2016-01-08 14:11:02 +03:00
|
|
|
<?php
|
2016-01-12 17:02:16 +03:00
|
|
|
/**
|
2016-07-21 17:49:16 +03:00
|
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
2018-10-17 17:06:58 +03:00
|
|
|
* @copyright Copyright (c) 2018, Georg Ehrke
|
2016-07-21 17:49:16 +03:00
|
|
|
*
|
2019-12-03 21:57:53 +03:00
|
|
|
* @author Georg Ehrke <oc.list@georgehrke.com>
|
|
|
|
* @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
|
2017-11-06 17:56:42 +03:00
|
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
2016-01-12 17:02:16 +03:00
|
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
|
|
*
|
|
|
|
* @license AGPL-3.0
|
|
|
|
*
|
|
|
|
* This code is free software: you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
|
|
* as published by the Free Software Foundation.
|
|
|
|
*
|
|
|
|
* 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, version 3,
|
2019-12-03 21:57:53 +03:00
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
2016-01-12 17:02:16 +03:00
|
|
|
*
|
|
|
|
*/
|
2019-11-22 22:52:10 +03:00
|
|
|
|
2016-01-08 14:11:02 +03:00
|
|
|
namespace OCA\DAV\DAV;
|
|
|
|
|
|
|
|
use OCP\IGroup;
|
|
|
|
use OCP\IGroupManager;
|
2019-11-22 22:52:10 +03:00
|
|
|
use OCP\IUser;
|
2018-10-17 17:06:58 +03:00
|
|
|
use OCP\IUserSession;
|
|
|
|
use OCP\Share\IManager as IShareManager;
|
2016-01-08 14:11:02 +03:00
|
|
|
use Sabre\DAV\Exception;
|
2019-11-22 22:52:10 +03:00
|
|
|
use Sabre\DAV\PropPatch;
|
2016-01-08 14:11:02 +03:00
|
|
|
use Sabre\DAVACL\PrincipalBackend\BackendInterface;
|
|
|
|
|
|
|
|
class GroupPrincipalBackend implements BackendInterface {
|
|
|
|
const PRINCIPAL_PREFIX = 'principals/groups';
|
|
|
|
|
|
|
|
/** @var IGroupManager */
|
|
|
|
private $groupManager;
|
|
|
|
|
2018-10-17 17:06:58 +03:00
|
|
|
/** @var IUserSession */
|
|
|
|
private $userSession;
|
|
|
|
|
|
|
|
/** @var IShareManager */
|
|
|
|
private $shareManager;
|
|
|
|
|
2016-01-08 14:11:02 +03:00
|
|
|
/**
|
|
|
|
* @param IGroupManager $IGroupManager
|
2018-10-17 17:06:58 +03:00
|
|
|
* @param IUserSession $userSession
|
|
|
|
* @param IShareManager $shareManager
|
2016-01-08 14:11:02 +03:00
|
|
|
*/
|
2018-10-17 17:06:58 +03:00
|
|
|
public function __construct(IGroupManager $IGroupManager,
|
|
|
|
IUserSession $userSession,
|
2018-11-10 11:51:09 +03:00
|
|
|
IShareManager $shareManager) {
|
2016-01-08 14:11:02 +03:00
|
|
|
$this->groupManager = $IGroupManager;
|
2018-10-17 17:06:58 +03:00
|
|
|
$this->userSession = $userSession;
|
|
|
|
$this->shareManager = $shareManager;
|
2016-01-08 14:11:02 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns a list of principals based on a prefix.
|
|
|
|
*
|
|
|
|
* This prefix will often contain something like 'principals'. You are only
|
|
|
|
* expected to return principals that are in this base path.
|
|
|
|
*
|
|
|
|
* You are expected to return at least a 'uri' for every user, you can
|
|
|
|
* return any additional properties if you wish so. Common properties are:
|
|
|
|
* {DAV:}displayname
|
|
|
|
*
|
|
|
|
* @param string $prefixPath
|
|
|
|
* @return string[]
|
|
|
|
*/
|
|
|
|
public function getPrincipalsByPrefix($prefixPath) {
|
|
|
|
$principals = [];
|
|
|
|
|
|
|
|
if ($prefixPath === self::PRINCIPAL_PREFIX) {
|
2020-04-10 15:19:56 +03:00
|
|
|
foreach ($this->groupManager->search('') as $user) {
|
2016-01-08 14:11:02 +03:00
|
|
|
$principals[] = $this->groupToPrincipal($user);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return $principals;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns a specific principal, specified by it's path.
|
|
|
|
* The returned structure should be the exact same as from
|
|
|
|
* getPrincipalsByPrefix.
|
|
|
|
*
|
|
|
|
* @param string $path
|
|
|
|
* @return array
|
|
|
|
*/
|
|
|
|
public function getPrincipalByPath($path) {
|
2017-01-09 23:20:55 +03:00
|
|
|
$elements = explode('/', $path, 3);
|
2016-01-08 14:11:02 +03:00
|
|
|
if ($elements[0] !== 'principals') {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
if ($elements[1] !== 'groups') {
|
|
|
|
return null;
|
|
|
|
}
|
2017-01-09 23:20:55 +03:00
|
|
|
$name = urldecode($elements[2]);
|
2016-03-23 16:12:50 +03:00
|
|
|
$group = $this->groupManager->get($name);
|
2016-01-08 14:11:02 +03:00
|
|
|
|
2016-03-23 16:12:50 +03:00
|
|
|
if (!is_null($group)) {
|
|
|
|
return $this->groupToPrincipal($group);
|
2016-01-08 14:11:02 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the list of members for a group-principal
|
|
|
|
*
|
|
|
|
* @param string $principal
|
|
|
|
* @return string[]
|
|
|
|
* @throws Exception
|
|
|
|
*/
|
|
|
|
public function getGroupMemberSet($principal) {
|
2016-03-23 16:12:50 +03:00
|
|
|
$elements = explode('/', $principal);
|
|
|
|
if ($elements[0] !== 'principals') {
|
|
|
|
return [];
|
|
|
|
}
|
|
|
|
if ($elements[1] !== 'groups') {
|
|
|
|
return [];
|
|
|
|
}
|
|
|
|
$name = $elements[2];
|
|
|
|
$group = $this->groupManager->get($name);
|
|
|
|
|
|
|
|
if (is_null($group)) {
|
|
|
|
return [];
|
|
|
|
}
|
|
|
|
|
2020-04-09 14:53:40 +03:00
|
|
|
return array_map(function ($user) {
|
2016-03-23 16:12:50 +03:00
|
|
|
return $this->userToPrincipal($user);
|
|
|
|
}, $group->getUsers());
|
2016-01-08 14:11:02 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the list of groups a principal is a member of
|
|
|
|
*
|
|
|
|
* @param string $principal
|
|
|
|
* @return array
|
|
|
|
* @throws Exception
|
|
|
|
*/
|
|
|
|
public function getGroupMembership($principal) {
|
|
|
|
return [];
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Updates the list of group members for a group principal.
|
|
|
|
*
|
|
|
|
* The principals should be passed as a list of uri's.
|
|
|
|
*
|
|
|
|
* @param string $principal
|
|
|
|
* @param string[] $members
|
|
|
|
* @throws Exception
|
|
|
|
*/
|
|
|
|
public function setGroupMemberSet($principal, array $members) {
|
|
|
|
throw new Exception('Setting members of the group is not supported yet');
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param string $path
|
|
|
|
* @param PropPatch $propPatch
|
|
|
|
* @return int
|
|
|
|
*/
|
2020-04-10 17:51:06 +03:00
|
|
|
public function updatePrincipal($path, PropPatch $propPatch) {
|
2016-01-08 14:11:02 +03:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param string $prefixPath
|
|
|
|
* @param array $searchProperties
|
|
|
|
* @param string $test
|
|
|
|
* @return array
|
|
|
|
*/
|
2020-04-10 17:51:06 +03:00
|
|
|
public function searchPrincipals($prefixPath, array $searchProperties, $test = 'allof') {
|
2018-10-17 17:06:58 +03:00
|
|
|
$results = [];
|
|
|
|
|
|
|
|
if (\count($searchProperties) === 0) {
|
|
|
|
return [];
|
|
|
|
}
|
|
|
|
if ($prefixPath !== self::PRINCIPAL_PREFIX) {
|
|
|
|
return [];
|
|
|
|
}
|
|
|
|
// If sharing is disabled, return the empty array
|
|
|
|
$shareAPIEnabled = $this->shareManager->shareApiEnabled();
|
|
|
|
if (!$shareAPIEnabled) {
|
|
|
|
return [];
|
|
|
|
}
|
|
|
|
|
|
|
|
// If sharing is restricted to group members only,
|
|
|
|
// return only members that have groups in common
|
|
|
|
$restrictGroups = false;
|
|
|
|
if ($this->shareManager->shareWithGroupMembersOnly()) {
|
|
|
|
$user = $this->userSession->getUser();
|
|
|
|
if (!$user) {
|
|
|
|
return [];
|
|
|
|
}
|
|
|
|
|
|
|
|
$restrictGroups = $this->groupManager->getUserGroupIds($user);
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($searchProperties as $prop => $value) {
|
|
|
|
switch ($prop) {
|
|
|
|
case '{DAV:}displayname':
|
|
|
|
$groups = $this->groupManager->search($value);
|
|
|
|
|
2020-04-09 14:53:40 +03:00
|
|
|
$results[] = array_reduce($groups, function (array $carry, IGroup $group) use ($restrictGroups) {
|
2018-10-17 17:06:58 +03:00
|
|
|
$gid = $group->getGID();
|
|
|
|
// is sharing restricted to groups only?
|
|
|
|
if ($restrictGroups !== false) {
|
|
|
|
if (!\in_array($gid, $restrictGroups, true)) {
|
|
|
|
return $carry;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
$carry[] = self::PRINCIPAL_PREFIX . '/' . $gid;
|
|
|
|
return $carry;
|
|
|
|
}, []);
|
|
|
|
break;
|
|
|
|
|
2019-02-20 22:22:56 +03:00
|
|
|
case '{urn:ietf:params:xml:ns:caldav}calendar-user-address-set':
|
|
|
|
// If you add support for more search properties that qualify as a user-address,
|
|
|
|
// please also add them to the array below
|
|
|
|
$results[] = $this->searchPrincipals(self::PRINCIPAL_PREFIX, [
|
|
|
|
], 'anyof');
|
|
|
|
break;
|
|
|
|
|
2018-10-17 17:06:58 +03:00
|
|
|
default:
|
|
|
|
$results[] = [];
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// results is an array of arrays, so this is not the first search result
|
|
|
|
// but the results of the first searchProperty
|
|
|
|
if (count($results) === 1) {
|
|
|
|
return $results[0];
|
|
|
|
}
|
|
|
|
|
|
|
|
switch ($test) {
|
|
|
|
case 'anyof':
|
|
|
|
return array_values(array_unique(array_merge(...$results)));
|
|
|
|
|
|
|
|
case 'allof':
|
|
|
|
default:
|
|
|
|
return array_values(array_intersect(...$results));
|
|
|
|
}
|
2016-01-08 14:11:02 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param string $uri
|
|
|
|
* @param string $principalPrefix
|
|
|
|
* @return string
|
|
|
|
*/
|
2020-04-10 17:51:06 +03:00
|
|
|
public function findByUri($uri, $principalPrefix) {
|
2018-10-17 17:06:58 +03:00
|
|
|
// If sharing is disabled, return the empty array
|
|
|
|
$shareAPIEnabled = $this->shareManager->shareApiEnabled();
|
|
|
|
if (!$shareAPIEnabled) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
// If sharing is restricted to group members only,
|
|
|
|
// return only members that have groups in common
|
|
|
|
$restrictGroups = false;
|
|
|
|
if ($this->shareManager->shareWithGroupMembersOnly()) {
|
|
|
|
$user = $this->userSession->getUser();
|
|
|
|
if (!$user) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
$restrictGroups = $this->groupManager->getUserGroupIds($user);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (strpos($uri, 'principal:principals/groups/') === 0) {
|
|
|
|
$name = urlencode(substr($uri, 28));
|
|
|
|
if ($restrictGroups !== false && !\in_array($name, $restrictGroups, true)) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
return substr($uri, 10);
|
|
|
|
}
|
|
|
|
|
|
|
|
return null;
|
2016-01-08 14:11:02 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param IGroup $group
|
|
|
|
* @return array
|
|
|
|
*/
|
|
|
|
protected function groupToPrincipal($group) {
|
|
|
|
$groupId = $group->getGID();
|
2018-11-10 11:51:09 +03:00
|
|
|
// getDisplayName returns UID if none
|
|
|
|
$displayName = $group->getDisplayName();
|
2018-10-17 17:06:58 +03:00
|
|
|
|
|
|
|
return [
|
2017-01-09 23:20:55 +03:00
|
|
|
'uri' => 'principals/groups/' . urlencode($groupId),
|
2018-11-10 11:51:09 +03:00
|
|
|
'{DAV:}displayname' => $displayName,
|
2018-10-17 17:06:58 +03:00
|
|
|
'{urn:ietf:params:xml:ns:caldav}calendar-user-type' => 'GROUP',
|
2016-03-23 16:12:50 +03:00
|
|
|
];
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param IUser $user
|
|
|
|
* @return array
|
|
|
|
*/
|
|
|
|
protected function userToPrincipal($user) {
|
2018-10-17 17:06:58 +03:00
|
|
|
$userId = $user->getUID();
|
2018-11-10 11:51:09 +03:00
|
|
|
// getDisplayName returns UID if none
|
2018-10-17 17:06:58 +03:00
|
|
|
$displayName = $user->getDisplayName();
|
|
|
|
|
2016-03-23 16:12:50 +03:00
|
|
|
$principal = [
|
2018-10-17 17:06:58 +03:00
|
|
|
'uri' => 'principals/users/' . $userId,
|
2018-11-10 11:51:09 +03:00
|
|
|
'{DAV:}displayname' => $displayName,
|
2018-10-17 17:06:58 +03:00
|
|
|
'{urn:ietf:params:xml:ns:caldav}calendar-user-type' => 'INDIVIDUAL',
|
2016-01-08 14:11:02 +03:00
|
|
|
];
|
|
|
|
|
2018-10-17 17:06:58 +03:00
|
|
|
$email = $user->getEMailAddress();
|
|
|
|
if (!empty($email)) {
|
|
|
|
$principal['{http://sabredav.org/ns}email-address'] = $email;
|
|
|
|
}
|
|
|
|
|
2016-01-08 14:11:02 +03:00
|
|
|
return $principal;
|
|
|
|
}
|
|
|
|
}
|