Work round ruby's horribly broken URI.escape that deliberately doesn't
authorTom Hughes <tom@compton.nu>
Sat, 24 Nov 2007 14:36:21 +0000 (14:36 +0000)
committerTom Hughes <tom@compton.nu>
Sat, 24 Nov 2007 14:36:21 +0000 (14:36 +0000)
escape most characters which have special meaning in URIs...

app/controllers/geocoder_controller.rb

index 27e7cbf3e7e41db234c311faf57e5a63ac94390a..489d89b58b5422059aca844cc68cd1f1d6bef7b3 100644 (file)
@@ -55,7 +55,7 @@ private
     results = Array.new
 
     # ask geocoder.us (they have a non-commercial use api)
-    response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{URI.escape(query)}")
+    response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{escape_query(query)}")
 
     # parse the response
     unless response.match(/couldn't find this zip/)
@@ -74,7 +74,7 @@ private
     results = Array.new
 
     # ask npemap.org.uk to do a combined npemap + freethepostcode search
-    response = fetch_text("http://www.npemap.org.uk/cgi/geocoder.fcgi?format=text&postcode=#{URI.escape(query)}")
+    response = fetch_text("http://www.npemap.org.uk/cgi/geocoder.fcgi?format=text&postcode=#{escape_query(query)}")
 
     # parse the response
     unless response.match(/Error/)
@@ -93,7 +93,7 @@ private
     results = Array.new
 
     # ask geocoder.ca (note - they have a per-day limit)
-    response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{URI.escape(query)}")
+    response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{escape_query(query)}")
 
     # parse the response
     unless response.get_elements("geodata/error")
@@ -112,7 +112,7 @@ private
     results = Array.new
 
     # ask OSM namefinder
-    response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{URI.escape(query)}")
+    response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{escape_query(query)}")
 
     # parse the response
     response.elements.each("searchresults/named") do |named|
@@ -151,7 +151,7 @@ private
     results = Array.new
 
     # ask geonames.org
-    response = fetch_xml("http://ws.geonames.org/search?q=#{URI.escape(query)}&maxRows=20")
+    response = fetch_xml("http://ws.geonames.org/search?q=#{escape_query(query)}&maxRows=20")
 
     # parse the response
     response.elements.each("geonames/geoname") do |geoname|
@@ -248,4 +248,8 @@ private
 
     return count
   end
+
+  def escape_query(query)
+    return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N'))
+  end
 end