147 lines
4.2 KiB
PHP
147 lines
4.2 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2017, Robin Appelman <robin@icewind.nl>
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Joas Schilling <coding@schilljs.com>
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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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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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 as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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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
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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\Federation;
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use OCP\Contacts\IManager;
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use OCP\Federation\ICloudId;
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use OCP\Federation\ICloudIdManager;
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class CloudIdManager implements ICloudIdManager {
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/** @var IManager */
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private $contactsManager;
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public function __construct(IManager $contactsManager) {
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$this->contactsManager = $contactsManager;
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}
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/**
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* @param string $cloudId
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* @return ICloudId
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* @throws \InvalidArgumentException
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*/
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public function resolveCloudId(string $cloudId): ICloudId {
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// TODO magic here to get the url and user instead of just splitting on @
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if (!$this->isValidCloudId($cloudId)) {
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throw new \InvalidArgumentException('Invalid cloud id');
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}
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// Find the first character that is not allowed in user names
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$id = $this->fixRemoteURL($cloudId);
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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($id);
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} elseif ($posSlash === false) {
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$invalidPos = $posColon;
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} elseif ($posColon === false) {
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$invalidPos = $posSlash;
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} else {
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$invalidPos = min($posSlash, $posColon);
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}
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$lastValidAtPos = strrpos($id, '@', $invalidPos - strlen($id));
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if ($lastValidAtPos !== false) {
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$user = substr($id, 0, $lastValidAtPos);
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$remote = substr($id, $lastValidAtPos + 1);
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if (!empty($user) && !empty($remote)) {
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return new CloudId($id, $user, $remote, $this->getDisplayNameFromContact($id));
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}
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}
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throw new \InvalidArgumentException('Invalid cloud id');
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}
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protected function getDisplayNameFromContact(string $cloudId): ?string {
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$addressBookEntries = $this->contactsManager->search($cloudId, ['CLOUD']);
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foreach ($addressBookEntries as $entry) {
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if (isset($entry['CLOUD'])) {
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foreach ($entry['CLOUD'] as $cloudID) {
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if ($cloudID === $cloudId) {
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return $entry['FN'];
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}
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}
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}
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}
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return null;
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}
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/**
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* @param string $user
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* @param string $remote
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* @return CloudId
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*/
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public function getCloudId(string $user, string $remote): ICloudId {
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// TODO check what the correct url is for remote (asking the remote)
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$fixedRemote = $this->fixRemoteURL($remote);
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if (strpos($fixedRemote, 'http://') === 0) {
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$host = substr($fixedRemote, strlen('http://'));
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} elseif (strpos($fixedRemote, 'https://') === 0) {
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$host = substr($fixedRemote, strlen('https://'));
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} else {
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$host = $fixedRemote;
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}
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$id = $user . '@' . $remote;
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$displayName = $this->getDisplayNameFromContact($user . '@' . $host);
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return new CloudId($id, $user, $fixedRemote, $displayName);
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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(string $remote): string {
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$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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* @param string $cloudId
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* @return bool
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*/
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public function isValidCloudId(string $cloudId): bool {
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return strpos($cloudId, '@') !== false;
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}
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}
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