first commit

libraries/vendor/web-token/jwt-signature-algorithm-hmac/HMAC.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Signature\Algorithm;
+
+use function in_array;
+use InvalidArgumentException;
+use function is_string;
+use Jose\Component\Core\JWK;
+use ParagonIE\ConstantTime\Base64UrlSafe;
+
+abstract class HMAC implements MacAlgorithm
+{
+    public function allowedKeyTypes(): array
+    {
+        return ['oct'];
+    }
+
+    public function verify(JWK $key, string $input, string $signature): bool
+    {
+        return hash_equals($this->hash($key, $input), $signature);
+    }
+
+    public function hash(JWK $key, string $input): string
+    {
+        $k = $this->getKey($key);
+
+        return hash_hmac($this->getHashAlgorithm(), $input, $k, true);
+    }
+
+    protected function getKey(JWK $key): string
+    {
+        if (! in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
+            throw new InvalidArgumentException('Wrong key type.');
+        }
+        if (! $key->has('k')) {
+            throw new InvalidArgumentException('The key parameter "k" is missing.');
+        }
+        $k = $key->get('k');
+        if (! is_string($k)) {
+            throw new InvalidArgumentException('The key parameter "k" is invalid.');
+        }
+
+        return Base64UrlSafe::decode($k);
+    }
+
+    abstract protected function getHashAlgorithm(): string;
+}

libraries/vendor/web-token/jwt-signature-algorithm-hmac/HS256.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Signature\Algorithm;
+
+use InvalidArgumentException;
+use Jose\Component\Core\JWK;
+
+final class HS256 extends HMAC
+{
+    public function name(): string
+    {
+        return 'HS256';
+    }
+
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha256';
+    }
+
+    protected function getKey(JWK $key): string
+    {
+        $k = parent::getKey($key);
+        if (mb_strlen($k, '8bit') < 32) {
+            throw new InvalidArgumentException('Invalid key length.');
+        }
+
+        return $k;
+    }
+}

libraries/vendor/web-token/jwt-signature-algorithm-hmac/HS384.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Signature\Algorithm;
+
+use InvalidArgumentException;
+use Jose\Component\Core\JWK;
+
+final class HS384 extends HMAC
+{
+    public function name(): string
+    {
+        return 'HS384';
+    }
+
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha384';
+    }
+
+    protected function getKey(JWK $key): string
+    {
+        $k = parent::getKey($key);
+        if (mb_strlen($k, '8bit') < 48) {
+            throw new InvalidArgumentException('Invalid key length.');
+        }
+
+        return $k;
+    }
+}

libraries/vendor/web-token/jwt-signature-algorithm-hmac/HS512.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Signature\Algorithm;
+
+use InvalidArgumentException;
+use Jose\Component\Core\JWK;
+
+final class HS512 extends HMAC
+{
+    public function name(): string
+    {
+        return 'HS512';
+    }
+
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha512';
+    }
+
+    protected function getKey(JWK $key): string
+    {
+        $k = parent::getKey($key);
+        if (mb_strlen($k, '8bit') < 64) {
+            throw new InvalidArgumentException('Invalid key length.');
+        }
+
+        return $k;
+    }
+}

libraries/vendor/web-token/jwt-signature-algorithm-hmac/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014-2019 Spomky-Labs
+
+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.