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diff --git a/helper.php b/helper.php
--- a/helper.php
+++ b/helper.php
@@ -1,1944 +1,1949 @@
<?php
/**
* Helper Class for the DAVCal plugin
* This helper does the actual work.
*
*/
// must be run within Dokuwiki
if(!defined('DOKU_INC')) die();
class helper_plugin_davcal extends DokuWiki_Plugin {
protected $sqlite = null;
protected $cachedValues = array();
/**
* Constructor to load the configuration and the SQLite plugin
*/
public function helper_plugin_davcal() {
dbglog('---- DAVCAL helper.php init');
}
/** Establish and initialize the database if not already done
* @return sqlite interface or false
*/
private function getDB()
{
if($this->sqlite === null)
{
$this->sqlite = plugin_load('helper', 'sqlite');
if(!$this->sqlite)
{
dbglog('This plugin requires the sqlite plugin. Please install it.');
msg('This plugin requires the sqlite plugin. Please install it.', -1);
return false;
}
if(!$this->sqlite->init('davcal', DOKU_PLUGIN.'davcal/db/'))
{
$this->sqlite = null;
dbglog('Error initialising the SQLite DB for DAVCal');
return false;
}
}
return $this->sqlite;
}
/**
* Retrieve meta data for a given page
*
* @param string $id optional The page ID
* @return array The metadata
*/
private function getMeta($id = null) {
global $ID;
global $INFO;
if ($id === null) $id = $ID;
if($ID === $id && $INFO['meta']) {
$meta = $INFO['meta'];
} else {
$meta = p_get_metadata($id);
}
return $meta;
}
/**
* Retrieve the meta data for a given page
*
* @param string $id optional The page ID
* @return array with meta data
*/
public function getCalendarMetaForPage($id = null)
{
if(is_null($id))
{
global $ID;
$id = $ID;
}
$meta = $this->getMeta($id);
if(isset($meta['plugin_davcal']))
return $meta['plugin_davcal'];
else
return array();
}
/**
* Check the permission of a user for a given calendar ID
*
* @param string $id The calendar ID to check
* @return int AUTH_* constants
*/
public function checkCalendarPermission($id)
{
if(strpos($id, 'webdav://') === 0)
{
$wdc =& plugin_load('helper', 'webdavclient');
if(is_null($wdc))
return AUTH_NONE;
$connectionId = str_replace('webdav://', '', $id);
$settings = $wdc->getConnection($connectionId);
if($settings === false)
return AUTH_NONE;
+ // Check if webdavclient has permissions attached to a page
+ if(!empty($settings['permission']))
+ {
+ $perm = auth_quickaclcheck($settings['permission']);
+ // In case the page has more than read permission, but the
+ // calendar is read-only, we need to modify the permission here.
+ if($perm > AUTH_READ && $settings['write'] == 0)
+ $perm = AUTH_READ;
+ return $perm;
+ }
if($settings['write'] === '1')
return AUTH_CREATE;
return AUTH_READ;
}
else
{
$calid = $this->getCalendarIdForPage($id);
// We return AUTH_READ if the calendar does not exist. This makes
// davcal happy when there are just included calendars
if($calid === false)
return AUTH_READ;
return auth_quickaclcheck($id);
}
}
/**
* Filter calendar pages and return only those where the current
* user has at least read permission.
*
* @param array $calendarPages Array with calendar pages to check
* @return array with filtered calendar pages
*/
public function filterCalendarPagesByUserPermission($calendarPages)
{
$retList = array();
foreach($calendarPages as $page => $data)
{
- // WebDAV Connections are always readable
- if(strpos($page, 'webdav://') === 0)
- {
- $retList[$page] = $data;
- }
- elseif(auth_quickaclcheck($page) >= AUTH_READ)
+ if($this->checkCalendarPermission($page) >= AUTH_READ)
{
$retList[$page] = $data;
}
}
return $retList;
}
/**
* Get all calendar pages used by a given page
* based on the stored metadata
*
* @param string $id optional The page id
* @return mixed The pages as array or false
*/
public function getCalendarPagesByMeta($id = null)
{
if(is_null($id))
{
global $ID;
$id = $ID;
}
$meta = $this->getCalendarMetaForPage($id);
if(isset($meta['id']))
{
// Filter the list of pages by permission
$pages = $this->filterCalendarPagesByUserPermission($meta['id']);
if(empty($pages))
return false;
return $pages;
}
return false;
}
/**
* Get a list of calendar names/pages/ids/colors
* for an array of page ids
*
* @param array $calendarPages The calendar pages to retrieve
* @return array The list
*/
public function getCalendarMapForIDs($calendarPages)
{
$data = array();
foreach($calendarPages as $page => $color)
{
if(strpos($page, 'webdav://') === 0)
{
$wdc =& plugin_load('helper', 'webdavclient');
if(is_null($wdc))
continue;
$connectionId = str_replace('webdav://', '', $page);
$settings = $wdc->getConnection($connectionId);
if($settings === false)
continue;
$name = $settings['displayname'];
$write = ($settings['write'] === '1');
$calid = $connectionId;
$color = '#3a87ad';
}
else
{
$calid = $this->getCalendarIdForPage($page);
if($calid !== false)
{
$settings = $this->getCalendarSettings($calid);
$name = $settings['displayname'];
$color = $settings['calendarcolor'];
$write = (auth_quickaclcheck($page) > AUTH_READ);
}
else
{
continue;
}
}
$data[] = array('name' => $name, 'page' => $page, 'calid' => $calid,
'color' => $color, 'write' => $write);
}
return $data;
}
/**
* Get the saved calendar color for a given page.
*
* @param string $id optional The page ID
* @return mixed The color on success, otherwise false
*/
public function getCalendarColorForPage($id = null)
{
if(is_null($id))
{
global $ID;
$id = $ID;
}
$calid = $this->getCalendarIdForPage($id);
if($calid === false)
return false;
return $this->getCalendarColorForCalendar($calid);
}
/**
* Get the saved calendar color for a given calendar ID.
*
* @param string $id optional The calendar ID
* @return mixed The color on success, otherwise false
*/
public function getCalendarColorForCalendar($calid)
{
if(isset($this->cachedValues['calendarcolor'][$calid]))
return $this->cachedValues['calendarcolor'][$calid];
$row = $this->getCalendarSettings($calid);
if(!isset($row['calendarcolor']))
return false;
$color = $row['calendarcolor'];
$this->cachedValues['calendarcolor'][$calid] = $color;
return $color;
}
/**
* Get the user's principal URL for iOS sync
* @param string $user the user name
* @return the URL to the principal sync
*/
public function getPrincipalUrlForUser($user)
{
if(is_null($user))
return false;
$url = DOKU_URL.'lib/plugins/davcal/calendarserver.php/principals/'.$user;
return $url;
}
/**
* Set the calendar color for a given page.
*
* @param string $color The color definition
* @param string $id optional The page ID
* @return boolean True on success, otherwise false
*/
public function setCalendarColorForPage($color, $id = null)
{
if(is_null($id))
{
global $ID;
$id = $ID;
}
$calid = $this->getCalendarIdForPage($id);
if($calid === false)
return false;
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "UPDATE calendars SET calendarcolor = ? ".
" WHERE id = ?";
$res = $sqlite->query($query, $color, $calid);
if($res !== false)
{
$this->cachedValues['calendarcolor'][$calid] = $color;
return true;
}
return false;
}
/**
* Set the calendar name and description for a given page with a given
* page id.
* If the calendar doesn't exist, the calendar is created!
*
* @param string $name The name of the new calendar
* @param string $description The description of the new calendar
* @param string $id (optional) The ID of the page
* @param string $userid The userid of the creating user
*
* @return boolean True on success, otherwise false.
*/
public function setCalendarNameForPage($name, $description, $id = null, $userid = null)
{
if(is_null($id))
{
global $ID;
$id = $ID;
}
if(is_null($userid))
{
if(isset($_SERVER['REMOTE_USER']) && !is_null($_SERVER['REMOTE_USER']))
{
$userid = $_SERVER['REMOTE_USER'];
}
else
{
$userid = uniqid('davcal-');
}
}
$calid = $this->getCalendarIdForPage($id);
if($calid === false)
return $this->createCalendarForPage($name, $description, $id, $userid);
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "UPDATE calendars SET displayname = ?, description = ? WHERE id = ?";
$res = $sqlite->query($query, $name, $description, $calid);
if($res !== false)
return true;
return false;
}
/**
* Update a calendar's displayname
*
* @param int $calid The calendar's ID
* @param string $name The new calendar name
*
* @return boolean True on success, otherwise false
*/
public function updateCalendarName($calid, $name)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "UPDATE calendars SET displayname = ? WHERE id = ?";
$res = $sqlite->query($query, $calid, $name);
if($res !== false)
{
$this->updateSyncTokenLog($calid, '', 'modified');
return true;
}
return false;
}
/**
* Update the calendar description
*
* @param int $calid The calendar's ID
* @param string $description The new calendar's description
*
* @return boolean True on success, otherwise false
*/
public function updateCalendarDescription($calid, $description)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "UPDATE calendars SET description = ? WHERE id = ?";
$res = $sqlite->query($query, $calid, $description);
if($res !== false)
{
$this->updateSyncTokenLog($calid, '', 'modified');
return true;
}
return false;
}
/**
* Update a calendar's timezone information
*
* @param int $calid The calendar's ID
* @param string $timezone The new timezone to set
*
* @return boolean True on success, otherwise false
*/
public function updateCalendarTimezone($calid, $timezone)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "UPDATE calendars SET timezone = ? WHERE id = ?";
$res = $sqlite->query($query, $calid, $timezone);
if($res !== false)
{
$this->updateSyncTokenLog($calid, '', 'modified');
return true;
}
return false;
}
/**
* Save the personal settings to the SQLite database 'calendarsettings'.
*
* @param array $settings The settings array to store
* @param string $userid (optional) The userid to store
*
* @param boolean True on success, otherwise false
*/
public function savePersonalSettings($settings, $userid = null)
{
if(is_null($userid))
{
if(isset($_SERVER['REMOTE_USER']) && !is_null($_SERVER['REMOTE_USER']))
{
$userid = $_SERVER['REMOTE_USER'];
}
else
{
return false;
}
}
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$sqlite->query("BEGIN TRANSACTION");
$query = "DELETE FROM calendarsettings WHERE userid = ?";
$sqlite->query($query, $userid);
foreach($settings as $key => $value)
{
$query = "INSERT INTO calendarsettings (userid, key, value) VALUES (?, ?, ?)";
$res = $sqlite->query($query, $userid, $key, $value);
if($res === false)
return false;
}
$sqlite->query("COMMIT TRANSACTION");
$this->cachedValues['settings'][$userid] = $settings;
return true;
}
/**
* Retrieve the settings array for a given user id.
* Some sane defaults are returned, currently:
*
* timezone => local
* weeknumbers => 0
* workweek => 0
*
* @param string $userid (optional) The user id to retrieve
*
* @return array The settings array
*/
public function getPersonalSettings($userid = null)
{
// Some sane default settings
$settings = array(
'timezone' => $this->getConf('timezone'),
'weeknumbers' => $this->getConf('weeknumbers'),
'workweek' => $this->getConf('workweek'),
'monday' => $this->getConf('monday'),
'timeformat' => $this->getConf('timeformat')
);
if(is_null($userid))
{
if(isset($_SERVER['REMOTE_USER']) && !is_null($_SERVER['REMOTE_USER']))
{
$userid = $_SERVER['REMOTE_USER'];
}
else
{
return $settings;
}
}
$sqlite = $this->getDB();
if(!$sqlite)
return false;
if(isset($this->cachedValues['settings'][$userid]))
return $this->cachedValues['settings'][$userid];
$query = "SELECT key, value FROM calendarsettings WHERE userid = ?";
$res = $sqlite->query($query, $userid);
$arr = $sqlite->res2arr($res);
foreach($arr as $row)
{
$settings[$row['key']] = $row['value'];
}
$this->cachedValues['settings'][$userid] = $settings;
return $settings;
}
/**
* Retrieve the calendar ID based on a page ID from the SQLite table
* 'pagetocalendarmapping'.
*
* @param string $id (optional) The page ID to retrieve the corresponding calendar
*
* @return mixed the ID on success, otherwise false
*/
public function getCalendarIdForPage($id = null)
{
if(is_null($id))
{
global $ID;
$id = $ID;
}
if(isset($this->cachedValues['calid'][$id]))
return $this->cachedValues['calid'][$id];
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT calid FROM pagetocalendarmapping WHERE page = ?";
$res = $sqlite->query($query, $id);
$row = $sqlite->res2row($res);
if(isset($row['calid']))
{
$calid = $row['calid'];
$this->cachedValues['calid'] = $calid;
return $calid;
}
return false;
}
/**
* Retrieve the complete calendar id to page mapping.
* This is necessary to be able to retrieve a list of
* calendars for a given user and check the access rights.
*
* @return array The mapping array
*/
public function getCalendarIdToPageMapping()
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT calid, page FROM pagetocalendarmapping";
$res = $sqlite->query($query);
$arr = $sqlite->res2arr($res);
return $arr;
}
/**
* Retrieve all calendar IDs a given user has access to.
* The user is specified by the principalUri, so the
* user name is actually split from the URI component.
*
* Access rights are checked against DokuWiki's ACL
* and applied accordingly.
*
* @param string $principalUri The principal URI to work on
*
* @return array An associative array of calendar IDs
*/
public function getCalendarIdsForUser($principalUri)
{
global $auth;
$user = explode('/', $principalUri);
$user = end($user);
$mapping = $this->getCalendarIdToPageMapping();
$calids = array();
$ud = $auth->getUserData($user);
$groups = $ud['grps'];
foreach($mapping as $row)
{
$id = $row['calid'];
$enabled = $this->getCalendarStatus($id);
if($enabled == false)
continue;
$page = $row['page'];
$acl = auth_aclcheck($page, $user, $groups);
if($acl >= AUTH_READ)
{
$write = $acl > AUTH_READ;
$calids[$id] = array('readonly' => !$write);
}
}
return $calids;
}
/**
* Create a new calendar for a given page ID and set name and description
* accordingly. Also update the pagetocalendarmapping table on success.
*
* @param string $name The calendar's name
* @param string $description The calendar's description
* @param string $id (optional) The page ID to work on
* @param string $userid (optional) The user ID that created the calendar
*
* @return boolean True on success, otherwise false
*/
public function createCalendarForPage($name, $description, $id = null, $userid = null)
{
if(is_null($id))
{
global $ID;
$id = $ID;
}
if(is_null($userid))
{
if(isset($_SERVER['REMOTE_USER']) && !is_null($_SERVER['REMOTE_USER']))
{
$userid = $_SERVER['REMOTE_USER'];
}
else
{
$userid = uniqid('davcal-');
}
}
$values = array('principals/'.$userid,
$name,
str_replace(array('/', ' ', ':'), '_', $id),
$description,
'VEVENT,VTODO',
0,
1);
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "INSERT INTO calendars (principaluri, displayname, uri, description, components, transparent, synctoken) ".
"VALUES (?, ?, ?, ?, ?, ?, ?)";
$res = $sqlite->query($query, $values[0], $values[1], $values[2], $values[3], $values[4], $values[5], $values[6]);
if($res === false)
return false;
// Get the new calendar ID
$query = "SELECT id FROM calendars WHERE principaluri = ? AND displayname = ? AND ".
"uri = ? AND description = ?";
$res = $sqlite->query($query, $values[0], $values[1], $values[2], $values[3]);
$row = $sqlite->res2row($res);
// Update the pagetocalendarmapping table with the new calendar ID
if(isset($row['id']))
{
$query = "INSERT INTO pagetocalendarmapping (page, calid) VALUES (?, ?)";
$res = $sqlite->query($query, $id, $row['id']);
return ($res !== false);
}
return false;
}
/**
* Add a new calendar entry to the given calendar. Calendar data is
* specified as ICS file, thus it needs to be parsed first.
*
* This is mainly needed for the sync support.
*
* @param int $calid The calendar's ID
* @param string $uri The new object URI
* @param string $ics The ICS file
*
* @return mixed The etag.
*/
public function addCalendarEntryToCalendarByICS($calid, $uri, $ics)
{
$extraData = $this->getDenormalizedData($ics);
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "INSERT INTO calendarobjects (calendarid, uri, calendardata, lastmodified, etag, size, componenttype, firstoccurence, lastoccurence, uid) VALUES (?,?,?,?,?,?,?,?,?,?)";
$res = $sqlite->query($query,
$calid,
$uri,
$ics,
time(),
$extraData['etag'],
$extraData['size'],
$extraData['componentType'],
$extraData['firstOccurence'],
$extraData['lastOccurence'],
$extraData['uid']);
// If successfully, update the sync token database
if($res !== false)
{
$this->updateSyncTokenLog($calid, $uri, 'added');
}
return $extraData['etag'];
}
/**
* Edit a calendar entry by providing a new ICS file. This is mainly
* needed for the sync support.
*
* @param int $calid The calendar's IS
* @param string $uri The object's URI to modify
* @param string $ics The new object's ICS file
*/
public function editCalendarEntryToCalendarByICS($calid, $uri, $ics)
{
$extraData = $this->getDenormalizedData($ics);
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "UPDATE calendarobjects SET calendardata = ?, lastmodified = ?, etag = ?, size = ?, componenttype = ?, firstoccurence = ?, lastoccurence = ?, uid = ? WHERE calendarid = ? AND uri = ?";
$res = $sqlite->query($query,
$ics,
time(),
$extraData['etag'],
$extraData['size'],
$extraData['componentType'],
$extraData['firstOccurence'],
$extraData['lastOccurence'],
$extraData['uid'],
$calid,
$uri
);
if($res !== false)
{
$this->updateSyncTokenLog($calid, $uri, 'modified');
}
return $extraData['etag'];
}
/**
* Add a new iCal entry for a given page, i.e. a given calendar.
*
* The parameter array needs to contain
* detectedtz => The timezone as detected by the browser
* currenttz => The timezone in use by the calendar
* eventfrom => The event's start date
* eventfromtime => The event's start time
* eventto => The event's end date
* eventtotime => The event's end time
* eventname => The event's name
* eventdescription => The event's description
*
* @param string $id The page ID to work on
* @param string $user The user who created the calendar
* @param string $params A parameter array with values to create
*
* @return boolean True on success, otherwise false
*/
public function addCalendarEntryToCalendarForPage($id, $user, $params)
{
if($params['currenttz'] !== '' && $params['currenttz'] !== 'local')
$timezone = new \DateTimeZone($params['currenttz']);
elseif($params['currenttz'] === 'local')
$timezone = new \DateTimeZone($params['detectedtz']);
else
$timezone = new \DateTimeZone('UTC');
// Retrieve dates from settings
$startDate = explode('-', $params['eventfrom']);
$startTime = explode(':', $params['eventfromtime']);
$endDate = explode('-', $params['eventto']);
$endTime = explode(':', $params['eventtotime']);
// Load SabreDAV
require_once(DOKU_PLUGIN.'davcal/vendor/autoload.php');
$vcalendar = new \Sabre\VObject\Component\VCalendar();
// Add VCalendar, UID and Event Name
$event = $vcalendar->add('VEVENT');
$uuid = \Sabre\VObject\UUIDUtil::getUUID();
$event->add('UID', $uuid);
$event->summary = $params['eventname'];
// Add a description if requested
$description = $params['eventdescription'];
if($description !== '')
$event->add('DESCRIPTION', $description);
// Add a location if requested
$location = $params['eventlocation'];
if($location !== '')
$event->add('LOCATION', $location);
// Add attachments
$attachments = $params['attachments'];
if(!is_null($attachments))
foreach($attachments as $attachment)
$event->add('ATTACH', $attachment);
// Create a timestamp for last modified, created and dtstamp values in UTC
$dtStamp = new \DateTime(null, new \DateTimeZone('UTC'));
$event->add('DTSTAMP', $dtStamp);
$event->add('CREATED', $dtStamp);
$event->add('LAST-MODIFIED', $dtStamp);
// Adjust the start date, based on the given timezone information
$dtStart = new \DateTime();
$dtStart->setTimezone($timezone);
$dtStart->setDate(intval($startDate[0]), intval($startDate[1]), intval($startDate[2]));
// Only add the time values if it's not an allday event
if($params['allday'] != '1')
$dtStart->setTime(intval($startTime[0]), intval($startTime[1]), 0);
// Adjust the end date, based on the given timezone information
$dtEnd = new \DateTime();
$dtEnd->setTimezone($timezone);
$dtEnd->setDate(intval($endDate[0]), intval($endDate[1]), intval($endDate[2]));
// Only add the time values if it's not an allday event
if($params['allday'] != '1')
$dtEnd->setTime(intval($endTime[0]), intval($endTime[1]), 0);
// According to the VCal spec, we need to add a whole day here
if($params['allday'] == '1')
$dtEnd->add(new \DateInterval('P1D'));
// Really add Start and End events
$dtStartEv = $event->add('DTSTART', $dtStart);
$dtEndEv = $event->add('DTEND', $dtEnd);
// Adjust the DATE format for allday events
if($params['allday'] == '1')
{
$dtStartEv['VALUE'] = 'DATE';
$dtEndEv['VALUE'] = 'DATE';
}
$eventStr = $vcalendar->serialize();
if(strpos($id, 'webdav://') === 0)
{
$wdc =& plugin_load('helper', 'webdavclient');
if(is_null($wdc))
return false;
$connectionId = str_replace('webdav://', '', $id);
return $wdc->addCalendarEntry($connectionId, $eventStr);
}
else
{
// Actually add the values to the database
$calid = $this->getCalendarIdForPage($id);
$uri = $uri = 'dokuwiki-' . bin2hex(random_bytes(16)) . '.ics';
$now = new \DateTime();
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "INSERT INTO calendarobjects (calendarid, uri, calendardata, lastmodified, componenttype, firstoccurence, lastoccurence, size, etag, uid) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
$res = $sqlite->query($query, $calid, $uri, $eventStr, $now->getTimestamp(), 'VEVENT',
$event->DTSTART->getDateTime()->getTimeStamp(), $event->DTEND->getDateTime()->getTimeStamp(),
strlen($eventStr), md5($eventStr), $uuid);
// If successfully, update the sync token database
if($res !== false)
{
$this->updateSyncTokenLog($calid, $uri, 'added');
return true;
}
}
return false;
}
/**
* Retrieve the calendar settings of a given calendar id
*
* @param string $calid The calendar ID
*
* @return array The calendar settings array
*/
public function getCalendarSettings($calid)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT id, principaluri, calendarcolor, displayname, uri, description, components, transparent, synctoken, disabled FROM calendars WHERE id= ? ";
$res = $sqlite->query($query, $calid);
$row = $sqlite->res2row($res);
return $row;
}
/**
* Retrieve the calendar status of a given calendar id
*
* @param string $calid The calendar ID
* @return boolean True if calendar is enabled, otherwise false
*/
public function getCalendarStatus($calid)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT disabled FROM calendars WHERE id = ?";
$res = $sqlite->query($query, $calid);
$row = $sqlite->res2row($res);
if($row['disabled'] == 1)
return false;
else
return true;
}
/**
* Disable a calendar for a given page
*
* @param string $id The page ID
*
* @return boolean true on success, otherwise false
*/
public function disableCalendarForPage($id)
{
$calid = $this->getCalendarIdForPage($id);
if($calid === false)
return false;
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "UPDATE calendars SET disabled = 1 WHERE id = ?";
$res = $sqlite->query($query, $calid);
if($res !== false)
return true;
return false;
}
/**
* Enable a calendar for a given page
*
* @param string $id The page ID
*
* @return boolean true on success, otherwise false
*/
public function enableCalendarForPage($id)
{
$calid = $this->getCalendarIdForPage($id);
if($calid === false)
return false;
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "UPDATE calendars SET disabled = 0 WHERE id = ?";
$res = $sqlite->query($query, $calid);
if($res !== false)
return true;
return false;
}
/**
* Retrieve all events that are within a given date range,
* based on the timezone setting.
*
* There is also support for retrieving recurring events,
* using Sabre's VObject Iterator. Recurring events are represented
* as individual calendar entries with the same UID.
*
* @param string $id The page ID to work with
* @param string $user The user ID to work with
* @param string $startDate The start date as a string
* @param string $endDate The end date as a string
* @param string $color (optional) The calendar's color
*
* @return array An array containing the calendar entries.
*/
public function getEventsWithinDateRange($id, $user, $startDate, $endDate, $timezone, $color = null)
{
if($timezone !== '' && $timezone !== 'local')
$timezone = new \DateTimeZone($timezone);
else
$timezone = new \DateTimeZone('UTC');
$data = array();
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT calendardata, componenttype, uid FROM calendarobjects WHERE calendarid = ?";
$startTs = null;
$endTs = null;
if($startDate !== null)
{
$startTs = new \DateTime($startDate);
$query .= " AND lastoccurence > ".$sqlite->quote_string($startTs->getTimestamp());
}
if($endDate !== null)
{
$endTs = new \DateTime($endDate);
$query .= " AND firstoccurence < ".$sqlite->quote_string($endTs->getTimestamp());
}
// Load SabreDAV
require_once(DOKU_PLUGIN.'davcal/vendor/autoload.php');
if(strpos($id, 'webdav://') === 0)
{
$wdc =& plugin_load('helper', 'webdavclient');
if(is_null($wdc))
return $data;
$connectionId = str_replace('webdav://', '', $id);
$arr = $wdc->getCalendarEntries($connectionId, $startDate, $endDate);
}
else
{
$calid = $this->getCalendarIdForPage($id);
if(is_null($color))
$color = $this->getCalendarColorForCalendar($calid);
$enabled = $this->getCalendarStatus($calid);
if($enabled === false)
return $data;
// Retrieve matching calendar objects
$res = $sqlite->query($query, $calid);
$arr = $sqlite->res2arr($res);
}
// Parse individual calendar entries
foreach($arr as $row)
{
if(isset($row['calendardata']))
{
$entry = array();
$vcal = \Sabre\VObject\Reader::read($row['calendardata']);
$recurrence = $vcal->VEVENT->RRULE;
// If it is a recurring event, pass it through Sabre's EventIterator
if($recurrence != null)
{
$rEvents = new \Sabre\VObject\Recur\EventIterator(array($vcal->VEVENT));
$rEvents->rewind();
while($rEvents->valid())
{
$event = $rEvents->getEventObject();
// If we are after the given time range, exit
if(($endTs !== null) && ($rEvents->getDtStart()->getTimestamp() > $endTs->getTimestamp()))
break;
// If we are before the given time range, continue
if(($startTs != null) && ($rEvents->getDtEnd()->getTimestamp() < $startTs->getTimestamp()))
{
$rEvents->next();
continue;
}
// If we are within the given time range, parse the event
$data[] = $this->convertIcalDataToEntry($event, $id, $timezone, $row['uid'], $color, true);
$rEvents->next();
}
}
else
$data[] = $this->convertIcalDataToEntry($vcal->VEVENT, $id, $timezone, $row['uid'], $color);
}
}
return $data;
}
/**
* Helper function that parses the iCal data of a VEVENT to a calendar entry.
*
* @param \Sabre\VObject\VEvent $event The event to parse
* @param \DateTimeZone $timezone The timezone object
* @param string $uid The entry's UID
* @param boolean $recurring (optional) Set to true to define a recurring event
*
* @return array The parse calendar entry
*/
private function convertIcalDataToEntry($event, $page, $timezone, $uid, $color, $recurring = false)
{
$entry = array();
$start = $event->DTSTART;
// Parse only if the start date/time is present
if($start !== null)
{
$dtStart = $start->getDateTime();
$dtStart->setTimezone($timezone);
// moment.js doesn't like times be given even if
// allDay is set to true
// This should fix T23
if($start['VALUE'] == 'DATE')
{
$entry['allDay'] = true;
$entry['start'] = $dtStart->format("Y-m-d");
}
else
{
$entry['allDay'] = false;
$entry['start'] = $dtStart->format(\DateTime::ATOM);
}
}
$end = $event->DTEND;
// Parse only if the end date/time is present
if($end !== null)
{
$dtEnd = $end->getDateTime();
$dtEnd->setTimezone($timezone);
if($end['VALUE'] == 'DATE')
$entry['end'] = $dtEnd->format("Y-m-d");
else
$entry['end'] = $dtEnd->format(\DateTime::ATOM);
}
$description = $event->DESCRIPTION;
if($description !== null)
$entry['description'] = (string)$description;
else
$entry['description'] = '';
$attachments = $event->ATTACH;
if($attachments !== null)
{
$entry['attachments'] = array();
foreach($attachments as $attachment)
$entry['attachments'][] = (string)$attachment;
}
$entry['title'] = (string)$event->summary;
$entry['location'] = (string)$event->location;
$entry['id'] = $uid;
$entry['page'] = $page;
$entry['color'] = $color;
$entry['recurring'] = $recurring;
return $entry;
}
/**
* Retrieve an event by its UID
*
* @param string $uid The event's UID
*
* @return mixed The table row with the given event
*/
public function getEventWithUid($uid)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT calendardata, calendarid, componenttype, uri FROM calendarobjects WHERE uid = ?";
$res = $sqlite->query($query, $uid);
$row = $sqlite->res2row($res);
return $row;
}
/**
* Retrieve information of a calendar's object, not including the actual
* calendar data! This is mainly needed for the sync support.
*
* @param int $calid The calendar ID
*
* @return mixed The result
*/
public function getCalendarObjects($calid)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT id, uri, lastmodified, etag, calendarid, size, componenttype FROM calendarobjects WHERE calendarid = ?";
$res = $sqlite->query($query, $calid);
$arr = $sqlite->res2arr($res);
return $arr;
}
/**
* Retrieve a single calendar object by calendar ID and URI
*
* @param int $calid The calendar's ID
* @param string $uri The object's URI
*
* @return mixed The result
*/
public function getCalendarObjectByUri($calid, $uri)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT id, uri, lastmodified, etag, calendarid, size, calendardata, componenttype FROM calendarobjects WHERE calendarid = ? AND uri = ?";
$res = $sqlite->query($query, $calid, $uri);
$row = $sqlite->res2row($res);
return $row;
}
/**
* Retrieve several calendar objects by specifying an array of URIs.
* This is mainly neede for sync.
*
* @param int $calid The calendar's ID
* @param array $uris An array of URIs
*
* @return mixed The result
*/
public function getMultipleCalendarObjectsByUri($calid, $uris)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT id, uri, lastmodified, etag, calendarid, size, calendardata, componenttype FROM calendarobjects WHERE calendarid = ? AND uri IN (";
// Inserting a whole bunch of question marks
$query .= implode(',', array_fill(0, count($uris), '?'));
$query .= ')';
$vals = array_merge(array($calid), $uris);
$res = $sqlite->query($query, $vals);
$arr = $sqlite->res2arr($res);
return $arr;
}
/**
* Retrieve all calendar events for a given calendar ID
*
* @param string $calid The calendar's ID
*
* @return array An array containing all calendar data
*/
public function getAllCalendarEvents($calid)
{
$enabled = $this->getCalendarStatus($calid);
if($enabled === false)
return false;
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT calendardata, uid, componenttype, uri FROM calendarobjects WHERE calendarid = ?";
$res = $sqlite->query($query, $calid);
$arr = $sqlite->res2arr($res);
return $arr;
}
/**
* Edit a calendar entry for a page, given by its parameters.
* The params array has the same format as @see addCalendarEntryForPage
*
* @param string $id The page's ID to work on
* @param string $user The user's ID to work on
* @param array $params The parameter array for the edited calendar event
*
* @return boolean True on success, otherwise false
*/
public function editCalendarEntryForPage($id, $user, $params)
{
if($params['currenttz'] !== '' && $params['currenttz'] !== 'local')
$timezone = new \DateTimeZone($params['currenttz']);
elseif($params['currenttz'] === 'local')
$timezone = new \DateTimeZone($params['detectedtz']);
else
$timezone = new \DateTimeZone('UTC');
// Parse dates
$startDate = explode('-', $params['eventfrom']);
$startTime = explode(':', $params['eventfromtime']);
$endDate = explode('-', $params['eventto']);
$endTime = explode(':', $params['eventtotime']);
// Retrieve the existing event based on the UID
$uid = $params['uid'];
if(strpos($id, 'webdav://') === 0)
{
$wdc =& plugin_load('helper', 'webdavclient');
if(is_null($wdc))
return false;
$event = $wdc->getCalendarEntryByUid($uid);
}
else
{
$event = $this->getEventWithUid($uid);
}
// Load SabreDAV
require_once(DOKU_PLUGIN.'davcal/vendor/autoload.php');
if(!isset($event['calendardata']))
return false;
$uri = $event['uri'];
$calid = $event['calendarid'];
// Parse the existing event
$vcal = \Sabre\VObject\Reader::read($event['calendardata']);
$vevent = $vcal->VEVENT;
// Set the new event values
$vevent->summary = $params['eventname'];
$dtStamp = new \DateTime(null, new \DateTimeZone('UTC'));
$description = $params['eventdescription'];
$location = $params['eventlocation'];
// Remove existing timestamps to overwrite them
$vevent->remove('DESCRIPTION');
$vevent->remove('DTSTAMP');
$vevent->remove('LAST-MODIFIED');
$vevent->remove('ATTACH');
$vevent->remove('LOCATION');
// Add new time stamps, description and location
$vevent->add('DTSTAMP', $dtStamp);
$vevent->add('LAST-MODIFIED', $dtStamp);
if($description !== '')
$vevent->add('DESCRIPTION', $description);
if($location !== '')
$vevent->add('LOCATION', $location);
// Add attachments
$attachments = $params['attachments'];
if(!is_null($attachments))
foreach($attachments as $attachment)
$vevent->add('ATTACH', $attachment);
// Setup DTSTART
$dtStart = new \DateTime();
$dtStart->setTimezone($timezone);
$dtStart->setDate(intval($startDate[0]), intval($startDate[1]), intval($startDate[2]));
if($params['allday'] != '1')
$dtStart->setTime(intval($startTime[0]), intval($startTime[1]), 0);
// Setup DTEND
$dtEnd = new \DateTime();
$dtEnd->setTimezone($timezone);
$dtEnd->setDate(intval($endDate[0]), intval($endDate[1]), intval($endDate[2]));
if($params['allday'] != '1')
$dtEnd->setTime(intval($endTime[0]), intval($endTime[1]), 0);
// According to the VCal spec, we need to add a whole day here
if($params['allday'] == '1')
$dtEnd->add(new \DateInterval('P1D'));
$vevent->remove('DTSTART');
$vevent->remove('DTEND');
$dtStartEv = $vevent->add('DTSTART', $dtStart);
$dtEndEv = $vevent->add('DTEND', $dtEnd);
// Remove the time for allday events
if($params['allday'] == '1')
{
$dtStartEv['VALUE'] = 'DATE';
$dtEndEv['VALUE'] = 'DATE';
}
$eventStr = $vcal->serialize();
if(strpos($id, 'webdav://') === 0)
{
$connectionId = str_replace('webdav://', '', $id);
return $wdc->editCalendarEntry($connectionId, $uid, $eventStr);
}
else
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$now = new DateTime();
// Actually write to the database
$query = "UPDATE calendarobjects SET calendardata = ?, lastmodified = ?, ".
"firstoccurence = ?, lastoccurence = ?, size = ?, etag = ? WHERE uid = ?";
$res = $sqlite->query($query, $eventStr, $now->getTimestamp(), $dtStart->getTimestamp(),
$dtEnd->getTimestamp(), strlen($eventStr), md5($eventStr), $uid);
if($res !== false)
{
$this->updateSyncTokenLog($calid, $uri, 'modified');
return true;
}
}
return false;
}
/**
* Delete an event from a calendar by calendar ID and URI
*
* @param int $calid The calendar's ID
* @param string $uri The object's URI
*
* @return true
*/
public function deleteCalendarEntryForCalendarByUri($calid, $uri)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "DELETE FROM calendarobjects WHERE calendarid = ? AND uri = ?";
$res = $sqlite->query($query, $calid, $uri);
if($res !== false)
{
$this->updateSyncTokenLog($calid, $uri, 'deleted');
}
return true;
}
/**
* Delete a calendar entry for a given page. Actually, the event is removed
* based on the entry's UID, so that page ID is no used.
*
* @param string $id The page's ID (unused)
* @param array $params The parameter array to work with
*
* @return boolean True
*/
public function deleteCalendarEntryForPage($id, $params)
{
$uid = $params['uid'];
if(strpos($id, 'webdav://') === 0)
{
$wdc =& plugin_load('helper', 'webdavclient');
if(is_null($wdc))
return false;
$connectionId = str_replace('webdav://', '', $id);
$result = $wdc->deleteCalendarEntry($connectionId, $uid);
return $result;
}
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$event = $this->getEventWithUid($uid);
$calid = $event['calendarid'];
$uri = $event['uri'];
$query = "DELETE FROM calendarobjects WHERE uid = ?";
$res = $sqlite->query($query, $uid);
if($res !== false)
{
$this->updateSyncTokenLog($calid, $uri, 'deleted');
}
return true;
}
/**
* Retrieve the current sync token for a calendar
*
* @param string $calid The calendar id
*
* @return mixed The synctoken or false
*/
public function getSyncTokenForCalendar($calid)
{
$row = $this->getCalendarSettings($calid);
if(isset($row['synctoken']))
return $row['synctoken'];
return false;
}
/**
* Helper function to convert the operation name to
* an operation code as stored in the database
*
* @param string $operationName The operation name
*
* @return mixed The operation code or false
*/
public function operationNameToOperation($operationName)
{
switch($operationName)
{
case 'added':
return 1;
break;
case 'modified':
return 2;
break;
case 'deleted':
return 3;
break;
}
return false;
}
/**
* Update the sync token log based on the calendar id and the
* operation that was performed.
*
* @param string $calid The calendar ID that was modified
* @param string $uri The calendar URI that was modified
* @param string $operation The operation that was performed
*
* @return boolean True on success, otherwise false
*/
private function updateSyncTokenLog($calid, $uri, $operation)
{
$currentToken = $this->getSyncTokenForCalendar($calid);
$operationCode = $this->operationNameToOperation($operation);
if(($operationCode === false) || ($currentToken === false))
return false;
$values = array($uri,
$currentToken,
$calid,
$operationCode
);
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "INSERT INTO calendarchanges (uri, synctoken, calendarid, operation) VALUES(?, ?, ?, ?)";
$res = $sqlite->query($query, $uri, $currentToken, $calid, $operationCode);
if($res === false)
return false;
$currentToken++;
$query = "UPDATE calendars SET synctoken = ? WHERE id = ?";
$res = $sqlite->query($query, $currentToken, $calid);
return ($res !== false);
}
/**
* Return the sync URL for a given Page, i.e. a calendar
*
* @param string $id The page's ID
* @param string $user (optional) The user's ID
*
* @return mixed The sync url or false
*/
public function getSyncUrlForPage($id, $user = null)
{
if(is_null($userid))
{
if(isset($_SERVER['REMOTE_USER']) && !is_null($_SERVER['REMOTE_USER']))
{
$userid = $_SERVER['REMOTE_USER'];
}
else
{
return false;
}
}
$calid = $this->getCalendarIdForPage($id);
if($calid === false)
return false;
$calsettings = $this->getCalendarSettings($calid);
if(!isset($calsettings['uri']))
return false;
$syncurl = DOKU_URL.'lib/plugins/davcal/calendarserver.php/calendars/'.$user.'/'.$calsettings['uri'];
return $syncurl;
}
/**
* Return the private calendar's URL for a given page
*
* @param string $id the page ID
*
* @return mixed The private URL or false
*/
public function getPrivateURLForPage($id)
{
$calid = $this->getCalendarIdForPage($id);
if($calid === false)
return false;
return $this->getPrivateURLForCalendar($calid);
}
/**
* Return the private calendar's URL for a given calendar ID
*
* @param string $calid The calendar's ID
*
* @return mixed The private URL or false
*/
public function getPrivateURLForCalendar($calid)
{
if(isset($this->cachedValues['privateurl'][$calid]))
return $this->cachedValues['privateurl'][$calid];
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT url FROM calendartoprivateurlmapping WHERE calid = ?";
$res = $sqlite->query($query, $calid);
$row = $sqlite->res2row($res);
if(!isset($row['url']))
{
$url = 'dokuwiki-' . bin2hex(random_bytes(16)) . '.ics';
$query = "INSERT INTO calendartoprivateurlmapping (url, calid) VALUES(?, ?)";
$res = $sqlite->query($query, $url, $calid);
if($res === false)
return false;
}
else
{
$url = $row['url'];
}
$url = DOKU_URL.'lib/plugins/davcal/ics.php/'.$url;
$this->cachedValues['privateurl'][$calid] = $url;
return $url;
}
/**
* Retrieve the calendar ID for a given private calendar URL
*
* @param string $url The private URL
*
* @return mixed The calendar ID or false
*/
public function getCalendarForPrivateURL($url)
{
$sqlite = $this->getDB();
if(!$sqlite)
return false;
$query = "SELECT calid FROM calendartoprivateurlmapping WHERE url = ?";
$res = $sqlite->query($query, $url);
$row = $sqlite->res2row($res);
if(!isset($row['calid']))
return false;
return $row['calid'];
}
/**
* Return a given calendar as ICS feed, i.e. all events in one ICS file.
*
* @param string $calid The calendar ID to retrieve
*
* @return mixed The calendar events as string or false
*/
public function getCalendarAsICSFeed($calid)
{
$calSettings = $this->getCalendarSettings($calid);
if($calSettings === false)
return false;
$events = $this->getAllCalendarEvents($calid);
if($events === false)
return false;
// Load SabreDAV
require_once(DOKU_PLUGIN.'davcal/vendor/autoload.php');
$out = "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//DAVCal//DAVCal for DokuWiki//EN\r\nCALSCALE:GREGORIAN\r\nX-WR-CALNAME:";
$out .= $calSettings['displayname']."\r\n";
foreach($events as $event)
{
$vcal = \Sabre\VObject\Reader::read($event['calendardata']);
$evt = $vcal->VEVENT;
$out .= $evt->serialize();
}
$out .= "END:VCALENDAR\r\n";
return $out;
}
/**
* Retrieve a configuration option for the plugin
*
* @param string $key The key to query
* @return mixed The option set, null if not found
*/
public function getConfig($key)
{
return $this->getConf($key);
}
/**
* Parses some information from calendar objects, used for optimized
* calendar-queries. Taken nearly unmodified from Sabre's PDO backend
*
* Returns an array with the following keys:
* * etag - An md5 checksum of the object without the quotes.
* * size - Size of the object in bytes
* * componentType - VEVENT, VTODO or VJOURNAL
* * firstOccurence
* * lastOccurence
* * uid - value of the UID property
*
* @param string $calendarData
* @return array
*/
protected function getDenormalizedData($calendarData)
{
require_once(DOKU_PLUGIN.'davcal/vendor/autoload.php');
$vObject = \Sabre\VObject\Reader::read($calendarData);
$componentType = null;
$component = null;
$firstOccurence = null;
$lastOccurence = null;
$uid = null;
foreach ($vObject->getComponents() as $component)
{
if ($component->name !== 'VTIMEZONE')
{
$componentType = $component->name;
$uid = (string)$component->UID;
break;
}
}
if (!$componentType)
{
return false;
}
if ($componentType === 'VEVENT')
{
$firstOccurence = $component->DTSTART->getDateTime()->getTimeStamp();
// Finding the last occurence is a bit harder
if (!isset($component->RRULE))
{
if (isset($component->DTEND))
{
$lastOccurence = $component->DTEND->getDateTime()->getTimeStamp();
}
elseif (isset($component->DURATION))
{
$endDate = clone $component->DTSTART->getDateTime();
$endDate->add(\Sabre\VObject\DateTimeParser::parse($component->DURATION->getValue()));
$lastOccurence = $endDate->getTimeStamp();
}
elseif (!$component->DTSTART->hasTime())
{
$endDate = clone $component->DTSTART->getDateTime();
$endDate->modify('+1 day');
$lastOccurence = $endDate->getTimeStamp();
}
else
{
$lastOccurence = $firstOccurence;
}
}
else
{
$it = new \Sabre\VObject\Recur\EventIterator($vObject, (string)$component->UID);
$maxDate = new \DateTime('2038-01-01');
if ($it->isInfinite())
{
$lastOccurence = $maxDate->getTimeStamp();
}
else
{
$end = $it->getDtEnd();
while ($it->valid() && $end < $maxDate)
{
$end = $it->getDtEnd();
$it->next();
}
$lastOccurence = $end->getTimeStamp();
}
}
}
return array(
'etag' => md5($calendarData),
'size' => strlen($calendarData),
'componentType' => $componentType,
'firstOccurence' => $firstOccurence,
'lastOccurence' => $lastOccurence,
'uid' => $uid,
);
}
/**
* Query a calendar by ID and taking several filters into account.
* This is heavily based on Sabre's PDO backend.
*
* @param int $calendarId The calendar's ID
* @param array $filters The filter array to apply
*
* @return mixed The result
*/
public function calendarQuery($calendarId, $filters)
{
dbglog('davcal::helper::calendarQuery');
$componentType = null;
$requirePostFilter = true;
$timeRange = null;
$sqlite = $this->getDB();
if(!$sqlite)
return false;
// if no filters were specified, we don't need to filter after a query
if (!$filters['prop-filters'] && !$filters['comp-filters'])
{
$requirePostFilter = false;
}
// Figuring out if there's a component filter
if (count($filters['comp-filters']) > 0 && !$filters['comp-filters'][0]['is-not-defined'])
{
$componentType = $filters['comp-filters'][0]['name'];
// Checking if we need post-filters
if (!$filters['prop-filters'] && !$filters['comp-filters'][0]['comp-filters'] && !$filters['comp-filters'][0]['time-range'] && !$filters['comp-filters'][0]['prop-filters'])
{
$requirePostFilter = false;
}
// There was a time-range filter
if ($componentType == 'VEVENT' && isset($filters['comp-filters'][0]['time-range']))
{
$timeRange = $filters['comp-filters'][0]['time-range'];
// If start time OR the end time is not specified, we can do a
// 100% accurate mysql query.
if (!$filters['prop-filters'] && !$filters['comp-filters'][0]['comp-filters'] && !$filters['comp-filters'][0]['prop-filters'] && (!$timeRange['start'] || !$timeRange['end']))
{
$requirePostFilter = false;
}
}
}
if ($requirePostFilter)
{
$query = "SELECT uri, calendardata FROM calendarobjects WHERE calendarid = ?";
}
else
{
$query = "SELECT uri FROM calendarobjects WHERE calendarid = ?";
}
$values = array(
$calendarId
);
if ($componentType)
{
$query .= " AND componenttype = ?";
$values[] = $componentType;
}
if ($timeRange && $timeRange['start'])
{
$query .= " AND lastoccurence > ?";
$values[] = $timeRange['start']->getTimeStamp();
}
if ($timeRange && $timeRange['end'])
{
$query .= " AND firstoccurence < ?";
$values[] = $timeRange['end']->getTimeStamp();
}
$res = $sqlite->query($query, $values);
$arr = $sqlite->res2arr($res);
$result = array();
foreach($arr as $row)
{
if ($requirePostFilter)
{
if (!$this->validateFilterForObject($row, $filters))
{
continue;
}
}
$result[] = $row['uri'];
}
return $result;
}
/**
* This method validates if a filter (as passed to calendarQuery) matches
* the given object. Taken from Sabre's PDO backend
*
* @param array $object
* @param array $filters
* @return bool
*/
protected function validateFilterForObject($object, $filters)
{
require_once(DOKU_PLUGIN.'davcal/vendor/autoload.php');
// Unfortunately, setting the 'calendardata' here is optional. If
// it was excluded, we actually need another call to get this as
// well.
if (!isset($object['calendardata']))
{
$object = $this->getCalendarObjectByUri($object['calendarid'], $object['uri']);
}
$vObject = \Sabre\VObject\Reader::read($object['calendardata']);
$validator = new \Sabre\CalDAV\CalendarQueryValidator();
$res = $validator->validate($vObject, $filters);
return $res;
}
/**
* Retrieve changes for a given calendar based on the given syncToken.
*
* @param int $calid The calendar's ID
* @param int $syncToken The supplied sync token
* @param int $syncLevel The sync level
* @param int $limit The limit of changes
*
* @return array The result
*/
public function getChangesForCalendar($calid, $syncToken, $syncLevel, $limit = null)
{
// Current synctoken
$currentToken = $this->getSyncTokenForCalendar($calid);
if ($currentToken === false) return null;
$result = array(
'syncToken' => $currentToken,
'added' => array(),
'modified' => array(),
'deleted' => array(),
);
$sqlite = $this->getDB();
if(!$sqlite)
return false;
if ($syncToken)
{
$query = "SELECT uri, operation FROM calendarchanges WHERE synctoken >= ? AND synctoken < ? AND calendarid = ? ORDER BY synctoken";
if ($limit > 0) $query .= " LIMIT " . (int)$limit;
// Fetching all changes
$res = $sqlite->query($query, $syncToken, $currentToken, $calid);
if($res === false)
return null;
$arr = $sqlite->res2arr($res);
$changes = array();
// This loop ensures that any duplicates are overwritten, only the
// last change on a node is relevant.
foreach($arr as $row)
{
$changes[$row['uri']] = $row['operation'];
}
foreach ($changes as $uri => $operation)
{
switch ($operation)
{
case 1 :
$result['added'][] = $uri;
break;
case 2 :
$result['modified'][] = $uri;
break;
case 3 :
$result['deleted'][] = $uri;
break;
}
}
}
else
{
// No synctoken supplied, this is the initial sync.
$query = "SELECT uri FROM calendarobjects WHERE calendarid = ?";
$res = $sqlite->query($query);
$arr = $sqlite->res2arr($res);
$result['added'] = $arr;
}
return $result;
}
}
diff --git a/plugin.info.txt b/plugin.info.txt
--- a/plugin.info.txt
+++ b/plugin.info.txt
@@ -1,7 +1,7 @@
base davcal
author Andreas Boehler
email dev@aboehler.at
-date 2017-11-24
+date 2019-01-21
name Calendar PlugIn with CalDAV sharing support
desc Create one calendar per page and share/subscribe via CalDAV
url http://www.dokuwiki.org/plugin:davcal

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