Jose\Factory\JWSFactory

Complexity

Total Complexity

9

Size/Duplication

Total Lines	134
Duplicated Lines	0 %

Coupling/Cohesion

Components	2
Dependencies	6

Importance

Changes	4
Bugs	1	Features	1

8 Methods

Rating	Name	Duplication	Size	Complexity
A	createEmptyJWS()	0	7	1
A	createEmptyJWSWithDetachedPayload()	0	6	2
A	createJWSToCompactJSON()	0	6	1
A	createJWSWithDetachedPayloadToCompactJSON()	0	6	1
A	createJWSToFlattenedJSON()	0	6	1
A	createJWSWithDetachedPayloadToFlattenedJSON()	0	6	1
A	createJWSAndSign()	0	12	1
A	createJWSWithDetachedPayloadAndSign()	0	12	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 Base64Url\Base64Url;
use Jose\Object\JWKInterface;
use Jose\Object\JWS;
use Psr\Log\LoggerInterface;

final class JWSFactory
{
    /**
     * @param mixed $payload
     *
     * @return \Jose\Object\JWSInterface
     */
    public static function createEmptyJWS($payload)
    {
        $jws = new JWS();
        $jws = $jws->withPayload($payload);

        return $jws;
    }

    /**
     * @param mixed  $payload
     * @param string $encoded_payload
     *
     * @return \Jose\Object\JWSInterface
     */
    public static function createEmptyJWSWithDetachedPayload($payload, &$encoded_payload)
    {
        $encoded_payload = Base64Url::encode(is_string($payload) ? $payload : json_encode($payload));

        return new 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 string                        $encoded_payload
     * @param \Psr\Log\LoggerInterface|null $logger
     *
     * @return string
     */
    public static function createJWSWithDetachedPayloadToCompactJSON($payload, JWKInterface $signature_key, &$encoded_payload, array $protected_headers, LoggerInterface $logger = null)
    {
        $jws = self::createJWSWithDetachedPayloadAndSign($payload, $signature_key, $encoded_payload, $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 string                        $encoded_payload
     * @param array                         $protected_headers
     * @param array                         $headers
     * @param \Psr\Log\LoggerInterface|null $logger
     *
     * @return string
     */
    public static function createJWSWithDetachedPayloadToFlattenedJSON($payload, JWKInterface $signature_key, &$encoded_payload, array $protected_headers = [], $headers = [], LoggerInterface $logger = null)
    {
        $jws = self::createJWSWithDetachedPayloadAndSign($payload, $signature_key, $encoded_payload, $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)
    {
        $complete_headers = array_merge($protected_headers, $headers);
        Assertion::keyExists($complete_headers, 'alg', 'No "alg" parameter set in the header');
        $signer = SignerFactory::createSigner([$complete_headers['alg']], $logger);

        $jws = self::createEmptyJWS($payload);

        $signer->addSignature($jws, $signature_key, $protected_headers, $headers);

        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 $signature_key, &$encoded_payload, array $protected_headers = [], $headers = [], LoggerInterface $logger = null)
    {
        $complete_headers = array_merge($protected_headers, $headers);
        Assertion::keyExists($complete_headers, 'alg', 'No "alg" parameter set in the header');
        $signer = SignerFactory::createSigner([$complete_headers['alg']], $logger);

        $jws = self::createEmptyJWSWithDetachedPayload($payload, $encoded_payload);

        $signer->addSignatureWithDetachedPayload($jws, $signature_key, $encoded_payload, $protected_headers, $headers);

        return $jws;
    }
}