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image.php
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image.php
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<?php
header("Content-type: image/png");
if (!empty($_GET["ip"])) {
$ip = htmlspecialchars($_GET["ip"]);
if (empty($_GET["text"])) {
$text = null;
} else {
$text = htmlspecialchars($_GET["text"]);
}
if (empty($_GET["tlx"])) {
$text_loc_x = 540;
} else {
$text = htmlspecialchars($_GET["tlx"]);
}
if (empty($_GET["tly"])) {
$text_loc_y = 240;
} else {
$text = htmlspecialchars($_GET["tly"]);
}
if (empty($_GET["port"])) {
$port = 25565;
} else {
$port = htmlspecialchars($_GET["port"]);
}
img::paintImage($ip, $text, $port, $text_loc_x, $text_loc_y);
}
class img {
function paintImage($ip, $text, $port, $text_loc_x, $text_loc_y) {
$query = self::QueryMinecraft($ip, $port);
if ($query === FALSE) {
self::error();
return FALSE;
}
$motd = $query["HostName"];
$online = '在线人数:' . $query["Players"];
$max = $query["MaxPlayers"];
$ver = $query["Version"];
$im = imagecreatefrompng('background.png');
$white = imagecolorallocate($im, 255, 255, 255);
$yellow = imagecolorallocate($im, 255, 255, 0);
$green = imagecolorallocate($im, 4, 255, 32);
$path = dirname(__FILE__);
$font = $path . '/font.ttf';
imagettftext($im, 30, 0, 900, 290, $green, $font, '游戏版本:' . $ver);
imagettftext($im, 40, 0, 10, 50, $white, $font, $online . '/' . $max);
imagettftext($im, 60, 10, 160, 230, $yellow, $font, $motd);
imagettftext($im, 30, 0, 540, 240, $green, $font, $text);
imagepng($im);
imagedestroy($im);
}
function error() {
$err_msg = "抱歉，无法获取数据！";
$moe_msg = "(╯' - ')╯┻━┻ <-服务器";
$im = imagecreatefrompng('background.png');
$red = imagecolorallocate($im, 255, 0, 0);
$green = imagecolorallocate($im, 4, 255, 32);
$path = dirname(__FILE__);
$font = $path . '/font.ttf';
imagettftext($im, 100, 0, 0, 170, $red, $font, $err_msg);
imagettftext($im, 40, 0, 300, 260, $green, $font, $moe_msg);
imagepng($im);
imagedestroy($im);
}
function QueryMinecraft($IP, $Port) {
$Socket = Socket_Create(AF_INET, SOCK_STREAM, SOL_TCP);
Socket_Set_Option($Socket, SOL_SOCKET, SO_SNDTIMEO, array('sec' => 2, 'usec' => 0));
Socket_Set_Option($Socket, SOL_SOCKET, SO_RCVTIMEO, array('sec' => 2, 'usec' => 0));
if ($Socket === FALSE || @Socket_Connect($Socket, $IP, (int) $Port) === FALSE) {
return FALSE;
}
Socket_Send($Socket, "\xFE\x01", 2, 0);
$Len = Socket_Recv($Socket, $Data, 512, 0);
Socket_Close($Socket);
if ($Len < 4 || $Data[0] !== "\xFF") {
return FALSE;
}
$Data = SubStr($Data, 3);
$Data = iconv('UTF-16BE', 'UTF-8', $Data);
if ($Data[1] === "\xA7" && $Data[2] === "\x31") {
$Data = Explode("\x00", $Data);
return Array(
'HostName' => $Data[3],
'Players' => IntVal($Data[4]),
'MaxPlayers' => IntVal($Data[5]),
'Protocol' => IntVal($Data[1]),
'Version' => $Data[2],
);
}
$Data = Explode("\xA7", $Data);
return Array(
'HostName' => SubStr($Data[0], 0, -1),
'Players' => isset($Data[1]) ? IntVal($Data[1]) : 0,
'MaxPlayers' => isset($Data[2]) ? IntVal($Data[2]) : 0,
'Protocol' => 0,
'Version' => '1.3',
);
}
}