Check HTTP 403 error on missing api keys

lib/geocoder/lookups/ipdata_co.rb

@@ -43,5 +43,14 @@ module Geocoder::Lookup
     def host
       "api.ipdata.co"
     end
+
+    def check_response_for_errors!(response)
+      if response.code.to_i == 403
+        raise_error(Geocoder::RequestDenied) ||
+          Geocoder.log(:warn, "Geocoding API error: 403 API key does not exist")
+      else
+        super(response)
+      end
+    end
   end
 end

test/unit/lookups/ipdata_co_test.rb

@@ -24,4 +24,12 @@ class IpdataCoTest < GeocoderTestCase
     assert_equal "Jersey City, NJ 07302, United States", result.address
   end
 
+  def test_not_authorized
+    Geocoder.configure(always_raise: [Geocoder::RequestDenied])
+    lookup = Geocoder::Lookup.get(:ipdata_co)
+      assert_raises Geocoder::RequestDenied do
+        response = MockHttpResponse.new(code: 403)
+        lookup.send(:check_response_for_errors!, response)
+    end
+  end
 end