Loader::fromFlattenedSerializationRecipientToSerialization() - Code Metrics - Inspection of "Code optimization" - Spomky-Labs/jose - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — v2.0.x ( 1446f5...5740fb )

by Florent

created 2016-01-28 20:48 UTC

fromFlattenedSerializationRecipientToSerialization() B

↳ Parent: Loader

Complexity

Conditions	5
Paths	9

Size

Total Lines	20
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	20
rs	8.8571
cc	5
eloc	12
nc	9
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;

use Base64Url\Base64Url;
use Jose\Object\JWE;
use Jose\Object\JWEInterface;
use Jose\Object\JWS;
use Jose\Object\Recipient;
use Jose\Object\RecipientInterface;
use Jose\Object\Signature;

/**
 * Class able to load JWS or JWE.
 * JWS object can also be verified.
 */
final class Loader implements LoaderInterface
{
    /**
     * Loader constructor.
     */
    private function __construct()
    {
    }

    /**
     * {@inheritdoc}
     */
    public static function load($input)
    {
        $json = self::convert($input);
        if (array_key_exists('signatures', $json)) {
            return self::loadSerializedJsonJWS($json);
        }
        if (array_key_exists('recipients', $json)) {
            return self::loadSerializedJsonJWE($json);
        }
        throw new \InvalidArgumentException('Unable to load the input');
    }

    /**
     * @param array $data
     *
     * @return \Jose\Object\JWSInterface
     */
    private static function loadSerializedJsonJWS(array $data)
    {
        $jws = new JWS();
        if (array_key_exists('payload', $data)) {
            $payload = Base64Url::decode($data['payload']);
            $json = json_decode($payload, true);
            if (null !== $json && !empty($payload)) {
                $payload = $json;
            }
            $jws = $jws->withPayload($payload);
        }

        foreach ($data['signatures'] as $signature) {
            $object = new Signature();
            $object = $object->withSignature(Base64Url::decode($signature['signature']));
            if (array_key_exists('protected', $signature)) {
                $object = $object->withEncodedProtectedHeaders($signature['protected']);
            }
            if (array_key_exists('header', $signature)) {
                $object = $object->withHeaders($signature['header']);
            }

            $jws = $jws->addSignature($object);
        }

        return $jws;
    }

    /**
     * @param array $data
     *
     * @return \Jose\Object\JWEInterface
     */
    private static function loadSerializedJsonJWE(array $data)
    {
        $jwe = new JWE();
        $jwe = $jwe->withCiphertext(Base64Url::decode($data['ciphertext']));

        self::populateIV($jwe, $data);
        self::populateAAD($jwe, $data);
        self::populateTag($jwe, $data);
        self::populateSharedProtectedHeaders($jwe, $data);
        self::populateSharedHeaders($jwe, $data);

        foreach ($data['recipients'] as $recipient) {
            $object = new Recipient();
            self::populateRecipientHeaders($object, $recipient);
            self::populateRecipientEncryptedKey($object, $recipient);

            $jwe = $jwe->addRecipient($object);
        }

        return $jwe;
    }

    /**
     * @param \Jose\Object\JWEInterface $jwe
     * @param array                     $data
     */
    private static function populateIV(JWEInterface &$jwe, array $data)
    {
        if (array_key_exists('iv', $data)) {
            $jwe = $jwe->withIV(Base64Url::decode($data['iv']));
        }
    }

    /**
     * @param \Jose\Object\JWEInterface $jwe
     * @param array                     $data
     */
    private static function populateAAD(JWEInterface &$jwe, array $data)
    {
        if (array_key_exists('aad', $data)) {
            $jwe = $jwe->withAAD(Base64Url::decode($data['aad']));
        }
    }

    /**
     * @param \Jose\Object\JWEInterface $jwe
     * @param array                     $data
     */
    private static function populateTag(JWEInterface &$jwe, array $data)
    {
        if (array_key_exists('tag', $data)) {
            $jwe = $jwe->withTag(Base64Url::decode($data['tag']));
        }
    }

    /**
     * @param \Jose\Object\JWEInterface $jwe
     * @param array                     $data
     */
    private static function populateSharedProtectedHeaders(JWEInterface &$jwe, array $data)
    {
        if (array_key_exists('protected', $data)) {
            $jwe = $jwe->withEncodedSharedProtectedHeaders($data['protected']);
            $jwe = $jwe->withSharedProtectedHeaders(json_decode(Base64Url::decode($data['protected']), true));
        }
    }

    /**
     * @param \Jose\Object\JWEInterface $jwe
     * @param array                     $data
     */
    private static function populateSharedHeaders(JWEInterface &$jwe, array $data)
    {
        if (array_key_exists('unprotected', $data)) {
            $jwe = $jwe->withSharedHeaders($data['unprotected']);
        }
    }

    /**
     * @param \Jose\Object\RecipientInterface $recipient
     * @param array                           $data
     */
    private static function populateRecipientHeaders(RecipientInterface &$recipient, array $data)
    {
        if (array_key_exists('header', $data)) {
            $recipient = $recipient->withHeaders($data['header']);
        }
    }

    /**
     * @param \Jose\Object\RecipientInterface $recipient
     * @param array                           $data
     */
    private static function populateRecipientEncryptedKey(RecipientInterface &$recipient, array $data)
    {
        if (array_key_exists('encrypted_key', $data)) {
            $recipient = $recipient->withEncryptedKey(Base64Url::decode($data['encrypted_key']));
        }
    }

    /**
     * @param string $input
     *
     * @return array
     */
    private static function convert($input)
    {
        if (is_array($data = json_decode($input, true))) {
            if (array_key_exists('signatures', $data) || array_key_exists('recipients', $data)) {
                return $data;
            } elseif (array_key_exists('signature', $data)) {
                return self::fromFlattenedSerializationSignatureToSerialization($data);
            } elseif (array_key_exists('ciphertext', $data)) {
                return self::fromFlattenedSerializationRecipientToSerialization($data);
            }
        } elseif (is_string($input)) {
            return self::fromCompactSerializationToSerialization($input);
        }
        throw new \InvalidArgumentException('Unsupported input');
    }

    /**
     * @param $input
     *
     * @return array
     */
    private static function fromFlattenedSerializationRecipientToSerialization($input)
    {
        $recipient = [];
        foreach (['header', 'encrypted_key'] as $key) {
            if (array_key_exists($key, $input)) {
                $recipient[$key] = $input[$key];
            }
        }
        $recipients = [
            'ciphertext' => $input['ciphertext'],
            'recipients' => [$recipient],
        ];
        foreach (['ciphertext', 'protected', 'unprotected', 'iv', 'aad', 'tag'] as $key) {
            if (array_key_exists($key, $input)) {
                $recipients[$key] = $input[$key];
            }
        }

        return $recipients;
    }

    /**
     * @param $input
     *
     * @return array
     */
    private static function fromFlattenedSerializationSignatureToSerialization($input)
    {
        $signature = [
            'signature' => $input['signature'],
        ];
        foreach (['protected', 'header'] as $key) {
            if (array_key_exists($key, $input)) {
                $signature[$key] = $input[$key];
            }
        }

        $temp = [];
        if (!empty($input['payload'])) {
            $temp['payload'] = $input['payload'];
        }
        $temp['signatures'] = [$signature];

        return $temp;
    }

    /**
     * @param string $input
     *
     * @return array
     */
    private static function fromCompactSerializationToSerialization($input)
    {
        $parts = explode('.', $input);
        switch (count($parts)) {
            case 3:
                return self::fromCompactSerializationSignatureToSerialization($parts);
            case 5:
                return self::fromCompactSerializationRecipientToSerialization($parts);
            default:
                throw new \InvalidArgumentException('Unsupported input');
        }
    }

    /**
     * @param array $parts
     *
     * @return array
     */
    private static function fromCompactSerializationRecipientToSerialization(array $parts)
    {
        $recipient = [];
        if (!empty($parts[1])) {
            $recipient['encrypted_key'] = $parts[1];
        }

        $recipients = [
            'recipients' => [$recipient],
        ];
        foreach ([3 => 'ciphertext', 0 => 'protected', 2 => 'iv', 4 => 'tag'] as $part => $key) {
            if (!empty($parts[$part])) {
                $recipients[$key] = $parts[$part];
            }
        }

        return $recipients;
    }

    /**
     * @param array $parts
     *
     * @return array
     */
    private static function fromCompactSerializationSignatureToSerialization(array $parts)
    {
        $temp = [];

        if (!empty($parts[1])) {
            $temp['payload'] = $parts[1];
        }
        $temp['signatures'] = [[
            'protected' => $parts[0],
            'signature' => $parts[2],
        ]];

        return $temp;
    }
}


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;
13
14			use Base64Url\Base64Url;
15			use Jose\Object\JWE;
16			use Jose\Object\JWEInterface;
17			use Jose\Object\JWS;
18			use Jose\Object\Recipient;
19			use Jose\Object\RecipientInterface;
20			use Jose\Object\Signature;
21
22			/**
23			* Class able to load JWS or JWE.
24			* JWS object can also be verified.
25			*/
26			final class Loader implements LoaderInterface
27			{
28			/**
29			* Loader constructor.
30			*/
31			private function __construct()
32			{
33			}
34
35			/**
36			* {@inheritdoc}
37			*/
38			public static function load($input)
39			{
40			$json = self::convert($input);
41			if (array_key_exists('signatures', $json)) {
42			return self::loadSerializedJsonJWS($json);
43			}
44			if (array_key_exists('recipients', $json)) {
45			return self::loadSerializedJsonJWE($json);
46			}
47			throw new \InvalidArgumentException('Unable to load the input');
48			}
49
50			/**
51			* @param array $data
52			*
53			* @return \Jose\Object\JWSInterface
54			*/
55			private static function loadSerializedJsonJWS(array $data)
56			{
57			$jws = new JWS();
58			if (array_key_exists('payload', $data)) {
59			$payload = Base64Url::decode($data['payload']);
60			$json = json_decode($payload, true);
61			if (null !== $json && !empty($payload)) {
62			$payload = $json;
63			}
64			$jws = $jws->withPayload($payload);
65			}
66
67			foreach ($data['signatures'] as $signature) {
68			$object = new Signature();
69			$object = $object->withSignature(Base64Url::decode($signature['signature']));
70			if (array_key_exists('protected', $signature)) {
71			$object = $object->withEncodedProtectedHeaders($signature['protected']);
72			}
73			if (array_key_exists('header', $signature)) {
74			$object = $object->withHeaders($signature['header']);
75			}
76
77			$jws = $jws->addSignature($object);
78			}
79
80			return $jws;
81			}
82
83			/**
84			* @param array $data
85			*
86			* @return \Jose\Object\JWEInterface
87			*/
88			private static function loadSerializedJsonJWE(array $data)
89			{
90			$jwe = new JWE();
91			$jwe = $jwe->withCiphertext(Base64Url::decode($data['ciphertext']));
92
93			self::populateIV($jwe, $data);
94			self::populateAAD($jwe, $data);
95			self::populateTag($jwe, $data);
96			self::populateSharedProtectedHeaders($jwe, $data);
97			self::populateSharedHeaders($jwe, $data);
98
99			foreach ($data['recipients'] as $recipient) {
100			$object = new Recipient();
101			self::populateRecipientHeaders($object, $recipient);
102			self::populateRecipientEncryptedKey($object, $recipient);
103
104			$jwe = $jwe->addRecipient($object);
105			}
106
107			return $jwe;
108			}
109
110			/**
111			* @param \Jose\Object\JWEInterface $jwe
112			* @param array $data
113			*/
114			private static function populateIV(JWEInterface &$jwe, array $data)
115			{
116			if (array_key_exists('iv', $data)) {
117			$jwe = $jwe->withIV(Base64Url::decode($data['iv']));
118			}
119			}
120
121			/**
122			* @param \Jose\Object\JWEInterface $jwe
123			* @param array $data
124			*/
125			private static function populateAAD(JWEInterface &$jwe, array $data)
126			{
127			if (array_key_exists('aad', $data)) {
128			$jwe = $jwe->withAAD(Base64Url::decode($data['aad']));
129			}
130			}
131
132			/**
133			* @param \Jose\Object\JWEInterface $jwe
134			* @param array $data
135			*/
136			private static function populateTag(JWEInterface &$jwe, array $data)
137			{
138			if (array_key_exists('tag', $data)) {
139			$jwe = $jwe->withTag(Base64Url::decode($data['tag']));
140			}
141			}
142
143			/**
144			* @param \Jose\Object\JWEInterface $jwe
145			* @param array $data
146			*/
147			private static function populateSharedProtectedHeaders(JWEInterface &$jwe, array $data)
148			{
149			if (array_key_exists('protected', $data)) {
150			$jwe = $jwe->withEncodedSharedProtectedHeaders($data['protected']);
151			$jwe = $jwe->withSharedProtectedHeaders(json_decode(Base64Url::decode($data['protected']), true));
152			}
153			}
154
155			/**
156			* @param \Jose\Object\JWEInterface $jwe
157			* @param array $data
158			*/
159			private static function populateSharedHeaders(JWEInterface &$jwe, array $data)
160			{
161			if (array_key_exists('unprotected', $data)) {
162			$jwe = $jwe->withSharedHeaders($data['unprotected']);
163			}
164			}
165
166			/**
167			* @param \Jose\Object\RecipientInterface $recipient
168			* @param array $data
169			*/
170			private static function populateRecipientHeaders(RecipientInterface &$recipient, array $data)
171			{
172			if (array_key_exists('header', $data)) {
173			$recipient = $recipient->withHeaders($data['header']);
174			}
175			}
176
177			/**
178			* @param \Jose\Object\RecipientInterface $recipient
179			* @param array $data
180			*/
181			private static function populateRecipientEncryptedKey(RecipientInterface &$recipient, array $data)
182			{
183			if (array_key_exists('encrypted_key', $data)) {
184			$recipient = $recipient->withEncryptedKey(Base64Url::decode($data['encrypted_key']));
185			}
186			}
187
188			/**
189			* @param string $input
190			*
191			* @return array
192			*/
193			private static function convert($input)
194			{
195			if (is_array($data = json_decode($input, true))) {
196			if (array_key_exists('signatures', $data) \|\| array_key_exists('recipients', $data)) {
197			return $data;
198			} elseif (array_key_exists('signature', $data)) {
199			return self::fromFlattenedSerializationSignatureToSerialization($data);
200			} elseif (array_key_exists('ciphertext', $data)) {
201			return self::fromFlattenedSerializationRecipientToSerialization($data);
202			}
203			} elseif (is_string($input)) {
204			return self::fromCompactSerializationToSerialization($input);
205			}
206			throw new \InvalidArgumentException('Unsupported input');
207			}
208
209			/**
210			* @param $input
211			*
212			* @return array
213			*/
214			private static function fromFlattenedSerializationRecipientToSerialization($input)
215			{
216			$recipient = [];
217			foreach (['header', 'encrypted_key'] as $key) {
218			if (array_key_exists($key, $input)) {
219			$recipient[$key] = $input[$key];
220			}
221			}
222			$recipients = [
223			'ciphertext' => $input['ciphertext'],
224			'recipients' => [$recipient],
225			];
226			foreach (['ciphertext', 'protected', 'unprotected', 'iv', 'aad', 'tag'] as $key) {
227			if (array_key_exists($key, $input)) {
228			$recipients[$key] = $input[$key];
229			}
230			}
231
232			return $recipients;
233			}
234
235			/**
236			* @param $input
237			*
238			* @return array
239			*/
240			private static function fromFlattenedSerializationSignatureToSerialization($input)
241			{
242			$signature = [
243			'signature' => $input['signature'],
244			];
245			foreach (['protected', 'header'] as $key) {
246			if (array_key_exists($key, $input)) {
247			$signature[$key] = $input[$key];
248			}
249			}
250
251			$temp = [];
252			if (!empty($input['payload'])) {
253			$temp['payload'] = $input['payload'];
254			}
255			$temp['signatures'] = [$signature];
256
257			return $temp;
258			}
259
260			/**
261			* @param string $input
262			*
263			* @return array
264			*/
265			private static function fromCompactSerializationToSerialization($input)
266			{
267			$parts = explode('.', $input);
268			switch (count($parts)) {
269			case 3:
270			return self::fromCompactSerializationSignatureToSerialization($parts);
271			case 5:
272			return self::fromCompactSerializationRecipientToSerialization($parts);
273			default:
274			throw new \InvalidArgumentException('Unsupported input');
275			}
276			}
277
278			/**
279			* @param array $parts
280			*
281			* @return array
282			*/
283			private static function fromCompactSerializationRecipientToSerialization(array $parts)
284			{
285			$recipient = [];
286			if (!empty($parts[1])) {
287			$recipient['encrypted_key'] = $parts[1];
288			}
289
290			$recipients = [
291			'recipients' => [$recipient],
292			];
293			foreach ([3 => 'ciphertext', 0 => 'protected', 2 => 'iv', 4 => 'tag'] as $part => $key) {
294			if (!empty($parts[$part])) {
295			$recipients[$key] = $parts[$part];
296			}
297			}
298
299			return $recipients;
300			}
301
302			/**
303			* @param array $parts
304			*
305			* @return array
306			*/
307			private static function fromCompactSerializationSignatureToSerialization(array $parts)
308			{
309			$temp = [];
310
311			if (!empty($parts[1])) {
312			$temp['payload'] = $parts[1];
313			}
314			$temp['signatures'] = [[
315			'protected' => $parts[0],
316			'signature' => $parts[2],
317			]];
318
319			return $temp;
320			}
321			}
322

Spomky-Labs / jose

Push — v2.0.x ( 1446f5...5740fb )

fromFlattenedSerializationRecipientToSerialization() B

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