Publiczna aplikacja fdmtech.pl: renderer CMS, formularz audytu, szablony i logotypy

app/Config.php

@@ -0,0 +1,69 @@
+<?php
+declare(strict_types=1);
+
+namespace FDMTech;
+
+final class Config
+{
+    public function __construct(private array $values, public readonly string $root) {}
+
+    public static function load(string $root): self
+    {
+        $values = [];
+        if (is_file($root . '/.env')) {
+            foreach (file($root . '/.env', FILE_IGNORE_NEW_LINES) as $line) {
+                $line = trim($line);
+                if ($line === '' || str_starts_with($line, '#')) {
+                    continue;
+                }
+                if (!preg_match('/^([A-Z][A-Z0-9_]*)=(.*)$/D', $line, $match)) {
+                    throw new \RuntimeException('Invalid environment configuration');
+                }
+                $value = trim($match[2]);
+                if (strlen($value) >= 2 && in_array($value[0], ['"', "'"], true) && $value[-1] === $value[0]) {
+                    $value = substr($value, 1, -1);
+                }
+                $values[$match[1]] = $value;
+            }
+        }
+        return new self(array_replace($values, getenv()), $root);
+    }
+
+    public function get(string $key, string $default = ''): string
+    {
+        return (string) ($this->values[$key] ?? $default);
+    }
+
+    public function bool(string $key, bool $default = false): bool
+    {
+        $raw = $this->get($key, $default ? 'true' : 'false');
+        $value = filter_var($raw, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
+        if ($value === null) {
+            throw new \RuntimeException('Invalid boolean configuration');
+        }
+        return $value;
+    }
+
+    public function number(string $key, int $default): int
+    {
+        $value = filter_var($this->get($key, (string) $default), FILTER_VALIDATE_INT);
+        if ($value === false || $value < 1 || $value > 86400) {
+            throw new \RuntimeException('Invalid rate limit configuration');
+        }
+        return $value;
+    }
+
+    public function canonical(string $path): string
+    {
+        $url = rtrim($this->get('APP_URL'), '/');
+        if ($url === '') {
+            return '';
+        }
+        if (!filter_var($url, FILTER_VALIDATE_URL) || !in_array(parse_url($url, PHP_URL_SCHEME), ['https', 'http'], true)
+            || parse_url($url, PHP_URL_USER) || parse_url($url, PHP_URL_QUERY) || parse_url($url, PHP_URL_FRAGMENT)
+            || !in_array(parse_url($url, PHP_URL_PATH), [null, '', '/'], true)) {
+            throw new \RuntimeException('Invalid APP_URL');
+        }
+        return $url . $path;
+    }
+}