JSONGeneralSerializer::unserialize() - Code Metrics - Inspection of "Apply fixes from StyleCI" - Spomky-Labs/jose - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — v7 (#287)

by Florent

created 2017-10-02 19:32 UTC

JSONGeneralSerializer::unserialize() F

↳ Parent: JSONGeneralSerializer

Complexity

Conditions	15
Paths	239

Size

Total Lines	47
Code Lines	33

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	47
rs	3.9217
c	0
b	0
f	0
cc	15
eloc	33
nc	239
nop	1

How to fix Complexity

<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2017 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace Jose\Component\Signature\Serializer;

use Base64Url\Base64Url;
use Jose\Component\Signature\JWS;

/**
 * Class JSONGeneralSerializer.
 */
final class JSONGeneralSerializer extends AbstractSerializer
{
    public const NAME = 'jws_json_general';

    /**
     * {@inheritdoc}
     */
    public function name(): string
    {
        return self::NAME;
    }

    /**
     * {@inheritdoc}
     */
    public function serialize(JWS $jws, ?int $signatureIndex = null): string
    {
        if (0 === $jws->countSignatures()) {
            throw new \LogicException('No signature.');
        }

        $data = [];
        $this->checkPayloadEncoding($jws);

        if (false === $jws->isPayloadDetached()) {
            $data['payload'] = $jws->getEncodedPayload();
        }

        $data['signatures'] = [];
        foreach ($jws->getSignatures() as $signature) {
            $tmp = ['signature' => Base64Url::encode($signature->getSignature())];
            $values = [
                'protected' => $signature->getEncodedProtectedHeaders(),
                'header' => $signature->getHeaders(),
            ];

            foreach ($values as $key => $value) {
                if (!empty($value)) {
                    $tmp[$key] = $value;
                }
            }
            $data['signatures'][] = $tmp;
        }

        return json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
    }

    /**
     * {@inheritdoc}
     */
    public function unserialize(string $input): JWS
    {
        $data = json_decode($input, true);
        if (!is_array($data) || !array_key_exists('signatures', $data)) {
            throw new \InvalidArgumentException('Unsupported input.');
        }

        $isPayloadEncoded = null;
        $rawPayload = array_key_exists('payload', $data) ? $data['payload'] : null;
        $signatures = [];
        foreach ($data['signatures'] as $signature) {
            if (!is_array($signature) || !array_key_exists('signature', $signature)) {
                throw new \InvalidArgumentException('Unsupported input.');
            }
            $encodedProtectedHeaders = array_key_exists('protected', $signature) ? $signature['protected'] : null;
            $protectedHeaders = null !== $encodedProtectedHeaders ? json_decode(Base64Url::decode($encodedProtectedHeaders), true) : [];
            $signatures[] = [
                'signature' => Base64Url::decode($signature['signature']),
                'protected' => $protectedHeaders,
                'encoded_protected' => $encodedProtectedHeaders,
                'header' => array_key_exists('header', $signature) ? $signature['header'] : [],
            ];
            if (null === $isPayloadEncoded) {
                $isPayloadEncoded = self::isPayloadEncoded($protectedHeaders);
            }
            if ($this->isPayloadEncoded($protectedHeaders) !== $isPayloadEncoded) {
                throw new \InvalidArgumentException('Foreign payload encoding detected.');
            }
        }

        if (null === $rawPayload) {
            $payload = null;
        } else {
            $payload = false === $isPayloadEncoded ? $rawPayload : Base64Url::decode($rawPayload);
        }
        $jws = JWS::create($payload, $rawPayload);
        foreach ($signatures as $signature) {
            $jws = $jws->addSignature(
                $signature['signature'],
                $signature['protected'],
                $signature['encoded_protected'],
                $signature['header']
            );
        }

        return $jws;
    }

    /**
     * @param JWS $jws
     */
    private function checkPayloadEncoding(JWS $jws)
    {
        if ($jws->isPayloadDetached()) {
            return;
        }
        $is_encoded = null;
        foreach ($jws->getSignatures() as $signature) {
            if (null === $is_encoded) {
                $is_encoded = $this->isPayloadEncoded($signature->getProtectedHeaders());
            }
            if (false === $jws->isPayloadDetached()) {
                if ($is_encoded !== $this->isPayloadEncoded($signature->getProtectedHeaders())) {
                    throw new \LogicException('Foreign payload encoding detected.');
                }
            }
        }
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			/*
6			* The MIT License (MIT)
7			*
8			* Copyright (c) 2014-2017 Spomky-Labs
9			*
10			* This software may be modified and distributed under the terms
11			* of the MIT license. See the LICENSE file for details.
12			*/
13
14			namespace Jose\Component\Signature\Serializer;
15
16			use Base64Url\Base64Url;
17			use Jose\Component\Signature\JWS;
18
19			/**
20			* Class JSONGeneralSerializer.
21			*/
22			final class JSONGeneralSerializer extends AbstractSerializer
23			{
24			public const NAME = 'jws_json_general';
25
26			/**
27			* {@inheritdoc}
28			*/
29			public function name(): string
30			{
31			return self::NAME;
32			}
33
34			/**
35			* {@inheritdoc}
36			*/
37			public function serialize(JWS $jws, ?int $signatureIndex = null): string
38			{
39			if (0 === $jws->countSignatures()) {
40			throw new \LogicException('No signature.');
41			}
42
43			$data = [];
44			$this->checkPayloadEncoding($jws);
45
46			if (false === $jws->isPayloadDetached()) {
47			$data['payload'] = $jws->getEncodedPayload();
48			}
49
50			$data['signatures'] = [];
51			foreach ($jws->getSignatures() as $signature) {
52			$tmp = ['signature' => Base64Url::encode($signature->getSignature())];
53			$values = [
54			'protected' => $signature->getEncodedProtectedHeaders(),
55			'header' => $signature->getHeaders(),
56			];
57
58			foreach ($values as $key => $value) {
59			if (!empty($value)) {
60			$tmp[$key] = $value;
61			}
62			}
63			$data['signatures'][] = $tmp;
64			}
65
66			return json_encode($data, JSON_UNESCAPED_SLASHES \| JSON_UNESCAPED_UNICODE);
67			}
68
69			/**
70			* {@inheritdoc}
71			*/
72			public function unserialize(string $input): JWS
73			{
74			$data = json_decode($input, true);
75			if (!is_array($data) \|\| !array_key_exists('signatures', $data)) {
76			throw new \InvalidArgumentException('Unsupported input.');
77			}
78
79			$isPayloadEncoded = null;
80			$rawPayload = array_key_exists('payload', $data) ? $data['payload'] : null;
81			$signatures = [];
82			foreach ($data['signatures'] as $signature) {
83			if (!is_array($signature) \|\| !array_key_exists('signature', $signature)) {
84			throw new \InvalidArgumentException('Unsupported input.');
85			}
86			$encodedProtectedHeaders = array_key_exists('protected', $signature) ? $signature['protected'] : null;
87			$protectedHeaders = null !== $encodedProtectedHeaders ? json_decode(Base64Url::decode($encodedProtectedHeaders), true) : [];
88			$signatures[] = [
89			'signature' => Base64Url::decode($signature['signature']),
90			'protected' => $protectedHeaders,
91			'encoded_protected' => $encodedProtectedHeaders,
92			'header' => array_key_exists('header', $signature) ? $signature['header'] : [],
93			];
94			if (null === $isPayloadEncoded) {
95			$isPayloadEncoded = self::isPayloadEncoded($protectedHeaders);
96			}
97			if ($this->isPayloadEncoded($protectedHeaders) !== $isPayloadEncoded) {
98			throw new \InvalidArgumentException('Foreign payload encoding detected.');
99			}
100			}
101
102			if (null === $rawPayload) {
103			$payload = null;
104			} else {
105			$payload = false === $isPayloadEncoded ? $rawPayload : Base64Url::decode($rawPayload);
106			}
107			$jws = JWS::create($payload, $rawPayload);
108			foreach ($signatures as $signature) {
109			$jws = $jws->addSignature(
110			$signature['signature'],
111			$signature['protected'],
112			$signature['encoded_protected'],
113			$signature['header']
114			);
115			}
116
117			return $jws;
118			}
119
120			/**
121			* @param JWS $jws
122			*/
123			private function checkPayloadEncoding(JWS $jws)
124			{
125			if ($jws->isPayloadDetached()) {
126			return;
127			}
128			$is_encoded = null;
129			foreach ($jws->getSignatures() as $signature) {
130			if (null === $is_encoded) {
131			$is_encoded = $this->isPayloadEncoded($signature->getProtectedHeaders());
132			}
133			if (false === $jws->isPayloadDetached()) {
134			if ($is_encoded !== $this->isPayloadEncoded($signature->getProtectedHeaders())) {
135			throw new \LogicException('Foreign payload encoding detected.');
136			}
137			}
138			}
139			}
140			}
141

Spomky-Labs / jose

Pull Request — v7 (#287)

JSONGeneralSerializer::unserialize() F

Complexity

Size

Duplication

Importance

How to fix Complexity

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