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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | /** |
| 5 | * SPDX-FileCopyrightText: 2026 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\Handler\SignEngine\SignEngineHandler; |
| 12 | use OCP\EventDispatcher\IEventDispatcher; |
| 13 | use OCP\Security\Events\GenerateSecurePasswordEvent; |
| 14 | use OCP\Security\ISecureRandom; |
| 15 | |
| 16 | class PfxProvider { |
| 17 | public function __construct( |
| 18 | private CertificateValidityPolicy $certificateValidityPolicy, |
| 19 | private IEventDispatcher $eventDispatcher, |
| 20 | private ISecureRandom $secureRandom, |
| 21 | ) { |
| 22 | } |
| 23 | |
| 24 | /** |
| 25 | * @return array{pfx: string, password: ?string} |
| 26 | */ |
| 27 | public function getOrGeneratePfx( |
| 28 | SignEngineHandler $engine, |
| 29 | bool $signWithoutPassword, |
| 30 | ?string $signatureMethodName, |
| 31 | string $userUniqueIdentifier, |
| 32 | string $friendlyName, |
| 33 | string $password = '', |
| 34 | ): array { |
| 35 | $effectivePassword = $password; |
| 36 | if ($signWithoutPassword) { |
| 37 | $effectivePassword = $this->generateTemporaryPassword(); |
| 38 | $expiryOverride = $this->certificateValidityPolicy->getLeafExpiryDays( |
| 39 | $signatureMethodName, |
| 40 | $signWithoutPassword, |
| 41 | ); |
| 42 | if ($expiryOverride !== null) { |
| 43 | $engine->setLeafExpiryOverrideInDays($expiryOverride); |
| 44 | } |
| 45 | try { |
| 46 | $generatedCertificate = $engine->generateCertificate( |
| 47 | [ |
| 48 | 'host' => $userUniqueIdentifier, |
| 49 | 'uid' => $userUniqueIdentifier, |
| 50 | 'name' => $friendlyName, |
| 51 | ], |
| 52 | $effectivePassword, |
| 53 | $friendlyName, |
| 54 | ); |
| 55 | } finally { |
| 56 | if ($expiryOverride !== null) { |
| 57 | $engine->setLeafExpiryOverrideInDays(null); |
| 58 | } |
| 59 | } |
| 60 | return [ |
| 61 | 'pfx' => $generatedCertificate, |
| 62 | 'password' => $effectivePassword, |
| 63 | ]; |
| 64 | } |
| 65 | |
| 66 | $uid = str_starts_with($userUniqueIdentifier, 'account:') |
| 67 | ? substr($userUniqueIdentifier, strlen('account:')) |
| 68 | : $userUniqueIdentifier; |
| 69 | |
| 70 | return [ |
| 71 | 'pfx' => $engine |
| 72 | ->setPassword($effectivePassword) |
| 73 | ->getPfxOfCurrentSigner($uid), |
| 74 | 'password' => $effectivePassword !== '' ? $effectivePassword : null, |
| 75 | ]; |
| 76 | } |
| 77 | |
| 78 | private function generateTemporaryPassword(): string { |
| 79 | $passwordEvent = new GenerateSecurePasswordEvent(); |
| 80 | $this->eventDispatcher->dispatchTyped($passwordEvent); |
| 81 | return $passwordEvent->getPassword() ?? $this->secureRandom->generate(20); |
| 82 | } |
| 83 | } |