PHP code example of komputerwiz / secure-token

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

komputerwiz / secure-token example snippets

use Komputerwiz\Security\Token\SecureToken\Aes256CbcSha256SecureToken;
use Komputerwiz\Security\Token\SecureToken\ExpiringSecureToken;
use Komputerwiz\Security\Token\SecureToken\TimestampedSecureToken;
use Komputerwiz\Security\Token\SecureToken\TokenException;

// helper PBKDF2 method for deriving a key from a secret; not  it in an ExpiringSecureToken so that it will not be accepted after a set interval
$token = new ExpiringSecureToken($token, new \DateInterval('P1D'));

// record issue dates of tokens
$token = new TimestampedSecureToken($token);


$data = 'set your super secret data here';
$binaryToken = $token->encode($data)

// Do something with the $binaryToken. If it needs to be printed in ASCII text,
// be sure to base64_encode it and base64_decode it before the next step!


try {
    $data = $token->decode($binaryToken);
} catch (TokenException $e) {
    // token was either tampered with or expired
}


// get token creation timestamp (if $token instanceof TimestampedSecureToken)
$issued = $token->getTimestamp($binaryToken);

use Komputerwiz\Security\Token\SecureToken\SecureTokenInterface;

class MySecureTokenDecorator implements SecureTokenInterface
{
    /**
     * @var SecureTokenInterface $token
     */
    private $token;
    
    
    public function __construct(SecureTokenInterface $token)
    {
        $this->token = $token;
    }
    
    /**
     * {@inheritDoc}
     */
    public function encode($data)
    {
        // do something with $data to suit your needs (e.g. adding a header)
        
        return $this->token->encode($data);
    }
    
    /**
     * {@inheritDoc}
     */
    public function decode($token)
    {
        $data = $this->token->decode($token);
        
        // perform additional validity checks and/or modify $data
        
        return $data;
    }
}

use Komputerwiz\Security\Token\SecureToken\SecureToken;

class MySecureToken extends SecureToken
{
    /**
     * {@inheritDoc}
     */
    protected function getInitializationVectorLength()
    {
        // calculate input vector size (usually block size of algorithm)
        // @see openssl_cipher_iv_length($cipher)
        return $length;
    }

    /**
     * {@inheritDoc}
     */
    protected function sign($payload)
    {
        // generate signature for $payload
        return $signature;
    }

    /**
     * {@inheritDoc}
     */
    protected function encrypt($iv, $plaintext)
    {
        // encrypt $plaintext using init. vector $iv if necessary
        return $encrypted;
    }

    /**
     * {@inheritDoc}
     */
    protected function decrypt($iv, $ciphertext)
    {
        // decrypt $ciphertext using init. vector $iv if necessary
        return $decrypted;
    }
}