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libraries/joomla/user/user.php
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842
libraries/joomla/user/user.php
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@ -0,0 +1,842 @@
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<?php
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/**
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* @package Joomla.Platform
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* @subpackage User
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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/**
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* User class. Handles all application interaction with a user
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*
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* @package Joomla.Platform
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* @subpackage User
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* @since 11.1
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*/
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class JUser extends JObject
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{
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/**
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* A cached switch for if this user has root access rights.
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*
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* @var boolean
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* @since 11.1
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*/
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protected $isRoot = null;
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/**
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* Unique id
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*
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* @var integer
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* @since 11.1
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*/
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public $id = null;
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/**
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* The users real name (or nickname)
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* @var string
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* @since 11.1
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*/
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public $name = null;
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/**
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* The login name
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*
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* @var string
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* @since 11.1
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*/
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public $username = null;
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/**
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* The email
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*
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* @var string
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* @since 11.1
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*/
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public $email = null;
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/**
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* MD5 encrypted password
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*
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* @var string
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* @since 11.1
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*/
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public $password = null;
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/**
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* Clear password, only available when a new password is set for a user
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*
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* @var string
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* @since 11.1
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*/
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public $password_clear = '';
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/**
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* Block status
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*
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* @var integer
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* @since 11.1
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*/
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public $block = null;
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/**
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* Should this user receive system email
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*
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* @var integer
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* @since 11.1
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*/
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public $sendEmail = null;
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/**
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* Date the user was registered
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*
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* @var datetime
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* @since 11.1
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*/
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public $registerDate = null;
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/**
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* Date of last visit
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*
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* @var datetime
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* @since 11.1
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*/
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public $lastvisitDate = null;
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/**
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* Activation hash
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*
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* @var string
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* @since 11.1
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*/
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public $activation = null;
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/**
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* User parameters
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*
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* @var JRegistry
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* @since 11.1
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*/
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public $params = null;
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/**
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* Associative array of user names => group ids
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*
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* @var array
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* @since 11.1
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*/
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public $groups = array();
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/**
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* Guest status
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*
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* @var boolean
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* @since 11.1
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*/
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public $guest = null;
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/**
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* Last Reset Time
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*
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* @var string
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* @since 12.2
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*/
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public $lastResetTime = null;
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/**
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* Count since last Reset Time
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*
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* @var int
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* @since 12.2
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*/
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public $resetCount = null;
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/**
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* User parameters
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* @var JRegistry
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* @since 11.1
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*/
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protected $_params = null;
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/**
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* Authorised access groups
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*
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* @var array
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* @since 11.1
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*/
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protected $_authGroups = null;
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/**
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* Authorised access levels
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*
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* @var array
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* @since 11.1
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*/
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protected $_authLevels = null;
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/**
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* Authorised access actions
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*
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* @var array
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* @since 11.1
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*/
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protected $_authActions = null;
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/**
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* Error message
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*
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* @var string
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* @since 11.1
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*/
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protected $_errorMsg = null;
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/**
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* @var array JUser instances container.
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* @since 11.3
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*/
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protected static $instances = array();
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/**
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* Constructor activating the default information of the language
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*
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* @param integer $identifier The primary key of the user to load (optional).
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*
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* @since 11.1
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*/
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public function __construct($identifier = 0)
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{
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// Create the user parameters object
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$this->_params = new JRegistry;
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// Load the user if it exists
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if (!empty($identifier))
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{
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$this->load($identifier);
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}
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else
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{
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// Initialise
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$this->id = 0;
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$this->sendEmail = 0;
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$this->aid = 0;
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$this->guest = 1;
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}
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}
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/**
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* Returns the global User object, only creating it if it
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* doesn't already exist.
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*
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* @param integer $identifier The user to load - Can be an integer or string - If string, it is converted to ID automatically.
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*
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* @return JUser The User object.
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*
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* @since 11.1
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*/
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public static function getInstance($identifier = 0)
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{
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// Find the user id
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if (!is_numeric($identifier))
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{
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if (!$id = JUserHelper::getUserId($identifier))
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{
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JLog::add(JText::sprintf('JLIB_USER_ERROR_ID_NOT_EXISTS', $identifier), JLog::WARNING, 'jerror');
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$retval = false;
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return $retval;
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}
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}
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else
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{
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$id = $identifier;
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}
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// If the $id is zero, just return an empty JUser.
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// Note: don't cache this user because it'll have a new ID on save!
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if ($id === 0)
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{
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return new JUser;
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}
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// Check if the user ID is already cached.
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if (empty(self::$instances[$id]))
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{
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$user = new JUser($id);
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self::$instances[$id] = $user;
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}
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return self::$instances[$id];
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}
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/**
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* Method to get a parameter value
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*
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* @param string $key Parameter key
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* @param mixed $default Parameter default value
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*
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* @return mixed The value or the default if it did not exist
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*
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* @since 11.1
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*/
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public function getParam($key, $default = null)
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{
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return $this->_params->get($key, $default);
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}
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/**
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* Method to set a parameter
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*
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* @param string $key Parameter key
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* @param mixed $value Parameter value
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*
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* @return mixed Set parameter value
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*
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* @since 11.1
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*/
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public function setParam($key, $value)
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{
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return $this->_params->set($key, $value);
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}
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/**
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* Method to set a default parameter if it does not exist
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*
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* @param string $key Parameter key
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* @param mixed $value Parameter value
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*
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* @return mixed Set parameter value
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*
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* @since 11.1
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*/
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public function defParam($key, $value)
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{
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return $this->_params->def($key, $value);
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}
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/**
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* Method to check JUser object authorisation against an access control
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* object and optionally an access extension object
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*
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* @param string $action The name of the action to check for permission.
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* @param string $assetname The name of the asset on which to perform the action.
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*
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* @return boolean True if authorised
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*
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* @since 11.1
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*/
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public function authorise($action, $assetname = null)
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{
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// Make sure we only check for core.admin once during the run.
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if ($this->isRoot === null)
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{
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$this->isRoot = false;
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// Check for the configuration file failsafe.
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$config = JFactory::getConfig();
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$rootUser = $config->get('root_user');
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// The root_user variable can be a numeric user ID or a username.
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if (is_numeric($rootUser) && $this->id > 0 && $this->id == $rootUser)
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{
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$this->isRoot = true;
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}
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elseif ($this->username && $this->username == $rootUser)
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{
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$this->isRoot = true;
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}
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else
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{
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// Get all groups against which the user is mapped.
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$identities = $this->getAuthorisedGroups();
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array_unshift($identities, $this->id * -1);
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if (JAccess::getAssetRules(1)->allow('core.admin', $identities))
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{
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$this->isRoot = true;
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return true;
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}
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}
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}
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return $this->isRoot ? true : JAccess::check($this->id, $action, $assetname);
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}
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/**
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* Method to return a list of all categories that a user has permission for a given action
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*
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* @param string $component The component from which to retrieve the categories
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* @param string $action The name of the section within the component from which to retrieve the actions.
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*
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* @return array List of categories that this group can do this action to (empty array if none). Categories must be published.
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*
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* @since 11.1
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*/
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public function getAuthorisedCategories($component, $action)
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{
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// Brute force method: get all published category rows for the component and check each one
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// TODO: Modify the way permissions are stored in the db to allow for faster implementation and better scaling
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$db = JFactory::getDbo();
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$query = $db->getQuery(true)
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->select('c.id AS id, a.name AS asset_name')
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->from('#__categories AS c')
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->join('INNER', '#__assets AS a ON c.asset_id = a.id')
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->where('c.extension = ' . $db->quote($component))
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->where('c.published = 1');
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$db->setQuery($query);
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$allCategories = $db->loadObjectList('id');
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$allowedCategories = array();
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foreach ($allCategories as $category)
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{
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if ($this->authorise($action, $category->asset_name))
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{
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$allowedCategories[] = (int) $category->id;
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}
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}
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return $allowedCategories;
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}
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/**
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* Gets an array of the authorised access levels for the user
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*
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* @return array
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*
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* @since 11.1
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*/
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public function getAuthorisedViewLevels()
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{
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if ($this->_authLevels === null)
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{
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$this->_authLevels = array();
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}
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if (empty($this->_authLevels))
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{
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$this->_authLevels = JAccess::getAuthorisedViewLevels($this->id);
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}
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return $this->_authLevels;
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}
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/**
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* Gets an array of the authorised user groups
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*
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* @return array
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*
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* @since 11.1
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*/
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public function getAuthorisedGroups()
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{
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if ($this->_authGroups === null)
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{
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$this->_authGroups = array();
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}
|
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|
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if (empty($this->_authGroups))
|
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{
|
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$this->_authGroups = JAccess::getGroupsByUser($this->id);
|
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}
|
||||
|
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return $this->_authGroups;
|
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}
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/**
|
||||
* Pass through method to the table for setting the last visit date
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*
|
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* @param integer $timestamp The timestamp, defaults to 'now'.
|
||||
*
|
||||
* @return boolean True on success.
|
||||
*
|
||||
* @since 11.1
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*/
|
||||
public function setLastVisit($timestamp = null)
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||||
{
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// Create the user table object
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$table = $this->getTable();
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$table->load($this->id);
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|
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return $table->setLastVisit($timestamp);
|
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}
|
||||
|
||||
/**
|
||||
* Method to get the user parameters
|
||||
*
|
||||
* This method used to load the user parameters from a file.
|
||||
*
|
||||
* @return object The user parameters object.
|
||||
*
|
||||
* @since 11.1
|
||||
* @deprecated 12.3 (Platform) & 4.0 (CMS) - Instead use JUser::getParam()
|
||||
*/
|
||||
public function getParameters()
|
||||
{
|
||||
// @codeCoverageIgnoreStart
|
||||
JLog::add('JUser::getParameters() is deprecated. JUser::getParam().', JLog::WARNING, 'deprecated');
|
||||
|
||||
return $this->_params;
|
||||
|
||||
// @codeCoverageIgnoreEnd
|
||||
}
|
||||
|
||||
/**
|
||||
* Method to get the user parameters
|
||||
*
|
||||
* @param object $params The user parameters object
|
||||
*
|
||||
* @return void
|
||||
*
|
||||
* @since 11.1
|
||||
*/
|
||||
public function setParameters($params)
|
||||
{
|
||||
$this->_params = $params;
|
||||
}
|
||||
|
||||
/**
|
||||
* Method to get the user table object
|
||||
*
|
||||
* This function uses a static variable to store the table name of the user table to
|
||||
* instantiate. You can call this function statically to set the table name if
|
||||
* needed.
|
||||
*
|
||||
* @param string $type The user table name to be used
|
||||
* @param string $prefix The user table prefix to be used
|
||||
*
|
||||
* @return object The user table object
|
||||
*
|
||||
* @since 11.1
|
||||
*/
|
||||
public static function getTable($type = null, $prefix = 'JTable')
|
||||
{
|
||||
static $tabletype;
|
||||
|
||||
// Set the default tabletype;
|
||||
if (!isset($tabletype))
|
||||
{
|
||||
$tabletype['name'] = 'user';
|
||||
$tabletype['prefix'] = 'JTable';
|
||||
}
|
||||
|
||||
// Set a custom table type is defined
|
||||
if (isset($type))
|
||||
{
|
||||
$tabletype['name'] = $type;
|
||||
$tabletype['prefix'] = $prefix;
|
||||
}
|
||||
|
||||
// Create the user table object
|
||||
return JTable::getInstance($tabletype['name'], $tabletype['prefix']);
|
||||
}
|
||||
|
||||
/**
|
||||
* Method to bind an associative array of data to a user object
|
||||
*
|
||||
* @param array &$array The associative array to bind to the object
|
||||
*
|
||||
* @return boolean True on success
|
||||
*
|
||||
* @since 11.1
|
||||
*/
|
||||
public function bind(&$array)
|
||||
{
|
||||
// Let's check to see if the user is new or not
|
||||
if (empty($this->id))
|
||||
{
|
||||
// Check the password and create the crypted password
|
||||
if (empty($array['password']))
|
||||
{
|
||||
$array['password'] = JUserHelper::genRandomPassword();
|
||||
$array['password2'] = $array['password'];
|
||||
}
|
||||
|
||||
// TODO: Backend controller checks the password, frontend doesn't but should.
|
||||
// Hence this code is required:
|
||||
if (isset($array['password2']) && $array['password'] != $array['password2'])
|
||||
{
|
||||
$this->setError(JText::_('JLIB_USER_ERROR_PASSWORD_NOT_MATCH'));
|
||||
return false;
|
||||
}
|
||||
|
||||
$this->password_clear = JArrayHelper::getValue($array, 'password', '', 'string');
|
||||
|
||||
$salt = JUserHelper::genRandomPassword(32);
|
||||
$crypt = JUserHelper::getCryptedPassword($array['password'], $salt);
|
||||
$array['password'] = $crypt . ':' . $salt;
|
||||
|
||||
// Set the registration timestamp
|
||||
|
||||
$this->set('registerDate', JFactory::getDate()->toSql());
|
||||
|
||||
// Check that username is not greater than 150 characters
|
||||
$username = $this->get('username');
|
||||
if (strlen($username) > 150)
|
||||
{
|
||||
$username = substr($username, 0, 150);
|
||||
$this->set('username', $username);
|
||||
}
|
||||
|
||||
// Check that password is not greater than 100 characters
|
||||
$password = $this->get('password');
|
||||
if (strlen($password) > 100)
|
||||
{
|
||||
$password = substr($password, 0, 100);
|
||||
$this->set('password', $password);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// Updating an existing user
|
||||
if (!empty($array['password']))
|
||||
{
|
||||
if ($array['password'] != $array['password2'])
|
||||
{
|
||||
$this->setError(JText::_('JLIB_USER_ERROR_PASSWORD_NOT_MATCH'));
|
||||
return false;
|
||||
}
|
||||
|
||||
$this->password_clear = JArrayHelper::getValue($array, 'password', '', 'string');
|
||||
|
||||
$salt = JUserHelper::genRandomPassword(32);
|
||||
$crypt = JUserHelper::getCryptedPassword($array['password'], $salt);
|
||||
$array['password'] = $crypt . ':' . $salt;
|
||||
}
|
||||
else
|
||||
{
|
||||
$array['password'] = $this->password;
|
||||
}
|
||||
}
|
||||
|
||||
if (array_key_exists('params', $array))
|
||||
{
|
||||
$this->_params->loadArray($array['params']);
|
||||
|
||||
if (is_array($array['params']))
|
||||
{
|
||||
$params = (string) $this->_params;
|
||||
}
|
||||
else
|
||||
{
|
||||
$params = $array['params'];
|
||||
}
|
||||
|
||||
$this->params = $params;
|
||||
}
|
||||
|
||||
// Bind the array
|
||||
if (!$this->setProperties($array))
|
||||
{
|
||||
$this->setError(JText::_('JLIB_USER_ERROR_BIND_ARRAY'));
|
||||
return false;
|
||||
}
|
||||
|
||||
// Make sure its an integer
|
||||
$this->id = (int) $this->id;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Method to save the JUser object to the database
|
||||
*
|
||||
* @param boolean $updateOnly Save the object only if not a new user
|
||||
* Currently only used in the user reset password method.
|
||||
*
|
||||
* @return boolean True on success
|
||||
*
|
||||
* @since 11.1
|
||||
* @throws RuntimeException
|
||||
*/
|
||||
public function save($updateOnly = false)
|
||||
{
|
||||
// Create the user table object
|
||||
$table = $this->getTable();
|
||||
$this->params = (string) $this->_params;
|
||||
$table->bind($this->getProperties());
|
||||
|
||||
// Allow an exception to be thrown.
|
||||
try
|
||||
{
|
||||
// Check and store the object.
|
||||
if (!$table->check())
|
||||
{
|
||||
$this->setError($table->getError());
|
||||
return false;
|
||||
}
|
||||
|
||||
// If user is made a Super Admin group and user is NOT a Super Admin
|
||||
|
||||
// @todo ACL - this needs to be acl checked
|
||||
|
||||
$my = JFactory::getUser();
|
||||
|
||||
// Are we creating a new user
|
||||
$isNew = empty($this->id);
|
||||
|
||||
// If we aren't allowed to create new users return
|
||||
if ($isNew && $updateOnly)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
// Get the old user
|
||||
$oldUser = new JUser($this->id);
|
||||
|
||||
// Access Checks
|
||||
|
||||
// The only mandatory check is that only Super Admins can operate on other Super Admin accounts.
|
||||
// To add additional business rules, use a user plugin and throw an Exception with onUserBeforeSave.
|
||||
|
||||
// Check if I am a Super Admin
|
||||
$iAmSuperAdmin = $my->authorise('core.admin');
|
||||
|
||||
// We are only worried about edits to this account if I am not a Super Admin.
|
||||
if ($iAmSuperAdmin != true)
|
||||
{
|
||||
if ($isNew)
|
||||
{
|
||||
// Check if the new user is being put into a Super Admin group.
|
||||
foreach ($this->groups as $groupId)
|
||||
{
|
||||
if (JAccess::checkGroup($groupId, 'core.admin'))
|
||||
{
|
||||
throw new RuntimeException('User not Super Administrator');
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// I am not a Super Admin, and this one is, so fail.
|
||||
if (JAccess::check($this->id, 'core.admin'))
|
||||
{
|
||||
throw new RuntimeException('User not Super Administrator');
|
||||
}
|
||||
|
||||
if ($this->groups != null)
|
||||
{
|
||||
// I am not a Super Admin and I'm trying to make one.
|
||||
foreach ($this->groups as $groupId)
|
||||
{
|
||||
if (JAccess::checkGroup($groupId, 'core.admin'))
|
||||
{
|
||||
throw new RuntimeException('User not Super Administrator');
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Fire the onUserBeforeSave event.
|
||||
JPluginHelper::importPlugin('user');
|
||||
$dispatcher = JEventDispatcher::getInstance();
|
||||
|
||||
$result = $dispatcher->trigger('onUserBeforeSave', array($oldUser->getProperties(), $isNew, $this->getProperties()));
|
||||
if (in_array(false, $result, true))
|
||||
{
|
||||
// Plugin will have to raise its own error or throw an exception.
|
||||
return false;
|
||||
}
|
||||
|
||||
// Store the user data in the database
|
||||
$result = $table->store();
|
||||
|
||||
// Set the id for the JUser object in case we created a new user.
|
||||
if (empty($this->id))
|
||||
{
|
||||
$this->id = $table->get('id');
|
||||
}
|
||||
|
||||
if ($my->id == $table->id)
|
||||
{
|
||||
$registry = new JRegistry;
|
||||
$registry->loadString($table->params);
|
||||
$my->setParameters($registry);
|
||||
}
|
||||
|
||||
// Fire the onUserAfterSave event
|
||||
$dispatcher->trigger('onUserAfterSave', array($this->getProperties(), $isNew, $result, $this->getError()));
|
||||
}
|
||||
catch (Exception $e)
|
||||
{
|
||||
$this->setError($e->getMessage());
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Method to delete the JUser object from the database
|
||||
*
|
||||
* @return boolean True on success
|
||||
*
|
||||
* @since 11.1
|
||||
*/
|
||||
public function delete()
|
||||
{
|
||||
JPluginHelper::importPlugin('user');
|
||||
|
||||
// Trigger the onUserBeforeDelete event
|
||||
$dispatcher = JEventDispatcher::getInstance();
|
||||
$dispatcher->trigger('onUserBeforeDelete', array($this->getProperties()));
|
||||
|
||||
// Create the user table object
|
||||
$table = $this->getTable();
|
||||
|
||||
if (!$result = $table->delete($this->id))
|
||||
{
|
||||
$this->setError($table->getError());
|
||||
}
|
||||
|
||||
// Trigger the onUserAfterDelete event
|
||||
$dispatcher->trigger('onUserAfterDelete', array($this->getProperties(), $result, $this->getError()));
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Method to load a JUser object by user id number
|
||||
*
|
||||
* @param mixed $id The user id of the user to load
|
||||
*
|
||||
* @return boolean True on success
|
||||
*
|
||||
* @since 11.1
|
||||
*/
|
||||
public function load($id)
|
||||
{
|
||||
// Create the user table object
|
||||
$table = $this->getTable();
|
||||
|
||||
// Load the JUserModel object based on the user id or throw a warning.
|
||||
if (!$table->load($id))
|
||||
{
|
||||
// Reset to guest user
|
||||
$this->guest = 1;
|
||||
|
||||
JLog::add(JText::sprintf('JLIB_USER_ERROR_UNABLE_TO_LOAD_USER', $id), JLog::WARNING, 'jerror');
|
||||
return false;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set the user parameters using the default XML file. We might want to
|
||||
* extend this in the future to allow for the ability to have custom
|
||||
* user parameters, but for right now we'll leave it how it is.
|
||||
*/
|
||||
|
||||
$this->_params->loadString($table->params);
|
||||
|
||||
// Assuming all is well at this point let's bind the data
|
||||
$this->setProperties($table->getProperties());
|
||||
|
||||
// The user is no longer a guest
|
||||
if ($this->id != 0)
|
||||
{
|
||||
$this->guest = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->guest = 1;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user