X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/c8bf26711c935aa14af1cfd72d8badc39b130f85..4408416b62a67bab980f9fdec3e4be04a7680039:/app/controllers/export_controller.rb

diff --git a/app/controllers/export_controller.rb b/app/controllers/export_controller.rb
index a773d4b72..cc3ed70c5 100644
--- a/app/controllers/export_controller.rb
+++ b/app/controllers/export_controller.rb
@@ -1,19 +1,29 @@
 class ExportController < ApplicationController
+
+  before_filter :authorize_web
+  before_filter :set_locale
+
   def start
   end
 
+  #When the user clicks 'Export' we redirect to a URL which generates the export download
   def finish
-    bbox = BoundingBox.new(params[:minlon], params[:minlat], params[:maxlon], params[:maxlat])
+    bbox = BoundingBox.from_lon_lat_params(params)
     format = params[:format]
 
     if format == "osm"
+      #redirect to API map get
       redirect_to "http://api.openstreetmap.org/api/#{API_VERSION}/map?bbox=#{bbox}"
+
     elsif format == "mapnik"
+      #redirect to a special 'export' cgi script
       format = params[:mapnik_format]
       scale = params[:mapnik_scale]
 
-      redirect_to "http://tile.openstreetmap.org/cgi-bin/export?bbox=#{bbox}&scale=#{scale}&format=#{format}"
+      redirect_to "http://parent.tile.openstreetmap.org/cgi-bin/export?bbox=#{bbox}&scale=#{scale}&format=#{format}"
+
     elsif format == "osmarender"
+      #redirect to the t@h 'MapOf' service
       format = params[:osmarender_format]
       zoom = params[:osmarender_zoom].to_i
       width = bbox.slippy_width(zoom).to_i