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MenuController.php
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MenuController.php
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<?php
/**
* Copyright (C) 2015 Deciso B.V.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
namespace OPNsense\Core\Api;
use OPNsense\Base\ApiControllerBase;
use OPNsense\Base\Menu;
use OPNsense\Core\ACL;
/**
* Class MenuController
* @package OPNsense\Core
*/
class MenuController extends ApiControllerBase
{
/**
* traverse menu items and mark user visibility (isVisible true/false)
* @param array $menuItems menuitems from menu->getItems()
* @param ACL $acl acl object reference
*/
private function applyACL(&$menuItems, &$acl)
{
foreach ($menuItems as &$menuItem) {
$menuItem->isVisible = false;
if (count($menuItem->Children) > 0) {
$this->applyACL($menuItem->Children, $acl);
foreach ($menuItem->Children as $subMenuItem) {
if ($subMenuItem->isVisible) {
$menuItem->isVisible = true;
break;
}
}
} else {
if (!$acl->isPageAccessible($this->getUserName(), $menuItem->Url)) {
$menuItem->isVisible = false;
} else {
$menuItem->isVisible = true;
}
}
}
}
/**
* search visible name of menu nodes
* @param array $menuItems
* @param string $query query string
*/
private function search(&$menuItems, $query)
{
foreach ($menuItems as &$menuItem) {
if (stripos($menuItem->VisibleName, $query) !== false) {
// match on node
continue;
} elseif (count($menuItem->Children) > 0) {
$this->search($menuItem->Children, $query);
$menuItem->isVisible = false;
foreach ($menuItem->Children as $subMenuItem) {
if ($subMenuItem->isVisible) {
$menuItem->isVisible = true;
break;
}
}
} elseif ($menuItem->isVisible && stripos($menuItem->VisibleName, $query) === false) {
$menuItem->isVisible = false;
}
}
}
/**
* request user context sensitive menu (items)
* @param string $selected_uri selected uri
* @return array menu items
*/
private function getMenu($selected_uri)
{
// construct menu and acl and merge collected info
$menu = new Menu\MenuSystem();
$acl = new ACL();
// fetch menu items and apply acl
$menu_items = $menu->getItems($selected_uri);
$this->applyACL($menu_items, $acl);
return $menu_items;
}
/**
* flatten menu structure, only returning visible entries
* @param $menu_items array containing stdClass objects
* @return array tree containing simple types
*/
private function menuToArray($menu_items)
{
$result = array();
foreach ($menu_items as $menu_item) {
if ($menu_item->isVisible) {
$new_item = (array) $menu_item;
$new_item['Children'] = array();
if (count($menu_item->Children) > 0) {
$new_item['Children'] = $this->menuToArray($menu_item->Children);
}
$result[] = $new_item;
}
}
return $result;
}
/**
* extract visitable leaves from collection of menu items
* @param array $menu_items
* @param array $items result
*/
private function extractMenuLeaves($menu_items, &$items)
{
foreach ($menu_items as $menu_item) {
if (!isset($menu_item->breadcrumb)) {
$menu_item->breadcrumb = gettext($menu_item->VisibleName);
$menu_item->depth = 1;
}
if ($menu_item->isVisible) {
if (count($menu_item->Children) > 0) {
foreach ($menu_item->Children as &$submenu) {
$submenu->breadcrumb = $menu_item->breadcrumb . ' / ' . gettext($submenu->VisibleName);
$submenu->depth = $menu_item->depth + 1;
}
$this->extractMenuLeaves($menu_item->Children, $items);
}
// only return visible items
if ($menu_item->Visibility != 'hidden') {
unset($menu_item->Children);
$items[] = $menu_item;
}
}
}
}
/**
* return menu items for this user
* @return array
*/
public function treeAction()
{
$selected_uri = $this->request->get("uri", null, null);
$menu_items = $this->getMenu($selected_uri);
return $this->menuToArray($menu_items);
}
/**
* search menu items
* @return array
*/
public function searchAction()
{
$menu_items = $this->getMenu(null);
$query = $this->request->get("q", null, null);
if ($query != null) {
// only search when a query is provided, otherwise return all entries
$this->search($menu_items, $query);
}
$items = array();
$this->extractMenuLeaves($menu_items, $items);
return $items;
}
}