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

Failed Conditions

Push — v7 ( ae6905...7dd7be )

by Florent

created 2017-08-06 20:50 UTC

JWE::create() A

↳ Parent: JWE

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	8

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 $sharedHeaders = [];

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

    /**
     * @var string|null
     */
    private $encodedSharedProtectedKeaders = 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       $sharedHeaders
     * @param array       $sharedProtectedKeaders
     * @param null|string $encodedSharedProtectedKeaders
     * @param mixed|null  $payload
     * @param array       $recipients
     */
    private function __construct(?string $ciphertext = null, ?string $iv = null, ?string $aad = null, ?string $tag = null, array $sharedHeaders = [], array $sharedProtectedKeaders = [], ?string $encodedSharedProtectedKeaders = null, $payload = null, array $recipients = [])
    {
        $this->ciphertext = $ciphertext;
        $this->iv = $iv;
        $this->aad = $aad;
        $this->tag = $tag;
        $this->sharedHeaders = $sharedHeaders;
        $this->sharedProtectedKeaders = $sharedProtectedKeaders;
        $this->encodedSharedProtectedKeaders = $encodedSharedProtectedKeaders;
        $this->payload = $payload;
        $this->recipients = $recipients;
    }

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

    /**
     * @param null|string $ciphertext
     * @param null|string $iv
     * @param null|string $aad
     * @param null|string $tag
     * @param array       $sharedHeaders
     * @param array       $sharedProtectedKeaders
     * @param null|string $encodedSharedProtectedKeaders
     * @param array       $recipients
     *
     * @return JWE
     */
    public static function create(?string $ciphertext = null, ?string $iv = null, ?string $aad = null, ?string $tag = null, array $sharedHeaders = [], array $sharedProtectedKeaders = [], ?string $encodedSharedProtectedKeaders = null, array $recipients = []): JWE
    {
        return new self($ciphertext, $iv, $aad, $tag, $sharedHeaders, $sharedProtectedKeaders, $encodedSharedProtectedKeaders, 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 array       $recipientHeaders
     * @param string|null $encryptedKey
     *
     * @return JWE
     */
    public function addRecipient(array $recipientHeaders = [], ?string $encryptedKey = null): JWE
    {
        $clone = clone $this;
        $clone->recipients[] = Recipient::create($recipientHeaders, $encryptedKey);

        return $clone;
    }

    /**
     * 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->encodedSharedProtectedKeaders ?? '';
    }

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

        return $jwe;
    }

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

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

        return $jwe;
    }

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

        return $jwe;
    }

    /**
     * @param string $key The key
     *
     * @return mixed|null Header value
     */
    public function getSharedProtectedHeader(string $key)
    {
        if ($this->hasSharedProtectedHeader($key)) {
            return $this->sharedProtectedKeaders[$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->sharedProtectedKeaders);
    }

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

        return $jwe;
    }

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

        return $jwe;
    }

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

    /**
     * @param string $key The key
     *
     * @return mixed|null Header value
     */
    public function getSharedHeader(string $key)
    {
        if ($this->hasSharedHeader($key)) {
            return $this->sharedHeaders[$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->sharedHeaders);
    }

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

Spomky-Labs / jose

Push — v7 ( ae6905...7dd7be )

JWE::create() A

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