<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="ressources/css/bootstrap.min.css" crossorigin="anonymous">
<title>Reset Password</title>
</head>
<body>
<?php
$pdo = new PDO('mysql:host=localhost;dbname=usertable', 'usertable', 'password');
if(!isset($_GET['userid']) || !isset($_GET['code'])) {
die('<div class="alert alert-warning" role="alert">No code delivered. nothing to do here.</div>');
}
$userid = $_GET['userid'];
$code = $_GET['code'];
$statement = $pdo->prepare("SELECT * FROM users WHERE id = :userid");
$result = $statement->execute(array('userid' => $userid));
$user = $statement->fetch();
//check if theres a code for the user delivered
if($user === null || $user['passwordcode'] === null) {
die('<div class="alert alert-danger" role="alert">
No User matching your request.</div>');
}
if($user['passwordcode_time'] === null || strtotime($user['passwordcode_time']) < (time()-24*3600) ) {
die('<div class="alert alert-danger" role="alert">
Ooops. This code isnt valid anymore.</div>');
}
if(sha1($code) != $user['passwordcode']) {
die('<div class="alert alert-danger" role="alert">
Thats not your code. Naughty user!</div>');
}
if(isset($_GET['send'])) {
$password = $_POST['password'];
$password_confirm = $_POST['password_confirm'];
//regexes for passvalidation:
$REuppercase = preg_match('@[A-Z]@', $password);
$RElowercase = preg_match('@[a-z]@', $password);
$REnumber = preg_match('@[0-9]@', $password);
$REspecialChars = preg_match('@[^\w]@', $password);
if($password != $password_confirm) {
echo "password or confirmed password wrong";
}
if(!$REuppercase || !$RElowercase || !$REnumber || !$REspecialChars || strlen($password) < 8) {
echo '<color="red">Password needs to be more complex.</color><br />';
echo '<i>Please implement at least 8 chars, upper & downer caser, one number & one special char.</i><br />';
$error = true;
} else {
$passwordhash = password_hash($password, PASSWORD_DEFAULT);
$statement = $pdo->prepare("UPDATE users SET password = :passwordhash, passwordcode = NULL, passwordcode_time = NULL WHERE id = :userid");
$result = $statement->execute(array('passwordhash' => $passwordhash, 'userid'=> $userid ));
if($result) {
die('Changed password. Going to <a href="login.php">login</a> now.<meta http-equiv="refresh" content="1; URL=login.php">');
}
}
}
?>
<script src="ressources/js/bootstrap.min.js"></script>
<h1>Set new password</h1>
<form action="?send=1&userid=<?php echo htmlentities($userid); ?>&code=<?php echo htmlentities($code); ?>" method="post">
<div class="form-group">
<label for="password">New Password</label>
<input type="password" id="password" class="form-control" name="password"><br><br>
</div>
<div class=form-group>
<label for="password_confirm">Confirm new Password</label>
<input type="password" id="password" class="form-control" name="password_confirm"><br><br>
</div>
<button type="submit" class="btn btn-primary">Submit new password</button>
</form>