ircchat/server.php

<?php 
///////
// webirc-client - 2013-2020
// (C) Chris Dorman, GPL v3 - (C) Microchat devs
// https://github.com/Pentium44/cwchat
///////

include_once("config.php");

if (isset($_GET['msg']) && $_GET['msg']!="" && isset($_GET['nick']) && $_GET['nick']!=""){		
	$nick = $_GET['nick'];
	$msg  = htmlentities(stripcslashes($_GET['msg']));
	$line = "";
	foreach($channels as $channel) {
		$line .= "PRIVMSG $channel :$msg\n";
	}
	
	$content = file_get_contents(".$nick.socket");
	echo nl2br(htmlentities(stripslashes($content)));
	file_put_contents(".$nick.socket", $content . $line);
	file_put_contents(".$nick.push", $line);
	echo nl2br(htmlentities(stripslashes($line)));
} else if (isset($_GET['get']) && isset($_GET['nick']) && $_GET['nick']!="") {
	$nick = $_GET['nick'];
	$content = file_get_contents(".$nick.socket");
	echo nl2br(htmlentities(stripslashes($content)));
} else if (isset($_GET['do']) && isset($_GET['nick']) && $_GET['nick']!="") {
	$nick = $_GET['nick'];
	if($_GET['do']=="login") {
		// Make sure users DB is clean
		file_put_contents(".$nick.socket", "Welcome");
		chmod(".$username.socket", 0777);
		file_put_contents(".$nick.pingfile", "pong");
		chmod(".$username.pingfile", 0777);
		
		$realpath = realpath("./irc.php");
		shell_exec("/usr/bin/php $realpath $nick > /dev/null 2>/dev/null &");
	} else if($_GET['do']=="logout") {
		unlink(".$nick.pingfile");
	} else if($_GET['do']=="keepup") {
		file_put_contents(".$nick.pingfile", "ping");
	}
}
?>