163 lines
5.1 KiB
PHP
163 lines
5.1 KiB
PHP
<?php
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/**
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* PHP Server Monitor
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* Monitor your servers and websites.
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*
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* This file is part of PHP Server Monitor.
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* PHP Server Monitor is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PHP Server Monitor is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with PHP Server Monitor. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package phpservermon
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* @author Pepijn Over <pep@peplab.net>
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* @copyright Copyright (c) 2008-2015 Pepijn Over <pep@peplab.net>
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* @license http://www.gnu.org/licenses/gpl.txt GNU GPL v3
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* @version Release: @package_version@
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* @link http://www.phpservermonitor.org/
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* @since phpservermon 3.0
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**/
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namespace psm;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Component\Config\FileLocator;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
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/**
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* The router class opens the controller and initializes the module.
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*
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* It uses a so-called $mod param to determine which controller to load.
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* The $mod of run() has 2 components, separated by an underscore. The first part determines
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* the module to load, the second on the controller. It uses the keys defined in
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* the module config. If the controller part is absent, it will always try to load
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* the controller with the same name as the module.
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*/
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class Router {
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/**
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* Service container
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* @var \Symfony\Component\DependencyInjection\ContainerBuilder $container
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*/
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protected $container;
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public function __construct() {
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$this->container = $this->buildServiceContainer();
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}
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/**
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* Run a module.
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*
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* The $mod param is in the format $module_$controller.
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* If the "_$controller" part is omitted, it will attempt to load
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* the controller with the same name as the module.
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*
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* @param string $mod
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* @throws \InvalidArgumentException
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* @throws \LogicException
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*/
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public function run($mod) {
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$user = $this->container->get('user');
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if(strpos($mod, '_') !== false) {
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list($mod, $controller) = explode('_', $mod);
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} else {
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$controller = $mod;
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}
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$controller = $this->getController($mod, $controller);
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// get min required level for this controller and make sure the user matches
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$min_lvl = $controller->getMinUserLevelRequired();
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$action = null;
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if($min_lvl < PSM_USER_ANONYMOUS) {
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// if user is not logged in, load login module
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if(!$user->isUserLoggedIn()) {
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$controller = $this->getController('user', 'login');
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} elseif($user->getUserLevel() > $min_lvl) {
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$controller = $this->getController('error');
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$action = '401';
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}
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}
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$response = $controller->initialize($action);
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if(!($response instanceof Response)) {
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throw new \LogicException('Controller did not return a Response object.');
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}
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$response->send();
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}
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/**
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* Get an instance of the requested controller.
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* @param string $module_id
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* @param string $controller_id if NULL, default controller will be used
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* @return \psm\Module\ControllerInterface
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* @throws \InvalidArgumentException
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*/
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public function getController($module_id, $controller_id = null) {
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if($controller_id === null) {
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// by default, we use the controller with the same id as the module.
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$controller_id = $module_id;
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}
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$module = $this->getModule($module_id);
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$controllers = $module->getControllers();
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if(!isset($controllers[$controller_id]) || !class_exists($controllers[$controller_id])) {
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throw new \InvalidArgumentException('Controller "' . $controller_id . '" is not registered or does not exist.');
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}
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$controller = new $controllers[$controller_id](
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$this->container->get('db'),
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$this->container->get('twig')
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);
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if(!$controller instanceof \psm\Module\ControllerInterface) {
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throw new \Exception('Controller does not implement ControllerInterface');
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}
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$controller->setContainer($this->container);
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return $controller;
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}
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/**
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* Get service from container
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* @param string $id
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* @return mixed FALSE on failure, service otherwise
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* @throws \InvalidArgumentException
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*/
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public function getService($id) {
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return $this->container->get($id);
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}
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/**
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* Get a module
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* @param string $module_id
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* @return \psm\Module\ModuleInterface
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* @throws \InvalidArgumentException
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*/
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protected function getModule($module_id) {
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return $this->container->get('module.' . $module_id);
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}
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/**
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* Build a new service container
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* @return \Symfony\Component\DependencyInjection\ContainerBuilder
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* @throws \InvalidArgumentException
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*/
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protected function buildServiceContainer() {
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$builder = new ContainerBuilder();
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$loader = new XmlFileLoader($builder, new FileLocator(PSM_PATH_CONFIG));
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$loader->load('services.xml');
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return $builder;
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}
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} |