From 5be0f828c1cdf9f69aefdcc158fc06f2f5a67cfc Mon Sep 17 00:00:00 2001
From: Sarah Hoffmann <lonvia@denofr.de>
Date: Thu, 11 Jun 2015 15:51:47 +0200
Subject: [PATCH] restrict viewbox size

---
 lib/Geocode.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/Geocode.php b/lib/Geocode.php
index a9fe9611..a9fa44fe 100644
--- a/lib/Geocode.php
+++ b/lib/Geocode.php
@@ -148,9 +148,15 @@
 			$this->bBoundedSearch = (bool)$bBoundedSearch;
 		}
 
-		function setViewBox($fLeft, $fBottom, $fRight, $fTop)
+		function setViewBox($sLeft, $sBottom, $sRight, $sTop)
 		{
-			$this->aViewBox = array($fLeft, $fBottom, $fRight, $fTop);
+			$fLeft = (float)$sLeft;
+			$fRight = (float)$sRight;
+			$fTop = (float)$sTop;
+			$fBottom = (float)$sBottom;
+			if ($fRight > $fLeft && $fBottom > $fTop
+			    && ($fRight - $fLeft) < 2 && ($fBottom - $fTop) < 2)
+				$this->aViewBox = array($fLeft, $fBottom, $fRight, $fTop);
 		}
 
 		function getViewBoxString()
-- 
2.39.5