381 lines
10 KiB
PHP
381 lines
10 KiB
PHP
<?php
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/*
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Copyright 2005 Rolando Gonzalez (rolosworld@gmail.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**** config *****/
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/**
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* MySQL server configuration
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*/
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include_once('config.php');
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require_once('include/utils/utils.php');
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$db = array();
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$db['host'] = $dbconfig['db_server']."".$dbconfig['db_port'];
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$db['user'] = $dbconfig['db_username'];
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$db['pass'] = $dbconfig['db_password'];
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$db['database'] = $dbconfig['db_name'];
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/**
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* Constants for the chat
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*/
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$chat_conf = array();
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$chat_conf['alive_time'] = "30"; // time users should report to be online, in seconds.
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$chat_conf['msg_limit'] = "10"; // maximum msg's to send in one request.
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/*************************************************************/
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/*** YOU SHOULD NOT NEED TO EDIT ANYTHING ELSE BELOW THIS. ***/
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/*************************************************************/
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session_name("AjaxPopupChat");
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//session_save_path("sessions");
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session_start();
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$dbh = mysql_connect($db['host'], $db['user'],$db['pass']) or die ('I cannot connect to the database');
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mysql_select_db($db['database']);
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function mysqlQuery($query)
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{
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$result = mysql_query($query);
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if(!$result)
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{
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die("DB Error.<br />\n".mysql_error()."<br />\n".$query);
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}
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return $result;
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}
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/**** handler *****/
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/**
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* Chat object
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*/
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class Chat
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{
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// stores the string to be returned
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var $json;
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function Chat()
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{
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global $adb;
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$this->json = '';
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// las message id received by user
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if(!isset($_SESSION["mlid"]))
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{
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$res = $adb->pquery("show table status like 'vtiger_chat_msg'", array());
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$line = $adb->fetch_array($res);
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if(intval($line['Auto_increment']) == 0)
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$_SESSION["mlid"] = 0;
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else
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$_SESSION["mlid"] = intval($line['Auto_increment']) - 1;
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}
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// when the las user list was sended.
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if(!isset($_SESSION["lul"]))
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{
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$_SESSION["lul"] = 0;
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}
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// check if user is active.
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if(!isset($_SESSION['chat_user']))
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{
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$this->setUserNick();
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}
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else
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{
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$res = $adb->pquery("update vtiger_chat_users set ping=now() where session=?", array(session_id()));
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if($adb->getAffectedRowCount($res) == 0)
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{
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$this->setUserNick();
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}
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}
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switch($_POST['submode'])
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{
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// request all the json data at once.
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case 'get_all':
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global $chat_conf;
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$this->lastMsgId();
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$this->json = '[%s]';
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$this->getAllPVChat();
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$pvchat = $this->json;
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$this->json = '[%s]';
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$this->getPubChat();
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$pchat = $this->json;
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$this->json = '';
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if(time() - $_SESSION["lul"] > $chat_conf['alive_time'])
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{
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$_SESSION["lul"] = time();
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$this->json = '[%s]';
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$this->getUserList();
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}
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$ulist = $this->json;
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$tmp = array();
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$this->json = '{%s}';
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if(strlen($ulist) > 0)
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$tmp[] = '"ulist":'.$ulist;
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if(strlen($pvchat) > 0)
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$tmp[] = '"pvchat":'.$pvchat;
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if(strlen($pchat) > 0)
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$tmp[] = '"pchat":'.$pchat;
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$this->json = sprintf($this->json, implode(',',$tmp));
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break;
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// user is submiting a msg
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case 'submit':
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$this->submit($_POST['msg'],intval($_POST['to']));
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break;
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// user closed a private chat
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case 'pvclose':
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$this->pvClose(intval($_POST['to']));
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break;
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default:
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break;
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}
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}
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/**
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* returns the JSON created
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*/
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function getAJAX()
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{
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return $this->json;
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}
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/**
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* Sets the user initial nickname.
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*/
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function setUserNick()
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{
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global $current_user, $adb;
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$res = $adb->pquery("select id from vtiger_chat_users where session=?", array(session_id()));
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if($adb->num_rows($res) > 0)
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{
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$line = $adb->fetch_array($res);
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$_SESSION['chat_user'] = $line['id'];
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return;
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}
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$res = $adb->pquery("show table status like 'vtiger_chat_users'", array());
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$line = $adb->fetch_array($res);
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if(intval($line['Auto_increment']) == 0)
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$line['Auto_increment'] = 1;
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$_SESSION['chat_user'] = $line['Auto_increment'];
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$sql = "insert into vtiger_chat_users(nick,session,ping,ip) values (?,?, now(), ?)";
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$params = array($current_user->user_name, session_id(), $_SERVER['REMOTE_ADDR']);
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$res = $adb->pquery($sql, $params);
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}
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/**
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* generate the available users list
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*/
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function getUserList()
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{
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global $chat_conf, $adb;
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$tmp = '';
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$sql = "delete from vtiger_chat_users where ((unix_timestamp(now())-unix_timestamp(ping))>?)";
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$params = array($chat_conf['alive_time']);
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$res = $adb->pquery($sql, $params);
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$res = $adb->pquery("select id,nick from vtiger_chat_users", array());
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if($adb->num_rows($res)==0)
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{
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$this->json = '';
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return;
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}
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while($line = $adb->fetch_array($res))
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{
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if($line['id'] != $_SESSION['chat_user'])
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$tmp .= '{"uid":'.$line['id'].',"nick":"'.$line['nick'].'"},';
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}
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$tmp = trim($tmp,',');
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$this->json = sprintf($this->json,$tmp);
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}
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/**
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* Sets user last post received.
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*/
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function lastMsgId()
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{
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if(isset($_POST['mlid']) && intval($_POST['mlid']) > $_SESSION["mlid"])
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$_SESSION["mlid"] = intval($_POST['mlid']);
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}
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/**
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* generates the private chat data
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*/
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function getAllPVChat()
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{
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global $chat_conf, $adb;
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$format = '{"mlid":%s,"chat":%s,"from":"%s","msg":"%s"},';
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$sql ="select ms.id mid,ms.chat_from mfrom,ms.chat_to mto,pv.id id,us.nick `chat_from`,ms.msg msg from vtiger_chat_users us,vtiger_chat_pvchat pv,vtiger_chat_msg ms where pv.msg=ms.id and us.id=ms.chat_from and ms.id>? and ((ms.chat_from=? and ms.chat_to>0) or (ms.chat_to=? and ms.chat_from>0)) order by ms.born limit 0, " . $chat_conf['msg_limit'];
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$params = array($_SESSION['mlid'], $_SESSION['chat_user'], $_SESSION['chat_user']);
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$res = $adb->pquery($sql, $params);
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if($adb->num_rows($res)==0)
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{
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$this->json = '';
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return;
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}
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$tmp = '';
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while($line = $adb->fetch_array($res))
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{
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if($line['mfrom'] == $_SESSION['chat_user'])
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$cid = $line['mto'];
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else
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$cid = $line['mfrom'];
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$tmp .= sprintf($format,$line['mid'],$cid,$line['chat_from'],addslashes($line['msg']));
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}
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$tmp = trim($tmp,',');
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$this->json = sprintf($this->json,$tmp);
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}
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/**
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* generates the public chat data
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* NOTE: this is alpha
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*/
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function getPubChat()
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{
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global $chat_conf, $adb;
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$format = '{"mlid":%s,"from":"%s","msg":"%s"},';
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$sql = "select ms.id mid,ms.chat_from mfrom,ms.chat_to mto,p.id id,us.nick `chat_from`,ms.msg msg from vtiger_chat_users us,vtiger_chat_pchat p,vtiger_chat_msg ms where p.msg=ms.id and us.id=ms.chat_from and ms.id>? and ms.chat_to=0 order by ms.born limit 0," . $chat_conf['msg_limit'];
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$params = array($_SESSION['mlid']);
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$res = $adb->pquery($sql, $params);
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if($adb->num_rows($res)==0)
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{
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$this->json = '';
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return;
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}
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$tmp = '';
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while($line = $adb->fetch_array($res))
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{
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$tmp .= sprintf($format,$line['mid'],$line['chat_from'],addslashes($line['msg']));
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}
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$tmp = trim($tmp,',');
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$this->json = sprintf($this->json,$tmp);
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}
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/**
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* Check for special commands on message.
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*/
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function msgParse($msg)
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{
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global $adb;
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if(strlen($msg) == 0) return '';
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$msg = stripslashes($msg);
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if($msg[0] == '\\')
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{
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$today_date = getdate();
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$words = explode(" ",$msg);
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switch($words[0])
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{
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case '\nick':
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if(isset($words[1]) && strlen($words[1]) > 3)
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{
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$res = $adb->pquery("select nick from vtiger_chat_users where id=?", array($_SESSION['chat_user']));
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$line = $adb->fetch_array($res);
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$res = $adb->pquery("update vtiger_chat_users set nick=? where id=?", array($words[1], $_SESSION['chat_user']));
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$msg = '\sys <span class="sysb">'.$line['nick'].'</span> changed nick to <span class="sysb">'.$words[1].'</span>';
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}
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break;
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case '\help':
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$msg = '\sys <br><span class="sysb">\\\\nick "nickname" </span> - change nick<br><span class="sysb">\\\\date </span> - date<br><span class="sysb">\\\\time </span> - time<br><span class="sysb">\\\\month </span> - month<br><span class="sysb">\\\\day </span> - weekday';
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break;
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case '\date':
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$msg = '\sys Today is <span class="sysb">'.date('d-m-Y').'</span>';
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break;
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case '\time':
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$msg = '\sys The Current time is <span class="sysb">'.$today_date["hours"].':'.$today_date["minutes"].':'.$today_date["hours"].'</span>'; break;
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case '\month':
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$msg = '\sys <span class="sysb">'.$today_date["month"].'</span>';
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break;
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case '\day':
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$msg = '\sys <span class="sysb">'.$today_date["weekday"].'</span>';
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break;
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default:
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$msg = '\sys Bad command: '.$words[0];
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break;
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}
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}
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return $msg;
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}
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/**
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* process a submited msg
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*/
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function submit($msg, $to=0)
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{
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global $adb;
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//UTF-8 support added - ding
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$msg = utf8RawUrlDecode($msg);
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$msg = $this->msgParse($msg);
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$msg = htmlentities($msg);
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if(strlen($msg) == 0) return;
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//$sql = "insert into vtiger_chat_msg set chat_from=?, chat_to=?, born=now(), msg=?";
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$sql = "insert into vtiger_chat_msg(chat_from, chat_to, born, msg) values (?,?, now(), ?)";
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$params = array($_SESSION['chat_user'], $to, $msg);
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$res = $adb->pquery($sql, $params);
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$chat = "p";
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if($to != 0)
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$chat .= "v";
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$res = $adb->pquery("insert into vtiger_chat_".$chat."chat set msg=LAST_INSERT_ID()", array());
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}
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/**
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* removes the private conversation msg's because someone closed it
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*/
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function pvClose($to)
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{
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global $adb;
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$sql = "delete from vtiger_chat_msg where (`chat_from`=? and `chat_to`=?) or (`chat_from`=? and `chat_to`=?)";
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$params = array($to, $_SESSION['chat_user'], $_SESSION['chat_user'], $to);
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$res = $adb->pquery($sql, $params);
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}
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}
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/**** caller ****/
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$chat = new Chat();
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echo $chat->getAJAX();
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?>
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