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created activation page

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Thies Mueller
2021-01-09 22:50:30 +01:00
parent c2b774d804
commit 1e664e9ea4
1 changed files with 71 additions and 62 deletions
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133
activation.php
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@@ -3,80 +3,89 @@
<head>
<link rel="stylesheet" href="ressources/css/bootstrap.min.css" crossorigin="anonymous">
<title>Reset Password</title>
<title>Activate User</title>
</head>
<body>
<?php
<?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>');
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 $str;
}
if(sha1($code) != $user['passwordcode']) {
die('<div class="alert alert-danger" role="alert">
Thats not your code. Naughty user!</div>');
}
$showForm = true;
if(isset($_GET['send']) ) {
if(!isset($_POST['username']) || empty($_POST['username'])) {
$error = "<b>Enter your Username</b>";
} else {
$statement = $pdo->prepare("SELECT * FROM users WHERE username = :username");
$result = $statement->execute(array('username' => $_POST['username']));
$user = $statement->fetch();
if(isset($_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'=> $userid ));
if($user === false) {
$error = "<b>no user found</b>";
} else {
//check if theres a code already
$activationcode = random_string();
$statement = $pdo->prepare("UPDATE users SET activationcode = :activationcode, activationcode_time = NOW() WHERE id = :userid");
$result = $statement->execute(array('activationcode' => sha1($activationcode), 'userid' => $user['id']));
if($result) {
die('Changed password. Going to <a href="login.php">login</a> now.<meta http-equiv="refresh" content="1; URL=login.php">');
$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
$url_activationcode = 'https://loginpagefoo.td00.de/resetpass.php?userid='.$user['id'].'&code='.$activationcode; //this shouldnt be my domain in prod..
$text = 'Hallo '.$user['username'].',
please use the following URL to activate your account in the next 24h:
'.$url_activationcode.'
If this mail comes unsolicited, please just ignore the mail.
cheers
loginpagefoo script';
mail($mailrcpt, $mailsubject, $text, $from);
echo 'Link send. Going back to <a href="profile.php">profile</a> page. <meta http-equiv="refresh" content="0; URL=login.php">';
$showForm = false;
}
}
}
if($showForm):
?>
<h1>Activate user</h1>
Please enter your username so we can send you a link to activate your account.<br><br>
<?php
if(isset($error) && !empty($error)) {
echo $error;
}
?>
<script src="ressources/js/bootstrap.min.js"></script>
<h1>Set new password</h1>
<form action="?send=1&amp;userid=<?php echo htmlentities($userid); ?>&amp;code=<?php echo htmlentities($code); ?>" method="post">
<script src="ressources/js/bootstrap.min.js"></script>
<form action="?send=1" method="post">
<div class="form-group">
<label for="password">New Password</label>
<input type="password" id="password" class="form-control" name="password"><br><br>
</div>
<div class=form-group>
<label for="password_confirm">Confirm new Password</label>
<input type="password" id="password" class="form-control" name="password_confirm"><br><br>
</div>
<button type="submit" class="btn btn-primary">Submit new password</button>
</form>
<label for="username">Username</label>
<input type="text" name="username" id="username" class="form-control" value="<?php echo isset($_POST['username']) ? htmlentities($_POST['username']) : ''; ?>"><br>
</div>
<button type="submit" class="btn btn-primary">Activate me</button>
</form>
<?php
endif;
?>