<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="ressources/css/bootstrap.min.css" crossorigin="anonymous">
<title>Forgot Password</title>
</head>
<body>
<?php
include 'db.inc.php';
function random_string() {
if(function_exists('random_bytes')) {
$bytes = random_bytes(16);
$str = bin2hex($bytes);
} else if(function_exists('openssl_random_pseudo_bytes')) {
$bytes = openssl_random_pseudo_bytes(16);
$str = bin2hex($bytes);
} else if(function_exists('mcrypt_create_iv')) {
$bytes = mcrypt_create_iv(16, MCRYPT_DEV_URANDOM);
$str = bin2hex($bytes);
} else {
//this should be a unique string. if we use this in prod we should change this.
$str = md5(uniqid('thisisnotreallyrandombutthisstringheresomakethislongandmaybewith12345numberskthxbye', true));
}
return $str;
}
$showForm = true;
if(isset($_GET['send']) ) {
if(!isset($_POST['email']) || empty($_POST['email'])) {
$error = "<b>Enter your email address</b>";
} else {
$statement = $pdo->prepare("SELECT * FROM users WHERE email = :email");
$result = $statement->execute(array('email' => $_POST['email']));
$user = $statement->fetch();
if($user === false) {
$error = "<b>no user found</b>";
} else {
//check if theres a code already
$passwordcode = random_string();
$statement = $pdo->prepare("UPDATE users SET passwordcode = :passwordcode, passwordcode_time = NOW() WHERE id = :userid");
$result = $statement->execute(array('passwordcode' => sha1($passwordcode), 'userid' => $user['id']));
$mailrcpt = $user['email'];
$mailsubject = "New password for your User";
$from = "From: Password Reset Service <resetmypw@loginpagefoo.td00.de>"; //place a real address if we use this in production
$url_passwordcode = 'https://loginpagefoo.td00.de/resetpass.php?userid='.$user['id'].'&code='.$passwordcode; //this shouldnt be my domain in prod..
$text = 'Hallo '.$user['username'].',
please use the following URL to change your password in the next 24h:
'.$url_passwordcode.'
If this mail comes unsolicited, please just ignore the mail.
cheers
loginpagefoo script';
mail($mailrcpt, $mailsubject, $text, $from);
echo 'Link send. Going back to <a href="login.php">login</a> page. <meta http-equiv="refresh" content="0; URL=login.php">';
$showForm = false;
}
}
}
if($showForm):
?>
<h1>Forgot Password</h1>
Please enter your email so we can send you a link to reset your password.<br><br>
<?php
if(isset($error) && !empty($error)) {
echo $error;
}
?>
<script src="ressources/js/bootstrap.min.js"></script>
<form action="?send=1" method="post">
<div class="form-group">
<label for="email">Email</label>
<input type="email" name="email" id="email" class="form-control" value="<?php echo isset($_POST['email']) ? htmlentities($_POST['email']) : ''; ?>"><br>
</div>
<button type="submit" class="btn btn-primary">Submit request</button>
</form>
<?php
endif;
?>