function simpleCalDAVconnect($url, $user, $pass)
{
// Check for missing arguments
if (!(isset($url) && isset($user) && isset($pass))) {
return array(1, 'Missing arguments');
}
// Connect to CalDAV-Server and log in
$client = new CalDAVClient($url, $user, $pass);
// Check for errors
if (!$client->CheckValidCalDAV()) {
if ($client->GetHttpResultCode() == '401') {
return array(2, 'Login failed', $client->GetHttpRequest(), $client->GetBody(), $client->GetResponseHeaders(), $client->GetXmlResponse());
} elseif ($client->GetHttpResultCode() == '') {
return array(3, 'Can\'t reach server', $client->GetHttpRequest(), $client->GetBody(), $client->GetResponseHeaders(), $client->GetXmlResponse());
} else {
return array(4, 'Recieved unknown HTTP status while checking the connection after establishing it', $client->GetHttpRequest(), $client->GetBody(), $client->GetResponseHeaders(), $client->GetXmlResponse());
}
}
// set url to our calendar (CalDAV-protocol supports multiple calendars)
$client->SetCalendar($url);
// Is valid calendar?
if (count($client->GetCalendarDetailsByURL($url)) == 0) {
return array(5, 'Can\'t find the calendar on the CalDAV-server', $client->GetHttpRequest(), $client->GetBody(), $client->GetResponseHeaders(), $client->GetXmlResponse());
}
return array(0, $client);
}
// printf( "No calendars found based on '%s'\n", $args->url );
// }
//
// // Now we have all of the remote calendars, we will look for the URL that
// // matches what we were originally supplied. While this seems laborious
// // because we already have it, it means we could provide a match in some
// // other way (e.g. on displayname) and we could also present a list to
// // the user which is built from following the above process.
// foreach( $calendars AS $k => $a_calendar ) {
// if ( $a_calendar->url == $args->url ) $calendar = $a_calendar;
// }
// if ( !isset($calendar) ) $calendar = $calendars[0];
// In reality we could have omitted all of the above parts, If we really do
// know the correct URL at the start.
// Everything now will be at our calendar URL
$caldav->SetCalendar($args->url);
$calendar = $caldav->GetCalendarDetails();
printf("Remote calendar '%s' is at %s\n", $calendar->displayname, $calendar->url);
// Generate a consistent filename for our synchronisation cache
if (!file_exists($args->cache_directory) && !is_dir($args->cache_directory)) {
mkdir($args->cache_directory, 0750);
// Not incredibly sensitive file contents - URLs and ETags
}
$sync_cache_filename = $args->cache_directory . '/' . md5($args->user . $calendar->url);
// Do we just need to sync everything across and overwrite all the local stuff?
$sync_all = !file_exists($sync_cache_filename) || $args->sync_all;
$sync_in = false;
$sync_out = false;
if ($args->sync_in || !$args->sync_out) {
$sync_in = true;
}
