- @this_user = User.find_by_display_name(params[:display_name])
- rescue ActiveRecord::RecordNotFound
- redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name] unless @this_user
- end
-
- ##
- # the random nonce here which isn't predictable, making an CSRF
- # procedure much, much more difficult. setup the nonce. if the given
- # nonce matches the session nonce then yield into the actual method.
- # otherwise, just sets up the nonce for the form.
- def setup_nonce
- if params[:nonce] and params[:nonce] == session[:nonce]
- @nonce = params[:nonce]
- yield
- else
- @nonce = OAuth::Helper.generate_nonce
- session[:nonce] = @nonce
- render
+ unless @this_user = User.find_by_display_name(params[:display_name])
+ render_unknown_user params[:display_name]