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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Config; |
| 6 | |
| 7 | use Cosray\Exception\InvalidEnvironment; |
| 8 | |
| 9 | use function Cosray\env; |
| 10 | |
| 11 | final class Env |
| 12 | { |
| 13 | /** @var list<string> */ |
| 14 | private const BOOLEAN = ['APP_DEBUG', 'SITE_SESSION_ENABLED', 'SESSION_COOKIE_SECURE']; |
| 15 | |
| 16 | /** @var list<string> */ |
| 17 | private const INTEGER = [ |
| 18 | 'AUTH_REMEMBER_LIFETIME', |
| 19 | 'SESSION_COOKIE_LIFETIME', |
| 20 | 'SESSION_IDLE_TIMEOUT', |
| 21 | ]; |
| 22 | |
| 23 | public static function load(): self |
| 24 | { |
| 25 | return new self(); |
| 26 | } |
| 27 | |
| 28 | /** @param non-empty-string|list<non-empty-string> $variables */ |
| 29 | public function require(string|array $variables): void |
| 30 | { |
| 31 | $missing = array_filter((array) $variables, static fn(string $key): bool => env($key) === null); |
| 32 | |
| 33 | if ($missing !== []) { |
| 34 | throw new InvalidEnvironment( |
| 35 | 'Missing required environment variable(s): ' . implode(', ', $missing), |
| 36 | ); |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | public function validate(): void |
| 41 | { |
| 42 | foreach (self::BOOLEAN as $key) { |
| 43 | $value = env($key); |
| 44 | |
| 45 | if ($value !== null && !self::isBoolean($value)) { |
| 46 | throw new InvalidEnvironment("Environment variable {$key} must be a boolean."); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | foreach (self::INTEGER as $key) { |
| 51 | $value = env($key); |
| 52 | |
| 53 | if ($value !== null && !self::isInteger($value)) { |
| 54 | throw new InvalidEnvironment("Environment variable {$key} must be an integer."); |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | public function string(string $key, ?string $default = null): ?string |
| 60 | { |
| 61 | $value = env($key, $default); |
| 62 | |
| 63 | return $value === null ? null : (string) $value; |
| 64 | } |
| 65 | |
| 66 | public function bool(string $key, bool $default): bool |
| 67 | { |
| 68 | return filter_var(env($key, $default), FILTER_VALIDATE_BOOL); |
| 69 | } |
| 70 | |
| 71 | public function int(string $key, int $default): int |
| 72 | { |
| 73 | return (int) env($key, $default); |
| 74 | } |
| 75 | |
| 76 | private static function isBoolean(mixed $value): bool |
| 77 | { |
| 78 | if (is_bool($value)) { |
| 79 | return true; |
| 80 | } |
| 81 | |
| 82 | return ( |
| 83 | is_string($value) |
| 84 | && in_array(strtolower($value), ['1', '0', 'true', 'false', 'on', 'off', 'yes', 'no'], true) |
| 85 | ); |
| 86 | } |
| 87 | |
| 88 | private static function isInteger(mixed $value): bool |
| 89 | { |
| 90 | return is_int($value) || is_string($value) && ctype_digit($value); |
| 91 | } |
| 92 | } |