131 lines
3.9 KiB
PHP
131 lines
3.9 KiB
PHP
<?php
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/**
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* @author Björn Schießle <schiessle@owncloud.com>
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* @author Lukas Reschke <lukas@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Petry <pvince81@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 OCA\DAV\Connector;
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use OCP\IConfig;
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use OCP\IRequest;
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class PublicAuth extends \Sabre\DAV\Auth\Backend\AbstractBasic {
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/**
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* @var \OCP\IConfig
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*/
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private $config;
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private $share;
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/**
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* @var IRequest
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*/
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private $request;
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/**
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* @param \OCP\IConfig $config
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* @param IRequest $request
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*/
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public function __construct(IConfig $config,
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IRequest $request) {
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$this->config = $config;
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$this->request = $request;
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}
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/**
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* Validates a username and password
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*
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* This method should return true or false depending on if login
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* succeeded.
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*
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* @param string $username
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* @param string $password
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*
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* @return bool
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* @throws \Sabre\DAV\Exception\NotAuthenticated
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*/
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protected function validateUserPass($username, $password) {
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$linkItem = \OCP\Share::getShareByToken($username, false);
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\OC_User::setIncognitoMode(true);
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$this->share = $linkItem;
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if (!$linkItem) {
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return false;
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}
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if ((int)$linkItem['share_type'] === \OCP\Share::SHARE_TYPE_LINK &&
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$this->config->getAppValue('core', 'shareapi_allow_public_upload', 'yes') !== 'yes') {
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$this->share['permissions'] &= ~(\OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE);
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}
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// check if the share is password protected
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if (isset($linkItem['share_with'])) {
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if ($linkItem['share_type'] == \OCP\Share::SHARE_TYPE_LINK) {
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// Check Password
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$newHash = '';
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if(\OC::$server->getHasher()->verify($password, $linkItem['share_with'], $newHash)) {
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/**
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* FIXME: Migrate old hashes to new hash format
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* Due to the fact that there is no reasonable functionality to update the password
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* of an existing share no migration is yet performed there.
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* The only possibility is to update the existing share which will result in a new
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* share ID and is a major hack.
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*
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* In the future the migration should be performed once there is a proper method
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* to update the share's password. (for example `$share->updatePassword($password)`
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*
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* @link https://github.com/owncloud/core/issues/10671
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*/
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if(!empty($newHash)) {
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}
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return true;
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} else if (\OC::$server->getSession()->exists('public_link_authenticated')
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&& \OC::$server->getSession()->get('public_link_authenticated') === $linkItem['id']) {
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return true;
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} else {
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if (in_array('XMLHttpRequest', explode(',', $this->request->getHeader('X-Requested-With')))) {
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// do not re-authenticate over ajax, use dummy auth name to prevent browser popup
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http_response_code(401);
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header('WWW-Authenticate', 'DummyBasic real="ownCloud"');
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throw new \Sabre\DAV\Exception\NotAuthenticated('Cannot authenticate over ajax calls');
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}
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return false;
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}
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} else if ($linkItem['share_type'] == \OCP\Share::SHARE_TYPE_REMOTE) {
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return true;
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} else {
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return false;
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}
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} else {
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return true;
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}
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}
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/**
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* @return array
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*/
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public function getShare() {
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return $this->share;
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}
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}
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