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<?php
/**
* @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author Julius Härtl <jus@bitgrid.net>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Thomas Citharel <nextcloud@tcit.fr>
*
* @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 OC\Collaboration\Collaborators;
use OCP\Collaboration\Collaborators\ISearchPlugin;
use OCP\Collaboration\Collaborators\ISearchResult;
use OCP\Collaboration\Collaborators\SearchResultType;
use OCP\IConfig;
use OCP\IGroup;
use OCP\IGroupManager;
use OCP\IUser;
use OCP\IUserManager;
use OCP\IUserSession;
use OCP\Share;
use OCP\Share\IShare;
class UserPlugin implements ISearchPlugin {
/* @var bool */
protected $shareWithGroupOnly;
protected $shareeEnumeration;
protected $shareeEnumerationInGroupOnly;
/** @var IConfig */
private $config;
/** @var IGroupManager */
private $groupManager;
/** @var IUserSession */
private $userSession;
/** @var IUserManager */
private $userManager;
public function __construct(IConfig $config, IUserManager $userManager, IGroupManager $groupManager, IUserSession $userSession) {
$this->config = $config;
$this->groupManager = $groupManager;
$this->userSession = $userSession;
$this->userManager = $userManager;
$this->shareWithGroupOnly = $this->config->getAppValue('core', 'shareapi_only_share_with_group_members', 'no') === 'yes';
$this->shareeEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes';
$this->shareeEnumerationInGroupOnly = $this->shareeEnumeration && $this->config->getAppValue('core', 'shareapi_restrict_user_enumeration_to_group', 'no') === 'yes';
}
public function search($search, $limit, $offset, ISearchResult $searchResult) {
$result = ['wide' => [], 'exact' => []];
$users = [];
$autoCompleteUsers = [];
$hasMoreResults = false;
$userGroups = [];
if ($this->shareWithGroupOnly) {
// Search in all the groups this user is part of
$userGroups = $this->groupManager->getUserGroups($this->userSession->getUser());
foreach ($userGroups as $userGroup) {
$usersInGroup = $userGroup->searchDisplayName($search, $limit, $offset);
foreach ($usersInGroup as $user) {
$users[$user->getUID()] = $user;
}
}
} else {
// Search in all users
$usersTmp = $this->userManager->searchDisplayName($search, $limit, $offset);
$currentUserGroups = $this->groupManager->getUserGroupIds($this->userSession->getUser());
foreach ($usersTmp as $user) {
if ($user->isEnabled()) { // Don't keep deactivated users
$users[$user->getUID()] = $user;
$addToWideResults = false;
if ($this->shareeEnumeration && !$this->shareeEnumerationInGroupOnly) {
$addToWideResults = true;
}
if ($this->shareeEnumerationInGroupOnly) {
$commonGroups = array_intersect($currentUserGroups, $this->groupManager->getUserGroupIds($user));
if (!empty($commonGroups)) {
$addToWideResults = true;
}
}
if ($addToWideResults) {
$autoCompleteUsers[] = [
'label' => $user->getDisplayName(),
'value' => [
'shareType' => IShare::TYPE_USER,
'shareWith' => (string)$user->getUID(),
],
];
}
}
}
}
$this->takeOutCurrentUser($users);
if (!$this->shareeEnumeration || count($users) < $limit) {
$hasMoreResults = true;
}
$foundUserById = false;
$lowerSearch = strtolower($search);
foreach ($users as $uid => $user) {
$userDisplayName = $user->getDisplayName();
$userEmail = $user->getEMailAddress();
$uid = (string) $uid;
if (
strtolower($uid) === $lowerSearch ||
strtolower($userDisplayName) === $lowerSearch ||
strtolower($userEmail) === $lowerSearch
) {
if (strtolower($uid) === $lowerSearch) {
$foundUserById = true;
}
$result['exact'][] = [
'label' => $userDisplayName,
'value' => [
'shareType' => Share::SHARE_TYPE_USER,
'shareWith' => $uid,
],
];
} else {
$result['wide'][] = [
'label' => $userDisplayName,
'value' => [
'shareType' => Share::SHARE_TYPE_USER,
'shareWith' => $uid,
],
];
}
}
if ($offset === 0 && !$foundUserById) {
// On page one we try if the search result has a direct hit on the
// user id and if so, we add that to the exact match list
$user = $this->userManager->get($search);
if ($user instanceof IUser) {
$addUser = true;
if ($this->shareWithGroupOnly) {
// Only add, if we have a common group
$userGroupIds = array_map(function (IGroup $group) {
return $group->getGID();
}, $userGroups);
$commonGroups = array_intersect($userGroupIds, $this->groupManager->getUserGroupIds($user));
$addUser = !empty($commonGroups);
}
if ($addUser) {
$result['exact'][] = [
'label' => $user->getDisplayName(),
'value' => [
'shareType' => Share::SHARE_TYPE_USER,
'shareWith' => $user->getUID(),
],
];
}
}
}
// overwrite wide matches if they are limited
if (!$this->shareeEnumeration || $this->shareeEnumerationInGroupOnly) {
$result['wide'] = $autoCompleteUsers;
}
$type = new SearchResultType('users');
$searchResult->addResultSet($type, $result['wide'], $result['exact']);
if (count($result['exact'])) {
$searchResult->markExactIdMatch($type);
}
return $hasMoreResults;
}
public function takeOutCurrentUser(array &$users) {
$currentUser = $this->userSession->getUser();
if (!is_null($currentUser)) {
if (isset($users[$currentUser->getUID()])) {
unset($users[$currentUser->getUID()]);
}
}
}
}
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