From 45a45641d9bbc2ea0fc73357a99cbbb5f0f3d489 Mon Sep 17 00:00:00 2001
From: ilotterytea <iltsu@alright.party>
Date: Wed, 20 Aug 2025 10:04:03 +0500
Subject: feat: config.php

---
 lib/config.php | 24 ++++++++++++++++++++++++
 register.php   | 12 ++++++------
 2 files changed, 30 insertions(+), 6 deletions(-)
 create mode 100644 lib/config.php

diff --git a/lib/config.php b/lib/config.php
new file mode 100644
index 0000000..2f150bb
--- /dev/null
+++ b/lib/config.php
@@ -0,0 +1,24 @@
+<?php
+error_reporting(E_ERROR | E_PARSE);
+
+$file_path = $_SERVER['DOCUMENT_ROOT'] . '/config.ini';
+
+$c = parse_ini_file($file_path, true) ?: [];
+
+define('DB_URL', $c['database']['url'] ?? null);
+define('DB_USER', $c['database']['user'] ?? null);
+define('DB_PASS', $c['database']['pass'] ?? null);
+
+define('USERNAME_REGEX', $c['registration']['regex'] ?? '/^[a-zA-Z0-9_]+$/');
+
+define('USERNAME_LENGTH', [
+    intval($c['registration']['min_username_length']) ?: 8,
+    intval($c['registration']['max_username_length']) ?: 20,
+]);
+define('PASSWORD_LENGTH', intval($c['registration']['min_password_length']) ?: 8);
+define('USERNAME_ID_RANGE', [
+    intval($c['registration']['min_id_length']) ?: 0,
+    intval($c['registration']['max_id_length']) ?: PHP_INT_MAX
+]);
+
+define('IS_JSON_REQUEST', isset($_SERVER['HTTP_ACCEPT']) && str_contains($_SERVER['HTTP_ACCEPT'], 'application/json'));
\ No newline at end of file
diff --git a/register.php b/register.php
index 8892679..2c32e64 100644
--- a/register.php
+++ b/register.php
@@ -14,18 +14,18 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
 
     $username = trim($username);
 
-    if (!preg_match('/^[a-zA-Z0-9_]+$/', $username)) {
+    if (!preg_match(USERNAME_REGEX, $username)) {
         exit(create_alert('/register.php', 400, 'Your username must contain only letters and numbers!', null));
     }
 
     $username_len = strlen($username);
 
-    if ($username_len < 4 || $username_len > 20) {
-        exit(create_alert('/register.php', 400, 'Your username must be between 4 and 20 characters long', null));
+    if ($username_len < USERNAME_LENGTH[0] || $username_len > USERNAME_LENGTH[1]) {
+        exit(create_alert('/register.php', 400, sprintf('Your username must be between %d and %d characters long', USERNAME_LENGTH[0], USERNAME_LENGTH[1]), null));
     }
 
-    if (strlen($password) < 8) {
-        exit(create_alert('/register.php', 400, 'Your password must be at least 8 characters long', null));
+    if (strlen($password) < PASSWORD_LENGTH) {
+        exit(create_alert('/register.php', 400, sprintf('Your password must be at least %d characters long', PASSWORD_LENGTH), null));
     }
 
     $db = new PDO(DB_URL, DB_USER, DB_PASS);
@@ -39,7 +39,7 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
 
     $userid = 0;
     do {
-        $userid = random_int(90_000_000_000_000_000, 99_000_000_000_000_000);
+        $userid = random_int(USERNAME_ID_RANGE[0], USERNAME_ID_RANGE[1]);
         $stmt = $db->prepare('SELECT username FROM users WHERE id = ?');
         $stmt->execute([$userid]);
     } while ($stmt->rowCount() > 0);
-- 
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