Redirect anonymous users to custom URL

Question

I would like to implement a custom redirect for anonymous users that try to access a form built with FAPI. user_is_logged_in is used in access callback to provide true or false.

However, I couldn't find documentation on how to hook into access callback functionality e.g. what happens when it returns FALSE? Now it automatically redirects to default user login page but I need change this.

Answer 1

Try the Rules module and generate a new rule for the form page being viewed by the anonymous users, to redirect to the page as you wish.

Answer 2

You can make the page available for all users, also anonymous, and in the page callback redirect the anonymous user to your custom page.

Answer 3

I think you can also try hook_init. Try this one, may be it'll work.

function mymodule_init() {
  global $user;
  // Getting path
  $path = url($_GET['q'], array('absolute' => true));
  // Redirect from the path
  if ($path == "http://localhost/sitename/node/1") {
    // Check anonymous user
    if ($user->uid == 0) {
      // Redirect to path
      drupal_goto("http://localhost/sitename/node/2");
    }
  }
}

Answer 4

For now I just used user_is_logged_in() in page callback to get desired functionality.

It shows a login button on page if function returns false and by clicking it user is redirected to 3rd party site and back. Otherwise it shows content which is in this case a custom form.