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<?php |
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/** |
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* @author Thomas Müller <[email protected]> |
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* |
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* @copyright Copyright (c) 2017, ownCloud GmbH |
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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\DAV; |
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use Doctrine\DBAL\Connection; |
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use Sabre\DAV\INode; |
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/** |
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* Class MiscCustomPropertiesBackend |
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* |
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* Provides ability to store/retrieve custom properties |
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* for card/calendar/whatever (excluding files) |
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* via DAV server into oc_dav_properties DB table using propertypath as a reference to the item |
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* |
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* @package OCA\DAV\DAV |
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*/ |
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class MiscCustomPropertiesBackend extends AbstractCustomPropertiesBackend { |
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const SELECT_BY_PATH_STMT = 'SELECT * FROM `*PREFIX*dav_properties` WHERE `propertypath` = ?'; |
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const INSERT_BY_PATH_STMT = 'INSERT INTO `*PREFIX*dav_properties`' |
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. ' (`propertypath`, `propertyname`, `propertyvalue`) VALUES(?,?,?)'; |
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const UPDATE_BY_PATH_STMT = 'UPDATE `*PREFIX*dav_properties`' |
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. ' SET `propertypath` = ? WHERE `propertypath` = ?'; |
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const UPDATE_BY_PATH_AND_NAME_STMT = 'UPDATE `*PREFIX*dav_properties` ' |
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. 'SET `propertyvalue` = ? WHERE `propertypath` = ? AND `propertyname` = ?'; |
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const DELETE_BY_PATH_STMT = 'DELETE FROM `*PREFIX*dav_properties` WHERE `propertypath` = ?'; |
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const DELETE_BY_PATH_AND_NAME_STMT = 'DELETE FROM `*PREFIX*dav_properties`' |
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. ' WHERE `propertypath` = ? AND `propertyname` = ?'; |
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/** |
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* This method is called after a node is deleted. |
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* |
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* @param string $path path of node for which to delete properties |
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*/ |
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View Code Duplication |
public function delete($path) { |
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$node = $this->getNodeForPath($path); |
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if (is_null($node)) { |
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return; |
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} |
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$statement = $this->connection->prepare(self::DELETE_BY_PATH_STMT); |
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$statement->execute([$path]); |
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$statement->closeCursor(); |
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$this->offsetUnset($path); |
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} |
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/** |
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* This method is called after a successful MOVE |
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* |
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* @param string $source |
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* @param string $destination |
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* |
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* @return void |
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*/ |
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View Code Duplication |
public function move($source, $destination) { |
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$node = $this->getNodeForPath($source); |
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if (is_null($node)) { |
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return; |
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} |
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$statement = $this->connection->prepare(self::UPDATE_BY_PATH_STMT); |
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$statement->execute([$destination, $source]); |
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$statement->closeCursor(); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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View Code Duplication |
protected function getProperties($path, INode $node, array $requestedProperties) { |
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if (is_null($this->offsetGet($path))) { |
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// TODO: chunking if more than 1000 properties |
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$sql = self::SELECT_BY_PATH_STMT; |
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$whereValues = [$path]; |
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$whereTypes = [null]; |
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if (!empty($requestedProperties)) { |
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// request only a subset |
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$sql .= ' AND `propertyname` in (?)'; |
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$whereValues[] = $requestedProperties; |
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$whereTypes[] = Connection::PARAM_STR_ARRAY; |
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} |
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$props = $this->fetchProperties($sql, $whereValues, $whereTypes); |
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$this->offsetSet($path, $props); |
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} |
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return $this->offsetGet($path); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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View Code Duplication |
protected function updateProperties($path, INode $node, $changedProperties) { |
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$existingProperties = $this->getProperties($path, $node, []); |
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$deleteStatement = self::DELETE_BY_PATH_AND_NAME_STMT; |
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$insertStatement = self::INSERT_BY_PATH_STMT; |
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$updateStatement = self::UPDATE_BY_PATH_AND_NAME_STMT; |
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// TODO: use "insert or update" strategy ? |
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$this->connection->beginTransaction(); |
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foreach ($changedProperties as $propertyName => $propertyValue) { |
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$propertyExists = array_key_exists($propertyName, $existingProperties); |
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// If it was null, we need to delete the property |
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if (is_null($propertyValue)) { |
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if ($propertyExists) { |
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$this->connection->executeUpdate($deleteStatement, |
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[ |
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$path, |
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$propertyName |
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] |
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); |
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} |
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} else { |
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if (!$propertyExists) { |
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$this->connection->executeUpdate($insertStatement, |
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[ |
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$path, |
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$propertyName, |
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$propertyValue |
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] |
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); |
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} else { |
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$this->connection->executeUpdate($updateStatement, |
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[ |
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$propertyValue, |
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$path, |
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$propertyName |
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] |
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); |
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} |
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} |
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} |
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$this->connection->commit(); |
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$this->offsetUnset($path); |
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return true; |
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} |
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/** |
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* Bulk load properties for children |
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* |
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* @param INode $node |
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* @param array $requestedProperties requested properties |
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* |
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* @return void |
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*/ |
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protected function loadChildrenProperties(INode $node, $requestedProperties) { |
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// Not supported |
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} |
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} |
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owncloud /
core
