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diff --git a/3rdparty/Sabre/CalDAV/Plugin.php b/3rdparty/Sabre/CalDAV/Plugin.php
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-<?php
-
-/**
- * CalDAV plugin
- *
- * This plugin provides functionality added by CalDAV (RFC 4791)
- * It implements new reports, and the MKCALENDAR method.
- *
- * @package Sabre
- * @subpackage CalDAV
- * @copyright Copyright (C) 2007-2011 Rooftop Solutions. All rights reserved.
- * @author Evert Pot (http://www.rooftopsolutions.nl/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
- */
-class Sabre_CalDAV_Plugin extends Sabre_DAV_ServerPlugin {
-
- /**
- * This is the official CalDAV namespace
- */
- const NS_CALDAV = 'urn:ietf:params:xml:ns:caldav';
-
- /**
- * This is the namespace for the proprietary calendarserver extensions
- */
- const NS_CALENDARSERVER = 'http://calendarserver.org/ns/';
-
- /**
- * The following constants are used to differentiate
- * the various filters for the calendar-query report
- */
- const FILTER_COMPFILTER = 1;
- const FILTER_TIMERANGE = 3;
- const FILTER_PROPFILTER = 4;
- const FILTER_PARAMFILTER = 5;
- const FILTER_TEXTMATCH = 6;
-
- /**
- * The hardcoded root for calendar objects. It is unfortunate
- * that we're stuck with it, but it will have to do for now
- */
- const CALENDAR_ROOT = 'calendars';
-
- /**
- * Reference to server object
- *
- * @var Sabre_DAV_Server
- */
- private $server;
-
- /**
- * Use this method to tell the server this plugin defines additional
- * HTTP methods.
- *
- * This method is passed a uri. It should only return HTTP methods that are
- * available for the specified uri.
- *
- * @param string $uri
- * @return array
- */
- public function getHTTPMethods($uri) {
-
- // The MKCALENDAR is only available on unmapped uri's, whose
- // parents extend IExtendedCollection
- list($parent, $name) = Sabre_DAV_URLUtil::splitPath($uri);
-
- $node = $this->server->tree->getNodeForPath($parent);
-
- if ($node instanceof Sabre_DAV_IExtendedCollection) {
- try {
- $node->getChild($name);
- } catch (Sabre_DAV_Exception_FileNotFound $e) {
- return array('MKCALENDAR');
- }
- }
- return array();
-
- }
-
- /**
- * Returns a list of features for the DAV: HTTP header.
- *
- * @return array
- */
- public function getFeatures() {
-
- return array('calendar-access', 'calendar-proxy');
-
- }
-
- /**
- * Returns a plugin name.
- *
- * Using this name other plugins will be able to access other plugins
- * using Sabre_DAV_Server::getPlugin
- *
- * @return string
- */
- public function getPluginName() {
-
- return 'caldav';
-
- }
-
- /**
- * Returns a list of reports this plugin supports.
- *
- * This will be used in the {DAV:}supported-report-set property.
- * Note that you still need to subscribe to the 'report' event to actually
- * implement them
- *
- * @param string $uri
- * @return array
- */
- public function getSupportedReportSet($uri) {
-
- $node = $this->server->tree->getNodeForPath($uri);
- if ($node instanceof Sabre_CalDAV_ICalendar || $node instanceof Sabre_CalDAV_ICalendarObject) {
- return array(
- '{' . self::NS_CALDAV . '}calendar-multiget',
- '{' . self::NS_CALDAV . '}calendar-query',
- );
- }
- return array();
-
- }
-
- /**
- * Initializes the plugin
- *
- * @param Sabre_DAV_Server $server
- * @return void
- */
- public function initialize(Sabre_DAV_Server $server) {
-
- $this->server = $server;
- $server->subscribeEvent('unknownMethod',array($this,'unknownMethod'));
- //$server->subscribeEvent('unknownMethod',array($this,'unknownMethod2'),1000);
- $server->subscribeEvent('report',array($this,'report'));
- $server->subscribeEvent('beforeGetProperties',array($this,'beforeGetProperties'));
-
- $server->xmlNamespaces[self::NS_CALDAV] = 'cal';
- $server->xmlNamespaces[self::NS_CALENDARSERVER] = 'cs';
-
- $server->propertyMap['{' . self::NS_CALDAV . '}supported-calendar-component-set'] = 'Sabre_CalDAV_Property_SupportedCalendarComponentSet';
-
- $server->resourceTypeMapping['Sabre_CalDAV_ICalendar'] = '{urn:ietf:params:xml:ns:caldav}calendar';
- $server->resourceTypeMapping['Sabre_CalDAV_Principal_ProxyRead'] = '{http://calendarserver.org/ns/}calendar-proxy-read';
- $server->resourceTypeMapping['Sabre_CalDAV_Principal_ProxyWrite'] = '{http://calendarserver.org/ns/}calendar-proxy-write';
-
- array_push($server->protectedProperties,
-
- '{' . self::NS_CALDAV . '}supported-calendar-component-set',
- '{' . self::NS_CALDAV . '}supported-calendar-data',
- '{' . self::NS_CALDAV . '}max-resource-size',
- '{' . self::NS_CALDAV . '}min-date-time',
- '{' . self::NS_CALDAV . '}max-date-time',
- '{' . self::NS_CALDAV . '}max-instances',
- '{' . self::NS_CALDAV . '}max-attendees-per-instance',
- '{' . self::NS_CALDAV . '}calendar-home-set',
- '{' . self::NS_CALDAV . '}supported-collation-set',
- '{' . self::NS_CALDAV . '}calendar-data',
-
- // scheduling extension
- '{' . self::NS_CALDAV . '}calendar-user-address-set',
-
- // CalendarServer extensions
- '{' . self::NS_CALENDARSERVER . '}getctag',
- '{' . self::NS_CALENDARSERVER . '}calendar-proxy-read-for',
- '{' . self::NS_CALENDARSERVER . '}calendar-proxy-write-for'
-
- );
- }
-
- /**
- * This function handles support for the MKCALENDAR method
- *
- * @param string $method
- * @return bool
- */
- public function unknownMethod($method, $uri) {
-
- if ($method!=='MKCALENDAR') return;
-
- $this->httpMkCalendar($uri);
- // false is returned to stop the unknownMethod event
- return false;
-
- }
-
- /**
- * This functions handles REPORT requests specific to CalDAV
- *
- * @param string $reportName
- * @param DOMNode $dom
- * @return bool
- */
- public function report($reportName,$dom) {
-
- switch($reportName) {
- case '{'.self::NS_CALDAV.'}calendar-multiget' :
- $this->calendarMultiGetReport($dom);
- return false;
- case '{'.self::NS_CALDAV.'}calendar-query' :
- $this->calendarQueryReport($dom);
- return false;
-
- }
-
-
- }
-
- /**
- * This function handles the MKCALENDAR HTTP method, which creates
- * a new calendar.
- *
- * @param string $uri
- * @return void
- */
- public function httpMkCalendar($uri) {
-
- // Due to unforgivable bugs in iCal, we're completely disabling MKCALENDAR support
- // for clients matching iCal in the user agent
- //$ua = $this->server->httpRequest->getHeader('User-Agent');
- //if (strpos($ua,'iCal/')!==false) {
- // throw new Sabre_DAV_Exception_Forbidden('iCal has major bugs in it\'s RFC3744 support. Therefore we are left with no other choice but disabling this feature.');
- //}
-
- $body = $this->server->httpRequest->getBody(true);
- $properties = array();
-
- if ($body) {
-
- $dom = Sabre_DAV_XMLUtil::loadDOMDocument($body);
-
- foreach($dom->firstChild->childNodes as $child) {
-
- if (Sabre_DAV_XMLUtil::toClarkNotation($child)!=='{DAV:}set') continue;
- foreach(Sabre_DAV_XMLUtil::parseProperties($child,$this->server->propertyMap) as $k=>$prop) {
- $properties[$k] = $prop;
- }
-
- }
- }
-
- $resourceType = array('{DAV:}collection','{urn:ietf:params:xml:ns:caldav}calendar');
-
- $this->server->createCollection($uri,$resourceType,$properties);
-
- $this->server->httpResponse->sendStatus(201);
- $this->server->httpResponse->setHeader('Content-Length',0);
- }
-
- /**
- * beforeGetProperties
- *
- * This method handler is invoked before any after properties for a
- * resource are fetched. This allows us to add in any CalDAV specific
- * properties.
- *
- * @param string $path
- * @param Sabre_DAV_INode $node
- * @param array $requestedProperties
- * @param array $returnedProperties
- * @return void
- */
- public function beforeGetProperties($path, Sabre_DAV_INode $node, &$requestedProperties, &$returnedProperties) {
-
- if ($node instanceof Sabre_DAVACL_IPrincipal) {
-
- // calendar-home-set property
- $calHome = '{' . self::NS_CALDAV . '}calendar-home-set';
- if (in_array($calHome,$requestedProperties)) {
- $principalId = $node->getName();
- $calendarHomePath = self::CALENDAR_ROOT . '/' . $principalId . '/';
- unset($requestedProperties[$calHome]);
- $returnedProperties[200][$calHome] = new Sabre_DAV_Property_Href($calendarHomePath);
- }
-
- // calendar-user-address-set property
- $calProp = '{' . self::NS_CALDAV . '}calendar-user-address-set';
- if (in_array($calProp,$requestedProperties)) {
-
- $addresses = $node->getAlternateUriSet();
- $addresses[] = $this->server->getBaseUri() . $node->getPrincipalUrl();
- unset($requestedProperties[$calProp]);
- $returnedProperties[200][$calProp] = new Sabre_DAV_Property_HrefList($addresses, false);
-
- }
-
- // These two properties are shortcuts for ical to easily find
- // other principals this principal has access to.
- $propRead = '{' . self::NS_CALENDARSERVER . '}calendar-proxy-read-for';
- $propWrite = '{' . self::NS_CALENDARSERVER . '}calendar-proxy-write-for';
- if (in_array($propRead,$requestedProperties) || in_array($propWrite,$requestedProperties)) {
-
- $membership = $node->getGroupMembership();
- $readList = array();
- $writeList = array();
-
- foreach($membership as $group) {
-
- $groupNode = $this->server->tree->getNodeForPath($group);
-
- // If the node is either ap proxy-read or proxy-write
- // group, we grab the parent principal and add it to the
- // list.
- if ($groupNode instanceof Sabre_CalDAV_Principal_ProxyRead) {
- list($readList[]) = Sabre_DAV_URLUtil::splitPath($group);
- }
- if ($groupNode instanceof Sabre_CalDAV_Principal_ProxyWrite) {
- list($writeList[]) = Sabre_DAV_URLUtil::splitPath($group);
- }
-
- }
- if (in_array($propRead,$requestedProperties)) {
- unset($requestedProperties[$propRead]);
- $returnedProperties[200][$propRead] = new Sabre_DAV_Property_HrefList($readList);
- }
- if (in_array($propWrite,$requestedProperties)) {
- unset($requestedProperties[$propWrite]);
- $returnedProperties[200][$propWrite] = new Sabre_DAV_Property_HrefList($writeList);
- }
-
- }
-
- } // instanceof IPrincipal
-
-
- if ($node instanceof Sabre_CalDAV_ICalendarObject) {
- // The calendar-data property is not supposed to be a 'real'
- // property, but in large chunks of the spec it does act as such.
- // Therefore we simply expose it as a property.
- $calDataProp = '{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}calendar-data';
- if (in_array($calDataProp, $requestedProperties)) {
- unset($requestedProperties[$calDataProp]);
- $val = $node->get();
- if (is_resource($val))
- $val = stream_get_contents($val);
-
- // Taking out \r to not screw up the xml output
- $returnedProperties[200][$calDataProp] = str_replace("\r","", $val);
-
- }
- }
-
- }
-
- /**
- * This function handles the calendar-multiget REPORT.
- *
- * This report is used by the client to fetch the content of a series
- * of urls. Effectively avoiding a lot of redundant requests.
- *
- * @param DOMNode $dom
- * @return void
- */
- public function calendarMultiGetReport($dom) {
-
- $properties = array_keys(Sabre_DAV_XMLUtil::parseProperties($dom->firstChild));
-
- $hrefElems = $dom->getElementsByTagNameNS('urn:DAV','href');
- foreach($hrefElems as $elem) {
- $uri = $this->server->calculateUri($elem->nodeValue);
- list($objProps) = $this->server->getPropertiesForPath($uri,$properties);
- $propertyList[]=$objProps;
-
- }
-
- $this->server->httpResponse->sendStatus(207);
- $this->server->httpResponse->setHeader('Content-Type','application/xml; charset=utf-8');
- $this->server->httpResponse->sendBody($this->server->generateMultiStatus($propertyList));
-
- }
-
- /**
- * This function handles the calendar-query REPORT
- *
- * This report is used by clients to request calendar objects based on
- * complex conditions.
- *
- * @param DOMNode $dom
- * @return void
- */
- public function calendarQueryReport($dom) {
-
- $requestedProperties = array_keys(Sabre_DAV_XMLUtil::parseProperties($dom->firstChild));
-
- $filterNode = $dom->getElementsByTagNameNS('urn:ietf:params:xml:ns:caldav','filter');
- if ($filterNode->length!==1) {
- throw new Sabre_DAV_Exception_BadRequest('The calendar-query report must have a filter element');
- }
- $filters = Sabre_CalDAV_XMLUtil::parseCalendarQueryFilters($filterNode->item(0));
-
- $requestedCalendarData = true;
-
- if (!in_array('{urn:ietf:params:xml:ns:caldav}calendar-data', $requestedProperties)) {
- // We always retrieve calendar-data, as we need it for filtering.
- $requestedProperties[] = '{urn:ietf:params:xml:ns:caldav}calendar-data';
-
- // If calendar-data wasn't explicitly requested, we need to remove
- // it after processing.
- $requestedCalendarData = false;
- }
-
- // These are the list of nodes that potentially match the requirement
- $candidateNodes = $this->server->getPropertiesForPath($this->server->getRequestUri(),$requestedProperties,$this->server->getHTTPDepth(0));
-
- $verifiedNodes = array();
-
- foreach($candidateNodes as $node) {
-
- // If the node didn't have a calendar-data property, it must not be a calendar object
- if (!isset($node[200]['{urn:ietf:params:xml:ns:caldav}calendar-data'])) continue;
-
- if ($this->validateFilters($node[200]['{urn:ietf:params:xml:ns:caldav}calendar-data'],$filters)) {
-
- if (!$requestedCalendarData) {
- unset($node[200]['{urn:ietf:params:xml:ns:caldav}calendar-data']);
- }
- $verifiedNodes[] = $node;
- }
-
- }
-
- $this->server->httpResponse->sendStatus(207);
- $this->server->httpResponse->setHeader('Content-Type','application/xml; charset=utf-8');
- $this->server->httpResponse->sendBody($this->server->generateMultiStatus($verifiedNodes));
-
- }
-
-
- /**
- * Verify if a list of filters applies to the calendar data object
- *
- * The calendarData object must be a valid iCalendar blob. The list of
- * filters must be formatted as parsed by Sabre_CalDAV_Plugin::parseCalendarQueryFilters
- *
- * @param string $calendarData
- * @param array $filters
- * @return bool
- */
- public function validateFilters($calendarData,$filters) {
-
- // We are converting the calendar object to an XML structure
- // This makes it far easier to parse
- $xCalendarData = Sabre_CalDAV_ICalendarUtil::toXCal($calendarData);
- $xml = simplexml_load_string($xCalendarData);
- $xml->registerXPathNamespace('c','urn:ietf:params:xml:ns:xcal');
-
- foreach($filters as $xpath=>$filter) {
-
- // if-not-defined comes first
- if (isset($filter['is-not-defined'])) {
- if (!$xml->xpath($xpath))
- continue;
- else
- return false;
-
- }
-
- $elem = $xml->xpath($xpath);
-
- if (!$elem) return false;
- $elem = $elem[0];
-
- if (isset($filter['time-range'])) {
-
- switch($elem->getName()) {
- case 'vevent' :
- $result = $this->validateTimeRangeFilterForEvent($xml,$xpath,$filter);
- if ($result===false) return false;
- break;
- case 'vtodo' :
- $result = $this->validateTimeRangeFilterForTodo($xml,$xpath,$filter);
- if ($result===false) return false;
- break;
- case 'vjournal' :
- case 'vfreebusy' :
- case 'valarm' :
- // TODO: not implemented
- break;
-
- /*
-
- case 'vjournal' :
- $result = $this->validateTimeRangeFilterForJournal($xml,$xpath,$filter);
- if ($result===false) return false;
- break;
- case 'vfreebusy' :
- $result = $this->validateTimeRangeFilterForFreeBusy($xml,$xpath,$filter);
- if ($result===false) return false;
- break;
- case 'valarm' :
- $result = $this->validateTimeRangeFilterForAlarm($xml,$xpath,$filter);
- if ($result===false) return false;
- break;
-
- */
-
- }
-
- }
-
- if (isset($filter['text-match'])) {
- $currentString = (string)$elem;
-
- $isMatching = Sabre_DAV_StringUtil::textMatch($currentString, $filter['text-match']['value'], $filter['text-match']['collation']);
- if ($filter['text-match']['negate-condition'] && $isMatching) return false;
- if (!$filter['text-match']['negate-condition'] && !$isMatching) return false;
-
- }
-
- }
- return true;
-
- }
-
- /**
- * Checks whether a time-range filter matches an event.
- *
- * @param SimpleXMLElement $xml Event as xml object
- * @param string $currentXPath XPath to check
- * @param array $currentFilter Filter information
- * @return void
- */
- private function validateTimeRangeFilterForEvent(SimpleXMLElement $xml,$currentXPath,array $currentFilter) {
-
- // Grabbing the DTSTART property
- $xdtstart = $xml->xpath($currentXPath.'/c:dtstart');
- if (!count($xdtstart)) {
- throw new Sabre_DAV_Exception_BadRequest('DTSTART property missing from calendar object');
- }
-
- // The dtstart can be both a date, or datetime property
- if ((string)$xdtstart[0]['value']==='DATE' || strlen((string)$xdtstart[0])===8) {
- $isDateTime = false;
- } else {
- $isDateTime = true;
- }
-
- // Determining the timezone
- if ($tzid = (string)$xdtstart[0]['tzid']) {
- $tz = new DateTimeZone($tzid);
- } else {
- $tz = null;
- }
- if ($isDateTime) {
- $dtstart = Sabre_CalDAV_XMLUtil::parseICalendarDateTime((string)$xdtstart[0],$tz);
- } else {
- $dtstart = Sabre_CalDAV_XMLUtil::parseICalendarDate((string)$xdtstart[0]);
- }
-
-
- // Grabbing the DTEND property
- $xdtend = $xml->xpath($currentXPath.'/c:dtend');
- $dtend = null;
-
- if (count($xdtend)) {
- // Determining the timezone
- if ($tzid = (string)$xdtend[0]['tzid']) {
- $tz = new DateTimeZone($tzid);
- } else {
- $tz = null;
- }
-
- // Since the VALUE prameter of both DTSTART and DTEND must be the same
- // we can assume we don't need to check the VALUE paramter of DTEND.
- if ($isDateTime) {
- $dtend = Sabre_CalDAV_XMLUtil::parseICalendarDateTime((string)$xdtend[0],$tz);
- } else {
- $dtend = Sabre_CalDAV_XMLUtil::parseICalendarDate((string)$xdtend[0],$tz);
- }
-
- }
-
- if (is_null($dtend)) {
- // The DTEND property was not found. We will first see if the event has a duration
- // property
-
- $xduration = $xml->xpath($currentXPath.'/c:duration');
- if (count($xduration)) {
- $duration = Sabre_CalDAV_XMLUtil::parseICalendarDuration((string)$xduration[0]);
-
- // Making sure that the duration is bigger than 0 seconds.
- $tempDT = clone $dtstart;
- $tempDT->modify($duration);
- if ($tempDT > $dtstart) {
-
- // use DTEND = DTSTART + DURATION
- $dtend = $tempDT;
- } else {
- // use DTEND = DTSTART
- $dtend = $dtstart;
- }
-
- }
- }
-
- if (is_null($dtend)) {
- if ($isDateTime) {
- // DTEND = DTSTART
- $dtend = $dtstart;
- } else {
- // DTEND = DTSTART + 1 DAY
- $dtend = clone $dtstart;
- $dtend->modify('+1 day');
- }
- }
- // TODO: we need to properly parse RRULE's, but it's very difficult.
- // For now, we're always returning events if they have an RRULE at all.
- $rrule = $xml->xpath($currentXPath.'/c:rrule');
- $hasRrule = (count($rrule))>0;
-
- if (!is_null($currentFilter['time-range']['start']) && $currentFilter['time-range']['start'] >= $dtend) return false;
- if (!is_null($currentFilter['time-range']['end']) && $currentFilter['time-range']['end'] <= $dtstart && !$hasRrule) return false;
- return true;
-
- }
-
- private function validateTimeRangeFilterForTodo(SimpleXMLElement $xml,$currentXPath,array $filter) {
-
- // Gathering all relevant elements
-
- $dtStart = null;
- $duration = null;
- $due = null;
- $completed = null;
- $created = null;
-
- $xdt = $xml->xpath($currentXPath.'/c:dtstart');
- if (count($xdt)) {
- // The dtstart can be both a date, or datetime property
- if ((string)$xdt[0]['value']==='DATE') {
- $isDateTime = false;
- } else {
- $isDateTime = true;
- }
-
- // Determining the timezone
- if ($tzid = (string)$xdt[0]['tzid']) {
- $tz = new DateTimeZone($tzid);
- } else {
- $tz = null;
- }
- if ($isDateTime) {
- $dtStart = Sabre_CalDAV_XMLUtil::parseICalendarDateTime((string)$xdt[0],$tz);
- } else {
- $dtStart = Sabre_CalDAV_XMLUtil::parseICalendarDate((string)$xdt[0]);
- }
- }
-
- // Only need to grab duration if dtStart is set
- if (!is_null($dtStart)) {
-
- $xduration = $xml->xpath($currentXPath.'/c:duration');
- if (count($xduration)) {
- $duration = Sabre_CalDAV_XMLUtil::parseICalendarDuration((string)$xduration[0]);
- }
-
- }
-
- if (!is_null($dtStart) && !is_null($duration)) {
-
- // Comparision from RFC 4791:
- // (start <= DTSTART+DURATION) AND ((end > DTSTART) OR (end >= DTSTART+DURATION))
-
- $end = clone $dtStart;
- $end->modify($duration);
-
- if( (is_null($filter['time-range']['start']) || $filter['time-range']['start'] <= $end) &&
- (is_null($filter['time-range']['end']) || $filter['time-range']['end'] > $dtStart || $filter['time-range']['end'] >= $end) ) {
- return true;
- } else {
- return false;
- }
-
- }
-
- // Need to grab the DUE property
- $xdt = $xml->xpath($currentXPath.'/c:due');
- if (count($xdt)) {
- // The due property can be both a date, or datetime property
- if ((string)$xdt[0]['value']==='DATE') {
- $isDateTime = false;
- } else {
- $isDateTime = true;
- }
- // Determining the timezone
- if ($tzid = (string)$xdt[0]['tzid']) {
- $tz = new DateTimeZone($tzid);
- } else {
- $tz = null;
- }
- if ($isDateTime) {
- $due = Sabre_CalDAV_XMLUtil::parseICalendarDateTime((string)$xdt[0],$tz);
- } else {
- $due = Sabre_CalDAV_XMLUtil::parseICalendarDate((string)$xdt[0]);
- }
- }
-
- if (!is_null($dtStart) && !is_null($due)) {
-
- // Comparision from RFC 4791:
- // ((start < DUE) OR (start <= DTSTART)) AND ((end > DTSTART) OR (end >= DUE))
-
- if( (is_null($filter['time-range']['start']) || $filter['time-range']['start'] < $due || $filter['time-range']['start'] < $dtstart) &&
- (is_null($filter['time-range']['end']) || $filter['time-range']['end'] >= $due) ) {
- return true;
- } else {
- return false;
- }
-
- }
-
- if (!is_null($dtStart)) {
-
- // Comparision from RFC 4791
- // (start <= DTSTART) AND (end > DTSTART)
- if ( (is_null($filter['time-range']['start']) || $filter['time-range']['start'] <= $dtStart) &&
- (is_null($filter['time-range']['end']) || $filter['time-range']['end'] > $dtStart) ) {
- return true;
- } else {
- return false;
- }
-
- }
-
- if (!is_null($due)) {
-
- // Comparison from RFC 4791
- // (start < DUE) AND (end >= DUE)
- if ( (is_null($filter['time-range']['start']) || $filter['time-range']['start'] < $due) &&
- (is_null($filter['time-range']['end']) || $filter['time-range']['end'] >= $due) ) {
- return true;
- } else {
- return false;
- }
-
- }
- // Need to grab the COMPLETED property
- $xdt = $xml->xpath($currentXPath.'/c:completed');
- if (count($xdt)) {
- $completed = Sabre_CalDAV_XMLUtil::parseICalendarDateTime((string)$xdt[0]);
- }
- // Need to grab the CREATED property
- $xdt = $xml->xpath($currentXPath.'/c:created');
- if (count($xdt)) {
- $created = Sabre_CalDAV_XMLUtil::parseICalendarDateTime((string)$xdt[0]);
- }
-
- if (!is_null($completed) && !is_null($created)) {
- // Comparison from RFC 4791
- // ((start <= CREATED) OR (start <= COMPLETED)) AND ((end >= CREATED) OR (end >= COMPLETED))
- if( (is_null($filter['time-range']['start']) || $filter['time-range']['start'] <= $created || $filter['time-range']['start'] <= $completed) &&
- (is_null($filter['time-range']['end']) || $filter['time-range']['end'] >= $created || $filter['time-range']['end'] >= $completed)) {
- return true;
- } else {
- return false;
- }
- }
-
- if (!is_null($completed)) {
- // Comparison from RFC 4791
- // (start <= COMPLETED) AND (end >= COMPLETED)
- if( (is_null($filter['time-range']['start']) || $filter['time-range']['start'] <= $completed) &&
- (is_null($filter['time-range']['end']) || $filter['time-range']['end'] >= $completed)) {
- return true;
- } else {
- return false;
- }
- }
-
- if (!is_null($created)) {
- // Comparison from RFC 4791
- // (end > CREATED)
- if( (is_null($filter['time-range']['end']) || $filter['time-range']['end'] > $created) ) {
- return true;
- } else {
- return false;
- }
- }
-
- // Everything else is TRUE
- return true;
-
- }
-
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-29 12:47:13 +0000