diff options
Diffstat (limited to 'vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryValidator.php')
| -rw-r--r-- | vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryValidator.php | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryValidator.php b/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryValidator.php deleted file mode 100644 index 494aed1a7..000000000 --- a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryValidator.php +++ /dev/null @@ -1,392 +0,0 @@ -<?php - -namespace Sabre\CalDAV; - -use Sabre\VObject; -use DateTime; - -/** - * CalendarQuery Validator - * - * This class is responsible for checking if an iCalendar object matches a set - * of filters. The main function to do this is 'validate'. - * - * This is used to determine which icalendar objects should be returned for a - * calendar-query REPORT request. - * - * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/). - * @author Evert Pot (http://evertpot.com/) - * @license http://sabre.io/license/ Modified BSD License - */ -class CalendarQueryValidator { - - /** - * Verify if a list of filters applies to the calendar data object - * - * The list of filters must be formatted as parsed by \Sabre\CalDAV\CalendarQueryParser - * - * @param VObject\Component $vObject - * @param array $filters - * @return bool - */ - public function validate(VObject\Component $vObject,array $filters) { - - // The top level object is always a component filter. - // We'll parse it manually, as it's pretty simple. - if ($vObject->name !== $filters['name']) { - return false; - } - - return - $this->validateCompFilters($vObject, $filters['comp-filters']) && - $this->validatePropFilters($vObject, $filters['prop-filters']); - - - } - - /** - * This method checks the validity of comp-filters. - * - * A list of comp-filters needs to be specified. Also the parent of the - * component we're checking should be specified, not the component to check - * itself. - * - * @param VObject\Component $parent - * @param array $filters - * @return bool - */ - protected function validateCompFilters(VObject\Component $parent, array $filters) { - - foreach($filters as $filter) { - - $isDefined = isset($parent->$filter['name']); - - if ($filter['is-not-defined']) { - - if ($isDefined) { - return false; - } else { - continue; - } - - } - if (!$isDefined) { - return false; - } - - if ($filter['time-range']) { - foreach($parent->$filter['name'] as $subComponent) { - if ($this->validateTimeRange($subComponent, $filter['time-range']['start'], $filter['time-range']['end'])) { - continue 2; - } - } - return false; - } - - if (!$filter['comp-filters'] && !$filter['prop-filters']) { - continue; - } - - // If there are sub-filters, we need to find at least one component - // for which the subfilters hold true. - foreach($parent->$filter['name'] as $subComponent) { - - if ( - $this->validateCompFilters($subComponent, $filter['comp-filters']) && - $this->validatePropFilters($subComponent, $filter['prop-filters'])) { - // We had a match, so this comp-filter succeeds - continue 2; - } - - } - - // If we got here it means there were sub-comp-filters or - // sub-prop-filters and there was no match. This means this filter - // needs to return false. - return false; - - } - - // If we got here it means we got through all comp-filters alive so the - // filters were all true. - return true; - - } - - /** - * This method checks the validity of prop-filters. - * - * A list of prop-filters needs to be specified. Also the parent of the - * property we're checking should be specified, not the property to check - * itself. - * - * @param VObject\Component $parent - * @param array $filters - * @return bool - */ - protected function validatePropFilters(VObject\Component $parent, array $filters) { - - foreach($filters as $filter) { - - $isDefined = isset($parent->$filter['name']); - - if ($filter['is-not-defined']) { - - if ($isDefined) { - return false; - } else { - continue; - } - - } - if (!$isDefined) { - return false; - } - - if ($filter['time-range']) { - foreach($parent->$filter['name'] as $subComponent) { - if ($this->validateTimeRange($subComponent, $filter['time-range']['start'], $filter['time-range']['end'])) { - continue 2; - } - } - return false; - } - - if (!$filter['param-filters'] && !$filter['text-match']) { - continue; - } - - // If there are sub-filters, we need to find at least one property - // for which the subfilters hold true. - foreach($parent->$filter['name'] as $subComponent) { - - if( - $this->validateParamFilters($subComponent, $filter['param-filters']) && - (!$filter['text-match'] || $this->validateTextMatch($subComponent, $filter['text-match'])) - ) { - // We had a match, so this prop-filter succeeds - continue 2; - } - - } - - // If we got here it means there were sub-param-filters or - // text-match filters and there was no match. This means the - // filter needs to return false. - return false; - - } - - // If we got here it means we got through all prop-filters alive so the - // filters were all true. - return true; - - } - - /** - * This method checks the validity of param-filters. - * - * A list of param-filters needs to be specified. Also the parent of the - * parameter we're checking should be specified, not the parameter to check - * itself. - * - * @param VObject\Property $parent - * @param array $filters - * @return bool - */ - protected function validateParamFilters(VObject\Property $parent, array $filters) { - - foreach($filters as $filter) { - - $isDefined = isset($parent[$filter['name']]); - - if ($filter['is-not-defined']) { - - if ($isDefined) { - return false; - } else { - continue; - } - - } - if (!$isDefined) { - return false; - } - - if (!$filter['text-match']) { - continue; - } - - if (version_compare(VObject\Version::VERSION, '3.0.0beta1', '>=')) { - - // If there are sub-filters, we need to find at least one parameter - // for which the subfilters hold true. - foreach($parent[$filter['name']]->getParts() as $subParam) { - - if($this->validateTextMatch($subParam,$filter['text-match'])) { - // We had a match, so this param-filter succeeds - continue 2; - } - - } - - } else { - - // If there are sub-filters, we need to find at least one parameter - // for which the subfilters hold true. - foreach($parent[$filter['name']] as $subParam) { - - if($this->validateTextMatch($subParam,$filter['text-match'])) { - // We had a match, so this param-filter succeeds - continue 2; - } - - } - - } - - // If we got here it means there was a text-match filter and there - // were no matches. This means the filter needs to return false. - return false; - - } - - // If we got here it means we got through all param-filters alive so the - // filters were all true. - return true; - - } - - /** - * This method checks the validity of a text-match. - * - * A single text-match should be specified as well as the specific property - * or parameter we need to validate. - * - * @param VObject\Node|string $check Value to check against. - * @param array $textMatch - * @return bool - */ - protected function validateTextMatch($check, array $textMatch) { - - if ($check instanceof VObject\Node) { - $check = (string)$check; - } - - $isMatching = \Sabre\DAV\StringUtil::textMatch($check, $textMatch['value'], $textMatch['collation']); - - return ($textMatch['negate-condition'] xor $isMatching); - - } - - /** - * Validates if a component matches the given time range. - * - * This is all based on the rules specified in rfc4791, which are quite - * complex. - * - * @param VObject\Node $component - * @param DateTime $start - * @param DateTime $end - * @return bool - */ - protected function validateTimeRange(VObject\Node $component, $start, $end) { - - if (is_null($start)) { - $start = new DateTime('1900-01-01'); - } - if (is_null($end)) { - $end = new DateTime('3000-01-01'); - } - - switch($component->name) { - - case 'VEVENT' : - case 'VTODO' : - case 'VJOURNAL' : - - return $component->isInTimeRange($start, $end); - - case 'VALARM' : - - // If the valarm is wrapped in a recurring event, we need to - // expand the recursions, and validate each. - // - // Our datamodel doesn't easily allow us to do this straight - // in the VALARM component code, so this is a hack, and an - // expensive one too. - if ($component->parent->name === 'VEVENT' && $component->parent->RRULE) { - - // Fire up the iterator! - $it = new VObject\RecurrenceIterator($component->parent->parent, (string)$component->parent->UID); - while($it->valid()) { - $expandedEvent = $it->getEventObject(); - - // We need to check from these expanded alarms, which - // one is the first to trigger. Based on this, we can - // determine if we can 'give up' expanding events. - $firstAlarm = null; - if ($expandedEvent->VALARM !== null) { - foreach($expandedEvent->VALARM as $expandedAlarm) { - - $effectiveTrigger = $expandedAlarm->getEffectiveTriggerTime(); - if ($expandedAlarm->isInTimeRange($start, $end)) { - return true; - } - - if ((string)$expandedAlarm->TRIGGER['VALUE'] === 'DATE-TIME') { - // This is an alarm with a non-relative trigger - // time, likely created by a buggy client. The - // implication is that every alarm in this - // recurring event trigger at the exact same - // time. It doesn't make sense to traverse - // further. - } else { - // We store the first alarm as a means to - // figure out when we can stop traversing. - if (!$firstAlarm || $effectiveTrigger < $firstAlarm) { - $firstAlarm = $effectiveTrigger; - } - } - } - } - if (is_null($firstAlarm)) { - // No alarm was found. - // - // Or technically: No alarm that will change for - // every instance of the recurrence was found, - // which means we can assume there was no match. - return false; - } - if ($firstAlarm > $end) { - return false; - } - $it->next(); - } - return false; - } else { - return $component->isInTimeRange($start, $end); - } - - case 'VFREEBUSY' : - throw new \Sabre\DAV\Exception\NotImplemented('time-range filters are currently not supported on ' . $component->name . ' components'); - - case 'COMPLETED' : - case 'CREATED' : - case 'DTEND' : - case 'DTSTAMP' : - case 'DTSTART' : - case 'DUE' : - case 'LAST-MODIFIED' : - return ($start <= $component->getDateTime() && $end >= $component->getDateTime()); - - - - default : - throw new \Sabre\DAV\Exception\BadRequest('You cannot create a time-range filter on a ' . $component->name . ' component'); - - } - - } - -} |