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caldav-REPORT.php
<?php
dbg_error_log("REPORT", "method handler");
require_once("XMLDocument.php");
require_once('DAVResource.php');
require_once('RRule.php');
if ( ! ini_get('open_basedir') && (isset($c->dbg['ALL']) || (isset($c->dbg['report']) && $c->dbg['report'])) ) {
$fh = fopen('/var/log/davical/REPORT.debug','w');
if ( $fh ) {
fwrite($fh,$request->raw_post);
fclose($fh);
}
}
if ( !isset($request->xml_tags) ) {
$request->DoResponse( 406, translate("REPORT body contains no XML data!") );
}
$xmltree = BuildXMLTree( $request->xml_tags );
if ( !is_object($xmltree) ) {
$request->DoResponse( 406, translate("REPORT body is not valid XML data!") );
}
$target = new DAVResource($request->path);
if ( $xmltree->GetNSTag() != 'DAV::principal-property-search'
&& $xmltree->GetNSTag() != 'DAV::principal-property-search-set' ) {
$target->NeedPrivilege( array('DAV::read', 'urn:ietf:params:xml:ns:caldav:read-free-busy'), true ); // They may have either
}
require_once("vCalendar.php");
$reportnum = -1;
$report = array();
$denied = array();
$unsupported = array();
if ( isset($prop_filter) ) unset($prop_filter);
if ( $xmltree->GetNSTag() == 'urn:ietf:params:xml:ns:caldav:free-busy-query' ) {
include("caldav-REPORT-freebusy.php");
exit; // Not that the above include should return anyway
}
$reply = new XMLDocument( array( "DAV:" => "" ) );
switch( $xmltree->GetNSTag() ) {
case 'DAV::principal-property-search':
include("caldav-REPORT-principal.php");
exit; // Not that it should return anyway.
case 'DAV::principal-search-property-set':
include("caldav-REPORT-pps-set.php");
exit; // Not that it should return anyway.
case 'DAV::sync-collection':
if ( $target->IsExternal() ) {
require_once("external-fetch.php");
update_external ( $target );
}
include("caldav-REPORT-sync-collection.php");
exit; // Not that it should return anyway.
case 'DAV::expand-property':
if ( $target->IsExternal() ) {
require_once("external-fetch.php");
update_external ( $target );
}
include("caldav-REPORT-expand-property.php");
exit; // Not that it should return anyway.
case 'DAV::principal-match':
include("caldav-REPORT-principal-match.php");
exit; // Not that it should return anyway.
}
function check_for_expansion( $calendar_data_node ) {
global $need_expansion, $expand_range_start, $expand_range_end, $expand_as_floating;
$expand_as_floating = false;
$expansion = $calendar_data_node->GetElements('urn:ietf:params:xml:ns:caldav:expand');
if ( isset($expansion[0]) ) {
$need_expansion = true;
$expand_range_start = $expansion[0]->GetAttribute('start');
$expand_range_end = $expansion[0]->GetAttribute('end');
$expand_as_floating = $expansion[0]->GetAttribute('floating');
if ( isset($expand_range_start) ) $expand_range_start = new RepeatRuleDateTime($expand_range_start);
if ( isset($expand_range_end) ) $expand_range_end = new RepeatRuleDateTime($expand_range_end);
if ( isset($expand_as_floating) && $expand_as_floating == "yes" )
$expand_as_floating = true;
else
$expand_as_floating = false;
}
}
function component_to_xml( $properties, $item ) {
global $session, $c, $request, $reply;
dbg_error_log("REPORT","Building XML Response for item '%s'", $item->dav_name );
$denied = array();
$unsupported = array();
$caldav_data = $item->caldav_data;
$displayname = preg_replace( '{^.*/}', '', $item->dav_name );
$type = 'unknown';
$contenttype = 'text/plain';
switch( strtoupper($item->caldav_type) ) {
case 'VJOURNAL':
case 'VEVENT':
case 'VTODO':
$displayname = $item->summary;
$type = 'calendar';
$contenttype = 'text/calendar';
if ( isset($properties['urn:ietf:params:xml:ns:caldav:calendar-data']) || isset($properties['DAV::displayname']) ) {
if ( !$request->AllowedTo('all') && $session->user_no != $item->user_no ) {
// the user is not admin / owner of this calendar looking at his calendar and can not admin the other cal
if ( $item->class == 'CONFIDENTIAL' || !$request->AllowedTo('read') ) {
dbg_error_log("REPORT","Anonymising confidential event for: %s", $item->dav_name );
$vcal = new vCalendar( $caldav_data );
$caldav_data = $vcal->Confidential()->Render();
$displayname = translate('Busy');
}
}
}
if ( isset($c->hide_alarm) && $c->hide_alarm ) {
$dav_resource = new DAVResource($item->dav_name);
if ( isset($properties['urn:ietf:params:xml:ns:caldav:calendar-data']) && !$dav_resource->HavePrivilegeTo('write') ) {
dbg_error_log("REPORT","Stripping event alarms for: %s", $item->dav_name );
$vcal = new vCalendar($caldav_data);
$vcal->ClearComponents('VALARM');
$caldav_data = $vcal->Render();
}
}
break;
case 'VCARD':
$displayname = $item->fn;
$type = 'vcard';
$contenttype = 'text/vcard';
break;
}
$url = ConstructURL($item->dav_name);
$prop = new XMLElement("prop");
$need_resource = false;
foreach( $properties AS $full_tag => $v ) {
$base_tag = preg_replace('{^.*:}', '', $full_tag );
switch( $full_tag ) {
case 'DAV::getcontentlength':
$contentlength = strlen($caldav_data);
$prop->NewElement($base_tag, $contentlength );
break;
case 'DAV::getlastmodified':
$prop->NewElement($base_tag, ISODateToHTTPDate($item->modified) );
break;
case 'urn:ietf:params:xml:ns:caldav:calendar-data':
if ( $type == 'calendar' ) $reply->CalDAVElement($prop, $base_tag, $caldav_data );
else $unsupported[] = $base_tag;
break;
case 'urn:ietf:params:xml:ns:carddav:address-data':
if ( $type == 'vcard' ) $reply->CardDAVElement($prop, $base_tag, $caldav_data );
else $unsupported[] = $base_tag;
break;
case 'DAV::getcontenttype':
$prop->NewElement($base_tag, $contenttype );
break;
case 'DAV::current-user-principal':
$prop->NewElement("current-user-principal", $request->current_user_principal_xml);
break;
case 'DAV::displayname':
$prop->NewElement($base_tag, $displayname );
break;
case 'DAV::resourcetype':
$prop->NewElement($base_tag); // Just an empty resourcetype for a non-collection.
break;
case 'DAV::getetag':
$prop->NewElement($base_tag, '"'.$item->dav_etag.'"' );
break;
case '"current-user-privilege-set"':
$prop->NewElement($base_tag, privileges($request->permissions) );
break;
default:
// It's harder. We need the DAVResource() to get this one.
$need_resource = true;
}
if ( $need_resource ) break;
}
$href = new XMLElement("href", $url );
if ( $need_resource ) {
if ( !isset($dav_resource) ) $dav_resource = new DAVResource($item->dav_name);
$elements = $dav_resource->GetPropStat(array_keys($properties), $reply);
array_unshift($elements, $href);
}
else {
$elements = array($href);
$status = new XMLElement("status", "HTTP/1.1 200 OK" );
$elements[] = new XMLElement( "propstat", array( $prop, $status) );
if ( count($denied) > 0 ) {
$status = new XMLElement("status", "HTTP/1.1 403 Forbidden" );
$noprop = new XMLElement("prop");
foreach( $denied AS $k => $v ) {
$reply->NSElement($noprop, $v);
}
$elements[] = new XMLElement( "propstat", array( $noprop, $status) );
}
if ( ! $request->PreferMinimal() && count($unsupported) > 0 ) {
$status = new XMLElement("status", "HTTP/1.1 404 Not Found" );
$noprop = new XMLElement("prop");
foreach( $unsupported AS $k => $v ) {
$reply->NSElement($noprop, $v);
}
$elements[] = new XMLElement( "propstat", array( $noprop, $status) );
}
}
$response = new XMLElement( "response", $elements );
return $response;
}
if ( $target->IsExternal() ) {
require_once("external-fetch.php");
update_external ( $target );
}
// These reports are always allowed to see the resource_data because they are special
$c->sync_resource_data_ok = true;
if ( $xmltree->GetNSTag() == "urn:ietf:params:xml:ns:caldav:calendar-query" ) {
$calquery = $xmltree->GetPath("/urn:ietf:params:xml:ns:caldav:calendar-query/*");
include("caldav-REPORT-calquery.php");
}
elseif ( $xmltree->GetNSTag() == "urn:ietf:params:xml:ns:caldav:calendar-multiget" ) {
$mode = 'caldav';
$qry_content = $xmltree->GetContent('urn:ietf:params:xml:ns:caldav:calendar-multiget');
include("caldav-REPORT-multiget.php");
}
elseif ( $xmltree->GetNSTag() == "urn:ietf:params:xml:ns:carddav:addressbook-multiget" ) {
$mode = 'carddav';
$qry_content = $xmltree->GetContent('urn:ietf:params:xml:ns:carddav:addressbook-multiget');
include("caldav-REPORT-multiget.php");
}
elseif ( $xmltree->GetNSTag() == "urn:ietf:params:xml:ns:carddav:addressbook-query" ) {
$cardquery = $xmltree->GetPath("/urn:ietf:params:xml:ns:carddav:addressbook-query/*");
include("caldav-REPORT-cardquery.php");
}
else {
dbg_error_log( 'ERROR', "Request for unsupported report type '%s'.", $xmltree->GetNSTag() );
$request->PreconditionFailed( 403, 'DAV::supported-report', sprintf( '"%s" is not a supported report type', $xmltree->GetNSTag()) );
}
DAVResource
Definition DAVResource.php:25
RepeatRuleDateTime
Definition RRule.php:210