Psr7Middlewares\Utils\CryptTrait

Complexity

Total Complexity

5

Size/Duplication

Total Lines	51
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes	3
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	key()	0	7	1
A	encrypt()	0	8	2
A	decrypt()	0	8	2

<?php

namespace Psr7Middlewares\Utils;

use phpseclib\Crypt\AES;

/**
 * Trait used by all middlewares that needs encrypt/decrypt functions.
 */
trait CryptTrait
{
    private $cipher;

    /**
     * Set the key.
     * 
     * @param string $key
     *
     * @return self
     */
    public function key($key)
    {
        $this->cipher = new AES();
        $this->cipher->setKey($key);

        return $this;
    }

    /**
     * Encrypt the given value.
     *
     * @param string $value
     * 
     * @return string
     */
    private function encrypt($value)
    {
        if ($this->cipher) {
            return bin2hex($this->cipher->encrypt($value));
        }

        return $value;
    }

    /**
     * Decrypt the given value.
     *
     * @param string $value
     * 
     * @return string
     */
    private function decrypt($value)
    {
        if ($this->cipher) {
            return $this->cipher->decrypt(hex2bin($value));
        }

        return $value;
    }
}