Ticket #22569: 22569.3.diff

wp-admin/includes/bookmark.php

@@ -266 +266 @@
 
         return wp_insert_link( $linkdata );
 }
+
+/**
+ * @since 3.5.0
+ * @access private
+ */
+function wp_link_manager_disabled_message() {
+        global $pagenow;
+        if ( 'link-manager.php' != $pagenow && 'link-add.php' != $pagenow && 'link.php' != $pagenow )
+                return;
+
+        add_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
+        $really_can_manage_links = current_user_can( 'manage_links' );
+        remove_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
+
+        if ( $really_can_manage_links && current_user_can( 'install_plugins' ) ) {
+                $link = network_admin_url( 'plugin-install.php?tab=search&s=Link+Manager' );
+                wp_die( sprintf( __( 'If you are looking to use the link manager, please install the <a href="%s">Link Manager</a> plugin.' ), $link ) );
+        }
+
+        wp_die( __( 'You do not have sufficient permissions to edit the links for this site.' ) );
+}
+add_action( 'admin_page_access_denied', 'wp_link_manager_disabled_message' );