerateToken();
// output is a hashed string
// returns true on valid and false otherwise
$isValid = $csrf->validate();
// to clear all tokens
$csrf->clear();
interface ICsrfStorage
{
/**
* @param $key
* @param $value
* @param $time
* @return ICsrfStorage
*/
public function set($key, $value, $time): ICsrfStorage;
/**
* @param $key
* @return mixed
*/
public function get($key);
/**
* @param $key
* @return bool
*/
public function has($key): bool;
/**
* @param $key
* @return ICsrfStorage
*/
public function remove($key): ICsrfStorage;
/**
* Extend CSRF timeout if you want to
*
* @param $key
* @param int $expiration
* @return ICsrfStorage
*/
public function extend($key, int $expiration): ICsrfStorage;
/**
* Remove all stored tokens
*
* @param string $prefix
* @return ICsrfStorage
*/
public function clear($prefix): ICsrfStorage;
}
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