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ahh security

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Lain Iwakura 2025-06-16 01:50:13 +03:00
parent 16e16c5490
commit a4f57efde7
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GPG Key ID: C7C18257F2ADC6F8
2 changed files with 23 additions and 10 deletions
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20
main/db.sql
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@ -24,8 +24,22 @@ CREATE TABLE users (
CREATE TABLE registrations (
id INT AUTO_INCREMENT PRIMARY KEY,
ip VARCHAR(45) NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
INDEX idx_ip_created (ip, created_at),
INDEX idx_created_at (created_at)
);
);
DELIMITER //
CREATE PROCEDURE migrate_if_needed()
BEGIN
IF EXISTS (
SELECT * FROM information_schema.columns
WHERE table_name = 'registrations' AND column_name = 'ip'
) THEN
DROP INDEX IF EXISTS idx_ip_created ON registrations;
ALTER TABLE registrations DROP COLUMN ip;
END IF;
END //
DELIMITER ;
CALL migrate_if_needed();
DROP PROCEDURE migrate_if_needed();

13
main/register.php
View File

@ -23,7 +23,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$username = filter_input(INPUT_POST, 'username', FILTER_SANITIZE_STRING);
$password = filter_input(INPUT_POST, 'password', FILTER_SANITIZE_STRING);
$pgp_key = filter_input(INPUT_POST, 'pgp_key', FILTER_SANITIZE_STRING);
$ip = $_SERVER['REMOTE_ADDR'];
if ($username && $password) {
if (strlen($username) > 50 || strlen($password) < 8 || !preg_match('/^[a-zA-Z0-9_]+$/', $username)) {
@ -31,12 +30,12 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
} else if (strlen($pgp_key) > 4096) {
$error = 'PGP key is too long';
} else {
$stmt = $db->prepare('SELECT COUNT(*) FROM registrations WHERE ip = ? AND created_at > DATE_SUB(NOW(), INTERVAL 1 HOUR)');
$stmt->execute([$ip]);
$stmt = $db->prepare('SELECT COUNT(*) FROM registrations WHERE created_at > DATE_SUB(NOW(), INTERVAL 1 HOUR)');
$stmt->execute();
$count = $stmt->fetchColumn();
if ($count >= 5) {
$error = 'Registration limit exceeded for your IP';
if ($count >= 20) {
$error = 'Registration limit exceeded';
} else {
try {
$stmt = $db->prepare('INSERT INTO users (username, password, pgp_key, login_attempts, last_attempt) VALUES (?, ?, ?, 0, NOW())');
@ -46,8 +45,8 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$pgp_key
]);
$stmt = $db->prepare('INSERT INTO registrations (ip) VALUES (?)');
$stmt->execute([$ip]);
$stmt = $db->prepare('INSERT INTO registrations () VALUES ()');
$stmt->execute();
$success = 'Registration successful';
} catch (PDOException $e) {