JWKFactory::getNistName() - Code Metrics - Inspection of "Tests modified" - Spomky-Labs/jose - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — develop (8ddc4a)

by Florent

created 2016-03-15 10:12 UTC

JWKFactory::getNistName() A

↳ Parent: JWKFactory

Complexity

Conditions	4
Paths	4

Size

Total Lines	13
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	1

Metric	Value
c	1
b	1
f	1
dl	0
loc	13
rs	9.2
cc	4
eloc	10
nc	4
nop	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\KeyConverter\KeyConverter;
use Jose\Object\JWK;
use Jose\Object\JWKSet;
use Mdanter\Ecc\Curves\NistCurve;
use Mdanter\Ecc\EccFactory;
use Mdanter\Ecc\Curves\CurveFactory;

final class JWKFactory
{
    /**
     * @param string $curve
     * @param array  $additional_values
     *
     * @return \Jose\Object\JWKInterface
     */
    public static function createRandomECPrivateKey($curve, array $additional_values = [])
    {
        $curve_name = self::getNistName($curve);
        $generator = CurveFactory::getGeneratorByName($curve_name);
        $private_key = $generator->createPrivateKey();

        $values = [
            'kty' => 'EC',
            'crv' => $curve,
            'x'   => self::encodeValue($private_key->getPublicKey()->getPoint()->getX()),
            'y'   => self::encodeValue($private_key->getPublicKey()->getPoint()->getY()),
            'd'   => self::encodeValue($private_key->getSecret()),
        ];

        $values = array_merge(
            $values,
            $additional_values
        );

        return new JWK($values);

    }

    /**
     * @param string $value
     *
     * @return string
     */
    private static function encodeValue($value)
    {
        return Base64Url::encode(self::convertDecToBin($value));
    }

    /**
     * @param string $value
     *
     * @return string
     */
    private static function convertDecToBin($value)
    {
        $adapter = EccFactory::getAdapter();

        return hex2bin($adapter->decHex($value));
    }

    /**
     * @param string $curve
     *
     * @throws \InvalidArgumentException
     *
     * @return string
     */
    private static function getNistName($curve)
    {
        switch ($curve) {
            case 'P-256':
                return NistCurve::NAME_P256;
            case 'P-384':
                return NistCurve::NAME_P384;
            case 'P-521':
                return NistCurve::NAME_P521;
            default:
                throw new \InvalidArgumentException(sprintf('The curve "%s" is not supported.', $curve));
        }
    }

    /**
     * @param array $values
     *
     * @return \Jose\Object\JWKInterface|\Jose\Object\JWKSetInterface
     */
    public static function createFromValues(array $values)
    {
        if (array_key_exists('keys', $values) && is_array($values['keys'])) {
            return new JWKSet($values);
        }

        return new JWK($values);
    }

    /**
     * @param string $file
     * @param array  $additional_values
     *
     * @return \Jose\Object\JWKInterface
     */
    public static function createFromCertificateFile($file, array $additional_values = [])
    {
        $values = KeyConverter::loadKeyFromCertificateFile($file);
        $values = array_merge($values, $additional_values);

        return new JWK($values);
    }

    /**
     * @param string $certificate
     * @param array  $additional_values
     *
     * @return \Jose\Object\JWKInterface
     */
    public static function createFromCertificate($certificate, array $additional_values = [])
    {
        $values = KeyConverter::loadKeyFromCertificate($certificate);
        $values = array_merge($values, $additional_values);

        return new JWK($values);
    }

    /**
     * @param resource $res
     * @param array    $additional_values
     *
     * @return \Jose\Object\JWKInterface
     */
    public static function createFromX509Resource($res, array $additional_values = [])
    {
        $values = KeyConverter::loadKeyFromX509Resource($res);
        $values = array_merge($values, $additional_values);

        return new JWK($values);
    }

    /**
     * @param string      $file
     * @param null|string $password
     * @param array       $additional_values
     *
     * @return \Jose\Object\JWKInterface
     */
    public static function createFromKeyFile($file, $password = null, array $additional_values = [])
    {
        $values = KeyConverter::loadFromKeyFile($file, $password);
        $values = array_merge($values, $additional_values);

        return new JWK($values);
    }

    /**
     * @param string      $key
     * @param null|string $password
     * @param array       $additional_values
     *
     * @return \Jose\Object\JWKInterface
     */
    public static function createFromKey($key, $password = null, array $additional_values = [])
    {
        $values = KeyConverter::loadFromKey($key, $password);
        $values = array_merge($values, $additional_values);

        return new JWK($values);
    }

    /**
     * @param string $jku
     * @param bool   $allow_unsecured_connection
     *
     * @return \Jose\Object\JWKSetInterface
     */
    public static function createFromJKU($jku, $allow_unsecured_connection = false)
    {
        $content = self::downloadContent($jku, $allow_unsecured_connection);
        $content = json_decode($content, true);
        Assertion::isArray($content, 'Invalid content.');
        Assertion::keyExists($content, 'keys', 'Invalid content.');

        return new JWKSet($content);
    }

    /**
     * @param string $x5u
     * @param bool   $allow_unsecured_connection
     *
     * @return \Jose\Object\JWKSetInterface
     */
    public static function createFromX5U($x5u, $allow_unsecured_connection = false)
    {
        $content = self::downloadContent($x5u, $allow_unsecured_connection);
        $content = json_decode($content, true);
        Assertion::isArray($content, 'Invalid content.');

        $jwkset = new JWKSet();
        foreach ($content as $kid => $cert) {
            $jwk = KeyConverter::loadKeyFromCertificate($cert);
            Assertion::notEmpty($jwk, 'Invalid content.');
            if (is_string($kid)) {
                $jwk['kid'] = $kid;
            }
            $jwkset = $jwkset->addKey(new JWK($jwk));
        }

        return $jwkset;
    }

    /**
     * @param array $x5c
     * @param array $additional_values
     *
     * @return \Jose\Object\JWKInterface
     */
    public static function createFromX5C(array $x5c, array $additional_values = [])
    {
        $values = KeyConverter::loadFromX5C($x5c);
        $values = array_merge($values, $additional_values);

        return new JWK($values);
    }

    /**
     * @param string $url
     * @param bool   $allow_unsecured_connection
     *
     * @throws \InvalidArgumentException
     *
     * @return string
     */
    private static function downloadContent($url, $allow_unsecured_connection)
    {
        // The URL must be a valid URL and scheme must be https
        Assertion::false(
            false === filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED | FILTER_FLAG_HOST_REQUIRED),
            'Invalid URL.'
        );
        Assertion::false(
            false === $allow_unsecured_connection && 'https://' !==  substr($url, 0, 8),
            'Unsecured connection.'
        );

        $params = [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_URL            => $url,
        ];
        if (false === $allow_unsecured_connection) {
            $params[CURLOPT_SSL_VERIFYPEER] = true;
            $params[CURLOPT_SSL_VERIFYHOST] = 2;
        }

        $ch = curl_init();
        curl_setopt_array($ch, $params);
        $content = curl_exec($ch);
        curl_close($ch);

        Assertion::notEmpty($content, 'Unable to get content.');

        return $content;
    }
}


1			<?php
2
3			/*
4			* The MIT License (MIT)
5			*
6			* Copyright (c) 2014-2016 Spomky-Labs
7			*
8			* This software may be modified and distributed under the terms
9			* of the MIT license. See the LICENSE file for details.
10			*/
11
12			namespace Jose\Factory;
13
14			use Assert\Assertion;
15			use Base64Url\Base64Url;
16			use Jose\KeyConverter\KeyConverter;
17			use Jose\Object\JWK;
18			use Jose\Object\JWKSet;
19			use Mdanter\Ecc\Curves\NistCurve;
20			use Mdanter\Ecc\EccFactory;
21			use Mdanter\Ecc\Curves\CurveFactory;
22
23			final class JWKFactory
24			{
25			/**
26			* @param string $curve
27			* @param array $additional_values
28			*
29			* @return \Jose\Object\JWKInterface
30			*/
31			public static function createRandomECPrivateKey($curve, array $additional_values = [])
32			{
33			$curve_name = self::getNistName($curve);
34			$generator = CurveFactory::getGeneratorByName($curve_name);
35			$private_key = $generator->createPrivateKey();
36
37			$values = [
38			'kty' => 'EC',
39			'crv' => $curve,
40			'x' => self::encodeValue($private_key->getPublicKey()->getPoint()->getX()),
41			'y' => self::encodeValue($private_key->getPublicKey()->getPoint()->getY()),
42			'd' => self::encodeValue($private_key->getSecret()),
43			];
44
45			$values = array_merge(
46			$values,
47			$additional_values
48			);
49
50			return new JWK($values);
51
52			}
53
54			/**
55			* @param string $value
56			*
57			* @return string
58			*/
59			private static function encodeValue($value)
60			{
61			return Base64Url::encode(self::convertDecToBin($value));
62			}
63
64			/**
65			* @param string $value
66			*
67			* @return string
68			*/
69			private static function convertDecToBin($value)
70			{
71			$adapter = EccFactory::getAdapter();
72
73			return hex2bin($adapter->decHex($value));
74			}
75
76			/**
77			* @param string $curve
78			*
79			* @throws \InvalidArgumentException
80			*
81			* @return string
82			*/
83			private static function getNistName($curve)
84			{
85			switch ($curve) {
86			case 'P-256':
87			return NistCurve::NAME_P256;
88			case 'P-384':
89			return NistCurve::NAME_P384;
90			case 'P-521':
91			return NistCurve::NAME_P521;
92			default:
93			throw new \InvalidArgumentException(sprintf('The curve "%s" is not supported.', $curve));
94			}
95			}
96
97			/**
98			* @param array $values
99			*
100			* @return \Jose\Object\JWKInterface\|\Jose\Object\JWKSetInterface
101			*/
102			public static function createFromValues(array $values)
103			{
104			if (array_key_exists('keys', $values) && is_array($values['keys'])) {
105			return new JWKSet($values);
106			}
107
108			return new JWK($values);
109			}
110
111			/**
112			* @param string $file
113			* @param array $additional_values
114			*
115			* @return \Jose\Object\JWKInterface
116			*/
117			public static function createFromCertificateFile($file, array $additional_values = [])
118			{
119			$values = KeyConverter::loadKeyFromCertificateFile($file);
120			$values = array_merge($values, $additional_values);
121
122			return new JWK($values);
123			}
124
125			/**
126			* @param string $certificate
127			* @param array $additional_values
128			*
129			* @return \Jose\Object\JWKInterface
130			*/
131			public static function createFromCertificate($certificate, array $additional_values = [])
132			{
133			$values = KeyConverter::loadKeyFromCertificate($certificate);
134			$values = array_merge($values, $additional_values);
135
136			return new JWK($values);
137			}
138
139			/**
140			* @param resource $res
141			* @param array $additional_values
142			*
143			* @return \Jose\Object\JWKInterface
144			*/
145			public static function createFromX509Resource($res, array $additional_values = [])
146			{
147			$values = KeyConverter::loadKeyFromX509Resource($res);
148			$values = array_merge($values, $additional_values);
149
150			return new JWK($values);
151			}
152
153			/**
154			* @param string $file
155			* @param null\|string $password
156			* @param array $additional_values
157			*
158			* @return \Jose\Object\JWKInterface
159			*/
160			public static function createFromKeyFile($file, $password = null, array $additional_values = [])
161			{
162			$values = KeyConverter::loadFromKeyFile($file, $password);
163			$values = array_merge($values, $additional_values);
164
165			return new JWK($values);
166			}
167
168			/**
169			* @param string $key
170			* @param null\|string $password
171			* @param array $additional_values
172			*
173			* @return \Jose\Object\JWKInterface
174			*/
175			public static function createFromKey($key, $password = null, array $additional_values = [])
176			{
177			$values = KeyConverter::loadFromKey($key, $password);
178			$values = array_merge($values, $additional_values);
179
180			return new JWK($values);
181			}
182
183			/**
184			* @param string $jku
185			* @param bool $allow_unsecured_connection
186			*
187			* @return \Jose\Object\JWKSetInterface
188			*/
189			public static function createFromJKU($jku, $allow_unsecured_connection = false)
190			{
191			$content = self::downloadContent($jku, $allow_unsecured_connection);
192			$content = json_decode($content, true);
193			Assertion::isArray($content, 'Invalid content.');
194			Assertion::keyExists($content, 'keys', 'Invalid content.');
195
196			return new JWKSet($content);
197			}
198
199			/**
200			* @param string $x5u
201			* @param bool $allow_unsecured_connection
202			*
203			* @return \Jose\Object\JWKSetInterface
204			*/
205			public static function createFromX5U($x5u, $allow_unsecured_connection = false)
206			{
207			$content = self::downloadContent($x5u, $allow_unsecured_connection);
208			$content = json_decode($content, true);
209			Assertion::isArray($content, 'Invalid content.');
210
211			$jwkset = new JWKSet();
212			foreach ($content as $kid => $cert) {
213			$jwk = KeyConverter::loadKeyFromCertificate($cert);
214			Assertion::notEmpty($jwk, 'Invalid content.');
215			if (is_string($kid)) {
216			$jwk['kid'] = $kid;
217			}
218			$jwkset = $jwkset->addKey(new JWK($jwk));
219			}
220
221			return $jwkset;
222			}
223
224			/**
225			* @param array $x5c
226			* @param array $additional_values
227			*
228			* @return \Jose\Object\JWKInterface
229			*/
230			public static function createFromX5C(array $x5c, array $additional_values = [])
231			{
232			$values = KeyConverter::loadFromX5C($x5c);
233			$values = array_merge($values, $additional_values);
234
235			return new JWK($values);
236			}
237
238			/**
239			* @param string $url
240			* @param bool $allow_unsecured_connection
241			*
242			* @throws \InvalidArgumentException
243			*
244			* @return string
245			*/
246			private static function downloadContent($url, $allow_unsecured_connection)
247			{
248			// The URL must be a valid URL and scheme must be https
249			Assertion::false(
250			false === filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED \| FILTER_FLAG_HOST_REQUIRED),
251			'Invalid URL.'
252			);
253			Assertion::false(
254			false === $allow_unsecured_connection && 'https://' !== substr($url, 0, 8),
255			'Unsecured connection.'
256			);
257
258			$params = [
259			CURLOPT_RETURNTRANSFER => true,
260			CURLOPT_URL => $url,
261			];
262			if (false === $allow_unsecured_connection) {
263			$params[CURLOPT_SSL_VERIFYPEER] = true;
264			$params[CURLOPT_SSL_VERIFYHOST] = 2;
265			}
266
267			$ch = curl_init();
268			curl_setopt_array($ch, $params);
269			$content = curl_exec($ch);
270			curl_close($ch);
271
272			Assertion::notEmpty($content, 'Unable to get content.');
273
274			return $content;
275			}
276			}
277

Spomky-Labs / jose

Branch — develop (8ddc4a)

JWKFactory::getNistName() A

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