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<?php
/**
* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
use Symfony\Component\Routing\Matcher\UrlMatcher;
use Symfony\Component\Routing\Generator\UrlGenerator;
use Symfony\Component\Routing\RequestContext;
use Symfony\Component\Routing\RouteCollection;
//use Symfony\Component\Routing\Route;
class OC_Router {
protected $collections = array();
protected $collection = null;
protected $root = null;
protected $generator = null;
protected $routing_files;
protected $cache_key;
public function __construct() {
$baseUrl = OC_Helper::linkTo('', 'index.php');
$method = $_SERVER['REQUEST_METHOD'];
$host = OC_Request::serverHost();
$schema = OC_Request::serverProtocol();
$this->context = new RequestContext($baseUrl, $method, $host, $schema);
// TODO cache
$this->root = $this->getCollection('root');
}
public function getRoutingFiles() {
if (!isset($this->routing_files)) {
$this->routing_files = array();
foreach(OC_APP::getEnabledApps() as $app) {
$file = OC_App::getAppPath($app).'/appinfo/routes.php';
if(file_exists($file)) {
$this->routing_files[$app] = $file;
}
}
}
return $this->routing_files;
}
public function getCacheKey() {
if (!isset($this->cache_key)) {
$files = $this->getRoutingFiles();
$files[] = 'settings/routes.php';
$files[] = 'core/routes.php';
$this->cache_key = OC_Cache::generateCacheKeyFromFiles($files);
}
return $this->cache_key;
}
/**
* loads the api routes
*/
public function loadRoutes() {
foreach($this->getRoutingFiles() as $app => $file) {
$this->useCollection($app);
require_once $file;
$collection = $this->getCollection($app);
$this->root->addCollection($collection, '/apps/'.$app);
}
$this->useCollection('root');
require_once 'settings/routes.php';
require_once 'core/routes.php';
}
protected function getCollection($name) {
if (!isset($this->collections[$name])) {
$this->collections[$name] = new RouteCollection();
}
return $this->collections[$name];
}
/**
* Sets the collection to use for adding routes
*
* @param string $name Name of the colletion to use.
*/
public function useCollection($name) {
$this->collection = $this->getCollection($name);
}
/**
* Create a OC_Route.
*
* @param string $name Name of the route to create.
* @param string $pattern The pattern to match
* @param array $defaults An array of default parameter values
* @param array $requirements An array of requirements for parameters (regexes)
*/
public function create($name, $pattern, array $defaults = array(), array $requirements = array()) {
$route = new OC_Route($pattern, $defaults, $requirements);
$this->collection->add($name, $route);
return $route;
}
/**
* Find the route matching $url.
*
* @param string $url The url to find
*/
public function match($url) {
$matcher = new UrlMatcher($this->root, $this->context);
$parameters = $matcher->match($url);
if (isset($parameters['action'])) {
$action = $parameters['action'];
if (!is_callable($action)) {
var_dump($action);
throw new Exception('not a callable action');
}
unset($parameters['action']);
call_user_func($action, $parameters);
} elseif (isset($parameters['file'])) {
include $parameters['file'];
} else {
throw new Exception('no action available');
}
}
/**
* Get the url generator
*
*/
public function getGenerator()
{
if (null !== $this->generator) {
return $this->generator;
}
return $this->generator = new UrlGenerator($this->root, $this->context);
}
/**
* Generate url based on $name and $parameters
*
* @param string $name Name of the route to use.
* @param array $parameters Parameters for the route
*/
public function generate($name, $parameters = array(), $absolute = false)
{
return $this->getGenerator()->generate($name, $parameters, $absolute);
}
/**
* Generate JSON response for routing in javascript
*/
public static function JSRoutes()
{
$router = OC::getRouter();
$etag = $router->getCacheKey();
OC_Response::enableCaching();
OC_Response::setETagHeader($etag);
$root = $router->getCollection('root');
$routes = array();
foreach($root->all() as $name => $route) {
$compiled_route = $route->compile();
$defaults = $route->getDefaults();
unset($defaults['action']);
$routes[$name] = array(
'tokens' => $compiled_route->getTokens(),
'defaults' => $defaults,
);
}
OCP\JSON::success ( array( 'data' => $routes ) );
}
}
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