Support protocol options for all lookups.

lib/geocoder/lookups/baidu.rb

@@ -13,7 +13,7 @@ module Geocoder::Lookup
     end
 
     def query_url(query)
-      "http://api.map.baidu.com/geocoder/v2/?" + url_query_string(query)
+      "#{protocol}://api.map.baidu.com/geocoder/v2/?" + url_query_string(query)
     end
 
     # HTTP only

lib/geocoder/lookups/baidu_ip.rb

@@ -13,7 +13,7 @@ module Geocoder::Lookup
     end
 
     def query_url(query)
-      "http://api.map.baidu.com/location/ip?" + url_query_string(query)
+      "#{protocol}://api.map.baidu.com/location/ip?" + url_query_string(query)
     end
 
     # HTTP only

lib/geocoder/lookups/geocoder_us.rb

@@ -8,11 +8,15 @@ module Geocoder::Lookup
       "Geocoder.us"
     end
 
+      def supported_protocols
+        [:http]
+      end
+
     def query_url(query)
       if configuration.api_key
-        "http://#{configuration.api_key}@geocoder.us/member/service/csv/geocode?" + url_query_string(query)
+        "#{protocol}://#{configuration.api_key}@geocoder.us/member/service/csv/geocode?" + url_query_string(query)
       else
-        "http://geocoder.us/service/csv/geocode?" + url_query_string(query)
+        "#{protocol}://geocoder.us/service/csv/geocode?" + url_query_string(query)
       end
     end
 

lib/geocoder/lookups/telize.rb

@@ -9,7 +9,7 @@ module Geocoder::Lookup
     end
 
     def query_url(query)
-      "http://www.telize.com/geoip/#{query.sanitized_text}"
+      "#{protocol}://www.telize.com/geoip/#{query.sanitized_text}"
     end
 
     # currently doesn't support HTTPS