323 lines
8.5 KiB
PHP
323 lines
8.5 KiB
PHP
<?php
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/**
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* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Route;
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use OCP\Route\IRouter;
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use OCP\AppFramework\App;
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use Symfony\Component\Routing\Matcher\UrlMatcher;
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use Symfony\Component\Routing\Generator\UrlGenerator;
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use Symfony\Component\Routing\RequestContext;
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use Symfony\Component\Routing\RouteCollection;
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use Symfony\Component\Routing\Exception\ResourceNotFoundException;
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class Router implements IRouter {
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/**
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* @var \Symfony\Component\Routing\RouteCollection[]
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*/
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protected $collections = array();
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/**
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* @var \Symfony\Component\Routing\RouteCollection
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*/
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protected $collection = null;
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/**
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* @var string
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*/
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protected $collectionName = null;
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/**
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* @var \Symfony\Component\Routing\RouteCollection
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*/
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protected $root = null;
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/**
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* @var \Symfony\Component\Routing\Generator\UrlGenerator
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*/
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protected $generator = null;
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/**
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* @var string[]
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*/
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protected $routingFiles;
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/**
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* @var string
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*/
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protected $cacheKey;
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protected $loaded = false;
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protected $loadedApps = array();
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public function __construct() {
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$baseUrl = \OC_Helper::linkTo('', 'index.php');
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if (!\OC::$CLI) {
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$method = $_SERVER['REQUEST_METHOD'];
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} else {
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$method = 'GET';
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}
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$request = \OC::$server->getRequest();
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$host = $request->getServerHost();
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$schema = $request->getServerProtocol();
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$this->context = new RequestContext($baseUrl, $method, $host, $schema);
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// TODO cache
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$this->root = $this->getCollection('root');
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}
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/**
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* Get the files to load the routes from
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*
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* @return string[]
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*/
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public function getRoutingFiles() {
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if (!isset($this->routingFiles)) {
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$this->routingFiles = array();
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foreach (\OC_APP::getEnabledApps() as $app) {
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$file = \OC_App::getAppPath($app) . '/appinfo/routes.php';
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if (file_exists($file)) {
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$this->routingFiles[$app] = $file;
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}
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}
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}
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return $this->routingFiles;
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}
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/**
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* @return string
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*/
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public function getCacheKey() {
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if (!isset($this->cacheKey)) {
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$files = $this->getRoutingFiles();
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$files[] = 'settings/routes.php';
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$files[] = 'core/routes.php';
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$files[] = 'ocs/routes.php';
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$this->cacheKey = \OC\Cache::generateCacheKeyFromFiles($files);
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}
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return $this->cacheKey;
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}
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/**
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* loads the api routes
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* @return void
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*/
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public function loadRoutes($app = null) {
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$requestedApp = $app;
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if ($this->loaded) {
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return;
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}
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if (is_null($app)) {
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$this->loaded = true;
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$routingFiles = $this->getRoutingFiles();
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} else {
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if (isset($this->loadedApps[$app])) {
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return;
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}
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$file = \OC_App::getAppPath($app) . '/appinfo/routes.php';
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if (file_exists($file)) {
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$routingFiles = array($app => $file);
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} else {
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$routingFiles = array();
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}
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}
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\OC::$server->getEventLogger()->start('loadroutes' . $requestedApp, 'Loading Routes');
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foreach ($routingFiles as $app => $file) {
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if (!isset($this->loadedApps[$app])) {
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$this->loadedApps[$app] = true;
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$this->useCollection($app);
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$this->requireRouteFile($file, $app);
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$collection = $this->getCollection($app);
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$collection->addPrefix('/apps/' . $app);
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$this->root->addCollection($collection);
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}
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}
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if (!isset($this->loadedApps['core'])) {
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$this->loadedApps['core'] = true;
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$this->useCollection('root');
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require_once 'settings/routes.php';
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require_once 'core/routes.php';
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// include ocs routes
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require_once 'ocs/routes.php';
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$collection = $this->getCollection('ocs');
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$collection->addPrefix('/ocs');
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$this->root->addCollection($collection);
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}
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\OC::$server->getEventLogger()->end('loadroutes' . $requestedApp);
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}
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/**
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* @param string $name
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* @return \Symfony\Component\Routing\RouteCollection
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*/
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protected function getCollection($name) {
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if (!isset($this->collections[$name])) {
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$this->collections[$name] = new RouteCollection();
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}
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return $this->collections[$name];
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}
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/**
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* Sets the collection to use for adding routes
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*
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* @param string $name Name of the collection to use.
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* @return void
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*/
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public function useCollection($name) {
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$this->collection = $this->getCollection($name);
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$this->collectionName = $name;
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}
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/**
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* returns the current collection name in use for adding routes
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*
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* @return string the collection name
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*/
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public function getCurrentCollection() {
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return $this->collectionName;
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}
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/**
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* Create a \OC\Route\Route.
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*
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* @param string $name Name of the route to create.
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* @param string $pattern The pattern to match
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* @param array $defaults An array of default parameter values
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* @param array $requirements An array of requirements for parameters (regexes)
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* @return \OC\Route\Route
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*/
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public function create($name, $pattern, array $defaults = array(), array $requirements = array()) {
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$route = new Route($pattern, $defaults, $requirements);
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$this->collection->add($name, $route);
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return $route;
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}
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/**
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* Find the route matching $url
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*
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* @param string $url The url to find
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* @throws \Exception
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* @return void
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*/
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public function match($url) {
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if (substr($url, 0, 6) === '/apps/') {
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// empty string / 'apps' / $app / rest of the route
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list(, , $app,) = explode('/', $url, 4);
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\OC::$REQUESTEDAPP = $app;
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$this->loadRoutes($app);
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} else if (substr($url, 0, 6) === '/core/' or substr($url, 0, 10) === '/settings/') {
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\OC::$REQUESTEDAPP = $url;
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if (!\OC_Config::getValue('maintenance', false) && !\OCP\Util::needUpgrade()) {
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\OC_App::loadApps();
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}
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$this->loadRoutes('core');
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} else {
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$this->loadRoutes();
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}
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$matcher = new UrlMatcher($this->root, $this->context);
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try {
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$parameters = $matcher->match($url);
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} catch (ResourceNotFoundException $e) {
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if (substr($url, -1) !== '/') {
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// We allow links to apps/files? for backwards compatibility reasons
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// However, since Symfony does not allow empty route names, the route
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// we need to match is '/', so we need to append the '/' here.
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try {
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$parameters = $matcher->match($url . '/');
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} catch (ResourceNotFoundException $newException) {
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// If we still didn't match a route, we throw the original exception
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throw $e;
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}
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} else {
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throw $e;
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}
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}
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\OC::$server->getEventLogger()->start('run_route', 'Run route');
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if (isset($parameters['action'])) {
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$action = $parameters['action'];
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if (!is_callable($action)) {
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throw new \Exception('not a callable action');
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}
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unset($parameters['action']);
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call_user_func($action, $parameters);
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} elseif (isset($parameters['file'])) {
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include $parameters['file'];
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} else {
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throw new \Exception('no action available');
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}
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\OC::$server->getEventLogger()->end('run_route');
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}
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/**
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* Get the url generator
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* @return \Symfony\Component\Routing\Generator\UrlGenerator
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*
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*/
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public function getGenerator() {
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if (null !== $this->generator) {
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return $this->generator;
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}
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return $this->generator = new UrlGenerator($this->root, $this->context);
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}
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/**
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* Generate url based on $name and $parameters
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*
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* @param string $name Name of the route to use.
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* @param array $parameters Parameters for the route
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* @param bool $absolute
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* @return string
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*/
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public function generate($name, $parameters = array(), $absolute = false) {
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$this->loadRoutes();
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return $this->getGenerator()->generate($name, $parameters, $absolute);
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}
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/**
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* To isolate the variable scope used inside the $file it is required in it's own method
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* @param string $file the route file location to include
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* @param string $appName
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*/
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private function requireRouteFile($file, $appName) {
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$this->setupRoutes(include_once $file, $appName);
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}
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/**
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* If a routes.php file returns an array, try to set up the application and
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* register the routes for the app. The application class will be chosen by
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* camelcasing the appname, e.g.: my_app will be turned into
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* \OCA\MyApp\AppInfo\Application. If that class does not exist, a default
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* App will be intialized. This makes it optional to ship an
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* appinfo/application.php by using the built in query resolver
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* @param array $routes the application routes
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* @param string $appName the name of the app.
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*/
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private function setupRoutes($routes, $appName) {
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if (is_array($routes)) {
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$appNameSpace = App::buildAppNamespace($appName);
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$applicationClassName = $appNameSpace . '\\AppInfo\\Application';
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if (class_exists($applicationClassName)) {
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$application = new $applicationClassName();
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} else {
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$application = new App($appName);
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}
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$application->registerRoutes($this, $routes);
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}
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}
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}
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