multisite - Non-super-admin users cannot access CPT even though I have explicitly added the capabilities to the user role

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I've defined a CPT and any non-super admin user on any subsite cannot access it. I cannot figure out what is wrong with my code.

CPT Definition:

    // Opportunities 
    register_post_type(
        'opportunities', [
            'label' => '',
            'labels' => [
                'name'                      => 'Opportunities',
                'singular_name'             => 'Opportunities',
                'add_new_item'              => 'Add new Opportunity',
                'edit_item'                 => 'Edit Opportunity',
                'new_item'                  => 'New Opportunity',
                'view_item'                 => 'View Opportunity',
                'view_items'                => 'View Opportunities',
                'search_items'              => 'Search Opportunities',
                'not_found'                 => 'No Opportunities found',
                'all_items'                 => 'All Opportunities',
                'item_published'            => 'Opportunity published',
                'item_published_privately'  => 'Opportunity published privately',
                'item_reverted_to_draft'    => 'Opportunity reverted to draft',
                'item_scheduled'            => 'Opportunity scheduled',
                'item_updated'              => 'Opportunity updated',
                'featured_image'            => 'Opportunity Image',
                'set_featured_image'        => 'Add Opportunity Image',
                'remove_featured_image'     => 'Remove Opportunity Image',
            ],
            'menu_position'     => 11,
            'public'            => true,
            'show_in_menu'      => true,
            'show_in_rest'      => true,
            'has_archive'       => true,
            'menu_icon'         => 'dashicons-groups',
            'supports'          => array('title', 'thumbnail', 'editor'),
            'capability_type'   => 'opportunities',
            'map_meta_cap'      => true,
            'capabilities' => array(
                'edit_post'          => 'edit_opportunity',
                'read_post'          => 'read_opportunity',
                'delete_post'        => 'delete_opportunity',
                'edit_posts'         => 'edit_opportunities',
                'edit_others_posts'  => 'edit_others_opportunities',
                'publish_posts'      => 'publish_opportunities',
                'read_private_posts' => 'read_private_opportunities',
                'delete_posts'       => 'delete_opportunities',
                'delete_private_posts' => 'delete_private_opportunities',
                'delete_published_posts' => 'delete_published_opportunities',
                'delete_others_posts' => 'delete_others_opportunities',
                'edit_private_posts' => 'edit_private_opportunities',
                'edit_published_posts' => 'edit_published_opportunities',
            ),
        ]
    );

Function to add the capabilities to the non-super-admin role:

function add_opportunities_capability_to_admins() {
    $sites = get_sites();

    foreach ($sites as $site) {
        switch_to_blog($site->blog_id);

        $admins = get_users(array('role' => 'administrator', 'exclude' => array(get_current_user_id())));

        foreach ($admins as $admin) {
            if (!is_super_admin($admin->ID)) {
                $admin->add_cap('edit_opportunity');
                $admin->add_cap('read_opportunity');
                $admin->add_cap('delete_opportunity');
                $admin->add_cap('edit_opportunities');
                $admin->add_cap('read_opportunities');
                $admin->add_cap('delete_opportunities');
                $admin->add_cap('edit_others_opportunities');
                $admin->add_cap('publish_opportunities');
                $admin->add_cap('read_private_opportunities');
                $admin->add_cap('delete_private_opportunities');
                $admin->add_cap('delete_published_opportunities');
                $admin->add_cap('delete_others_opportunities');
                $admin->add_cap('edit_private_opportunities');
                $admin->add_cap('edit_published_opportunities');
            }
        }

        restore_current_blog();
    }
}

add_action('after_switch_theme', 'add_opportunities_capability_to_admins');

I've defined a CPT and any non-super admin user on any subsite cannot access it. I cannot figure out what is wrong with my code.

CPT Definition:

    // Opportunities 
    register_post_type(
        'opportunities', [
            'label' => '',
            'labels' => [
                'name'                      => 'Opportunities',
                'singular_name'             => 'Opportunities',
                'add_new_item'              => 'Add new Opportunity',
                'edit_item'                 => 'Edit Opportunity',
                'new_item'                  => 'New Opportunity',
                'view_item'                 => 'View Opportunity',
                'view_items'                => 'View Opportunities',
                'search_items'              => 'Search Opportunities',
                'not_found'                 => 'No Opportunities found',
                'all_items'                 => 'All Opportunities',
                'item_published'            => 'Opportunity published',
                'item_published_privately'  => 'Opportunity published privately',
                'item_reverted_to_draft'    => 'Opportunity reverted to draft',
                'item_scheduled'            => 'Opportunity scheduled',
                'item_updated'              => 'Opportunity updated',
                'featured_image'            => 'Opportunity Image',
                'set_featured_image'        => 'Add Opportunity Image',
                'remove_featured_image'     => 'Remove Opportunity Image',
            ],
            'menu_position'     => 11,
            'public'            => true,
            'show_in_menu'      => true,
            'show_in_rest'      => true,
            'has_archive'       => true,
            'menu_icon'         => 'dashicons-groups',
            'supports'          => array('title', 'thumbnail', 'editor'),
            'capability_type'   => 'opportunities',
            'map_meta_cap'      => true,
            'capabilities' => array(
                'edit_post'          => 'edit_opportunity',
                'read_post'          => 'read_opportunity',
                'delete_post'        => 'delete_opportunity',
                'edit_posts'         => 'edit_opportunities',
                'edit_others_posts'  => 'edit_others_opportunities',
                'publish_posts'      => 'publish_opportunities',
                'read_private_posts' => 'read_private_opportunities',
                'delete_posts'       => 'delete_opportunities',
                'delete_private_posts' => 'delete_private_opportunities',
                'delete_published_posts' => 'delete_published_opportunities',
                'delete_others_posts' => 'delete_others_opportunities',
                'edit_private_posts' => 'edit_private_opportunities',
                'edit_published_posts' => 'edit_published_opportunities',
            ),
        ]
    );

Function to add the capabilities to the non-super-admin role:

function add_opportunities_capability_to_admins() {
    $sites = get_sites();

    foreach ($sites as $site) {
        switch_to_blog($site->blog_id);

        $admins = get_users(array('role' => 'administrator', 'exclude' => array(get_current_user_id())));

        foreach ($admins as $admin) {
            if (!is_super_admin($admin->ID)) {
                $admin->add_cap('edit_opportunity');
                $admin->add_cap('read_opportunity');
                $admin->add_cap('delete_opportunity');
                $admin->add_cap('edit_opportunities');
                $admin->add_cap('read_opportunities');
                $admin->add_cap('delete_opportunities');
                $admin->add_cap('edit_others_opportunities');
                $admin->add_cap('publish_opportunities');
                $admin->add_cap('read_private_opportunities');
                $admin->add_cap('delete_private_opportunities');
                $admin->add_cap('delete_published_opportunities');
                $admin->add_cap('delete_others_opportunities');
                $admin->add_cap('edit_private_opportunities');
                $admin->add_cap('edit_published_opportunities');
            }
        }

        restore_current_blog();
    }
}

add_action('after_switch_theme', 'add_opportunities_capability_to_admins');

• multisite
• user-roles
• capabilities

Share Improve this question asked Dec 21, 2023 at 14:07 grzybowski1911grzybowski1911 8988 bronze badges

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2 Answers 2

Sorted by: Reset to default 1

Here's how I'd handle it (mostly you're right, and the tweak in your answer to use init gets you closer, but — as you've discovered — doing a bunch of switch_to_blog() / restore_current_blog() calls on every single page load is costly).

function add_opportunities_capability_to_admins() {

    // Set up the needed capabilities.
    $capabilities = array(
        'edit_opportunity',
        'read_opportunity',
        'delete_opportunity',
        'edit_opportunities',
        'read_opportunities',
        'delete_opportunities',
        'edit_others_opportunities',
        'publish_opportunities',
        'read_private_opportunities',
        'delete_private_opportunities',
        'delete_published_opportunities',
        'delete_others_opportunities',
        'edit_private_opportunities',
        'edit_published_opportunities',
    );
    $sites = get_sites();

    // Gets the current state of affairs.
    $current_permission_state = md5( json_encode( array( $capabilities, $sites ) ) );
    $last_saved_permission_state = get_site_option( 'my_permission_state', '' );

    // If things have changed, we re-run the permission updates.
    if ( $current_permission_state !== $last_saved_permission_state ) {

        foreach ($sites as $site) {
            switch_to_blog($site->blog_id);

            $admins = get_users(array('role' => 'administrator', 'exclude' => array(get_current_user_id())));

            foreach ($admins as $admin) {
                if (!is_super_admin($admin->ID)) {
                    foreach ( $capabilities as $capability ) {
                        $admin->add_cap( $capability );
                    }
                }
            }

            restore_current_blog();
        }

        // Save the current state so we don't have to run this again for a while.
        update_site_option( 'my_permission_state', $current_permission_state );
    }
}

add_action('init', 'add_opportunities_capability_to_admins');

Note: This code is untested. Try it on a test site before putting it into production.

References

• get_site_option()
• update_site_option()

Changing the action to init instead of after_switch_theme solved the problem.

That significantly slowed the backend of the site down that said it only needs to run once then everything is saved in the DB and it doesn't need to run again.

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