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1
README
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1
README
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# Minecraft-server status
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24
index.php
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24
index.php
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<html>
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<head>
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<link rel="stylesheet" href="main.css">
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</head>
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<body>
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<?php
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require_once('minestat.php');
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$ms = new MineStat("localhost");
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if($ms->is_online()) {
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<h3>Join on server.thisfro.ch!</h3>
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<p>The Server is: </p>
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<h2 class="online status">online</h2>
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<p>running version</p>
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<h2>1.16.3</h2><br>
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<p>Players online</p>
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<h2>0 / 10</h2>
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}
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else {
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<p>The Server is: </p>
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<h2 class="offline status">offline</h2>
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}
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?>
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</body>
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</html>
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48
main.css
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48
main.css
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body {
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width: 50%;
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margin: auto;
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margin-top: 50px;
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text-align: center;
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font-family: Arial, Helvetica, sans-serif;
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}
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h2 {
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font-size: 2.5pc;
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}
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h3 {
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background-color: #387eee;
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color: #fff;
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padding: 1pc;
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}
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.status {
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padding: 1pc;
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color:#fff;
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}
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.online {
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background-color: #1bae5b;
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}
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.offline {
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background-color: rgb(248, 48, 88);
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}
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@media only screen and (max-width: 1000px) {
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body {
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width: 80%;
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}
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h2 {
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font-size: 6pc;
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}
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h3 {
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font-size: 3pc;
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}
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p {
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font-size: 3pc;
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}
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}
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372
minestat.php
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372
minestat.php
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<?php
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/*
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* minestat.php - A Minecraft server status checker
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* Copyright (C) 2014-2020 Lloyd Dilley
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* http://www.dilley.me/
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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class MineStat
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{
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const NUM_FIELDS = 6; // number of values expected from server
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const NUM_FIELDS_BETA = 3; // number of values expected from a 1.8b/1.3 server
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const MAX_VARINT_SIZE = 5; // maximum number of bytes a varint can be
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// No enums or class nesting in PHP, so this is our workaround for return values
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const RETURN_SUCCESS = 0;
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const RETURN_CONNFAIL = -1;
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const RETURN_TIMEOUT = -2;
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const RETURN_UNKNOWN = -3;
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private $address; // hostname or IP address of the Minecraft server
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private $port; // port number the Minecraft server accepts connections on
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private $online; // online or offline?
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private $version; // Minecraft server version
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private $motd; // message of the day
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private $current_players; // current number of players online
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private $max_players; // maximum player capacity
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private $protocol; // protocol level
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private $json_data; // JSON data for 1.7 queries
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private $latency; // ping time to server in milliseconds
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private $timeout; // timeout in seconds
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private $socket; // network socket
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public function __construct($address, $port = 25565, $timeout = 5)
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{
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$this->address = $address;
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$this->port = $port;
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$this->timeout = $timeout;
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$this->online = false;
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$retval = $this->json_query(); // 1.7
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if($retval != MineStat::RETURN_SUCCESS && $retval != MineStat::RETURN_CONNFAIL)
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$retval = $this->new_query(); // 1.6
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if($retval != MineStat::RETURN_SUCCESS && $retval != MineStat::RETURN_CONNFAIL)
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$retval = $this->legacy_query(); // 1.4/1.5
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if($retval != MineStat::RETURN_SUCCESS && $retval != MineStat::RETURN_CONNFAIL)
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$retval = $this->beta_query(); // 1.8b/1.3
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}
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public function __destruct()
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{
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if(@socket_read($this->socket, 1))
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{
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socket_shutdown($this->socket);
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socket_close($this->socket);
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$this->socket = null;
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}
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}
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public function get_address() { return $this->address; }
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public function get_port() { return $this->port; }
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public function is_online() { return $this->online; }
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public function get_version() { return $this->version; }
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public function get_motd() { return $this->motd; }
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public function get_current_players() { return $this->current_players; }
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public function get_max_players() { return $this->max_players; }
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public function get_protocol() { return $this->protocol; }
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public function get_json() { return $this->json_data; }
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public function get_latency() { return $this->latency; }
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/* Connects to remote server */
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private function connect()
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{
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$this->socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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socket_set_option($this->socket, SOL_SOCKET, SO_RCVTIMEO, array('sec' => $this->timeout, 'usec' => 0));
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if($this->socket === false)
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return MineStat::RETURN_CONNFAIL;
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// Since socket_connect() does not respect timeout, we have to toggle non-blocking mode and enforce the timeout
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socket_set_nonblock($this->socket);
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$time = time();
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$start_time = microtime(true);
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while(!@socket_connect($this->socket, $this->address, $this->port))
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{
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if((time() - $time) >= $this->timeout)
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{
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socket_close($this->socket);
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return MineStat::RETURN_TIMEOUT;
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}
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usleep(0);
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}
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$result = @socket_connect($this->socket, $this->address, $this->port);
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$this->latency = round((microtime(true) - $start_time) * 1000);
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socket_set_block($this->socket);
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if($result === false && socket_last_error($this->socket) != SOCKET_EISCONN)
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return MineStat::RETURN_CONNFAIL;
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return MineStat::RETURN_SUCCESS;
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}
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/* Populates object fields after connecting */
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private function parse_data($delimiter, $is_beta = false)
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{
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$response = @unpack('C', socket_read($this->socket, 1));
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//socket_recv($this->socket, $response, 2, MSG_PEEK);
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if(!empty($response) && $response[1] == 0xFF) // kick packet (255)
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{
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$len = unpack('n', socket_read($this->socket, 2))[1];
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$raw_data = mb_convert_encoding(socket_read($this->socket, ($len * 2)), "UTF-8", "UTF-16BE");
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socket_close($this->socket);
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}
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else
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{
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socket_close($this->socket);
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return MineStat::RETURN_UNKNOWN;
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}
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if(isset($raw_data))
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{
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$server_info = explode($delimiter, $raw_data); // split on delimiter
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if($is_beta)
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$num_fields = MineStat::NUM_FIELDS_BETA;
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else
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$num_fields = MineStat::NUM_FIELDS;
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if(isset($server_info) && sizeof($server_info) >= $num_fields)
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{
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if($is_beta)
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{
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$this->version = "1.8b/1.3"; // since server does not return version, set it
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$this->motd = $server_info[0];
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$this->current_players = (int)$server_info[1];
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$this->max_players = (int)$server_info[2];
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$this->online = true;
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}
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else
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{
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// $server_info[0] contains the section symbol and 1
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$this->protocol = (int)$server_info[1]; // contains the protocol version (51 for 1.9 or 78 for 1.6.4 for example)
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$this->version = $server_info[2];
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$this->motd = $server_info[3];
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$this->current_players = (int)$server_info[4];
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$this->max_players = (int)$server_info[5];
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$this->online = true;
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}
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}
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else
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return MineStat::RETURN_UNKNOWN;
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}
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else
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return MineStat::RETURN_UNKNOWN;
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return MineStat::RETURN_SUCCESS;
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}
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/*
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* 1.8b/1.3
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* 1.8 beta through 1.3 servers communicate as follows for a ping query:
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* 1. Client sends \xFE (server list ping)
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* 2. Server responds with:
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* 2a. \xFF (kick packet)
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* 2b. data length
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* 2c. 3 fields delimited by \u00A7 (section symbol)
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* The 3 fields, in order, are: message of the day, current players, and max players
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*/
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public function beta_query()
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{
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try
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{
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$retval = $this->connect();
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if($retval != MineStat::RETURN_SUCCESS)
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return $retval;
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// Start the handshake and attempt to acquire data
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socket_write($this->socket, "\xFE");
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$retval = $this->parse_data("\xA7", true);
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}
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catch(Exception $e)
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{
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return MineStat::RETURN_UNKNOWN;
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}
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return $retval;
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}
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/*
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* 1.4/1.5
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* 1.4 and 1.5 servers communicate as follows for a ping query:
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* 1. Client sends:
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* 1a. \xFE (server list ping)
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* 1b. \x01 (server list ping payload)
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* 2. Server responds with:
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* 2a. \xFF (kick packet)
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* 2b. data length
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* 2c. 6 fields delimited by \x00 (null)
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* The 6 fields, in order, are: the section symbol and 1, protocol version,
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* server version, message of the day, current players, and max players.
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* The protocol version corresponds with the server version and can be the
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* same for different server versions.
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*/
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public function legacy_query()
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{
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try
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{
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$retval = $this->connect();
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if($retval != MineStat::RETURN_SUCCESS)
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return $retval;
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// Start the handshake and attempt to acquire data
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socket_write($this->socket, "\xFE\x01");
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$retval = $this->parse_data("\x00");
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}
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catch(Exception $e)
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{
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return MineStat::RETURN_UNKNOWN;
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}
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return $retval;
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}
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/*
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* 1.6
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* 1.6 servers communicate as follows for a ping query:
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* 1. Client sends:
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* 1a. \xFE (server list ping)
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* 1b. \x01 (server list ping payload)
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* 1c. \xFA (plugin message)
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* 1d. \x00\x0B (11 which is the length of "MC|PingHost")
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* 1e. "MC|PingHost" encoded as a UTF-16BE string
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* 1f. length of remaining data as a short: remote address (encoded as UTF-16BE) + 7
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* 1g. arbitrary 1.6 protocol version (\x4E for example for 78)
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* 1h. length of remote address as a short
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* 1i. remote address encoded as a UTF-16BE string
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* 1j. remote port as an int
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* 2. Server responds with:
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* 2a. \xFF (kick packet)
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* 2b. data length
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* 2c. 6 fields delimited by \x00 (null)
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* The 6 fields, in order, are: the section symbol and 1, protocol version,
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* server version, message of the day, current players, and max players.
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* The protocol version corresponds with the server version and can be the
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* same for different server versions.
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*/
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public function new_query()
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{
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try
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{
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$retval = $this->connect();
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if($retval != MineStat::RETURN_SUCCESS)
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return $retval;
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// Start the handshake and attempt to acquire data
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socket_write($this->socket, "\xFE\x01\xFA");
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socket_write($this->socket, "\x00\x0B"); // 11 (length of "MC|PingHost")
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socket_write($this->socket, mb_convert_encoding("MC|PingHost", "UTF-16BE")); // requires PHP mbstring
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socket_write($this->socket, pack('n', (7 + 2 * strlen($this->address))));
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socket_write($this->socket, "\x4E"); // 78 (protocol version of 1.6.4)
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socket_write($this->socket, pack('n', strlen($this->address)));
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socket_write($this->socket, mb_convert_encoding($this->address, "UTF-16BE"));
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socket_write($this->socket, pack('N', $this->port));
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$retval = $this->parse_data("\x00");
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}
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catch(Exception $e)
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{
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return MineStat::RETURN_UNKNOWN;
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}
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return $retval;
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}
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/*
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* 1.7
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* 1.7 to current servers communicate as follows for a ping query:
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* 1. Client sends:
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* 1a. \x00 (handshake packet containing the fields specified below)
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* 1b. \x00 (request)
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* The handshake packet contains the following fields respectively:
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* 1. protocol version as a varint (\x00 suffices)
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* 2. remote address as a string
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* 3. remote port as an unsigned short
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* 4. state as a varint (should be 1 for status)
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* 2. Server responds with:
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* 2a. \x00 (JSON response)
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* An example JSON string contains:
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* {'players': {'max': 20, 'online': 0},
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* 'version': {'protocol': 404, 'name': '1.13.2'},
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* 'description': {'text': 'A Minecraft Server'}}
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*/
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public function json_query()
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{
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try
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{
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$retval = $this->connect();
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if($retval != MineStat::RETURN_SUCCESS)
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return $retval;
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// Start handshake
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$payload = "\x00\x00";
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$payload .= pack('c', strlen($this->address)) . $this->address;
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$payload .= pack('n', $this->port);
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$payload .= "\x01";
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$payload = pack('c', strlen($payload)) . $payload;
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socket_write($this->socket, $payload);
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socket_write($this->socket, "\x01\x00");
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// Acquire data
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$total_len = $this->unpack_varint();
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if($this->unpack_varint() != 0)
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return MineStat::RETURN_UNKNOWN;
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$json_len = $this->unpack_varint();
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socket_recv($this->socket, $response, $json_len, MSG_WAITALL);
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socket_close($this->socket);
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$json_data = json_decode($response, true);
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if(json_last_error() != 0)
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{
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//echo(json_last_error_msg());
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return MineStat::RETURN_UNKNOWN;
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}
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$this->json_data = $json_data;
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// Parse data
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//var_dump($json_data);
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$this->protocol = (int)@$json_data['version']['protocol'];
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$this->version = @$json_data['version']['name'];
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$this->motd = @$json_data['description']['text'];
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$this->current_players = (int)@$json_data['players']['online'];
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$this->max_players = (int)@$json_data['players']['max'];
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if(isset($this->version) && isset($this->motd) && isset($this->current_players) && isset($this->max_players))
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$this->online = true;
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else
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return MineStat::RETURN_UNKNOWN;
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}
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catch(Exception $e)
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{
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return MineStat::RETURN_UNKNOWN;
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}
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return MineStat::RETURN_SUCCESS;
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}
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/* Returns value of varint type */
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private function unpack_varint()
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{
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$vint = 0;
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for($i = 0; $i <= MineStat::MAX_VARINT_SIZE; $i++)
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{
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$data = socket_read($this->socket, 1);
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if(!$data)
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return 0;
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$data = ord($data);
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$vint |= ($data & 0x7F) << $i++ * 7;
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if(($data & 0x80) != 128)
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break;
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}
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return $vint;
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}
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}
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||||
?>
|
||||
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Reference in a new issue