Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
95.45% |
21 / 22 |
|
80.00% |
4 / 5 |
CRAP | |
0.00% |
0 / 1 |
| TsaValidationService | |
95.45% |
21 / 22 |
|
80.00% |
4 / 5 |
13 | |
0.00% |
0 / 1 |
| __construct | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| validateConfiguration | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
2 | |||
| getTsaUrl | |
100.00% |
3 / 3 |
|
100.00% |
1 / 1 |
1 | |||
| validateTsaUrlFormat | |
87.50% |
7 / 8 |
|
0.00% |
0 / 1 |
5.05 | |||
| validateTsaHostResolution | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
4 | |||
| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | /** |
| 5 | * SPDX-FileCopyrightText: 2024 LibreCode coop and contributors |
| 6 | * SPDX-License-Identifier: AGPL-3.0-or-later |
| 7 | */ |
| 8 | |
| 9 | namespace OCA\Libresign\Service; |
| 10 | |
| 11 | use OCA\Libresign\Exception\LibresignException; |
| 12 | use OCA\Libresign\Service\Policy\PolicyService; |
| 13 | use OCA\Libresign\Service\Policy\Provider\Tsa\TsaPolicy; |
| 14 | use OCA\Libresign\Service\Policy\Provider\Tsa\TsaPolicyValue; |
| 15 | |
| 16 | class TsaValidationService { |
| 17 | public function __construct( |
| 18 | private PolicyService $policyService, |
| 19 | ) { |
| 20 | } |
| 21 | |
| 22 | /** |
| 23 | * Validate TSA configuration |
| 24 | * |
| 25 | * @throws LibresignException if TSA is misconfigured |
| 26 | */ |
| 27 | public function validateConfiguration(): void { |
| 28 | $tsaUrl = $this->getTsaUrl(); |
| 29 | if (empty($tsaUrl)) { |
| 30 | return; |
| 31 | } |
| 32 | |
| 33 | $this->validateTsaUrlFormat($tsaUrl); |
| 34 | $this->validateTsaHostResolution($tsaUrl); |
| 35 | } |
| 36 | |
| 37 | private function getTsaUrl(): string { |
| 38 | $rawPolicyValue = $this->policyService->resolve(TsaPolicy::KEY)->getEffectiveValue(); |
| 39 | $decoded = TsaPolicyValue::decode($rawPolicyValue); |
| 40 | return $decoded['url']; |
| 41 | } |
| 42 | |
| 43 | private function validateTsaUrlFormat(string $tsaUrl): void { |
| 44 | $tsaUrlParsed = parse_url($tsaUrl); |
| 45 | |
| 46 | $scheme = $tsaUrlParsed['scheme'] ?? ''; |
| 47 | if ($scheme !== '' && !in_array(strtolower($scheme), ['http', 'https'], true)) { |
| 48 | throw new LibresignException('TSA URL must use HTTP or HTTPS protocol: ' . $tsaUrl); |
| 49 | } |
| 50 | |
| 51 | if (!filter_var($tsaUrl, FILTER_VALIDATE_URL)) { |
| 52 | throw new LibresignException('Invalid TSA URL format: ' . $tsaUrl); |
| 53 | } |
| 54 | |
| 55 | if (!isset($tsaUrlParsed['host'])) { |
| 56 | throw new LibresignException('Invalid TSA URL: ' . $tsaUrl); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | private function validateTsaHostResolution(string $tsaUrl): void { |
| 61 | $host = (string)parse_url($tsaUrl, PHP_URL_HOST); |
| 62 | |
| 63 | if (filter_var($host, FILTER_VALIDATE_IP)) { |
| 64 | return; |
| 65 | } |
| 66 | |
| 67 | if (!@gethostbyname($host) || gethostbyname($host) === $host) { |
| 68 | throw new LibresignException('Timestamp Authority (TSA) service is unavailable. Check DNS/network/firewall connectivity from this server: ' . $tsaUrl); |
| 69 | } |
| 70 | } |
| 71 | } |