threadr.lostcave.ddnss.de/threadr/login/redirect.php

30 lines
1.1 KiB
PHP

<?php
session_start();
$username = $_POST['username'];
$password = $_POST['password'];
$pdo = new PDO('mysql:host=localhost;dbname=web', 'webstuff', 'Schei// auf Pa$$w0rter!');
$statement = $pdo->prepare('SELECT id, authentication_algorithm, authentication_salt, authentication_string FROM users WHERE name = :username;');
$result = $statement->execute(array('username' => $username));
if ($statement->rowCount() > 0) {
//existing user name
$dbentry = $statement->fetch();
//chechk for correct password
if ($dbentry['authentication_string'] == hash($dbentry['authentication_algorithm'], $password . $dbentry['authentication_salt'])) {
//password correct
$_SESSION['user_id'] = $dbentry['id'];
$_SESSION['user_ip'] = $_SERVER['REMOTE_ADDR']; //ip will be used to prevent session stealing
header("Location: https://lostcave.ddnss.de/common/threadr/userhome/");
} else {
//password inorrect
header("Location: https://lostcave.ddnss.de/common/threadr/login/?error=credentials");
die();
}
} else {
//wrong user name
header("Location: https://lostcave.ddnss.de/common/threadr/login/?error=credentials&1=0");
die();
}
?>