magros / laravel-model-encryption

src/Encrypter.php

<?php
namespace Magros\Encryptable;
use Illuminate\Support\Facades\Config;

class Encrypter
{
    private $method = 'aes-128-ecb';
    private $key;
    private $prefix;

    /**
     * @param $value
     * @return string
     */
    public function encrypt($value)
    {
        return $this->getPrefix() . '_' . openssl_encrypt($value, $this->method, $this->getKey(), 0, $iv = '');

It seems like $this->getKey() can also be of type boolean and null; however, parameter $passphrase of openssl_encrypt() does only seem to accept string, maybe add an additional type check?

    }

    /**
     * @param $value
     * @return string
     */
    public function decrypt($value)
    {
        $value = str_replace("{$this->getPrefix()}_",'',$value);

        return openssl_decrypt($value, $this->method, $this->getKey(), 0, $iv = '');

It seems like $this->getKey() can also be of type boolean and null; however, parameter $passphrase of openssl_decrypt() does only seem to accept string, maybe add an additional type check?

    }


    /**
     * @return bool|null|string
     * @throws \Exception
     */
    public function getKey()
    {
        if ($this->key === null) {
            if(! Config::get('encrypt.key')) throw new \Exception('The .env value ENCRYPT_KEY has to be set');
            $this->key = substr(hash('sha256', Config::get('encrypt.key')), 0, 16);
        }
        return $this->key;
    }

    /**
     * @return mixed
     */
    public function getPrefix()
    {
        if(! $this->prefix){
            $this->prefix = Config::get('encrypt.prefix');
        }
        return $this->prefix;
    }

}