davical/inc/caldav-REPORT-multiget.php
2016-12-30 08:54:19 +01:00

106 lines
3.7 KiB
PHP

<?php
/**
* Handle the calendar-multiget REPORT request.
*/
$responses = array();
/**
* Build the array of properties to include in the report output
*/
$proptype = $qry_content[0]->GetNSTag();
$properties = array();
$need_expansion = false;
switch( $proptype ) {
case 'DAV::prop':
$qry_props = $xmltree->GetPath('/*/'.$proptype.'/*');
foreach( $qry_content[0]->GetElements() AS $k => $v ) {
$properties[$v->GetNSTag()] = 1;
if ( $v->GetNSTag() == 'urn:ietf:params:xml:ns:caldav:calendar-data' ) check_for_expansion($v);
}
break;
case 'DAV::allprop':
$properties['DAV::allprop'] = 1;
if ( $qry_content[1]->GetNSTag() == 'DAV::include' ) {
foreach( $qry_content[1]->GetElements() AS $k => $v ) {
$include_properties[] = $v->GetNSTag(); /** $include_properties is referenced in DAVResource where allprop is expanded */
if ( $v->GetNSTag() == 'urn:ietf:params:xml:ns:caldav:calendar-data' ) check_for_expansion($v);
}
}
break;
default:
$properties[$proptype] = 1;
}
if ( empty($properties) ) $properties['DAV::allprop'] = 1;
$collection = new DAVResource($request->path);
$bound_from = $collection->bound_from();
/**
* Build the href list for the IN ( href, href, href, ... ) clause.
*/
$mg_hrefs = $xmltree->GetPath('/*/DAV::href');
$href_in = '';
$params = array();
foreach( $mg_hrefs AS $k => $v ) {
/**
* We need this to work if they specified a relative *or* a full path, so we strip off
* anything up to the matching request->path (which will include any http...) and then
* put the $bound_from prefix back on.
*/
$rawurl = rawurldecode($v->GetContent());
$path_pos = strpos($rawurl,$request->path);
if ( $path_pos === false ) {
$href = $bound_from . $rawurl;
}
else {
$href = $bound_from . substr( $rawurl, $path_pos + strlen($request->path));
}
@dbg_error_log("REPORT", 'Reporting on href "%s"', $href );
$href_in .= ($href_in == '' ? '' : ', ');
$href_in .= ':href'.$k;
$params[':href'.$k] = $href;
}
$where = " WHERE caldav_data.collection_id = " . $collection->resource_id();
$where .= " AND caldav_data.dav_name IN ( $href_in ) ";
if ( $mode == 'caldav' ) {
if ( $collection->Privileges() != privilege_to_bits('DAV::all') ) {
$where .= " AND (calendar_item.class != 'PRIVATE' OR calendar_item.class IS NULL) ";
}
}
$sql = 'SELECT calendar_item.*, addressbook_resource.*, caldav_data.* FROM caldav_data
LEFT JOIN calendar_item USING(dav_id, user_no, dav_name, collection_id)
LEFT JOIN addressbook_resource USING(dav_id)
LEFT JOIN collection USING(collection_id)';
/**
* @todo: Add stanzas for missing rows, so we don't just return a blank multistatus but
* actually return <response> stanzas with a 404 for each absent href. We could do
* this relatively easily with an array_flip($params) and remove each matching dav_name
* as we process it.
*/
if ( isset($c->strict_result_ordering) && $c->strict_result_ordering ) $where .= " ORDER BY caldav_data.dav_id";
$qry = new AwlQuery( $sql . $where, $params );
if ( $qry->Exec('REPORT',__LINE__,__FILE__) && $qry->rows() > 0 ) {
while( $dav_object = $qry->Fetch() ) {
if ( $bound_from != $collection->dav_name() ) {
$dav_object->dav_name = str_replace( $bound_from, $collection->dav_name(), $dav_object->dav_name);
}
if ( $need_expansion ) {
$vResource = new vComponent($dav_object->caldav_data);
$expanded = expand_event_instances($vResource, $expand_range_start, $expand_range_end);
$dav_object->caldav_data = $expanded->Render();
}
$responses[] = component_to_xml( $properties, $dav_object );
}
}
$multistatus = new XMLElement( "multistatus", $responses, $reply->GetXmlNsArray() );
$request->XMLResponse( 207, $multistatus );