jaeger-app / encrypt

src/Encrypt.php

<?php
/**
 * Jaeger
 *
 * @copyright	Copyright (c) 2015-2016, mithra62
 * @link		http://jaeger-app.com
 * @version		1.0
 * @filesource 	./Encrypt.php
 */
namespace JaegerApp;

use phpseclib\Crypt\AES;

/**
 * Jaeger - Encryption Object
 *
 * Handles encrypting and decrypting items from and for storage
 *
 * @package Encrypt
 * @author Eric Lamb <eric@mithra62.com>
 */
class Encrypt
{

    /**
     * The encryption key/salt to use for the request
     * 
     * @var string
     */
    protected $key = 'MolliePosellIsLikeSoAmazingYouCantEvenLookWithoutYourHeadBlowingUp';

    /**
     * The encryption library we're using
     * 
     * @var \Crypt_AES
     */
    protected $api = null;

    /**
     * Sets the encryption key
     * 
     * @param string $key            
     * @return \mithra62\Encrypt
     */
    public function setKey($key)
    {
        if ($key != '') {
            $this->key = $key;
        }
        
        return $this;
    }

    /**
     * Returns the encryption key
     * 
     * @return \mithra62\string
     */
    public function getKey()
    {
        return $this->key;
    }

    /**
     * Encrypts a string
     * 
     * @param string $string
     *            The string to encrypt
     * @return string
     */
    public function encode($string)
    {
        return base64_encode($this->getApi()->encrypt($string));
    }

    /**
     * Decrypts a previously encrypted string
     * 
     * @param string $string
     *            The string to decrypt
     * @return string
     */
    public function decode($string)
    {
        return $this->getApi()->decrypt(base64_decode($string));
    }

    /**
     * Returns an instance of the Crypto library
     * 
     * @return Crypt_AES
     */
    public function getApi()
    {
        if (is_null($this->api)) {
            $this->api = new AES();

It seems like new \phpseclib\Crypt\AES() of type object<phpseclib\Crypt\AES> is incompatible with the declared type object<Crypt_AES> of property $api.

            $this->api->setKey($this->getKey());
        }
        
        return $this->api;
    }
    
    /**
     * Generates a Guid if able
     * @return string
     */
    public function guid()
    {
        if (function_exists('com_create_guid')) {
            return com_create_guid();
        } else {
            mt_srand((double) microtime() * 10000); // optional for php 4.2.0 and up.
            $charid = strtoupper(md5(uniqid(rand(), true) . $this->getKey()));
            $hyphen = chr(45); // "-"
            $uuid = substr($charid, 0, 8) . $hyphen . substr($charid, 8, 4) . $hyphen . substr($charid, 12, 4) . $hyphen . substr($charid, 16, 4) . $hyphen . substr($charid, 20, 12);
            return strtolower($uuid);
        }
    }    
}