Jose\Object\RotatableJWKSet

Complexity

Total Complexity

7

Size/Duplication

Total Lines	56
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	7	1
A	getJWKSet()	0	19	4
A	getFileLastModificationTime()	0	6	2

<?php

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2016 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace Jose\Object;

use Assert\Assertion;

/**
 * Class RotatableJWKSet.
 */
final class RotatableJWKSet extends StorableJWKSet implements RotatableJWKSetInterface
{
    /**
     * @var int
     */
    private $ttl;

    /**
     * RotatableJWKSet constructor.
     *
     * @param string $filename
     * @param array  $parameters
     * @param int    $nb_keys
     * @param int    $ttl
     */
    public function __construct($filename, array $parameters, $nb_keys, $ttl)
    {
        Assertion::integer($ttl);
        Assertion::greaterThan($ttl, 0, 'The parameter TTL must be at least 0.');
        $this->ttl = $ttl;
        parent::__construct($filename, $parameters, $nb_keys);
    }

    /**
     * @return \Jose\Object\JWKSetInterface
     */
    protected function getJWKSet()
    {
        $jwkset = parent::getJWKSet();
        if (null !== $this->getFileLastModificationTime()) {
            if ($this->getFileLastModificationTime() + $this->ttl < time()) {
                $keys = $jwkset->getKeys();
                unset($keys[count($keys) - 1]);
                $jwkset = new JWKSet();
                $jwkset->addKey($this->createJWK());

It seems like $this->createJWK() targeting Jose\Object\StorableJWKSet::createJWK() can also be of type object<Jose\Object\JWKSet>; however, Jose\Object\JWKSet::addKey() does only seem to accept object<Jose\Object\JWKInterface>, maybe add an additional type check?

                foreach ($keys as $key) {
                    $jwkset->addKey($key);
                }
                $this->jwkset = $jwkset;
                $this->save();
            }
        }

        return parent::getJWKSet();
    }

    /**
     * @return int|null
     */
    private function getFileLastModificationTime()
    {
        if (file_exists($this->getFilename())) {
            return filemtime($this->getFilename());
        }
    }
}