Nice random string calculation and cleanup

Author: dbi

app.rb

@@ -3,26 +3,20 @@
 require 'fileutils'
 require 'json'
 
+# upload with:
+# curl -v -F "data=@/path/to/filename"  http://localhost:9292/upload
+
 get '/' do
   content_type :json
   { :files => Dir.glob('files/**/*.*') }.to_json
 end
 
-# upload with:
-# curl -v -F "data=@/path/to/filename"  http://localhost:4567/user/filename
-
 post '/upload' do
   userdir = File.join("files")
   FileUtils.mkdir_p(userdir)
-  filename = File.join(userdir, "#{(0...50).map{ ('a'..'z').to_a[rand(8)] }.join}-#{params[:data][:filename]}")
+  filename = File.join(userdir, "#{rand(32**8).to_s(32)}-#{params[:data][:filename]}")
 
-  datafile = params[:data]
-
   File.open(filename, 'wb') do |file|
-    file.write(datafile[:tempfile].read)
+    file.write(params[:data][:tempfile].read)
   end
 end
-
-# max 20
-# äldst föst
-# tidsstämpel