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

Failed Conditions

Pull Request — v7 (#212)

by Florent

created 2017-08-22 20:38 UTC

HeaderCheckerManager::checkHeaders() D

↳ Parent: HeaderCheckerManager

Complexity

Conditions	10
Paths	26

Size

Total Lines	34
Code Lines	24

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	34
rs	4.8196
c	0
b	0
f	0
cc	10
eloc	24
nc	26
nop	2

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\Checker;

use Jose\Component\Core\JWTInterface;
use Jose\Component\Encryption\JWE;
use Jose\Component\Signature\JWS;

/**
 * Class HeaderCheckerManager.
 */
final class HeaderCheckerManager
{
    /**
     * @var HeaderCheckerInterface[]
     */
    private $checkers = [];

    /**
     * @param HeaderCheckerInterface $checker
     */
    public function add(HeaderCheckerInterface $checker)
    {
        $this->checkers[$checker->supportedHeader()] = $checker;
    }

    /**
     * @param JWTInterface $jwt
     * @param int          $component
     */
    public function check(JWTInterface $jwt, int $component)
    {
        switch (true) {
            case $jwt instanceof JWS:
                $this->checkJWS($jwt, $component);

                break;
            case $jwt instanceof JWE:
                $this->checkJWE($jwt, $component);

                break;
            default:
                throw new \InvalidArgumentException('Unsupported argument');
        }
    }

    /**
     * @param JWS $jws
     * @param int $signature
     */
    public function checkJWS(JWS $jws, int $signature)
    {
        if ($signature > $jws->countSignatures()) {
            throw new \InvalidArgumentException('Unknown signature index.');
        }
        $protected = $jws->getSignature($signature)->getProtectedHeaders();
        $headers = $jws->getSignature($signature)->getHeaders();
        $this->checkDuplicatedHeaderParameters($protected, $headers);
        $this->checkHeaders($protected, $headers);
    }

    /**
     * @param JWE $jwe
     * @param int $recipient
     */
    public function checkJWE(JWE $jwe, int $recipient)
    {
        if ($recipient > $jwe->countRecipients()) {
            throw new \InvalidArgumentException('Unknown recipient index.');
        }
        $protected = $jwe->getSharedProtectedHeaders();
        $headers = $jwe->getSharedHeaders();
        $recipient = $jwe->getRecipient($recipient)->getHeaders();
        $this->checkDuplicatedHeaderParameters($protected, $headers);
        $this->checkDuplicatedHeaderParameters($protected, $recipient);
        $this->checkDuplicatedHeaderParameters($headers, $recipient);
        $unprotected = array_merge(
            $headers,
            $recipient
        );
        $this->checkHeaders($protected, $unprotected);
    }

    /**
     * @param array $header1
     * @param array $header2
     */
    private function checkDuplicatedHeaderParameters(array $header1, array $header2)
    {
        $inter = array_intersect_key($header1, $header2);
        if (!empty($inter)) {
            throw new \InvalidArgumentException(sprintf('The header contains duplicated entries: %s.', json_encode(array_keys($inter))));
        }
    }

    /**
     * @param array $protected
     * @param array $headers
     */
    private function checkHeaders(array $protected, array $headers)
    {
        $checkedHeaders = [];
        foreach ($this->checkers as $header => $checker) {
            if ($checker->protectedHeaderOnly()) {
                if (array_key_exists($header, $protected)) {
                    $checker->checkHeader($protected[$header]);
                    $checkedHeaders[] = $header;
                } else {
                    throw new \InvalidArgumentException(sprintf('The header "%s" must be protected.', $header));
                }
            } else {
                if (array_key_exists($header, $protected)) {
                    $checker->checkHeader($protected[$header]);
                    $checkedHeaders[] = $header;
                } elseif (array_key_exists($header, $headers)) {
                    $checker->checkHeader($headers[$header]);
                    $checkedHeaders[] = $header;
                }
            }
        }

        if (array_key_exists('crit', $protected)) {
            if (!is_array($protected['crit'])) {
                throw new \InvalidArgumentException('The header "crit" mus be a list of header parameters.');
            }
            $diff = array_diff($protected['crit'], $checkedHeaders);
            if (!empty($diff)) {
                throw new \InvalidArgumentException(sprintf('One or more headers are marked as critical, but they are missing or have not been checked: %s.', json_encode(array_values($diff))));
            }
        } elseif (array_key_exists('crit', $headers)) {
            throw new \InvalidArgumentException('The header parameter "crit" must be protected.');
        }
    }
}


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\Checker;
15
16			use Jose\Component\Core\JWTInterface;
17			use Jose\Component\Encryption\JWE;
18			use Jose\Component\Signature\JWS;
19
20			/**
21			* Class HeaderCheckerManager.
22			*/
23			final class HeaderCheckerManager
24			{
25			/**
26			* @var HeaderCheckerInterface[]
27			*/
28			private $checkers = [];
29
30			/**
31			* @param HeaderCheckerInterface $checker
32			*/
33			public function add(HeaderCheckerInterface $checker)
34			{
35			$this->checkers[$checker->supportedHeader()] = $checker;
36			}
37
38			/**
39			* @param JWTInterface $jwt
40			* @param int $component
41			*/
42			public function check(JWTInterface $jwt, int $component)
43			{
44			switch (true) {
45			case $jwt instanceof JWS:
46			$this->checkJWS($jwt, $component);
47
48			break;
49			case $jwt instanceof JWE:
50			$this->checkJWE($jwt, $component);
51
52			break;
53			default:
54			throw new \InvalidArgumentException('Unsupported argument');
55			}
56			}
57
58			/**
59			* @param JWS $jws
60			* @param int $signature
61			*/
62			public function checkJWS(JWS $jws, int $signature)
63			{
64			if ($signature > $jws->countSignatures()) {
65			throw new \InvalidArgumentException('Unknown signature index.');
66			}
67			$protected = $jws->getSignature($signature)->getProtectedHeaders();
68			$headers = $jws->getSignature($signature)->getHeaders();
69			$this->checkDuplicatedHeaderParameters($protected, $headers);
70			$this->checkHeaders($protected, $headers);
71			}
72
73			/**
74			* @param JWE $jwe
75			* @param int $recipient
76			*/
77			public function checkJWE(JWE $jwe, int $recipient)
78			{
79			if ($recipient > $jwe->countRecipients()) {
80			throw new \InvalidArgumentException('Unknown recipient index.');
81			}
82			$protected = $jwe->getSharedProtectedHeaders();
83			$headers = $jwe->getSharedHeaders();
84			$recipient = $jwe->getRecipient($recipient)->getHeaders();
85			$this->checkDuplicatedHeaderParameters($protected, $headers);
86			$this->checkDuplicatedHeaderParameters($protected, $recipient);
87			$this->checkDuplicatedHeaderParameters($headers, $recipient);
88			$unprotected = array_merge(
89			$headers,
90			$recipient
91			);
92			$this->checkHeaders($protected, $unprotected);
93			}
94
95			/**
96			* @param array $header1
97			* @param array $header2
98			*/
99			private function checkDuplicatedHeaderParameters(array $header1, array $header2)
100			{
101			$inter = array_intersect_key($header1, $header2);
102			if (!empty($inter)) {
103			throw new \InvalidArgumentException(sprintf('The header contains duplicated entries: %s.', json_encode(array_keys($inter))));
104			}
105			}
106
107			/**
108			* @param array $protected
109			* @param array $headers
110			*/
111			private function checkHeaders(array $protected, array $headers)
112			{
113			$checkedHeaders = [];
114			foreach ($this->checkers as $header => $checker) {
115			if ($checker->protectedHeaderOnly()) {
116			if (array_key_exists($header, $protected)) {
117			$checker->checkHeader($protected[$header]);
118			$checkedHeaders[] = $header;
119			} else {
120			throw new \InvalidArgumentException(sprintf('The header "%s" must be protected.', $header));
121			}
122			} else {
123			if (array_key_exists($header, $protected)) {
124			$checker->checkHeader($protected[$header]);
125			$checkedHeaders[] = $header;
126			} elseif (array_key_exists($header, $headers)) {
127			$checker->checkHeader($headers[$header]);
128			$checkedHeaders[] = $header;
129			}
130			}
131			}
132
133			if (array_key_exists('crit', $protected)) {
134			if (!is_array($protected['crit'])) {
135			throw new \InvalidArgumentException('The header "crit" mus be a list of header parameters.');
136			}
137			$diff = array_diff($protected['crit'], $checkedHeaders);
138			if (!empty($diff)) {
139			throw new \InvalidArgumentException(sprintf('One or more headers are marked as critical, but they are missing or have not been checked: %s.', json_encode(array_values($diff))));
140			}
141			} elseif (array_key_exists('crit', $headers)) {
142			throw new \InvalidArgumentException('The header parameter "crit" must be protected.');
143			}
144			}
145			}
146

Spomky-Labs / jose

Pull Request — v7 (#212)

HeaderCheckerManager::checkHeaders() D

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

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