From 105dc4d3da821219d8d2a01b17833ead0c7c107f Mon Sep 17 00:00:00 2001
From: Markus Koch <markus@notsyncing.net>
Date: Sat, 25 Apr 2020 15:56:50 +0200
Subject: [PATCH] Add tile ID conversion php file

---
 htdocs/tiles/index.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/htdocs/tiles/index.php b/htdocs/tiles/index.php
index 62a2de0..7e0a89b 100644
--- a/htdocs/tiles/index.php
+++ b/htdocs/tiles/index.php
@@ -1,3 +1,14 @@
 <?php
+	$x = intval($_GET['x']);
+	$y = intval($_GET['y']);
+	$z = intval($_GET['z']);
+	$id = preg_replace("/[^a-z0-9\-]/", "", $_GET['id']);
+	if (strlen($id) > 30) die();
 
+	$hdr = "Location: /maps.linux-forks.de/tiles/$id/$z/" . str_pad($y * (2**$z) + $x, 5, "0", STR_PAD_LEFT) . ".png";
+	if (isset($_GET["debug"])) {
+		echo $hdr;
+	} else {
+		header($hdr);
+	}
 ?>