/**
* Generates a secure key for the provided user
* @param zibo\library\security\model\User $user The user to get the key of
* @return string The secure key for the provided user
*/
protected function getUserKey(User $user)
{
$key = $user->getUserId();
$key .= '-' . $user->getUserName();
$key .= '-' . $user->getUserEmail();
return md5($key);
}
/**
* Checks if the provided user is uniquely authenticated
* @param zibo\library\security\model\User $user
* @return boolean True If the authentication is unique, false otherwise
*/
protected function isUniqueAuthentication(User $user)
{
$string = $this->getAuthentificationString();
if (!$string) {
return true;
}
if (strpos($string, ':') === false) {
return false;
}
list($identifier, $token) = explode(':', $string);
if (!(ctype_alnum($identifier) && ctype_alnum($token))) {
return false;
}
$userToken = $user->getUserPreference(self::PREFERENCE_TOKEN);
$userTimeout = $user->getUserPreference(self::PREFERENCE_TIMEOUT);
$userIdentifier = $this->getIdentifier($user->getUserName());
$now = time();
if (!($userToken == $token && $userTimeout > $now && $userIdentifier == $identifier)) {
return false;
}
return true;
}