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<?php
declare(strict_types=1);
/**
* @copyright 2017, Georg Ehrke <oc.list@georgehrke.com>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Georg Ehrke <oc.list@georgehrke.com>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\DAV\CalDAV;
use OCA\DAV\CalDAV\Auth\CustomPrincipalPlugin;
use OCA\DAV\CalDAV\InvitationResponse\InvitationResponseServer;
use OCP\Calendar\Exceptions\CalendarException;
use OCP\Calendar\ICreateFromString;
use OCP\Constants;
use Sabre\DAV\Exception\Conflict;
use function Sabre\Uri\split as uriSplit;
class CalendarImpl implements ICreateFromString {
/** @var CalDavBackend */
private $backend;
/** @var Calendar */
private $calendar;
/** @var array */
private $calendarInfo;
/**
* CalendarImpl constructor.
*
* @param Calendar $calendar
* @param array $calendarInfo
* @param CalDavBackend $backend
*/
public function __construct(Calendar $calendar,
array $calendarInfo,
CalDavBackend $backend) {
$this->calendar = $calendar;
$this->calendarInfo = $calendarInfo;
$this->backend = $backend;
}
/**
* @return string defining the technical unique key
* @since 13.0.0
*/
public function getKey() {
return $this->calendarInfo['id'];
}
/**
* In comparison to getKey() this function returns a human readable (maybe translated) name
* @return null|string
* @since 13.0.0
*/
public function getDisplayName() {
return $this->calendarInfo['{DAV:}displayname'];
}
/**
* Calendar color
* @return null|string
* @since 13.0.0
*/
public function getDisplayColor() {
return $this->calendarInfo['{http://apple.com/ns/ical/}calendar-color'];
}
/**
* @param string $pattern which should match within the $searchProperties
* @param array $searchProperties defines the properties within the query pattern should match
* @param array $options - optional parameters:
* ['timerange' => ['start' => new DateTime(...), 'end' => new DateTime(...)]]
* @param integer|null $limit - limit number of search results
* @param integer|null $offset - offset for paging of search results
* @return array an array of events/journals/todos which are arrays of key-value-pairs
* @since 13.0.0
*/
public function search($pattern, array $searchProperties = [], array $options = [], $limit = null, $offset = null) {
return $this->backend->search($this->calendarInfo, $pattern,
$searchProperties, $options, $limit, $offset);
}
/**
* @return integer build up using \OCP\Constants
* @since 13.0.0
*/
public function getPermissions() {
$permissions = $this->calendar->getACL();
$result = 0;
foreach ($permissions as $permission) {
switch ($permission['privilege']) {
case '{DAV:}read':
$result |= Constants::PERMISSION_READ;
break;
case '{DAV:}write':
$result |= Constants::PERMISSION_CREATE;
$result |= Constants::PERMISSION_UPDATE;
break;
case '{DAV:}all':
$result |= Constants::PERMISSION_ALL;
break;
}
}
return $result;
}
/**
* Create a new calendar event for this calendar
* by way of an ICS string
*
* @param string $name the file name - needs to contan the .ics ending
* @param string $calendarData a string containing a valid VEVENT ics
*
* @throws CalendarException
*/
public function createFromString(string $name, string $calendarData): void {
$server = new InvitationResponseServer(false);
/** @var CustomPrincipalPlugin $plugin */
$plugin = $server->server->getPlugin('auth');
// we're working around the previous implementation
// that only allowed the public system principal to be used
// so set the custom principal here
$plugin->setCurrentPrincipal($this->calendar->getPrincipalURI());
if (empty($this->calendarInfo['uri'])) {
throw new CalendarException('Could not write to calendar as URI parameter is missing');
}
// Build full calendar path
[, $user] = uriSplit($this->calendar->getPrincipalURI());
$fullCalendarFilename = sprintf('calendars/%s/%s/%s', $user, $this->calendarInfo['uri'], $name);
$stream = fopen('php://memory', 'rb+');
fwrite($stream, $calendarData);
rewind($stream);
try {
$server->server->createFile($fullCalendarFilename, $stream);
} catch (Conflict $e) {
throw new CalendarException('Could not create new calendar event: ' . $e->getMessage(), 0, $e);
} finally {
fclose($stream);
}
}
}
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