Authorization
Lesson 1 of 1
  1. 1
    So far we’ve seen how to build an authentication system that lets users sign up, log in, and log out. In addition to authentication, many web apps have a way to give specific users permission to a…
  2. 2
    Using the request/response cycle as a guide, here’s how authorization fits in: 1. The browser makes a request for a URL 2. The request hits the Rails router 3. Before the router sends the request…
  3. 3
    Great! In the users table, we now have a column named role that we can use to assign different roles to users, such as “editor” or “admin”.
  4. 4
    We created a method named editor? that checks whether a user’s role is “editor”, and returns true or false. The method uses self to refer to the current instance of a User object. Now that we can …
  5. 5
    Great work! The role-based authorization system is working. Users with an editor role have permissions to see the edit page, while users without that role do not.
  6. 6
    Great job! We now have a way to determine whether a user has an admin role on the site. Let’s add a few methods to the Application controller to make sure that users with the admin role can access …
  7. 7
    Congratulations! You built a authorization system from scratch. 1. The role column in the User model specifies a users’ role 2. A method like def admin? and def editor? is created for business l…

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