Address the uploads issue #1584

'%20' in filenames are translated back to ' ' in both editor and file creation.

lib/gollum/app.rb

@@ -230,14 +230,15 @@ module Precious
         halt 500 unless tempfile.is_a? Tempfile
 
         if wiki.per_page_uploads
-          # remove base_url and gollum/* subpath if necessary
-          dir = request.referer.
-                  sub(request.base_url, '').
-                  sub(/.*gollum\/[-\w]+\//, '')
+          dir = request.referer.sub(request.base_url, '')
           # remove base path if it is set
-          dir = dir.sub(wiki.base_path, '') if wiki.base_path
+          dir.sub!(/^#{wiki.base_path}/, '') if wiki.base_path
+          # remove base_url and gollum/* subpath if necessary
+          dir.sub!(/^\/gollum\/[-\w]+\//, '')
           # remove file extension 
-          dir = dir.sub(::File.extname(dir), '')
+          dir.sub!(/#{::File.extname(dir)}$/, '')
+          # revert escaped whitespaces
+          dir.gsub!(/%20/, ' ')
           dir = ::File.join('uploads', dir)
         else
           # store all uploads together

lib/gollum/public/gollum/javascript/editor/gollum.editor.js

@@ -299,6 +299,7 @@
               var ext = file.name.split('.').pop().toLowerCase()
               var image_ext = ['jpg', 'jpeg', 'tif', 'tiff', 'png', 'gif', 'svg', 'bmp']
               // Link directly to image files
+              uploadDest = uploadDest.replace(/%20/g, ' ');
               if ((image_ext.indexOf(ext) > -1)) {
                 var text = '[[/' + uploadDest + '/' + file.name + ']]';
               } else {