Merge branch 'master' of https://github.com/friendica/red

to be in sync with main repro

15 files changed, 0 insertions, 4614 deletions

diff --git a/library/ajaxchat/chat/lib/class/AJAXChat.php b/library/ajaxchat/chat/lib/class/AJAXChat.php
deleted file mode 100644
index 2cf7aa11f..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChat.php
+++ /dev/null
@@ -1,3326 +0,0 @@
-<?php

-/*

- * @package AJAX_Chat

- * @author Sebastian Tschan

- * @copyright (c) Sebastian Tschan

- * @license Modified MIT License

- * @link https://blueimp.net/ajax/

- */

-

-// Ajax Chat backend logic:

-class AJAXChat {

-

-	var $db;

-	var $_config;

-	var $_requestVars;

-	var $_infoMessages;

-	var $_channels;

-	var $_allChannels;

-	var $_view;

-	var $_lang;

-	var $_invitations;

-	var $_customVars;

-	var $_sessionNew;

-	var $_onlineUsersData;

-	var $_bannedUsersData;

-	

-	function __construct() {

-		$this->initialize();

-	}

-

-	function initialize() {

-		// Initialize configuration settings:

-		$this->initConfig();

-

-		// Initialize the DataBase connection:

-		$this->initDataBaseConnection();

-

-		// Initialize request variables:

-		$this->initRequestVars();

-		

-		// Initialize the chat session:

-		$this->initSession();

-		

-		// Handle the browser request and send the response content:

-		$this->handleRequest();

-	}

-

-	function initConfig() {

-		$config = null;

-		if (!include(AJAX_CHAT_PATH.'lib/config.php')) {

-			echo('<strong>Error:</strong> Could not find a config.php file in "'.AJAX_CHAT_PATH.'"lib/". Check to make sure the file exists.');

-			die();

-		}

-		$this->_config = &$config;

-

-		// Initialize custom configuration settings:

-		$this->initCustomConfig();

-	}

-	

-	function initRequestVars() {

-		$this->_requestVars = array();

-		$this->_requestVars['ajax']			= isset($_REQUEST['ajax'])			? true							: false;

-		$this->_requestVars['userID']		= isset($_REQUEST['userID'])		? (int)$_REQUEST['userID']		: null;

-		$this->_requestVars['userName']		= isset($_REQUEST['userName'])		? $_REQUEST['userName']			: null;

-		$this->_requestVars['channelID']	= isset($_REQUEST['channelID'])		? (int)$_REQUEST['channelID']	: null;

-		$this->_requestVars['channelName']	= isset($_REQUEST['channelName'])	? $_REQUEST['channelName']		: null;

-		$this->_requestVars['text']			= isset($_POST['text'])				? $_POST['text']				: null;

-		$this->_requestVars['lastID']		= isset($_REQUEST['lastID'])		? (int)$_REQUEST['lastID']		: 0;

-		$this->_requestVars['login']		= isset($_REQUEST['login'])			? true							: false;

-		$this->_requestVars['logout']		= isset($_REQUEST['logout'])		? true							: false;

-		$this->_requestVars['password']		= isset($_REQUEST['password'])		? $_REQUEST['password']			: null;

-		$this->_requestVars['view']			= isset($_REQUEST['view'])			? $_REQUEST['view']				: null;

-		$this->_requestVars['year']			= isset($_REQUEST['year'])			? (int)$_REQUEST['year']		: null;

-		$this->_requestVars['month']		= isset($_REQUEST['month'])			? (int)$_REQUEST['month']		: null;

-		$this->_requestVars['day']			= isset($_REQUEST['day'])			? (int)$_REQUEST['day']			: null;

-		$this->_requestVars['hour']			= isset($_REQUEST['hour'])			? (int)$_REQUEST['hour']		: null;

-		$this->_requestVars['search']		= isset($_REQUEST['search'])		? $_REQUEST['search']			: null;

-		$this->_requestVars['shoutbox']		= isset($_REQUEST['shoutbox'])		? true							: false;

-		$this->_requestVars['getInfos']		= isset($_REQUEST['getInfos'])		? $_REQUEST['getInfos']			: null;

-		$this->_requestVars['lang']			= isset($_REQUEST['lang'])			? $_REQUEST['lang']				: null;

-		$this->_requestVars['delete']		= isset($_REQUEST['delete'])		? (int)$_REQUEST['delete']		: null;

-		

-		// Initialize custom request variables:

-		$this->initCustomRequestVars();

-		

-		// Remove slashes which have been added to user input strings if magic_quotes_gpc is On:

-		if(get_magic_quotes_gpc()) {

-			// It is safe to remove the slashes as we escape user data ourself

-			array_walk(

-				$this->_requestVars,

-				create_function(

-					'&$value, $key',

-					'if(is_string($value)) $value = stripslashes($value);'

-				)

-			);

-		}

-	}

-	

-	function initDataBaseConnection() {

-		// Create a new database object:

-		$this->db = new AJAXChatDataBase(

-			$this->_config['dbConnection']

-		);

-		// Use a new database connection if no existing is given:

-		if(!$this->_config['dbConnection']['link']) {

-			// Connect to the database server:

-			$this->db->connect($this->_config['dbConnection']);

-			if($this->db->error()) {

-				echo $this->db->getError();

-				die();

-			}

-			// Select the database:

-			$this->db->select($this->_config['dbConnection']['name']);

-			if($this->db->error()) {

-				echo $this->db->getError();

-				die();

-			}

-		}

-		// Unset the dbConnection array for safety purposes:

-		unset($this->_config['dbConnection']);			

-	}

-	

-	function getDataBaseTable($table) {

-		return ($this->db->getName() ? '`'.$this->db->getName().'`.'.$this->getConfig('dbTableNames',$table) : $this->getConfig('dbTableNames',$table));

-	}

-

-	function initSession() {

-		// Start the PHP session (if not already started):

-		$this->startSession();

-

-		if($this->isLoggedIn()) {

-			// Logout if we receive a logout request, the chat has been closed or the userID could not be revalidated:

-			if($this->getRequestVar('logout') || !$this->isChatOpen() || !$this->revalidateUserID()) {

-				$this->logout();

-				return;

-			}

-			// Logout if the Session IP is not the same when logged in and ipCheck is enabled:

-			if($this->getConfig('ipCheck') && ($this->getSessionIP() === null || $this->getSessionIP() != $_SERVER['REMOTE_ADDR'])) {

-				$this->logout('IP');

-				return;

-			}

-		} else if(

-			// Login if auto-login enabled or a login, userName or shoutbox parameter is given:

-			$this->getConfig('forceAutoLogin') ||

-			$this->getRequestVar('login') ||

-			$this->getRequestVar('userName') ||

-			$this->getRequestVar('shoutbox')

-			) {

-			$this->login();

-		}

-

-		// Initialize the view:

-		$this->initView();

-

-		if($this->getView() == 'chat') {

-			$this->initChatViewSession();

-		} else if($this->getView() == 'logs') {

-			$this->initLogsViewSession();

-		}

-

-		if(!$this->getRequestVar('ajax') && !headers_sent()) {

-			// Set style cookie:

-			$this->setStyle();

-			// Set langCode cookie:

-			$this->setLangCodeCookie();

-		}

-		

-		$this->initCustomSession();

-	}

-

-	function initLogsViewSession() {

-		if($this->getConfig('socketServerEnabled')) {

-			if(!$this->getSessionVar('logsViewSocketAuthenticated')) {

-				$this->updateLogsViewSocketAuthentication();

-				$this->setSessionVar('logsViewSocketAuthenticated', true);

-			}

-		}

-	}

-

-	function updateLogsViewSocketAuthentication() {

-		if($this->getUserRole() != AJAX_CHAT_ADMIN) {

-			$channels = array();

-			foreach($this->getChannels() as $channel) {

-				if($this->getConfig('logsUserAccessChannelList') && !in_array($channel, $this->getConfig('logsUserAccessChannelList'))) {

-					continue;

-				}

-				array_push($channels, $channel);

-			}

-			array_push($channels, $this->getPrivateMessageID());

-			array_push($channels, $this->getPrivateChannelID());

-		} else {

-			// The channelID "ALL" authenticates for all channels:

-			$channels = array('ALL');

-		}

-		$this->updateSocketAuthentication(

-			$this->getUserID(),

-			$this->getSocketRegistrationID(),

-			$channels

-		);

-	}

-

-	function initChatViewSession() {

-		// If channel is not null we are logged in to the chat view:

-		if($this->getChannel() !== null) {

-			// Check if the current user has been logged out due to inactivity:

-			if(!$this->isUserOnline()) {

-				$this->logout();

-				return;

-			}

-			if($this->getRequestVar('ajax')) {

-				$this->initChannel();

-				$this->updateOnlineStatus();

-				$this->checkAndRemoveInactive();

-			}

-		} else {

-			if($this->getRequestVar('ajax')) {

-				// Set channel, insert login messages and add to online list on first ajax request in chat view:

-				$this->chatViewLogin();

-			}

-		}

-	}

-

-	function isChatOpen() {

-		if($this->getUserRole() == AJAX_CHAT_ADMIN)

-			return true;

-		if($this->getConfig('chatClosed'))

-			return false;

-		$time = time();

-		if($this->getConfig('timeZoneOffset') !== null) {

-			// Subtract the server timezone offset and add the config timezone offset:

-			$time -= date('Z', $time);

-			$time += $this->getConfig('timeZoneOffset');

-		}

-		// Check the opening hours:

-		if($this->getConfig('openingHour') < $this->getConfig('closingHour'))

-		{

-			if(($this->getConfig('openingHour') > date('G', $time)) || ($this->getConfig('closingHour') <= date('G', $time)))

-				return false;

-		}

-		else

-		{

-			if(($this->getConfig('openingHour') > date('G', $time)) && ($this->getConfig('closingHour') <= date('G', $time)))

-				return false;

-		}

-		// Check the opening weekdays:

-		if(!in_array(date('w', $time), $this->getConfig('openingWeekDays')))

-			return false;

-		return true;	

-	}

-

-	function handleRequest() {

-		if($this->getRequestVar('ajax')) {

-			if($this->isLoggedIn()) {

-				// Parse info requests (for current userName, etc.):

-				$this->parseInfoRequests();

-	

-				// Parse command requests (e.g. message deletion):

-				$this->parseCommandRequests();

-	

-				// Parse message requests:

-				$this->initMessageHandling();

-			}

-			// Send chat messages and online user list in XML format:

-			$this->sendXMLMessages();

-		} else {

-			// Display XHTML content for non-ajax requests:

-			$this->sendXHTMLContent();

-		}

-	}

-

-	function parseCommandRequests() {

-		if($this->getRequestVar('delete') !== null) {

-			$this->deleteMessage($this->getRequestVar('delete'));

-		}

-	}

-

-	function parseInfoRequests() {

-		if($this->getRequestVar('getInfos')) {

-			$infoRequests = explode(',', $this->getRequestVar('getInfos'));			

-			foreach($infoRequests as $infoRequest) {

-				$this->parseInfoRequest($infoRequest);

-			}

-		}

-	}

-	

-	function parseInfoRequest($infoRequest) {

-		switch($infoRequest) {

-			case 'userID':

-				$this->addInfoMessage($this->getUserID(), 'userID');

-				break;

-			case 'userName':

-				$this->addInfoMessage($this->getUserName(), 'userName');

-				break;

-			case 'userRole':

-				$this->addInfoMessage($this->getUserRole(), 'userRole');

-				break;

-			case 'channelID':

-				$this->addInfoMessage($this->getChannel(), 'channelID');

-				break;

-			case 'channelName':

-				$this->addInfoMessage($this->getChannelName(), 'channelName');

-				break;

-			case 'socketRegistrationID':

-				$this->addInfoMessage($this->getSocketRegistrationID(), 'socketRegistrationID');

-				break;

-			default:

-				$this->parseCustomInfoRequest($infoRequest);

-		}

-	}

-

-	function sendXHTMLContent() {

-		$httpHeader = new AJAXChatHTTPHeader($this->getConfig('contentEncoding'), $this->getConfig('contentType'));

-

-		$template = new AJAXChatTemplate($this, $this->getTemplateFileName(), $httpHeader->getContentType());

-

-		// Send HTTP header:

-		$httpHeader->send();		

-

-		// Send parsed template content:

-		echo $template->getParsedContent();

-	}

-

-	function getTemplateFileName() {

-		switch($this->getView()) {

-			case 'chat':

-				return AJAX_CHAT_PATH.'lib/template/loggedIn.html';

-			case 'logs':

-				return AJAX_CHAT_PATH.'lib/template/logs.html';

-			default:

-				return AJAX_CHAT_PATH.'lib/template/loggedOut.html';

-		}

-	}

-

-	function initView() {

-		$this->_view = null;

-		// "chat" is the default view:

-		$view = ($this->getRequestVar('view') === null) ? 'chat' : $this->getRequestVar('view');

-		if($this->hasAccessTo($view)) {

-			$this->_view = $view;

-		}

-	}

-

-	function getView() {

-		return $this->_view;

-	}

-

-	function hasAccessTo($view) {

-		switch($view) {

-			case 'chat':

-			case 'teaser':

-				if($this->isLoggedIn()) {

-					return true;	

-				}

-				return false;

-			case 'logs':

-				if($this->isLoggedIn() && ($this->getUserRole() == AJAX_CHAT_ADMIN ||

-					($this->getConfig('logsUserAccess') &&

-					($this->getUserRole() == AJAX_CHAT_MODERATOR || $this->getUserRole() == AJAX_CHAT_USER))

-					)) {

-					return true;

-				}

-				return false;

-			default:

-				return false;

-		}

-	}

-	

-	function login() {

-		// Retrieve valid login user data (from request variables or session data):

-		$userData = $this->getValidLoginUserData();

-		

-		if(!$userData) {

-			$this->addInfoMessage('errorInvalidUser');

-			return false;

-		}

-

-		// If the chat is closed, only the admin may login:

-		if(!$this->isChatOpen() && $userData['userRole'] != AJAX_CHAT_ADMIN) {

-			$this->addInfoMessage('errorChatClosed');

-			return false;

-		}

-		

-		if(!$this->getConfig('allowGuestLogins') && $userData['userRole'] == AJAX_CHAT_GUEST) {

-			return false;

-		}

-

-		// Check if userID or userName are already listed online:

-		if($this->isUserOnline($userData['userID']) || $this->isUserNameInUse($userData['userName'])) {

-			if($userData['userRole'] == AJAX_CHAT_USER || $userData['userRole'] == AJAX_CHAT_MODERATOR || $userData['userRole'] == AJAX_CHAT_ADMIN) {

-				// Set the registered user inactive and remove the inactive users so the user can be logged in again:

-				$this->setInactive($userData['userID'], $userData['userName']);

-				$this->removeInactive();

-			} else {

-				$this->addInfoMessage('errorUserInUse');

-				return false;

-			}

-		}

-		

-		// Check if user is banned:

-		if($userData['userRole'] != AJAX_CHAT_ADMIN && $this->isUserBanned($userData['userName'], $userData['userID'], $_SERVER['REMOTE_ADDR'])) {

-			$this->addInfoMessage('errorBanned');

-			return false;

-		}

-		

-		// Check if the max number of users is logged in (not affecting moderators or admins):

-		if(!($userData['userRole'] == AJAX_CHAT_MODERATOR || $userData['userRole'] == AJAX_CHAT_ADMIN) && $this->isMaxUsersLoggedIn()) {

-			$this->addInfoMessage('errorMaxUsersLoggedIn');

-			return false;

-		}

-

-		// Use a new session id (if session has been started by the chat):

-		$this->regenerateSessionID();

-

-		// Log in:

-		$this->setUserID($userData['userID']);

-		$this->setUserName($userData['userName']);

-		$this->setLoginUserName($userData['userName']);

-		$this->setUserRole($userData['userRole']);

-		$this->setLoggedIn(true);	

-		$this->setLoginTimeStamp(time());

-

-		// IP Security check variable:

-		$this->setSessionIP($_SERVER['REMOTE_ADDR']);

-

-		// The client authenticates to the socket server using a socketRegistrationID:

-		if($this->getConfig('socketServerEnabled')) {

-			$this->setSocketRegistrationID(

-				md5(uniqid(rand(), true))

-			);

-		}

-

-		// Add userID, userName and userRole to info messages:

-		$this->addInfoMessage($this->getUserID(), 'userID');

-		$this->addInfoMessage($this->getUserName(), 'userName');

-		$this->addInfoMessage($this->getUserRole(), 'userRole');

-

-		// Purge logs:

-		if($this->getConfig('logsPurgeLogs')) {

-			$this->purgeLogs();

-		}

-

-		return true;

-	}

-	

-	function chatViewLogin() {

-		$this->setChannel($this->getValidRequestChannelID());

-		$this->addToOnlineList();

-		

-		// Add channelID and channelName to info messages:

-		$this->addInfoMessage($this->getChannel(), 'channelID');

-		$this->addInfoMessage($this->getChannelName(), 'channelName');

-		

-		// Login message:

-		$text = '/login '.$this->getUserName();

-		$this->insertChatBotMessage(

-			$this->getChannel(),

-			$text,

-			null,

-			1

-		);	

-	}

-

-	function getValidRequestChannelID() {

-		$channelID = $this->getRequestVar('channelID');

-		$channelName = $this->getRequestVar('channelName');		

-		// Check the given channelID, or get channelID from channelName:

-		if($channelID === null) {

-			if($channelName !== null) {

-				$channelID = $this->getChannelIDFromChannelName($channelName);

-				// channelName might need encoding conversion:

-				if($channelID === null) {

-					$channelID = $this->getChannelIDFromChannelName(

-									$this->trimChannelName($channelName, $this->getConfig('contentEncoding'))

-								);

-				}

-			}

-		}

-		// Validate the resulting channelID:

-		if(!$this->validateChannel($channelID)) {

-			if($this->getChannel() !== null) {

-				return $this->getChannel();

-			}

-			return $this->getConfig('defaultChannelID');

-		}

-		return $channelID;

-	}

-

-	function initChannel() {

-		$channelID = $this->getRequestVar('channelID');

-		$channelName = $this->getRequestVar('channelName');

-		if($channelID !== null) {

-			$this->switchChannel($this->getChannelNameFromChannelID($channelID));			

-		} else if($channelName !== null) {

-			if($this->getChannelIDFromChannelName($channelName) === null) {

-				// channelName might need encoding conversion:

-				$channelName = $this->trimChannelName($channelName, $this->getConfig('contentEncoding'));

-			}		

-			$this->switchChannel($channelName);	

-		}

-	}

-	

-	function logout($type=null) {

-		// Update the socket server authentication for the user:

-		if($this->getConfig('socketServerEnabled')) {

-			$this->updateSocketAuthentication($this->getUserID());

-		}

-		if($this->isUserOnline()) {

-			$this->chatViewLogout($type);

-		}	

-		$this->setLoggedIn(false);		

-		$this->destroySession();

-

-		// Re-initialize the view:

-		$this->initView();

-	}

-	

-	function chatViewLogout($type) {

-		$this->removeFromOnlineList();

-		if($type !== null) {

-			$type = ' '.$type;

-		}

-		// Logout message

-		$text = '/logout '.$this->getUserName().$type;

-		$this->insertChatBotMessage(

-			$this->getChannel(),

-			$text,

-			null,

-			1

-		);

-	}

-	

-	function switchChannel($channelName) {

-		$channelID = $this->getChannelIDFromChannelName($channelName);

-

-		if($channelID !== null && $this->getChannel() == $channelID) {

-			// User is already in the given channel, return:

-			return;

-		}

-

-		// Check if we have a valid channel:

-		if(!$this->validateChannel($channelID)) {

-			// Invalid channel:

-			$text = '/error InvalidChannelName '.$channelName;

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				$text

-			);

-			return;

-		}

-

-		$oldChannel = $this->getChannel();

-

-		$this->setChannel($channelID);

-		$this->updateOnlineList();

-		

-		// Channel leave message

-		$text = '/channelLeave '.$this->getUserName();

-		$this->insertChatBotMessage(

-			$oldChannel,

-			$text,

-			null,

-			1

-		);

-

-		// Channel enter message

-		$text = '/channelEnter '.$this->getUserName();

-		$this->insertChatBotMessage(

-			$this->getChannel(),

-			$text,

-			null,

-			1

-		);

-

-		$this->addInfoMessage($channelName, 'channelSwitch');

-		$this->addInfoMessage($channelID, 'channelID');

-		$this->_requestVars['lastID'] = 0;

-	}

-	

-	function addToOnlineList() {

-		$sql = 'INSERT INTO '.$this->getDataBaseTable('online').'(

-					userID,

-					userName,

-					userRole,

-					channel,

-					dateTime,

-					ip

-				)

-				VALUES (

-					'.$this->db->makeSafe($this->getUserID()).',

-					'.$this->db->makeSafe($this->getUserName()).',

-					'.$this->db->makeSafe($this->getUserRole()).',

-					'.$this->db->makeSafe($this->getChannel()).',

-					NOW(),

-					'.$this->db->makeSafe($this->ipToStorageFormat($_SERVER['REMOTE_ADDR'])).'

-				);';	

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-		

-		$this->resetOnlineUsersData();

-	}

-	

-	function removeFromOnlineList() {

-		$sql = 'DELETE FROM

-					'.$this->getDataBaseTable('online').'

-				WHERE

-					userID = '.$this->db->makeSafe($this->getUserID()).';';

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-		

-		$this->removeUserFromOnlineUsersData();

-	}

-	

-	function updateOnlineList() {

-		$sql = 'UPDATE

-					'.$this->getDataBaseTable('online').'

-				SET

-					userName 	= '.$this->db->makeSafe($this->getUserName()).',

-					channel 	= '.$this->db->makeSafe($this->getChannel()).',

-					dateTime 	= NOW(),

-					ip			= '.$this->db->makeSafe($this->ipToStorageFormat($_SERVER['REMOTE_ADDR'])).'

-				WHERE

-					userID = '.$this->db->makeSafe($this->getUserID()).';';

-					

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-		

-		$this->resetOnlineUsersData();

-	}

-	

-	function initMessageHandling() {

-		// Don't handle messages if we are not in chat view:

-		if($this->getView() != 'chat') {

-			return;

-		}

-

-		// Check if we have been uninvited from a private or restricted channel:

-		if(!$this->validateChannel($this->getChannel())) {

-			// Switch to the default channel:

-			$this->switchChannel($this->getChannelNameFromChannelID($this->getConfig('defaultChannelID')));

-			return;

-		}

-					

-		if($this->getRequestVar('text') !== null) {

-			$this->insertMessage($this->getRequestVar('text'));

-		}

-	}

-	

-	function insertParsedMessage($text) {

-

-		// If a queryUserName is set, sent all messages as private messages to this userName:

-		if($this->getQueryUserName() !== null && strpos($text, '/') !== 0) {

-			$text = '/msg '.$this->getQueryUserName().' '.$text;

-		}

-		

-		// Parse IRC-style commands:

-		if(strpos($text, '/') === 0) {

-			$textParts = explode(' ', $text);

-

-			switch($textParts[0]) {

-				

-				// Channel switch:

-				case '/join':

-					$this->insertParsedMessageJoin($textParts);

-					break;

-					

-				// Logout:

-				case '/quit':

-					$this->logout();

-					break;

-					

-				// Private message:

-				case '/msg':

-				case '/describe':

-					$this->insertParsedMessagePrivMsg($textParts);

-					break;

-				

-				// Invitation:

-				case '/invite':

-					$this->insertParsedMessageInvite($textParts);

-					break;

-

-				// Uninvitation:

-				case '/uninvite':		

-					$this->insertParsedMessageUninvite($textParts);

-					break;

-

-				// Private messaging:

-				case '/query':

-					$this->insertParsedMessageQuery($textParts);

-					break;

-				

-				// Kicking offending users from the chat:

-				case '/kick':

-					$this->insertParsedMessageKick($textParts);

-					break;

-				

-				// Listing banned users:

-				case '/bans':

-					$this->insertParsedMessageBans($textParts);

-					break;

-				

-				// Unban user (remove from ban list):

-				case '/unban':

-					$this->insertParsedMessageUnban($textParts);

-					break;

-				

-				// Describing actions:

-				case '/me':

-				case '/action':

-					$this->insertParsedMessageAction($textParts);

-					break;

-

-

-				// Listing online Users:

-				case '/who':	

-					$this->insertParsedMessageWho($textParts);

-					break;

-				

-				// Listing available channels:

-				case '/list':	

-					$this->insertParsedMessageList($textParts);

-					break;

-

-				// Retrieving the channel of a User:

-				case '/whereis':

-					$this->insertParsedMessageWhereis($textParts);

-					break;

-				

-				// Listing information about a User:

-				case '/whois':

-					$this->insertParsedMessageWhois($textParts);

-					break;

-				

-				// Rolling dice:

-				case '/roll':				

-					$this->insertParsedMessageRoll($textParts);

-					break;

-

-				// Switching userName:

-				case '/nick':				

-					$this->insertParsedMessageNick($textParts);

-					break;

-			

-				// Custom or unknown command:

-				default:

-					if(!$this->parseCustomCommands($text, $textParts)) {				

-						$this->insertChatBotMessage(

-							$this->getPrivateMessageID(),

-							'/error UnknownCommand '.$textParts[0]

-						);

-					}

-			}

-

-		} else {

-			// No command found, just insert the plain message:

-			$this->insertCustomMessage(

-				$this->getUserID(),

-				$this->getUserName(),

-				$this->getUserRole(),

-				$this->getChannel(),

-				$text

-			);

-		}

-	}

-

-	function insertParsedMessageJoin($textParts) {

-		if(count($textParts) == 1) {

-			// join with no arguments is the own private channel, if allowed:

-			if($this->isAllowedToCreatePrivateChannel()) {

-				// Private channels are identified by square brackets:

-				$this->switchChannel($this->getChannelNameFromChannelID($this->getPrivateChannelID()));

-			} else {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error MissingChannelName'

-				);

-			}

-		} else {

-			$this->switchChannel($textParts[1]);

-		}

-	}

-	

-	function insertParsedMessagePrivMsg($textParts) {

-		if($this->isAllowedToSendPrivateMessage()) {

-			if(count($textParts) < 3) {

-				if(count($textParts) == 2) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error MissingText'

-					);

-				} else {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error MissingUserName'

-					);

-				}

-			} else {

-				// Get UserID from UserName:

-				$toUserID = $this->getIDFromName($textParts[1]);

-				if($toUserID === null) {

-					if($this->getQueryUserName() !== null) {

-						// Close the current query:

-						$this->insertMessage('/query');

-					} else {

-						$this->insertChatBotMessage(

-							$this->getPrivateMessageID(),

-							'/error UserNameNotFound '.$textParts[1]

-						);

-					}

-				} else {

-					// Insert /privaction command if /describe is used:

-					$command = ($textParts[0] == '/describe') ? '/privaction' : '/privmsg';							

-					// Copy of private message to current User:

-					$this->insertCustomMessage(

-						$this->getUserID(),

-						$this->getUserName(),

-						$this->getUserRole(),

-						$this->getPrivateMessageID(),

-						$command.'to '.$textParts[1].' '.implode(' ', array_slice($textParts, 2))

-					);								

-					// Private message to requested User:

-					$this->insertCustomMessage(

-						$this->getUserID(),

-						$this->getUserName(),

-						$this->getUserRole(),

-						$this->getPrivateMessageID($toUserID),

-						$command.' '.implode(' ', array_slice($textParts, 2))

-					);

-				}

-			}

-		} else {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error PrivateMessageNotAllowed'

-			);

-		}

-	}

-	

-	function insertParsedMessageInvite($textParts) {

-		if($this->getChannel() == $this->getPrivateChannelID() || in_array($this->getChannel(), $this->getChannels())) {

-			if(count($textParts) == 1) {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error MissingUserName'

-				);

-			} else {

-				$toUserID = $this->getIDFromName($textParts[1]);

-				if($toUserID === null) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error UserNameNotFound '.$textParts[1]

-					);

-				} else {						

-					// Add the invitation to the database:

-					$this->addInvitation($toUserID);

-					$invitationChannelName = $this->getChannelNameFromChannelID($this->getChannel());

-					// Copy of invitation to current User:

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/inviteto '.$textParts[1].' '.$invitationChannelName

-					);							

-					// Invitation to requested User:

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID($toUserID),

-						'/invite '.$this->getUserName().' '.$invitationChannelName

-					);

-				}

-			}						

-		} else {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error InviteNotAllowed'

-			);

-		}

-	}

-		

-	function insertParsedMessageUninvite($textParts) {

-		if($this->getChannel() == $this->getPrivateChannelID() || in_array($this->getChannel(), $this->getChannels())) {

-			if(count($textParts) == 1) {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error MissingUserName'

-				);

-			} else {

-				$toUserID = $this->getIDFromName($textParts[1]);

-				if($toUserID === null) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error UserNameNotFound '.$textParts[1]

-					);

-				} else {						

-					// Remove the invitation from the database:

-					$this->removeInvitation($toUserID);

-					$invitationChannelName = $this->getChannelNameFromChannelID($this->getChannel());

-					// Copy of uninvitation to current User:

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/uninviteto '.$textParts[1].' '.$invitationChannelName

-					);			

-					// Uninvitation to requested User:

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID($toUserID),

-						'/uninvite '.$this->getUserName().' '.$invitationChannelName

-					);

-				}

-			}						

-		} else {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error UninviteNotAllowed'

-			);						

-		}

-	}

-		

-	function insertParsedMessageQuery($textParts) {

-		if($this->isAllowedToSendPrivateMessage()) {

-			if(count($textParts) == 1) {

-				if($this->getQueryUserName() !== null) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/queryClose '.$this->getQueryUserName()

-					);							

-					// Close the current query:

-					$this->setQueryUserName(null);

-				} else {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error NoOpenQuery'

-					);

-				}

-			} else {

-				if($this->getIDFromName($textParts[1]) === null) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error UserNameNotFound '.$textParts[1]

-					);

-				} else {

-					if($this->getQueryUserName() !== null) {

-						// Close the current query:

-						$this->insertMessage('/query');

-					}

-					// Open a query to the requested user:

-					$this->setQueryUserName($textParts[1]);

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/queryOpen '.$textParts[1]

-					);

-				}

-			}

-		} else {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error PrivateMessageNotAllowed'

-			);

-		}

-	}

-		

-	function insertParsedMessageKick($textParts) {

-		// Only moderators/admins may kick users:

-		if($this->getUserRole() == AJAX_CHAT_ADMIN || $this->getUserRole() == AJAX_CHAT_MODERATOR) {

-			if(count($textParts) == 1) {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error MissingUserName'

-				);

-			} else {

-				// Get UserID from UserName:

-				$kickUserID = $this->getIDFromName($textParts[1]);

-				if($kickUserID === null) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error UserNameNotFound '.$textParts[1]

-					);

-				} else {

-					// Check the role of the user to kick:

-					$kickUserRole = $this->getRoleFromID($kickUserID);

-					if($kickUserRole == AJAX_CHAT_ADMIN || ($kickUserRole == AJAX_CHAT_MODERATOR && $this->getUserRole() != AJAX_CHAT_ADMIN)) {

-						// Admins and moderators may not be kicked:

-						$this->insertChatBotMessage(

-							$this->getPrivateMessageID(),

-							'/error KickNotAllowed '.$textParts[1]

-						);

-					} else {

-						// Kick user and insert message:

-						$channel = $this->getChannelFromID($kickUserID);

-						$banMinutes = (count($textParts) > 2) ? $textParts[2] : null;

-						$this->kickUser($textParts[1], $banMinutes, $kickUserID);

-						// If no channel found, user logged out before he could be kicked

-						if($channel !== null) {

-							$this->insertChatBotMessage(

-								$channel,

-								'/kick '.$textParts[1],

-								null,

-								1

-							);

-							// Send a copy of the message to the current user, if not in the channel:

-							if($channel != $this->getChannel()) {

-								$this->insertChatBotMessage(

-									$this->getPrivateMessageID(),

-									'/kick '.$textParts[1],

-									null,

-									1

-								);

-							}

-						}

-					}

-				}

-			}

-		} else {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error CommandNotAllowed '.$textParts[0]

-			);

-		}

-	}

-		

-	function insertParsedMessageBans($textParts) {

-		// Only moderators/admins may see the list of banned users:

-		if($this->getUserRole() == AJAX_CHAT_ADMIN || $this->getUserRole() == AJAX_CHAT_MODERATOR) {

-			$this->removeExpiredBans();

-			$bannedUsers = $this->getBannedUsers();

-			if(count($bannedUsers) > 0) {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/bans '.implode(' ', $bannedUsers)

-				);

-			} else {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/bansEmpty -'

-				);

-			}

-		} else {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error CommandNotAllowed '.$textParts[0]

-			);

-		}

-	}

-		

-	function insertParsedMessageUnban($textParts) {

-		// Only moderators/admins may unban users:

-		if($this->getUserRole() == AJAX_CHAT_ADMIN || $this->getUserRole() == AJAX_CHAT_MODERATOR) {

-			$this->removeExpiredBans();

-			if(count($textParts) == 1) {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error MissingUserName'

-				);

-			} else {

-				if(!in_array($textParts[1], $this->getBannedUsers())) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error UserNameNotFound '.$textParts[1]

-					);

-				} else {

-					// Unban user and insert message:

-					$this->unbanUser($textParts[1]);

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/unban '.$textParts[1]

-					);	

-				}

-			}

-		} else {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error CommandNotAllowed '.$textParts[0]

-			);

-		}

-	}

-		

-	function insertParsedMessageAction($textParts) {

-		if(count($textParts) == 1) {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error MissingText'

-			);

-		} else {

-			if($this->getQueryUserName() !== null) {

-				// If we are in query mode, sent the action to the query user:

-				$this->insertMessage('/describe '.$this->getQueryUserName().' '.implode(' ', array_slice($textParts, 1)));

-			} else {

-				$this->insertCustomMessage(

-					$this->getUserID(),

-					$this->getUserName(),

-					$this->getUserRole(),

-					$this->getChannel(),

-					implode(' ', $textParts)

-				);

-			}

-		}

-	}

-		

-	function insertParsedMessageWho($textParts) {

-		if(count($textParts) == 1) {

-			if($this->isAllowedToListHiddenUsers()) {

-				// List online users from any channel:

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/who '.implode(' ', $this->getOnlineUsers())

-				);

-			} else {

-				// Get online users for all accessible channels:

-				$channels = $this->getChannels();

-				// Add the own private channel if allowed:

-				if($this->isAllowedToCreatePrivateChannel()) {

-					array_push($channels, $this->getPrivateChannelID());

-				}

-				// Add the invitation channels:

-				foreach($this->getInvitations() as $channelID) {

-					if(!in_array($channelID, $channels)) {

-						array_push($channels, $channelID);

-					}

-				}

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/who '.implode(' ', $this->getOnlineUsers($channels))

-				);

-			}

-		} else {

-			$channelName = $textParts[1];					

-			$channelID = $this->getChannelIDFromChannelName($channelName);

-			if(!$this->validateChannel($channelID)) {

-				// Invalid channel:

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error InvalidChannelName '.$channelName

-				);

-			} else {

-				// Get online users for the given channel:

-				$onlineUsers = $this->getOnlineUsers(array($channelID));

-				if(count($onlineUsers) > 0) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/whoChannel '.$channelName.' '.implode(' ', $onlineUsers)

-					);

-				} else {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/whoEmpty -'

-					);

-				}

-			}

-		}

-	}

-		

-	function insertParsedMessageList($textParts) {

-		// Get the names of all accessible channels:

-		$channelNames = $this->getChannelNames();

-		// Add the own private channel, if allowed:

-		if($this->isAllowedToCreatePrivateChannel()) {

-			array_push($channelNames, $this->getPrivateChannelName());

-		}

-		// Add the invitation channels:

-		foreach($this->getInvitations() as $channelID) {

-			$channelName = $this->getChannelNameFromChannelID($channelID);

-			if($channelName !== null && !in_array($channelName, $channelNames)) {

-				array_push($channelNames, $channelName);

-			}

-		}

-		$this->insertChatBotMessage(

-			$this->getPrivateMessageID(),

-			'/list '.implode(' ', $channelNames)

-		);

-	}

-

-	function insertParsedMessageWhereis($textParts) {

-		if(count($textParts) == 1) {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error MissingUserName'

-			);

-		} else {

-			// Get UserID from UserName:

-			$whereisUserID = $this->getIDFromName($textParts[1]);		

-			if($whereisUserID === null) {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error UserNameNotFound '.$textParts[1]

-				);

-			} else {					

-				$channelID = $this->getChannelFromID($whereisUserID);

-				if($this->validateChannel($channelID)) {

-					$channelName = $this->getChannelNameFromChannelID($channelID);					

-				} else {

-					$channelName = null;

-				}

-				if($channelName === null) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error UserNameNotFound '.$textParts[1]

-					);

-				} else {

-					// List user information:

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/whereis '.$textParts[1].' '.$channelName

-					);	

-				}

-			}

-		}

-	}

-			

-	function insertParsedMessageWhois($textParts) {

-		// Only moderators/admins:

-		if($this->getUserRole() == AJAX_CHAT_ADMIN || $this->getUserRole() == AJAX_CHAT_MODERATOR) {

-			if(count($textParts) == 1) {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error MissingUserName'

-				);

-			} else {

-				// Get UserID from UserName:

-				$whoisUserID = $this->getIDFromName($textParts[1]);

-				if($whoisUserID === null) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error UserNameNotFound '.$textParts[1]

-					);

-				} else {

-					// List user information:

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/whois '.$textParts[1].' '.$this->getIPFromID($whoisUserID)

-					);

-				}

-			}

-		} else {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error CommandNotAllowed '.$textParts[0]

-			);

-		}

-	}

-			

-	function insertParsedMessageRoll($textParts) {

-		if(count($textParts) == 1) {

-			// default is one d6:

-			$text = '/roll '.$this->getUserName().' 1d6 '.$this->rollDice(6);

-		} else {

-			$diceParts = explode('d', $textParts[1]);

-			if(count($diceParts) == 2) {

-				$number = (int)$diceParts[0];

-				$sides = (int)$diceParts[1];

-				

-				// Dice number must be an integer between 1 and 100, else roll only one:

-				$number = ($number > 0 && $number <= 100) ?  $number : 1;

-				

-				// Sides must be an integer between 1 and 100, else take 6:

-				$sides = ($sides > 0 && $sides <= 100) ?  $sides : 6;

-				

-				$text = '/roll '.$this->getUserName().' '.$number.'d'.$sides.' ';

-				for($i=0; $i<$number; $i++) {

-					if($i != 0)

-						$text .= ',';

-					$text .= $this->rollDice($sides);

-				}

-			} else {

-				// if dice syntax is invalid, roll one d6:

-				$text = '/roll '.$this->getUserName().' 1d6 '.$this->rollDice(6);

-			}

-		}

-		$this->insertChatBotMessage(

-			$this->getChannel(),

-			$text

-		);

-	}

-			

-	function insertParsedMessageNick($textParts) {

-		if(!$this->getConfig('allowNickChange') ||

-			(!$this->getConfig('allowGuestUserName') && $this->getUserRole() == AJAX_CHAT_GUEST)) {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error CommandNotAllowed '.$textParts[0]

-			);

-		} else if(count($textParts) == 1) {

-			$this->insertChatBotMessage(

-				$this->getPrivateMessageID(),

-				'/error MissingUserName'

-			);

-		} else {

-			$newUserName = implode(' ', array_slice($textParts, 1));

-			if($newUserName == $this->getLoginUserName()) {

-				// Allow the user to regain the original login userName:

-				$prefix = '';

-				$suffix = '';

-			} else if($this->getUserRole() == AJAX_CHAT_GUEST) {

-				$prefix = $this->getConfig('guestUserPrefix');

-				$suffix = $this->getConfig('guestUserSuffix');

-			} else {

-				$prefix = $this->getConfig('changedNickPrefix');

-				$suffix = $this->getConfig('changedNickSuffix');

-			}

-			$maxLength =	$this->getConfig('userNameMaxLength')

-							- $this->stringLength($prefix)

-							- $this->stringLength($suffix);

-			$newUserName = $this->trimString($newUserName, 'UTF-8', $maxLength, true);

-			if(!$newUserName) {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error InvalidUserName'

-				);

-			} else {

-				$newUserName = $prefix.$newUserName.$suffix;

-				if($this->isUserNameInUse($newUserName)) {

-					$this->insertChatBotMessage(

-						$this->getPrivateMessageID(),

-						'/error UserNameInUse'

-					);

-				} else {

-					$oldUserName = $this->getUserName();

-					$this->setUserName($newUserName);

-					$this->updateOnlineList();

-					// Add info message to update the client-side stored userName:

-					$this->addInfoMessage($this->getUserName(), 'userName');

-					$this->insertChatBotMessage(

-						$this->getChannel(),

-						'/nick '.$oldUserName.' '.$newUserName,

-						null,

-						2

-					);

-				}

-			}

-		}

-	}

-	

-	function insertMessage($text) {

-		if(!$this->isAllowedToWriteMessage())

-			return;

-

-		if(!$this->floodControl())

-			return;

-

-		$text = $this->trimMessageText($text);	

-		if($text == '')

-			return;

-		

-		if(!$this->onNewMessage($text))

-			return;

-		

-		$text = $this->replaceCustomText($text);

-		

-		$this->insertParsedMessage($text);

-	}

-

-	function deleteMessage($messageID) {

-		// Retrieve the channel of the given message:

-		$sql = 'SELECT

-					channel

-				FROM

-					'.$this->getDataBaseTable('messages').'

-				WHERE

-					id='.$this->db->makeSafe($messageID).';';

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-		

-		$row = $result->fetch();

-		

-		if($row['channel'] !== null) {

-			$channel = $row['channel'];

-			

-			if($this->getUserRole() == AJAX_CHAT_ADMIN) {

-				$condition = '';

-			} else if($this->getUserRole() == AJAX_CHAT_MODERATOR) {

-				$condition = '	AND

-									NOT (userRole='.$this->db->makeSafe(AJAX_CHAT_ADMIN).')

-								AND

-									NOT (userRole='.$this->db->makeSafe(AJAX_CHAT_CHATBOT).')';

-			} else if($this->getUserRole() == AJAX_CHAT_USER && $this->getConfig('allowUserMessageDelete')) {

-				$condition = 'AND

-								(

-								userID='.$this->db->makeSafe($this->getUserID()).'

-								OR

-									(

-									channel = '.$this->db->makeSafe($this->getPrivateMessageID()).'

-									OR

-									channel = '.$this->db->makeSafe($this->getPrivateChannelID()).'

-									)

-									AND

-										NOT (userRole='.$this->db->makeSafe(AJAX_CHAT_ADMIN).')

-									AND

-										NOT (userRole='.$this->db->makeSafe(AJAX_CHAT_CHATBOT).')

-								)';

-			} else {

-				return false;

-			}

-	

-			// Remove given message from the database:

-			$sql = 'DELETE FROM

-						'.$this->getDataBaseTable('messages').'

-					WHERE

-						id='.$this->db->makeSafe($messageID).'

-						'.$condition.';';

-			

-			// Create a new SQL query:

-			$result = $this->db->sqlQuery($sql);

-			

-			// Stop if an error occurs:

-			if($result->error()) {

-				echo $result->getError();

-				die();

-			}

-			

-			if($result->affectedRows() == 1) {

-				// Insert a deletion command to remove the message from the clients chatlists:

-				$this->insertChatBotMessage($channel, '/delete '.$messageID);

-				return true;

-			}

-		}

-		return false;

-	}

-	

-	function floodControl() {

-		// Moderators and Admins need no flood control:

-		if($this->getUserRole() == AJAX_CHAT_MODERATOR || $this->getUserRole() == AJAX_CHAT_ADMIN) {

-			return true;

-		}

-		$time = time();

-		// Check the time of the last inserted message:

-		if($this->getInsertedMessagesRateTimeStamp()+60 < $time) {

-			$this->setInsertedMessagesRateTimeStamp($time);

-			$this->setInsertedMessagesRate(1);

-		} else {

-			// Increase the inserted messages rate:

-			$rate = $this->getInsertedMessagesRate()+1;

-			$this->setInsertedMessagesRate($rate);

-			// Check if message rate is too high:

-			if($rate > $this->getConfig('maxMessageRate')) {

-				$this->insertChatBotMessage(

-					$this->getPrivateMessageID(),

-					'/error MaxMessageRate'

-				);

-				// Return false so the message is not inserted:

-				return false;

-			}

-		}

-		return true;

-	}

-	

-	function isAllowedToWriteMessage() {

-		if($this->getUserRole() != AJAX_CHAT_GUEST)

-			return true;

-		if($this->getConfig('allowGuestWrite'))

-			return true;

-		return false;

-	}

-

-	function insertChatBotMessage($channelID, $messageText, $ip=null, $mode=0) {

-		$this->insertCustomMessage(

-			$this->getConfig('chatBotID'),

-			$this->getConfig('chatBotName'),

-			AJAX_CHAT_CHATBOT,

-			$channelID,

-			$messageText,

-			$ip,

-			$mode

-		);

-	}

-	

-	function insertCustomMessage($userID, $userName, $userRole, $channelID, $text, $ip=null, $mode=0) {

-		// The $mode parameter is used for socket updates:

-		// 0 = normal messages

-		// 1 = channel messages (e.g. login/logout, channel enter/leave, kick)

-		// 2 = messages with online user updates (nick)

-		

-		$ip = $ip ? $ip : $_SERVER['REMOTE_ADDR'];

-		

-		$sql = 'INSERT INTO '.$this->getDataBaseTable('messages').'(

-								userID,

-								userName,

-								userRole,

-								channel,

-								dateTime,

-								ip,

-								text

-							)

-				VALUES (

-					'.$this->db->makeSafe($userID).',

-					'.$this->db->makeSafe($userName).',

-					'.$this->db->makeSafe($userRole).',

-					'.$this->db->makeSafe($channelID).',

-					NOW(),

-					'.$this->db->makeSafe($this->ipToStorageFormat($ip)).',

-					'.$this->db->makeSafe($text).'

-				);';

-

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-		

-		if($this->getConfig('socketServerEnabled')) {

-			$this->sendSocketMessage(

-				$this->getSocketBroadcastMessage(

-					$this->db->getLastInsertedID(),

-					time(),

-					$userID,

-					$userName,

-					$userRole,

-					$channelID,

-					$text,

-					$mode

-				)

-			);	

-		}

-	}

-

-	function getSocketBroadcastMessage(

-		$messageID,

-		$timeStamp,

-		$userID,

-		$userName,

-		$userRole,

-		$channelID,

-		$text,

-		$mode	

-		) {

-		// The $mode parameter:

-		// 0 = normal messages

-		// 1 = channel messages (e.g. login/logout, channel enter/leave, kick)

-		// 2 = messages with online user updates (nick)

-

-		// Get the message XML content:

-		$xml = '<root chatID="'.$this->getConfig('socketServerChatID').'" channelID="'.$channelID.'" mode="'.$mode.'">';

-		if($mode) {

-			// Add the list of online users if the user list has been updated ($mode > 0):

-			$xml .= $this->getChatViewOnlineUsersXML(array($channelID));

-		}

-		if($mode != 1 || $this->getConfig('showChannelMessages')) {

-			$xml .= '<messages>';

-			$xml .= $this->getChatViewMessageXML(

-				$messageID,

-				$timeStamp,

-				$userID,

-				$userName,

-				$userRole,

-				$channelID,

-				$text

-			);

-			$xml .= '</messages>';	

-		}

-		$xml .= '</root>';

-		return $xml;

-	}

-

-	function sendSocketMessage($message) {

-		// Open a TCP socket connection to the socket server:

-		if($socket = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) {

-			if(@socket_connect($socket,	$this->getConfig('socketServerIP'),	$this->getConfig('socketServerPort'))) {

-				// Append a null-byte to the string as EOL (End Of Line) character

-				// which is required by Flash XML socket communication:

-				$message .= "\0";

-				@socket_write(

-					$socket,

-					$message,

-					strlen($message) // Using strlen to count the bytes instead of the number of UTF-8 characters

-				);

-			}

-			@socket_close($socket);

-		}		

-	}

-

-	function updateSocketAuthentication($userID, $socketRegistrationID=null, $channels=null) {

-		// If no $socketRegistrationID or no $channels are given the authentication is removed for the given user:

-		$authentication = '<authenticate chatID="'.$this->getConfig('socketServerChatID').'" userID="'.$userID.'" regID="'.$socketRegistrationID.'">';

-		if($channels) {

-			foreach($channels as $channelID) {

-				$authentication .= '<channel id="'.$channelID.'"/>';

-			}

-		}

-		$authentication .= '</authenticate>';

-		$this->sendSocketMessage($authentication);

-	}

-

-	function setSocketRegistrationID($value) {

-		$this->setSessionVar('SocketRegistrationID', $value);

-	}

-	

-	function getSocketRegistrationID() {

-		return $this->getSessionVar('SocketRegistrationID');

-	}

-	

-	function rollDice($sides) {

-		// seed with microseconds since last "whole" second:

-		mt_srand((double)microtime()*1000000);

-		

-		return mt_rand(1, $sides);

-	}

-	

-	function kickUser($userName, $banMinutes=null, $userID=null) {

-		if($userID === null) {

-			$userID = $this->getIDFromName($userName);

-		}

-		if($userID === null) {

-			return;

-		}

-

-		$banMinutes = $banMinutes ? $banMinutes : $this->getConfig('defaultBanTime');

-

-		if($banMinutes) {

-			// Ban User for the given time in minutes:

-			$this->banUser($userName, $banMinutes, $userID);

-		}

-

-		// Remove given User from online list:

-		$sql = 'DELETE FROM

-					'.$this->getDataBaseTable('online').'

-				WHERE

-					userID = '.$this->db->makeSafe($userID).';';

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-

-		// Update the socket server authentication for the kicked user:

-		if($this->getConfig('socketServerEnabled')) {

-			$this->updateSocketAuthentication($userID);

-		}

-		

-		$this->removeUserFromOnlineUsersData($userID);

-	}

-

-	function getBannedUsersData($key=null, $value=null) {

-		if($this->_bannedUsersData === null) {

-			$this->_bannedUsersData = array();

-

-			$sql = 'SELECT

-						userID,

-						userName,

-						ip

-					FROM

-						'.$this->getDataBaseTable('bans').'

-					WHERE

-						NOW() < dateTime;';

-			

-			// Create a new SQL query:

-			$result = $this->db->sqlQuery($sql);

-			

-			// Stop if an error occurs:

-			if($result->error()) {

-				echo $result->getError();

-				die();

-			}

-			

-			while($row = $result->fetch()) {

-				$row['ip'] = $this->ipFromStorageFormat($row['ip']);

-				array_push($this->_bannedUsersData, $row);

-			}

-			

-			$result->free();

-		}

-		

-		if($key) {

-			$bannedUsersData = array();		

-			foreach($this->_bannedUsersData as $bannedUserData) {

-				if(!isset($bannedUserData[$key])) {

-					return $bannedUsersData;

-				}

-				if($value) {

-					if($bannedUserData[$key] == $value) {

-						array_push($bannedUsersData, $bannedUserData);

-					} else {

-						continue;

-					}

-				} else {

-					array_push($bannedUsersData, $bannedUserData[$key]);	

-				}

-			}

-			return $bannedUsersData;

-		}

-		

-		return $this->_bannedUsersData;

-	}

-	

-	function getBannedUsers() {

-		return $this->getBannedUsersData('userName');

-	}

-	

-	function banUser($userName, $banMinutes=null, $userID=null) {

-		if($userID === null) {

-			$userID = $this->getIDFromName($userName);

-		}

-		$ip = $this->getIPFromID($userID);

-		if(!$ip || $userID === null) {

-			return;

-		}

-

-		// Remove expired bans:

-		$this->removeExpiredBans();

-		

-		$banMinutes = (int)$banMinutes;

-		if(!$banMinutes) {

-			// If banMinutes is not a valid integer, use the defaultBanTime:

-			$banMinutes = $this->getConfig('defaultBanTime');

-		}

-		

-		$sql = 'INSERT INTO '.$this->getDataBaseTable('bans').'(

-					userID,

-					userName,

-					dateTime,

-					ip

-				)

-				VALUES (

-					'.$this->db->makeSafe($userID).',

-					'.$this->db->makeSafe($userName).',

-					DATE_ADD(NOW(), interval '.$this->db->makeSafe($banMinutes).' MINUTE),

-					'.$this->db->makeSafe($this->ipToStorageFormat($ip)).'

-				);';	

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-	}

-	

-	function unbanUser($userName) {

-		$sql = 'DELETE FROM

-					'.$this->getDataBaseTable('bans').'

-				WHERE

-					userName = '.$this->db->makeSafe($userName).';';

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-	}

-	

-	function removeExpiredBans() {

-		$sql = 'DELETE FROM

-					'.$this->getDataBaseTable('bans').'

-				WHERE

-					dateTime < NOW();';

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-	}

-	

-	function setInactive($userID, $userName=null) {

-		$condition = 'userID='.$this->db->makeSafe($userID);

-		if($userName !== null) {

-			$condition .= ' OR userName='.$this->db->makeSafe($userName);

-		}

-		$sql = 'UPDATE

-					'.$this->getDataBaseTable('online').'

-				SET

-					dateTime = DATE_SUB(NOW(), interval '.(intval($this->getConfig('inactiveTimeout'))+1).' MINUTE)

-				WHERE

-					'.$condition.';';

-					

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-		

-		$this->resetOnlineUsersData();

-	}

-	

-	function removeInactive() {

-		$sql = 'SELECT

-					userID,

-					userName,

-					channel

-				FROM

-					'.$this->getDataBaseTable('online').'

-				WHERE

-					NOW() > DATE_ADD(dateTime, interval '.$this->getConfig('inactiveTimeout').' MINUTE);';

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-		

-		if($result->numRows() > 0) {

-			$condition = '';

-			while($row = $result->fetch()) {

-				if(!empty($condition))

-					$condition .= ' OR ';

-				// Add userID to condition for removal:

-				$condition .= 'userID='.$this->db->makeSafe($row['userID']);

-

-				// Update the socket server authentication for the kicked user:

-				if($this->getConfig('socketServerEnabled')) {

-					$this->updateSocketAuthentication($row['userID']);

-				}

-

-				$this->removeUserFromOnlineUsersData($row['userID']);

-				

-				// Insert logout timeout message:

-				$text = '/logout '.$row['userName'].' Timeout';

-				$this->insertChatBotMessage(

-					$row['channel'],

-					$text,

-					null,

-					1

-				);

-			}

-			

-			$result->free();

-			

-			$sql = 'DELETE FROM

-						'.$this->getDataBaseTable('online').'

-					WHERE

-						'.$condition.';';

-			

-			// Create a new SQL query:

-			$result = $this->db->sqlQuery($sql);

-			

-			// Stop if an error occurs:

-			if($result->error()) {

-				echo $result->getError();

-				die();

-			}

-		}

-	}

-

-	function updateOnlineStatus() {

-		// Update online status every 50 seconds (this allows update requests to be in time):

-		if(!$this->getStatusUpdateTimeStamp() || ((time() - $this->getStatusUpdateTimeStamp()) > 50)) {

-			$this->updateOnlineList();

-			$this->setStatusUpdateTimeStamp(time());

-		}

-	}

-	

-	function checkAndRemoveInactive() {

-		// Remove inactive users every inactiveCheckInterval:

-		if(!$this->getInactiveCheckTimeStamp() || ((time() - $this->getInactiveCheckTimeStamp()) > $this->getConfig('inactiveCheckInterval')*60)) {

-			$this->removeInactive();

-			$this->setInactiveCheckTimeStamp(time());

-		}

-	}

-	

-	function sendXMLMessages() {		

-		$httpHeader = new AJAXChatHTTPHeader('UTF-8', 'text/xml');

-

-		// Send HTTP header:

-		$httpHeader->send();

-		

-		// Output XML messages:

-		echo $this->getXMLMessages();

-	}

-

-	function getXMLMessages() {

-		switch($this->getView()) {

-			case 'chat':

-				return $this->getChatViewXMLMessages();

-			case 'teaser':

-				return $this->getTeaserViewXMLMessages();

-			case 'logs':

-				return $this->getLogsViewXMLMessages();

-			default:

-				return $this->getLogoutXMLMessage();

-		}

-	}

-

-	function getMessageCondition() {

-		$condition = 	'id > '.$this->db->makeSafe($this->getRequestVar('lastID')).'

-						AND (

-							channel = '.$this->db->makeSafe($this->getChannel()).'

-							OR

-							channel = '.$this->db->makeSafe($this->getPrivateMessageID()).'

-						)

-						AND

-						';

-		if($this->getConfig('requestMessagesPriorChannelEnter') ||

-			($this->getConfig('requestMessagesPriorChannelEnterList') && in_array($this->getChannel(), $this->getConfig('requestMessagesPriorChannelEnterList')))) {

-			$condition .= 'NOW() < DATE_ADD(dateTime, interval '.$this->getConfig('requestMessagesTimeDiff').' HOUR)';

-		} else {

-			$condition .= 'dateTime >= FROM_UNIXTIME(' . $this->getChannelEnterTimeStamp() . ')';

-		}

-		return $condition;

-	}

-	

-	function getMessageFilter() {

-			$filterChannelMessages = '';

-			if(!$this->getConfig('showChannelMessages') || $this->getRequestVar('shoutbox')) {

-				$filterChannelMessages = '	AND NOT (

-											text LIKE (\'/login%\')

-											OR

-											text LIKE (\'/logout%\')

-											OR

-											text LIKE (\'/channelEnter%\')

-											OR

-											text LIKE (\'/channelLeave%\')

-											OR

-											text LIKE (\'/kick%\')

-										)';

-			}

-			return $filterChannelMessages;		

-	}

-

-	function getInfoMessagesXML() {

-		$xml = '<infos>';

-		// Go through the info messages:

-		foreach($this->getInfoMessages() as $type=>$infoArray) {

-			foreach($infoArray as $info) {

-				$xml .= '<info type="'.$type.'">';

-				$xml .= '<![CDATA['.$this->encodeSpecialChars($info).']]>';

-				$xml .= '</info>';

-			}

-		}

-		$xml .= '</infos>';

-		return $xml;

-	}

-

-	function getChatViewOnlineUsersXML($channelIDs) {

-		// Get the online users for the given channels:

-		$onlineUsersData = $this->getOnlineUsersData($channelIDs);		

-		$xml = '<users>';

-		foreach($onlineUsersData as $onlineUserData) {

-			$xml .= '<user';

-			$xml .= ' userID="'.$onlineUserData['userID'].'"';

-			$xml .= ' userRole="'.$onlineUserData['userRole'].'"';

-			$xml .= ' channelID="'.$onlineUserData['channel'].'"';

-			$xml .= '>';

-			$xml .= '<![CDATA['.$this->encodeSpecialChars($onlineUserData['userName']).']]>';

-			$xml .= '</user>';

-		}

-		$xml .= '</users>';	

-		return $xml;

-	}

-

-	function getLogoutXMLMessage() {

-		$xml = '<?xml version="1.0" encoding="UTF-8"?>';

-		$xml .= '<root>';

-		$xml .= '<infos>';

-		$xml .= '<info type="logout">';

-		$xml .= '<![CDATA['.$this->encodeSpecialChars($this->getConfig('logoutData')).']]>';

-		$xml .= '</info>';

-		$xml .= '</infos>';

-		$xml .= '</root>';

-		return $xml;

-	}

-

-	function getChatViewMessageXML(

-		$messageID,

-		$timeStamp,

-		$userID,

-		$userName,

-		$userRole,

-		$channelID,

-		$text

-		) {

-		$message = '<message';

-		$message .= ' id="'.$messageID.'"';

-		$message .= ' dateTime="'.date('r', $timeStamp).'"';

-		$message .= ' userID="'.$userID.'"';

-		$message .= ' userRole="'.$userRole.'"';

-		$message .= ' channelID="'.$channelID.'"';

-		$message .= '>';

-		$message .= '<username><![CDATA['.$this->encodeSpecialChars($userName).']]></username>';

-		$message .= '<text><![CDATA['.$this->encodeSpecialChars($text).']]></text>';

-		$message .= '</message>';

-		return $message;

-	}

-

-	function getChatViewMessagesXML() {

-		// Get the last messages in descending order (this optimises the LIMIT usage):

-		$sql = 'SELECT

-					id,

-					userID,

-					userName,

-					userRole,

-					channel AS channelID,

-					UNIX_TIMESTAMP(dateTime) AS timeStamp,

-					text

-				FROM

-					'.$this->getDataBaseTable('messages').'

-				WHERE

-					'.$this->getMessageCondition().'

-					'.$this->getMessageFilter().'

-				ORDER BY

-					id

-					DESC

-				LIMIT '.$this->getConfig('requestMessagesLimit').';';

-

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-		

-		$messages = '';

-		

-		// Add the messages in reverse order so it is ascending again:

-		while($row = $result->fetch()) {			

-			$message = $this->getChatViewMessageXML(

-				$row['id'],

-				$row['timeStamp'],

-				$row['userID'],

-				$row['userName'],

-				$row['userRole'],

-				$row['channelID'],

-				$row['text']

-			);		

-			$messages = $message.$messages;

-		}

-		$result->free();		

-		

-		$messages = '<messages>'.$messages.'</messages>';

-		return $messages;

-	}

-	

-	function getChatViewXMLMessages() {

-		$xml = '<?xml version="1.0" encoding="UTF-8"?>';

-		$xml .= '<root>';

-		$xml .= $this->getInfoMessagesXML();

-		$xml .= $this->getChatViewOnlineUsersXML(array($this->getChannel()));

-		$xml .= $this->getChatViewMessagesXML();

-		$xml .= '</root>';		

-		return $xml;

-	}

-

-	function getTeaserMessageCondition() {

-		$channelID = $this->getValidRequestChannelID();		

-		$condition = 	'channel = '.$this->db->makeSafe($channelID).'

-						AND

-						';

-		if($this->getConfig('requestMessagesPriorChannelEnter') ||

-			($this->getConfig('requestMessagesPriorChannelEnterList') && in_array($channelID, $this->getConfig('requestMessagesPriorChannelEnterList')))) {

-			$condition .= 'NOW() < DATE_ADD(dateTime, interval '.$this->getConfig('requestMessagesTimeDiff').' HOUR)';

-		} else {

-			// Teaser content may not be shown for this channel:

-			$condition .= '0 = 1';	

-		}

-		return $condition;

-	}

-

-	function getTeaserViewMessagesXML() {

-		// Get the last messages in descending order (this optimises the LIMIT usage):

-		$sql = 'SELECT

-					id,

-					userID,

-					userName,

-					userRole,

-					channel AS channelID,

-					UNIX_TIMESTAMP(dateTime) AS timeStamp,

-					text

-				FROM

-					'.$this->getDataBaseTable('messages').'

-				WHERE

-					'.$this->getTeaserMessageCondition().'

-					'.$this->getMessageFilter().'

-				ORDER BY

-					id

-					DESC

-				LIMIT '.$this->getConfig('requestMessagesLimit').';';

-

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-		

-		$messages = '';

-		

-		// Add the messages in reverse order so it is ascending again:

-		while($row = $result->fetch()) {			

-			$message = '';

-			$message .= '<message';

-			$message .= ' id="'.$row['id'].'"';

-			$message .= ' dateTime="'.date('r', $row['timeStamp']).'"';

-			$message .= ' userID="'.$row['userID'].'"';

-			$message .= ' userRole="'.$row['userRole'].'"';

-			$message .= ' channelID="'.$row['channelID'].'"';

-			$message .= '>';

-			$message .= '<username><![CDATA['.$this->encodeSpecialChars($row['userName']).']]></username>';

-			$message .= '<text><![CDATA['.$this->encodeSpecialChars($row['text']).']]></text>';

-			$message .= '</message>';

-			$messages = $message.$messages;

-		}

-		$result->free();	

-		

-		$messages = '<messages>'.$messages.'</messages>';

-		return $messages;

-	}

-

-	function getTeaserViewXMLMessages() {

-		$xml = '<?xml version="1.0" encoding="UTF-8"?>';

-		$xml .= '<root>';

-		$xml .= $this->getInfoMessagesXML();

-		$xml .= $this->getTeaserViewMessagesXML();

-		$xml .= '</root>';		

-		return $xml;

-	}

-	

-	function getLogsViewCondition() {

-		$condition = 'id > '.$this->db->makeSafe($this->getRequestVar('lastID'));

-		

-		// Check the channel condition:

-		switch($this->getRequestVar('channelID')) {

-			case '-3':

-				// Just display messages from all accessible channels

-				if($this->getUserRole() != AJAX_CHAT_ADMIN) {

-					$condition .= ' AND (channel = '.$this->db->makeSafe($this->getPrivateMessageID());

-					$condition .= ' OR channel = '.$this->db->makeSafe($this->getPrivateChannelID());

-					foreach($this->getChannels() as $channel) {

-						if($this->getConfig('logsUserAccessChannelList') && !in_array($channel, $this->getConfig('logsUserAccessChannelList'))) {

-							continue;

-						}

-						$condition .= ' OR channel = '.$this->db->makeSafe($channel);

-					}

-					$condition .= ')';

-				}

-				break;

-			case '-2':

-				if($this->getUserRole() != AJAX_CHAT_ADMIN) {

-					$condition .= ' AND channel = '.($this->getPrivateMessageID());

-				} else {

-					$condition .= ' AND channel > '.($this->getConfig('privateMessageDiff')-1);

-				}

-				break;

-			case '-1':

-				if($this->getUserRole() != AJAX_CHAT_ADMIN) {

-					$condition .= ' AND channel = '.($this->getPrivateChannelID());

-				} else {

-					$condition .= ' AND (channel > '.($this->getConfig('privateChannelDiff')-1).' AND channel < '.($this->getConfig('privateMessageDiff')).')';

-				}

-				break;

-			default:

-				if(($this->getUserRole() == AJAX_CHAT_ADMIN || !$this->getConfig('logsUserAccessChannelList') || in_array($this->getRequestVar('channelID'), $this->getConfig('logsUserAccessChannelList')))

-					&& $this->validateChannel($this->getRequestVar('channelID'))) {

-					$condition .= ' AND channel = '.$this->db->makeSafe($this->getRequestVar('channelID'));

-				} else {

-					// No valid channel:

-					$condition .= ' AND 0 = 1';

-				}

-		}

-		

-		// Check the period condition:

-		$hour	= ($this->getRequestVar('hour') === null || $this->getRequestVar('hour') > 23 || $this->getRequestVar('hour') < 0) ? null : $this->getRequestVar('hour');

-		$day	= ($this->getRequestVar('day') === null || $this->getRequestVar('day') > 31 || $this->getRequestVar('day') < 1) ? null : $this->getRequestVar('day');

-		$month	= ($this->getRequestVar('month') === null || $this->getRequestVar('month') > 12 || $this->getRequestVar('month') < 1) ? null : $this->getRequestVar('month');

-		$year	= ($this->getRequestVar('year') === null || $this->getRequestVar('year') > date('Y') || $this->getRequestVar('year') < $this->getConfig('logsFirstYear')) ? null : $this->getRequestVar('year');

-

-		// If a time (hour) is given but no date (year, month, day), use the current date:

-		if($hour !== null) {

-			if($day === null)

-				$day = date('j');

-			if($month === null)

-				$month = date('n');

-			if($year === null)

-				$year = date('Y');

-		}

-		

-		if($year === null) {

-			// No year given, so no period condition

-		} else if($month === null) {

-			// Define the given year as period:

-			$periodStart = mktime(0, 0, 0, 1, 1, $year);

-			// The last day in a month can be expressed by using 0 for the day of the next month:

-			$periodEnd = mktime(23, 59, 59, 13, 0, $year);

-		} else if($day === null) {

-			// Define the given month as period:

-			$periodStart = mktime(0, 0, 0, $month, 1, $year);

-			// The last day in a month can be expressed by using 0 for the day of the next month:

-			$periodEnd = mktime(23, 59, 59, $month+1, 0, $year);

-		} else if($hour === null){

-			// Define the given day as period:

-			$periodStart = mktime(0, 0, 0, $month, $day, $year);

-			$periodEnd = mktime(23, 59, 59, $month, $day, $year);

-		} else {

-			// Define the given hour as period:

-			$periodStart = mktime($hour, 0, 0, $month, $day, $year);

-			$periodEnd = mktime($hour, 59, 59, $month, $day, $year);

-		}

-		

-		if(isset($periodStart))

-			$condition .= ' AND dateTime > \''.date('Y-m-d H:i:s', $periodStart).'\' AND dateTime <= \''.date('Y-m-d H:i:s', $periodEnd).'\'';

-		

-		// Check the search condition:

-		if($this->getRequestVar('search')) {

-			if(($this->getUserRole() == AJAX_CHAT_ADMIN || $this->getUserRole() == AJAX_CHAT_MODERATOR) && strpos($this->getRequestVar('search'), 'ip=') === 0) {

-				// Search for messages with the given IP:

-				$ip = substr($this->getRequestVar('search'), 3);

-				$condition .= ' AND (ip = '.$this->db->makeSafe($this->ipToStorageFormat($ip)).')';

-			} else if(strpos($this->getRequestVar('search'), 'userID=') === 0) {

-				// Search for messages with the given userID:

-				$userID = substr($this->getRequestVar('search'), 7);

-				$condition .= ' AND (userID = '.$this->db->makeSafe($userID).')';

-			} else {

-				// Use the search value as regular expression on message text and username:

-				$condition .= ' AND (userName REGEXP '.$this->db->makeSafe($this->getRequestVar('search')).' OR text REGEXP '.$this->db->makeSafe($this->getRequestVar('search')).')';

-			}

-		}

-		

-		// If no period or search condition is given, just monitor the last messages on the given channel:

-		if(!isset($periodStart) && !$this->getRequestVar('search')) {

-			$condition .= ' AND NOW() < DATE_ADD(dateTime, interval '.$this->getConfig('logsRequestMessagesTimeDiff').' HOUR)';

-		}

-

-		return $condition;

-	}

-

-	function getLogsViewMessagesXML() {

-		$sql = 'SELECT

-					id,

-					userID,

-					userName,

-					userRole,

-					channel AS channelID,

-					UNIX_TIMESTAMP(dateTime) AS timeStamp,

-					ip,

-					text

-				FROM

-					'.$this->getDataBaseTable('messages').'

-				WHERE

-					'.$this->getLogsViewCondition().'

-				ORDER BY

-					id

-				LIMIT '.$this->getConfig('logsRequestMessagesLimit').';';

-					

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-

-		$xml = '<messages>';

-		while($row = $result->fetch()) {

-			$xml .= '<message';

-			$xml .= ' id="'.$row['id'].'"';

-			$xml .= ' dateTime="'.date('r', $row['timeStamp']).'"';

-			$xml .= ' userID="'.$row['userID'].'"';

-			$xml .= ' userRole="'.$row['userRole'].'"';

-			$xml .= ' channelID="'.$row['channelID'].'"';

-			if($this->getUserRole() == AJAX_CHAT_ADMIN || $this->getUserRole() == AJAX_CHAT_MODERATOR) {

-				$xml .= ' ip="'.$this->ipFromStorageFormat($row['ip']).'"';					

-			}

-			$xml .= '>';

-			$xml .= '<username><![CDATA['.$this->encodeSpecialChars($row['userName']).']]></username>';

-			$xml .= '<text><![CDATA['.$this->encodeSpecialChars($row['text']).']]></text>';

-			$xml .= '</message>';

-		}

-		$result->free();

-

-		$xml .= '</messages>';

-		

-		return $xml;

-	}

-	

-	function getLogsViewXMLMessages() {

-		$xml = '<?xml version="1.0" encoding="UTF-8"?>';

-		$xml .= '<root>';

-		$xml .= $this->getInfoMessagesXML();

-		$xml .= $this->getLogsViewMessagesXML();

-		$xml .= '</root>';		

-		return $xml;

-	}

-		

-	function purgeLogs() {

-		$sql = 'DELETE FROM

-					'.$this->getDataBaseTable('messages').'

-				WHERE

-					dateTime < DATE_SUB(NOW(), interval '.$this->getConfig('logsPurgeTimeDiff').' DAY);';

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-	}

-	

-	function getInfoMessages($type=null) {

-		if(!isset($this->_infoMessages)) {

-			$this->_infoMessages = array();

-		}

-		if($type) {

-			if(!isset($this->_infoMessages[$type])) {

-				$this->_infoMessages[$type] = array();

-			}

-			return $this->_infoMessages[$type];

-		} else {

-			return $this->_infoMessages;

-		}

-	}

-	

-	function addInfoMessage($info, $type='error') {

-		if(!isset($this->_infoMessages)) {

-			$this->_infoMessages = array();

-		}

-		if(!isset($this->_infoMessages[$type])) {

-			$this->_infoMessages[$type] = array();

-		}	

-		if(!in_array($info, $this->_infoMessages[$type])) {

-			array_push($this->_infoMessages[$type], $info);

-		}

-	}

-	

-	function getRequestVars() {

-		return $this->_requestVars;

-	}

-	

-	function getRequestVar($key) {

-		if($this->_requestVars && isset($this->_requestVars[$key])) {

-			return $this->_requestVars[$key];

-		}

-		return null;

-	}

-	

-	function setRequestVar($key, $value) {

-		if(!$this->_requestVars) {

-			$this->_requestVars = array();

-		}

-		$this->_requestVars[$key] = $value;

-	}

-

-	function getOnlineUsersData($channelIDs=null, $key=null, $value=null) {

-		if($this->_onlineUsersData === null) {

-			$this->_onlineUsersData = array();

-			

-			$sql = 'SELECT

-						userID,

-						userName,

-						userRole,

-						channel,

-						UNIX_TIMESTAMP(dateTime) AS timeStamp,

-						ip

-					FROM

-						'.$this->getDataBaseTable('online').'

-					ORDER BY

-						userName;';

-			

-			// Create a new SQL query:

-			$result = $this->db->sqlQuery($sql);

-			

-			// Stop if an error occurs:

-			if($result->error()) {

-				echo $result->getError();

-				die();

-			}

-			

-			while($row = $result->fetch()) {

-				$row['ip'] = $this->ipFromStorageFormat($row['ip']);

-				array_push($this->_onlineUsersData, $row);

-			}

-			

-			$result->free();

-		}

-		

-		if($channelIDs || $key) {

-			$onlineUsersData = array();		

-			foreach($this->_onlineUsersData as $userData) {

-				if($channelIDs && !in_array($userData['channel'], $channelIDs)) {

-					continue;

-				}

-				if($key) {

-					if(!isset($userData[$key])) {

-						return $onlineUsersData;

-					}

-					if($value !== null) {

-						if($userData[$key] == $value) {

-							array_push($onlineUsersData, $userData);

-						} else {

-							continue;

-						}

-					} else {

-						array_push($onlineUsersData, $userData[$key]);	

-					}

-				} else {

-					array_push($onlineUsersData, $userData);

-				}

-			}

-			return $onlineUsersData;

-		}

-		

-		return $this->_onlineUsersData;

-	}

-

-	function removeUserFromOnlineUsersData($userID=null) {

-		if(!$this->_onlineUsersData) {

-			return;

-		}

-		$userID = ($userID === null) ? $this->getUserID() : $userID;

-		for($i=0; $i<count($this->_onlineUsersData); $i++) {

-			if($this->_onlineUsersData[$i]['userID'] == $userID) {

-				array_splice($this->_onlineUsersData, $i, 1);

-				break;	

-			}

-		}

-	}

-	

-	function resetOnlineUsersData() {

-		$this->_onlineUsersData = null;

-	}

-

-	function getOnlineUsers($channelIDs=null) {

-		return $this->getOnlineUsersData($channelIDs, 'userName');

-	}

-

-	function getOnlineUserIDs($channelIDs=null) {

-		return $this->getOnlineUsersData($channelIDs, 'userID');

-	}

-

-	function startSession() {

-		if(!session_id()) {

-			// Set the session name:

-			session_name($this->getConfig('sessionName'));

-

-			// Set session cookie parameters:

-			session_set_cookie_params(

-				0, // The session is destroyed on logout anyway, so no use to set this

-				$this->getConfig('sessionCookiePath'),

-				$this->getConfig('sessionCookieDomain'),

-				$this->getConfig('sessionCookieSecure')

-			);

-

-			// Start the session:

-			session_start();

-			

-			// We started a new session:

-			$this->_sessionNew = true;

-		}

-	}

-	

-	function destroySession() {

-		if($this->_sessionNew) {	

-			// Delete all session variables:

-			$_SESSION = array();

-			

-			// Delete the session cookie:

-			if (isset($_COOKIE[session_name()])) {

-				setcookie(

-					session_name(),

-					'',

-					time()-42000,

-					$this->getConfig('sessionCookiePath'),

-					$this->getConfig('sessionCookieDomain'),

-					$this->getConfig('sessionCookieSecure')

-				);

-			}

-			

-			// Destroy the session:

-			session_destroy();

-		} else {

-			// Unset all session variables starting with the sessionKeyPrefix:

-			foreach($_SESSION as $key=>$value) {

-				if(strpos($key, $this->getConfig('sessionKeyPrefix')) === 0) {

-					unset($_SESSION[$key]);

-				}

-			}

-		}

-	}

-

-	function regenerateSessionID() {

-		if($this->_sessionNew) {

-			// Regenerate session id:

-			@session_regenerate_id(true);

-		}

-	}

-

-	function getSessionVar($key, $prefix=null) {

-		if($prefix === null)

-			$prefix = $this->getConfig('sessionKeyPrefix');

-

-		// Return the session value if existing:

-		if(isset($_SESSION[$prefix.$key]))

-			return $_SESSION[$prefix.$key];

-		else

-			return null;

-	}

-	

-	function setSessionVar($key, $value, $prefix=null) {

-		if($prefix === null)

-			$prefix = $this->getConfig('sessionKeyPrefix');

-		

-		// Set the session value:

-		$_SESSION[$prefix.$key] = $value;

-	}

-	

-	function getSessionIP() {

-		return $this->getSessionVar('IP');

-	}

-	

-	function setSessionIP($ip) {

-		$this->setSessionVar('IP', $ip);

-	}

-	

-	function getQueryUserName() {

-		return $this->getSessionVar('QueryUserName');

-	}

-	

-	function setQueryUserName($userName) {

-		$this->setSessionVar('QueryUserName', $userName);

-	}

-	

-	function getInvitations() {

-		if($this->_invitations === null) {

-			$this->_invitations = array();

-			

-			$sql = 'SELECT

-						channel

-					FROM

-						'.$this->getDataBaseTable('invitations').'

-					WHERE

-						userID='.$this->db->makeSafe($this->getUserID()).'

-						AND

-						DATE_SUB(NOW(), interval 1 DAY) < dateTime;';

-			

-			// Create a new SQL query:

-			$result = $this->db->sqlQuery($sql);

-			

-			// Stop if an error occurs:

-			if($result->error()) {

-				echo $result->getError();

-				die();

-			}

-			

-			while($row = $result->fetch()) {

-				array_push($this->_invitations, $row['channel']);

-			}

-			

-			$result->free();

-		}

-		return $this->_invitations;

-	}

-

-	function removeExpiredInvitations() {

-		$sql = 'DELETE FROM

-					'.$this->getDataBaseTable('invitations').'

-				WHERE

-					DATE_SUB(NOW(), interval 1 DAY) > dateTime;';

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-	}

-

-	function addInvitation($userID, $channelID=null) {

-		$this->removeExpiredInvitations();

-

-		$channelID = ($channelID === null) ? $this->getChannel() : $channelID;

-

-		$sql = 'INSERT INTO '.$this->getDataBaseTable('invitations').'(

-					userID,

-					channel,

-					dateTime

-				)

-				VALUES (

-					'.$this->db->makeSafe($userID).',

-					'.$this->db->makeSafe($channelID).',

-					NOW()

-				);';	

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-	}

-

-	function removeInvitation($userID, $channelID=null) {

-		$channelID = ($channelID === null) ? $this->getChannel() : $channelID;

-

-		$sql = 'DELETE FROM

-					'.$this->getDataBaseTable('invitations').'

-				WHERE

-					userID='.$this->db->makeSafe($userID).'

-					AND

-					channel='.$this->db->makeSafe($channelID).';';

-		

-		// Create a new SQL query:

-		$result = $this->db->sqlQuery($sql);

-		

-		// Stop if an error occurs:

-		if($result->error()) {

-			echo $result->getError();

-			die();

-		}

-	}

-	

-	function getUserID() {

-		return $this->getSessionVar('UserID');

-	}

-	

-	function setUserID($id) {

-		$this->setSessionVar('UserID', $id);

-	}

-

-	function getUserName() {

-		return $this->getSessionVar('UserName');

-	}

-	

-	function setUserName($name) {

-		$this->setSessionVar('UserName', $name);

-	}

-

-	function getLoginUserName() {

-		return $this->getSessionVar('LoginUserName');

-	}

-	

-	function setLoginUserName($name) {

-		$this->setSessionVar('LoginUserName', $name);

-	}

-

-	function getUserRole() {		

-		$userRole = $this->getSessionVar('UserRole');

-		if($userRole === null)

-			return AJAX_CHAT_GUEST;

-		return $userRole;

-	}

-	

-	function setUserRole($role) {

-		$this->setSessionVar('UserRole', $role);

-	}

-

-	function getChannel() {

-		return $this->getSessionVar('Channel');

-	}

-	

-	function setChannel($channel) {

-		$this->setSessionVar('Channel', $channel);

-		

-		// Save the channel enter timestamp:

-		$this->setChannelEnterTimeStamp(time());

-		

-		// Update the channel authentication for the socket server:

-		if($this->getConfig('socketServerEnabled')) {

-			$this->updateSocketAuthentication(

-				$this->getUserID(),

-				$this->getSocketRegistrationID(),

-				array($channel,$this->getPrivateMessageID())

-			);

-		}

-

-		// Reset the logs view socket authentication session var:		

-		if($this->getSessionVar('logsViewSocketAuthenticated')) {

-			$this->setSessionVar('logsViewSocketAuthenticated', false);

-		}

-	}

-

-	function isLoggedIn() {

-		return (bool)$this->getSessionVar('LoggedIn');

-	}

-	

-	function setLoggedIn($bool) {

-		$this->setSessionVar('LoggedIn', $bool);

-	}

-	

-	function getLoginTimeStamp() {

-		return $this->getSessionVar('LoginTimeStamp');

-	}

-

-	function setLoginTimeStamp($time) {

-		$this->setSessionVar('LoginTimeStamp', $time);

-	}

-

-	function getChannelEnterTimeStamp() {

-		return $this->getSessionVar('ChannelEnterTimeStamp');

-	}

-

-	function setChannelEnterTimeStamp($time) {

-		$this->setSessionVar('ChannelEnterTimeStamp', $time);

-	}

-

-	function getStatusUpdateTimeStamp() {

-		return $this->getSessionVar('StatusUpdateTimeStamp');

-	}

-

-	function setStatusUpdateTimeStamp($time) {

-		$this->setSessionVar('StatusUpdateTimeStamp', $time);

-	}

-

-	function getInactiveCheckTimeStamp() {

-		return $this->getSessionVar('InactiveCheckTimeStamp');

-	}

-

-	function setInactiveCheckTimeStamp($time) {

-		$this->setSessionVar('InactiveCheckTimeStamp', $time);

-	}

-	

-	function getInsertedMessagesRate() {

-		return $this->getSessionVar('InsertedMessagesRate');

-	}

-	

-	function setInsertedMessagesRate($rate) {

-		$this->setSessionVar('InsertedMessagesRate', $rate);

-	}

-

-	function getInsertedMessagesRateTimeStamp() {

-		return $this->getSessionVar('InsertedMessagesRateTimeStamp');

-	}

-

-	function setInsertedMessagesRateTimeStamp($time) {

-		$this->setSessionVar('InsertedMessagesRateTimeStamp', $time);

-	}

-

-	function getLangCode() {

-		// Get the langCode from request or cookie:

-		$langCodeCookie = isset($_COOKIE[$this->getConfig('sessionName').'_lang']) ? $_COOKIE[$this->getConfig('sessionName').'_lang'] : null;

-		$langCode = $this->getRequestVar('lang') ? $this->getRequestVar('lang') : $langCodeCookie;

-		// Check if the langCode is valid:

-		if(!in_array($langCode, $this->getConfig('langAvailable'))) {

-			// Determine the user language:

-			$language = new AJAXChatLanguage($this->getConfig('langAvailable'), $this->getConfig('langDefault'));

-			$langCode = $language->getLangCode();

-		}

-		return $langCode;

-	}

-

-	function setLangCodeCookie() {

-		setcookie(

-			$this->getConfig('sessionName').'_lang',

-			$this->getLangCode(),

-			time()+60*60*24*$this->getConfig('sessionCookieLifeTime'),

-			$this->getConfig('sessionCookiePath'),

-			$this->getConfig('sessionCookieDomain'),

-			$this->getConfig('sessionCookieSecure')

-		);

-	}

-

-	function removeUnsafeCharacters($str) {

-		// Remove NO-WS-CTL, non-whitespace control characters (RFC 2822), decimal 1–8, 11–12, 14–31, and 127:

-		return AJAXChatEncoding::removeUnsafeCharacters($str);

-	}

-

-	function subString($str, $start=0, $length=null, $encoding='UTF-8') {

-		return AJAXChatString::subString($str, $start, $length, $encoding);

-	}

-	

-	function stringLength($str, $encoding='UTF-8') {

-		return AJAXChatString::stringLength($str, $encoding);

-	}

-

-	function trimMessageText($text) {

-		return $this->trimString($text, 'UTF-8', $this->getConfig('messageTextMaxLength'));

-	}

-

-	function trimUserName($userName) {

-		return $this->trimString($userName, null, $this->getConfig('userNameMaxLength'), true, true);

-	}

-	

-	function trimChannelName($channelName) {		

-		return $this->trimString($channelName, null, null, true, true);

-	}

-

-	function trimString($str, $sourceEncoding=null, $maxLength=null, $replaceWhitespace=false, $decodeEntities=false, $htmlEntitiesMap=null) {

-		// Make sure the string contains valid unicode:

-		$str = $this->convertToUnicode($str, $sourceEncoding);

-		

-		// Make sure the string contains no unsafe characters:

-		$str = $this->removeUnsafeCharacters($str);

-		

-		// Strip whitespace from the beginning and end of the string:

-		$str = trim($str);

-

-		if($replaceWhitespace) {

-			// Replace any whitespace in the userName with the underscore "_":

-			$str = preg_replace('/\s/u', '_', $str);	

-		}

-

-		if($decodeEntities) {

-			// Decode entities:

-			$str = $this->decodeEntities($str, 'UTF-8', $htmlEntitiesMap);	

-		}

-		

-		if($maxLength) {

-			// Cut the string to the allowed length:

-			$str = $this->subString($str, 0, $maxLength);

-		}

-		

-		return $str;

-	}

-	

-	function convertToUnicode($str, $sourceEncoding=null) {

-		if($sourceEncoding === null) {

-			$sourceEncoding = $this->getConfig('sourceEncoding');

-		}

-		return $this->convertEncoding($str, $sourceEncoding, 'UTF-8');

-	}

-	

-	function convertFromUnicode($str, $contentEncoding=null) {

-		if($contentEncoding === null) {

-			$contentEncoding = $this->getConfig('contentEncoding');

-		}

-		return $this->convertEncoding($str, 'UTF-8', $contentEncoding);

-	}

-

-	function convertEncoding($str, $charsetFrom, $charsetTo) {

-		return AJAXChatEncoding::convertEncoding($str, $charsetFrom, $charsetTo);

-	}

-

-	function encodeEntities($str, $encoding='UTF-8', $convmap=null) {

-		return AJAXChatEncoding::encodeEntities($str, $encoding, $convmap);

-	}

-

-	function decodeEntities($str, $encoding='UTF-8', $htmlEntitiesMap=null) {

-		return AJAXChatEncoding::decodeEntities($str, $encoding, $htmlEntitiesMap);

-	}

-	

-	function htmlEncode($str) {

-		return AJAXChatEncoding::htmlEncode($str, $this->getConfig('contentEncoding'));

-	}

-	

-	function encodeSpecialChars($str) {

-		return AJAXChatEncoding::encodeSpecialChars($str);

-	}

-

-	function decodeSpecialChars($str) {

-		return AJAXChatEncoding::decodeSpecialChars($str);

-	}

-

-	function ipToStorageFormat($ip) {

-		if(function_exists('inet_pton')) {

-			// ipv4 & ipv6:

-			return @inet_pton($ip);

-		}

-		// Only ipv4:

-		return @pack('N',@ip2long($ip));

-	}

-	

-	function ipFromStorageFormat($ip) {

-		if(function_exists('inet_ntop')) {

-			// ipv4 & ipv6:

-			return @inet_ntop($ip);

-		}

-		// Only ipv4:

-		$unpacked = @unpack('Nlong',$ip);

-		if(isset($unpacked['long'])) {

-			return @long2ip($unpacked['long']);

-		}

-		return null;

-	}

-	

-	function getConfig($key, $subkey=null) {

-		if($subkey)

-			return $this->_config[$key][$subkey];

-		else

-			return $this->_config[$key];

-	}

-

-	function setConfig($key, $subkey, $value) {

-		if($subkey) {

-			if(!isset($this->_config[$key])) {

-				$this->_config[$key] = array();

-			}

-			$this->_config[$key][$subkey] = $value;

-		} else {

-			$this->_config[$key] = $value;

-		}

-	}

-	

-	function getLang($key=null) {

-		if(!$this->_lang) {

-			// Include the language file:

-			$lang = null;

-			require(AJAX_CHAT_PATH.'lib/lang/'.$this->getLangCode().'.php');

-			$this->_lang = &$lang;

-		}

-		if($key === null)

-			return $this->_lang;

-		if(isset($this->_lang[$key]))

-			return $this->_lang[$key];

-		return null;

-	}

-

-	function getChatURL() {

-		if(defined('AJAX_CHAT_URL')) {

-			return AJAX_CHAT_URL;

-		}

-		

-		return

-			(isset($_SERVER['HTTPS']) ? 'https://' : 'http://').

-			(isset($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'].'@' : '').

-			(isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'].

-			(isset($_SERVER['HTTPS']) && $_SERVER['SERVER_PORT'] == 443 || $_SERVER['SERVER_PORT'] == 80 ? '' : ':'.$_SERVER['SERVER_PORT']))).

-			substr($_SERVER['SCRIPT_NAME'],0, strrpos($_SERVER['SCRIPT_NAME'], '/')+1);

-	}

-

-	function getIDFromName($userName) {

-		$userDataArray = $this->getOnlineUsersData(null,'userName',$userName);

-		if($userDataArray && isset($userDataArray[0])) {

-			return $userDataArray[0]['userID'];

-		}

-		return null;

-	}

-

-	function getNameFromID($userID) {

-		$userDataArray = $this->getOnlineUsersData(null,'userID',$userID);

-		if($userDataArray && isset($userDataArray[0])) {

-			return $userDataArray[0]['userName'];

-		}

-		return null;

-	}

-

-	function getChannelFromID($userID) {

-		$userDataArray = $this->getOnlineUsersData(null,'userID',$userID);

-		if($userDataArray && isset($userDataArray[0])) {

-			return $userDataArray[0]['channel'];

-		}

-		return null;

-	}

-

-	function getIPFromID($userID) {

-		$userDataArray = $this->getOnlineUsersData(null,'userID',$userID);

-		if($userDataArray && isset($userDataArray[0])) {

-			return $userDataArray[0]['ip'];

-		}

-		return null;

-	}

-	

-	function getRoleFromID($userID) {

-		$userDataArray = $this->getOnlineUsersData(null,'userID',$userID);

-		if($userDataArray && isset($userDataArray[0])) {

-			return $userDataArray[0]['userRole'];

-		}

-		return null;

-	}

-	

-	function getChannelNames() {

-		return array_flip($this->getChannels());

-	}

-	

-	function getChannelIDFromChannelName($channelName) {

-		if(!$channelName)

-			return null;

-		$channels = $this->getAllChannels();

-		if(array_key_exists($channelName,$channels)) {

-			return $channels[$channelName];

-		}

-		$channelID = null;

-		// Check if the requested channel is the own private channel:

-		if($channelName == $this->getPrivateChannelName()) {

-			return $this->getPrivateChannelID();

-		}

-		// Try to retrieve a private room ID:

-		$strlenChannelName = $this->stringLength($channelName);

-		$strlenPrefix = $this->stringLength($this->getConfig('privateChannelPrefix'));

-		$strlenSuffix = $this->stringLength($this->getConfig('privateChannelSuffix'));

-		if($this->subString($channelName,0,$strlenPrefix) == $this->getConfig('privateChannelPrefix')

-			&& $this->subString($channelName,$strlenChannelName-$strlenSuffix) == $this->getConfig('privateChannelSuffix')) {

-			$userName = $this->subString(

-							$channelName,

-							$strlenPrefix,

-							$strlenChannelName-($strlenPrefix+$strlenSuffix)

-						);

-			$userID = $this->getIDFromName($userName);

-			if($userID !== null) {

-				$channelID = $this->getPrivateChannelID($userID);

-			}

-		}

-		return $channelID;

-	}

-	

-	function getChannelNameFromChannelID($channelID) {

-		foreach($this->getAllChannels() as $key=>$value) {

-			if($value == $channelID) {

-				return $key;

-			}

-		}

-		// Try to retrieve a private room name:

-		if($channelID == $this->getPrivateChannelID()) {

-			return $this->getPrivateChannelName();

-		}

-		$userName = $this->getNameFromID($channelID-$this->getConfig('privateChannelDiff'));

-		if($userName === null) {

-			return null;

-		}

-		return $this->getPrivateChannelName($userName);

-	}

-	

-	function getChannelName() {

-		return $this->getChannelNameFromChannelID($this->getChannel());

-	}

-

-	function getPrivateChannelName($userName=null) {

-		if($userName === null) {

-			$userName = $this->getUserName();

-		}

-		return $this->getConfig('privateChannelPrefix').$userName.$this->getConfig('privateChannelSuffix');

-	}

-

-	function getPrivateChannelID($userID=null) {

-		if($userID === null) {

-			$userID = $this->getUserID();

-		}

-		return $userID + $this->getConfig('privateChannelDiff');

-	}

-	

-	function getPrivateMessageID($userID=null) {

-		if($userID === null) {

-			$userID = $this->getUserID();

-		}

-		return $userID + $this->getConfig('privateMessageDiff');

-	}

-

-	function isAllowedToSendPrivateMessage() {

-		if($this->getConfig('allowPrivateMessages') || $this->getUserRole() == AJAX_CHAT_ADMIN) {

-			return true;

-		}

-		return false;

-	}

-	

-	function isAllowedToCreatePrivateChannel() {

-		if($this->getConfig('allowPrivateChannels')) {

-			switch($this->getUserRole()) {

-				case AJAX_CHAT_USER:

-					return true;

-				case AJAX_CHAT_MODERATOR:

-					return true;

-				case AJAX_CHAT_ADMIN:

-					return true;

-				default:

-					return false;

-			}

-		}

-		return false;

-	}

-	

-	function isAllowedToListHiddenUsers() {

-		// Hidden users are users within private or restricted channels:

-		switch($this->getUserRole()) {

-			case AJAX_CHAT_MODERATOR:

-				return true;

-			case AJAX_CHAT_ADMIN:

-				return true;

-			default:

-				return false;

-		}

-	}

-

-	function isUserOnline($userID=null) {

-		$userID = ($userID === null) ? $this->getUserID() : $userID;

-		$userDataArray = $this->getOnlineUsersData(null,'userID',$userID);

-		if($userDataArray && count($userDataArray) > 0) {

-			return true;

-		}

-		return false;

-	}

-

-	function isUserNameInUse($userName=null) {

-		$userName = ($userName === null) ? $this->getUserName() : $userName;

-		$userDataArray = $this->getOnlineUsersData(null,'userName',$userName);

-		if($userDataArray && count($userDataArray) > 0) {

-			return true;

-		}

-		return false;

-	}

-	

-	function isUserBanned($userName, $userID=null, $ip=null) {

-		if($userID !== null) {

-			$bannedUserDataArray = $this->getBannedUsersData('userID',$userID);

-			if($bannedUserDataArray && isset($bannedUserDataArray[0])) {

-				return true;

-			}

-		}

-		if($ip !== null) {

-			$bannedUserDataArray = $this->getBannedUsersData('ip',$ip);

-			if($bannedUserDataArray && isset($bannedUserDataArray[0])) {

-				return true;

-			}

-		}

-		$bannedUserDataArray = $this->getBannedUsersData('userName',$userName);

-		if($bannedUserDataArray && isset($bannedUserDataArray[0])) {

-			return true;

-		}	

-		return false;

-	}

-	

-	function isMaxUsersLoggedIn() {

-		if(count($this->getOnlineUsersData()) >= $this->getConfig('maxUsersLoggedIn')) {

-			return true;

-		}

-		return false;

-	}

-			

-	function validateChannel($channelID) {

-		if($channelID === null) {

-			return false;

-		}

-		// Return true for normal channels the user has acces to:

-		if(in_array($channelID, $this->getChannels())) {

-			return true;

-		}

-		// Return true if the user is allowed to join his own private channel:

-		if($channelID == $this->getPrivateChannelID() && $this->isAllowedToCreatePrivateChannel()) {

-			return true;

-		}

-		// Return true if the user has been invited to a restricted or private channel:

-		if(in_array($channelID, $this->getInvitations())) {

-			return true;	

-		}

-		// No valid channel, return false:

-		return false;

-	}

-	

-	function createGuestUserName() {

-		$maxLength =	$this->getConfig('userNameMaxLength')

-						- $this->stringLength($this->getConfig('guestUserPrefix'))

-						- $this->stringLength($this->getConfig('guestUserSuffix'));

-

-		// seed with microseconds since last "whole" second:

-		mt_srand((double)microtime()*1000000);

-

-		// Create a random userName using numbers between 100000 and 999999:

-		$userName = substr(mt_rand(100000, 999999), 0, $maxLength);

-

-		return $this->getConfig('guestUserPrefix').$userName.$this->getConfig('guestUserSuffix');

-	}

-	

-	// Guest userIDs must not interfere with existing userIDs and must be lower than privateChannelDiff:

-	function createGuestUserID() {

-		// seed with microseconds since last "whole" second:

-		mt_srand((double)microtime()*1000000);

-		

-		return mt_rand($this->getConfig('minGuestUserID'), $this->getConfig('privateChannelDiff')-1);

-	}

-

-	function getGuestUser() {

-		if(!$this->getConfig('allowGuestLogins'))

-			return null;

-

-		if($this->getConfig('allowGuestUserName')) {

-			$maxLength =	$this->getConfig('userNameMaxLength')

-							- $this->stringLength($this->getConfig('guestUserPrefix'))

-							- $this->stringLength($this->getConfig('guestUserSuffix'));

-

-			// Trim guest userName:

-			$userName = $this->trimString($this->getRequestVar('userName'), null, $maxLength, true, true);

-

-			// If given userName is invalid, create one:

-			if(!$userName) {

-				$userName = $this->createGuestUserName();

-			} else {

-				// Add the guest users prefix and suffix to the given userName:

-				$userName = $this->getConfig('guestUserPrefix').$userName.$this->getConfig('guestUserSuffix');	

-			}

-		} else {

-			$userName = $this->createGuestUserName();

-		}

-

-		$userData = array();

-		$userData['userID'] = $this->createGuestUserID();

-		$userData['userName'] = $userName;

-		$userData['userRole'] = AJAX_CHAT_GUEST;

-		return $userData;		

-	}

-

-	function getCustomVar($key) {

-		if(!isset($this->_customVars))

-			$this->_customVars = array();

-		if(!isset($this->_customVars[$key]))

-			return null;

-		return $this->_customVars[$key];

-	}

-	

-	function setCustomVar($key, $value) {

-		if(!isset($this->_customVars))

-			$this->_customVars = array();

-		$this->_customVars[$key] = $value;

-	}

-

-	// Override to replace custom template tags:

-	// Return the replacement for the given tag (and given tagContent)	

-	function replaceCustomTemplateTags($tag, $tagContent) {

-		return null;

-	}

-

-	// Override to initialize custom configuration settings:

-	function initCustomConfig() {

-	}

-

-	// Override to add custom request variables:

-	// Add values to the request variables array: $this->_requestVars['customVariable'] = null;

-	function initCustomRequestVars() {

-	}

-

-	// Override to add custom session code right after the session has been started:

-	function initCustomSession() {

-	}

-

-	// Override, to parse custom info requests:

-	// $infoRequest contains the current info request

-	// Add info responses using the method addInfoMessage($info, $type)

-	function parseCustomInfoRequest($infoRequest) {

-	}

-

-	// Override to replace custom text:

-	// Return replaced text

-	// $text contains the whole message

-	function replaceCustomText(&$text) {

-		return $text;

-	}

-

-	// Override to add custom commands:

-	// Return true if a custom command has been successfully parsed, else false

-	// $text contains the whole message, $textParts the message split up as words array

-	function parseCustomCommands($text, $textParts) {

-		return false;

-	}

-

-	// Override to perform custom actions on new messages:

-	// Return true if message may be inserted, else false

-	// $text contains the whole message

-	function onNewMessage($text) {

-		return true;

-	}

-

-	// Override to perform custom actions on new messages:

-	// Method to set the style cookie depending on user data

-	function setStyle() {

-	}

-

-	// Override:

-	// Returns true if the userID of the logged in user is identical to the userID of the authentication system

-	// or the user is authenticated as guest in the chat and the authentication system

-	function revalidateUserID() {

-		return true;

-	}

-	

-	// Override:

-	// Returns an associative array containing userName, userID and userRole

-	// Returns null if login is invalid

-	function getValidLoginUserData() {

-		// Check if we have a valid registered user:

-		if(false) {

-			// Here is the place to check user authentication

-		} else {

-			// Guest users:

-			return $this->getGuestUser();

-		}

-	}

-

-	// Override:

-	// Store the channels the current user has access to

-	// Make sure channel names don't contain any whitespace

-	function &getChannels() {

-		if($this->_channels === null) {

-			$this->_channels = $this->getAllChannels();

-		}

-		return $this->_channels;

-	}

-

-	// Override:

-	// Store all existing channels

-	// Make sure channel names don't contain any whitespace

-	function &getAllChannels() {

-		if($this->_allChannels === null) {

-			$this->_allChannels = array();

-			

-			// Default channel, public to everyone:

-			$this->_allChannels[$this->trimChannelName($this->getConfig('defaultChannelName'))] = $this->getConfig('defaultChannelID');

-		}

-		return $this->_allChannels;

-	}

-

-}

-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatDataBase.php b/library/ajaxchat/chat/lib/class/AJAXChatDataBase.php
deleted file mode 100644
index 2143c5aa0..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatDataBase.php
+++ /dev/null
@@ -1,81 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to initialize the DataBase connection:
-class AJAXChatDataBase {
-
-	var $_db;
-
-	function __construct(&$dbConnectionConfig) {
-		switch($dbConnectionConfig['type']) {
-			case 'mysqli':
-				$this->_db = new AJAXChatDatabaseMySQLi($dbConnectionConfig);
-				break;
-			case 'mysql':
-				$this->_db = new AJAXChatDatabaseMySQL($dbConnectionConfig);
-				break;
-			default:
-				// Use MySQLi if available, else MySQL (and check the type of a given database connection object):
-				if(function_exists('mysqli_connect') && (!$dbConnectionConfig['link'] || is_object($dbConnectionConfig['link']))) {
-					$this->_db = new AJAXChatDatabaseMySQLi($dbConnectionConfig);
-				} else {
-					$this->_db = new AJAXChatDatabaseMySQL($dbConnectionConfig);	
-				}
-		}
-	}
-	
-	// Method to connect to the DataBase server:
-	function connect(&$dbConnectionConfig) {
-		return $this->_db->connect($dbConnectionConfig);
-	}
-	
-	// Method to select the DataBase:
-	function select($dbName) {
-		return $this->_db->select($dbName);
-	}
-	
-	// Method to determine if an error has occured:
-	function error() {
-		return $this->_db->error();
-	}
-	
-	// Method to return the error report:
-	function getError() {
-		return $this->_db->getError();
-	}
-	
-	// Method to return the connection identifier:
-	function &getConnectionID() {
-		return $this->_db->getConnectionID();
-	}
-	
-	// Method to prevent SQL injections:
-	function makeSafe($value) {
-		return $this->_db->makeSafe($value);
-	}
-
-	// Method to perform SQL queries:
-	function sqlQuery($sql) {
-		return $this->_db->sqlQuery($sql);
-	}
-	
-	// Method to retrieve the current DataBase name:
-	function getName() {
-		return $this->_db->getName(); 
-		//If your database has hyphens ( - ) in it, try using this instead:
-		//return '`'.$this->_db->getName().'`'; 
-	}
-
-	// Method to retrieve the last inserted ID:
-	function getLastInsertedID() {
-		return $this->_db->getLastInsertedID();
-	}
-
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatEncoding.php b/library/ajaxchat/chat/lib/class/AJAXChatEncoding.php
deleted file mode 100644
index 96b2482c7..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatEncoding.php
+++ /dev/null
@@ -1,138 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to provide static encoding methods
-class AJAXChatEncoding {
-
-	// Helper function to store special chars as we cannot use static class members in PHP4:
-	public static function getSpecialChars() {
-		static $specialChars;
-		if(!$specialChars) {
-			// As &apos; is not supported by IE, we use &#39; as replacement for "'":
-			$specialChars = array('&'=>'&amp;', '<'=>'&lt;', '>'=>'&gt;', "'"=>'&#39;', '"'=>'&quot;');	
-		}
-		return $specialChars;
-	}
-
-	// Helper function to store Regular expression for NO-WS-CTL as we cannot use static class members in PHP4:
-	public static function getRegExp_NO_WS_CTL() {
-		static $regExp_NO_WS_CTL;
-		if(!$regExp_NO_WS_CTL) {
-			// Regular expression for NO-WS-CTL, non-whitespace control characters (RFC 2822), decimal 1–8, 11–12, 14–31, and 127:
-			$regExp_NO_WS_CTL = '/[\x0\x1\x2\x3\x4\x5\x6\x7\x8\xB\xC\xE\xF\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F\x7F]/';
-		}
-		return $regExp_NO_WS_CTL;
-	}
-
-	public static function convertEncoding($str, $charsetFrom, $charsetTo) {
-		if(function_exists('mb_convert_encoding')) {
-			return mb_convert_encoding($str, $charsetTo, $charsetFrom);
-		}
-		if(function_exists('iconv')) {
-			return iconv($charsetFrom, $charsetTo, $str);
-		}
-		if(($charsetFrom == 'UTF-8') && ($charsetTo == 'ISO-8859-1')) {
-			return utf8_decode($str);
-		}
-		if(($charsetFrom == 'ISO-8859-1') && ($charsetTo == 'UTF-8')) {
-			return utf8_encode($str);
-		}
-		return $str;
-	}
-
-	public static function htmlEncode($str, $contentCharset='UTF-8') {
-		switch($contentCharset) {
-			case 'UTF-8':
-				// Encode only special chars (&, <, >, ', ") as entities:
-				return AJAXChatEncoding::encodeSpecialChars($str);
-				break;
-			case 'ISO-8859-1':
-			case 'ISO-8859-15':
-				// Encode special chars and all extended characters above ISO-8859-1 charset as entities, then convert to content charset:
-				return AJAXChatEncoding::convertEncoding(AJAXChatEncoding::encodeEntities($str, 'UTF-8', array(
-					0x26, 0x26, 0, 0xFFFF,	// &
-					0x3C, 0x3C, 0, 0xFFFF,	// <
-					0x3E, 0x3E, 0, 0xFFFF,	// >
-					0x27, 0x27, 0, 0xFFFF,	// '
-					0x22, 0x22, 0, 0xFFFF,	// "
-					0x100, 0x2FFFF, 0, 0xFFFF	// above ISO-8859-1
-				)), 'UTF-8', $contentCharset);
-				break;
-			default:
-				// Encode special chars and all characters above ASCII charset as entities, then convert to content charset:
-				return AJAXChatEncoding::convertEncoding(AJAXChatEncoding::encodeEntities($str, 'UTF-8', array(
-					0x26, 0x26, 0, 0xFFFF,	// &
-					0x3C, 0x3C, 0, 0xFFFF,	// <
-					0x3E, 0x3E, 0, 0xFFFF,	// >
-					0x27, 0x27, 0, 0xFFFF,	// '
-					0x22, 0x22, 0, 0xFFFF,	// "
-					0x80, 0x2FFFF, 0, 0xFFFF	// above ASCII
-				)), 'UTF-8', $contentCharset);
-		}
-	}
-
-	public static function encodeSpecialChars($str) {
-		return strtr($str, AJAXChatEncoding::getSpecialChars());
-	}
-
-	public static function decodeSpecialChars($str) {
-		return strtr($str, array_flip(AJAXChatEncoding::getSpecialChars()));
-	}
-
-	public static function encodeEntities($str, $encoding='UTF-8', $convmap=null) {
-		if($convmap && function_exists('mb_encode_numericentity')) {
-			return mb_encode_numericentity($str, $convmap, $encoding);
-		}
-		return htmlentities($str, ENT_QUOTES, $encoding);
-	}
-
-	public static function decodeEntities($str, $encoding='UTF-8', $htmlEntitiesMap=null) {
-		// Due to PHP bug #25670, html_entity_decode does not work with UTF-8 for PHP versions < 5:
-		if(function_exists('html_entity_decode') && version_compare(phpversion(), 5, '>=')) {
-			// Replace numeric and literal entities:
-			$str = html_entity_decode($str, ENT_QUOTES, $encoding);
-			// Replace additional literal HTML entities if an HTML entities map is given:
-			if($htmlEntitiesMap) {
-				$str = strtr($str, $htmlEntitiesMap);
-			}
-		} else {
-			// Replace numeric entities:
-			$str = preg_replace('~&#([0-9]+);~e', 'AJAXChatEncoding::unicodeChar("\\1")', $str);
-			$str = preg_replace('~&#x([0-9a-f]+);~ei', 'AJAXChatEncoding::unicodeChar(hexdec("\\1"))', $str);
-			// Replace literal entities:
-			$htmlEntitiesMap = $htmlEntitiesMap ? $htmlEntitiesMap : array_flip(get_html_translation_table(HTML_ENTITIES, ENT_QUOTES));
-			$str = strtr($str, $htmlEntitiesMap);
-		}
-		return $str;
-	}
-
-	public static function unicodeChar($c) {
-		if($c <= 0x7F) {
-			return chr($c);
-		} else if($c <= 0x7FF) {
-			return chr(0xC0 | $c >> 6) . chr(0x80 | $c & 0x3F);
-		} else if($c <= 0xFFFF) {
-			return chr(0xE0 | $c >> 12) . chr(0x80 | $c >> 6 & 0x3F)
-										. chr(0x80 | $c & 0x3F);
-		} else if($c <= 0x10FFFF) {
-			return chr(0xF0 | $c >> 18) . chr(0x80 | $c >> 12 & 0x3F)
-										. chr(0x80 | $c >> 6 & 0x3F)
-										. chr(0x80 | $c & 0x3F);
-		} else {
-			return null;
-		}
-	}
-
-	public static function removeUnsafeCharacters($str) {
-		// Remove NO-WS-CTL, non-whitespace control characters (RFC 2822), decimal 1–8, 11–12, 14–31, and 127:
-		return preg_replace(AJAXChatEncoding::getRegExp_NO_WS_CTL(), '', $str);
-	}
-
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatFileSystem.php b/library/ajaxchat/chat/lib/class/AJAXChatFileSystem.php
deleted file mode 100644
index c9626c36a..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatFileSystem.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to provide methods for file system access:
-class AJAXChatFileSystem {
-
-	public static function getFileContents($file) {
-		if(function_exists('file_get_contents')) {
-			return file_get_contents($file);
-		} else {
-			return(implode('', file($file)));
-		}
-	}
-
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatHTTPHeader.php b/library/ajaxchat/chat/lib/class/AJAXChatHTTPHeader.php
deleted file mode 100644
index 7340bfcf0..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatHTTPHeader.php
+++ /dev/null
@@ -1,56 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to manage HTTP header
-class AJAXChatHTTPHeader {
-
-	var $_contentType;
-	var $_constant;
-	var $_noCache;
-
-	function __construct($encoding='UTF-8', $contentType=null, $noCache=true) {
-		if($contentType) {
-			$this->_contentType = $contentType.'; charset='.$encoding;
-			$this->_constant = true;
-		} else {
-			if(isset($_SERVER['HTTP_ACCEPT']) && (strpos($_SERVER['HTTP_ACCEPT'],'application/xhtml+xml') !== false)) {
-				$this->_contentType = 'application/xhtml+xml; charset='.$encoding;
-			} else {
-	 			$this->_contentType = 'text/html; charset='.$encoding;
-			}
-			$this->_constant = false;
-		}
-		$this->_noCache = $noCache;
-	}
-
-	// Method to send the HTTP header:
-	function send() {
-		// Prevent caching:
-		if($this->_noCache) {
-			header('Cache-Control: no-cache, must-revalidate');
-			header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
-		}
-		
-		// Send the content-type-header:
-		header('Content-Type: '.$this->_contentType);
-		
-		// Send vary header if content-type varies (important for proxy-caches):
-		if(!$this->_constant) {
-			header('Vary: Accept');
-		}
-	}
-    
-	// Method to return the content-type string:
-	function getContentType() {
-		// Return the content-type string:
-		return $this->_contentType;
-	}
-
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatLanguage.php b/library/ajaxchat/chat/lib/class/AJAXChatLanguage.php
deleted file mode 100644
index b19724710..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatLanguage.php
+++ /dev/null
@@ -1,102 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-class AJAXChatLanguage {
-
-	var $_regExpAcceptLangCode;
-	var $_availableLangCodes;
-	var $_defaultLangCode;
-	var $_strictMode;
-	var $_langCode;
-
-	function __construct($availableLangCodes, $defaultLangCode, $langCode=null, $strictMode=false) {
-		$this->_regExpAcceptLangCode = '/^([a-z]{1,8}(?:-[a-z]{1,8})*)(?:;\s*q=(0(?:\.[0-9]{1,3})?|1(?:\.0{1,3})?))?$/i';
-		$this->_availableLangCodes = $availableLangCodes;
-		$this->_defaultLangCode = $defaultLangCode;
-		if($langCode && in_array($langCode, $availableLangCodes)) {
-			$this->_langCode = $langCode;
-		}
-		$this->_strictMode = $strictMode;
-	}
-	
-	// Method to detect the language code from the HTTP_ACCEPT_LANGUAGE header:
-	function detectLangCode() {
-		// If HTTP_ACCEPT_LANGUAGE is empty use defaultLangCode:
-		if(empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
-			$this->_langCode = $this->_defaultLangCode;
-			return;
-		}
-
-		// Split up the HTTP_ACCEPT_LANGUAGE header:
-		$acceptedLanguages = preg_split('/,\s*/', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
-		
-		$currentLangCode = $this->_defaultLangCode;
-		$currentLangQuality = 0.0;
-		
-		foreach($acceptedLanguages as $acceptedLanguage) {
-			// Parse the language string:
-			$match = preg_match($this->_regExpAcceptLangCode, $acceptedLanguage, $matches);
-			// Check if the syntax is valid:
-			if(!$match) {
-				continue;
-			}
-			
-			// Get and split the language code:	
-			$langCodeParts = explode ('-', $matches[1]);
-			
-			// Get the language quality given as float value:
-			if(isset($matches[2])) {
-				$langQuality = (float)$matches[2];
-			} else {
-				// Missing language quality value is maximum quality:
-				$langQuality = 1.0;
-			}
-
-			//  Go through it until the language code is empty:
-			while(count($langCodeParts)) {
-				// Join the current langCodeParts:
-				$langCode = strtolower(join('-', $langCodeParts));
-				// Check if the langCode is in the available list:
-				if(in_array($langCode, $this->_availableLangCodes)) {
-					// Check the quality setting:
-					if ($langQuality > $currentLangQuality) {
-						$currentLangCode = $langCode;
-						$currentLangQuality = $langQuality;
-						break;
-					}
-				}
-				// If strict mode is set, don't minimalize the language code:
-				if($this->_strictMode) {
-					break;
-				}
-				// else chop off the right part:
-				array_pop($langCodeParts);
-			}
-		}
-		
-		$this->_langCode = $currentLangCode;
-	}
-
-	function getLangCode() {
-		if(!$this->_langCode) {
-			$this->detectLangCode();
-		}
-		return $this->_langCode;
-	}
-	
-	function setLangCode($langCode) {
-		$this->_langCode = $langCode;
-	}
-
-	function getLangCodes() {
-		return $this->_availableLangCodes;
-	}
-	
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatMySQLDataBase.php b/library/ajaxchat/chat/lib/class/AJAXChatMySQLDataBase.php
deleted file mode 100644
index 6dca348d1..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatMySQLDataBase.php
+++ /dev/null
@@ -1,92 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to initialize the MySQL DataBase connection:
-class AJAXChatDataBaseMySQL {
-
-	var $_connectionID;
-	var $_errno = 0;
-	var $_error = '';
-	var $_dbName;
-
-	function __construct(&$dbConnectionConfig) {
-		$this->_connectionID = $dbConnectionConfig['link'];
-		$this->_dbName = $dbConnectionConfig['name'];
-	}
-	
-	// Method to connect to the DataBase server:
-	function connect(&$dbConnectionConfig) {
-		$this->_connectionID = @mysql_connect(
-			$dbConnectionConfig['host'],
-			$dbConnectionConfig['user'],
-			$dbConnectionConfig['pass'],
-			true
-		);
-		if(!$this->_connectionID) {
-			$this->_errno = null;
-			$this->_error = 'Database connection failed.';
-			return false;
-		}
-		return true;
-	}
-	
-	// Method to select the DataBase:
-	function select($dbName) {
-		if(!@mysql_select_db($dbName, $this->_connectionID)) {
-			$this->_errno = mysql_errno($this->_connectionID);
-			$this->_error = mysql_error($this->_connectionID);
-			return false;
-		}
-		$this->_dbName = $dbName;
-		return true;	
-	}
-	
-	// Method to determine if an error has occured:
-	function error() {
-		return (bool)$this->_error;
-	}
-	
-	// Method to return the error report:
-	function getError() {
-		if($this->error()) {
-			$str = 'Error-Report: '	.$this->_error."\n";
-			$str .= 'Error-Code: '.$this->_errno."\n";
-		} else {
-			$str = 'No errors.'."\n";
-		}
-		return $str;		
-	}
-	
-	// Method to return the connection identifier:
-	function &getConnectionID() {
-		return $this->_connectionID;
-	}
-	
-	// Method to prevent SQL injections:
-	function makeSafe($value) {
-		return "'".mysql_real_escape_string($value, $this->_connectionID)."'";
-	}
-	
-	// Method to perform SQL queries:
-	function sqlQuery($sql) {
-		return new AJAXChatMySQLQuery($sql, $this->_connectionID);
-	}
-
-	// Method to retrieve the current DataBase name:
-	function getName() {
-		return $this->_dbName;
-	}
-
-	// Method to retrieve the last inserted ID:
-	function getLastInsertedID() {
-		return mysql_insert_id($this->_connectionID);
-	}
-
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatMySQLQuery.php b/library/ajaxchat/chat/lib/class/AJAXChatMySQLQuery.php
deleted file mode 100644
index f2f3fd466..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatMySQLQuery.php
+++ /dev/null
@@ -1,89 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to perform SQL (MySQL) queries:
-class AJAXChatMySQLQuery {
-
-	var $_connectionID;
-	var $_sql = '';
-	var $_result = 0;
-	var $_errno = 0;
-	var $_error = '';
-
-	// Constructor:
-	function __construct($sql, $connectionID = null) {
-		$this->_sql = trim($sql);
-		$this->_connectionID = $connectionID;
-		if($this->_connectionID) {
-			$this->_result = mysql_query($this->_sql, $this->_connectionID);
-			if(!$this->_result) {
-				$this->_errno = mysql_errno($this->_connectionID);
-				$this->_error = mysql_error($this->_connectionID);
-			}
-		} else {
-			$this->_result = mysql_query($this->_sql);
-			if(!$this->_result) {
-				$this->_errno = mysql_errno();
-				$this->_error = mysql_error();
-			}	
-		}
-	}
-
-	// Returns true if an error occured:
-	function error() {
-		// Returns true if the Result-ID is valid:
-		return !(bool)($this->_result);
-	}
-
-	// Returns an Error-String:
-	function getError() {
-		if($this->error()) {
-			$str  = 'Query: '	 .$this->_sql  ."\n";
-			$str .= 'Error-Report: '	.$this->_error."\n";
-			$str .= 'Error-Code: '.$this->_errno;
-		} else {
-			$str = "No errors.";
-		}
-		return $str;
-	}
-
-	// Returns the content:
-	function fetch() {
-		if($this->error()) {
-			return null;
-		} else {
-			return mysql_fetch_assoc($this->_result);
-		}
-	}
-
-	// Returns the number of rows (SELECT or SHOW):
-	function numRows() {
-		if($this->error()) {
-			return null;
-		} else {
-			return mysql_num_rows($this->_result);
-		}
-	}
-
-	// Returns the number of affected rows (INSERT, UPDATE, REPLACE or DELETE):
-	function affectedRows() {
-		if($this->error()) {
-			return null;
-		} else {
-			return mysql_affected_rows($this->_connectionID);
-		}
-	}
-
-	// Frees the memory:
-	function free() {
-		@mysql_free_result($this->_result);
-	}
-	
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatMySQLiDataBase.php b/library/ajaxchat/chat/lib/class/AJAXChatMySQLiDataBase.php
deleted file mode 100644
index 9bc611e2d..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatMySQLiDataBase.php
+++ /dev/null
@@ -1,91 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to initialize the MySQL DataBase connection:
-class AJAXChatDataBaseMySQLi {
-
-	var $_connectionID;
-	var $_errno = 0;
-	var $_error = '';
-	var $_dbName;
-
-	function __construct(&$dbConnectionConfig) {
-		$this->_connectionID = $dbConnectionConfig['link'];
-		$this->_dbName = $dbConnectionConfig['name'];
-	}
-	
-	// Method to connect to the DataBase server:
-	function connect(&$dbConnectionConfig) {
-		@$this->_connectionID = new mysqli(
-			$dbConnectionConfig['host'],
-			$dbConnectionConfig['user'],
-			$dbConnectionConfig['pass']
-		);
-		if($this->_connectionID->connect_errno) {
-			$this->_errno = mysqli_connect_errno();
-			$this->_error = mysqli_connect_error();
-			return false;
-		}
-		return true;
-	}
-	
-	// Method to select the DataBase:
-	function select($dbName) {
-		if(!$this->_connectionID->select_db($dbName)) {
-			$this->_errno = $this->_connectionID->errno;
-			$this->_error = $this->_connectionID->error;
-			return false;
-		}
-		$this->_dbName = $dbName;
-		return true;	
-	}
-	
-	// Method to determine if an error has occured:
-	function error() {
-		return (bool)$this->_error;
-	}
-	
-	// Method to return the error report:
-	function getError() {
-		if($this->error()) {
-			$str = 'Error-Report: '	.$this->_error."\n";
-			$str .= 'Error-Code: '.$this->_errno."\n";
-		} else {
-			$str = 'No errors.'."\n";
-		}
-		return $str;		
-	}
-	
-	// Method to return the connection identifier:
-	function &getConnectionID() {
-		return $this->_connectionID;
-	}
-	
-	// Method to prevent SQL injections:
-	function makeSafe($value) {
-		return "'".$this->_connectionID->escape_string($value)."'";
-	}
-
-	// Method to perform SQL queries:
-	function sqlQuery($sql) {
-		return new AJAXChatMySQLiQuery($sql, $this->_connectionID);
-	}
-
-	// Method to retrieve the current DataBase name:
-	function getName() {
-		return $this->_dbName;
-	}
-
-	// Method to retrieve the last inserted ID:
-	function getLastInsertedID() {
-		return $this->_connectionID->insert_id;
-	}
-
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatMySQLiQuery.php b/library/ajaxchat/chat/lib/class/AJAXChatMySQLiQuery.php
deleted file mode 100644
index f81afd886..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatMySQLiQuery.php
+++ /dev/null
@@ -1,81 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to perform SQL (MySQLi) queries:
-class AJAXChatMySQLiQuery {
-
-	var $_connectionID;
-	var $_sql = '';
-	var $_result = 0;
-	var $_errno = 0;
-	var $_error = '';
-
-	// Constructor:
-	function __construct($sql, $connectionID) {
-		$this->_sql = trim($sql);
-		$this->_connectionID = $connectionID;
-		$this->_result = $this->_connectionID->query($this->_sql);
-		if(!$this->_result) {
-			$this->_errno = $this->_connectionID->errno;
-			$this->_error = $this->_connectionID->error;
-		}
-	}
-
-	// Returns true if an error occured:
-	function error() {
-		// Returns true if the Result-ID is valid:
-		return !(bool)($this->_result);
-	}
-
-	// Returns an Error-String:
-	function getError() {
-		if($this->error()) {
-			$str  = 'Query: '	 .$this->_sql  ."\n";
-			$str .= 'Error-Report: '	.$this->_error."\n";
-			$str .= 'Error-Code: '.$this->_errno;
-		} else {
-			$str = "No errors.";
-		}
-		return $str;
-	}
-
-	// Returns the content:
-	function fetch() {
-		if($this->error()) {
-			return null;
-		} else {
-			return $this->_result->fetch_assoc();
-		}
-	}
-
-	// Returns the number of rows (SELECT or SHOW):
-	function numRows() {
-		if($this->error()) {
-			return null;
-		} else {
-			return $this->_result->num_rows;
-		}
-	}
-
-	// Returns the number of affected rows (INSERT, UPDATE, REPLACE or DELETE):
-	function affectedRows() {
-		if($this->error()) {
-			return null;
-		} else {
-			return $this->_connectionID->affected_rows;
-		}
-	}
-
-	// Frees the memory:
-	function free() {
-		$this->_result->free();
-	}
-	
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatString.php b/library/ajaxchat/chat/lib/class/AJAXChatString.php
deleted file mode 100644
index 8997da5ea..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatString.php
+++ /dev/null
@@ -1,37 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to provide multibyte enabled string methods
-class AJAXChatString {
-
-	public static function subString($str, $start=0, $length=null, $encoding='UTF-8') {
-		if($length === null) {
-			$length = AJAXChatString::stringLength($str);
-		}		
-		if(function_exists('mb_substr')) {
-			return mb_substr($str, $start, $length, $encoding);
-		} else if(function_exists('iconv_substr')) {
-			return iconv_substr($str, $start, $length, $encoding);
-		} else {
-			return substr($str, $start, $length);
-		}
-	}
-	
-	public static function stringLength($str, $encoding='UTF-8') {
-		if(function_exists('mb_strlen')) {
-			return mb_strlen($str, $encoding);
-		} else if(function_exists('iconv_strlen')) {
-			return iconv_strlen($str, $encoding);
-		} else {
-			return strlen($str);
-		}
-	}
-
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/AJAXChatTemplate.php b/library/ajaxchat/chat/lib/class/AJAXChatTemplate.php
deleted file mode 100644
index 16e53a7e6..000000000
--- a/library/ajaxchat/chat/lib/class/AJAXChatTemplate.php
+++ /dev/null
@@ -1,329 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-// Class to handle HTML templates
-class AJAXChatTemplate {
-
-	var $ajaxChat;
-	var $_regExpTemplateTags;
-	var $_templateFile;
-	var $_contentType;
-	var $_content;
-	var $_parsedContent;
-
-	// Constructor:
-	function __construct(&$ajaxChat, $templateFile, $contentType=null) {
-		$this->ajaxChat = $ajaxChat;
-		$this->_regExpTemplateTags = '/\[(\w+?)(?:(?:\/)|(?:\](.+?)\[\/\1))\]/s';		
-		$this->_templateFile = $templateFile;
-		$this->_contentType = $contentType;
-	}
-
-	function getParsedContent() {
-		if(!$this->_parsedContent) {
-			$this->parseContent();
-		}
-		return $this->_parsedContent;
-	}
-
-	function getContent() {
-		if(!$this->_content) {
-			$this->_content = AJAXChatFileSystem::getFileContents($this->_templateFile);
-		}
-		return $this->_content;
-	}
-
-	function parseContent() {
-		$this->_parsedContent = $this->getContent();
-		
-		// Remove the XML declaration if the content-type is not xml:		
-		if($this->_contentType && (strpos($this->_contentType,'xml') === false)) {
-			$doctypeStart = strpos($this->_parsedContent, '<!DOCTYPE ');
-			if($doctypeStart !== false) {
-				// Removing the XML declaration (in front of the document type) prevents IE<7 to go into "Quirks mode":
-				$this->_parsedContent = substr($this->_parsedContent, $doctypeStart);	
-			}		
-		}
-
-		// Replace template tags ([TAG/] and [TAG]content[/TAG]) and return parsed template content:
-		$this->_parsedContent = preg_replace_callback($this->_regExpTemplateTags, array($this, 'replaceTemplateTags'), $this->_parsedContent);
-	}
-
-	function replaceTemplateTags($tagData) {
-		switch($tagData[1]) {
-			case 'AJAX_CHAT_URL':
-				return $this->ajaxChat->htmlEncode($this->ajaxChat->getChatURL());
-
-			case 'LANG':
-				return $this->ajaxChat->htmlEncode($this->ajaxChat->getLang((isset($tagData[2]) ? $tagData[2] : null)));				
-			case 'LANG_CODE':
-				return $this->ajaxChat->getLangCode();
-
-			case 'BASE_DIRECTION':
-				return $this->getBaseDirectionAttribute();
-
-			case 'CONTENT_ENCODING':
-				return $this->ajaxChat->getConfig('contentEncoding');
-					
-			case 'CONTENT_TYPE':
-				return $this->_contentType;
-		
-			case 'LOGIN_URL':
-				return ($this->ajaxChat->getRequestVar('view') == 'logs') ? './?view=logs' : './';
-				
-			case 'USER_NAME_MAX_LENGTH':
-				return $this->ajaxChat->getConfig('userNameMaxLength');
-			case 'MESSAGE_TEXT_MAX_LENGTH':
-				return $this->ajaxChat->getConfig('messageTextMaxLength');
-
-			case 'LOGIN_CHANNEL_ID':
-				return $this->ajaxChat->getValidRequestChannelID();
-				
-			case 'SESSION_NAME':
-				return $this->ajaxChat->getConfig('sessionName');
-				
-			case 'COOKIE_EXPIRATION':
-				return $this->ajaxChat->getConfig('sessionCookieLifeTime');
-			case 'COOKIE_PATH':
-				return $this->ajaxChat->getConfig('sessionCookiePath');
-			case 'COOKIE_DOMAIN':
-				return $this->ajaxChat->getConfig('sessionCookieDomain');
-			case 'COOKIE_SECURE':
-				return $this->ajaxChat->getConfig('sessionCookieSecure');
-				
-			case 'CHAT_BOT_NAME':
-				return rawurlencode($this->ajaxChat->getConfig('chatBotName'));
-			case 'CHAT_BOT_ID':
-				return $this->ajaxChat->getConfig('chatBotID');
-
-			case 'ALLOW_USER_MESSAGE_DELETE':
-				if($this->ajaxChat->getConfig('allowUserMessageDelete'))
-					return 1;
-				else
-					return 0;
-
-			case 'INACTIVE_TIMEOUT':
-				return $this->ajaxChat->getConfig('inactiveTimeout');
-
-			case 'PRIVATE_CHANNEL_DIFF':
-				return $this->ajaxChat->getConfig('privateChannelDiff');
-			case 'PRIVATE_MESSAGE_DIFF':
-				return $this->ajaxChat->getConfig('privateMessageDiff');
-
-			case 'SHOW_CHANNEL_MESSAGES':
-				if($this->ajaxChat->getConfig('showChannelMessages'))
-					return 1;
-				else
-					return 0;
-
-			case 'SOCKET_SERVER_ENABLED':
-				if($this->ajaxChat->getConfig('socketServerEnabled'))
-					return 1;
-				else
-					return 0;
-
-			case 'SOCKET_SERVER_HOST':
-				if($this->ajaxChat->getConfig('socketServerHost')) {
-					$socketServerHost = $this->ajaxChat->getConfig('socketServerHost');
-				} else {
-					$socketServerHost = (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME']);
-				}
-				return rawurlencode($socketServerHost);
-
-			case 'SOCKET_SERVER_PORT':
-				return $this->ajaxChat->getConfig('socketServerPort');
-
-			case 'SOCKET_SERVER_CHAT_ID':
-				return $this->ajaxChat->getConfig('socketServerChatID');
-
-			case 'STYLE_SHEETS':
-				return $this->getStyleSheetLinkTags();
-				
-			case 'CHANNEL_OPTIONS':
-				return $this->getChannelOptionTags();
-			case 'STYLE_OPTIONS':
-				return $this->getStyleOptionTags();
-			case 'LANGUAGE_OPTIONS':
-				return $this->getLanguageOptionTags();
-			
-			case 'ERROR_MESSAGES':
-				return $this->getErrorMessageTags();
-
-			case 'LOGS_CHANNEL_OPTIONS':
-				return $this->getLogsChannelOptionTags();
-			case 'LOGS_YEAR_OPTIONS':
-				return $this->getLogsYearOptionTags();
-			case 'LOGS_MONTH_OPTIONS':
-				return $this->getLogsMonthOptionTags();
-			case 'LOGS_DAY_OPTIONS':
-				return $this->getLogsDayOptionTags();
-			case 'LOGS_HOUR_OPTIONS':
-				return $this->getLogsHourOptionTags();
-			case 'CLASS_WRITEABLE':
-				$userdata = $this->ajaxChat->getValidLoginUserData();
-				$guestwrite = $this->ajaxChat->getConfig('allowGuestWrite');
-				if ($userdata['userRole'] === AJAX_CHAT_GUEST && $guestwrite === false)
-					return 'write_forbidden';
-				else
-					return 'write_allowed';
-			
-			default:
-				return $this->ajaxChat->replaceCustomTemplateTags($tagData[1], (isset($tagData[2]) ? $tagData[2] : null));
-		}
-	}
-
-	// Function to display alternating table row colors:
-	function alternateRow($rowOdd='rowOdd', $rowEven='rowEven') {
-		static $i;
-		$i += 1;
-		if($i % 2 == 0) {
-			return $rowEven;
-		} else {
-			return $rowOdd;
-		}
-	}
-
-	function getBaseDirectionAttribute() {
-		$langCodeParts = explode('-', $this->ajaxChat->getLangCode());
-		switch($langCodeParts[0]) {
-			case 'ar':
-			case 'fa':
-			case 'he':
-				return 'rtl';
-			default:
-				return 'ltr';
-		}
-	}
-
-	function getStyleSheetLinkTags() {
-		$styleSheets = '';
-		foreach($this->ajaxChat->getConfig('styleAvailable') as $style) {
-			$alternate = ($style == $this->ajaxChat->getConfig('styleDefault')) ? '' : 'alternate ';
-			$styleSheets .= '<link rel="'.$alternate.'stylesheet" type="text/css" href="css/'.rawurlencode($style).'.css" title="'.$this->ajaxChat->htmlEncode($style).'"/>';
-		}
-		return $styleSheets;
-	}
-
-	function getChannelOptionTags() {
-		$channelOptions = '';
-		$channelSelected = false;
-		foreach($this->ajaxChat->getChannels() as $name=>$id) {
-			if($this->ajaxChat->isLoggedIn() && $this->ajaxChat->getChannel()) {
-				$selected = ($id == $this->ajaxChat->getChannel()) ? ' selected="selected"' : '';
-			} else {
-				$selected = ($id == $this->ajaxChat->getConfig('defaultChannelID')) ? ' selected="selected"' : '';
-			}
-			if($selected) {
-				$channelSelected = true;
-			}
-			$channelOptions .= '<option value="'.$this->ajaxChat->htmlEncode($name).'"'.$selected.'>'.$this->ajaxChat->htmlEncode($name).'</option>';
-		}
-		if($this->ajaxChat->isLoggedIn() && $this->ajaxChat->isAllowedToCreatePrivateChannel()) {
-			// Add the private channel of the user to the options list:
-			if(!$channelSelected && $this->ajaxChat->getPrivateChannelID() == $this->ajaxChat->getChannel()) {
-				$selected = ' selected="selected"';
-				$channelSelected = true;
-			} else {
-				$selected = '';
-			}
-			$privateChannelName = $this->ajaxChat->getPrivateChannelName();
-			$channelOptions .= '<option value="'.$this->ajaxChat->htmlEncode($privateChannelName).'"'.$selected.'>'.$this->ajaxChat->htmlEncode($privateChannelName).'</option>';
-		}
-		// If current channel is not in the list, try to retrieve the channelName:
-		if(!$channelSelected) {
-			$channelName = $this->ajaxChat->getChannelName();
-			if($channelName !== null) {
-				$channelOptions .= '<option value="'.$this->ajaxChat->htmlEncode($channelName).'" selected="selected">'.$this->ajaxChat->htmlEncode($channelName).'</option>';
-			} else {
-				// Show an empty selection:
-				$channelOptions .= '<option value="" selected="selected">---</option>';
-			}
-		}
-		return $channelOptions;
-	}
-
-	function getStyleOptionTags() {
-		$styleOptions = '';
-		foreach($this->ajaxChat->getConfig('styleAvailable') as $style) {
-			$selected = ($style == $this->ajaxChat->getConfig('styleDefault')) ? ' selected="selected"' : '';
-			$styleOptions .= '<option value="'.$this->ajaxChat->htmlEncode($style).'"'.$selected.'>'.$this->ajaxChat->htmlEncode($style).'</option>';
-		}
-		return $styleOptions;
-	}
-
-	function getLanguageOptionTags() {
-		$languageOptions = '';
-		$languageNames = $this->ajaxChat->getConfig('langNames');
-		foreach($this->ajaxChat->getConfig('langAvailable') as $langCode) {
-			$selected = ($langCode == $this->ajaxChat->getLangCode()) ? ' selected="selected"' : '';
-			$languageOptions .= '<option value="'.$this->ajaxChat->htmlEncode($langCode).'"'.$selected.'>'.$languageNames[$langCode].'</option>';
-		}
-		return $languageOptions;
-	}
-
-	function getErrorMessageTags() {
-		$errorMessages = '';
-		foreach($this->ajaxChat->getInfoMessages('error') as $error) {
-			$errorMessages .= '<div>'.$this->ajaxChat->htmlEncode($this->ajaxChat->getLang($error)).'</div>';
-		}
-		return $errorMessages;
-	}
-
-	function getLogsChannelOptionTags() {
-		$channelOptions = '';
-		$channelOptions .= '<option value="-3">------</option>';
-		foreach($this->ajaxChat->getChannels() as $key=>$value) {
-			if($this->ajaxChat->getUserRole() != AJAX_CHAT_ADMIN && $this->ajaxChat->getConfig('logsUserAccessChannelList') && !in_array($value, $this->ajaxChat->getConfig('logsUserAccessChannelList'))) {
-				continue;
-			}
-			$channelOptions .= '<option value="'.$value.'">'.$this->ajaxChat->htmlEncode($key).'</option>';
-		}
-		$channelOptions .= '<option value="-1">'.$this->ajaxChat->htmlEncode($this->ajaxChat->getLang('logsPrivateChannels')).'</option>';
-		$channelOptions .= '<option value="-2">'.$this->ajaxChat->htmlEncode($this->ajaxChat->getLang('logsPrivateMessages')).'</option>';
-		return $channelOptions;
-	}
-
-	function getLogsYearOptionTags() {
-		$yearOptions = '';
-		$yearOptions .= '<option value="-1">----</option>';
-		for($year=date('Y'); $year>=$this->ajaxChat->getConfig('logsFirstYear'); $year--) {
-			$yearOptions .= '<option value="'.$year.'">'.$year.'</option>';
-		}
-		return $yearOptions;
-	}
-	
-	function getLogsMonthOptionTags() {
-		$monthOptions = '';
-		$monthOptions .= '<option value="-1">--</option>';
-		for($month=1; $month<=12; $month++) {
-			$monthOptions .= '<option value="'.$month.'">'.sprintf("%02d", $month).'</option>';
-		}
-		return $monthOptions;
-	}
-	
-	function getLogsDayOptionTags() {
-		$dayOptions = '';
-		$dayOptions .= '<option value="-1">--</option>';
-		for($day=1; $day<=31; $day++) {
-			$dayOptions .= '<option value="'.$day.'">'.sprintf("%02d", $day).'</option>';
-		}
-		return $dayOptions;
-	}
-	
-	function getLogsHourOptionTags() {
-		$hourOptions = '';
-		$hourOptions .= '<option value="-1">-----</option>';
-		for($hour=0; $hour<=23; $hour++) {
-			$hourOptions .= '<option value="'.$hour.'">'.sprintf("%02d", $hour).':00</option>';
-		}
-		return $hourOptions;
-	}
-
-}
-?>
diff --git a/library/ajaxchat/chat/lib/class/CustomAJAXChat.php b/library/ajaxchat/chat/lib/class/CustomAJAXChat.php
deleted file mode 100644
index a18e64069..000000000
--- a/library/ajaxchat/chat/lib/class/CustomAJAXChat.php
+++ /dev/null
@@ -1,124 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-class CustomAJAXChat extends AJAXChat {
-
-	// Returns an associative array containing userName, userID and userRole
-	// Returns null if login is invalid
-	function getValidLoginUserData() {
-		
-		$customUsers = $this->getCustomUsers();
-		
-		if($this->getRequestVar('password')) {
-			// Check if we have a valid registered user:
-
-			$userName = $this->getRequestVar('userName');
-			$userName = $this->convertEncoding($userName, $this->getConfig('contentEncoding'), $this->getConfig('sourceEncoding'));
-
-			$password = $this->getRequestVar('password');
-			$password = $this->convertEncoding($password, $this->getConfig('contentEncoding'), $this->getConfig('sourceEncoding'));
-
-			foreach($customUsers as $key=>$value) {
-				if(($value['userName'] == $userName) && ($value['password'] == $password)) {
-					$userData = array();
-					$userData['userID'] = $key;
-					$userData['userName'] = $this->trimUserName($value['userName']);
-					$userData['userRole'] = $value['userRole'];
-					return $userData;
-				}
-			}
-			
-			return null;
-		} else {
-			// Guest users:
-			return $this->getGuestUser();
-		}
-	}
-
-	// Store the channels the current user has access to
-	// Make sure channel names don't contain any whitespace
-	function &getChannels() {
-		if($this->_channels === null) {
-			$this->_channels = array();
-			
-			$customUsers = $this->getCustomUsers();
-			
-			// Get the channels, the user has access to:
-			if($this->getUserRole() == AJAX_CHAT_GUEST) {
-				$validChannels = $customUsers[0]['channels'];
-			} else {
-				$validChannels = $customUsers[$this->getUserID()]['channels'];
-			}
-			
-			// Add the valid channels to the channel list (the defaultChannelID is always valid):
-			foreach($this->getAllChannels() as $key=>$value) {
-				if ($value == $this->getConfig('defaultChannelID')) {
-					$this->_channels[$key] = $value;
-					continue;
-				}
-				// Check if we have to limit the available channels:
-				if($this->getConfig('limitChannelList') && !in_array($value, $this->getConfig('limitChannelList'))) {
-					continue;
-				}
-				if(in_array($value, $validChannels)) {
-					$this->_channels[$key] = $value;
-				}
-			}
-		}
-		return $this->_channels;
-	}
-
-	// Store all existing channels
-	// Make sure channel names don't contain any whitespace
-	function &getAllChannels() {
-		if($this->_allChannels === null) {
-			// Get all existing channels:
-			$customChannels = $this->getCustomChannels();
-			
-			$defaultChannelFound = false;
-			
-			foreach($customChannels as $name=>$id) {
-				$this->_allChannels[$this->trimChannelName($name)] = $id;
-				if($id == $this->getConfig('defaultChannelID')) {
-					$defaultChannelFound = true;
-				}
-			}
-			
-			if(!$defaultChannelFound) {
-				// Add the default channel as first array element to the channel list
-				// First remove it in case it appeard under a different ID
-				unset($this->_allChannels[$this->getConfig('defaultChannelName')]);
-				$this->_allChannels = array_merge(
-					array(
-						$this->trimChannelName($this->getConfig('defaultChannelName'))=>$this->getConfig('defaultChannelID')
-					),
-					$this->_allChannels
-				);
-			}
-		}
-		return $this->_allChannels;
-	}
-
-	function &getCustomUsers() {
-		// List containing the registered chat users:
-		$users = null;
-		require(AJAX_CHAT_PATH.'lib/data/users.php');
-		return $users;
-	}
-	
-	function getCustomChannels() {
-		// List containing the custom channels:
-		$channels = null;
-		require(AJAX_CHAT_PATH.'lib/data/channels.php');
-		// Channel array structure should be:
-		// ChannelName => ChannelID
-		return array_flip($channels);
-	}
-
-}
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/CustomAJAXChatInterface.php b/library/ajaxchat/chat/lib/class/CustomAJAXChatInterface.php
deleted file mode 100644
index a950739c5..000000000
--- a/library/ajaxchat/chat/lib/class/CustomAJAXChatInterface.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-class CustomAJAXChatInterface extends CustomAJAXChat {
-
-	function initialize() {
-		// Initialize configuration settings:
-		$this->initConfig();
-
-		// Initialize the DataBase connection:
-		$this->initDataBaseConnection();
-	}
-
-}
-?>
\ No newline at end of file
diff --git a/library/ajaxchat/chat/lib/class/CustomAJAXChatShoutBox.php b/library/ajaxchat/chat/lib/class/CustomAJAXChatShoutBox.php
deleted file mode 100644
index c014d639e..000000000
--- a/library/ajaxchat/chat/lib/class/CustomAJAXChatShoutBox.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-/*
- * @package AJAX_Chat
- * @author Sebastian Tschan
- * @copyright (c) Sebastian Tschan
- * @license Modified MIT License
- * @link https://blueimp.net/ajax/
- */
-
-class CustomAJAXChatShoutBox extends CustomAJAXChat {
-
-	function initialize() {
-		// Initialize configuration settings:
-		$this->initConfig();
-	}
-
-	function getShoutBoxContent() {
-		$template = new AJAXChatTemplate($this, AJAX_CHAT_PATH.'lib/template/shoutbox.html');
-		
-		// Return parsed template content:
-		return $template->getParsedContent();
-	}	
-
-}
-?>
\ No newline at end of file