CSRF protection for direct url access

Hi Guys,

I am new in codeigniter. Any idea how prevent direct url access.

i can make crud opration project. for "View" or "Delete" Operation i want to prevent with CSRF token.

Code:

http://localhost/user/view/5

i want to prevent this. and same a delete.

CSRF enable in config file and CSRF token work with add, edit form

i want only direct url access.

Thank you.