230 lines
7.6 KiB
PHP
230 lines
7.6 KiB
PHP
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<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Bernhard Posselt <dev@bernhard-posselt.com>
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\AppFramework;
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use OC\AppFramework\DependencyInjection\DIContainer;
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use OC\AppFramework\Http\Dispatcher;
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use OC\HintException;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\ICallbackResponse;
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use OCP\AppFramework\Http\IOutput;
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use OCP\AppFramework\QueryException;
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use OCP\IRequest;
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/**
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* Entry point for every request in your app. You can consider this as your
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* public static void main() method
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*
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* Handles all the dependency injection, controllers and output flow
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*/
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class App {
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/** @var string[] */
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private static $nameSpaceCache = [];
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/**
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* Turns an app id into a namespace by either reading the appinfo.xml's
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* namespace tag or uppercasing the appid's first letter
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* @param string $appId the app id
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* @param string $topNamespace the namespace which should be prepended to
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* the transformed app id, defaults to OCA\
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* @return string the starting namespace for the app
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*/
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public static function buildAppNamespace(string $appId, string $topNamespace='OCA\\'): string {
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// Hit the cache!
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if (isset(self::$nameSpaceCache[$appId])) {
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return $topNamespace . self::$nameSpaceCache[$appId];
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}
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$appInfo = \OC_App::getAppInfo($appId);
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if (isset($appInfo['namespace'])) {
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self::$nameSpaceCache[$appId] = trim($appInfo['namespace']);
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} else {
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if ($appId !== 'spreed') {
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// if the tag is not found, fall back to uppercasing the first letter
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self::$nameSpaceCache[$appId] = ucfirst($appId);
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} else {
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// For the Talk app (appid spreed) the above fallback doesn't work.
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// This leads to a problem when trying to install it freshly,
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// because the apps namespace is already registered before the
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// app is downloaded from the appstore, because of the hackish
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// global route index.php/call/{token} which is registered via
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// the core/routes.php so it does not have the app namespace.
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// @ref https://github.com/nextcloud/server/pull/19433
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self::$nameSpaceCache[$appId] = 'Talk';
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}
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}
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return $topNamespace . self::$nameSpaceCache[$appId];
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}
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public static function getAppIdForClass(string $className, string $topNamespace='OCA\\'): ?string {
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if (strpos($className, $topNamespace) !== 0) {
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return null;
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}
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foreach (self::$nameSpaceCache as $appId => $namespace) {
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if (strpos($className, $topNamespace . $namespace . '\\') === 0) {
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return $appId;
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}
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}
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return null;
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}
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/**
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* Shortcut for calling a controller method and printing the result
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* @param string $controllerName the name of the controller under which it is
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* stored in the DI container
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* @param string $methodName the method that you want to call
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* @param DIContainer $container an instance of a pimple container.
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* @param array $urlParams list of URL parameters (optional)
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* @throws HintException
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*/
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public static function main(string $controllerName, string $methodName, DIContainer $container, array $urlParams = null) {
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if (!is_null($urlParams)) {
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$container->query(IRequest::class)->setUrlParameters($urlParams);
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} elseif (isset($container['urlParams']) && !is_null($container['urlParams'])) {
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$container->query(IRequest::class)->setUrlParameters($container['urlParams']);
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}
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$appName = $container['AppName'];
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// first try $controllerName then go for \OCA\AppName\Controller\$controllerName
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try {
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$controller = $container->query($controllerName);
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} catch (QueryException $e) {
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if (strpos($controllerName, '\\Controller\\') !== false) {
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// This is from a global registered app route that is not enabled.
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[/*OC(A)*/, $app, /* Controller/Name*/] = explode('\\', $controllerName, 3);
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throw new HintException('App ' . strtolower($app) . ' is not enabled');
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}
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if ($appName === 'core') {
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$appNameSpace = 'OC\\Core';
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} else {
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$appNameSpace = self::buildAppNamespace($appName);
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}
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$controllerName = $appNameSpace . '\\Controller\\' . $controllerName;
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$controller = $container->query($controllerName);
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}
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// initialize the dispatcher and run all the middleware before the controller
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/** @var Dispatcher $dispatcher */
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$dispatcher = $container['Dispatcher'];
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list(
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$httpHeaders,
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$responseHeaders,
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$responseCookies,
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$output,
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$response
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) = $dispatcher->dispatch($controller, $methodName);
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$io = $container[IOutput::class];
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if (!is_null($httpHeaders)) {
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$io->setHeader($httpHeaders);
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}
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foreach ($responseHeaders as $name => $value) {
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$io->setHeader($name . ': ' . $value);
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}
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foreach ($responseCookies as $name => $value) {
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$expireDate = null;
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if ($value['expireDate'] instanceof \DateTime) {
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$expireDate = $value['expireDate']->getTimestamp();
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}
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$sameSite = $value['sameSite'] ?? 'Lax';
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$io->setCookie(
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$name,
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$value['value'],
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$expireDate,
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$container->getServer()->getWebRoot(),
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null,
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$container->getServer()->getRequest()->getServerProtocol() === 'https',
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true,
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$sameSite
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);
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}
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/*
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* Status 204 does not have a body and no Content Length
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* Status 304 does not have a body and does not need a Content Length
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* https://tools.ietf.org/html/rfc7230#section-3.3
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* https://tools.ietf.org/html/rfc7230#section-3.3.2
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*/
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$emptyResponse = false;
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if (preg_match('/^HTTP\/\d\.\d (\d{3}) .*$/', $httpHeaders, $matches)) {
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$status = (int)$matches[1];
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if ($status === Http::STATUS_NO_CONTENT || $status === Http::STATUS_NOT_MODIFIED) {
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$emptyResponse = true;
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}
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}
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if (!$emptyResponse) {
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if ($response instanceof ICallbackResponse) {
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$response->callback($io);
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} elseif (!is_null($output)) {
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$io->setHeader('Content-Length: ' . strlen($output));
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$io->setOutput($output);
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}
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}
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}
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/**
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* Shortcut for calling a controller method and printing the result.
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* Similar to App:main except that no headers will be sent.
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* This should be used for example when registering sections via
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* \OC\AppFramework\Core\API::registerAdmin()
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*
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* @param string $controllerName the name of the controller under which it is
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* stored in the DI container
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* @param string $methodName the method that you want to call
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* @param array $urlParams an array with variables extracted from the routes
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* @param DIContainer $container an instance of a pimple container.
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*/
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public static function part(string $controllerName, string $methodName, array $urlParams,
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DIContainer $container) {
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$container['urlParams'] = $urlParams;
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$controller = $container[$controllerName];
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$dispatcher = $container['Dispatcher'];
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list(, , $output) = $dispatcher->dispatch($controller, $methodName);
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return $output;
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}
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}
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