qq.FileUploader Ruby

upload.rb

directory = './tmp/'
# ajax upload
if params[:qqfile].class == String
	name = params[:qqfile]
	string_io = request.body
	data_bytes = string_io.read
	path = File.join(directory, name)
	File.open(path, "w") do |f|
		f.write(data_bytes)
	end
# regular upload
else
	name = params[:qqfile][:filename]
	path = File.join(directory, name)
	File.open(path, "wb") do |f|
		f.write(params[:qqfile][:tempfile].read)
	end
end