891 lines
24 KiB
PHP
891 lines
24 KiB
PHP
<?php
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/**
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* @author Roeland Jago Douma <rullzer@owncloud.com>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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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 OC\Share20;
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use OC\Share20\Exception\ProviderException;
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use OCP\IConfig;
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use OCP\IL10N;
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use OCP\ILogger;
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use OCP\Security\ISecureRandom;
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use OCP\Security\IHasher;
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use OCP\Files\Mount\IMountManager;
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use OCP\IGroupManager;
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use OCP\Files\File;
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use OCP\Files\Folder;
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use OCP\IUser;
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use OC\Share20\Exception\ShareNotFound;
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use OC\HintException;
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/**
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* This class is the communication hub for all sharing related operations.
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*/
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class Manager {
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/** @var array */
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private $providers;
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/** @var array */
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private $type2provider;
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/** @var ILogger */
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private $logger;
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/** @var IConfig */
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private $config;
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/** @var ISecureRandom */
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private $secureRandom;
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/** @var IHasher */
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private $hasher;
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/** @var IMountManager */
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private $mountManager;
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/** @var IGroupManager */
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private $groupManager;
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/** @var IL10N */
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private $l;
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/**
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* Manager constructor.
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*
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* @param ILogger $logger
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* @param IConfig $config
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* @param ISecureRandom $secureRandom
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* @param IHasher $hasher
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* @param IMountManager $mountManager
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* @param IGroupManager $groupManager
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* @param IL10N $l
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*/
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public function __construct(
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ILogger $logger,
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IConfig $config,
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ISecureRandom $secureRandom,
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IHasher $hasher,
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IMountManager $mountManager,
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IGroupManager $groupManager,
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IL10N $l
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) {
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$this->providers = [];
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$this->type2provider = [];
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$this->logger = $logger;
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$this->config = $config;
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$this->secureRandom = $secureRandom;
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$this->hasher = $hasher;
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$this->mountManager = $mountManager;
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$this->groupManager = $groupManager;
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$this->l = $l;
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}
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/**
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* Register a share provider
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*
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* @param string $id The id of the share provider
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* @param int[] $shareTypes Array containing the share types this provider handles
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* @param callable $callback Callback that must return an IShareProvider instance
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* @throws ProviderException
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*/
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public function registerProvider($id, $shareTypes, callable $callback) {
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// Providers must have an unique id
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if (isset($this->providers[$id])) {
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throw new ProviderException('A share provider with the id \''. $id . '\' is already registered');
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}
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if ($shareTypes === []) {
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throw new ProviderException('shareTypes can\'t be an empty array');
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}
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foreach($shareTypes as $shareType) {
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// We only have 1 provder per share type
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if (isset($this->type2provider[$shareType])) {
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throw new ProviderException('The share provider ' . $this->type2provider[$shareType] . ' is already registered for share type ' . $shareType);
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}
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/*
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* We only allow providers that provider
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* user- / group- / link- / federated-shares
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*/
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if ($shareType !== \OCP\Share::SHARE_TYPE_USER &&
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$shareType !== \OCP\Share::SHARE_TYPE_GROUP &&
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$shareType !== \OCP\Share::SHARE_TYPE_LINK &&
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$shareType !== \OCP\Share::SHARE_TYPE_REMOTE) {
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throw new ProviderException('Cannot register provider for share type ' . $shareType);
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//Throw exception
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}
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}
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// Add the provider
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$this->providers[$id] = [
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'id' => $id,
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'callback' => $callback,
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'provider' => null,
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'shareTypes' => $shareTypes,
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];
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// Update the type mapping
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foreach ($shareTypes as $shareType) {
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$this->type2provider[$shareType] = $id;
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}
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}
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/**
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* @param string $id
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* @return IShareProvider
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* @throws ProviderException
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*/
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private function getProvider($id) {
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if (!isset($this->providers[$id])) {
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throw new ProviderException('No provider with id ' . $id . ' found');
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}
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if ($this->providers[$id]['provider'] === null) {
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// First time using this provider
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$provider = call_user_func($this->providers[$id]['callback']);
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// Make sure a proper provider is returned
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if (!($provider instanceof IShareProvider)) {
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throw new ProviderException('Callback does not return an IShareProvider instance for provider with id ' . $id);
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}
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$this->providers[$id]['provider'] = $provider;
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}
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return $this->providers[$id]['provider'];
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}
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/**
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* @param int $shareType
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* @return IShareProvider
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* @throws ProviderException
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*/
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private function getProviderForType($shareType) {
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if (!isset($this->type2provider[$shareType])) {
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throw new ProviderException('No share provider registered for share type ' . $shareType);
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}
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return $this->getProvider($this->type2provider[$shareType]);
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}
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/**
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* Verify if a password meets all requirements
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*
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* @param string $password
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* @throws \Exception
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*/
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protected function verifyPassword($password) {
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if ($password === null) {
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// No password is set, check if this is allowed.
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if ($this->shareApiLinkEnforcePassword()) {
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throw new \InvalidArgumentException('Passwords are enforced for link shares');
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}
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return;
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}
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// Let others verify the password
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$accepted = true;
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$message = '';
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\OCP\Util::emitHook('\OC\Share', 'verifyPassword', [
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'password' => $password,
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'accepted' => &$accepted,
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'message' => &$message
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]);
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if (!$accepted) {
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throw new \Exception($message);
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}
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}
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/**
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* Check for generic requirements before creating a share
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*
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* @param IShare $share
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* @throws \Exception
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*/
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protected function generalCreateChecks(IShare $share) {
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
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// We expect a valid user as sharedWith for user shares
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if (!($share->getSharedWith() instanceof \OCP\IUser)) {
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throw new \InvalidArgumentException('SharedWith should be an IUser');
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}
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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// We expect a valid group as sharedWith for group shares
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if (!($share->getSharedWith() instanceof \OCP\IGroup)) {
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throw new \InvalidArgumentException('SharedWith should be an IGroup');
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}
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
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if ($share->getSharedWith() !== null) {
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throw new \InvalidArgumentException('SharedWith should be empty');
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}
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} else {
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// We can't handle other types yet
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throw new \InvalidArgumentException('unkown share type');
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}
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// Verify the initiator of the share is et
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if ($share->getSharedBy() === null) {
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throw new \InvalidArgumentException('SharedBy should be set');
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}
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// Cannot share with yourself
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if ($share->getSharedWith() === $share->getSharedBy()) {
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throw new \InvalidArgumentException('Can\'t share with yourself');
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}
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// The path should be set
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if ($share->getPath() === null) {
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throw new \InvalidArgumentException('Path should be set');
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}
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// And it should be a file or a folder
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if (!($share->getPath() instanceof \OCP\Files\File) &&
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!($share->getPath() instanceof \OCP\Files\Folder)) {
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throw new \InvalidArgumentException('Path should be either a file or a folder');
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}
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// Check if we actually have share permissions
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if (!$share->getPath()->isShareable()) {
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$message_t = $this->l->t('You are not allowed to share %s', [$share->getPath()->getPath()]);
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throw new HintException($message_t, $message_t, 404);
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}
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// Permissions should be set
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if ($share->getPermissions() === null) {
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throw new \InvalidArgumentException('A share requires permissions');
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}
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// Check that we do not share with more permissions than we have
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if ($share->getPermissions() & ~$share->getPath()->getPermissions()) {
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$message_t = $this->l->t('Cannot increase permissions of %s', [$share->getPath()->getPath()]);
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throw new HintException($message_t, $message_t, 404);
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}
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// Check that read permissions are always set
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if (($share->getPermissions() & \OCP\Constants::PERMISSION_READ) === 0) {
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throw new \InvalidArgumentException('Shares need at least read permissions');
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}
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}
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/**
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* Validate if the expiration date fits the system settings
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*
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* @param \DateTime $expireDate The current expiration date (can be null)
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* @return \DateTime|null The expiration date or null if $expireDate was null and it is not required
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* @throws \OC\HintException
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*/
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protected function validateExpiredate($expireDate) {
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if ($expireDate !== null) {
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//Make sure the expiration date is a date
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$expireDate->setTime(0, 0, 0);
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$date = new \DateTime();
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$date->setTime(0, 0, 0);
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if ($date >= $expireDate) {
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$message = $this->l->t('Expiration date is in the past');
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throw new \OC\HintException($message, $message, 404);
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}
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}
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// If we enforce the expiration date check that is does not exceed
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if ($this->shareApiLinkDefaultExpireDateEnforced()) {
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if ($expireDate === null) {
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throw new \InvalidArgumentException('Expiration date is enforced');
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}
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$date = new \DateTime();
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$date->setTime(0, 0, 0);
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$date->add(new \DateInterval('P' . $this->shareApiLinkDefaultExpireDays() . 'D'));
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if ($date < $expireDate) {
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$message = $this->l->t('Cannot set expiration date more than %s days in the future', [$this->shareApiLinkDefaultExpireDays()]);
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throw new \OC\HintException($message, $message, 404);
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}
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return $expireDate;
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}
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// If expiredate is empty set a default one if there is a default
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if ($expireDate === null && $this->shareApiLinkDefaultExpireDate()) {
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$date = new \DateTime();
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$date->setTime(0,0,0);
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$date->add(new \DateInterval('P'.$this->shareApiLinkDefaultExpireDays().'D'));
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return $date;
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}
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return $expireDate;
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}
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/**
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* Check for pre share requirements for user shares
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*
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* @param IShare $share
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* @throws \Exception
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*/
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protected function userCreateChecks(IShare $share) {
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// Check if we can share with group members only
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if ($this->shareWithGroupMembersOnly()) {
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// Verify we can share with this user
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$groups = array_intersect(
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$this->groupManager->getUserGroupIds($share->getSharedBy()),
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$this->groupManager->getUserGroupIds($share->getSharedWith())
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);
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if (empty($groups)) {
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throw new \Exception('Only sharing with group members is allowed');
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}
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}
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/*
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* TODO: Could be costly, fix
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*
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* Also this is not what we want in the future.. then we want to squash identical shares.
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*/
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$provider = $this->getProviderForType(\OCP\Share::SHARE_TYPE_USER);
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$existingShares = $provider->getSharesByPath($share->getPath());
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foreach($existingShares as $existingShare) {
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// Identical share already existst
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if ($existingShare->getSharedWith() === $share->getSharedWith()) {
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throw new \Exception('Path already shared with this user');
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}
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// The share is already shared with this user via a group share
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if ($existingShare->getShareType() === \OCP\Share::SHARE_TYPE_GROUP &&
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$existingShare->getSharedWith()->inGroup($share->getSharedWith()) &&
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$existingShare->getShareOwner() !== $share->getShareOwner()) {
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throw new \Exception('Path already shared with this user');
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}
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}
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}
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/**
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* Check for pre share requirements for group shares
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*
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* @param IShare $share
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* @throws \Exception
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*/
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protected function groupCreateChecks(IShare $share) {
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// Verify if the user can share with this group
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if ($this->shareWithGroupMembersOnly()) {
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if (!$share->getSharedWith()->inGroup($share->getSharedBy())) {
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throw new \Exception('Only sharing within your own groups is allowed');
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}
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}
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/*
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* TODO: Could be costly, fix
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*
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* Also this is not what we want in the future.. then we want to squash identical shares.
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*/
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$provider = $this->getProviderForType(\OCP\Share::SHARE_TYPE_GROUP);
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$existingShares = $provider->getSharesByPath($share->getPath());
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foreach($existingShares as $existingShare) {
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if ($existingShare->getSharedWith() === $share->getSharedWith()) {
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throw new \Exception('Path already shared with this group');
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}
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}
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}
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/**
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* Check for pre share requirements for link shares
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*
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* @param IShare $share
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* @throws \Exception
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*/
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protected function linkCreateChecks(IShare $share) {
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// Are link shares allowed?
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if (!$this->shareApiAllowLinks()) {
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throw new \Exception('Link sharing not allowed');
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}
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// Link shares by definition can't have share permissions
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if ($share->getPermissions() & \OCP\Constants::PERMISSION_SHARE) {
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throw new \InvalidArgumentException('Link shares can\'t have reshare permissions');
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}
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// We don't allow deletion on link shares
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if ($share->getPermissions() & \OCP\Constants::PERMISSION_DELETE) {
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throw new \InvalidArgumentException('Link shares can\'t have delete permissions');
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}
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// Check if public upload is allowed
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if (!$this->shareApiLinkAllowPublicUpload() &&
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($share->getPermissions() & (\OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE))) {
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throw new \InvalidArgumentException('Public upload not allowed');
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}
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}
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/**
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* @param File|Folder $path
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*/
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protected function pathCreateChecks($path) {
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// Make sure that we do not share a path that contains a shared mountpoint
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if ($path instanceof \OCP\Files\Folder) {
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$mounts = $this->mountManager->findIn($path->getPath());
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foreach($mounts as $mount) {
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if ($mount->getStorage()->instanceOfStorage('\OCA\Files_Sharing\ISharedStorage')) {
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throw new \InvalidArgumentException('Path contains files shared with you');
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}
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}
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}
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}
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/**
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* Check if the user that is sharing can actually share
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*
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* @param IShare $share
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* @return bool
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*/
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protected function canShare(IShare $share) {
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if (!$this->shareApiEnabled()) {
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return false;
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}
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if ($this->isSharingDisabledForUser($share->getSharedBy())) {
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return false;
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}
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return true;
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}
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/**
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* Share a path
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*
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* @param IShare $share
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* @return Share The share object
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* @throws \Exception
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*
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* TODO: handle link share permissions or check them
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*/
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public function createShare(IShare $share) {
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if (!$this->canShare($share)) {
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throw new \Exception('The Share API is disabled');
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}
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$this->generalCreateChecks($share);
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//Verify share type
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
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$this->userCreateChecks($share);
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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$this->groupCreateChecks($share);
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
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$this->linkCreateChecks($share);
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/*
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* For now ignore a set token.
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*/
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$share->setToken(
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$this->secureRandom->generate(
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\OC\Share\Constants::TOKEN_LENGTH,
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\OCP\Security\ISecureRandom::CHAR_LOWER.
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\OCP\Security\ISecureRandom::CHAR_UPPER.
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\OCP\Security\ISecureRandom::CHAR_DIGITS
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)
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);
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//Verify the expiration date
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$share->setExpirationDate($this->validateExpiredate($share->getExpirationDate()));
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//Verify the password
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$this->verifyPassword($share->getPassword());
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// If a password is set. Hash it!
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if ($share->getPassword() !== null) {
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$share->setPassword($this->hasher->hash($share->getPassword()));
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}
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}
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// Verify if there are any issues with the path
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$this->pathCreateChecks($share->getPath());
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// On creation of a share the owner is always the owner of the path
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$share->setShareOwner($share->getPath()->getOwner());
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// Generate the target
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$target = $this->config->getSystemValue('share_folder', '/') .'/'. $share->getPath()->getName();
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$target = \OC\Files\Filesystem::normalizePath($target);
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$share->setTarget($target);
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// Pre share hook
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$run = true;
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$error = '';
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$preHookData = [
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'itemType' => $share->getPath() instanceof \OCP\Files\File ? 'file' : 'folder',
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'itemSource' => $share->getPath()->getId(),
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|
'shareType' => $share->getShareType(),
|
|
'uidOwner' => $share->getSharedBy()->getUID(),
|
|
'permissions' => $share->getPermissions(),
|
|
'fileSource' => $share->getPath()->getId(),
|
|
'expiration' => $share->getExpirationDate(),
|
|
'token' => $share->getToken(),
|
|
'run' => &$run,
|
|
'error' => &$error
|
|
];
|
|
\OC_Hook::emit('OCP\Share', 'pre_shared', $preHookData);
|
|
|
|
if ($run === false) {
|
|
throw new \Exception($error);
|
|
}
|
|
|
|
$provider = $this->getProviderForType($share->getShareType());
|
|
$share = $provider->create($share);
|
|
|
|
// Post share hook
|
|
$postHookData = [
|
|
'itemType' => $share->getPath() instanceof \OCP\Files\File ? 'file' : 'folder',
|
|
'itemSource' => $share->getPath()->getId(),
|
|
'shareType' => $share->getShareType(),
|
|
'uidOwner' => $share->getSharedBy()->getUID(),
|
|
'permissions' => $share->getPermissions(),
|
|
'fileSource' => $share->getPath()->getId(),
|
|
'expiration' => $share->getExpirationDate(),
|
|
'token' => $share->getToken(),
|
|
'id' => $share->getId(),
|
|
];
|
|
\OC_Hook::emit('OCP\Share', 'post_shared', $postHookData);
|
|
|
|
return $share;
|
|
}
|
|
|
|
/**
|
|
* Update a share
|
|
*
|
|
* @param Share $share
|
|
* @return Share The share object
|
|
*/
|
|
public function updateShare(Share $share) {
|
|
}
|
|
|
|
/**
|
|
* Delete all the children of this share
|
|
*
|
|
* @param IShare $share
|
|
* @return IShare[] List of deleted shares
|
|
*/
|
|
protected function deleteChildren(IShare $share) {
|
|
$deletedShares = [];
|
|
|
|
$providerIds = array_keys($this->providers);
|
|
|
|
foreach($providerIds as $providerId) {
|
|
$provider = $this->getProvider($providerId);
|
|
foreach ($provider->getChildren($share) as $child) {
|
|
$deletedChildren = $this->deleteChildren($child);
|
|
$deletedShares = array_merge($deletedShares, $deletedChildren);
|
|
|
|
$provider->delete($child);
|
|
$deletedShares[] = $child;
|
|
}
|
|
}
|
|
|
|
return $deletedShares;
|
|
}
|
|
|
|
/**
|
|
* Delete a share
|
|
*
|
|
* @param IShare $share
|
|
* @throws ShareNotFound
|
|
* @throws \OC\Share20\Exception\BackendError
|
|
*/
|
|
public function deleteShare(IShare $share) {
|
|
// Just to make sure we have all the info
|
|
$share = $this->getShareById($share->getId());
|
|
|
|
$formatHookParams = function(IShare $share) {
|
|
// Prepare hook
|
|
$shareType = $share->getShareType();
|
|
$sharedWith = '';
|
|
if ($shareType === \OCP\Share::SHARE_TYPE_USER) {
|
|
$sharedWith = $share->getSharedWith()->getUID();
|
|
} else if ($shareType === \OCP\Share::SHARE_TYPE_GROUP) {
|
|
$sharedWith = $share->getSharedWith()->getGID();
|
|
} else if ($shareType === \OCP\Share::SHARE_TYPE_REMOTE) {
|
|
$sharedWith = $share->getSharedWith();
|
|
}
|
|
|
|
$hookParams = [
|
|
'id' => $share->getId(),
|
|
'itemType' => $share->getPath() instanceof \OCP\Files\File ? 'file' : 'folder',
|
|
'itemSource' => $share->getPath()->getId(),
|
|
'shareType' => $shareType,
|
|
'shareWith' => $sharedWith,
|
|
'itemparent' => $share->getParent(),
|
|
'uidOwner' => $share->getSharedBy()->getUID(),
|
|
'fileSource' => $share->getPath()->getId(),
|
|
'fileTarget' => $share->getTarget()
|
|
];
|
|
return $hookParams;
|
|
};
|
|
|
|
$hookParams = $formatHookParams($share);
|
|
|
|
// Emit pre-hook
|
|
\OC_Hook::emit('OCP\Share', 'pre_unshare', $hookParams);
|
|
|
|
// Get all children and delete them as well
|
|
$deletedShares = $this->deleteChildren($share);
|
|
|
|
// Do the actual delete
|
|
$provider = $this->getProviderForType($share->getShareType());
|
|
$provider->delete($share);
|
|
|
|
// All the deleted shares caused by this delete
|
|
$deletedShares[] = $share;
|
|
|
|
//Format hook info
|
|
$formattedDeletedShares = array_map(function($share) use ($formatHookParams) {
|
|
return $formatHookParams($share);
|
|
}, $deletedShares);
|
|
|
|
$hookParams['deletedShares'] = $formattedDeletedShares;
|
|
|
|
// Emit post hook
|
|
\OC_Hook::emit('OCP\Share', 'post_unshare', $hookParams);
|
|
}
|
|
|
|
/**
|
|
* Retrieve all shares by the current user
|
|
*
|
|
* @param int $page
|
|
* @param int $perPage
|
|
* @return Share[]
|
|
*/
|
|
public function getShares($page=0, $perPage=50) {
|
|
}
|
|
|
|
/**
|
|
* Retrieve a share by the share id
|
|
*
|
|
* @param string $id
|
|
* @return Share
|
|
*
|
|
* @throws ShareNotFound
|
|
*/
|
|
public function getShareById($id) {
|
|
if ($id === null) {
|
|
throw new ShareNotFound();
|
|
}
|
|
|
|
//FIXME ids need to become proper providerid:shareid eventually
|
|
|
|
$providerIds = array_keys($this->providers);
|
|
|
|
$share = null;
|
|
foreach ($providerIds as $providerId) {
|
|
$provider = $this->getProvider($providerId);
|
|
|
|
try {
|
|
$share = $provider->getShareById($id);
|
|
$found = true;
|
|
break;
|
|
} catch (ShareNotFound $e) {
|
|
// Ignore
|
|
}
|
|
}
|
|
|
|
if ($share === null) {
|
|
throw new ShareNotFound();
|
|
}
|
|
|
|
return $share;
|
|
}
|
|
|
|
/**
|
|
* Get all the shares for a given path
|
|
*
|
|
* @param \OCP\Files\Node $path
|
|
* @param int $page
|
|
* @param int $perPage
|
|
*
|
|
* @return Share[]
|
|
*/
|
|
public function getSharesByPath(\OCP\Files\Node $path, $page=0, $perPage=50) {
|
|
}
|
|
|
|
/**
|
|
* Get all shares that are shared with the current user
|
|
*
|
|
* @param int $shareType
|
|
* @param int $page
|
|
* @param int $perPage
|
|
*
|
|
* @return Share[]
|
|
*/
|
|
public function getSharedWithMe($shareType = null, $page=0, $perPage=50) {
|
|
}
|
|
|
|
/**
|
|
* Get the share by token possible with password
|
|
*
|
|
* @param string $token
|
|
* @param string $password
|
|
*
|
|
* @return Share
|
|
*
|
|
* @throws ShareNotFound
|
|
*/
|
|
public function getShareByToken($token, $password=null) {
|
|
}
|
|
|
|
/**
|
|
* Get access list to a path. This means
|
|
* all the users and groups that can access a given path.
|
|
*
|
|
* Consider:
|
|
* -root
|
|
* |-folder1
|
|
* |-folder2
|
|
* |-fileA
|
|
*
|
|
* fileA is shared with user1
|
|
* folder2 is shared with group2
|
|
* folder1 is shared with user2
|
|
*
|
|
* Then the access list will to '/folder1/folder2/fileA' is:
|
|
* [
|
|
* 'users' => ['user1', 'user2'],
|
|
* 'groups' => ['group2']
|
|
* ]
|
|
*
|
|
* This is required for encryption
|
|
*
|
|
* @param \OCP\Files\Node $path
|
|
*/
|
|
public function getAccessList(\OCP\Files\Node $path) {
|
|
}
|
|
|
|
/**
|
|
* Create a new share
|
|
* @return IShare;
|
|
*/
|
|
public function newShare() {
|
|
return new \OC\Share20\Share();
|
|
}
|
|
|
|
/**
|
|
* Is the share API enabled
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function shareApiEnabled() {
|
|
return $this->config->getAppValue('core', 'shareapi_enabled', 'yes') === 'yes';
|
|
}
|
|
|
|
/**
|
|
* Is public link sharing enabled
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function shareApiAllowLinks() {
|
|
return $this->config->getAppValue('core', 'shareapi_allow_links', 'yes') === 'yes';
|
|
}
|
|
|
|
/**
|
|
* Is password on public link requires
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function shareApiLinkEnforcePassword() {
|
|
return $this->config->getAppValue('core', 'shareapi_enforce_links_password', 'no') === 'yes';
|
|
}
|
|
|
|
/**
|
|
* Is default expire date enabled
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function shareApiLinkDefaultExpireDate() {
|
|
return $this->config->getAppValue('core', 'shareapi_default_expire_date', 'no') === 'yes';
|
|
}
|
|
|
|
/**
|
|
* Is default expire date enforced
|
|
*`
|
|
* @return bool
|
|
*/
|
|
public function shareApiLinkDefaultExpireDateEnforced() {
|
|
return $this->config->getAppValue('core', 'shareapi_enforce_expire_date', 'no') === 'yes';
|
|
}
|
|
|
|
/**
|
|
* Number of default expire days
|
|
*shareApiLinkAllowPublicUpload
|
|
* @return int
|
|
*/
|
|
public function shareApiLinkDefaultExpireDays() {
|
|
return (int)$this->config->getAppValue('core', 'shareapi_expire_after_n_days', '7');
|
|
}
|
|
|
|
/**
|
|
* Allow public upload on link shares
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function shareApiLinkAllowPublicUpload() {
|
|
return $this->config->getAppValue('core', 'shareapi_allow_public_upload', 'yes') === 'yes';
|
|
}
|
|
|
|
/**
|
|
* check if user can only share with group members
|
|
* @return bool
|
|
*/
|
|
public function shareWithGroupMembersOnly() {
|
|
return $this->config->getAppValue('core', 'shareapi_only_share_with_group_members', 'no') === 'yes';
|
|
}
|
|
|
|
|
|
/**
|
|
* Copied from \OC_Util::isSharingDisabledForUser
|
|
*
|
|
* TODO: Deprecate fuction from OC_Util
|
|
*
|
|
* @param IUser $user
|
|
* @return bool
|
|
*/
|
|
public function isSharingDisabledForUser($user) {
|
|
if ($this->config->getAppValue('core', 'shareapi_exclude_groups', 'no') === 'yes') {
|
|
$groupsList = $this->config->getAppValue('core', 'shareapi_exclude_groups_list', '');
|
|
$excludedGroups = json_decode($groupsList);
|
|
if (is_null($excludedGroups)) {
|
|
$excludedGroups = explode(',', $groupsList);
|
|
$newValue = json_encode($excludedGroups);
|
|
$this->config->setAppValue('core', 'shareapi_exclude_groups_list', $newValue);
|
|
}
|
|
$usersGroups = $this->groupManager->getUserGroupIds($user);
|
|
if (!empty($usersGroups)) {
|
|
$remainingGroups = array_diff($usersGroups, $excludedGroups);
|
|
// if the user is only in groups which are disabled for sharing then
|
|
// sharing is also disabled for the user
|
|
if (empty($remainingGroups)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
}
|