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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Core\Api\Domain\Model; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use DateTimeImmutable; |
| 12 | |
| 13 | /** |
| 14 | * Scoped API Key Domain Entity. |
| 15 | * |
| 16 | * Represents an authenticated API client identity with granular permission scopes, |
| 17 | * rate limit thresholds, and expiration lifecycle (NIST SP 800-63B / OWASP ASVS V2.10). |
| 18 | * |
| 19 | * @package App\Core\Api\Domain\Model |
| 20 | */ |
| 21 | final readonly class ApiKey |
| 22 | { |
| 23 | /** |
| 24 | * ApiKey constructor. |
| 25 | * |
| 26 | * @param int $id Primary database key. |
| 27 | * @param string $name Human-readable client/application name. |
| 28 | * @param string $keyPrefix Public prefix for fast lookup. |
| 29 | * @param string $keyHash Cryptographic hash of the API key secret. |
| 30 | * @param list<string> $scopes Granted API capability scopes. |
| 31 | * @param int $rateLimit Allowed requests per minute threshold. |
| 32 | * @param DateTimeImmutable|null $expiresAt Optional expiration timestamp. |
| 33 | * @param DateTimeImmutable|null $lastUsedAt Optional last activity timestamp. |
| 34 | * @param bool $isActive Whether key is active and enabled. |
| 35 | */ |
| 36 | public function __construct( |
| 37 | public int $id, |
| 38 | public string $name, |
| 39 | public string $keyPrefix, |
| 40 | public string $keyHash, |
| 41 | public array $scopes = ['*'], |
| 42 | public int $rateLimit = 120, |
| 43 | public ?DateTimeImmutable $expiresAt = null, |
| 44 | public ?DateTimeImmutable $lastUsedAt = null, |
| 45 | public bool $isActive = true, |
| 46 | ) { |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Checks if the API key grants the requested scope. |
| 51 | * |
| 52 | * @param string $scope Requested capability scope (e.g. 'engine:read', 'mail:send'). |
| 53 | * @return bool True if granted or if wildcard '*' is present. |
| 54 | */ |
| 55 | public function hasScope(string $scope): bool |
| 56 | { |
| 57 | if (in_array('*', $this->scopes, true)) { |
| 58 | return true; |
| 59 | } |
| 60 | |
| 61 | return in_array($scope, $this->scopes, true); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Checks if the API key is currently active and not expired. |
| 66 | * |
| 67 | * @param DateTimeImmutable|null $now Optional reference time. |
| 68 | * @return bool True if key can be used. |
| 69 | */ |
| 70 | public function isValid(?DateTimeImmutable $now = null): bool |
| 71 | { |
| 72 | if (!$this->isActive) { |
| 73 | return false; |
| 74 | } |
| 75 | |
| 76 | if ($this->expiresAt === null) { |
| 77 | return true; |
| 78 | } |
| 79 | |
| 80 | $currentTime = $now ?? new DateTimeImmutable(); |
| 81 | |
| 82 | return $this->expiresAt > $currentTime; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Verifies raw token against stored cryptographic hash in constant time. |
| 87 | * |
| 88 | * @param string $rawToken Raw bearer token from HTTP Authorization header. |
| 89 | * @return bool True if matching. |
| 90 | */ |
| 91 | public function verifySecret(string $rawToken): bool |
| 92 | { |
| 93 | $computedHash = hash('sha256', $rawToken); |
| 94 | |
| 95 | return hash_equals($this->keyHash, $computedHash); |
| 96 | } |
| 97 | } |