From 3752416600cb8ea3886e680551d542e4a2850897 Mon Sep 17 00:00:00 2001
From: Andrew Calcutt <acalcutt@techidiots.net>
Date: Mon, 29 Jan 2024 01:16:03 -0500
Subject: [PATCH] fix: put back if

Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>
---
 src/serve_rendered.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/serve_rendered.js b/src/serve_rendered.js
index 75d35d0..91ff832 100644
--- a/src/serve_rendered.js
+++ b/src/serve_rendered.js
@@ -381,6 +381,14 @@ const respondImage = (
   overlay = null,
   mode = 'tile',
 ) => {
+  if (
+    Math.abs(lon) > 180 ||
+    Math.abs(lat) > 85.06 ||
+    lon !== lon ||
+    lat !== lat
+  ) {
+    return res.status(400).send('Invalid center');
+  }
 
   if (
     Math.min(width, height) <= 0 ||