131 lines
3.6 KiB
PHP
131 lines
3.6 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 Bjoern Schiessle <bjoern@schiessle.org>
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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 Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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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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* @author Vincent Petry <pvince81@owncloud.com>
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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\DAV\Connector;
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use OCP\IRequest;
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use OCP\ISession;
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use OCP\Share\Exceptions\ShareNotFound;
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use OCP\Share\IManager;
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use Sabre\DAV\Auth\Backend\AbstractBasic;
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/**
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* Class PublicAuth
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*
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* @package OCA\DAV\Connector
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*/
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class PublicAuth extends AbstractBasic {
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/** @var \OCP\Share\IShare */
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private $share;
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/** @var IManager */
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private $shareManager;
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/** @var ISession */
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private $session;
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/** @var IRequest */
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private $request;
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/**
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* @param IRequest $request
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* @param IManager $shareManager
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* @param ISession $session
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*/
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public function __construct(IRequest $request,
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IManager $shareManager,
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ISession $session) {
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$this->request = $request;
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$this->shareManager = $shareManager;
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$this->session = $session;
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// setup realm
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$defaults = new \OCP\Defaults();
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$this->realm = $defaults->getName();
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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, $password) {
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try {
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$share = $this->shareManager->getShareByToken($username);
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} catch (ShareNotFound $e) {
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return false;
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}
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$this->share = $share;
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\OC_User::setIncognitoMode(true);
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// check if the share is password protected
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if ($share->getPassword() !== null) {
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK || $share->getShareType() === \OCP\Share::SHARE_TYPE_EMAIL) {
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if ($this->shareManager->checkPassword($share, $password)) {
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return true;
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} else if ($this->session->exists('public_link_authenticated')
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&& $this->session->get('public_link_authenticated') === (string)$share->getId()) {
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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 realm="' . $this->realm . '"');
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throw new \Sabre\DAV\Exception\NotAuthenticated('Cannot authenticate over ajax calls');
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}
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return false;
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}
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} else if ($share->getShareType() === \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 \OCP\Share\IShare
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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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