214 lines
9.5 KiB
PHP
Executable File
214 lines
9.5 KiB
PHP
Executable File
<?php
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///////
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// IdleIRC - 2020
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// (C) Chris Dorman, GPLv3
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// https://notabug.org/Pentium44/idleirc
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///////
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// irc.php - used to push and pull data from IRC server.
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// Currently supports PING / PONG, data receive, and data push
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// Done via PHP sockets.
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// Prevent PHP from stopping the script after 30 sec
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set_time_limit(0);
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// Include variables
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include_once("config.php");
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// Get username from command line argument / PHP-CLI
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$username = $argv[1];
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$servaddr = $argv[2]; // If server address is specified
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$servport = $argv[3]; // If server port is specified
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if(file_exists("users/$username.php")) {
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include("users/$username.php");
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}
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$server_address = isset($servaddr) ? $servaddr : $server;
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$server_port = isset($servport) ? $servport : $port;
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function usernameInMsg($username, $msgString) {
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if(strpos($msgString, $username) !== false){
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return true;
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} else{
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return false;
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}
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}
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// Function to search for username
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function get_string_between($string, $start, $end){
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$string = ' ' . $string;
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$ini = strpos($string, $start);
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if ($ini == 0) return '';
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$ini += strlen($start);
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$len = strpos($string, $end, $ini) - $ini;
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return substr($string, $ini, $len);
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}
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// If username isn't set, exit with error.
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if(!isset($username) || $username == "") {
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echo "Username not given...";
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exit(1);
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}
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// Create a socket to use
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$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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// Send first packets to client to inform connection
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$socketFileContents = file_get_contents("users/$username.log"); // get current log contents
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$msgline = "<tr><td class='userinfo'><span style='color:$ipcolor;'>" . $server_address . "</span> ~ </td><td>Connecting to $server_address:$server_port... please wait a few</td></tr>\n";
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file_put_contents("users/$username.log", $socketFileContents . $msgline);
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// Connect to IRC server via socket above
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socket_connect($socket, $server_address, $server_port);
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sleep(2);
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// NICK and USER calls to IRC
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$nickline = "NICK " . $usernickname . "\n";
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$userline = "USER " . $usernickname . " 0 * :" . $username . "'s $title $version client\n";
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// Pass NICK and USER back to IRC server over socket
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socket_write($socket, $nickline, strlen($nickline));
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// Sleep for a second before sending USER lineage
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sleep(1);
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// SEND IT
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socket_write($socket, $userline, strlen($userline));
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//sleep(1);
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// Continue the rest of the script here
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// While script will continue as long as socket continues to be active
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while($bytes = socket_recv($socket, $r_data, 2048, MSG_DONTWAIT) !== '') {
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if($bytes !== FALSE) {
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//$data = socket_read($socket, 2048, PHP_NORMAL_READ);
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$packetdata = $r_data;
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}
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// If client sent something, push it to the IRC server!
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if(file_exists("users/.$username.push")) {
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// Grab IRC command from server.php
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$pushFile = file_get_contents("users/.$username.push");
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// Push this / these commands to socket
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socket_write($socket, $pushFile, strlen($pushFile));
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// Remove the push file
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unlink("users/.$username.push");
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}
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// Check if web client still up, if no pong after 15 seconds, connection closed.
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if(!file_exists("users/.$username.pingfile")) { // If file is missing, quit
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// Debug logging, check if IRC is exiting properly
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doLog("Exiting, $username logged out...");
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$quitline = "QUIT :$username toggled disconnect; $title $version\n"; // IRC QUIT line
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socket_write($socket, $quitline, strlen($quitline)); // Push to socket
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socket_close($socket); // Close the socket
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exit(0); // Exit the script, nothing to do.
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}
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// If data variable is set and buffer has data to recieve
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// RECIEVE IT!
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if(isset($packetdata)) { // If data variable is set, there's data from socket
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//doLog("Server received chunk: $packetdata");
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$lines = explode("\r\n", $packetdata);
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foreach($lines as $data) {
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if($data == "") { continue; }
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//doLog("Line: $data");
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$socketFileContents = file_get_contents("users/$username.log");
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$stringMsg = explode('PRIVMSG', $data); // Strip IRC commands
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$ex = explode(' ', $data);
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$data = htmlentities($data);
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if($ex[1] == "376" || $ex[1] == "366") { continue; }
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// Send PONG back to the server
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if ($ex[0] == "PING") {
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// Log pong
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doLog("PONG, $username response...");
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$pongline = "PONG " . $ex[1] . "\n"; // PONG IRC CMD
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// Push to IRC server via socket.
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socket_write($socket, $pongline, strlen($pongline));
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} else if ($ex[1] == "353") {
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// Userlist has been captured, lets generate it for the client.
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// Grabs raw user list
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$userlistContent = "<b>" . $ex[4] . "</b><br />";
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$userlistRaw = explode($ex[4] . " :", $data);
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$userArray = explode(" ", $userlistRaw[1]);
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// Generate a list of users, in HTML format for userlist
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foreach($userArray as $usi) {
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$userlistContent .= "<a onclick='UserPM(\"$usi\");' href='#'>$usi</a> <br />";
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}
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file_put_contents("users/$username.userlist", $userlistContent);
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} else if ($ex[1] == "PART") {
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$senderNick = get_string_between($data, ":", "!");
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$senderIp = get_string_between($data, "@", " ");
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$exitMsg = explode('PART', $data);
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$partChannel = explode(' :', $exitMsg[1]);
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$msgline = "<tr><td class='userinfo'><b>$senderNick</b>: Leaving<br /><span style='color:$ipcolor;font-size:9px;'>$senderIp</span></td><td> left " . stripslashes(trim($exitMsg[1])) . "</td></tr>";
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file_put_contents("users/$username.log", $socketFileContents . $msgline);
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file_put_contents("users/.$username.push", "NAMES " . $partChannel[0] . "\n");
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} else if ($ex[1] == "JOIN") {
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$senderNick = get_string_between($data, ":", "!");
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$senderIp = get_string_between($data, "@", " ");
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$joinChannel = explode("JOIN :", $data);
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if($senderNick != $usernickname) {
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$msgline = "<tr><td class='userinfo'><b>$senderNick</b>:" . $joinChannel[1] . "<br /><span style='color:$ipcolor;font-size:9px;'>$senderIp</span></td><td> joined " . $joinChannel[1] . "</td></tr>\n";
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file_put_contents("users/$username.log", $socketFileContents . $msgline);
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} else {
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$msgline = "<tr><td class='userinfo'><span style='color:$ipcolor;'>" . $server_address . "</span> ~ </td><td>Joining " . $joinChannel[1] . "</td></tr>\n";
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file_put_contents("users/$username.log", $socketFileContents . $msgline);
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}
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file_put_contents("users/.$username.push", "NAMES " . $joinChannel[1] . "\n");
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} else if ($ex[1] == "NICK") {
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$senderNick = get_string_between($data, ":", "!");
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$senderIp = get_string_between($data, "@", " ");
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$nickMsg = explode('NICK :', $data);
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$msgline = "<tr><td class='userinfo'><b>$senderNick</b>:" . trim($nickMsg[1]);
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$msgline .= "<br /><span style='color:$ipcolor;font-size:9px;'>$senderIp</span>";
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$msgline .= "</td><td> $senderNick is now known as" . trim($nickMsg[1]);
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$msgline .= "</td></tr>\n";
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file_put_contents("users/$username.log", $socketFileContents . $msgline);
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} else if ($ex[1] == "QUIT") {
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$senderNick = get_string_between($data, ":", "!");
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$senderIp = get_string_between($data, "@", " ");
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$quitMsg = explode('QUIT :', $data);
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$msgline = "<tr><td class='userinfo'><b>$senderNick</b><br /><span style='color:$ipcolor;font-size:9px;'>$senderIp</span></td><td> $senderNick left: " . trim($quitMsg[1]) . "</td></tr>\n";
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file_put_contents("users/$username.log", $socketFileContents . $msgline);
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file_put_contents("users/.$username.push", "NAMES");
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} else if ($ex[2] == $usernickname && $ex[1] == "PRIVMSG") {
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$senderNick = get_string_between($data, ":", "!");
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$senderIp = get_string_between($data, "@", " ");
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$privMsg = explode($usernickname . " :", $stringMsg[1]);
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file_put_contents("users/.$username.pmed", "$senderNick");
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$msgline = "<tr><td class='userinfo'>PM from <b>$senderNick</b><br /><span style='color:$ipcolor;font-size:9px;'>$senderIp</span></td><td> " . htmlentities(stripslashes(trim($privMsg[1]))) . "</td></tr>\n";
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file_put_contents("users/$username.log", $socketFileContents . $msgline);
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$msg = "";
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} else if ($stringMsg[1] != "") {
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$senderNick = get_string_between($data, ":", "!");
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$senderIp = get_string_between($data, "@", " ");
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$channel = explode(" :", $stringMsg[1]);
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$msg = explode($channel[0] . " :", $stringMsg[1]);
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$msgline = "<tr><td class='userinfo'><b>$senderNick</b>:" . $channel[0] . "<br /><span style='color:$ipcolor;font-size:9px;'>$senderIp</span></td><td> " . htmlentities(stripslashes(trim($msg[1]))) . "</td></tr>";
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if(usernameInMsg($usernickname, $msg[1])==true) {
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file_put_contents("users/.$username.mentioned", "$senderNick");
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}
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file_put_contents("users/$username.log", $socketFileContents . $msgline);
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} else if ($ex[0] == ":$server_address") {
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$msgline = "<tr><td class='userinfo'><span style='color:$ipcolor;'>" . $server_address . "</span> ~ </td><td> " . $data . "</td></tr>\n";
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file_put_contents("users/$username.log", $socketFileContents . $msgline);
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}
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}
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}
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// second sleep to prevent insane CPU load
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usleep(250000);
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}
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?>
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