CryptoManana\Core\Traits\MessageEncryption\ObjectEncryptionTrait

Complexity

Total Complexity

5

Size/Duplication

Total Lines	63
Duplicated Lines	0 %

Test Coverage

Coverage

0%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	encryptObject()	0	9	2
A	decryptObject()	0	13	3

<?php

/**
 * Trait implementation of object encryption/decryption for symmetric encryption algorithms.
 */

namespace CryptoManana\Core\Traits\MessageEncryption;

use \CryptoManana\Core\Interfaces\MessageEncryption\ObjectEncryptionInterface as ObjectEncryptionSpecification;
use \CryptoManana\Core\Abstractions\MessageEncryption\AbstractSymmetricEncryptionAlgorithm as AnyEncryptionAlgorithm;
use \CryptoManana\Core\StringBuilder as StringBuilder;

/**
 * Trait ObjectEncryptionTrait - Reusable implementation of `ObjectEncryptionInterface`.
 *
 * @see \CryptoManana\Core\Interfaces\MessageDigestion\ObjectEncryptionInterface The abstract specification.
 *
 * @package CryptoManana\Core\Traits\MessageEncryption
 *
 * @mixin ObjectEncryptionSpecification
 * @mixin AnyEncryptionAlgorithm
 */
trait ObjectEncryptionTrait
{
    /**
     * Encrypts the serialized value of the given object.
     *
     * @param object|\stdClass $object The object for hashing.
     *
     * @return string The encrypted serialized object as a string.
     * @throws \Exception Validation errors.
     */
    public function encryptObject($object)
    {
        if (is_object($object)) {
            $object = serialize($object);
        } else {
            throw new \InvalidArgumentException('The data for encryption must be an object instance.');
        }

        return $this->encryptData($object);
    }

    /**
     * Decrypts the encrypted value of the given object.
     *
     * @param string $cipherData The encrypted serialized object as a string.
     *
     * @return object|\stdClass The decrypted and unserialized object.
     * @throws \Exception Validation errors.
     */
    public function decryptObject($cipherData)
    {
        if (!is_string($cipherData)) {

The condition is_string($cipherData) is always true.

            throw new \InvalidArgumentException('The data for decryption must be a string or a binary string.');
        }

        $object = unserialize($this->decryptData($cipherData));

        if (!is_object($object)) {
            throw new \InvalidArgumentException('The decrypted data must be an object instance.');
        }

        return $object;
    }

    /**
     * Encrypts the given plain data.
     *
     * @param string $plainData The plain input string.
     *
     * @return string The cipher/encrypted data.
     * @throws \Exception Validation errors.
     */
    abstract public function encryptData($plainData);

    /**
     * Decrypts the given cipher data.
     *
     * @param string $cipherData The encrypted input string.
     *
     * @return string The decrypted/plain data.
     * @throws \Exception Validation errors.
     */
    abstract public function decryptData($cipherData);
}