<?php
 
/**
* CalDAV Server - main program
*
* @package   davical
* @subpackage   caldav
* @author    Andrew McMillan <andrew@catalyst.net.nz>
* @copyright Catalyst .Net Ltd
* @license   http://gnu.org/copyleft/gpl.html GNU GPL v2
*/
//require_once("../inc/always.php");
///dbg_error_log( "caldav", " User agent: %s", ((isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "Unfortunately Mulberry 
//does not send a 'User-agent' header with its requests :-(")) );
//dbg_log_array( "headers", '_SERVER', $_SERVER, true );

require_once "Cal/HTTPAuthSession.php";
 

class Cal  extends HTML_FlexyFramework_Page
{
    var $conf;
    function iniConf() {
        
        // Default some of the configurable values
        $this->conf->sysabbr     = 'davical';
        $this->conf->admin_email = 'admin@davical.example.com';
        $this->conf->system_name = "DAViCal CalDAV Server";
        $this->conf->domain_name = $_SERVER['SERVER_NAME'];
        $this->conf->save_time_zone_defs = true;
        $this->conf->collections_always_exist = true;
        $this->conf->home_calendar_name = 'home';
        $this->conf->enable_row_linking = true;
        $this->conf->http_auth_mode = 'Basic';
        // $this->conf->default_locale = array('es_MX', 'es_AR', 'es', 'pt');  // An array of locales to try, or just a single locale
        // $this->conf->local_tzid = 'Pacific/Auckland';  // Perhaps we should read from /etc/timezone - I wonder how standard that is?
        $this->conf->default_locale = "en";
        $this->conf->base_url = $this->baseURL;
        $this->conf->base_directory = $this->rootURL;

        //$c->stylesheets = array( $c->base_url."/davical.css" );
        //$c->images      = $c->base_url . "/images";

    }
    
    function getAuth()
    {
        return true;
    }
    
    function start()
    {
        

        $session = new HTTPAuthSession();

        /**
        * From reading the "Scheduling Extensions to CalDAV" draft I don't think that we will
        * be doing 'calendar-schedule' any time soon.  The current spec is at:
        *    http://www.ietf.org/internet-drafts/draft-desruisseaux-caldav-sched-03.txt
        *
        * access-control is rfc3744, so we will say we do it, but I doubt if we do it
        * in all (or even much of) it's glory really.
        */
        if ( isset($this->conf->override_dav_header) ) {
          $dav = $this->conf->->override_dav_header;
        }
        else {
          $dav = "1, 2, access-control, calendar-access";
        }
        header( "DAV: $dav");

        require_once("Cal/DAVRequest.php");
        $request = new Cal_DAVRequest();
        
        if (!file_exists(dirname(__FILE__).'/Cal/'.$request->method .'.php'))){
            $request->DoResponse( 500, "The application program does not understand that request." );
            exit;
        }
        require_once dirname(__FILE__).'/Cal/'.$request->method .'.php';
        
        $m = 'Cal_'.$request->method;
        $hand = new $m($this);
        $hand->handle();
        
        /*
        switch ( $request->method ) {
          case 'OPTIONS':    include_once("caldav-OPTIONS.php");    break;
          case 'REPORT':     include_once("caldav-REPORT.php");     break;
          case 'PROPFIND':   include_once("caldav-PROPFIND.php");   break;
          case 'PROPPATCH':  include_once("caldav-PROPPATCH.php");  break;
          case 'MKCALENDAR': include_once("caldav-MKCALENDAR.php"); break;
          case 'MKCOL':      include_once("caldav-MKCALENDAR.php"); break;
          case 'PUT':        include_once("caldav-PUT.php");        break;
          case 'GET':        include_once("caldav-GET.php");        break;
          case 'HEAD':       include_once("caldav-GET.php");        break;
          case 'DELETE':     include_once("caldav-DELETE.php");     break;
          case 'LOCK':       include_once("caldav-LOCK.php");       break;
          case 'UNLOCK':     include_once("caldav-LOCK.php");       break;

          case 'TESTRRULE':  include_once("test-RRULE.php");        break;

          default:
            dbg_error_log( "caldav", "Unhandled request method >>%s<<", $request->method );
            dbg_log_array( "caldav", '_SERVER', $_SERVER, true );
            dbg_error_log( "caldav", "RAW: %s", str_replace("\n", "",str_replace("\r", "", $request->raw_post)) );
        }
        
        */

    }
    
    
}