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

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