700 lines
19 KiB
PHP
700 lines
19 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Björn Schießle <bjoern@schiessle.org>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\Files_Sharing\Controller;
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use OCP\AppFramework\Http\DataResponse;
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use OCP\AppFramework\OCS\OCSBadRequestException;
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use OCP\AppFramework\OCSController;
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use OCP\Contacts\IManager;
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use OCP\Http\Client\IClientService;
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use OCP\IGroup;
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use OCP\IGroupManager;
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use OCP\ILogger;
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use OCP\IRequest;
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use OCP\IUser;
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use OCP\IUserManager;
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use OCP\IConfig;
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use OCP\IUserSession;
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use OCP\IURLGenerator;
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use OCP\Share;
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class ShareesAPIController extends OCSController {
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/** @var IGroupManager */
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protected $groupManager;
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/** @var IUserManager */
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protected $userManager;
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/** @var IManager */
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protected $contactsManager;
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/** @var IConfig */
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protected $config;
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/** @var IUserSession */
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protected $userSession;
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/** @var IURLGenerator */
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protected $urlGenerator;
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/** @var ILogger */
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protected $logger;
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/** @var \OCP\Share\IManager */
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protected $shareManager;
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/** @var IClientService */
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protected $clientService;
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/** @var bool */
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protected $shareWithGroupOnly = false;
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/** @var bool */
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protected $shareeEnumeration = true;
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/** @var int */
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protected $offset = 0;
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/** @var int */
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protected $limit = 10;
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/** @var array */
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protected $result = [
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'exact' => [
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'users' => [],
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'groups' => [],
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'remotes' => [],
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'emails' => [],
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],
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'users' => [],
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'groups' => [],
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'remotes' => [],
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'emails' => [],
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'lookup' => [],
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];
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protected $reachedEndFor = [];
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/**
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* @param string $appName
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* @param IRequest $request
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* @param IGroupManager $groupManager
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* @param IUserManager $userManager
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* @param IManager $contactsManager
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* @param IConfig $config
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* @param IUserSession $userSession
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* @param IURLGenerator $urlGenerator
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* @param ILogger $logger
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* @param \OCP\Share\IManager $shareManager
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* @param IClientService $clientService
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*/
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public function __construct($appName,
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IRequest $request,
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IGroupManager $groupManager,
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IUserManager $userManager,
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IManager $contactsManager,
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IConfig $config,
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IUserSession $userSession,
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IURLGenerator $urlGenerator,
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ILogger $logger,
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\OCP\Share\IManager $shareManager,
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IClientService $clientService) {
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parent::__construct($appName, $request);
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$this->groupManager = $groupManager;
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$this->userManager = $userManager;
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$this->contactsManager = $contactsManager;
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$this->config = $config;
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$this->userSession = $userSession;
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$this->urlGenerator = $urlGenerator;
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$this->logger = $logger;
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$this->shareManager = $shareManager;
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$this->clientService = $clientService;
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}
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/**
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* @param string $search
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*/
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protected function getUsers($search) {
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$this->result['users'] = $this->result['exact']['users'] = $users = [];
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$userGroups = [];
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if ($this->shareWithGroupOnly) {
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// Search in all the groups this user is part of
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$userGroups = $this->groupManager->getUserGroupIds($this->userSession->getUser());
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foreach ($userGroups as $userGroup) {
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$usersTmp = $this->groupManager->displayNamesInGroup($userGroup, $search, $this->limit, $this->offset);
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foreach ($usersTmp as $uid => $userDisplayName) {
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$users[$uid] = $userDisplayName;
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}
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}
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} else {
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// Search in all users
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$usersTmp = $this->userManager->searchDisplayName($search, $this->limit, $this->offset);
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foreach ($usersTmp as $user) {
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$users[$user->getUID()] = $user->getDisplayName();
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}
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}
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if (!$this->shareeEnumeration || sizeof($users) < $this->limit) {
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$this->reachedEndFor[] = 'users';
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}
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$foundUserById = false;
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foreach ($users as $uid => $userDisplayName) {
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if (strtolower($uid) === strtolower($search) || strtolower($userDisplayName) === strtolower($search)) {
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if (strtolower($uid) === strtolower($search)) {
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$foundUserById = true;
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}
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$this->result['exact']['users'][] = [
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'label' => $userDisplayName,
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'value' => [
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'shareType' => Share::SHARE_TYPE_USER,
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'shareWith' => $uid,
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],
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];
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} else {
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$this->result['users'][] = [
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'label' => $userDisplayName,
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'value' => [
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'shareType' => Share::SHARE_TYPE_USER,
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'shareWith' => $uid,
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],
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];
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}
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}
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if ($this->offset === 0 && !$foundUserById) {
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// On page one we try if the search result has a direct hit on the
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// user id and if so, we add that to the exact match list
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$user = $this->userManager->get($search);
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if ($user instanceof IUser) {
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$addUser = true;
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if ($this->shareWithGroupOnly) {
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// Only add, if we have a common group
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$commonGroups = array_intersect($userGroups, $this->groupManager->getUserGroupIds($user));
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$addUser = !empty($commonGroups);
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}
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if ($addUser) {
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array_push($this->result['exact']['users'], [
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'label' => $user->getDisplayName(),
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'value' => [
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'shareType' => Share::SHARE_TYPE_USER,
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'shareWith' => $user->getUID(),
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],
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]);
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}
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}
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}
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if (!$this->shareeEnumeration) {
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$this->result['users'] = [];
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}
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}
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/**
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* @param string $search
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*/
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protected function getGroups($search) {
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$this->result['groups'] = $this->result['exact']['groups'] = [];
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$groups = $this->groupManager->search($search, $this->limit, $this->offset);
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$groups = array_map(function (IGroup $group) { return $group->getGID(); }, $groups);
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if (!$this->shareeEnumeration || sizeof($groups) < $this->limit) {
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$this->reachedEndFor[] = 'groups';
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}
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$userGroups = [];
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if (!empty($groups) && $this->shareWithGroupOnly) {
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// Intersect all the groups that match with the groups this user is a member of
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$userGroups = $this->groupManager->getUserGroups($this->userSession->getUser());
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$userGroups = array_map(function (IGroup $group) { return $group->getGID(); }, $userGroups);
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$groups = array_intersect($groups, $userGroups);
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}
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foreach ($groups as $gid) {
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if (strtolower($gid) === strtolower($search)) {
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$this->result['exact']['groups'][] = [
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'label' => $gid,
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'value' => [
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'shareType' => Share::SHARE_TYPE_GROUP,
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'shareWith' => $gid,
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],
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];
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} else {
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$this->result['groups'][] = [
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'label' => $gid,
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'value' => [
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'shareType' => Share::SHARE_TYPE_GROUP,
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'shareWith' => $gid,
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],
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];
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}
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}
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if ($this->offset === 0 && empty($this->result['exact']['groups'])) {
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// On page one we try if the search result has a direct hit on the
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// user id and if so, we add that to the exact match list
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$group = $this->groupManager->get($search);
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if ($group instanceof IGroup && (!$this->shareWithGroupOnly || in_array($group->getGID(), $userGroups))) {
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array_push($this->result['exact']['groups'], [
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'label' => $group->getGID(),
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'value' => [
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'shareType' => Share::SHARE_TYPE_GROUP,
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'shareWith' => $group->getGID(),
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],
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]);
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}
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}
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if (!$this->shareeEnumeration) {
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$this->result['groups'] = [];
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}
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}
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/**
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* @param string $search
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* @return array
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*/
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protected function getRemote($search) {
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$result = ['results' => [], 'exact' => []];
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// Search in contacts
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//@todo Pagination missing
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$addressBookContacts = $this->contactsManager->search($search, ['CLOUD', 'FN']);
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$result['exactIdMatch'] = false;
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foreach ($addressBookContacts as $contact) {
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if (isset($contact['isLocalSystemBook'])) {
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continue;
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}
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if (isset($contact['CLOUD'])) {
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$cloudIds = $contact['CLOUD'];
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if (!is_array($cloudIds)) {
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$cloudIds = [$cloudIds];
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}
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foreach ($cloudIds as $cloudId) {
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list(, $serverUrl) = $this->splitUserRemote($cloudId);
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if (strtolower($contact['FN']) === strtolower($search) || strtolower($cloudId) === strtolower($search)) {
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if (strtolower($cloudId) === strtolower($search)) {
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$result['exactIdMatch'] = true;
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}
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$result['exact'][] = [
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'label' => $contact['FN'] . " ($cloudId)",
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'value' => [
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'shareType' => Share::SHARE_TYPE_REMOTE,
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'shareWith' => $cloudId,
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'server' => $serverUrl,
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],
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];
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} else {
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$result['results'][] = [
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'label' => $contact['FN'] . " ($cloudId)",
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'value' => [
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'shareType' => Share::SHARE_TYPE_REMOTE,
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'shareWith' => $cloudId,
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'server' => $serverUrl,
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],
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];
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}
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}
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}
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}
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if (!$this->shareeEnumeration) {
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$result['results'] = [];
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}
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if (!$result['exactIdMatch'] && substr_count($search, '@') >= 1 && $this->offset === 0) {
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$result['exact'][] = [
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'label' => $search,
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'value' => [
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'shareType' => Share::SHARE_TYPE_REMOTE,
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'shareWith' => $search,
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],
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];
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}
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$this->reachedEndFor[] = 'remotes';
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return $result;
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}
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/**
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* split user and remote from federated cloud id
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*
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* @param string $address federated share address
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* @return array [user, remoteURL]
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* @throws \Exception
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*/
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public function splitUserRemote($address) {
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if (strpos($address, '@') === false) {
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throw new \Exception('Invalid Federated Cloud ID');
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}
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// Find the first character that is not allowed in user names
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$id = str_replace('\\', '/', $address);
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$posSlash = strpos($id, '/');
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$posColon = strpos($id, ':');
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if ($posSlash === false && $posColon === false) {
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$invalidPos = strlen($id);
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} else if ($posSlash === false) {
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$invalidPos = $posColon;
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} else if ($posColon === false) {
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$invalidPos = $posSlash;
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} else {
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$invalidPos = min($posSlash, $posColon);
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}
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// Find the last @ before $invalidPos
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$pos = $lastAtPos = 0;
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while ($lastAtPos !== false && $lastAtPos <= $invalidPos) {
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$pos = $lastAtPos;
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$lastAtPos = strpos($id, '@', $pos + 1);
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}
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if ($pos !== false) {
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$user = substr($id, 0, $pos);
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$remote = substr($id, $pos + 1);
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$remote = $this->fixRemoteURL($remote);
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if (!empty($user) && !empty($remote)) {
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return array($user, $remote);
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}
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}
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throw new \Exception('Invalid Federated Cloud ID');
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}
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/**
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* Strips away a potential file names and trailing slashes:
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* - http://localhost
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* - http://localhost/
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* - http://localhost/index.php
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* - http://localhost/index.php/s/{shareToken}
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*
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* all return: http://localhost
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*
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* @param string $remote
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* @return string
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*/
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protected function fixRemoteURL($remote) {
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$remote = str_replace('\\', '/', $remote);
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if ($fileNamePosition = strpos($remote, '/index.php')) {
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$remote = substr($remote, 0, $fileNamePosition);
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}
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$remote = rtrim($remote, '/');
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return $remote;
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}
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/**
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* @NoAdminRequired
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*
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* @param string $search
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* @param string $itemType
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* @param int $page
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* @param int $perPage
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* @param int|int[] $shareType
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* @param bool $lookup
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* @return DataResponse
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* @throws OCSBadRequestException
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*/
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public function search($search = '', $itemType = null, $page = 1, $perPage = 200, $shareType = null, $lookup = true) {
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// only search for string larger than a given threshold
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$threshold = (int)$this->config->getSystemValue('sharing.minSearchStringLength', 0);
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if (strlen($search) < $threshold) {
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return new DataResponse($this->result);
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}
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// never return more than the max. number of results configured in the config.php
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$maxResults = (int)$this->config->getSystemValue('sharing.maxAutocompleteResults', 0);
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if ($maxResults > 0) {
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$perPage = min($perPage, $maxResults);
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}
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if ($perPage <= 0) {
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throw new OCSBadRequestException('Invalid perPage argument');
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}
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if ($page <= 0) {
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throw new OCSBadRequestException('Invalid page');
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}
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$shareTypes = [
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Share::SHARE_TYPE_USER,
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];
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if ($itemType === 'file' || $itemType === 'folder') {
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if ($this->shareManager->allowGroupSharing()) {
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$shareTypes[] = Share::SHARE_TYPE_GROUP;
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}
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if ($this->isRemoteSharingAllowed($itemType)) {
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$shareTypes[] = Share::SHARE_TYPE_REMOTE;
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}
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if ($this->shareManager->shareProviderExists(Share::SHARE_TYPE_EMAIL)) {
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$shareTypes[] = Share::SHARE_TYPE_EMAIL;
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}
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} else {
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$shareTypes[] = Share::SHARE_TYPE_GROUP;
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$shareTypes[] = Share::SHARE_TYPE_EMAIL;
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}
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if (isset($_GET['shareType']) && is_array($_GET['shareType'])) {
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$shareTypes = array_intersect($shareTypes, $_GET['shareType']);
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sort($shareTypes);
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} else if (is_numeric($shareType)) {
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$shareTypes = array_intersect($shareTypes, [(int) $shareType]);
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sort($shareTypes);
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}
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$this->shareWithGroupOnly = $this->config->getAppValue('core', 'shareapi_only_share_with_group_members', 'no') === 'yes';
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$this->shareeEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes';
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$this->limit = (int) $perPage;
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$this->offset = $perPage * ($page - 1);
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return $this->searchSharees($search, $itemType, $shareTypes, $page, $perPage, $lookup);
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}
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/**
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* Method to get out the static call for better testing
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*
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* @param string $itemType
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* @return bool
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*/
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protected function isRemoteSharingAllowed($itemType) {
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try {
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$backend = Share::getBackend($itemType);
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return $backend->isShareTypeAllowed(Share::SHARE_TYPE_REMOTE);
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} catch (\Exception $e) {
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return false;
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}
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}
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/**
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* Testable search function that does not need globals
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*
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* @param string $search
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* @param string $itemType
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* @param array $shareTypes
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* @param int $page
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* @param int $perPage
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* @param bool $lookup
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* @return DataResponse
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* @throws OCSBadRequestException
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*/
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protected function searchSharees($search, $itemType, array $shareTypes, $page, $perPage, $lookup) {
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// Verify arguments
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if ($itemType === null) {
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throw new OCSBadRequestException('Missing itemType');
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}
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// Get users
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if (in_array(Share::SHARE_TYPE_USER, $shareTypes)) {
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$this->getUsers($search);
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}
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// Get groups
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if (in_array(Share::SHARE_TYPE_GROUP, $shareTypes)) {
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$this->getGroups($search);
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}
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// Get remote
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$remoteResults = ['results' => [], 'exact' => [], 'exactIdMatch' => false];
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if (in_array(Share::SHARE_TYPE_REMOTE, $shareTypes)) {
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$remoteResults = $this->getRemote($search);
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}
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|
|
// Get emails
|
|
$mailResults = ['results' => [], 'exact' => [], 'exactIdMatch' => false];
|
|
if (in_array(Share::SHARE_TYPE_EMAIL, $shareTypes)) {
|
|
$mailResults = $this->getEmail($search);
|
|
}
|
|
|
|
// Get from lookup server
|
|
if ($lookup) {
|
|
$this->getLookup($search);
|
|
}
|
|
|
|
// if we have a exact match, either for the federated cloud id or for the
|
|
// email address we only return the exact match. It is highly unlikely
|
|
// that the exact same email address and federated cloud id exists
|
|
if ($mailResults['exactIdMatch'] && !$remoteResults['exactIdMatch']) {
|
|
$this->result['emails'] = $mailResults['results'];
|
|
$this->result['exact']['emails'] = $mailResults['exact'];
|
|
} else if (!$mailResults['exactIdMatch'] && $remoteResults['exactIdMatch']) {
|
|
$this->result['remotes'] = $remoteResults['results'];
|
|
$this->result['exact']['remotes'] = $remoteResults['exact'];
|
|
} else {
|
|
$this->result['remotes'] = $remoteResults['results'];
|
|
$this->result['exact']['remotes'] = $remoteResults['exact'];
|
|
$this->result['emails'] = $mailResults['results'];
|
|
$this->result['exact']['emails'] = $mailResults['exact'];
|
|
}
|
|
|
|
$response = new DataResponse($this->result);
|
|
|
|
if (sizeof($this->reachedEndFor) < 3) {
|
|
$response->addHeader('Link', $this->getPaginationLink($page, [
|
|
'search' => $search,
|
|
'itemType' => $itemType,
|
|
'shareType' => $shareTypes,
|
|
'perPage' => $perPage,
|
|
]));
|
|
}
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* @param string $search
|
|
* @return array
|
|
*/
|
|
protected function getEmail($search) {
|
|
$result = ['results' => [], 'exact' => []];
|
|
|
|
// Search in contacts
|
|
//@todo Pagination missing
|
|
$addressBookContacts = $this->contactsManager->search($search, ['EMAIL', 'FN']);
|
|
$result['exactIdMatch'] = false;
|
|
foreach ($addressBookContacts as $contact) {
|
|
if (isset($contact['isLocalSystemBook'])) {
|
|
continue;
|
|
}
|
|
if (isset($contact['EMAIL'])) {
|
|
$emailAddresses = $contact['EMAIL'];
|
|
if (!is_array($emailAddresses)) {
|
|
$emailAddresses = [$emailAddresses];
|
|
}
|
|
foreach ($emailAddresses as $emailAddress) {
|
|
if (strtolower($contact['FN']) === strtolower($search) || strtolower($emailAddress) === strtolower($search)) {
|
|
if (strtolower($emailAddress) === strtolower($search)) {
|
|
$result['exactIdMatch'] = true;
|
|
}
|
|
$result['exact'][] = [
|
|
'label' => $contact['FN'] . " ($emailAddress)",
|
|
'value' => [
|
|
'shareType' => Share::SHARE_TYPE_EMAIL,
|
|
'shareWith' => $emailAddress,
|
|
],
|
|
];
|
|
} else {
|
|
$result['results'][] = [
|
|
'label' => $contact['FN'] . " ($emailAddress)",
|
|
'value' => [
|
|
'shareType' => Share::SHARE_TYPE_EMAIL,
|
|
'shareWith' => $emailAddress,
|
|
],
|
|
];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$this->shareeEnumeration) {
|
|
$result['results'] = [];
|
|
}
|
|
|
|
if (!$result['exactIdMatch'] && filter_var($search, FILTER_VALIDATE_EMAIL)) {
|
|
$result['exact'][] = [
|
|
'label' => $search,
|
|
'value' => [
|
|
'shareType' => Share::SHARE_TYPE_EMAIL,
|
|
'shareWith' => $search,
|
|
],
|
|
];
|
|
}
|
|
|
|
$this->reachedEndFor[] = 'emails';
|
|
|
|
return $result;
|
|
}
|
|
|
|
protected function getLookup($search) {
|
|
$isEnabled = $this->config->getAppValue('files_sharing', 'lookupServerEnabled', 'no');
|
|
$result = [];
|
|
|
|
if($isEnabled === 'yes') {
|
|
try {
|
|
$client = $this->clientService->newClient();
|
|
$response = $client->get(
|
|
'https://lookup.nextcloud.com/users?search=' . urlencode($search),
|
|
[
|
|
'timeout' => 10,
|
|
'connect_timeout' => 3,
|
|
]
|
|
);
|
|
|
|
$body = json_decode($response->getBody(), true);
|
|
|
|
$result = [];
|
|
foreach ($body as $lookup) {
|
|
$result[] = [
|
|
'label' => $lookup['federationId'],
|
|
'value' => [
|
|
'shareType' => Share::SHARE_TYPE_REMOTE,
|
|
'shareWith' => $lookup['federationId'],
|
|
],
|
|
'extra' => $lookup,
|
|
];
|
|
}
|
|
} catch (\Exception $e) {}
|
|
}
|
|
|
|
$this->result['lookup'] = $result;
|
|
}
|
|
|
|
/**
|
|
* Generates a bunch of pagination links for the current page
|
|
*
|
|
* @param int $page Current page
|
|
* @param array $params Parameters for the URL
|
|
* @return string
|
|
*/
|
|
protected function getPaginationLink($page, array $params) {
|
|
if ($this->isV2()) {
|
|
$url = $this->urlGenerator->getAbsoluteURL('/ocs/v2.php/apps/files_sharing/api/v1/sharees') . '?';
|
|
} else {
|
|
$url = $this->urlGenerator->getAbsoluteURL('/ocs/v1.php/apps/files_sharing/api/v1/sharees') . '?';
|
|
}
|
|
$params['page'] = $page + 1;
|
|
$link = '<' . $url . http_build_query($params) . '>; rel="next"';
|
|
|
|
return $link;
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
protected function isV2() {
|
|
return $this->request->getScriptName() === '/ocs/v2.php';
|
|
}
|
|
}
|