server/lib/router.php
2012-10-05 17:42:46 +02:00

146 lines
3.9 KiB
PHP

<?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;
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');
}
/**
* loads the api routes
*/
public function loadRoutes() {
foreach(OC_APP::getEnabledApps() as $app){
$file = OC_App::getAppPath($app).'/appinfo/routes.php';
if(file_exists($file)){
$this->useCollection($app);
require_once($file);
$collection = $this->getCollection($app);
$this->root->addCollection($collection, '/apps/'.$app);
}
}
$this->useCollection('root');
require_once('core/routes.php');
}
protected function getCollection($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()
{
// TODO: http caching
$routes = array();
$router = OC::getRouter();
$root = $router->getCollection('root');
foreach($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 ) );
}
}