3 class Sabre_CalDAV_Backend_Private extends Sabre_CalDAV_Backend_Common
8 * @var null|Sabre_CalDAV_Backend_Private
10 private static $instance = null;
14 * @return Sabre_CalDAV_Backend_Private
16 public static function getInstance()
18 if (self::$instance == null) {
19 self::$instance = new Sabre_CalDAV_Backend_Private();
21 return self::$instance;
28 public function getNamespace()
30 return CALDAV_NAMESPACE_PRIVATE;
37 public static function getBackendTypeName() {
38 return t("Private Events");
43 * @param array $calendar
47 public function getPermissionsCalendar($calendar, $user)
49 if ($calendar["namespace"] == CALDAV_NAMESPACE_PRIVATE && $user == $calendar["namespace_id"]) return array("read"=> true, "write"=> true);
50 return array("read"=> false, "write"=> false);
55 * @param array $calendar
57 * @param string $calendarobject_id
58 * @param null|array $item_arr
61 public function getPermissionsItem($calendar, $user, $calendarobject_id, $item_arr = null)
63 return $this->getPermissionsCalendar($calendar, $user);
69 * @param array $calendar
70 * @param string $base_path
73 private function jqcal2wdcal($row, $calendar, $base_path)
75 $not = q("SELECT COUNT(*) num FROM %s%snotifications WHERE `calendar_id` = %d AND `calendarobject_id` = %d",
76 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($row["calendar_id"]), IntVal($row["calendarobject_id"])
78 $editable = $this->getPermissionsItem($calendar["namespace_id"], $row["calendarobject_id"], $row);
80 $end = wdcal_mySql2PhpTime($row["EndTime"]);
81 if ($row["IsAllDayEvent"]) $end -= 1;
84 "jq_id" => $row["id"],
85 "ev_id" => $row["calendarobject_id"],
86 "summary" => escape_tags($row["Summary"]),
87 "start" => wdcal_mySql2PhpTime($row["StartTime"]),
89 "is_allday" => $row["IsAllDayEvent"],
91 "is_recurring" => $row["IsRecurring"],
92 "color" => (is_null($row["Color"]) || $row["Color"] == "" ? $calendar["calendarcolor"] : $row["Color"]),
93 "is_editable" => ($editable ? 1 : 0),
94 "is_editable_quick" => ($editable && !$row["IsRecurring"] ? 1 : 0),
97 "has_notification" => ($not[0]["num"] > 0 ? 1 : 0),
98 "url_detail" => $base_path . $row["calendarobject_id"] . "/",
99 "url_edit" => $base_path . $row["calendarobject_id"] . "/edit/",
100 "special_type" => "",
105 * @param int $calendarId
108 * @param string $base_path
111 public function listItemsByRange($calendarId, $sd, $ed, $base_path)
113 $calendar = Sabre_CalDAV_Backend_Common::loadCalendarById($calendarId);
114 $von = wdcal_php2MySqlTime($sd);
115 $bis = wdcal_php2MySqlTime($ed);
116 $timezoneOffset = date("P");
118 // @TODO Events, die früher angefangen haben, aber noch andauern
119 $evs = q("SELECT *, CONVERT_TZ(`StartTime`, @@session.time_zone, '$timezoneOffset') StartTime, CONVERT_TZ(`EndTime`, @@session.time_zone, '$timezoneOffset') EndTime
120 FROM %s%sjqcalendar WHERE `calendar_id` = %d AND `StartTime` between '%s' and '%s'",
121 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId), dbesc($von), dbesc($bis));
124 foreach ($evs as $row) $events[] = $this->jqcal2wdcal($row, $calendar, $base_path . $row["calendar_id"] . "/");
131 * @param int $calendar_id
132 * @param int $calendarobject_id
135 public function getItemDetailRedirect($calendar_id, $calendarobject_id)
137 return "/dav/wdcal/$calendar_id/$calendarobject_id/edit/";
141 * Returns a list of calendars for a principal.
143 * Every project is an array with the following keys:
144 * * id, a unique id that will be used by other functions to modify the
145 * calendar. This can be the same as the uri or a database key.
146 * * uri, which the basename of the uri with which the calendar is
148 * * principaluri. The owner of the calendar. Almost always the same as
149 * principalUri passed to this method.
151 * Furthermore it can contain webdav properties in clark notation. A very
152 * common one is '{DAV:}displayname'.
154 * @param string $principalUri
157 public function getCalendarsForUser($principalUri)
159 $n = dav_compat_principal2namespace($principalUri);
160 if ($n["namespace"] != $this->getNamespace()) return array();
162 $cals = q("SELECT * FROM %s%scalendars WHERE `namespace` = %d AND `namespace_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $this->getNamespace(), IntVal($n["namespace_id"]));
164 foreach ($cals as $cal) {
165 if (in_array($cal["uri"], $GLOBALS["CALDAV_PRIVATE_SYSTEM_CALENDARS"])) continue;
169 "uri" => $cal["uri"],
170 "principaluri" => $principalUri,
171 '{' . Sabre_CalDAV_Plugin::NS_CALENDARSERVER . '}getctag' => $cal['ctag'] ? $cal['ctag'] : '0',
172 "calendar_class" => "Sabre_CalDAV_Calendar",
174 foreach ($this->propertyMap as $key=> $field) $dat[$key] = $cal[$field];
184 * Creates a new calendar for a principal.
186 * If the creation was a success, an id must be returned that can be used to reference
187 * this calendar in other methods, such as updateCalendar.
189 * @param string $principalUri
190 * @param string $calendarUri
191 * @param array $properties
192 * @throws Sabre_DAV_Exception
193 * @return string|void
195 public function createCalendar($principalUri, $calendarUri, array $properties)
198 $uid = dav_compat_principal2uid($principalUri);
200 $r = q("SELECT * FROM %s%scalendars WHERE `namespace` = %d AND `namespace_id` = %d AND `uri` = '%s'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, CALDAV_NAMESPACE_PRIVATE, $uid, dbesc($calendarUri));
201 if (count($r) > 0) throw new Sabre_DAV_Exception("A calendar with this URI already exists");
203 $keys = array("`namespace`", "`namespace_id`", "`ctag`", "`uri`");
204 $vals = array(CALDAV_NAMESPACE_PRIVATE, IntVal($uid), 1, "'" . dbesc($calendarUri) . "'");
207 $sccs = '{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set';
208 $has_vevent = $has_vtodo = 1;
209 if (isset($properties[$sccs])) {
210 if (!($properties[$sccs] instanceof Sabre_CalDAV_Property_SupportedCalendarComponentSet)) {
211 throw new Sabre_DAV_Exception('The ' . $sccs . ' property must be of type: Sabre_CalDAV_Property_SupportedCalendarComponentSet');
213 $v = $properties[$sccs]->getValue();
214 $has_vevent = $has_vtodo = 0;
216 if (mb_strtolower($w) == "vevent") $has_vevent = 1;
217 if (mb_strtolower($w) == "vtodo") $has_vtodo = 1;
220 $keys[] = "`has_vevent`";
221 $keys[] = "`has_vtodo`";
222 $vals[] = $has_vevent;
223 $vals[] = $has_vtodo;
225 foreach ($this->propertyMap as $xmlName=> $dbName) {
226 if (isset($properties[$xmlName])) {
227 $keys[] = "`$dbName`";
228 $vals[] = "'" . dbesc($properties[$xmlName]) . "'";
232 $sql = sprintf("INSERT INTO %s%scalendars (" . implode(', ', $keys) . ") VALUES (" . implode(', ', $vals) . ")", CALDAV_SQL_DB, CALDAV_SQL_PREFIX);
236 $x = q("SELECT id FROM %s%scalendars WHERE `namespace` = %d AND `namespace_id` = %d AND `uri` = '%s'",
237 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, CALDAV_NAMESPACE_PRIVATE, $uid, $calendarUri
244 * Updates properties for a calendar.
246 * The mutations array uses the propertyName in clark-notation as key,
247 * and the array value for the property value. In the case a property
248 * should be deleted, the property value will be null.
250 * This method must be atomic. If one property cannot be changed, the
251 * entire operation must fail.
253 * If the operation was successful, true can be returned.
254 * If the operation failed, false can be returned.
256 * Deletion of a non-existent property is always successful.
258 * Lastly, it is optional to return detailed information about any
259 * failures. In this case an array should be returned with the following
264 * '{DAV:}displayname' => null,
267 * '{DAV:}owner' => null,
271 * In this example it was forbidden to update {DAV:}displayname.
272 * (403 Forbidden), which in turn also caused {DAV:}owner to fail
273 * (424 Failed Dependency) because the request needs to be atomic.
275 * @param string $calendarId
276 * @param array $mutations
279 public function updateCalendar($calendarId, array $mutations)
282 $newValues = array();
284 200 => array(), // Ok
285 403 => array(), // Forbidden
286 424 => array(), // Failed Dependency
291 foreach ($mutations as $propertyName=> $propertyValue) {
293 // We don't know about this property.
294 if (!isset($this->propertyMap[$propertyName])) {
296 $result[403][$propertyName] = null;
297 unset($mutations[$propertyName]);
301 $fieldName = $this->propertyMap[$propertyName];
302 $newValues[$fieldName] = $propertyValue;
306 // If there were any errors we need to fail the request
308 // Properties has the remaining properties
309 foreach ($mutations as $propertyName=> $propertyValue) {
310 $result[424][$propertyName] = null;
313 // Removing unused statuscodes for cleanliness
314 foreach ($result as $status=> $properties) {
315 if (is_array($properties) && count($properties) === 0) unset($result[$status]);
322 $sql = "`ctag` = `ctag` + 1";
323 foreach ($newValues as $key=> $val) $sql .= ", `" . $key . "` = '" . dbesc($val) . "'";
325 $sql = sprintf("UPDATE %s%scalendars SET $sql WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId));
335 * Delete a calendar and all it's objects
337 * @param string $calendarId
340 public function deleteCalendar($calendarId)
342 q("DELETE FROM %s%scalendarobjects WHERE `calendar_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId));
343 q("DELETE FROM %s%scalendars WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId));
349 * Returns all calendar objects within a calendar.
351 * Every item contains an array with the following keys:
352 * * id - unique identifier which will be used for subsequent updates
353 * * calendardata - The iCalendar-compatible calendar data
354 * * uri - a unique key which will be used to construct the uri. This can be any arbitrary string.
355 * * lastmodified - a timestamp of the last modification time
356 * * etag - An arbitrary string, surrounded by double-quotes. (e.g.:
358 * * calendarid - The calendarid as it was passed to this function.
359 * * size - The size of the calendar objects, in bytes.
361 * Note that the etag is optional, but it's highly encouraged to return for
364 * The calendardata is also optional. If it's not returned
365 * 'getCalendarObject' will be called later, which *is* expected to return
368 * If neither etag or size are specified, the calendardata will be
369 * used/fetched to determine these numbers. If both are specified the
370 * amount of times this is needed is reduced by a great degree.
372 * @param mixed $calendarId
375 function getCalendarObjects($calendarId)
377 $objs = q("SELECT * FROM %s%scalendarobjects WHERE `calendar_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId));
379 foreach ($objs as $obj) {
381 "id" => IntVal($obj["id"]),
382 "calendardata" => $obj["calendardata"],
383 "uri" => $obj["uri"],
384 "lastmodified" => $obj["lastmodified"],
385 "calendarid" => $calendarId,
386 "etag" => $obj["etag"],
387 "size" => IntVal($obj["size"]),
394 * Returns information from a single calendar object, based on it's object
397 * The returned array must have the same keys as getCalendarObjects. The
398 * 'calendardata' object is required here though, while it's not required
399 * for getCalendarObjects.
401 * @param string $calendarId
402 * @param string $objectUri
403 * @throws Sabre_DAV_Exception_NotFound
406 function getCalendarObject($calendarId, $objectUri)
408 $o = q("SELECT * FROM %s%scalendarobjects WHERE `calendar_id` = %d AND `uri` = '%s'",
409 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId), dbesc($objectUri));
411 $o[0]["calendarid"] = $calendarId;
412 $o[0]["calendardata"] = str_ireplace("Europe/Belgrade", "Europe/Berlin", $o[0]["calendardata"]);
414 } else throw new Sabre_DAV_Exception_NotFound($calendarId . " / " . $objectUri);
418 * Creates a new calendar object.
420 * It is possible return an etag from this function, which will be used in
421 * the response to this PUT request. Note that the ETag must be surrounded
424 * However, you should only really return this ETag if you don't mangle the
425 * calendar-data. If the result of a subsequent GET to this object is not
426 * the exact same as this request body, you should omit the ETag.
428 * @param mixed $calendarId
429 * @param string $objectUri
430 * @param string $calendarData
431 * @return string|null
433 function createCalendarObject($calendarId, $objectUri, $calendarData)
435 $calendarData = icalendar_sanitize_string($calendarData);
437 $extraData = $this->getDenormalizedData($calendarData);
439 q("INSERT INTO %s%scalendarobjects (`calendar_id`, `uri`, `calendardata`, `lastmodified`, `componentType`, `firstOccurence`, `lastOccurence`, `etag`, `size`)
440 VALUES (%d, '%s', '%s', NOW(), '%s', '%s', '%s', '%s', %d)",
441 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId), dbesc($objectUri), addslashes($calendarData), dbesc($extraData['componentType']),
442 dbesc(wdcal_php2MySqlTime($extraData['firstOccurence'])), dbesc(wdcal_php2MySqlTime($extraData['lastOccurence'])), dbesc($extraData["etag"]), IntVal($extraData["size"])
445 $this->increaseCalendarCtag($calendarId);
446 renderCalDavEntry_uri($objectUri);
448 return '"' . $extraData['etag'] . '"';
452 * Updates an existing calendarobject, based on it's uri.
454 * It is possible return an etag from this function, which will be used in
455 * the response to this PUT request. Note that the ETag must be surrounded
458 * However, you should only really return this ETag if you don't mangle the
459 * calendar-data. If the result of a subsequent GET to this object is not
460 * the exact same as this request body, you should omit the ETag.
462 * @param mixed $calendarId
463 * @param string $objectUri
464 * @param string $calendarData
465 * @return string|null
467 function updateCalendarObject($calendarId, $objectUri, $calendarData)
469 $calendarData = icalendar_sanitize_string($calendarData);
471 $extraData = $this->getDenormalizedData($calendarData);
473 q("UPDATE %s%scalendarobjects SET `calendardata` = '%s', `lastmodified` = NOW(), `etag` = '%s', `size` = %d, `componentType` = '%s', `firstOccurence` = '%s', `lastOccurence` = '%s'
474 WHERE `calendar_id` = %d AND `uri` = '%s'",
475 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, dbesc($calendarData), dbesc($extraData["etag"]), IntVal($extraData["size"]), dbesc($extraData["componentType"]),
476 dbesc(wdcal_php2MySqlTime($extraData["firstOccurence"])), dbesc(wdcal_php2MySqlTime($extraData["lastOccurence"])), IntVal($calendarId), dbesc($objectUri));
478 $this->increaseCalendarCtag($calendarId);
479 renderCalDavEntry_uri($objectUri);
481 return '"' . $extraData['etag'] . '"';
485 * Deletes an existing calendar object.
487 * @param string $calendarId
488 * @param string $objectUri
489 * @throws Sabre_DAV_Exception_NotFound
492 function deleteCalendarObject($calendarId, $objectUri)
494 $r = q("SELECT `id` FROM %s%scalendarobjects WHERE `calendar_id` = %d AND `uri` = '%s'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId), dbesc($objectUri));
495 if (count($r) == 0) throw new Sabre_DAV_Exception_NotFound();
497 q("DELETE FROM %s%scalendarobjects WHERE `calendar_id` = %d AND `uri` = '%s'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId), dbesc($objectUri));
499 $this->increaseCalendarCtag($calendarId);
500 renderCalDavEntry_calobj_id($r[0]["id"]);