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PK�=�[�w�� � Authentication.phpnu�[���<?php
/**
* Joomla! Content Management System
*
* @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All
rights reserved.
* @license GNU General Public License version 2 or later; see
LICENSE.txt
*/
namespace Joomla\CMS\Authentication;
defined('JPATH_PLATFORM') or die;
use Joomla\CMS\Plugin\PluginHelper;
/**
* Authentication class, provides an interface for the Joomla
authentication system
*
* @since 1.7.0
*/
class Authentication extends \JObject
{
// Shared success status
/**
* This is the status code returned when the authentication is success
(permit login)
*
* @var integer
* @since 1.7.0
*/
const STATUS_SUCCESS = 1;
// These are for authentication purposes (username and password is valid)
/**
* Status to indicate cancellation of authentication (unused)
*
* @var integer
* @since 1.7.0
*/
const STATUS_CANCEL = 2;
/**
* This is the status code returned when the authentication failed
(prevent login if no success)
*
* @var integer
* @since 1.7.0
*/
const STATUS_FAILURE = 4;
// These are for authorisation purposes (can the user login)
/**
* This is the status code returned when the account has expired (prevent
login)
*
* @var integer
* @since 1.7.0
*/
const STATUS_EXPIRED = 8;
/**
* This is the status code returned when the account has been denied
(prevent login)
*
* @var integer
* @since 1.7.0
*/
const STATUS_DENIED = 16;
/**
* This is the status code returned when the account doesn't exist
(not an error)
*
* @var integer
* @since 1.7.0
*/
const STATUS_UNKNOWN = 32;
/**
* An array of Observer objects to notify
*
* @var array
* @since 3.0.0
*/
protected $observers = array();
/**
* The state of the observable object
*
* @var mixed
* @since 3.0.0
*/
protected $state = null;
/**
* A multi dimensional array of [function][] = key for observers
*
* @var array
* @since 3.0.0
*/
protected $methods = array();
/**
* @var Authentication Authentication instances container.
* @since 1.7.3
*/
protected static $instance;
/**
* Constructor
*
* @since 1.7.0
*/
public function __construct()
{
$isLoaded = PluginHelper::importPlugin('authentication');
if (!$isLoaded)
{
\JLog::add(\JText::_('JLIB_USER_ERROR_AUTHENTICATION_LIBRARIES'),
\JLog::WARNING, 'jerror');
}
}
/**
* Returns the global authentication object, only creating it
* if it doesn't already exist.
*
* @return Authentication The global Authentication object
*
* @since 1.7.0
*/
public static function getInstance()
{
if (empty(self::$instance))
{
self::$instance = new Authentication;
}
return self::$instance;
}
/**
* Get the state of the Authentication object
*
* @return mixed The state of the object.
*
* @since 1.7.0
*/
public function getState()
{
return $this->state;
}
/**
* Attach an observer object
*
* @param object $observer An observer object to attach
*
* @return void
*
* @since 1.7.0
*/
public function attach($observer)
{
if (is_array($observer))
{
if (!isset($observer['handler']) ||
!isset($observer['event']) ||
!is_callable($observer['handler']))
{
return;
}
// Make sure we haven't already attached this array as an observer
foreach ($this->observers as $check)
{
if (is_array($check) && $check['event'] ==
$observer['event'] && $check['handler'] ==
$observer['handler'])
{
return;
}
}
$this->observers[] = $observer;
end($this->observers);
$methods = array($observer['event']);
}
else
{
if (!($observer instanceof Authentication))
{
return;
}
// Make sure we haven't already attached this object as an observer
$class = get_class($observer);
foreach ($this->observers as $check)
{
if ($check instanceof $class)
{
return;
}
}
$this->observers[] = $observer;
$methods = array_diff(get_class_methods($observer),
get_class_methods('\\JPlugin'));
}
$key = key($this->observers);
foreach ($methods as $method)
{
$method = strtolower($method);
if (!isset($this->methods[$method]))
{
$this->methods[$method] = array();
}
$this->methods[$method][] = $key;
}
}
/**
* Detach an observer object
*
* @param object $observer An observer object to detach.
*
* @return boolean True if the observer object was detached.
*
* @since 1.7.0
*/
public function detach($observer)
{
$retval = false;
$key = array_search($observer, $this->observers);
if ($key !== false)
{
unset($this->observers[$key]);
$retval = true;
foreach ($this->methods as &$method)
{
$k = array_search($key, $method);
if ($k !== false)
{
unset($method[$k]);
}
}
}
return $retval;
}
/**
* Finds out if a set of login credentials are valid by asking all
observing
* objects to run their respective authentication routines.
*
* @param array $credentials Array holding the user credentials.
* @param array $options Array holding user options.
*
* @return AuthenticationResponse Response object with status variable
filled in for last plugin or first successful plugin.
*
* @see AuthenticationResponse
* @since 1.7.0
*/
public function authenticate($credentials, $options = array())
{
// Get plugins
$plugins = PluginHelper::getPlugin('authentication');
// Create authentication response
$response = new AuthenticationResponse;
/*
* Loop through the plugins and check if the credentials can be used to
authenticate
* the user
*
* Any errors raised in the plugin should be returned via the
AuthenticationResponse
* and handled appropriately.
*/
foreach ($plugins as $plugin)
{
$className = 'plg' . $plugin->type . $plugin->name;
if (class_exists($className))
{
$plugin = new $className($this, (array) $plugin);
}
else
{
// Bail here if the plugin can't be created
\JLog::add(\JText::sprintf('JLIB_USER_ERROR_AUTHENTICATION_FAILED_LOAD_PLUGIN',
$className), \JLog::WARNING, 'jerror');
continue;
}
// Try to authenticate
$plugin->onUserAuthenticate($credentials, $options, $response);
// If authentication is successful break out of the loop
if ($response->status === self::STATUS_SUCCESS)
{
if (empty($response->type))
{
$response->type = isset($plugin->_name) ? $plugin->_name :
$plugin->name;
}
break;
}
}
if (empty($response->username))
{
$response->username = $credentials['username'];
}
if (empty($response->fullname))
{
$response->fullname = $credentials['username'];
}
if (empty($response->password) &&
isset($credentials['password']))
{
$response->password = $credentials['password'];
}
return $response;
}
/**
* Authorises that a particular user should be able to login
*
* @param AuthenticationResponse $response response including username
of the user to authorise
* @param array $options list of options
*
* @return AuthenticationResponse[] Array of authentication response
objects
*
* @since 1.7.0
*/
public static function authorise($response, $options = array())
{
// Get plugins in case they haven't been imported already
PluginHelper::importPlugin('user');
PluginHelper::importPlugin('authentication');
$dispatcher = \JEventDispatcher::getInstance();
$results = $dispatcher->trigger('onUserAuthorisation',
array($response, $options));
return $results;
}
}
PK�=�[O�O
O
AuthenticationResponse.phpnu�[���<?php
/**
* Joomla! Content Management System
*
* @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All
rights reserved.
* @license GNU General Public License version 2 or later; see
LICENSE.txt
*/
namespace Joomla\CMS\Authentication;
defined('JPATH_PLATFORM') or die;
/**
* Authentication response class, provides an object for storing user and
error details
*
* @since 1.7.0
*/
class AuthenticationResponse
{
/**
* Response status (see status codes)
*
* @var string
* @since 1.7.0
*/
public $status = Authentication::STATUS_FAILURE;
/**
* The type of authentication that was successful
*
* @var string
* @since 1.7.0
*/
public $type = '';
/**
* The error message
*
* @var string
* @since 1.7.0
*/
public $error_message = '';
/**
* Any UTF-8 string that the End User wants to use as a username.
*
* @var string
* @since 1.7.0
*/
public $username = '';
/**
* Any UTF-8 string that the End User wants to use as a password.
*
* @var string
* @since 1.7.0
*/
public $password = '';
/**
* The email address of the End User as specified in section 3.4.1 of
[RFC2822]
*
* @var string
* @since 1.7.0
*/
public $email = '';
/**
* UTF-8 string free text representation of the End User's full name.
*
* @var string
* @since 1.7.0
*/
public $fullname = '';
/**
* The End User's date of birth as YYYY-MM-DD. Any values whose
representation uses
* fewer than the specified number of digits should be zero-padded. The
length of this
* value MUST always be 10. If the End User user does not want to reveal
any particular
* component of this value, it MUST be set to zero.
*
* For instance, if an End User wants to specify that their date of birth
is in 1980, but
* not the month or day, the value returned SHALL be
"1980-00-00".
*
* @var string
* @since 1.7.0
*/
public $birthdate = '';
/**
* The End User's gender, "M" for male, "F" for
female.
*
* @var string
* @since 1.7.0
*/
public $gender = '';
/**
* UTF-8 string free text that SHOULD conform to the End User's
country's postal system.
*
* @var string
* @since 1.7.0
*/
public $postcode = '';
/**
* The End User's country of residence as specified by ISO3166.
*
* @var string
* @since 1.7.0
*/
public $country = '';
/**
* End User's preferred language as specified by ISO639.
*
* @var string
* @since 1.7.0
*/
public $language = '';
/**
* ASCII string from TimeZone database
*
* @var string
* @since 1.7.0
*/
public $timezone = '';
}
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