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\Client\Auth;
15:
16: /**
17: * Registration store that keeps registrations for the lifetime of the process only, so a restart registers
18: * again rather than reusing an identifier it can no longer prove it owns.
19: */
20: final class InMemoryClientRegistrationStore implements ClientRegistrationStoreInterface
21: {
22: /**
23: * @var array<string, ClientRegistration>
24: */
25: private array $registrations = [];
26:
27: #[\Override]
28: public function read(string $issuer): ?ClientRegistration
29: {
30: return $this->registrations[$issuer] ?? null;
31: }
32:
33: #[\Override]
34: public function write(string $issuer, ClientRegistration $registration): void
35: {
36: $this->registrations[$issuer] = $registration;
37: }
38:
39: #[\Override]
40: public function forget(string $issuer): void
41: {
42: unset($this->registrations[$issuer]);
43: }
44: }
45: