nextcloud/lib/private/ServerContainer.php

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<?php
/**
2016-01-12 17:02:16 +03:00
* @copyright Copyright (c) 2016, ownCloud, Inc.
2016-07-21 18:07:57 +03:00
*
* @author Joas Schilling <coding@schilljs.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC;
use OC\AppFramework\App;
use OC\AppFramework\DependencyInjection\DIContainer;
use OC\AppFramework\Utility\SimpleContainer;
use OCP\AppFramework\QueryException;
/**
* Class ServerContainer
*
* @package OC
*/
class ServerContainer extends SimpleContainer {
/** @var DIContainer[] */
protected $appContainers;
/** @var string[] */
protected $hasNoAppContainer;
/** @var string[] */
protected $namespaces;
/**
* ServerContainer constructor.
*/
public function __construct() {
parent::__construct();
$this->appContainers = [];
$this->namespaces = [];
$this->hasNoAppContainer = [];
}
/**
* @param string $appName
* @param string $appNamespace
*/
public function registerNamespace($appName, $appNamespace) {
// Cut of OCA\ and lowercase
$appNamespace = strtolower(substr($appNamespace, strrpos($appNamespace, '\\') + 1));
$this->namespaces[$appNamespace] = $appName;
}
/**
* @param string $appName
* @param DIContainer $container
*/
public function registerAppContainer($appName, DIContainer $container) {
$this->appContainers[strtolower(App::buildAppNamespace($appName, ''))] = $container;
}
/**
* @param string $appName
* @return DIContainer
* @throws QueryException
*/
public function getRegisteredAppContainer(string $appName) {
if (isset($this->appContainers[strtolower(App::buildAppNamespace($appName, ''))])) {
return $this->appContainers[strtolower(App::buildAppNamespace($appName, ''))];
}
throw new QueryException();
}
/**
* @param string $namespace
* @param string $sensitiveNamespace
* @return DIContainer
* @throws QueryException
*/
protected function getAppContainer($namespace, $sensitiveNamespace) {
if (isset($this->appContainers[$namespace])) {
return $this->appContainers[$namespace];
}
if (isset($this->namespaces[$namespace])) {
if (!isset($this->hasNoAppContainer[$namespace])) {
$applicationClassName = 'OCA\\' . $sensitiveNamespace . '\\AppInfo\\Application';
if (class_exists($applicationClassName)) {
new $applicationClassName();
if (isset($this->appContainers[$namespace])) {
return $this->appContainers[$namespace];
}
}
$this->hasNoAppContainer[$namespace] = true;
}
return new DIContainer($this->namespaces[$namespace]);
}
throw new QueryException();
}
/**
* @param string $name name of the service to query for
* @return mixed registered service for the given $name
* @throws QueryException if the query could not be resolved
*/
public function query($name) {
$name = $this->sanitizeName($name);
if (isset($this[$name])) {
return $this[$name];
}
// In case the service starts with OCA\ we try to find the service in
// the apps container first.
if (strpos($name, 'OCA\\') === 0 && substr_count($name, '\\') >= 2) {
$segments = explode('\\', $name);
try {
$appContainer = $this->getAppContainer(strtolower($segments[1]), $segments[1]);
return $appContainer->queryNoFallback($name);
} catch (QueryException $e) {
// Didn't find the service or the respective app container,
// ignore it and fall back to the core container.
}
} else if (strpos($name, 'OC\\Settings\\') === 0 && substr_count($name, '\\') >= 3) {
$segments = explode('\\', $name);
try {
$appContainer = $this->getAppContainer(strtolower($segments[1]), $segments[1]);
return $appContainer->queryNoFallback($name);
} catch (QueryException $e) {
// Didn't find the service or the respective app container,
// ignore it and fall back to the core container.
}
}
return parent::query($name);
}
}