JWE::__construct() - Code Metrics - Inspection of "WIP" - Spomky-Labs/jose - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Push — v7 ( 5d1eb6...6055df )

by Florent

created 2017-07-26 12:34 UTC

JWE::__construct() A

↳ Parent: JWE

Complexity

Conditions	1
Paths	1

Size

Total Lines	12
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	12
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	10
nc	1
nop	9

How to fix Many Parameters

<?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\Encryption;

use Assert\Assertion;
use Base64Url\Base64Url;
use Jose\Component\Core\JWK;
use Jose\Component\Core\JWTInterface;

/**
 * Class JWE.
 */
final class JWE implements JWTInterface
{
    /**
     * @var Recipient[]
     */
    private $recipients = [];

    /**
     * @var string|null
     */
    private $ciphertext = null;

    /**
     * @var string|null
     */
    private $iv = null;

    /**
     * @var string|null
     */
    private $aad = null;

    /**
     * @var string|null
     */
    private $tag = null;

    /**
     * @var array
     */
    private $shared_headers = [];

    /**
     * @var array
     */
    private $shared_protected_headers = [];

    /**
     * @var string|null
     */
    private $encoded_shared_protected_headers = null;

    /**
     * @var mixed|null
     */
    private $payload = null;

    /**
     * JWE constructor.
     * @param null|string $ciphertext
     * @param null|string $iv
     * @param null|string $aad
     * @param null|string $tag
     * @param array $shared_headers
     * @param array $shared_protected_headers
     * @param null|string $encoded_shared_protected_headers
     * @param mixed|null $payload
     * @param array $recipients
     */
    private function __construct(?string $ciphertext = null, ?string $iv = null, ?string $aad = null, ?string $tag = null, array $shared_headers = [], array $shared_protected_headers = [], ?string $encoded_shared_protected_headers = null,  $payload = null, array $recipients = [])
    {
        $this->ciphertext = $ciphertext;
        $this->iv = $iv;
        $this->aad = $aad;
        $this->tag = $tag;
        $this->shared_headers = $shared_headers;
        $this->shared_protected_headers = $shared_protected_headers;
        $this->encoded_shared_protected_headers = $encoded_shared_protected_headers;
        $this->payload = $payload;
        $this->recipients = $recipients;
    }

    /**
     * @return JWE
     */
    public static function createEmpty(): JWE
    {
        return new self();
    }

    /**
     * @param $payload
     * @param array $shared_protected_headers
     * @param null|string $aad
     * @param array $shared_headers
     *
     * @return JWE
     */
    public static function create($payload, array $shared_protected_headers = [], array $shared_headers = [], ?string $aad = null): JWE
    {
        return new self(null, null, $aad, null, $shared_headers, $shared_protected_headers, null, $payload);
    }

    /**
     * @param null|string $ciphertext
     * @param null|string $iv
     * @param null|string $aad
     * @param null|string $tag
     * @param array $shared_headers
     * @param array $shared_protected_headers
     * @param null|string $encoded_shared_protected_headers
     * @param array $recipients
     *
     * @return JWE
     */
    public static function createFromLoadedData(?string $ciphertext = null, ?string $iv = null, ?string $aad = null, ?string $tag = null, array $shared_headers = [], array $shared_protected_headers = [], ?string $encoded_shared_protected_headers = null,  array $recipients = []): JWE
    {
        return new self($ciphertext, $iv, $aad, $tag, $shared_headers, $shared_protected_headers, $encoded_shared_protected_headers, null, $recipients);
    }

    /**
     * {@inheritdoc}
     */
    public function getPayload()
    {
        return $this->payload;
    }

    /**
     * @param mixed $payload
     *
     * @return JWE
     */
    public function withPayload($payload): JWE
    {
        $jwt = clone $this;
        $jwt->payload = $payload;

        return $jwt;
    }

    /**
     * {@inheritdoc}
     */
    public function getClaim(string $key)
    {
        if ($this->hasClaim($key)) {
            return $this->payload[$key];
        }
        throw new \InvalidArgumentException(sprintf('The payload does not contain claim "%s".', $key));
    }

    /**
     * {@inheritdoc}
     */
    public function getClaims(): array
    {
        if (!$this->hasClaims()) {
            throw new \InvalidArgumentException('The payload does not contain claims.');
        }

        return $this->payload;
    }

    /**
     * {@inheritdoc}
     */
    public function hasClaim(string $key): bool
    {
        return $this->hasClaims() && array_key_exists($key, $this->payload);
    }

    /**
     * {@inheritdoc}
     */
    public function hasClaims(): bool
    {
        return is_array($this->payload);
    }

    /**
     * Returns the number of recipients associated with the JWS.
     *
     * @return int
     */
    public function countRecipients(): int
    {
        return count($this->recipients);
    }

    /**
     * @return bool
     */
    public function isEncrypted(): bool
    {
        return null !== $this->getCiphertext();
    }

    /**
     * @param JWK   $recipient_key
     * @param array $recipient_headers
     *
     * @return JWE
     */
    public function addRecipientInformation(JWK $recipient_key, array $recipient_headers = []): JWE
    {
        Assertion::true(null === $this->getCiphertext(), 'The JWE is encrypted. No additional recipient allowed.');
        $jwe = clone $this;
        $jwe->recipients[] = Recipient::createRecipient($recipient_key, $recipient_headers);

        return $jwe;
    }

    /**
     * @param string|null $encrypted_key
     * @param array       $recipient_headers
     *
     * @return JWE
     */
    public function addRecipientWithEncryptedKey(?string $encrypted_key, array $recipient_headers): JWE
    {
        $jwe = clone $this;
        $jwe->recipients[] = Recipient::createRecipientFromLoadedJWE($recipient_headers, $encrypted_key);

        return $jwe;
    }

    /**
     * Returns the recipients associated with the JWS.
     *
     * @return Recipient[]
     */
    public function getRecipients(): array
    {
        return $this->recipients;
    }

    /**
     * @param int $id
     *
     * @return Recipient
     */
    public function &getRecipient(int $id): Recipient
    {
        Assertion::keyExists($this->recipients, $id, 'The recipient does not exist.');

        return $this->recipients[$id];
    }

    /**
     * @return string|null The cyphertext
     */
    public function getCiphertext(): ?string
    {
        return $this->ciphertext;
    }

    /**
     * @param string $ciphertext
     *
     * @return JWE
     */
    public function withCiphertext(string $ciphertext): JWE
    {
        $jwe = clone $this;
        $jwe->ciphertext = $ciphertext;

        return $jwe;
    }

    /**
     * @return string|null
     */
    public function getAAD(): ?string
    {
        return $this->aad;
    }

    /**
     * @param string $aad
     *
     * @return JWE
     */
    public function withAAD(string $aad): JWE
    {
        $jwe = clone $this;
        $jwe->aad = $aad;

        return $jwe;
    }

    /**
     * @return string|null
     */
    public function getIV(): ?string
    {
        return $this->iv;
    }

    /**
     * @param string $iv
     *
     * @return JWE
     */
    public function withIV(string $iv): JWE
    {
        $jwe = clone $this;
        $jwe->iv = $iv;

        return $jwe;
    }

    /**
     * @return string|null
     */
    public function getTag(): ?string
    {
        return $this->tag;
    }

    /**
     * @param string $tag
     *
     * @return JWE
     */
    public function withTag(string $tag): JWE
    {
        $jwe = clone $this;
        $jwe->tag = $tag;

        return $jwe;
    }

    /**
     * @return string
     */
    public function getEncodedSharedProtectedHeaders(): string
    {
        return $this->encoded_shared_protected_headers ?? '';
    }

    /**
     * @param string $encoded_shared_protected_headers
     *
     * @return JWE
     */
    public function withEncodedSharedProtectedHeaders(string $encoded_shared_protected_headers): JWE
    {
        $jwe = clone $this;
        $jwe->encoded_shared_protected_headers = $encoded_shared_protected_headers;

        return $jwe;
    }

    /**
     * @return array
     */
    public function getSharedProtectedHeaders(): array
    {
        return $this->shared_protected_headers;
    }

    /**
     * @param array $shared_protected_headers
     *
     * @return JWE
     */
    public function withSharedProtectedHeaders(array $shared_protected_headers): JWE
    {
        $jwe = clone $this;
        $jwe->shared_protected_headers = $shared_protected_headers;

        return $jwe;
    }

    /**
     * @param string     $key
     * @param mixed|null $value
     *
     * @return JWE
     */
    public function withSharedProtectedHeader(string $key, $value): JWE
    {
        $jwe = clone $this;
        $jwe->shared_protected_headers[$key] = $value;

        return $jwe;
    }

    /**
     * @param string $key The key
     *
     * @return mixed|null Header value
     */
    public function getSharedProtectedHeader(string $key)
    {
        if ($this->hasSharedProtectedHeader($key)) {
            return $this->shared_protected_headers[$key];
        }
        throw new \InvalidArgumentException(sprintf('The shared protected header "%s" does not exist.', $key));
    }

    /**
     * @param string $key The key
     *
     * @return bool
     */
    public function hasSharedProtectedHeader(string $key): bool
    {
        return array_key_exists($key, $this->shared_protected_headers);
    }

    /**
     * @param array $shared_headers
     *
     * @return JWE
     */
    public function withSharedHeaders(array $shared_headers): JWE
    {
        $jwe = clone $this;
        $jwe->shared_headers = $shared_headers;

        return $jwe;
    }

    /**
     * @param string     $key
     * @param mixed|null $value
     *
     * @return JWE
     */
    public function withSharedHeader(string $key, $value): JWE
    {
        $jwe = clone $this;
        $jwe->shared_headers[$key] = $value;

        return $jwe;
    }

    /**
     * @return array
     */
    public function getSharedHeaders(): array
    {
        return $this->shared_headers;
    }

    /**
     * @param string $key The key
     *
     * @return mixed|null Header value
     */
    public function getSharedHeader(string $key)
    {
        if ($this->hasSharedHeader($key)) {
            return $this->shared_headers[$key];
        }
        throw new \InvalidArgumentException(sprintf('The shared header "%s" does not exist.', $key));
    }

    /**
     * @param string $key The key
     *
     * @return bool
     */
    public function hasSharedHeader(string $key): bool
    {
        return array_key_exists($key, $this->shared_headers);
    }

    /**
     * @param int $id
     *
     * @return string
     */
    public function toCompactJSON(int $id): string
    {
        $recipient = $this->getRecipient($id);

        $this->checkHasNoAAD();
        $this->checkHasSharedProtectedHeaders();
        $this->checkRecipientHasNoHeaders($id);

        return sprintf(
            '%s.%s.%s.%s.%s',
            $this->getEncodedSharedProtectedHeaders(),
            Base64Url::encode(null === $recipient->getEncryptedKey() ? '' : $recipient->getEncryptedKey()),
            Base64Url::encode(null === $this->getIV() ? '' : $this->getIV()),
            Base64Url::encode($this->getCiphertext()),
            Base64Url::encode(null === $this->getTag() ? '' : $this->getTag())
        );
    }

    private function checkHasNoAAD()
    {
        Assertion::true(empty($this->getAAD()), 'This JWE has AAD and cannot be converted into Compact JSON.');
    }

    /**
     * @param int $id
     */
    private function checkRecipientHasNoHeaders(int $id)
    {
        Assertion::true(
            empty($this->getSharedHeaders()) && empty($this->getRecipient($id)->getHeaders()),
            'This JWE has shared headers or recipient headers and cannot be converted into Compact JSON.'
        );
    }

    private function checkHasSharedProtectedHeaders()
    {
        Assertion::notEmpty(
            $this->getSharedProtectedHeaders(),
            'This JWE does not have shared protected headers and cannot be converted into Compact JSON.'
        );
    }

    /**
     * @param int $id
     *
     * @return string
     */
    public function toFlattenedJSON(int $id): string
    {
        $recipient = $this->getRecipient($id);

        $json = $this->getJSONBase();

        if (!empty($recipient->getHeaders())) {
            $json['header'] = $recipient->getHeaders();
        }
        if (!empty($recipient->getEncryptedKey())) {
            $json['encrypted_key'] = Base64Url::encode($recipient->getEncryptedKey());
        }

        return json_encode($json);
    }

    /**
     * @return string
     */
    public function toJSON(): string
    {
        $json = $this->getJSONBase();
        $json['recipients'] = [];

        foreach ($this->getRecipients() as $recipient) {
            $temp = [];
            if (!empty($recipient->getHeaders())) {
                $temp['header'] = $recipient->getHeaders();
            }
            if (!empty($recipient->getEncryptedKey())) {
                $temp['encrypted_key'] = Base64Url::encode($recipient->getEncryptedKey());
            }
            $json['recipients'][] = $temp;
        }

        return json_encode($json);
    }

    /**
     * @return array
     */
    private function getJSONBase(): array
    {
        $json = [
            'ciphertext' => Base64Url::encode($this->getCiphertext()),
        ];
        if (null !== $this->getIV()) {
            $json['iv'] = Base64Url::encode($this->getIV());
        }
        if (null !== $this->getTag()) {
            $json['tag'] = Base64Url::encode($this->getTag());
        }
        if (null !== $this->getAAD()) {
            $json['aad'] = Base64Url::encode($this->getAAD());
        }
        if (!empty($this->getSharedProtectedHeaders())) {
            $json['protected'] = $this->getEncodedSharedProtectedHeaders();
        }
        if (!empty($this->getSharedHeaders())) {
            $json['unprotected'] = $this->getSharedHeaders();
        }

        return $json;
    }
}


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\Encryption;
15
16			use Assert\Assertion;
17			use Base64Url\Base64Url;
18			use Jose\Component\Core\JWK;
19			use Jose\Component\Core\JWTInterface;
20
21			/**
22			* Class JWE.
23			*/
24			final class JWE implements JWTInterface
25			{
26			/**
27			* @var Recipient[]
28			*/
29			private $recipients = [];
30
31			/**
32			* @var string\|null
33			*/
34			private $ciphertext = null;
35
36			/**
37			* @var string\|null
38			*/
39			private $iv = null;
40
41			/**
42			* @var string\|null
43			*/
44			private $aad = null;
45
46			/**
47			* @var string\|null
48			*/
49			private $tag = null;
50
51			/**
52			* @var array
53			*/
54			private $shared_headers = [];
55
56			/**
57			* @var array
58			*/
59			private $shared_protected_headers = [];
60
61			/**
62			* @var string\|null
63			*/
64			private $encoded_shared_protected_headers = null;
65
66			/**
67			* @var mixed\|null
68			*/
69			private $payload = null;
70
71			/**
72			* JWE constructor.
73			* @param null\|string $ciphertext
74			* @param null\|string $iv
75			* @param null\|string $aad
76			* @param null\|string $tag
77			* @param array $shared_headers
78			* @param array $shared_protected_headers
79			* @param null\|string $encoded_shared_protected_headers
80			* @param mixed\|null $payload
81			* @param array $recipients
82			*/
83			private function __construct(?string $ciphertext = null, ?string $iv = null, ?string $aad = null, ?string $tag = null, array $shared_headers = [], array $shared_protected_headers = [], ?string $encoded_shared_protected_headers = null, $payload = null, array $recipients = [])
84			{
85			$this->ciphertext = $ciphertext;
86			$this->iv = $iv;
87			$this->aad = $aad;
88			$this->tag = $tag;
89			$this->shared_headers = $shared_headers;
90			$this->shared_protected_headers = $shared_protected_headers;
91			$this->encoded_shared_protected_headers = $encoded_shared_protected_headers;
92			$this->payload = $payload;
93			$this->recipients = $recipients;
94			}
95
96			/**
97			* @return JWE
98			*/
99			public static function createEmpty(): JWE
100			{
101			return new self();
102			}
103
104			/**
105			* @param $payload
106			* @param array $shared_protected_headers
107			* @param null\|string $aad
108			* @param array $shared_headers
109			*
110			* @return JWE
111			*/
112			public static function create($payload, array $shared_protected_headers = [], array $shared_headers = [], ?string $aad = null): JWE
113			{
114			return new self(null, null, $aad, null, $shared_headers, $shared_protected_headers, null, $payload);
115			}
116
117			/**
118			* @param null\|string $ciphertext
119			* @param null\|string $iv
120			* @param null\|string $aad
121			* @param null\|string $tag
122			* @param array $shared_headers
123			* @param array $shared_protected_headers
124			* @param null\|string $encoded_shared_protected_headers
125			* @param array $recipients
126			*
127			* @return JWE
128			*/
129			public static function createFromLoadedData(?string $ciphertext = null, ?string $iv = null, ?string $aad = null, ?string $tag = null, array $shared_headers = [], array $shared_protected_headers = [], ?string $encoded_shared_protected_headers = null, array $recipients = []): JWE
130			{
131			return new self($ciphertext, $iv, $aad, $tag, $shared_headers, $shared_protected_headers, $encoded_shared_protected_headers, null, $recipients);
132			}
133
134			/**
135			* {@inheritdoc}
136			*/
137			public function getPayload()
138			{
139			return $this->payload;
140			}
141
142			/**
143			* @param mixed $payload
144			*
145			* @return JWE
146			*/
147			public function withPayload($payload): JWE
148			{
149			$jwt = clone $this;
150			$jwt->payload = $payload;
151
152			return $jwt;
153			}
154
155			/**
156			* {@inheritdoc}
157			*/
158			public function getClaim(string $key)
159			{
160			if ($this->hasClaim($key)) {
161			return $this->payload[$key];
162			}
163			throw new \InvalidArgumentException(sprintf('The payload does not contain claim "%s".', $key));
164			}
165
166			/**
167			* {@inheritdoc}
168			*/
169			public function getClaims(): array
170			{
171			if (!$this->hasClaims()) {
172			throw new \InvalidArgumentException('The payload does not contain claims.');
173			}
174
175			return $this->payload;
176			}
177
178			/**
179			* {@inheritdoc}
180			*/
181			public function hasClaim(string $key): bool
182			{
183			return $this->hasClaims() && array_key_exists($key, $this->payload);
184			}
185
186			/**
187			* {@inheritdoc}
188			*/
189			public function hasClaims(): bool
190			{
191			return is_array($this->payload);
192			}
193
194			/**
195			* Returns the number of recipients associated with the JWS.
196			*
197			* @return int
198			*/
199			public function countRecipients(): int
200			{
201			return count($this->recipients);
202			}
203
204			/**
205			* @return bool
206			*/
207			public function isEncrypted(): bool
208			{
209			return null !== $this->getCiphertext();
210			}
211
212			/**
213			* @param JWK $recipient_key
214			* @param array $recipient_headers
215			*
216			* @return JWE
217			*/
218			public function addRecipientInformation(JWK $recipient_key, array $recipient_headers = []): JWE
219			{
220			Assertion::true(null === $this->getCiphertext(), 'The JWE is encrypted. No additional recipient allowed.');
221			$jwe = clone $this;
222			$jwe->recipients[] = Recipient::createRecipient($recipient_key, $recipient_headers);
223
224			return $jwe;
225			}
226
227			/**
228			* @param string\|null $encrypted_key
229			* @param array $recipient_headers
230			*
231			* @return JWE
232			*/
233			public function addRecipientWithEncryptedKey(?string $encrypted_key, array $recipient_headers): JWE
234			{
235			$jwe = clone $this;
236			$jwe->recipients[] = Recipient::createRecipientFromLoadedJWE($recipient_headers, $encrypted_key);
237
238			return $jwe;
239			}
240
241			/**
242			* Returns the recipients associated with the JWS.
243			*
244			* @return Recipient[]
245			*/
246			public function getRecipients(): array
247			{
248			return $this->recipients;
249			}
250
251			/**
252			* @param int $id
253			*
254			* @return Recipient
255			*/
256			public function &getRecipient(int $id): Recipient
257			{
258			Assertion::keyExists($this->recipients, $id, 'The recipient does not exist.');
259
260			return $this->recipients[$id];
261			}
262
263			/**
264			* @return string\|null The cyphertext
265			*/
266			public function getCiphertext(): ?string
267			{
268			return $this->ciphertext;
269			}
270
271			/**
272			* @param string $ciphertext
273			*
274			* @return JWE
275			*/
276			public function withCiphertext(string $ciphertext): JWE
277			{
278			$jwe = clone $this;
279			$jwe->ciphertext = $ciphertext;
280
281			return $jwe;
282			}
283
284			/**
285			* @return string\|null
286			*/
287			public function getAAD(): ?string
288			{
289			return $this->aad;
290			}
291
292			/**
293			* @param string $aad
294			*
295			* @return JWE
296			*/
297			public function withAAD(string $aad): JWE
298			{
299			$jwe = clone $this;
300			$jwe->aad = $aad;
301
302			return $jwe;
303			}
304
305			/**
306			* @return string\|null
307			*/
308			public function getIV(): ?string
309			{
310			return $this->iv;
311			}
312
313			/**
314			* @param string $iv
315			*
316			* @return JWE
317			*/
318			public function withIV(string $iv): JWE
319			{
320			$jwe = clone $this;
321			$jwe->iv = $iv;
322
323			return $jwe;
324			}
325
326			/**
327			* @return string\|null
328			*/
329			public function getTag(): ?string
330			{
331			return $this->tag;
332			}
333
334			/**
335			* @param string $tag
336			*
337			* @return JWE
338			*/
339			public function withTag(string $tag): JWE
340			{
341			$jwe = clone $this;
342			$jwe->tag = $tag;
343
344			return $jwe;
345			}
346
347			/**
348			* @return string
349			*/
350			public function getEncodedSharedProtectedHeaders(): string
351			{
352			return $this->encoded_shared_protected_headers ?? '';
353			}
354
355			/**
356			* @param string $encoded_shared_protected_headers
357			*
358			* @return JWE
359			*/
360			public function withEncodedSharedProtectedHeaders(string $encoded_shared_protected_headers): JWE
361			{
362			$jwe = clone $this;
363			$jwe->encoded_shared_protected_headers = $encoded_shared_protected_headers;
364
365			return $jwe;
366			}
367
368			/**
369			* @return array
370			*/
371			public function getSharedProtectedHeaders(): array
372			{
373			return $this->shared_protected_headers;
374			}
375
376			/**
377			* @param array $shared_protected_headers
378			*
379			* @return JWE
380			*/
381			public function withSharedProtectedHeaders(array $shared_protected_headers): JWE
382			{
383			$jwe = clone $this;
384			$jwe->shared_protected_headers = $shared_protected_headers;
385
386			return $jwe;
387			}
388
389			/**
390			* @param string $key
391			* @param mixed\|null $value
392			*
393			* @return JWE
394			*/
395			public function withSharedProtectedHeader(string $key, $value): JWE
396			{
397			$jwe = clone $this;
398			$jwe->shared_protected_headers[$key] = $value;
399
400			return $jwe;
401			}
402
403			/**
404			* @param string $key The key
405			*
406			* @return mixed\|null Header value
407			*/
408			public function getSharedProtectedHeader(string $key)
409			{
410			if ($this->hasSharedProtectedHeader($key)) {
411			return $this->shared_protected_headers[$key];
412			}
413			throw new \InvalidArgumentException(sprintf('The shared protected header "%s" does not exist.', $key));
414			}
415
416			/**
417			* @param string $key The key
418			*
419			* @return bool
420			*/
421			public function hasSharedProtectedHeader(string $key): bool
422			{
423			return array_key_exists($key, $this->shared_protected_headers);
424			}
425
426			/**
427			* @param array $shared_headers
428			*
429			* @return JWE
430			*/
431			public function withSharedHeaders(array $shared_headers): JWE
432			{
433			$jwe = clone $this;
434			$jwe->shared_headers = $shared_headers;
435
436			return $jwe;
437			}
438
439			/**
440			* @param string $key
441			* @param mixed\|null $value
442			*
443			* @return JWE
444			*/
445			public function withSharedHeader(string $key, $value): JWE
446			{
447			$jwe = clone $this;
448			$jwe->shared_headers[$key] = $value;
449
450			return $jwe;
451			}
452
453			/**
454			* @return array
455			*/
456			public function getSharedHeaders(): array
457			{
458			return $this->shared_headers;
459			}
460
461			/**
462			* @param string $key The key
463			*
464			* @return mixed\|null Header value
465			*/
466			public function getSharedHeader(string $key)
467			{
468			if ($this->hasSharedHeader($key)) {
469			return $this->shared_headers[$key];
470			}
471			throw new \InvalidArgumentException(sprintf('The shared header "%s" does not exist.', $key));
472			}
473
474			/**
475			* @param string $key The key
476			*
477			* @return bool
478			*/
479			public function hasSharedHeader(string $key): bool
480			{
481			return array_key_exists($key, $this->shared_headers);
482			}
483
484			/**
485			* @param int $id
486			*
487			* @return string
488			*/
489			public function toCompactJSON(int $id): string
490			{
491			$recipient = $this->getRecipient($id);
492
493			$this->checkHasNoAAD();
494			$this->checkHasSharedProtectedHeaders();
495			$this->checkRecipientHasNoHeaders($id);
496
497			return sprintf(
498			'%s.%s.%s.%s.%s',
499			$this->getEncodedSharedProtectedHeaders(),
500			Base64Url::encode(null === $recipient->getEncryptedKey() ? '' : $recipient->getEncryptedKey()),
501			Base64Url::encode(null === $this->getIV() ? '' : $this->getIV()),
502			Base64Url::encode($this->getCiphertext()),
503			Base64Url::encode(null === $this->getTag() ? '' : $this->getTag())
504			);
505			}
506
507			private function checkHasNoAAD()
508			{
509			Assertion::true(empty($this->getAAD()), 'This JWE has AAD and cannot be converted into Compact JSON.');
510			}
511
512			/**
513			* @param int $id
514			*/
515			private function checkRecipientHasNoHeaders(int $id)
516			{
517			Assertion::true(
518			empty($this->getSharedHeaders()) && empty($this->getRecipient($id)->getHeaders()),
519			'This JWE has shared headers or recipient headers and cannot be converted into Compact JSON.'
520			);
521			}
522
523			private function checkHasSharedProtectedHeaders()
524			{
525			Assertion::notEmpty(
526			$this->getSharedProtectedHeaders(),
527			'This JWE does not have shared protected headers and cannot be converted into Compact JSON.'
528			);
529			}
530
531			/**
532			* @param int $id
533			*
534			* @return string
535			*/
536			public function toFlattenedJSON(int $id): string
537			{
538			$recipient = $this->getRecipient($id);
539
540			$json = $this->getJSONBase();
541
542			if (!empty($recipient->getHeaders())) {
543			$json['header'] = $recipient->getHeaders();
544			}
545			if (!empty($recipient->getEncryptedKey())) {
546			$json['encrypted_key'] = Base64Url::encode($recipient->getEncryptedKey());
547			}
548
549			return json_encode($json);
550			}
551
552			/**
553			* @return string
554			*/
555			public function toJSON(): string
556			{
557			$json = $this->getJSONBase();
558			$json['recipients'] = [];
559
560			foreach ($this->getRecipients() as $recipient) {
561			$temp = [];
562			if (!empty($recipient->getHeaders())) {
563			$temp['header'] = $recipient->getHeaders();
564			}
565			if (!empty($recipient->getEncryptedKey())) {
566			$temp['encrypted_key'] = Base64Url::encode($recipient->getEncryptedKey());
567			}
568			$json['recipients'][] = $temp;
569			}
570
571			return json_encode($json);
572			}
573
574			/**
575			* @return array
576			*/
577			private function getJSONBase(): array
578			{
579			$json = [
580			'ciphertext' => Base64Url::encode($this->getCiphertext()),
581			];
582			if (null !== $this->getIV()) {
583			$json['iv'] = Base64Url::encode($this->getIV());
584			}
585			if (null !== $this->getTag()) {
586			$json['tag'] = Base64Url::encode($this->getTag());
587			}
588			if (null !== $this->getAAD()) {
589			$json['aad'] = Base64Url::encode($this->getAAD());
590			}
591			if (!empty($this->getSharedProtectedHeaders())) {
592			$json['protected'] = $this->getEncodedSharedProtectedHeaders();
593			}
594			if (!empty($this->getSharedHeaders())) {
595			$json['unprotected'] = $this->getSharedHeaders();
596			}
597
598			return $json;
599			}
600			}
601

Spomky-Labs / jose

Push — v7 ( 5d1eb6...6055df )

JWE::__construct() A

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