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<?php
/**
* SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
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\IUserSession;
use OCP\Share\IShare;
class GroupPlugin implements ISearchPlugin {
protected bool $shareeEnumeration;
protected bool $shareWithGroupOnly;
protected bool $shareeEnumerationInGroupOnly;
protected bool $groupSharingDisabled;
public function __construct(
private IConfig $config,
private IGroupManager $groupManager,
private IUserSession $userSession,
private mixed $shareWithGroupOnlyExcludeGroupsList = [],
) {
$this->shareeEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes';
$this->shareWithGroupOnly = $this->config->getAppValue('core', 'shareapi_only_share_with_group_members', 'no') === 'yes';
$this->shareeEnumerationInGroupOnly = $this->shareeEnumeration && $this->config->getAppValue('core', 'shareapi_restrict_user_enumeration_to_group', 'no') === 'yes';
$this->groupSharingDisabled = $this->config->getAppValue('core', 'shareapi_allow_group_sharing', 'yes') === 'no';
if ($this->shareWithGroupOnly) {
$this->shareWithGroupOnlyExcludeGroupsList = json_decode($this->config->getAppValue('core', 'shareapi_only_share_with_group_members_exclude_group_list', ''), true) ?? [];
}
}
public function search($search, $limit, $offset, ISearchResult $searchResult): bool {
if ($this->groupSharingDisabled) {
return false;
}
$hasMoreResults = false;
$result = ['wide' => [], 'exact' => []];
$groups = $this->groupManager->search($search, $limit, $offset);
$groupIds = array_map(function (IGroup $group) {
return $group->getGID();
}, $groups);
if (!$this->shareeEnumeration || count($groups) < $limit) {
$hasMoreResults = true;
}
$userGroups = [];
if (!empty($groups) && ($this->shareWithGroupOnly || $this->shareeEnumerationInGroupOnly)) {
// Intersect all the groups that match with the groups this user is a member of
$userGroups = $this->groupManager->getUserGroups($this->userSession->getUser());
$userGroups = array_map(function (IGroup $group) {
return $group->getGID();
}, $userGroups);
$groupIds = array_intersect($groupIds, $userGroups);
// ShareWithGroupOnly filtering
$groupIds = array_diff($groupIds, $this->shareWithGroupOnlyExcludeGroupsList);
}
$lowerSearch = strtolower($search);
foreach ($groups as $group) {
if ($group->hideFromCollaboration()) {
continue;
}
// FIXME: use a more efficient approach
$gid = $group->getGID();
if (!in_array($gid, $groupIds)) {
continue;
}
if (strtolower($gid) === $lowerSearch || strtolower($group->getDisplayName()) === $lowerSearch) {
$result['exact'][] = [
'label' => $group->getDisplayName(),
'value' => [
'shareType' => IShare::TYPE_GROUP,
'shareWith' => $gid,
],
];
} else {
if ($this->shareeEnumerationInGroupOnly && !in_array($group->getGID(), $userGroups, true)) {
continue;
}
$result['wide'][] = [
'label' => $group->getDisplayName(),
'value' => [
'shareType' => IShare::TYPE_GROUP,
'shareWith' => $gid,
],
];
}
}
if ($offset === 0 && empty($result['exact'])) {
// 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
$group = $this->groupManager->get($search);
if ($group instanceof IGroup && !$group->hideFromCollaboration() && (!$this->shareWithGroupOnly || in_array($group->getGID(), $userGroups))) {
$result['exact'][] = [
'label' => $group->getDisplayName(),
'value' => [
'shareType' => IShare::TYPE_GROUP,
'shareWith' => $group->getGID(),
],
];
}
}
if (!$this->shareeEnumeration) {
$result['wide'] = [];
}
$type = new SearchResultType('groups');
$searchResult->addResultSet($type, $result['wide'], $result['exact']);
return $hasMoreResults;
}
}
|
