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115 lines
3.2 KiB
115 lines
3.2 KiB
<?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 Joas Schilling <coding@schilljs.com> |
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* @author Robin Appelman <robin@icewind.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\Federation\ICloudId; |
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use OCP\Federation\ICloudIdManager; |
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class CloudIdManager implements ICloudIdManager { |
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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($id); |
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} else if ($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, $pos + 1); |
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if (!empty($user) && !empty($remote)) { |
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return new CloudId($id, $user, $remote); |
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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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/** |
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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 $remote): ICloudId { |
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// TODO check what the correct url is for remote (asking the remote) |
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return new CloudId($user. '@' . $remote, $user, $remote); |
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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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