3 include_once(
'vCalendar.php');
8 $qry_content = $xmltree->GetContent(
'urn:ietf:params:xml:ns:caldav:calendar-query');
10 $properties = array();
11 $include_properties = array();
12 $need_expansion =
false;
13 while (list($idx, $qqq) = each($qry_content))
15 $proptype = $qry_content[$idx]->GetNSTag();
18 $qry_props = $xmltree->GetPath(
'/urn:ietf:params:xml:ns:caldav:calendar-query/'.$proptype.
'/*');
19 foreach( $qry_content[$idx]->GetElements() AS $k => $v ) {
20 $propertyname = $v->GetNSTag();
21 $properties[$propertyname] = 1;
22 if ( $propertyname ==
'urn:ietf:params:xml:ns:caldav:calendar-data' ) check_for_expansion($v);
27 $properties[
'DAV::allprop'] = 1;
28 if ( $qry_content[$idx]->GetNSTag() ==
'DAV::include' ) {
29 foreach( $qry_content[$idx]->GetElements() AS $k => $v ) {
30 $include_properties[] = $v->GetNSTag();
31 if ( $v->GetNSTag() ==
'urn:ietf:params:xml:ns:caldav:calendar-data' ) check_for_expansion($v);
37 if ( empty($properties) ) $properties[
'DAV::allprop'] = 1;
45 $qry_filters = $xmltree->GetPath(
'/urn:ietf:params:xml:ns:caldav:calendar-query/urn:ietf:params:xml:ns:caldav:filter/*');
46 if ( count($qry_filters) != 1 ) $qry_filters =
false;
58 function calquery_apply_filter( $filters, $item ) {
59 global $session, $c, $request;
61 if ( count($filters) == 0 )
return true;
63 dbg_error_log(
"calquery",
"Applying filter for item '%s'", $item->dav_name );
64 $ical =
new vCalendar( $item->caldav_data );
65 return $ical->StartFilter($filters);
73 $need_post_filter =
false;
75 $parameter_match_num = 0;
76 function SqlFilterFragment( $filter, $components, $property = null, $parameter = null) {
77 global $need_post_filter, $range_filter, $target_collection, $parameter_match_num;
80 if ( !is_array($filter) ) {
81 dbg_error_log(
"calquery",
"Filter is of type '%s', but should be an array of XML Tags.", gettype($filter) );
84 foreach( $filter AS $k => $v ) {
85 $tag = $v->GetNSTag();
86 dbg_error_log(
"calquery",
"Processing $tag into SQL - %d, '%s', %d\n", count($components), $property, isset($parameter) );
90 case 'urn:ietf:params:xml:ns:caldav:is-not-defined':
91 $not_defined =
"not-";
92 case 'urn:ietf:params:xml:ns:caldav:is-defined':
93 if ( isset( $parameter ) ) {
94 $need_post_filter =
true;
95 dbg_error_log(
"calquery",
"Could not handle 'is-%sdefined' on property %s, parameter %s in SQL", $not_defined, $property, $parameter );
98 if ( isset( $property ) ) {
105 if ( ! $target_collection->IsSchedulingCollection() ) {
106 $property_defined_match =
"IS NOT NULL";
111 $property_defined_match =
"IS NOT NULL";
115 $property_defined_match =
"LIKE '_%'";
117 $sql .= sprintf(
"AND %s %s%s ", $property, $not_defined, $property_defined_match );
121 case 'urn:ietf:params:xml:ns:caldav:time-range':
126 $start_column = ($components[
sizeof($components)-1] ==
'VTODO' ?
"due" :
'dtend');
127 $finish_column =
'dtstart';
128 $start = $v->GetAttribute(
"start");
129 $finish = $v->GetAttribute(
"end");
130 $start_sql = $finish_sql =
'';
131 if ( isset($start) ) {
132 $params[
':time_range_start'] = $start;
133 $start_sql .=
' (('.$start_column.
' IS NULL AND '.$finish_column.
' > :time_range_start) OR '.$start_column.
' > :time_range_start) ';
135 if ( isset($finish) ) {
136 $params[
':time_range_end'] = $finish;
137 $finish_sql =
' '.$finish_column.
' < :time_range_end ';
139 if ( isset($start) || isset($finish) ) {
140 $sql .=
' AND (rrule IS NOT NULL OR '.$finish_column.
' IS NULL OR (';
141 if ( isset($start) ) $sql .= $start_sql;
142 if ( isset($start) && isset($finish) ) $sql .=
' AND ';
143 if ( isset($finish) ) $sql .= $finish_sql;
146 @dbg_error_log(
'calquery',
'filter-sql: %s', $sql);
147 @dbg_error_log(
'calquery',
'time-range-start: %s, time-range-end: %s, ', $params[
':time_range_start'], $params[
':time_range_end']);
152 case 'urn:ietf:params:xml:ns:caldav:text-match':
153 $search = $v->GetContent();
154 $negate = $v->GetAttribute(
"negate-condition");
155 $collation = $v->GetAttribute(
"collation");
156 switch( strtolower($collation) ) {
158 $comparison =
'LIKE';
160 case 'i;ascii-casemap':
162 $comparison =
'ILIKE';
166 $params[
':text_match_'.$parameter_match_num] =
'%'.$search.
'%';
167 $fragment = sprintf(
'AND (%s%s %s :text_match_%s) ',
168 (isset($negate) && strtolower($negate) ==
"yes" ? $property.
' IS NULL OR NOT ':
''),
169 $property, $comparison, $parameter_match_num );
170 $parameter_match_num++;
172 dbg_error_log(
'calquery',
' text-match: %s', $fragment );
176 case 'urn:ietf:params:xml:ns:caldav:comp-filter':
177 $comp_filter_name = $v->GetAttribute(
"name");
178 if ( $comp_filter_name !=
'VCALENDAR' && count($components) == 0 ) {
179 $sql .=
"AND caldav_data.caldav_type = :component_name_filter ";
180 $params[
':component_name_filter'] = $comp_filter_name;
181 $components[] = $comp_filter_name;
183 $subfilter = $v->GetContent();
184 if ( is_array( $subfilter ) ) {
185 $success = SqlFilterFragment( $subfilter, $components, $property, $parameter );
186 if ( $success ===
false )
continue;
else {
187 $sql .= $success[
'sql'];
188 $params = array_merge( $params, $success[
'params'] );
193 case 'urn:ietf:params:xml:ns:caldav:prop-filter':
194 $propertyname = $v->GetAttribute(
"name");
195 switch( $propertyname ) {
196 case 'PERCENT-COMPLETE':
197 $subproperty =
'percent_complete';
215 $subproperty =
'calendar_item.'.strtolower($propertyname);
220 $need_post_filter =
true;
222 dbg_error_log(
"calquery",
"Could not handle 'prop-filter' on %s in SQL", $propertyname );
225 if ( isset($subproperty) ) {
226 $subfilter = $v->GetContent();
227 $success = SqlFilterFragment( $subfilter, $components, $subproperty, $parameter );
228 if ( $success ===
false )
continue;
else {
229 $sql .= $success[
'sql'];
230 $params = array_merge( $params, $success[
'params'] );
235 case 'urn:ietf:params:xml:ns:caldav:param-filter':
236 $need_post_filter =
true;
238 $parameter = $v->GetAttribute(
"name");
239 $subfilter = $v->GetContent();
240 $success = SqlFilterFragment( $subfilter, $components, $property, $parameter );
241 if ( $success ===
false )
continue;
else {
242 $sql .= $success[
'sql'];
243 $params = array_merge( $params, $success[
'params'] );
248 dbg_error_log(
"calquery",
"Could not handle unknown tag '%s' in calendar query report", $tag );
252 dbg_error_log(
"calquery",
"Generated SQL was '%s'", $sql );
253 return array(
'sql' => $sql,
'params' => $params );
264 function BuildSqlFilter( $filter ) {
265 $components = array();
266 if ( $filter->GetNSTag() ==
"urn:ietf:params:xml:ns:caldav:comp-filter" && $filter->GetAttribute(
"name") ==
"VCALENDAR" )
267 $filter = $filter->GetContent();
269 dbg_error_log(
"calquery",
"Got bizarre CALDAV:FILTER[%s=%s]] which does not contain comp-filter = VCALENDAR!!", $filter->GetNSTag(), $filter->GetAttribute(
"name") );
271 return SqlFilterFragment( $filter, $components );
279 $responses = array();
280 $target_collection =
new DAVResource($request->path);
281 $bound_from = $target_collection->bound_from();
282 if ( !$target_collection->Exists() ) {
283 $request->DoResponse( 404 );
288 if ( ! ($target_collection->IsCalendar() || $target_collection->IsSchedulingCollection()) ) {
289 if ( !(isset($c->allow_recursive_report) && $c->allow_recursive_report) ) {
290 $request->DoResponse( 403, translate(
'The calendar-query report must be run against a calendar or a scheduling collection') );
292 else if ( $request->path ==
'/' || $target_collection->IsPrincipal() || $target_collection->IsAddressbook() ) {
293 $request->DoResponse( 403, translate(
'The calendar-query report may not be run against that URL.') );
298 $where =
'WHERE caldav_data.collection_id IN ';
299 $where .=
'(SELECT bound_source_id FROM dav_binding WHERE dav_binding.dav_name ~ :path_match ';
301 $where .=
'SELECT collection_id FROM collection WHERE collection.dav_name ~ :path_match) ';
302 $distinct =
'DISTINCT ON (calendar_item.uid) ';
303 $params[
':path_match'] =
'^'.$target_collection->bound_from();
306 $where =
' WHERE caldav_data.collection_id = ' . $target_collection->resource_id();
310 if ( is_array($qry_filters) ) {
311 dbg_log_array(
"calquery",
"qry_filters", $qry_filters,
true );
312 $components = array();
313 $filter_fragment = SqlFilterFragment( $qry_filters, $components );
314 if ( $filter_fragment !==
false ) {
315 $where .=
' '.$filter_fragment[
'sql'];
316 $params = array_merge( $params, $filter_fragment[
'params']);
319 if ( $target_collection->Privileges() != privilege_to_bits(
'DAV::all') ) {
320 $where .=
" AND (calendar_item.class != 'PRIVATE' OR calendar_item.class IS NULL) ";
323 if ( isset($c->hide_TODO) && ($c->hide_TODO ===
true || (is_string($c->hide_TODO) && preg_match($c->hide_TODO, $_SERVER[
'HTTP_USER_AGENT']))) && ! $target_collection->HavePrivilegeTo(
'all') ) {
324 $where .=
" AND caldav_data.caldav_type NOT IN ('VTODO') ";
327 if ( isset($c->hide_older_than) && intval($c->hide_older_than > 0) ) {
328 $where .=
" AND (CASE WHEN caldav_data.caldav_type<>'VEVENT' OR calendar_item.dtstart IS NULL OR calendar_item.rrule IS NOT NULL THEN true ELSE calendar_item.dtstart > (now() - interval '".intval($c->hide_older_than).
" days') END) ";
331 $sql =
'SELECT '.$distinct.
' caldav_data.*,calendar_item.* FROM collection INNER JOIN caldav_data USING(collection_id) INNER JOIN calendar_item USING(dav_id) '. $where;
332 if ( isset($c->strict_result_ordering) && $c->strict_result_ordering ) $sql .=
" ORDER BY caldav_data.dav_id";
333 $qry =
new AwlQuery( $sql, $params );
334 if ( $qry->Exec(
"calquery",__LINE__,__FILE__) && $qry->rows() > 0 ) {
335 while( $dav_object = $qry->Fetch() ) {
337 if ( !$need_post_filter || calquery_apply_filter( $qry_filters, $dav_object ) ) {
338 if ( $bound_from != $target_collection->dav_name() ) {
339 $dav_object->dav_name = str_replace( $bound_from, $target_collection->dav_name(), $dav_object->dav_name);
341 if ( $need_expansion ) {
342 $vResource =
new vComponent($dav_object->caldav_data);
343 $expanded = getVCalendarRange($vResource);
344 if ( !$expanded->overlaps($range_filter) )
continue;
346 $expanded = expand_event_instances($vResource, $expand_range_start, $expand_range_end, $expand_as_floating );
348 if ( $expanded->ComponentCount() == 0 )
continue;
349 if ( $need_expansion ) $dav_object->caldav_data = $expanded->Render();
351 else if ( isset($range_filter) ) {
352 $vResource =
new vComponent($dav_object->caldav_data);
353 $expanded = getVCalendarRange($vResource);
354 dbg_error_log(
'calquery',
'Expanded to %s:%s which might overlap %s:%s',
355 $expanded->from, $expanded->until, $range_filter->from, $range_filter->until );
356 if ( !$expanded->overlaps($range_filter) )
continue;
358 $responses[] = component_to_xml( $properties, $dav_object );
361 catch( Exception $e ) {
362 dbg_error_log(
'ERROR',
'Exception handling "%s" - skipping', $dav_object->dav_name);
367 $multistatus =
new XMLElement(
"multistatus", $responses, $reply->GetXmlNsArray() );
369 $request->XMLResponse( 207, $multistatus );