Drupal: remove link to forum container
For anonymous users that don't have access to forums, I don't see why they should be able to access the forum container (and the message "no forums defined"). In order to send an anonymous user to a 403 page on /forum I first tried what I thought was the easiest, Drupal's drupal_access_denied(). This still rendered the action links, so I hid those first.
<?php
function MYTHEME_preprocess_page(&$vars) {
if (user_is_anonymous() && arg(0) == 'forum') {
unset($vars['action_links']);
drupal_access_denied();
}
}
?>However, this led to a slew of errors in the logs. Using drupal_goto() worked better:
<?php
function MYTHEME_preprocess_page(&$vars) {
/* --- Deny access to /forum for anonymous users --- */
if (user_is_anonymous() && arg(0) == 'forum') {
unset($vars['page']->sidebar_first);
watchdog('access denied', '/forum');
drupal_goto('error/403', array('query'=>drupal_get_destination()));
}
}
?>Since it didn't log an error, I added that. Since the page is rendered as a regular node, I removed the side bar region. But that still left the link to /forum visible.
How is that for simple.
Then I found the best answer on Drupal, a simple hook_menu_alter modification (that after a slight modification I added to a small module with other stuff.) It removes the link and denies access:
<?php
function MYMODULE_menu_alter(&$items) {
// Check access for forum menu item.
$items['forum']['access callback'] = 'user_is_logged_in';
}
?>'Access callback' determines whether a user will have access to the forum container.
See user_is_logged_in().
Comments
While we are at it (also in the same Drupal comments) in order to prevent access to
/nodeI used<?php
function MYMODULE_menu_alter(&$items) {
unset($items['node']);
}
?>
which will result in a 404. Using the access callback you can trigger a 403:
<?php
function MYMODULE_menu_alter(&$items) {
$items['node']['access callback'] = FALSE;
}
?>
Personally, I prefer serving a 404 not found page.
To get back on topic, using
<?php unset('forum') ?>will result in a "no forums defined" message. Exactly how this all started.Using drupal_goto() worked better:(Nice way of using this code in excellent place to solve problem)
<?php
function MYTHEME_preprocess_page(&$vars) {
/* --- Deny access to /forum for anonymous users --- */
if (user_is_anonymous() && arg(0) == 'forum') {
unset($vars['page']->sidebar_first);
watchdog('access denied', '/forum');
drupal_goto('error/403', array('query'=>drupal_get_destination()));
}
}
?>
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