1: <?php
2:
3: declare(strict_types=1);
4:
5: /**
6: * This file is part of the Nexus MCP SDK package.
7: *
8: * (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9: *
10: * For the full copyright and license information, please view
11: * the LICENSE file that was distributed with this source code.
12: */
13:
14: namespace Nexus\Mcp\Core\Auth;
15:
16: /**
17: * What a validated bearer token grants, as reported by the host's token validator.
18: *
19: * @see https://datatracker.ietf.org/doc/html/draft-ietf-oauth-v2-1-13#section-5.2
20: */
21: final readonly class VerifiedAccessToken
22: {
23: /**
24: * PSR-7 request attribute a validated token travels on, from the middleware that checked it to the
25: * transport that puts it on the receive context.
26: */
27: public const string REQUEST_ATTRIBUTE = 'nexus.mcp.access_token';
28:
29: /**
30: * @param list<string> $audience Resources the token was issued for, at least one of which must be this server
31: * @param list<non-empty-string> $scopes Scopes the token was granted
32: * @param null|string $subject Resource owner the token acts for, absent when the client acts for itself
33: * @param null|string $clientId OAuth client the token was issued to
34: * @param null|int $expiresAt Unix timestamp the token expires at
35: */
36: public function __construct(
37: public array $audience,
38: public array $scopes = [],
39: public ?string $subject = null,
40: public ?string $clientId = null,
41: public ?int $expiresAt = null,
42: ) {
43: }
44: }
45: