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185 lines
6.0 KiB
PHP
185 lines
6.0 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Andreas Fischer <bantu@owncloud.com>
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* @author Bernhard Posselt <dev@bernhard-posselt.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 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\Http\Dispatcher;
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use OC_App;
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use OC\AppFramework\DependencyInjection\DIContainer;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\QueryException;
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use OCP\AppFramework\Http\ICallbackResponse;
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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 $topNamespace the namespace which should be prepended to
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* the transformed app id, defaults to OCA\
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* @return string the starting namespace for the app
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*/
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public static function buildAppNamespace($appId, $topNamespace='OCA\\') {
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// Hit the cache!
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if (isset(self::$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($appInfo['namespace']);
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} else {
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// if the tag is not found, fall back to uppercasing the first letter
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self::$nameSpaceCache[$appId] = ucfirst($appId);
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}
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return $topNamespace . self::$nameSpaceCache[$appId];
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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 $urlParams list of URL parameters (optional)
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*/
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public static function main($controllerName, $methodName, DIContainer $container, array $urlParams = null) {
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if (!is_null($urlParams)) {
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$container['OCP\\IRequest']->setUrlParameters($urlParams);
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} else if (isset($container['urlParams']) && !is_null($container['urlParams'])) {
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$container['OCP\\IRequest']->setUrlParameters($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 $e) {
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if ($appName === 'core') {
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$appNameSpace = 'OC\\Core';
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} else if ($appName === 'settings') {
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$appNameSpace = 'OC\\Settings';
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} else {
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$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 = $container['OCP\\AppFramework\\Http\\IOutput'];
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if(!is_null($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 = $value['expireDate']->getTimestamp();
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}
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$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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$container->getServer()->getRequest()->getServerProtocol() === 'https',
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true
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);
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}
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/*
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* Status 204 does not have a body and no Content Length
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* Status 304 does not have a body and does not need a Content Length
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* https://tools.ietf.org/html/rfc7230#section-3.3
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* https://tools.ietf.org/html/rfc7230#section-3.3.2
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*/
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if ($httpHeaders !== Http::STATUS_NO_CONTENT && $httpHeaders !== Http::STATUS_NOT_MODIFIED) {
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if ($response instanceof ICallbackResponse) {
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$response->callback($io);
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} else if (!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 $container an instance of a pimple container.
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*/
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public static function part($controllerName, $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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