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<?php
/**
* @copyright Copyright (C) 2005 - 2009 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// No direct access
defined('_JEXEC') or die;
/**
* Joomla User plugin
*
* @package Joomla.Plugin
* @subpackage User.joomla
* @since 1.5
*/
class plgUserJoomla extends JPlugin
{
/**
* Remove all sessions for the user name
*
* Method is called after user data is deleted from the database
*
* @param array $user Holds the user data
* @param boolean $succes True if user was succesfully stored in the database
* @param string $msg Message
*
* @return boolean
* @since 1.6
*/
public function onUserAfterDelete($user, $succes, $msg)
{
if (!$succes) {
return false;
}
$db = JFactory::getDbo();
$db->setQuery(
'DELETE FROM '.$db->quoteName('#__session') .
' WHERE '.$db->quoteName('userid').' = '.(int) $user['id']
);
$db->Query();
return true;
}
/**
* Utility method to act on a user after it has been saved.
*
* This method sends a registration email to new users created in the backend.
*
* @param array $user Holds the new user data.
* @param boolean $isnew True if a new user is stored.
* @param boolean $success True if user was succesfully stored in the database.
* @param string $msg Message.
*
* @return void
* @since 1.6
*/
public function onUserAfterSave($user, $isnew, $success, $msg)
{
// Initialise variables.
$app = JFactory::getApplication();
$config = JFactory::getConfig();
$mail_to_user = $this->params->get('mail_to_user', 1);
if ($isnew) {
// TODO: Suck in the frontend registration emails here as well. Job for a rainy day.
if ($app->isAdmin()) {
if ($mail_to_user) {
// Load user_joomla plugin language (not done automatically).
$lang = JFactory::getLanguage();
$lang->load('plg_user_joomla', JPATH_ADMINISTRATOR);
// Compute the mail subject.
$emailSubject = JText::sprintf(
'PLG_USER_JOOMLA_NEW_USER_EMAIL_SUBJECT',
$user['name'],
$config->get('sitename')
);
// Compute the mail body.
$emailBody = JText::sprintf(
'PLG_USER_JOOMLA_NEW_USER_EMAIL_BODY',
$user['name'],
$config->get('sitename'),
JUri::root(),
$user['username'],
$user['password_clear']
);
// Assemble the email data...the sexy way!
$mail = JFactory::getMailer()
->setSender(
array(
$config->get('mailfrom'),
$config->get('fromname')
)
)
->addRecipient($user['email'])
->setSubject($emailSubject)
->setBody($emailBody);
if (!$mail->Send()) {
// TODO: Probably should raise a plugin error but this event is not error checked.
JError::raiseWarning(500, JText::_('ERROR_SENDING_EMAIL'));
}
}
}
}
else {
// Existing user - nothing to do...yet.
}
}
/**
* This method should handle any login logic and report back to the subject
*
* @param array $user Holds the user data
* @param array $options Array holding options (remember, autoregister, group)
*
* @return boolean True on success
* @since 1.5
*/
public function onUserLogin($user, $options = array())
{
$instance = $this->_getUser($user, $options);
// If _getUser returned an error, then pass it back.
if ($instance instanceof Exception) {
return false;
}
// If the user is blocked, redirect with an error
if ($instance->get('block') == 1) {
JError::raiseWarning('SOME_ERROR_CODE', JText::_('JERROR_NOLOGIN_BLOCKED'));
return false;
}
// Authorise the user based on the group information
if (!isset($options['group'])) {
$options['group'] = 'USERS';
}
// Chek the user can login.
$result = $instance->authorise($options['action']);
if (!$result) {
JError::raiseWarning(401, JText::_('JERROR_LOGIN_DENIED'));
return false;
}
// Mark the user as logged in
$instance->set('guest', 0);
// Register the needed session variables
$session = JFactory::getSession();
$session->set('user', $instance);
$db = JFactory::getDBO();
// Check to see the the session already exists.
$app = JFactory::getApplication();
$app->checkSession();
// Update the user related fields for the Joomla sessions table.
$db->setQuery(
'UPDATE '.$db->quoteName('#__session') .
' SET '.$db->quoteName('guest').' = '.$db->quote($instance->get('guest')).',' .
' '.$db->quoteName('username').' = '.$db->quote($instance->get('username')).',' .
' '.$db->quoteName('userid').' = '.(int) $instance->get('id') .
' WHERE '.$db->quoteName('session_id').' = '.$db->quote($session->getId())
);
$db->query();
// Hit the user last visit field
$instance->setLastVisit();
return true;
}
/**
* This method should handle any logout logic and report back to the subject
*
* @param array $user Holds the user data.
* @param array $options Array holding options (client, ...).
*
* @return object True on success
* @since 1.5
*/
public function onUserLogout($user, $options = array())
{
$my = JFactory::getUser();
$session = JFactory::getSession();
$app = JFactory::getApplication();
// Make sure we're a valid user first
if ($user['id'] == 0 && !$my->get('tmp_user')) {
return true;
}
// Check to see if we're deleting the current session
if ($my->get('id') == $user['id'] && $options['clientid'] == $app->getClientId()) {
// Hit the user last visit field
$my->setLastVisit();
// Destroy the php session for this user
$session->destroy();
}
// Force logout all users with that userid
$db = JFactory::getDBO();
$db->setQuery(
'DELETE FROM '.$db->quoteName('#__session') .
' WHERE '.$db->quoteName('userid').' = '.(int) $user['id'] .
' AND '.$db->quoteName('client_id').' = '.(int) $options['clientid']
);
$db->query();
return true;
}
/**
* This method will return a user object
*
* If options['autoregister'] is true, if the user doesn't exist yet he will be created
*
* @param array $user Holds the user data.
* @param array $options Array holding options (remember, autoregister, group).
*
* @return object A JUser object
* @since 1.5
*/
protected function _getUser($user, $options = array())
{
$instance = JUser::getInstance();
if ($id = intval(JUserHelper::getUserId($user['username']))) {
$instance->load($id);
return $instance;
}
//TODO : move this out of the plugin
jimport('joomla.application.component.helper');
$config = JComponentHelper::getParams('com_users');
// Default to Registered.
$defaultUserGroup = $config->get('new_usertype', 2);
$acl = JFactory::getACL();
$instance->set('id' , 0);
$instance->set('name' , $user['fullname']);
$instance->set('username' , $user['username']);
$instance->set('password_clear' , $user['password_clear']);
$instance->set('email' , $user['email']); // Result should contain an email (check)
$instance->set('usertype' , 'deprecated');
$instance->set('groups' , array($defaultUserGroup));
//If autoregister is set let's register the user
$autoregister = isset($options['autoregister']) ? $options['autoregister'] : $this->params->get('autoregister', 1);
if ($autoregister) {
if (!$instance->save()) {
return JError::raiseWarning('SOME_ERROR_CODE', $instance->getError());
}
}
else {
// No existing user and autoregister off, this is a temporary user.
$instance->set('tmp_user', true);
}
return $instance;
}
}
