nextcloud/lib/private/appframework/app.php

145 lines
4.8 KiB
PHP

<?php
/**
* ownCloud - App Framework
*
* @author Bernhard Posselt
* @copyright 2012 Bernhard Posselt <dev@bernhard-posselt.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\AppFramework;
use \OC_App;
use \OC\AppFramework\DependencyInjection\DIContainer;
use \OCP\AppFramework\QueryException;
/**
* Entry point for every request in your app. You can consider this as your
* public static void main() method
*
* Handles all the dependency injection, controllers and output flow
*/
class App {
/**
* Turns an app id into a namespace by either reading the appinfo.xml's
* namespace tag or uppercasing the appid's first letter
* @param string $appId the app id
* @param string $topNamespace the namespace which should be prepended to
* the transformed app id, defaults to OCA\
* @return string the starting namespace for the app
*/
public static function buildAppNamespace($appId, $topNamespace='OCA\\') {
// first try to parse the app's appinfo/info.xml <namespace> tag
$filePath = OC_App::getAppPath($appId) . '/appinfo/info.xml';
$loadEntities = libxml_disable_entity_loader(false);
$xml = @simplexml_load_file($filePath);
libxml_disable_entity_loader($loadEntities);
if ($xml) {
$result = $xml->xpath('/info/namespace');
if ($result && count($result) > 0) {
// take first namespace result
return $topNamespace . trim((string) $result[0]);
}
}
// if the tag is not found, fall back to uppercasing the first letter
return $topNamespace . ucfirst($appId);
}
/**
* Shortcut for calling a controller method and printing the result
* @param string $controllerName the name of the controller under which it is
* stored in the DI container
* @param string $methodName the method that you want to call
* @param DIContainer $container an instance of a pimple container.
* @param array $urlParams list of URL parameters (optional)
*/
public static function main($controllerName, $methodName, DIContainer $container, array $urlParams = null) {
if (!is_null($urlParams)) {
$container['urlParams'] = $urlParams;
}
$appName = $container['AppName'];
// first try $controllerName then go for \OCA\AppName\Controller\$controllerName
try {
$controller = $container->query($controllerName);
} catch(QueryException $e) {
$appNameSpace = self::buildAppNamespace($appName);
$controllerName = $appNameSpace . '\\Controller\\' . $controllerName;
$controller = $container->query($controllerName);
}
// initialize the dispatcher and run all the middleware before the controller
$dispatcher = $container['Dispatcher'];
list($httpHeaders, $responseHeaders, $responseCookies, $output) =
$dispatcher->dispatch($controller, $methodName);
if(!is_null($httpHeaders)) {
header($httpHeaders);
}
foreach($responseHeaders as $name => $value) {
header($name . ': ' . $value);
}
foreach($responseCookies as $name => $value) {
$expireDate = null;
if($value['expireDate'] instanceof \DateTime) {
$expireDate = $value['expireDate']->getTimestamp();
}
setcookie($name, $value['value'], $expireDate, $container->getServer()->getWebRoot(), null, $container->getServer()->getConfig()->getSystemValue('forcessl', false), true);
}
if(!is_null($output)) {
header('Content-Length: ' . strlen($output));
print($output);
}
}
/**
* Shortcut for calling a controller method and printing the result.
* Similar to App:main except that no headers will be sent.
* This should be used for example when registering sections via
* \OC\AppFramework\Core\API::registerAdmin()
*
* @param string $controllerName the name of the controller under which it is
* stored in the DI container
* @param string $methodName the method that you want to call
* @param array $urlParams an array with variables extracted from the routes
* @param DIContainer $container an instance of a pimple container.
*/
public static function part($controllerName, $methodName, array $urlParams,
DIContainer $container){
$container['urlParams'] = $urlParams;
$controller = $container[$controllerName];
$dispatcher = $container['Dispatcher'];
list(, , $output) = $dispatcher->dispatch($controller, $methodName);
return $output;
}
}