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73666cc4fc
git-svn-id: https://webim.svn.sourceforge.net/svnroot/webim/trunk@20 c66351dc-e62f-0410-b875-e3a5c0b9693f
436 lines
14 KiB
PHP
436 lines
14 KiB
PHP
<?php
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/*
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* This file is part of Web Instant Messenger project.
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*
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* Copyright (c) 2005-2007 Internet Services Ltd.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Evgeny Gryaznov - initial API and implementation
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* Pavel Petroshenko - history search
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*/
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$connection_timeout = 30; # sec
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$namecookie = "WEBIM_Name";
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$state_queue = 0;
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$state_waiting = 1;
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$state_chatting = 2;
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$state_closed = 3;
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$kind_user = 1;
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$kind_agent = 2;
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$kind_for_agent = 3;
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$kind_info = 4;
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$kind_conn = 5;
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$kind_events = 6;
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$kind_to_string = array( $kind_user => "user", $kind_agent => "agent", $kind_for_agent => "hidden",
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$kind_info => "inf", $kind_conn => "conn", $kind_events => "event" );
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function next_token() {
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return rand(99999,99999999);
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}
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function next_revision($link) {
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perform_query("update chatrevision set id=LAST_INSERT_ID(id+1)",$link);
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$val = mysql_insert_id($link);
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return $val;
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}
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function post_message_($threadid,$kind,$message,$link,$from=null,$time=null) {
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$query = sprintf(
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"insert into chatmessage (threadid,ikind,tmessage,tname,dtmcreated) values (%s, %s,'%s',%s,%s)",
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$threadid,
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$kind,
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quote_smart($message,$link),
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$from ? "'".quote_smart($from,$link)."'" : "null",
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$time ? "FROM_UNIXTIME($time)" : "CURRENT_TIMESTAMP" );
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perform_query($query,$link);
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}
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function post_message($threadid,$kind,$message,$from=null) {
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$link = connect();
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post_message_($threadid,$kind,$message,$link,$from);
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mysql_close($link);
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}
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function prepare_html_message($text) {
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$escaped_text = htmlspecialchars($text);
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$text_w_links = preg_replace('/(http|ftp):\/\/\S*/','<a href="$0" target="_blank">$0</a>',$escaped_text);
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$multiline = str_replace("\n","<br/>",$text_w_links);
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return $multiline;
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}
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function message_to_html($msg) {
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global $kind_to_string;
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$message = "<span>".date("H:i:s",$msg['created'])."</span> ";
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$kind = $kind_to_string{$msg['ikind']};
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if( $msg['tname'] )
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$message.= "<span class='n$kind'>".htmlspecialchars($msg['tname'])."</span>: ";
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$message.= "<span class='m$kind'>".prepare_html_message($msg['tmessage'])."</span><br/>";
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return $message;
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}
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function message_to_text($msg) {
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global $kind_user, $kind_agent, $kind_info;
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$time = date("H:i:s ",$msg['created']);
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if($msg['ikind'] == $kind_user || $msg['ikind'] == $kind_agent) {
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if( $msg['tname'] )
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return $time.$msg['tname'].": ".$msg['tmessage']."\n";
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else
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return $time.$msg['tmessage']."\n";
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} else if($msg['ikind'] == $kind_info ) {
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return $time.$msg['tmessage']."\n";
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} else {
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return $time."[".$msg['tmessage']."]\n";
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}
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}
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function get_messages($threadid,$meth,$isuser,&$lastid) {
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global $kind_for_agent;
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$link = connect();
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$query = sprintf(
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"select messageid,ikind,unix_timestamp(dtmcreated) as created,tname,tmessage from chatmessage ".
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"where threadid = %s and messageid > %s %s order by messageid",
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$threadid, $lastid, $isuser ? "and ikind <> $kind_for_agent" : "" );
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$messages = array();
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$result = mysql_query($query,$link) or die(' Query failed: ' .mysql_error().": ".$query);
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while ($msg = mysql_fetch_array($result, MYSQL_ASSOC)) {
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$message = ($meth == 'text') ? message_to_text($msg) : message_to_html($msg);
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$messages[] = $message;
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if( $msg['messageid'] > $lastid )
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$lastid = $msg['messageid'];
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}
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mysql_free_result($result);
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mysql_close($link);
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return $messages;
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}
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function print_thread_mesages($threadid, $token, $lastid, $isuser,$format) {
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global $webim_encoding, $webimroot;
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$output = get_messages($threadid,"html",$isuser,$lastid);
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if( $format == "xml" ) {
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start_xml_output();
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print("<thread lastID=\"$lastid\">");
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foreach( $output as $msg ) {
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print "<message>".myiconv($webim_encoding,"utf-8",escape_with_cdata($msg))."</message>\n";
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}
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print("</thread>");
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} else if( $format == "html" ) {
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start_html_output();
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$url = "$webimroot/thread.php?act=refresh&thread=$threadid&token=$token&html=on&user=".($isuser?"true":"false");
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print("<html><head>\n".
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"<link rel=\"stylesheet\" type=\"text/css\" media=\"all\" href=\"$webimroot/chat.css\" />\n".
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"<meta http-equiv=\"Refresh\" content=\"7; URL=$url&sn=11\">\n".
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"<meta http-equiv=\"Pragma\" content=\"no-cache\">\n".
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"</head>".
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"<body bgcolor='#FFFFFF' text='#000000' link='#C28400' vlink='#C28400' alink='#C28400' marginwidth='0' marginheight='0' leftmargin='0' rightmargin='0' topmargin='0' bottommargin='0' onload=\"if( location.hash != '#aend' ){location.hash='#aend';}\">".
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"<table width='100%' cellspacing='0' cellpadding='0' border='0'><tr><td valign='top' class='message'>" );
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foreach( $output as $msg ) {
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print $msg;
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}
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print(
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"</td></tr></table><a name='aend'>".
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"</body></html>" );
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}
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}
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function get_user_name($name, $id="") {
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global $presentable_name_pattern;
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return str_replace("{id}", $id, str_replace("{name}", $name, $presentable_name_pattern));
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}
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function setup_chatview_for_user($thread,$level) {
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global $page, $webimroot, $user_can_change_name, $company_logo_link, $company_name;
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$page = array();
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$page['agent'] = false;
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$page['user'] = true;
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$page['canpost'] = true;
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$nameisset = getstring("chat.default.username") != $thread['userName'];
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$page['displ1'] = $nameisset ? "none" : "inline";
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$page['displ2'] = $nameisset ? "inline" : "none";
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$page['level'] = $level;
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$page['ct.chatThreadId'] = $thread['threadid'];
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$page['ct.token'] = $thread['ltoken'];
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$page['ct.user.name'] = $thread['userName'];
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$page['canChangeName'] = $user_can_change_name;
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$page['ct.company.name'] = $company_name;
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$page['ct.company.chatLogoURL'] = $company_logo_link;
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$params = "thread=".$thread['threadid']."&token=".$thread['ltoken'];
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$page['selfLink'] = "$webimroot/client.php?".$params."&level=".$level;
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}
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function setup_chatview_for_operator($thread,$operator) {
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global $page, $webimroot, $company_logo_link, $company_name;
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$page = array();
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$page['agent'] = true;
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$page['user'] = false;
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$page['canpost'] = true;
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$page['ct.chatThreadId'] = $thread['threadid'];
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$page['ct.token'] = $thread['ltoken'];
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$page['ct.user.name'] = get_user_name($thread['userName']);
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$page['ct.company.name'] = $company_name;
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$page['ct.company.chatLogoURL'] = $company_logo_link;
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// TODO
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$page['namePostfix'] = "";
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}
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function is_ajax_browser($name,$ver,$useragent) {
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if( $name == "opera" )
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return $ver >= 8.02;
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if( $name == "safari" )
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return $ver >= 125;
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if( $name == "msie" )
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return $ver >= 5.5 && !strstr($useragent, "powerpc");
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if( $name == "netscape" )
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return $ver >= 7.1;
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if( $name == "mozilla")
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return $ver >= 1.4;
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if( $name == "firefox")
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return $ver >= 1.0;
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return false;
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}
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function is_old_browser($name,$ver) {
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if( $name == "opera" )
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return $ver < 7.0;
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if( $name == "msie" )
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return $ver < 5.0;
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return false;
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}
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$knownAgents = array("opera","msie","safari","firefox","netscape","mozilla");
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function get_remote_level($useragent) {
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global $knownAgents;
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$useragent = strtolower($useragent);
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foreach( $knownAgents as $agent ) {
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if( strstr($useragent,$agent) ) {
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if( preg_match( "/".$agent."[\\s\/]?(\\d+(\\.\\d+)?)/", $useragent, $matches ) ) {
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$ver = $matches[1];
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if( is_ajax_browser($agent,$ver,$useragent) )
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return "ajaxed";
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else if( is_old_browser($agent,$ver) )
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return "old";
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return "simple";
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}
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}
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}
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return "simple";
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}
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function update_thread_access($threadid, $params, $link) {
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$clause = "";
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foreach( $params as $k => $v ) {
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if( strlen($clause) > 0 )
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$clause .= ", ";
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$clause .= $k."=".$v;
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}
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perform_query(
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"update chatthread set $clause ".
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"where threadid = ".$threadid,$link);
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}
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function get_access_time($threadid, $isuser, $link) {
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return select_one_row(sprintf(
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"select unix_timestamp(%s) as lastping, ".
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"unix_timestamp(CURRENT_TIMESTAMP) as current ".
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"from chatthread where threadid = %s",
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$isuser ? "lastpinguser" : "lastpingagent",
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$threadid), $link);
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}
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function ping_thread($thread, $isuser) {
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global $kind_for_agent, $state_chatting, $state_waiting, $kind_conn, $connection_timeout;
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$link = connect();
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$params = array(($isuser ? "lastpinguser" : "lastpingagent") => "CURRENT_TIMESTAMP" );
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$access = get_access_time($thread['threadid'], !$isuser, $link);
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if( $access['lastping'] > 0 && abs($access['current']-$access['lastping']) > $connection_timeout ) {
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$params[$isuser ? "lastpingagent" : "lastpinguser"] = "0";
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if( !$isuser ) {
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$message_to_post = getstring_("chat.status.user.dead", $thread['locale']);
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post_message_($thread['threadid'],$kind_for_agent,$message_to_post,$link,null,$access['lastping']+$connection_timeout);
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} else if( $thread['istate'] == $state_chatting ) {
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$message_to_post = getstring_("chat.status.operator.dead", $thread['locale']);
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post_message_($thread['threadid'],$kind_conn,$message_to_post,$link,null,$access['lastping']+$connection_timeout);
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$params['istate'] = $state_waiting;
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commit_thread($thread['threadid'], $params, $link);
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mysql_close($link);
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return;
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}
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}
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update_thread_access($thread['threadid'], $params, $link);
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mysql_close($link);
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}
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function commit_thread($threadid,$params,$link) {
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$query = "update chatthread set lrevision = ".next_revision($link).", dtmmodified = CURRENT_TIMESTAMP";
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foreach( $params as $k => $v ) {
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$query .= ", ".$k."=".$v;
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}
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$query .= " where threadid = ".$threadid;
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perform_query($query,$link);
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}
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function rename_user($thread, $newname) {
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global $kind_events;
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$link = connect();
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commit_thread( $thread['threadid'], array('userName' => "'".mysql_real_escape_string($newname)."'"), $link);
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mysql_close($link);
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if( $thread['userName'] != $newname ) {
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post_message($thread['threadid'],$kind_events,
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getstring2_("chat.status.user.changedname",array($thread['userName'], $newname), $thread['locale']));
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}
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}
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function close_thread($thread,$isuser) {
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global $state_closed, $kind_events;
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if( $thread['istate'] != $state_closed ) {
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$link = connect();
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commit_thread( $thread['threadid'], array('istate' => $state_closed), $link);
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mysql_close($link);
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}
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$message = $isuser ? getstring2_("chat.status.user.left", array($thread['userName']), $thread['locale'])
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: getstring2_("chat.status.operator.left", array($thread['agentName']), $thread['locale']);
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post_message($thread['threadid'], $kind_events, $message);
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}
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function create_thread($username,$remote,$referer,$lang) {
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$link = connect();
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$query = sprintf(
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"insert into chatthread (userName,"."ltoken,remote,referer,lrevision,locale,dtmcreated,dtmmodified) values ".
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"('%s',"."%s,'%s','%s',%s,'%s',CURRENT_TIMESTAMP,CURRENT_TIMESTAMP)",
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mysql_real_escape_string($username),
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next_token(),
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mysql_real_escape_string($remote),
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mysql_real_escape_string($referer),
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next_revision($link),
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mysql_real_escape_string($lang) );
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perform_query($query,$link);
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$id = mysql_insert_id($link);
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$newthread = select_one_row("select * from chatthread where threadid = ". $id, $link );
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mysql_close($link);
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return $newthread;
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}
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function do_take_thread($threadid,$operatorName) {
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global $state_chatting;
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$link = connect();
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commit_thread( $threadid,
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array("istate" => $state_chatting,
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"agentName" => "'".mysql_real_escape_string($operatorName)."'"), $link);
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mysql_close($link);
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}
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function reopen_thread($threadid) {
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global $state_queue,$state_waiting,$state_chatting,$state_closed,$kind_events;
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$thread = thread_by_id($threadid);
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if( !$thread )
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return FALSE;
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if( $thread['istate'] == $state_closed )
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return FALSE;
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if( $thread['istate'] != $state_chatting && $thread['istate'] != $state_queue ) {
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$link = connect();
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commit_thread( $threadid,
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array("istate" => $state_waiting ), $link);
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mysql_close($link);
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}
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post_message($thread['threadid'], $kind_events, getstring_("chat.status.user.reopenedthread", $thread['locale']));
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return $thread;
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}
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function take_thread($thread,$operator) {
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global $state_queue, $state_waiting, $state_chatting, $kind_events, $home_locale;
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$state = $thread['istate'];
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$threadid = $thread['threadid'];
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$message_to_post = "";
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$operatorName = ($thread['locale'] == $home_locale) ? $operator['vclocalename'] : $operator['vccommonname'];
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if( $state == $state_queue || $state == $state_waiting) {
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do_take_thread($threadid, $operatorName);
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if( $state == $state_waiting ) {
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$message_to_post = getstring2_("chat.status.operator.changed", array($operatorName,$thread['agentName']), $thread['locale']);
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} else {
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$message_to_post = getstring2_("chat.status.operator.joined", array($operatorName), $thread['locale']);
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}
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} else if( $state == $state_chatting ) {
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if( $operatorName != $thread['agentName'] ) {
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do_take_thread($threadid, $operatorName);
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$message_to_post = getstring2_("chat.status.operator.changed", array($operatorName, $thread['agentName']), $thread['locale']);
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}
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} else {
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die("cannot take thread");
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}
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if( $message_to_post )
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post_message($threadid,$kind_events,$message_to_post);
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}
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function check_for_reassign($thread,$operator) {
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global $state_waiting, $home_locale, $kind_events;
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$operatorName = ($thread['locale'] == $home_locale) ? $operator['vclocalename'] : $operator['vccommonname'];
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if( $thread['istate'] == $state_waiting &&
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( $thread['agentName'] == $operatorName )) {
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do_take_thread($thread['threadid'], $operatorName);
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$message_to_post = getstring2_("chat.status.operator.changed", array($operatorName,$thread['agentName']), $thread['locale']);
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post_message($thread['threadid'],$kind_events,$message_to_post);
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}
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}
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function thread_by_id($id) {
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$link = connect();
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$thread = select_one_row("select * from chatthread where threadid = ". $id, $link );
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mysql_close($link);
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return $thread;
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}
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function visitor_from_request() {
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global $namecookie;
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$userName = isset($_COOKIE[$namecookie]) ? $_COOKIE[$namecookie] : getstring("chat.default.username");
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return array( 'name' => $userName );
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}
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?>
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