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OpenSim.VisitorBoard
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OpenSim.VisitorBoard/index.php

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<?php
/***********************************************************************
* Script (c) Kubwa (https://kubwa.de)
*
* This script was release under BSD license.
* You are free to use, share or change this code as you wish. This
* header must be kept intact.
***********************************************************************/
error_reporting(0);
require_once("classes/Framework.MySql.Class.php");
require_once("classes/GridUserInfo.php");
require_once("classes/Http.php");
require_once("classes/Xml.php");
require_once("Config.php");
/*
This is the new visitorboard code.
It will generate a nice looking png image that is being shown on the visitorboard inworld.
*/
//Database
$MySql = new MySql($GLOBALS["CONFIG"]["mysql"]["user"], $GLOBALS["CONFIG"]["mysql"]["pass"], $GLOBALS["CONFIG"]["mysql"]["db"], $GLOBALS["CONFIG"]["mysql"]["server"]);
//Look up timezone, country and the (hopefulle) correct language for the region that requests this image
$ListOfTimezones = DateTimeZone::listIdentifiers(DateTimeZone::ALL);
$MySql->query("DELETE FROM ip_timezones WHERE unix < {0} OR (unix < {1} AND country = '')", array(time() - 86400 * 60, time() - 86400));
$Exists = $MySql->query("SELECT * FROM ip_timezones WHERE ip = md5({0}) LIMIT 1", array($_SERVER["REMOTE_ADDR"]))->fetch();
$TimeZone = "Europe/Berlin";
$Country = "DE";
if (empty($Exists["ip"]))
{
//We can also use another service to trace the ip, if you wish so, change this code
$TraceRequest = json_decode(HttpRequest("http://ip-api.com/json/".$_SERVER["REMOTE_ADDR"], "", 3), true);
if ($TraceRequest["status"] == "success")
{
$TimeZone = $TraceRequest["timezone"];
$Country = $TraceRequest["countryCode"];
}
//To have a minimum of dataprotection, we are hashing the cached ip addresses
$MySql->query("INSERT INTO ip_timezones (ip, timezone, country, unix)VALUES(md5({0}), {1}, {2}, {3})", array($_SERVER["REMOTE_ADDR"], $TimeZone, $Country, time()));
}
else
{
$TimeZone = $Exists["timezone"];
$Country = $Exists["country"];
}
if (in_array(strtolower($TimeZone), $ListOfTimezones))
{date_default_timezone_set($TimeZone);}
//Handle languagefile
LoadLanguages();
$SelLang = strtolower($_GET["l"]);
if (empty($SelLang))
{
//If no prefered language is sent to the script, use the clients ip address to detect display language
$Exists = $MySql->query("SELECT * FROM countries_lang WHERE country = {0} LIMIT 1", array(strtolower($Country)))->fetch();
if (!empty($Exists["lang"]))
{$SelLang = strtolower($Exists["lang"]);}
}
if (!isset($GLOBALS["LanguageData"][$SelLang])) {$SelLang = "en";}
//So, now lets start with requesting all required information from the visitors grids
$UserMem = array();
$AllUsers = explode(";", $_GET["u"]);
for ($i = 0; $i < count($AllUsers); ++$i)
{
$SingleUser = explode(",", $AllUsers[$i]);
for ($z = 0; $z < count($SingleUser); ++$z)
{$SingleUser[$z] = trim($SingleUser[$z]);}
if (!empty($SingleUser[0]) && !empty($SingleUser[1]))
{
//The magic is done here
$UserInfo = new GridUser($SingleUser[0], $SingleUser[1]);
$Info = $UserInfo->ToArray();
if ($Info !== false)
{
$UserMem[] = array("uuid" => $Info["uuid"],
"name" => $Info["firstname"]." ".$Info["lastname"],
"grid" => $Info["homegrid"],
"title" => $Info["title"],
"img" => $Info["img"],
"unix" => date("d.m.Y H:i", (int)$SingleUser[2]));
}
}
}
$UserMem = array_reverse($UserMem);
//Now we are starting to render the image
$Image = imagecreatetruecolor(1024, 512);
$Colors["white"] = imagecolorallocate($Image, 255, 255, 255);
$Colors["red"] = imagecolorallocate($Image, 140, 0, 0);
$Colors["blue"] = imagecolorallocate($Image, 0, 0, 140);
$Colors["green"] = imagecolorallocate($Image, 0, 60, 0);
$Colors["whitealpha"] = imagecolorallocatealpha($Image, 255, 255, 255, 96);
$Background = imagecreatefromjpeg("Img/Blackboard.jpg");
imagecopyresampled($Image, $Background, 0, 0, 0, 0, 1024, 512, imagesx($Background), imagesy($Background));
$Size = imageftbbox(26, 0, "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_1"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 26, 0, 20, 20 + $Size[1], $Colors["white"], "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_1"]);
$Size = imageftbbox(24, 0, "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_2"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 24, 0, 20, 240 + $Size[1], $Colors["white"], "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_2"]);
$x = 20;
$y = 65;
for ($i = 0; $i < count($UserMem); ++$i)
{
if ($i < 2)
{$ImgSize = 160;}
else
{$ImgSize = 92;}
if ($i > 0)
{
if ($i < 2)
{$x = $x + 512;}
else
{
$x = $x + 1024 / 3;
if ($i == 2)
{
$x = 20;
$y = 280;
}
if ($x >= 1024)
{
$x = 20;
$y = $y + 120;
}
}
}
$UserImage = MakeBorderOnImage(imagecreatefromstring($UserMem[$i]["img"]), "ChalkBorder");
imagecopyresampled($Image, $UserImage, $x, $y, 0, 0, $ImgSize, $ImgSize, imagesx($UserImage), imagesy($UserImage));
if ($i < 2)
{
$LocalY = $y;
$Size = imageftbbox(12, 0, "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_name"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 12, 0, $x + $ImgSize + 10, $LocalY + $Size[1], $Colors["white"], "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_name"]);
$LocalY = $LocalY + $Size[1] + 5;
$Size = imageftbbox(18, 0, "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["name"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 18, 0, $x + $ImgSize + 10 + 10, $LocalY + $Size[1], $Colors["red"], "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["name"]);
$LocalY = $LocalY + $Size[1] + 2;
$Size = imageftbbox(11, 0, "Fonts/DJB Chalk It Up.ttf", "» ".$UserMem[$i]["title"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 11, 0, $x + $ImgSize + 10 + 10, $LocalY + $Size[1], $Colors["green"], "Fonts/DJB Chalk It Up.ttf", "» ".$UserMem[$i]["title"]);
$LocalY = $LocalY + $Size[1] + 10;
$Size = imageftbbox(12, 0, "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_from"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 12, 0, $x + $ImgSize + 10, $LocalY + $Size[1], $Colors["white"], "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_from"]);
$LocalY = $LocalY + $Size[1] + 5;
$Size = imageftbbox(18, 0, "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["grid"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 18, 0, $x + $ImgSize + 10 + 10, $LocalY + $Size[1], $Colors["blue"], "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["grid"]);
$LocalY = $LocalY + $Size[1] + 10;
$Size = imageftbbox(12, 0, "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_time"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 12, 0, $x + $ImgSize + 10, $LocalY + $Size[1], $Colors["white"], "Fonts/DJB Chalk It Up.ttf", $GLOBALS["LanguageData"][$SelLang]["title_time"]);
$LocalY = $LocalY + $Size[1] + 5;
$Size = imageftbbox(18, 0, "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["unix"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 18, 0, $x + $ImgSize + 10 + 10, $LocalY + $Size[1], $Colors["white"], "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["unix"]);
$LocalY = $LocalY + $Size[1] + 10;
}
else
{
$LocalY = $y;
$Size = imageftbbox(14, 0, "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["name"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 14, 0, $x + $ImgSize + 10, $LocalY + $Size[1], $Colors["red"], "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["name"]);
$LocalY = $LocalY + $Size[1] + 2;
$Size = imageftbbox(9, 0, "Fonts/DJB Chalk It Up.ttf", "» ".$UserMem[$i]["title"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 9, 0, $x + $ImgSize + 10, $LocalY + $Size[1], $Colors["green"], "Fonts/DJB Chalk It Up.ttf", "» ".$UserMem[$i]["title"]);
$LocalY = $LocalY + $Size[1] + 10;
$Size = imageftbbox(14, 0, "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["grid"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 14, 0, $x + $ImgSize + 10, $LocalY + $Size[1], $Colors["blue"], "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["grid"]);
$LocalY = $LocalY + $Size[1] + 10;
$Size = imageftbbox(14, 0, "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["unix"]);
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 14, 0, $x + $ImgSize + 10, $LocalY + $Size[1], $Colors["white"], "Fonts/DJB Chalk It Up.ttf", $UserMem[$i]["unix"]);
$LocalY = $LocalY + $Size[1] + 10;
}
}
$Size = imageftbbox(10, 0, "Fonts/BlackOpsOne-Regular.ttf", "KUBWA");
$Size = array(abs($Size[0]) + abs($Size[2]), abs($Size[1]) + abs($Size[5]));
imagefttext($Image, 10, 0, 1024 - $Size[0] - 15, 512 - $Size[1], $Colors["whitealpha"], "Fonts/BlackOpsOne-Regular.ttf", "KUBWA");
header("content-type: image/png");
imagepng($Image);
//A little helper function which puts a nice frame around a users image
function MakeBorderOnImage($Image, $Border)
{
imagealphablending($Image, false);
imagesavealpha($Image, true);
$Border = imagecreatefrompng("Img/".$Border.".png");
$ScaledBorder = imagecreatetruecolor(imagesx($Image), imagesy($Image));
imagecopyresampled($ScaledBorder, $Border, 0, 0, 0, 0, imagesx($Image), imagesy($Image), imagesx($Border), imagesy($Border));
if (round(rand(0, 3)) == 1) {imageflip($ScaledBorder, IMG_FLIP_HORIZONTAL);}
if (round(rand(0, 3)) == 2) {imageflip($ScaledBorder, IMG_FLIP_VERTICAL);}
if (round(rand(0, 3)) == 3) {imageflip($ScaledBorder, IMG_FLIP_BOTH);}
$ScaledBorder = imagerotate($ScaledBorder, 3 - rand(0, 6), imagecolorallocate($ScaledBorder, 76, 255, 0), true);
$Transparent = imagecolorallocatealpha ($Image, 255, 255, 255, 127);
for ($y = 0; $y < imagesy($ScaledBorder); ++$y)
{
for ($x = 0; $x < imagesx($ScaledBorder); ++$x)
{
$rgb = imagecolorsforindex($ScaledBorder, imagecolorat($ScaledBorder, $x, $y));
if ($rgb["green"] >= 250 && $rgb["red"] < 100 && $rgb["blue"] < 100)
{imagesetpixel($Image, $x, $y, $Transparent);}
else
{
if ($rgb["red"] > 0 && $rgb["green"] > 0 && $rgb["blue"] > 0 && rand(0, 1000) > 100)
{imagesetpixel($Image, $x, $y, imagecolorallocatealpha($Image, 255, 255, 255, $rgb["alpha"]));}
}
}
}
return $Image;
}
//Language variable handling (kind of shitty)
$GLOBALS["LanguageData"] = array();
function LoadLanguages()
{
$Temp = file_get_contents("Language/lang.txt");
$Temp = explode("\n", str_replace("\r", "", $Temp));
$CurLng = "";
for ($i = 0; $i < count($Temp); ++$i)
{
$Line = trim(explode("#", $Temp[$i])[0]);
if (!empty($Line))
{
if (substr($Line, 0, 1) == "[")
{
$CurLng = substr($Line, 1, -1);
$GLOBALS["LanguageData"][strtolower($CurLng)] = array();
}
else
{
if (!empty($CurLng))
{
$KeyPair = explode("=", $Line, 2);
$GLOBALS["LanguageData"][strtolower($CurLng)][strtolower(trim($KeyPair[0]))] = trim($KeyPair[1]);
}
}
}
}
}
?>
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