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<?php |
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/** |
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* @copyright 2018, Roeland Jago Douma <[email protected]> |
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* |
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* @author Roeland Jago Douma <[email protected]> |
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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 OCA\Richdocuments\Db; |
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use OCP\AppFramework\Db\DoesNotExistException; |
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use OCP\AppFramework\Db\Mapper; |
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use OCP\AppFramework\Utility\ITimeFactory; |
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use OCP\IDBConnection; |
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use OCP\ILogger; |
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use OCP\Security\ISecureRandom; |
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class WopiMapper extends Mapper { |
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// Tokens expire after this many seconds (not defined by WOPI specs). |
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const TOKEN_LIFETIME_SECONDS = 1800; |
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/** @var ISecureRandom */ |
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private $random; |
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/** @var ILogger */ |
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private $logger; |
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/** @var ITimeFactory */ |
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private $timeFactory; |
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public function __construct(IDBConnection $db, |
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ISecureRandom $random, |
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ILogger $logger, |
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ITimeFactory $timeFactory) { |
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parent::__construct($db, 'richdocuments_wopi', Wopi::class); |
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$this->random = $random; |
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$this->logger = $logger; |
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$this->timeFactory = $timeFactory; |
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} |
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/** |
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* @param int $fileId |
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* @param string $owner |
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* @param string$editor |
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* @param int $version |
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* @param bool $updatable |
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* @param string $serverHost |
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* @return Wopi |
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*/ |
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public function generateFileToken($fileId, $owner, $editor, $version, $updatable, $serverHost) { |
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$token = $this->random->generate(32, ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_DIGITS); |
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$wopi = Wopi::fromParams([ |
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'fileid' => $fileId, |
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'ownerUid' => $owner, |
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'editorUid' => $editor, |
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'version' => $version, |
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'canwrite' => $updatable, |
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'serverHost' => $serverHost, |
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'token' => $token, |
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'expiry' => $this->timeFactory->getTime() + self::TOKEN_LIFETIME_SECONDS, |
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]); |
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/** @var Wopi $wopi */ |
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$wopi = $this->insert($wopi); |
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return $wopi; |
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} |
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/** |
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* Given a token, validates it and |
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* constructs and validates the path. |
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* Returns the path, if valid, else false. |
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* |
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* @param string $token |
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* @throws DoesNotExistException |
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* @return Wopi |
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*/ |
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public function getPathForToken($token) { |
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$qb = $this->db->getQueryBuilder(); |
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$qb->select('*') |
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->from('richdocuments_wopi') |
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->where( |
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$qb->expr()->eq('token', $qb->createNamedParameter($token)) |
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); |
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$result = $qb->execute(); |
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$row = $result->fetch(); |
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$result->closeCursor(); |
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$this->logger->debug('Loaded WOPI Token record: {row}.', [ |
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'row' => $row, |
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'app' => 'richdocuments' |
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]); |
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if ($row === false) { |
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throw new DoesNotExistException('Could not find token.'); |
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} |
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/** @var Wopi $wopi */ |
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$wopi = Wopi::fromRow($row); |
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//TODO: validate. |
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if ($wopi->getExpiry() > $this->timeFactory->getTime()){ |
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// Expired token! |
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//http_response_code(404); |
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//$wopi->deleteBy('id', $row['id']); |
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//return false; |
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} |
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return $wopi; |
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} |
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} |
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nextcloud /
richdocuments
