ByteBuffer::base64UrlEncode() - Code Metrics - platine-php/webauthn - Measure and Improve Code Quality continuously with Scrutinizer

ByteBuffer::base64UrlEncode() A
last analyzed 2025-06-09 11:13 UTC

↳ Parent: ByteBuffer

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	1
c	1
b	0
f	0
nc	1
nop	1
dl	0
loc	3
rs	10

<?php

/**
 * Platine Webauth
 *
 * Platine Webauthn is the implementation of webauthn specifications
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2020 Platine Webauth
 * Copyright (c) Jakob Bennemann <[email protected]>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

declare(strict_types=1);

namespace Platine\Webauthn\Helper;

use Exception;
use JsonSerializable;
use Platine\Stdlib\Helper\Json;
use Platine\Webauthn\Exception\WebauthnException;
use Serializable;
use Stringable;

/**
 * @class ByteBuffer
 * @package Platine\Webauthn\Helper
 */
class ByteBuffer implements JsonSerializable, Serializable, Stringable
{
    /**
     * Whether to use Base64 URL encoding
     * @var bool
     */
    protected bool $useBase64UrlEncoding = false;

    /**
     * The data
     * @var string
     */
    protected string $data;

    /**
     * The data length
     * @var int
     */
    protected int $length = 0;

    /**
     * Create new instance
     * @param string $binaryData
     */
    public function __construct(string $binaryData)
    {
        $this->data = (string)$binaryData;
        $this->length = strlen($binaryData);
    }

    /**
     * Create a ByteBuffer from a base64 URL encoded string
     * @param string $str
     * @return self
     */
    public static function fromBase64Url(string $str): self
    {
        $data = self::base64UrlDecode($str);

        return new self($data);
    }

    /**
     * Create a ByteBuffer from a hexadecimal string
     * @param string $str
     * @return self
     */
    public static function fromHex(string $str): self
    {
        $binary = hex2bin($str);
        if ($binary === false) {
            throw new WebauthnException('Invalid hex string for bytes buffer');
        }

        return new self($binary);
    }

    /**
     * create a random Byte Buffer
     * @param int<1, max> $length
     * @return self
     */
    public static function randomBuffer(int $length): self
    {
        if (function_exists('random_bytes')) {
            return new self(random_bytes($length));
        }

        if (function_exists('openssl_random_pseudo_bytes')) {
            $bytes = openssl_random_pseudo_bytes($length);
            if ($bytes === false) {
                throw new WebauthnException('cannot generate random bytes using openssl for bytes buffer');
            }

            return new self($bytes);
        }

        throw new WebauthnException('cannot generate random bytes for bytes buffer');
    }

    /**
     * Return the buffer bytes
     * @param int $offset
     * @param int $length
     * @return string
     */
    public function getBytes(int $offset, int $length): string
    {
        if ($offset < 0 || $length < 0 || ($offset + $length) > $this->length) {
            throw new WebauthnException(sprintf(
                'Invalid offset [%d] or length [%d] for bytes buffer',
                $offset,
                $length
            ));
        }

        return substr($this->data, $offset, $length);
    }

    /**
     * Return the byte value of the given offset
     * @param int $offset
     * @return int
     */
    public function getByteValue(int $offset): int
    {
        if ($offset < 0 || $offset >= $this->length) {
            throw new WebauthnException(sprintf(
                'Invalid offset [%d] for bytes buffer',
                $offset
            ));
        }

        return ord(substr($this->data, $offset, 1));
    }

    /**
     * Return the Uint16 value of the given offset
     * @param int $offset
     * @return int
     */
    public function getUint16Value(int $offset): int
    {
        if ($offset < 0 || ($offset + 2) > $this->length) {
            throw new WebauthnException(sprintf(
                'Invalid offset [%d] for bytes buffer',
                $offset
            ));
        }

        $data = unpack('n', $this->data, $offset);
        if ($data === false) {
            throw new WebauthnException('Can not unpack data for bytes buffer');
        }

        return $data[1];
    }

    /**
     * Return the Uint32 value of the given offset
     * @param int $offset
     * @return int
     */
    public function getUint32Value(int $offset): int
    {
        if ($offset < 0 || ($offset + 4) > $this->length) {
            throw new WebauthnException(sprintf(
                'Invalid offset [%d] for bytes buffer',
                $offset
            ));
        }

        $data = unpack('N', $this->data, $offset);
        if ($data === false) {
            throw new WebauthnException('Can not unpack data for bytes buffer');
        }

        // Signed integer overflow causes signed negative numbers
        if ($data[1] < 0) {
            throw new WebauthnException('Value out of integer range for bytes buffer');
        }

        return $data[1];
    }

    /**
     * Return the Uint64 value of the given offset
     * @param int $offset
     * @return int
     */
    public function getUint64Value(int $offset): int
    {
        // @codeCoverageIgnoreStart
        if (PHP_INT_SIZE < 8) {
            throw new WebauthnException('64-bit values not supported by this system');
        }
        // @codeCoverageIgnoreEnd

        if ($offset < 0 || ($offset + 8) > $this->length) {
            throw new WebauthnException(sprintf(
                'Invalid offset [%d] for bytes buffer',
                $offset
            ));
        }

        $data = unpack('J', $this->data, $offset);
        if ($data === false) {
            throw new WebauthnException('Can not unpack data for bytes buffer');
        }

        // Signed integer overflow causes signed negative numbers
        if ($data[1] < 0) {
            throw new WebauthnException('Value out of integer range for bytes buffer');
        }

        return $data[1];
    }

    /**
     * Return the half float value
     * @param int $offset
     * @return float
     */
    public function getHalfFloatValue(int $offset): float
    {
        //FROM spec pseudo decode_half(unsigned char *halfp)
        $half = $this->getUint16Value($offset);

        $exp = ($half >> 10) & 0x1f;
        $mant = $half & 0x3ff;

        if ($exp === 0) {
            $val = $mant * (2 ** -24);
        } elseif ($exp !== 31) {
            $val = ($mant + 1024) * (2 ** ($exp - 25));
        } else {
            $val = ($mant === 0) ? INF : NAN;
        }

        return ($half & 0x8000) ? -$val : $val;
    }

    /**
     * Return the float value of the given offset
     * @param int $offset
     * @return float
     */
    public function getFloatValue(int $offset): float
    {
        if ($offset < 0 || ($offset + 4) > $this->length) {
            throw new WebauthnException(sprintf(
                'Invalid offset [%d] for bytes buffer',
                $offset
            ));
        }

        $data = unpack('G', $this->data, $offset);
        if ($data === false) {
            throw new WebauthnException('Can not unpack data for bytes buffer');
        }

        return $data[1];
    }

    /**
     * Return the double value of the given offset
     * @param int $offset
     * @return float
     */
    public function getDoubleValue(int $offset): float
    {
        if ($offset < 0 || ($offset + 8) > $this->length) {
            throw new WebauthnException(sprintf(
                'Invalid offset [%d] for bytes buffer',
                $offset
            ));
        }

        $data = unpack('E', $this->data, $offset);
        if ($data === false) {
            throw new WebauthnException('Can not unpack data for bytes buffer');
        }

        return $data[1];
    }

    /**
     * Return the hexadecimal
     * @return string
     */
    public function getHexValue(): string
    {
        return bin2hex($this->data);
    }

    /**
     * Whether the buffer is empty
     * @return bool
     */
    public function isEmpty(): bool
    {
        return $this->length === 0;
    }

    /**
     * Whether two buffers are equal
     * @param ByteBuffer $data
     * @return bool
     */
    public function isEqual(ByteBuffer $data): bool
    {
        return $this->data === $data->getBinaryString();
    }

    /**
     * Return the JSON data
     * @param int $options
     * @return mixed
     */
    public function getJson(int $options = 0): mixed
    {
        try {
            $data = Json::decode($this->getBinaryString(), false, 512, $options);
        } catch (Exception $ex) {
            throw new WebauthnException($ex->getMessage());
        }

        return $data;
    }

    /**
     * Return the length
     * @return int
     */
    public function getLength(): int
    {
        return $this->length;
    }

        /**
     * Return the binary string
     * @return string
     */
    public function getBinaryString(): string
    {
        return $this->data;
    }

    /**
     *
     * @return bool
     */
    public function isUseBase64UrlEncoding(): bool
    {
        return $this->useBase64UrlEncoding;
    }

    /**
     *
     * @param bool $useBase64UrlEncoding
     * @return $this
     */
    public function useBase64UrlEncoding(bool $useBase64UrlEncoding): self
    {
        $this->useBase64UrlEncoding = $useBase64UrlEncoding;
        return $this;
    }

    /**
    * {@inheritdoc}
    * @return mixed
    */
    public function jsonSerialize(): mixed
    {
        if ($this->useBase64UrlEncoding) {
            return self::base64UrlEncode($this->data);
        }

        return sprintf(
            '=?BINARY?B?%s?=',
            base64_encode($this->data)
        );
    }

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

    /**
    * {@inheritdoc}
    * $param string $data
    */
    public function unserialize(string $data): void
    {
        $value = unserialize($data);
        if ($value === false) {
            throw new WebauthnException('Can not unserialize the data');
        }
        $this->data = $value;
        $this->length = strlen($this->data);
    }

    /**
     * Return string representation
     * @return string
     */
    public function __toString(): string
    {
        return $this->getHexValue();
    }

    /**
     * PHP 8 deprecates Serializable Interface if we don't defined this method
     * @param array<string, mixed> $data
     * @return void
     */
    public function __unserialize(array $data)
    {
        if (isset($data['data'])) {
            $value = unserialize($data['data']);
            if ($value === false) {
                throw new WebauthnException('Can not unserialize the data');
            }

            $this->data = $value;
            $this->length = strlen($this->data);
        }
    }

    /**
     * PHP 8 deprecates Serializable Interface if we don't defined this method
     * @return array<string, mixed>
     */
    public function __serialize(): array
    {
        return [
            'data' => serialize($this->data),
        ];
    }

    /**
     * Base 64 URL decoding
     * @param string $str
     * @return string
     */
    protected static function base64UrlDecode(string $str): string
    {
        $data = sprintf(
            '%s%s',
            strtr($str, '-_', '+/'),
            str_repeat('=', 3 - (3 + strlen($str)) % 4)
        );

        return base64_decode($data);
    }

    /**
     * Base 64 URL encoding
     * @param string $str
     * @return string
     */
    protected static function base64UrlEncode(string $str): string
    {
        return rtrim(strtr($str, '+/', '-_'), '=');
    }
}


1			<?php
2
3			/**
4			* Platine Webauth
5			*
6			* Platine Webauthn is the implementation of webauthn specifications
7			*
8			* This content is released under the MIT License (MIT)
9			*
10			* Copyright (c) 2020 Platine Webauth
11			* Copyright (c) Jakob Bennemann <[email protected]>
12			*
13			* Permission is hereby granted, free of charge, to any person obtaining a copy
14			* of this software and associated documentation files (the "Software"), to deal
15			* in the Software without restriction, including without limitation the rights
16			* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
17			* copies of the Software, and to permit persons to whom the Software is
18			* furnished to do so, subject to the following conditions:
19			*
20			* The above copyright notice and this permission notice shall be included in all
21			* copies or substantial portions of the Software.
22			*
23			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24			* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25			* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
26			* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27			* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
28			* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29			* SOFTWARE.
30			*/
31
32			declare(strict_types=1);
33
34			namespace Platine\Webauthn\Helper;
35
36			use Exception;
37			use JsonSerializable;
38			use Platine\Stdlib\Helper\Json;
39			use Platine\Webauthn\Exception\WebauthnException;
40			use Serializable;
41			use Stringable;
42
43			/**
44			* @class ByteBuffer
45			* @package Platine\Webauthn\Helper
46			*/
47			class ByteBuffer implements JsonSerializable, Serializable, Stringable
48			{
49			/**
50			* Whether to use Base64 URL encoding
51			* @var bool
52			*/
53			protected bool $useBase64UrlEncoding = false;
54
55			/**
56			* The data
57			* @var string
58			*/
59			protected string $data;
60
61			/**
62			* The data length
63			* @var int
64			*/
65			protected int $length = 0;
66
67			/**
68			* Create new instance
69			* @param string $binaryData
70			*/
71			public function __construct(string $binaryData)
72			{
73			$this->data = (string)$binaryData;
74			$this->length = strlen($binaryData);
75			}
76
77			/**
78			* Create a ByteBuffer from a base64 URL encoded string
79			* @param string $str
80			* @return self
81			*/
82			public static function fromBase64Url(string $str): self
83			{
84			$data = self::base64UrlDecode($str);
85
86			return new self($data);
87			}
88
89			/**
90			* Create a ByteBuffer from a hexadecimal string
91			* @param string $str
92			* @return self
93			*/
94			public static function fromHex(string $str): self
95			{
96			$binary = hex2bin($str);
97			if ($binary === false) {
98			throw new WebauthnException('Invalid hex string for bytes buffer');
99			}
100
101			return new self($binary);
102			}
103
104			/**
105			* create a random Byte Buffer
106			* @param int<1, max> $length
107			* @return self
108			*/
109			public static function randomBuffer(int $length): self
110			{
111			if (function_exists('random_bytes')) {
112			return new self(random_bytes($length));
113			}
114
115			if (function_exists('openssl_random_pseudo_bytes')) {
116			$bytes = openssl_random_pseudo_bytes($length);
117			if ($bytes === false) {
118			throw new WebauthnException('cannot generate random bytes using openssl for bytes buffer');
119			}
120
121			return new self($bytes);
122			}
123
124			throw new WebauthnException('cannot generate random bytes for bytes buffer');
125			}
126
127			/**
128			* Return the buffer bytes
129			* @param int $offset
130			* @param int $length
131			* @return string
132			*/
133			public function getBytes(int $offset, int $length): string
134			{
135			if ($offset < 0 \|\| $length < 0 \|\| ($offset + $length) > $this->length) {
136			throw new WebauthnException(sprintf(
137			'Invalid offset [%d] or length [%d] for bytes buffer',
138			$offset,
139			$length
140			));
141			}
142
143			return substr($this->data, $offset, $length);
144			}
145
146			/**
147			* Return the byte value of the given offset
148			* @param int $offset
149			* @return int
150			*/
151			public function getByteValue(int $offset): int
152			{
153			if ($offset < 0 \|\| $offset >= $this->length) {
154			throw new WebauthnException(sprintf(
155			'Invalid offset [%d] for bytes buffer',
156			$offset
157			));
158			}
159
160			return ord(substr($this->data, $offset, 1));
161			}
162
163			/**
164			* Return the Uint16 value of the given offset
165			* @param int $offset
166			* @return int
167			*/
168			public function getUint16Value(int $offset): int
169			{
170			if ($offset < 0 \|\| ($offset + 2) > $this->length) {
171			throw new WebauthnException(sprintf(
172			'Invalid offset [%d] for bytes buffer',
173			$offset
174			));
175			}
176
177			$data = unpack('n', $this->data, $offset);
178			if ($data === false) {
179			throw new WebauthnException('Can not unpack data for bytes buffer');
180			}
181
182			return $data[1];
183			}
184
185			/**
186			* Return the Uint32 value of the given offset
187			* @param int $offset
188			* @return int
189			*/
190			public function getUint32Value(int $offset): int
191			{
192			if ($offset < 0 \|\| ($offset + 4) > $this->length) {
193			throw new WebauthnException(sprintf(
194			'Invalid offset [%d] for bytes buffer',
195			$offset
196			));
197			}
198
199			$data = unpack('N', $this->data, $offset);
200			if ($data === false) {
201			throw new WebauthnException('Can not unpack data for bytes buffer');
202			}
203
204			// Signed integer overflow causes signed negative numbers
205			if ($data[1] < 0) {
206			throw new WebauthnException('Value out of integer range for bytes buffer');
207			}
208
209			return $data[1];
210			}
211
212			/**
213			* Return the Uint64 value of the given offset
214			* @param int $offset
215			* @return int
216			*/
217			public function getUint64Value(int $offset): int
218			{
219			// @codeCoverageIgnoreStart
220			if (PHP_INT_SIZE < 8) {
221			throw new WebauthnException('64-bit values not supported by this system');
222			}
223			// @codeCoverageIgnoreEnd
224
225			if ($offset < 0 \|\| ($offset + 8) > $this->length) {
226			throw new WebauthnException(sprintf(
227			'Invalid offset [%d] for bytes buffer',
228			$offset
229			));
230			}
231
232			$data = unpack('J', $this->data, $offset);
233			if ($data === false) {
234			throw new WebauthnException('Can not unpack data for bytes buffer');
235			}
236
237			// Signed integer overflow causes signed negative numbers
238			if ($data[1] < 0) {
239			throw new WebauthnException('Value out of integer range for bytes buffer');
240			}
241
242			return $data[1];
243			}
244
245			/**
246			* Return the half float value
247			* @param int $offset
248			* @return float
249			*/
250			public function getHalfFloatValue(int $offset): float
251			{
252			//FROM spec pseudo decode_half(unsigned char *halfp)
253			$half = $this->getUint16Value($offset);
254
255			$exp = ($half >> 10) & 0x1f;
256			$mant = $half & 0x3ff;
257
258			if ($exp === 0) {
259			$val = $mant * (2 ** -24);
260			} elseif ($exp !== 31) {
261			$val = ($mant + 1024) * (2 ** ($exp - 25));
262			} else {
263			$val = ($mant === 0) ? INF : NAN;
264			}
265
266			return ($half & 0x8000) ? -$val : $val;
267			}
268
269			/**
270			* Return the float value of the given offset
271			* @param int $offset
272			* @return float
273			*/
274			public function getFloatValue(int $offset): float
275			{
276			if ($offset < 0 \|\| ($offset + 4) > $this->length) {
277			throw new WebauthnException(sprintf(
278			'Invalid offset [%d] for bytes buffer',
279			$offset
280			));
281			}
282
283			$data = unpack('G', $this->data, $offset);
284			if ($data === false) {
285			throw new WebauthnException('Can not unpack data for bytes buffer');
286			}
287
288			return $data[1];
289			}
290
291			/**
292			* Return the double value of the given offset
293			* @param int $offset
294			* @return float
295			*/
296			public function getDoubleValue(int $offset): float
297			{
298			if ($offset < 0 \|\| ($offset + 8) > $this->length) {
299			throw new WebauthnException(sprintf(
300			'Invalid offset [%d] for bytes buffer',
301			$offset
302			));
303			}
304
305			$data = unpack('E', $this->data, $offset);
306			if ($data === false) {
307			throw new WebauthnException('Can not unpack data for bytes buffer');
308			}
309
310			return $data[1];
311			}
312
313			/**
314			* Return the hexadecimal
315			* @return string
316			*/
317			public function getHexValue(): string
318			{
319			return bin2hex($this->data);
320			}
321
322			/**
323			* Whether the buffer is empty
324			* @return bool
325			*/
326			public function isEmpty(): bool
327			{
328			return $this->length === 0;
329			}
330
331			/**
332			* Whether two buffers are equal
333			* @param ByteBuffer $data
334			* @return bool
335			*/
336			public function isEqual(ByteBuffer $data): bool
337			{
338			return $this->data === $data->getBinaryString();
339			}
340
341			/**
342			* Return the JSON data
343			* @param int $options
344			* @return mixed
345			*/
346			public function getJson(int $options = 0): mixed
347			{
348			try {
349			$data = Json::decode($this->getBinaryString(), false, 512, $options);
350			} catch (Exception $ex) {
351			throw new WebauthnException($ex->getMessage());
352			}
353
354			return $data;
355			}
356
357			/**
358			* Return the length
359			* @return int
360			*/
361			public function getLength(): int
362			{
363			return $this->length;
364			}
365
366			/**
367			* Return the binary string
368			* @return string
369			*/
370			public function getBinaryString(): string
371			{
372			return $this->data;
373			}
374
375			/**
376			*
377			* @return bool
378			*/
379			public function isUseBase64UrlEncoding(): bool
380			{
381			return $this->useBase64UrlEncoding;
382			}
383
384			/**
385			*
386			* @param bool $useBase64UrlEncoding
387			* @return $this
388			*/
389			public function useBase64UrlEncoding(bool $useBase64UrlEncoding): self
390			{
391			$this->useBase64UrlEncoding = $useBase64UrlEncoding;
392			return $this;
393			}
394
395			/**
396			* {@inheritdoc}
397			* @return mixed
398			*/
399			public function jsonSerialize(): mixed
400			{
401			if ($this->useBase64UrlEncoding) {
402			return self::base64UrlEncode($this->data);
403			}
404
405			return sprintf(
406			'=?BINARY?B?%s?=',
407			base64_encode($this->data)
408			);
409			}
410
411			/**
412			* {@inheritdoc}
413			* @return string\|null
414			*/
415			public function serialize(): ?string
416			{
417			return serialize($this->data);
418			}
419
420			/**
421			* {@inheritdoc}
422			* $param string $data
423			*/
424			public function unserialize(string $data): void
425			{
426			$value = unserialize($data);
427			if ($value === false) {
428			throw new WebauthnException('Can not unserialize the data');
429			}
430			$this->data = $value;
431			$this->length = strlen($this->data);
432			}
433
434			/**
435			* Return string representation
436			* @return string
437			*/
438			public function __toString(): string
439			{
440			return $this->getHexValue();
441			}
442
443			/**
444			* PHP 8 deprecates Serializable Interface if we don't defined this method
445			* @param array<string, mixed> $data
446			* @return void
447			*/
448			public function __unserialize(array $data)
449			{
450			if (isset($data['data'])) {
451			$value = unserialize($data['data']);
452			if ($value === false) {
453			throw new WebauthnException('Can not unserialize the data');
454			}
455
456			$this->data = $value;
457			$this->length = strlen($this->data);
458			}
459			}
460
461			/**
462			* PHP 8 deprecates Serializable Interface if we don't defined this method
463			* @return array<string, mixed>
464			*/
465			public function __serialize(): array
466			{
467			return [
468			'data' => serialize($this->data),
469			];
470			}
471
472			/**
473			* Base 64 URL decoding
474			* @param string $str
475			* @return string
476			*/
477			protected static function base64UrlDecode(string $str): string
478			{
479			$data = sprintf(
480			'%s%s',
481			strtr($str, '-_', '+/'),
482			str_repeat('=', 3 - (3 + strlen($str)) % 4)
483			);
484
485			return base64_decode($data);
486			}
487
488			/**
489			* Base 64 URL encoding
490			* @param string $str
491			* @return string
492			*/
493			protected static function base64UrlEncode(string $str): string
494			{
495			return rtrim(strtr($str, '+/', '-_'), '=');
496			}
497			}
498

platine-php / webauthn

ByteBuffer::base64UrlEncode() A last analyzed 2025-06-09 11:13 UTC

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ByteBuffer::base64UrlEncode() A
last analyzed 2025-06-09 11:13 UTC