Jose\Factory\JWSFactory

Complexity

Total Complexity

8

Size/Duplication

Total Lines	127
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Importance

Changes	6
Bugs	0	Features	1

7 Methods

Rating	Name	Duplication	Size	Complexity
A	createJWS()	0	12	2
A	createJWSToCompactJSON()	0	6	1
A	createJWSWithDetachedPayloadToCompactJSON()	0	6	1
A	createJWSToFlattenedJSON()	0	6	1
A	createJWSWithDetachedPayloadToFlattenedJSON()	0	6	1
A	createJWSAndSign()	0	13	1
A	createJWSWithDetachedPayloadAndSign()	0	13	1

<?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\Factory;

use Assert\Assertion;
use Jose\Object\JWKInterface;
use Jose\Object\JWS;
use Jose\Signer;
use Psr\Log\LoggerInterface;

final class JWSFactory
{
    /**
     * @param mixed $payload
     * @param bool  $is_payload_detached
     *
     * @return \Jose\Object\JWSInterface
     */
    public static function createJWS($payload, $is_payload_detached = false)
    {
        $jws = new JWS();
        $jws = $jws->withPayload($payload);
        if (true === $is_payload_detached) {
            $jws = $jws->withDetachedPayload();
        } else {
            $jws = $jws->withAttachedPayload();
        }

        return $jws;
    }

    /**
     * @param mixed                         $payload
     * @param \Jose\Object\JWKInterface     $signature_key
     * @param array                         $protected_headers
     * @param \Psr\Log\LoggerInterface|null $logger
     *
     * @return string
     */
    public static function createJWSToCompactJSON($payload, JWKInterface $signature_key, array $protected_headers, LoggerInterface $logger = null)
    {
        $jws = self::createJWSAndSign($payload, $signature_key, $protected_headers, [], $logger);

        return $jws->toCompactJSON(0);
    }

    /**
     * @param mixed                         $payload
     * @param \Jose\Object\JWKInterface     $signature_key
     * @param array                         $protected_headers
     * @param \Psr\Log\LoggerInterface|null $logger
     *
     * @return string
     */
    public static function createJWSWithDetachedPayloadToCompactJSON($payload, JWKInterface $signature_key, array $protected_headers, LoggerInterface $logger = null)
    {
        $jws = self::createJWSWithDetachedPayloadAndSign($payload, $signature_key, $protected_headers, [], $logger);

        return $jws->toCompactJSON(0);
    }

    /**
     * @param mixed                         $payload
     * @param \Jose\Object\JWKInterface     $signature_key
     * @param array                         $protected_headers
     * @param array                         $headers
     * @param \Psr\Log\LoggerInterface|null $logger
     *
     * @return string
     */
    public static function createJWSToFlattenedJSON($payload, JWKInterface $signature_key, array $protected_headers = [], $headers = [], LoggerInterface $logger = null)
    {
        $jws = self::createJWSAndSign($payload, $signature_key, $protected_headers, $headers, $logger);

        return $jws->toFlattenedJSON(0);
    }

    /**
     * @param mixed                         $payload
     * @param \Jose\Object\JWKInterface     $signature_key
     * @param array                         $protected_headers
     * @param array                         $headers
     * @param \Psr\Log\LoggerInterface|null $logger
     *
     * @return string
     */
    public static function createJWSWithDetachedPayloadToFlattenedJSON($payload, JWKInterface $signature_key, array $protected_headers = [], $headers = [], LoggerInterface $logger = null)
    {
        $jws = self::createJWSWithDetachedPayloadAndSign($payload, $signature_key, $protected_headers, $headers, $logger);

        return $jws->toFlattenedJSON(0);
    }

    /**
     * @param mixed                         $payload
     * @param \Jose\Object\JWKInterface     $signature_key
     * @param array                         $protected_headers
     * @param \Psr\Log\LoggerInterface|null $logger
     *
     * @return \Jose\Object\JWSInterface
     */
    private static function createJWSAndSign($payload, JWKInterface $signature_key, array $protected_headers = [], $headers = [], LoggerInterface $logger = null)
    {
        $jws = self::createJWS($payload);

        $jws = $jws->addSignatureInformation($signature_key, $protected_headers, $headers);

        $complete_headers = array_merge($protected_headers, $headers);
        Assertion::keyExists($complete_headers, 'alg', 'No "alg" parameter set in the header');
        $signer = Signer::createSigner([$complete_headers['alg']], $logger);
        $signer->sign($jws);

        return $jws;
    }

    /**
     * @param mixed                         $payload
     * @param \Jose\Object\JWKInterface     $signature_key
     * @param array                         $protected_headers
     * @param \Psr\Log\LoggerInterface|null $logger
     *
     * @return \Jose\Object\JWSInterface
     */
    private static function createJWSWithDetachedPayloadAndSign($payload, JWKInterface $signature_key, array $protected_headers = [], $headers = [], LoggerInterface $logger = null)
    {
        $jws = self::createJWS($payload, true);

        $jws = $jws->addSignatureInformation($signature_key, $protected_headers, $headers);

        $complete_headers = array_merge($protected_headers, $headers);
        Assertion::keyExists($complete_headers, 'alg', 'No "alg" parameter set in the header');
        $signer = Signer::createSigner([$complete_headers['alg']], $logger);
        $signer->sign($jws);

        return $jws;
    }
}