before_filter :require_valid_role
before_filter :not_in_role, :only => [:grant]
before_filter :in_role, :only => [:revoke]
- around_filter :setup_nonce
def grant
@this_user.roles.create({
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
- end
- end
-
##
# require that the given role is valid. the role is a URL
# parameter, so should always be present.