Check for invalid geometries in the WKT decoder

Outdooractive · Jun 28, 2023 · c20d7a9 · c20d7a9
1 parent e31f169
commit c20d7a9
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/Sources/GISTools/GeoJson/WKTCoder.swift b/Sources/GISTools/GeoJson/WKTCoder.swift
@@ -488,6 +488,10 @@ extension WKTCoder {
                 throw WKTCoderError.dataCorrupted
             }
 
+            guard x.isFinite, y.isFinite else {
+                throw WKTCoderError.invalidGeometry
+            }
+
             var z: Double?
             var m: Double?
 
@@ -502,6 +506,9 @@ extension WKTCoder {
                 m = vector.get(at: 2)
             }
 
+            if z?.isFinite == false { z = nil }
+            if m?.isFinite == false { m = nil }
+
             switch projection {
             case .epsg4326:
                 coordinates.append(Coordinate3D(latitude: y, longitude: x, altitude: z, m: m))