cleaned up composer

vendor/web-token/jwt-library/Encryption/Algorithm/KeyEncryption/AESKW.php

@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Encryption\Algorithm\KeyEncryption;
+
+use AESKW\Wrapper as WrapperInterface;
+use InvalidArgumentException;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\Util\Base64UrlSafe;
+use Override;
+use RuntimeException;
+use function in_array;
+use function is_string;
+
+abstract readonly class AESKW implements KeyWrapping
+{
+    public function __construct()
+    {
+        if (! interface_exists(WrapperInterface::class)) {
+            throw new RuntimeException('Please install "spomky-labs/aes-key-wrap" to use AES-KW algorithms');
+        }
+    }
+
+    #[Override]
+    public function allowedKeyTypes(): array
+    {
+        return ['oct'];
+    }
+
+    /**
+     * @param array<string, mixed> $completeHeader
+     * @param array<string, mixed> $additionalHeader
+     */
+    #[Override]
+    public function wrapKey(JWK $key, string $cek, array $completeHeader, array &$additionalHeader): string
+    {
+        $k = $this->getKey($key);
+        $wrapper = $this->getWrapper();
+
+        return $wrapper::wrap($k, $cek);
+    }
+
+    /**
+     * @param array<string, mixed> $completeHeader
+     */
+    #[Override]
+    public function unwrapKey(JWK $key, string $encrypted_cek, array $completeHeader): string
+    {
+        $k = $this->getKey($key);
+        $wrapper = $this->getWrapper();
+
+        return $wrapper::unwrap($k, $encrypted_cek);
+    }
+
+    #[Override]
+    public function getKeyManagementMode(): string
+    {
+        return self::MODE_WRAP;
+    }
+
+    abstract protected function getWrapper(): WrapperInterface;
+
+    private 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::decodeNoPadding($k);
+    }
+}