First Commit

dblocal/vendor/web-auth/webauthn-lib/src/AttestationStatement/NoneAttestationStatementSupport.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2021 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Webauthn\AttestationStatement;
+
+use Assert\Assertion;
+use function count;
+use Webauthn\AuthenticatorData;
+use Webauthn\TrustPath\EmptyTrustPath;
+
+final class NoneAttestationStatementSupport implements AttestationStatementSupport
+{
+    public function name(): string
+    {
+        return 'none';
+    }
+
+    /**
+     * @param mixed[] $attestation
+     */
+    public function load(array $attestation): AttestationStatement
+    {
+        Assertion::noContent($attestation['attStmt'], 'Invalid attestation object');
+
+        return AttestationStatement::createNone($attestation['fmt'], $attestation['attStmt'], new EmptyTrustPath());
+    }
+
+    public function isValid(string $clientDataJSONHash, AttestationStatement $attestationStatement, AuthenticatorData $authenticatorData): bool
+    {
+        return 0 === count($attestationStatement->getAttStmt());
+    }
+}