<?php
namespace Zotlabs\Module;

use App;
use Zotlabs\Web\Controller;
use Zotlabs\Module\Webfinger;
use Zotlabs\Module\Oauthinfo;

class Well_known extends Controller {

	function init() {
	
		if (argc() > 1) {
	
			$arr =  [ 'server' => $_SERVER, 'request' => $_REQUEST ];
			call_hooks('well_known', $arr);
	
			if (! check_siteallowed($_SERVER['REMOTE_ADDR'])) {
				logger('well_known: site not allowed. ' . $_SERVER['REMOTE_ADDR']);
				killme();
			}
	
			// from php.net re: REMOTE_HOST:
			//     Note: Your web server must be configured to create this variable.
			// For example in Apache you'll need HostnameLookups On inside httpd.conf
			// for it to exist. See also gethostbyaddr(). 
	
			if (get_config('system','siteallowed_remote_host') && (! check_siteallowed($_SERVER['REMOTE_HOST']))) {
				logger('well_known: site not allowed. ' . $_SERVER['REMOTE_HOST']);
				killme();
			}
	
			switch(argv(1)) {
	
				case 'webfinger':
					App::$argc -= 1;
					array_shift(App::$argv);
					App::$argv[0] = 'webfinger';
					$module = new Webfinger();
					$module->init();
					break;
	
				case 'oauth-authorization-server':
				case 'openid-configuration':
					App::$argc -= 1;
					array_shift(\App::$argv);
					App::$argv[0] = 'oauthinfo';
					$module = new Oauthinfo();
					$module->init();
					break;

				case 'dnt-policy.txt':
					echo file_get_contents('doc/global/dnt-policy.txt');
					killme();

				default:
					if (file_exists(App::$cmd)) {
						echo file_get_contents(App::$cmd); 
						killme();
					}
					elseif (file_exists(App::$cmd . '.php'))
						require_once(App::$cmd . '.php');
					break;
			}
		}
	
		http_status_exit(404);
	}
}