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Daniel Winzen
2022-05-15 21:39:39 +02:00
commit 81a6b562b6
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<?php
use Egulias\EmailValidator\EmailValidator;
use Egulias\EmailValidator\Validation\NoRFCWarningsValidation;
require_once( '../vendor/autoload.php' );
require_once( '../common_config.php' );
session_start();
if ( empty( $_SESSION[ 'csrf_token' ] ) || $_SESSION[ 'UA' ] !== $_SERVER[ 'HTTP_USER_AGENT' ] ) {
$_SESSION[ 'csrf_token' ] = sha1( uniqid() );
$_SESSION[ 'UA' ] = $_SERVER[ 'HTTP_USER_AGENT' ];
}
$msg = '';
if ( isset( $_POST[ 'user' ] ) ) {
$ok = true;
if ( $_SESSION[ 'csrf_token' ] !== $_POST[ 'csrf_token' ] ?? '' ) {
$ok = false;
$msg .= '<div class="red" role="alert">Invalid csfr token</div>';
}
if ( ! check_captcha( $_POST[ 'challenge' ] ?? '', $_POST[ 'captcha' ] ?? '' ) ) {
$ok = false;
$msg .= '<div class="red" role="alert">Invalid captcha</div>';
}
$db = get_db_instance();
if ( ! preg_match( '/^([^+\/\'"]+?)(@([^@]+))?$/iu', $_POST[ 'user' ], $match ) ) {
$ok = false;
$msg .= '<div class="red" role="alert">Invalid username. It may not contain a +, \', " or /.</div>';
}
$user = mb_strtolower( $match[ 1 ] ?? '' );
$domain = $match[ 3 ] ?? 'danwin1210.de';
if ( $ok && ( empty( $_POST[ 'pwd' ] ) || empty( $_POST[ 'pwd2' ] ) || $_POST[ 'pwd' ] !== $_POST[ 'pwd2' ] ) ) {
$ok = false;
$msg .= '<div class="red" role="alert">Passwords empty or don\'t match</div>';
} elseif ( $ok ) {
$stmt = $db->prepare( 'SELECT target_domain FROM alias_domain WHERE alias_domain = ? AND active=1;' );
$stmt->execute( [ $domain ] );
if ( $tmp = $stmt->fetch( PDO::FETCH_ASSOC ) ) {
$domain = $tmp[ 'target_domain' ];
}
$stmt = $db->prepare( 'SELECT null FROM domain WHERE domain = ? AND active = 1;' );
$stmt->execute( [ $domain ] );
if ( ! $stmt->fetch() ) {
$ok = false;
$msg .= '<div class="red" role="alert">The domain you specified is not allowed</div>';
} else {
$validator = new EmailValidator();
if ( ! $validator->isValid( "$user@$domain", new NoRFCWarningsValidation() ) ) {
$ok = false;
$msg .= '<div class="red" role="alert">The email address you specified is not valid</div>';
}
}
}
if ( $ok ) {
$stmt = $db->prepare( 'SELECT null FROM mailbox WHERE username = ? UNION SELECT null FROM alias WHERE address = ?;' );
$stmt->execute( [ "$user@$domain", "$user@$domain" ] );
if ( $stmt->fetch() ) {
$ok = false;
$msg .= '<div class="red" role="alert">Sorry, this user already exists</div>';
}
if ( $ok ) {
$hash = password_hash( $_POST[ 'pwd' ], PASSWORD_ARGON2ID );
$stmt = $db->prepare( 'INSERT INTO alias (address, goto, domain, created, modified) VALUES (?, ?, ?, NOW(), NOW());' );
$stmt->execute( [ "$user@$domain", "$user@$domain", $domain ] );
$stmt = $db->prepare( 'INSERT INTO mailbox (username, password, quota, local_part, domain, created, modified, password_hash_type, openpgpkey_wkd) VALUES(?, ?, 51200000, ?, ?, NOW(), NOW(), ?, ?);' );
$stmt->execute( [ "$user@$domain", $hash, $user, $domain, '{ARGON2ID}', z_base32_encode( hash( 'sha1', mb_strtolower( $user ), true ) ) ] );
$msg .= '<div class="green" role="alert">Successfully created new mailbox!</div>';
}
}
}
?>
<!DOCTYPE html>
<html lang="en-gb">
<head>
<title>Daniel - E-Mail and XMPP - Register</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="author" content="Daniel Winzen">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="Register for a free and anonymous E-Mail address and an XMPP/Jabber account">
<link rel="canonical" href="https://danwin1210.de/mail/register.php">
</head>
<body>
<main>
<p><a href="/mail/">Info</a> | Register | <a href="/mail/squirrelmail/src/login.php" target="_blank">Webmail-Login</a> |
<a href="/mail/manage_account.php">Manage account</a></p>
<?php echo "<p>$msg</p>"; ?>
<form class="form_limit" action="register.php" method="post"><input type="hidden" name="csrf_token"
value="<?php echo $_SESSION[ 'csrf_token' ] ?>">
<div class="row">
<div class="col"><label for="user">Username</label></div>
<div class="col"><input type="text" name="user" id="user" autocomplete="username" required
value="<?php echo htmlspecialchars( $_POST[ 'user' ] ?? '' ); ?>"></div>
</div>
<div class="row">
<div class="col"><label for="pwd">Password</label></div>
<div class="col"><input type="password" name="pwd" id="pwd" autocomplete="new-password" required></div>
</div>
<div class="row">
<div class="col"><label for="pwd2">Password again</label></div>
<div class="col"><input type="password" name="pwd2" id="pwd2" autocomplete="new-password" required></div>
</div>
<div class="row">
<div class="col"><label for="accept_privacy">I have read and agreed to the <a href="/privacy.php"
target="_blank">Privacy Policy</a></label>
</div>
<div class="col"><input type="checkbox" id="accept_privacy" name="accept_privacy" required></div>
</div>
<?php send_captcha(); ?>
<div class="row">
<div class="col">
<button type="submit">Register</button>
</div>
</div>
</form>
</main>
</body>
</html>