1: 2: 3: 4: 5: 6: 7: 8: 9: 10: 11: 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: 22: 23: 24: 25: 26: 27: 28: 29: 30: 31: 32: 33: 34: 35: 36: 37: 38: 39: 40: 41: 42: 43: 44: 45: 46: 47: 48: 49: 50: 51: 52: 53: 54: 55: 56: 57: 58: 59: 60: 61: 62: 63: 64: 65: 66: 67: 68: 69: 70: 71: 72: 73: 74: 75: 76: 77: 78: 79: 80: 81: 82: 83: 84: 85: 86: 87: 88: 89: 90: 91: 92: 93: 94: 95: 96: 97: 98: 99: 100: 101: 102: 103: 104: 105: 106: 107: 108: 109: 110: 111: 112: 113: 114: 115: 116: 117: 118: 119: 120: 121: 122: 123: 124: 125: 126: 127: 128: 129: 130: 131: 132: 133: 134: 135: 136: 137: 138: 139: 140: 141: 142: 143: 144: 145: 146: 147: 148: 149: 150: 151: 152: 153: 154: 155: 156: 157: 158: 159: 160: 161: 162: 163: 164: 165: 166: 167: 168: 169: 170: 171: 172: 173: 174: 175: 176: 177: 178: 179: 180: 181: 182: 183: 184: 185: 186: 187: 188: 189: 190: 191: 192: 193: 194: 195: 196: 197: 198: 199: 200: 201: 202: 203: 204: 205: 206: 207: 208: 209: 210: 211: 212: 213: 214: 215: 216: 217: 218: 219: 220: 221: 222: 223: 224: 225: 226: 227: 228: 229: 230: 231: 232: 233: 234: 235: 236: 237: 238: 239: 240: 241: 242: 243: 244: 245: 246: 247: 248: 249: 250: 251: 252: 253: 254: 255: 256: 257: 258: 259: 260: 261: 262: 263: 264: 265: 266: 267: 268: 269: 270: 271: 272: 273: 274: 275: 276: 277: 278: 279: 280: 281: 282: 283: 284: 285: 286: 287: 288: 289: 290: 291: 292: 293: 294: 295: 296: 297: 298: 299: 300: 301: 302: 303: 304: 305: 306: 307: 308: 309: 310: 311: 312: 313: 314: 315: 316: 317: 318: 319: 320: 321: 322: 323: 324: 325: 326: 327: 328: 329: 330: 331: 332: 333: 334: 335: 336: 337: 338: 339: 340: 341: 342: 343: 344: 345: 346: 347: 348: 349: 350: 351: 352: 353: 354: 355: 356: 357: 358: 359: 360: 361: 362: 363: 364: 365: 366: 367: 368: 369: 370:
<?php
include_once('vCalendar.php');
$qry_content = $xmltree->GetContent('urn:ietf:params:xml:ns:caldav:calendar-query');
$properties = array();
$include_properties = array();
$need_expansion = false;
while (list($idx, $qqq) = each($qry_content))
{
$proptype = $qry_content[$idx]->GetNSTag();
switch( $proptype ) {
case 'DAV::prop':
$qry_props = $xmltree->GetPath('/urn:ietf:params:xml:ns:caldav:calendar-query/'.$proptype.'/*');
foreach( $qry_content[$idx]->GetElements() AS $k => $v ) {
$propertyname = $v->GetNSTag();
$properties[$propertyname] = 1;
if ( $propertyname == 'urn:ietf:params:xml:ns:caldav:calendar-data' ) check_for_expansion($v);
}
break;
case 'DAV::allprop':
$properties['DAV::allprop'] = 1;
if ( $qry_content[$idx]->GetNSTag() == 'DAV::include' ) {
foreach( $qry_content[$idx]->GetElements() AS $k => $v ) {
$include_properties[] = $v->GetNSTag();
if ( $v->GetNSTag() == 'urn:ietf:params:xml:ns:caldav:calendar-data' ) check_for_expansion($v);
}
}
break;
}
}
if ( empty($properties) ) $properties['DAV::allprop'] = 1;
$qry_filters = $xmltree->GetPath('/urn:ietf:params:xml:ns:caldav:calendar-query/urn:ietf:params:xml:ns:caldav:filter/*');
if ( count($qry_filters) != 1 ) $qry_filters = false;
function calquery_apply_filter( $filters, $item ) {
global $session, $c, $request;
if ( count($filters) == 0 ) return true;
dbg_error_log("calquery","Applying filter for item '%s'", $item->dav_name );
$ical = new vCalendar( $item->caldav_data );
return $ical->StartFilter($filters);
}
$need_post_filter = false;
$range_filter = null;
$parameter_match_num = 0;
function SqlFilterFragment( $filter, $components, $property = null, $parameter = null) {
global $need_post_filter, $range_filter, $target_collection, $parameter_match_num;
$sql = "";
$params = array();
if ( !is_array($filter) ) {
dbg_error_log( "calquery", "Filter is of type '%s', but should be an array of XML Tags.", gettype($filter) );
}
foreach( $filter AS $k => $v ) {
$tag = $v->GetNSTag();
dbg_error_log("calquery", "Processing $tag into SQL - %d, '%s', %d\n", count($components), $property, isset($parameter) );
$not_defined = "";
switch( $tag ) {
case 'urn:ietf:params:xml:ns:caldav:is-not-defined':
$not_defined = "not-";
case 'urn:ietf:params:xml:ns:caldav:is-defined':
if ( isset( $parameter ) ) {
$need_post_filter = true;
dbg_error_log("calquery", "Could not handle 'is-%sdefined' on property %s, parameter %s in SQL", $not_defined, $property, $parameter );
return false;
}
if ( isset( $property ) ) {
switch( $property ) {
case 'created':
case 'completed':
case 'dtend':
case 'dtstamp':
case 'dtstart':
if ( ! $target_collection->IsSchedulingCollection() ) {
$property_defined_match = "IS NOT NULL";
}
break;
case 'priority':
$property_defined_match = "IS NOT NULL";
break;
default:
$property_defined_match = "LIKE '_%'";
}
$sql .= sprintf( "AND %s %s%s ", $property, $not_defined, $property_defined_match );
}
break;
case 'urn:ietf:params:xml:ns:caldav:time-range':
$start_column = ($components[sizeof($components)-1] == 'VTODO' ? "due" : 'dtend');
$finish_column = 'dtstart';
$start = $v->GetAttribute("start");
$finish = $v->GetAttribute("end");
$start_sql = $finish_sql = '';
if ( isset($start) ) {
$params[':time_range_start'] = $start;
$start_sql .= ' (('.$start_column.' IS NULL AND '.$finish_column.' > :time_range_start) OR '.$start_column.' > :time_range_start) ';
}
if ( isset($finish) ) {
$params[':time_range_end'] = $finish;
$finish_sql = ' '.$finish_column.' < :time_range_end ';
}
if ( isset($start) || isset($finish) ) {
$sql .= ' AND (rrule IS NOT NULL OR '.$finish_column.' IS NULL OR (';
if ( isset($start) ) $sql .= $start_sql;
if ( isset($start) && isset($finish) ) $sql .= ' AND ';
if ( isset($finish) ) $sql .= $finish_sql;
$sql .= '))';
}
@dbg_error_log('calquery', 'filter-sql: %s', $sql);
@dbg_error_log('calquery', 'time-range-start: %s, time-range-end: %s, ', $params[':time_range_start'], $params[':time_range_end']);
$range_filter = new RepeatRuleDateRange((empty($start) ? null : new RepeatRuleDateTime($start)),
(empty($finish)? null : new RepeatRuleDateTime($finish)));
break;
case 'urn:ietf:params:xml:ns:caldav:text-match':
$search = $v->GetContent();
$negate = $v->GetAttribute("negate-condition");
$collation = $v->GetAttribute("collation");
switch( strtolower($collation) ) {
case 'i;octet':
$comparison = 'LIKE';
break;
case 'i;ascii-casemap':
default:
$comparison = 'ILIKE';
break;
}
$params[':text_match_'.$parameter_match_num] = '%'.$search.'%';
$fragment = sprintf( 'AND (%s%s %s :text_match_%s) ',
(isset($negate) && strtolower($negate) == "yes" ? $property.' IS NULL OR NOT ': ''),
$property, $comparison, $parameter_match_num );
$parameter_match_num++;
dbg_error_log('calquery', ' text-match: %s', $fragment );
$sql .= $fragment;
break;
case 'urn:ietf:params:xml:ns:caldav:comp-filter':
$comp_filter_name = $v->GetAttribute("name");
if ( $comp_filter_name != 'VCALENDAR' && count($components) == 0 ) {
$sql .= "AND caldav_data.caldav_type = :component_name_filter ";
$params[':component_name_filter'] = $comp_filter_name;
$components[] = $comp_filter_name;
}
$subfilter = $v->GetContent();
if ( is_array( $subfilter ) ) {
$success = SqlFilterFragment( $subfilter, $components, $property, $parameter );
if ( $success === false ) continue; else {
$sql .= $success['sql'];
$params = array_merge( $params, $success['params'] );
}
}
break;
case 'urn:ietf:params:xml:ns:caldav:prop-filter':
$propertyname = $v->GetAttribute("name");
switch( $propertyname ) {
case 'PERCENT-COMPLETE':
$subproperty = 'percent_complete';
break;
case 'UID':
case 'SUMMARY':
case 'DESCRIPTION':
case 'CLASS':
case 'TRANSP':
case 'RRULE':
case 'URL':
case 'STATUS':
case 'CREATED':
case 'DTSTAMP':
case 'DTSTART':
case 'DTEND':
case 'DUE':
case 'PRIORITY':
$subproperty = 'calendar_item.'.strtolower($propertyname);
break;
case 'COMPLETED':
default:
$need_post_filter = true;
unset($subproperty);
dbg_error_log("calquery", "Could not handle 'prop-filter' on %s in SQL", $propertyname );
continue;
}
if ( isset($subproperty) ) {
$subfilter = $v->GetContent();
$success = SqlFilterFragment( $subfilter, $components, $subproperty, $parameter );
if ( $success === false ) continue; else {
$sql .= $success['sql'];
$params = array_merge( $params, $success['params'] );
}
}
break;
case 'urn:ietf:params:xml:ns:caldav:param-filter':
$need_post_filter = true;
return false;
$parameter = $v->GetAttribute("name");
$subfilter = $v->GetContent();
$success = SqlFilterFragment( $subfilter, $components, $property, $parameter );
if ( $success === false ) continue; else {
$sql .= $success['sql'];
$params = array_merge( $params, $success['params'] );
}
break;
default:
dbg_error_log("calquery", "Could not handle unknown tag '%s' in calendar query report", $tag );
break;
}
}
dbg_error_log("calquery", "Generated SQL was '%s'", $sql );
return array( 'sql' => $sql, 'params' => $params );
}
function BuildSqlFilter( $filter ) {
$components = array();
if ( $filter->GetNSTag() == "urn:ietf:params:xml:ns:caldav:comp-filter" && $filter->GetAttribute("name") == "VCALENDAR" )
$filter = $filter->GetContent();
else {
dbg_error_log("calquery", "Got bizarre CALDAV:FILTER[%s=%s]] which does not contain comp-filter = VCALENDAR!!", $filter->GetNSTag(), $filter->GetAttribute("name") );
}
return SqlFilterFragment( $filter, $components );
}
$responses = array();
$target_collection = new DAVResource($request->path);
$bound_from = $target_collection->bound_from();
if ( !$target_collection->Exists() ) {
$request->DoResponse( 404 );
}
$params = array();
if ( ! ($target_collection->IsCalendar() || $target_collection->IsSchedulingCollection()) ) {
if ( !(isset($c->allow_recursive_report) && $c->allow_recursive_report) ) {
$request->DoResponse( 403, translate('The calendar-query report must be run against a calendar or a scheduling collection') );
}
else if ( $request->path == '/' || $target_collection->IsPrincipal() || $target_collection->IsAddressbook() ) {
$request->DoResponse( 403, translate('The calendar-query report may not be run against that URL.') );
}
$where = 'WHERE caldav_data.collection_id IN ';
$where .= '(SELECT bound_source_id FROM dav_binding WHERE dav_binding.dav_name ~ :path_match ';
$where .= 'UNION ';
$where .= 'SELECT collection_id FROM collection WHERE collection.dav_name ~ :path_match) ';
$distinct = 'DISTINCT ON (calendar_item.uid) ';
$params[':path_match'] = '^'.$target_collection->bound_from();
}
else {
$where = ' WHERE caldav_data.collection_id = ' . $target_collection->resource_id();
$distinct = '';
}
if ( is_array($qry_filters) ) {
dbg_log_array( "calquery", "qry_filters", $qry_filters, true );
$components = array();
$filter_fragment = SqlFilterFragment( $qry_filters, $components );
if ( $filter_fragment !== false ) {
$where .= ' '.$filter_fragment['sql'];
$params = array_merge( $params, $filter_fragment['params']);
}
}
if ( $target_collection->Privileges() != privilege_to_bits('DAV::all') ) {
$where .= " AND (calendar_item.class != 'PRIVATE' OR calendar_item.class IS NULL) ";
}
if ( isset($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') ) {
$where .= " AND caldav_data.caldav_type NOT IN ('VTODO') ";
}
if ( isset($c->hide_older_than) && intval($c->hide_older_than > 0) ) {
$where .= " AND (CASE WHEN caldav_data.caldav_type<>'VEVENT' OR calendar_item.dtstart IS NULL OR calendar_item.rrule IS NOT NULL THEN true ELSE calendar_item.dtstart > (now() - interval '".intval($c->hide_older_than)." days') END) ";
}
$sql = 'SELECT '.$distinct.' caldav_data.*,calendar_item.* FROM collection INNER JOIN caldav_data USING(collection_id) INNER JOIN calendar_item USING(dav_id) '. $where;
if ( isset($c->strict_result_ordering) && $c->strict_result_ordering ) $sql .= " ORDER BY caldav_data.dav_id";
$qry = new AwlQuery( $sql, $params );
if ( $qry->Exec("calquery",__LINE__,__FILE__) && $qry->rows() > 0 ) {
while( $dav_object = $qry->Fetch() ) {
try {
if ( !$need_post_filter || calquery_apply_filter( $qry_filters, $dav_object ) ) {
if ( $bound_from != $target_collection->dav_name() ) {
$dav_object->dav_name = str_replace( $bound_from, $target_collection->dav_name(), $dav_object->dav_name);
}
if ( $need_expansion ) {
$vResource = new vComponent($dav_object->caldav_data);
$expanded = getVCalendarRange($vResource);
if ( !$expanded->overlaps($range_filter) ) continue;
$expanded = expand_event_instances($vResource, $expand_range_start, $expand_range_end, $expand_as_floating );
if ( $expanded->ComponentCount() == 0 ) continue;
if ( $need_expansion ) $dav_object->caldav_data = $expanded->Render();
}
else if ( isset($range_filter) ) {
$vResource = new vComponent($dav_object->caldav_data);
$expanded = getVCalendarRange($vResource);
dbg_error_log('calquery', 'Expanded to %s:%s which might overlap %s:%s',
$expanded->from, $expanded->until, $range_filter->from, $range_filter->until );
if ( !$expanded->overlaps($range_filter) ) continue;
}
$responses[] = component_to_xml( $properties, $dav_object );
}
}
catch( Exception $e ) {
dbg_error_log( 'ERROR', 'Exception handling "%s" - skipping', $dav_object->dav_name);
}
}
}
$multistatus = new XMLElement( "multistatus", $responses, $reply->GetXmlNsArray() );
$request->XMLResponse( 207, $multistatus );