sinatra download file demo

gistfile1.rb

# list
get '/' do
  list = Dir.glob("./files/*.*").map{|f| f.split('/').last}
  # render list here
end

# upload
post '/' do
  tempfile = params['file'][:tempfile]
  filename = params['file'][:filename]
  File.copy(tempfile.path, "./files/#{filename}")
  redirect '/'
end


# download
get '/download/:filename' do |filename|
  send_file "./files/#{filename}", :filename => filename, :type => 'Application/octet-stream'
end

#delete
get '/remove/:filename' do |filename|
  File.delete("./files/#{filename}")
  redirect '/'
end


# 2 download
get '/some/:file' do |file|
  file = File.join('/some/path', file)
  send_file(file, :disposition => 'attachment', :filename => File.basename(file))
end