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https://git.friendi.ca/friendica/friendica-addons.git
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174 lines
5.4 KiB
PHP
174 lines
5.4 KiB
PHP
<?php
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class Sabre_CalDAV_Backend_Std extends Sabre_CalDAV_Backend_Common
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{
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public function getNamespace()
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{
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return CALDAV_NAMESPACE_PRIVATE;
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}
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public function getCalUrlPrefix()
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{
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return "private";
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}
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/**
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* Creates a new calendar for a principal.
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*
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* If the creation was a success, an id must be returned that can be used to reference
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* this calendar in other methods, such as updateCalendar.
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*
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* @param string $principalUri
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* @param string $calendarUri
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* @param array $properties
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* @return void
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*/
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public function createCalendar($principalUri, $calendarUri, array $properties)
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{
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// TODO: Implement createCalendar() method.
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}
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/**
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* Delete a calendar and all it's objects
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*
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* @param string $calendarId
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* @return void
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*/
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public function deleteCalendar($calendarId)
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{
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// TODO: Implement deleteCalendar() method.
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}
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/**
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* Returns all calendar objects within a calendar.
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*
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* Every item contains an array with the following keys:
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* * id - unique identifier which will be used for subsequent updates
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* * calendardata - The iCalendar-compatible calendar data
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* * uri - a unique key which will be used to construct the uri. This can be any arbitrary string.
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* * lastmodified - a timestamp of the last modification time
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* * etag - An arbitrary string, surrounded by double-quotes. (e.g.:
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* ' "abcdef"')
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* * calendarid - The calendarid as it was passed to this function.
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* * size - The size of the calendar objects, in bytes.
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*
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* Note that the etag is optional, but it's highly encouraged to return for
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* speed reasons.
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*
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* The calendardata is also optional. If it's not returned
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* 'getCalendarObject' will be called later, which *is* expected to return
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* calendardata.
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*
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* If neither etag or size are specified, the calendardata will be
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* used/fetched to determine these numbers. If both are specified the
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* amount of times this is needed is reduced by a great degree.
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*
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* @param string $calendarId
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* @return array
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*/
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function getCalendarObjects($calendarId)
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{
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$x = explode("-", $calendarId);
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$objs = q("SELECT * FROM %s%scalendarobjects WHERE `namespace` = %d AND `namespace_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[0]), IntVal($x[1]));
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$ret = array();
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foreach ($objs as $obj) {
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$ret[] = array(
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"id" => IntVal($obj["id"]),
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"calendardata" => $obj["calendardata"],
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"uri" => $obj["uri"],
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"lastmodified" => $obj["lastmodified"],
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"calendarid" => $calendarId,
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"etag" => $obj["etag"],
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"size" => IntVal($obj["size"]),
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);
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}
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return $ret;
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}
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/**
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* Returns information from a single calendar object, based on it's object
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* uri.
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*
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* The returned array must have the same keys as getCalendarObjects. The
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* 'calendardata' object is required here though, while it's not required
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* for getCalendarObjects.
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*
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* @param string $calendarId
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* @param string $objectUri
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* @throws Sabre_DAV_Exception_FileNotFound
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* @return array
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*/
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function getCalendarObject($calendarId, $objectUri)
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{
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$x = explode("-", $calendarId);
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$o = q("SELECT * FROM %s%scalendarobjects WHERE `namespace` = %d AND `namespace_id` = %d AND `uri` = '%s'",
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CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[0]), IntVal($x[1]), dbesc($objectUri));
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if (count($o) > 0) {
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$o[0]["calendarid"] = $calendarId;
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$o[0]["calendardata"] = str_ireplace("Europe/Belgrade", "Europe/Berlin", $o[0]["calendardata"]);
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return $o[0];
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} else throw new Sabre_DAV_Exception_FileNotFound($calendarId . " / " . $objectUri);
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}
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/**
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* Creates a new calendar object.
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*
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* @param string $calendarId
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* @param string $objectUri
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* @param string $calendarData
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* @return null|string|void
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*/
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function createCalendarObject($calendarId, $objectUri, $calendarData)
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{
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$x = explode("-", $calendarId);
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q("INSERT INTO %s%scalendarobjects (`namespace`, `namespace_id`, `uri`, `calendardata`, `lastmodified`, `etag`, `size`) VALUES (%d, %d, '%s', '%s', NOW(), '%s', %d)",
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CALDAV_SQL_DB, CALDAV_SQL_PREFIX,
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IntVal($x[0]), IntVal($x[1]), dbesc($objectUri), addslashes($calendarData), md5($calendarData), strlen($calendarData)
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);
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$this->increaseCalendarCtag($x[0], $x[1]);
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renderCalDavEntry_uri($objectUri);
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}
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/**
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* Updates an existing calendarobject, based on it's uri.
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*
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* @param string $calendarId
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* @param string $objectUri
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* @param string $calendarData
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* @return null|string|void
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*/
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function updateCalendarObject($calendarId, $objectUri, $calendarData)
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{
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$x = explode("-", $calendarId);
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q("UPDATE %s%scalendarobjects SET `calendardata` = '%s', `lastmodified` = NOW(), `etag` = '%s', `size` = %d WHERE `namespace` = %d AND `namespace_id` = %d AND `uri` = '%s'",
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CALDAV_SQL_DB, CALDAV_SQL_PREFIX, dbesc($calendarData), md5($calendarData), strlen($calendarData), IntVal($x[0]), IntVal($x[1]), dbesc($objectUri));
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$this->increaseCalendarCtag($x[0], $x[1]);
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renderCalDavEntry_uri($objectUri);
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}
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/**
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* Deletes an existing calendar object.
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*
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* @param string $calendarId
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* @param string $objectUri
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* @return void
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*/
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function deleteCalendarObject($calendarId, $objectUri)
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{
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$x = explode("-", $calendarId);
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q("DELETE FROM %s%scalendarobjects WHERE `namespace` = %d AND `namespace_id` = %d AND `uri` = '%s'",
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CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[0]), IntVal($x[1]), dbesc($objectUri)
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);
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$this->increaseCalendarCtag($x[0], $x[1]);
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renderCalDavEntry_uri($objectUri);
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}
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}
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