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Path: /data/applications/aps/tikiwiki/3.2.0-5/standard/htdocs/ [ Home ]
File: tiki-minichat_ajax.php
<?php

require_once('tiki-setup.php');

if($prefs['feature_minichat'] != 'y') {
    $smarty->assign('msg', tra('This feature is disabled').': feature_minichat');
    $smarty->display('error.tpl');
    die;  
}

header("Pragma: public");
header("Pragma: no-cache");
header("Cache-Control: no-cache, must-revalidate, no-store, post-check=0, pre-check=0, max-age=0");
header("Expires: Tue, 27 Jul 1997 02:30:00 GMT"); // Date in the past
header('Content-Type: application/javascript; charset=utf-8'); 

$timeout_min=1000;
$timeout_max=15000;
$timeout_inc=1000;

$lasttimeout=(int)$_REQUEST['lasttimeout']; if ($lasttimeout < $timeout_min) $lasttimeout = $timeout_min;

$chans=explode(',', $_REQUEST['chans']);

function escapechannel($channel) {
	$channel=preg_replace('/[^a-zA-Z0-9\-\_]/i','',$channel);
	$channel=substr($channel, 0, 30);
	return '#'.$channel;
}

function initchannelssession($chans) {
	$_SESSION['minichat_channels']=array();
	foreach($chans as $chan) {
		$vals=explode(';', $chan);
		$channel=escapechannel($vals[0]);
		$_SESSION['minichat_channels'][]=$channel;
	}
}

if (isset($_REQUEST['msg'])) {
	$msg=$_REQUEST['msg'];
	$msg=strtr($msg, "\n\r\t", "   ");
	$msgon=isset($_REQUEST['msgon']) ? $_REQUEST['msgon'] : null;
	if (empty($msg)) $msgon=null;
} else {
	$msg='';
	$msgon=null;	
}



if (substr($msg, 0, 1) == '/') {
	$words=explode(' ', $msg);
	switch($words[0]) {
	case '/join':
		$words[1]=escapechannel($words[1]);
		echo "minichat_addchannel('".$words[1]."');\n";

		if (!isset($_SESSION['minichat_channels']))	initchannelssession($chans);
		$k=array_search($words[1], $_SESSION['minichat_channels']);
		if ($k === false) $_SESSION['minichat_channels'][]=$words[1];
		break;
	}
}

foreach($chans as $chan) {
	$vals=explode(';', $chan);
	$channel=escapechannel($vals[0]);
	$lastid=(int)$vals[1];
	$closed=false;

	if (($msgon == $channel) && (!is_null($channel))) {
		$time=time();
		
		if (substr($msg, 0, 1) == '/') {
			$words=explode(' ', $msg);
			switch($words[0]) {
			case '/part':
			case '/close':
				echo "minichat_removechannel('".$channel."');\n";
				$closed=true;

				if (!isset($_SESSION['minichat_channels']))	initchannelssession($chans);
				$k=array_search($words[1], $_SESSION['minichat_channels']);
				if ($k !== false) unset($_SESSION['minichat_channels'][$k]);
				break;
			}
		} else {
			$tikilib->query("INSERT INTO tiki_minichat (nick,user,ts,channel,msg) VALUES (?,?,?,?,?)",
							array($user,$user,$tikilib->now, $channel, $msg));
		
			$lastid=0;
		}
		$lasttimeout=$timeout_min;
	}
	
	if ($closed) continue;
	if (empty($channel)) continue;

	if ($lastid > 0) {
		$result=$tikilib->query("SELECT MAX(id) AS maxid FROM tiki_minichat WHERE channel=?", array($channel));
		$res=$result->fetchRow();
		$maxid=$res['maxid'];
		
		if ($maxid != $lastid) {
			$lastid=0; $lasttimeout=$timeout_min;
		} else $lasttimeout+=$timeout_inc;
	}
	
	if ($lastid == 0) {
		$result=$tikilib->query("SELECT * FROM tiki_minichat WHERE channel=? ORDER by id desc LIMIT 100", array($channel));
		$msgtotal="";
		
		while (($row=$result->fetchRow($resultat))) {
			if (!$lastid) {
				$lastid=$row['id'];
				echo "minichat_updatelastid('$channel', $lastid);\n";
			}
			
			$t=date("H:i", $row['ts']);
			$msgtotal="<span class='minichat_ts'>[$t]</span><span class='minichat_nick'>&lt;".($row['nick'] === null ? '' : $row['nick'])."&gt;</span><span class='minichat_msg'>".htmlentities($row['msg'], ENT_QUOTES, 'UTF-8')."</span><br>".$msgtotal;
		}
		
		$msgtotal = str_replace(":-D", "<img border='0' src='img/smiles/icon_biggrin.gif' width='15' height='15'>", $msgtotal);
		$msgtotal = str_replace(":D", "<img border='0' src='img/smiles/icon_biggrin.gif' width='15' height='15'>", $msgtotal);
		$msgtotal = str_replace(":-/", "<img border='0' src='img/smiles/icon_confused.gif' width='15' height='15'>", $msgtotal);
		$msgtotal = str_replace(":/", "<img border='0' src='img/smiles/icon_confused.gif' width='15' height='15'>", $msgtotal);
		$msgtotal = str_replace("8-)", "<img border='0' src='img/smiles/icon_cool.gif' width='19' height='25'>", $msgtotal);
		$msgtotal = str_replace("8)", "<img border='0' src='img/smiles/icon_cool.gif' width='19' height='25'>", $msgtotal);
		$msgtotal = str_replace(":-)", "<img border='0' src='img/smiles/icon_smile.gif' width='16' height='16'>", $msgtotal);
		$msgtotal = str_replace(":)", "<img border='0' src='img/smiles/icon_smile.gif' width='16' height='16'>", $msgtotal);
		$msgtotal = str_replace(":-(", "<img border='0' src='img/smiles/icon_sad.gif' width='40' height='15'>", $msgtotal);
		$msgtotal = str_replace(":(", "<img border='0' src='img/smiles/icon_sad.gif' width='40' height='15'>", $msgtotal);
		$msgtotal = str_replace(":-|", "<img border='0' src='img/smiles/icon_neutral.gif' width='40' height='15'>", $msgtotal);
		$msgtotal = str_replace(":|", "<img border='0' src='img/smiles/icon_neutral.gif' width='40' height='15'>", $msgtotal);
		$msgtotal = str_replace(":-p", "<img border='0' src='img/smiles/icon_razz.gif' width='15' height='15'>", $msgtotal);
		$msgtotal = str_replace(":p", "<img border='0' src='img/smiles/icon_razz.gif' width='15' height='15'>", $msgtotal);
		$msgtotal = str_replace(":-o", "<img border='0' src='img/smiles/icon_surprised.gif' width='15' height='15'>", $msgtotal);
		$msgtotal = str_replace(":o", "<img border='0' src='img/smiles/icon_surprised.gif' width='15' height='15'>", $msgtotal);
		$msgtotal = str_replace(";-)", "<img border='0' src='img/smiles/icon_wink.gif' width='15' height='15'>", $msgtotal);
		$msgtotal = str_replace(";)", "<img border='0' src='img/smiles/icon_wink.gif' width='15' height='15'>", $msgtotal);
		
		echo "document.getElementById('minichatdiv_'+minichat_getchanid('$channel')).innerHTML=\"$msgtotal\";\n";
		echo "document.getElementById('minichat').scrollTop=99999;\n";
	}
}

echo "minichatlasttimeout = $lasttimeout;\n";
if (!isset($_REQUEST['msg'])) echo "setTimeout('minichat_update()', $lasttimeout);\n";

?>