70 lines
2.4 KiB
PHP
70 lines
2.4 KiB
PHP
<?php
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declare(strict_types=1);
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namespace FDMTech;
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final class Config
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{
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public function __construct(private array $values, public readonly string $root) {}
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public static function load(string $root): self
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{
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$values = [];
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if (is_file($root . '/.env')) {
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foreach (file($root . '/.env', FILE_IGNORE_NEW_LINES) as $line) {
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$line = trim($line);
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if ($line === '' || str_starts_with($line, '#')) {
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continue;
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}
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if (!preg_match('/^([A-Z][A-Z0-9_]*)=(.*)$/D', $line, $match)) {
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throw new \RuntimeException('Invalid environment configuration');
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}
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$value = trim($match[2]);
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if (strlen($value) >= 2 && in_array($value[0], ['"', "'"], true) && $value[-1] === $value[0]) {
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$value = substr($value, 1, -1);
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}
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$values[$match[1]] = $value;
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}
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}
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return new self(array_replace($values, getenv()), $root);
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}
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public function get(string $key, string $default = ''): string
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{
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return (string) ($this->values[$key] ?? $default);
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}
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public function bool(string $key, bool $default = false): bool
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{
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$raw = $this->get($key, $default ? 'true' : 'false');
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$value = filter_var($raw, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
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if ($value === null) {
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throw new \RuntimeException('Invalid boolean configuration');
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}
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return $value;
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}
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public function number(string $key, int $default): int
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{
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$value = filter_var($this->get($key, (string) $default), FILTER_VALIDATE_INT);
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if ($value === false || $value < 1 || $value > 86400) {
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throw new \RuntimeException('Invalid rate limit configuration');
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}
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return $value;
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}
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public function canonical(string $path): string
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{
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$url = rtrim($this->get('APP_URL'), '/');
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if ($url === '') {
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return '';
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}
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if (!filter_var($url, FILTER_VALIDATE_URL) || !in_array(parse_url($url, PHP_URL_SCHEME), ['https', 'http'], true)
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|| parse_url($url, PHP_URL_USER) || parse_url($url, PHP_URL_QUERY) || parse_url($url, PHP_URL_FRAGMENT)
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|| !in_array(parse_url($url, PHP_URL_PATH), [null, '', '/'], true)) {
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throw new \RuntimeException('Invalid APP_URL');
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}
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return $url . $path;
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}
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}
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