<?php
/**
 * eventCreator
 * ver 2.0
 *
 * The iCal file event php-HTML form editor
 *
 * copyright (c) 2006 Kjell-Inge Gustafsson kigkonsult
 * www.kigkonsult.se/iCalcreator/eventCreator/index.php
 * hide@address.com
 * updated 20070117
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * This script manages logging and all file creating and output
 *
**/
/** Set flag that this is a parent file */
define( '_VALID_KIG', 1 );
            /** setup */
require_once 'eventCreator.config.php';
            /** grab command */
$task = isset( $_REQUEST['v']['task'] )  ? $_REQUEST['v']['task'] : null;
            /** remove old files */
if( '' < @ECOUTPUTDIR ) {
  $timeout = ( 0 < @ECOUTPUTDIRTIMEOUT ) ? ECOUTPUTDIRTIMEOUT : ECTIMEOUT;
  ecremFiles( ECOUTPUTDIR, $timeout );
}
            /** execute command ? */
switch( $task ) {
  case 'xCal':
    if( ECXCALOUTPUT ) {
      ecreturnCalendar( 'xCal' );
      exit;
    }
    break;
  case 'iCal':
    if( ECICALOUTPUT ) {
      ecreturnCalendar();
      exit;
    }
    break;
  case 'rss2Cal':
    if( ECRSS2CALOUTPUT ) {
      ecrsscalCalendar( '2.0' );
      exit;
    }
    break;
  case 'rssCal':
    if( ECRSSCALOUTPUT ) {
      ecrsscalCalendar();
      exit;
    }
    break;
  default:
    break;
}
function ectxt2log( $type, $text ) {
  if( !defined( 'ECLOG' ))
    return FALSE;
  if( !file_exists( ECLOG ) && !touch( ECLOG, '0700' ))
    return FALSE;
  clearstatcache();
  if( !is_writeable( ECLOG ))
    return FALSE;
  clearstatcache();
  if ( FALSE !== ( $fp = @fopen ( ECLOG, "a" ))) {
    if( is_array( $type ))
      $type = implode( ' ', $type );
    if( is_array( $text ))
      $text = implode( ' ', $text );
    $tab      = "\t";
    $address  = $_SERVER['REMOTE_ADDR'];
    $host     = gethostbyaddr ( $address );
    $output   = date( 'Y-m-d H:i:s' ).$tab.$type.$tab.$text.$tab.$address.$tab.$host."\n";
    @fwrite( $fp, $output );
    @fclose( $fp );
  }
}
function ecrsscalCalendar( $version=null ) {
  require_once ECRSSCAL_DIR.DIRECTORY_SEPARATOR.'rsscalCreator.class.php'; // rssCalreator incl. path

  $v = isset( $_REQUEST['v'] )  ? $_REQUEST['v'] : null;   // grab data

  $feed = new rsscalCreator( $v['SUMMARY']                 // create new rsscal feed
                           , $v['URL']                     // with required elements
                           , $v['DESCRIPTION']
                           );
  if( $version )
    $feed->setVersion( $version );
  $feed->setChannelElement( 'dc:date', date( 'Y:m:d H:i:s' ));
                                                           // create rsscal item
  $item = new rsscalItem( $v['SUMMARY'], $v['URL'], $v['DESCRIPTION'] );
                                                           // add item elements
  $item->addElement( 'ev:type', $v['CLASS'] );
  $item->addElement( 'ev:organizer', $v['ORGANIZER'] );
  $item->addElement( 'ev:location', $v['LOCATION'] );
  $v['DTSTART']['hour'] = (isset( $v['DTSTART']['Hour']))   ? $v['DTSTART']['Hour']    : 0;
  $v['DTSTART']['min']  = (isset( $v['DTSTART']['Minute'])) ? $v['DTSTART']['Minute']  : 0;
  $item->addElement( 'ev:startdate', date( 'Ymd\THis', mktime ( $v['DTSTART']['hour'], $v['DTSTART']['min'], 0, $v['DTSTART']['Month'], $v['DTSTART']['Day'], $v['DTSTART']['Year'])));
  if( !isset( $v['DTEND']['Year'] ) || !empty( $v['chkb'] ))
    $v['DTEND'] = $v['DTSTART'];
  $v['DTEND']['hour'] = (isset( $v['DTEND']['Hour']))   ? $v['DTEND']['Hour']    : 0;
  $v['DTEND']['min']  = (isset( $v['DTEND']['Minute'])) ? $v['DTEND']['Minute']  : 0;
  $item->addElement( 'ev:enddate',date( 'Ymd\THis', mktime ( $v['DTEND']['hour'], $v['DTEND']['min'], 0, $v['DTEND']['Month'], $v['DTEND']['Day'], $v['DTEND']['Year'])));
  $feed->addItem( $item );                                 // add item to feed
  $directory = ( '' < @ECOUTPUTDIR ) ? ECOUTPUTDIR : ECCACHE;
  $filename  = ( '' < @ECOUTPUTFIXFILENAME )
                     ? ECOUTPUTFIXFILENAME.'.xml' : date(ECOUTPUTFILENAMETMPL).'.xml';
  $feed->setFilename( $directory, $filename );
  if( defined( 'ECLOG' )) { // alt 1: log file info before redirect
             /** create feed, save file and return file info */
    $fileinfo = $feed->saveRSS();
            /** log file creation to log file */
    ectxt2log( array( 'eventCreator', 'RSS'.$version ), $fileinfo );
             /** send file to browser */
    $feed->useCachedRSS( $fileinfo[0], $fileinfo[1] );
  }
  else { // alt 2: create and redirect RSS feed to browser
    $feed->returnRSS();
  }
  exit;
}
function ecreturnCalendar( $format=FALSE ) {
  $v = isset( $_REQUEST['v'] )  ? $_REQUEST['v'] : null;   // grab data
  $calendar       = & ecloadFile( $v ); // load old file
  $v['directory'] = ( '' < @ECOUTPUTDIR ) ? ECOUTPUTDIR : ECCACHE;
  $ext            = ( $format ) ? 'xml' : 'ics';
  $v['filename']  = ( '' < @ECOUTPUTFIXFILENAME )
                  ? ECOUTPUTFIXFILENAME.".$ext" : date(ECOUTPUTFILENAMETMPL).".$ext";
  if( TRUE === @ECSINGLEEVENT )
    $calendar       = & ecsaveEvent( $v ); // create new file and save single event
  else
    $calendar       = & ecsaveEvent( $v, $calendar ); // create new file and update event
  if( $format )
    $calendar->setConfig( 'format', $format );
  if( defined( 'ECLOG' )) { // alt 1: log file info before redirect
             /** get file info */
    $fileinfo     = $calendar->getConfig( 'fileinfo' );
            /** log file creation to log file */
    $type         = ( $format ) ? 'xCal' : 'iCal';
    ectxt2log( array( 'eventCreator', $type ), $fileinfo );
             /** send file to browser */
    $calendar->useCachedCalendar( $fileinfo[0], $fileinfo[1] );
  }
  else { // alt 2: return direct
    $calendar->returnCalendar();
  }
  exit;
}
?>