primo commit

libraries/vendor/web-token/jwt-library/Encryption/JWETokenSupport.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Encryption;
+
+use Jose\Component\Checker\TokenTypeSupport;
+use Jose\Component\Core\JWT;
+
+final class JWETokenSupport implements TokenTypeSupport
+{
+    public function supports(JWT $jwt): bool
+    {
+        return $jwt instanceof JWE;
+    }
+
+    /**
+     * @param array<string, mixed> $protectedHeader
+     * @param array<string, mixed> $unprotectedHeader
+     */
+    public function retrieveTokenHeaders(JWT $jwt, int $index, array &$protectedHeader, array &$unprotectedHeader): void
+    {
+        if (! $jwt instanceof JWE) {
+            return;
+        }
+        $protectedHeader = $jwt->getSharedProtectedHeader();
+        $unprotectedHeader = $jwt->getSharedHeader();
+        $recipient = $jwt->getRecipient($index)
+            ->getHeader();
+
+        $unprotectedHeader = array_merge($unprotectedHeader, $recipient);
+    }
+}