User registeration and submit information

Hello All,

I have create web base form to submit information, but I do not want anyone submit I would like user first register and login via his email & password then he can submit the information via the form and update/ delete/new.

Could you please help me?

Yours, Waleed.

http://svn.techno-weenie.net/projects/plugins/restful_authentication/

and/or

http://wiki.rubyonrails.org/rails/pages/Authentication

-faisal

Thanks a lot.