dbFields = array(
self::IMAP_SERVER_DB_FIELD=>'',
self::IMAP_ENCRYPTION_DB_FIELD=>'ssl',
);
}
public function form()
{
global $L;
$html = '
';
$html .= $this->description();
$html .= '
';
$html .= '
';
$html .= '';
$html .= '';
$html .= '
';
$html .= '
';
$html .= '';
$html .= '';
$html .= '
';
return $html;
}
/**
* Before validating user, check if exists.
* If not and the user name is an email
* and has an IMAP account create one.
* @throws Exception
*/
public function beforeVerifyUser()
{
$username = $_POST['username'];
$password = $_POST['password'];
if (false === filter_var($username, FILTER_VALIDATE_EMAIL)) {
return;
}
try {
new User($username);
} catch (Exception $e) {
$this->createUser($username, $password);
}
}
/**
* Validate user using IMAP
* @throws Exception
*/
public function afterVerifyUser()
{
$username = $_POST['username'];
$password = $_POST['password'];
if (!$this->authenticateUser($this->getValue(self::IMAP_SERVER_DB_FIELD), $this->getValue(self::IMAP_ENCRYPTION_DB_FIELD), $username, $password)) {
return;
}
$user = new User($username);
$loginClass = new login();
$loginClass->setLogin($username, $user->role());
Log::set(__METHOD__.LOG_SEP.'Successful user login using IMAP - Username ['.$username.']');
}
/**
* @param $mailbox
* @param $encryption
* @param $username User's mail address
* @param $password
* @return bool
*/
private function authenticateUser($mailbox, $encryption, $username, $password)
{
if (!function_exists('imap_open')) {
Log::set(__METHOD__.LOG_SEP.'ERROR: PHP imap extension is not installed');
}
// Replace escaped @ symbol in uid (which is a mail address)
// but only if there is no @ symbol and if there is a %40 inside the uid
if (!(strpos($username, '@') !== false) && (strpos($username, '%40') !== false)) {
$username = str_replace("%40","@",$username);
}
$imapConnection = @imap_open("{{$mailbox}/imap/{$encryption}}INBOX", $username, $password, OP_HALFOPEN, 1);
$imapErrors = imap_errors();
$imapAlerts = imap_alerts();
if (!empty($imapErrors)) {
Log::set(__METHOD__.LOG_SEP."IMAP Error:\n".print_r($imapErrors, true));
}
if (!empty($imapAlerts)) {
Log::set(__METHOD__.LOG_SEP."WARNING: IMAP Warning:\n".print_r($imapAlerts, true));
}
if($imapConnection !== false) {
imap_close($imapConnection);
return true;
}
return false;
}
/**
* @param $username User's mail address
* @param $password
* @throws Exception
*/
private function createUser($username, $password)
{
global $users;
if (!$this->authenticateUser($this->getValue(self::IMAP_SERVER_DB_FIELD), $this->getValue(self::IMAP_ENCRYPTION_DB_FIELD), $username, $password)) {
return;
}
$usersClass = new Users();
$usersClass->add(array(
'username' => $username,
'password' => '',
'email' => $username,
'nickname' => explode('@', $username)[0]
));
$users = new Users();
$user = new User($username);
$loginClass = new Login();
$loginClass->setLogin($username, $user->role());
Log::set(__METHOD__.LOG_SEP.'Successful user creation using IMAP - Username ['.$username.']');
}
}