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<?php
/*
* Copyright 2013 Florian "Bluewind" Pritz <bluewind@server-speed.net>
*
* Licensed under AGPLv3
* (see COPYING for full license text)
*
*/
abstract class Duser_Driver extends CI_Driver {
// List of optional functions that are implemented
//
// Possible values are:
// - can_register_new_users (only supported with the DB driver!)
// - can_reset_password (only supported with the DB driver!)
// - can_change_email (only supported with the DB driver!)
public $optional_functions = array();
/*
* The returned array should contain the following keys:
* - username string
* - userid INT > 0
*
* @param username
* @param password
* @return mixed array on success, false on failure
*/
abstract public function login($username, $password);
/*
* @param username
* @return boolean true is username exists, false otherwise
*/
public function username_exists($username) {
return null;
}
/*
* @param userid
* @return string email address of the user
*/
public function get_email($userid) {
return null;
}
}
class Duser extends CI_Driver_Library {
protected $_adapter = null;
protected $valid_drivers = array(
'db', 'ldap', 'fluxbb'
);
function __construct()
{
$CI =& get_instance();
$this->_adapter = $CI->config->item("authentication_driver");
}
// require an optional function to be implemented
public function require_implemented($function) {
if (!$this->is_implemented($function)) {
throw new \exceptions\PublicApiException("libraries/duser/optional-function-not-implemented", ""
."Optional function '".$function."' not implemented in user adapter '".$this->_adapter."'. "
."Requested functionally unavailable.");
}
}
// check if an optional function is implemented
public function is_implemented($function) {
if (in_array($function, $this->{$this->_adapter}->optional_functions)) {
return true;
}
return false;
}
public function login($username, $password)
{
$login_info = $this->{$this->_adapter}->login($username, $password);
if ($login_info === false) {
return false;
}
$CI =& get_instance();
$CI->session->set_userdata(array(
'logged_in' => true,
'username' => $login_info["username"],
'userid' => $login_info["userid"],
'access_level' => 'full',
));
return true;
}
public function username_exists($username)
{
if ($username === false) {
return false;
}
return $this->{$this->_adapter}->username_exists($username);
}
public function get_email($userid)
{
return $this->{$this->_adapter}->get_email($userid);
}
public function test_login_credentials($username, $password)
{
$login_info = $this->{$this->_adapter}->login($username, $password);
if (isset($login_info['username']) && $login_info['username'] === $username) {
return true;
}
return false;
}
}
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