97 строки
2.7 KiB
PHP
97 строки
2.7 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
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*
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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 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\Security\ISecureRandom;
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class AssetMapper extends Mapper {
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/** @var int Limetime of a token is 10 minutes */
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const tokenLifeTime = 600;
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/** @var ISecureRandom */
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private $random;
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/** @var ITimeFactory */
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private $time;
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public function __construct(IDBConnection $db, ISecureRandom $random, ITimeFactory $timeFactory) {
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parent::__construct($db, 'richdocuments_assets', Asset::class);
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$this->random = $random;
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$this->time = $timeFactory;
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}
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/**
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* @param $uid
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* @param $fileid
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* @return Asset
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*/
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public function newAsset($uid, $fileid) {
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$asset = new Asset();
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$asset->setUid($uid);
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$asset->setFileid($fileid);
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$asset->setTimestamp($this->time->getTime());
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$asset->setToken($this->random->generate(64, ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_DIGITS));
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$asset = $this->insert($asset);
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return $asset;
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}
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/**
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* @param $token
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* @return Asset
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* @throws DoesNotExistException
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*/
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public function getAssetByToken($token) {
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$qb = $this->db->getQueryBuilder();
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$qb->select('*')
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->from('richdocuments_assets')
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->where($qb->expr()->eq('token', $qb->createNamedParameter($token)));
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$cursor = $qb->execute();
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$data = $cursor->fetch();
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$cursor->closeCursor();
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//There can only be one row since it is a unqiue field
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if ($data === false) {
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throw new DoesNotExistException('No asset for token found');
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}
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$asset = Asset::fromRow($data);
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// Check the token lifetime
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if ($asset->getTimestamp() + self::tokenLifeTime < $this->time->getTime()) {
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$this->delete($asset);
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throw new DoesNotExistException('No asset for token found');
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}
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return $asset;
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}
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}
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