The new sharing code now handles deletion

OCS -> ShareManager -> DefaultShareProvider

1 files changed, 248 insertions, 0 deletions

diff --git a/lib/private/share20/defaultshareprovider.php b/lib/private/share20/defaultshareprovider.php
new file mode 100644
index 00000000000..41de81cf346
--- /dev/null
+++ b/lib/private/share20/defaultshareprovider.php
@@ -0,0 +1,248 @@
+<?php
+/**
+ * @author Roeland Jago Douma <rullzer@owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+namespace OC\Share20;
+
+use OC\Share20\Exception\ShareNotFound;
+use OC\Share20\Exception\BackendError;
+use OCP\IUser;
+
+class DefaultShareProvider implements IShareProvider {
+
+	/** @var \OCP\IDBConnection */
+	private $dbConn;
+
+	/** @var \OCP\IUserManager */
+	private $userManager;
+
+	/** @var \OCP\IGroupManager */
+	private $groupManager;
+
+	/** @var \OCP\Files\Folder */
+	private $userFolder;
+
+	public function __construct(\OCP\IDBConnection $connection,
+								\OCP\IUserManager $userManager,
+								\OCP\IGroupManager $groupManager,
+								\OCP\Files\Folder $userFolder) {
+		$this->dbConn = $connection;
+		$this->userManager = $userManager;
+		$this->groupManager = $groupManager;
+		$this->userFolder = $userFolder;
+	}
+
+	/**
+	 * Share a path
+	 * 
+	 * @param Share $share
+	 * @return Share The share object
+	 */
+	public function create(Share $share) {
+		throw new \Exception();
+	}
+
+	/**
+	 * Update a share
+	 *
+	 * @param Share $share
+	 * @return Share The share object
+	 */
+	public function update(Share $share) {
+		throw new \Exception();
+	}
+
+	/**
+	 * Get all childre of this share
+	 *
+	 * @param IShare $share
+	 * @return IShare[]
+	 */
+	private function getChildren(IShare $share) {
+		$children = [];
+
+		$qb = $this->dbConn->getQueryBuilder();
+		$qb->select('*')
+			->from('share')
+			->where($qb->expr()->eq('parent', $qb->createParameter('parent')))
+			->setParameter(':parent', $share->getId());
+
+		$cursor = $qb->execute();
+		while($data = $cursor->fetch()) {
+			$children[] = $this->createShare($data);
+		}
+		$cursor->closeCursor();
+
+		return $children;
+	}
+
+	/**
+	 * Delete all the children of this share
+	 *
+	 * @param IShare $share
+	 */
+	protected function deleteChildren(IShare $share) {
+		foreach($this->getChildren($share) as $child) {
+			$this->delete($child);
+		}
+	}
+
+	/**
+	 * Delete a share
+	 *
+	 * @param Share $share
+	 * @throws BackendError
+	 */
+	public function delete(IShare $share) {
+		$this->deleteChildren($share);
+
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->delete('share')
+			->where($qb->expr()->eq('id', $qb->createParameter('id')))
+			->setParameter(':id', $share->getId());
+	
+		try {
+			$qb->execute();
+		} catch (\Exception $e) {
+			throw new BackendError();
+		}
+	}
+
+	/**
+	 * Get all shares by the given user
+	 *
+	 * @param IUser $user
+	 * @param int $shareType
+	 * @param int $offset
+	 * @param int $limit
+	 * @return Share[]
+	 */
+	public function getShares(IUser $user, $shareType, $offset, $limit) {
+		throw new \Exception();
+	}
+
+	/**
+	 * Get share by id
+	 *
+	 * @param int $id
+	 * @return IShare
+	 * @throws ShareNotFound
+	 */
+	public function getShareById($id) {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->select('*')
+			->from('share')
+			->where($qb->expr()->eq('id', $qb->createParameter('id')))
+			->setParameter(':id', $id);
+		
+		$cursor = $qb->execute();
+		$data = $cursor->fetch();
+		$cursor->closeCursor();
+
+		if ($data === false) {
+			throw new ShareNotFound();
+		}
+
+		$share = $this->createShare($data);
+
+		return $share;
+	}
+
+	/**
+	 * Get shares for a given path
+	 *
+	 * @param \OCP\Files\Node $path
+	 * @param Share[]
+	 */
+	public function getSharesByPath(\OCP\IUser $user, \OCP\Files\Node $path) {
+		throw new \Exception();
+	}
+
+	/**
+	 * Get shared with the given user
+	 *
+	 * @param IUser $user
+	 * @param int $shareType
+	 * @param Share
+	 */
+	public function getSharedWithMe(IUser $user, $shareType = null) {
+		throw new \Exception();
+	}
+
+	/**
+	 * Get a share by token and if present verify the password
+	 *
+	 * @param string $token
+	 * @param string $password
+	 * @param Share
+	 */
+	public function getShareByToken($token, $password = null) {
+		throw new \Exception();
+	}
+	
+	/**
+	 * Create a share object from an database row
+	 *
+	 * @param mixed[] $data
+	 * @return Share
+	 */
+	private function createShare($data) {
+		$share = new Share();
+		$share->setId((int)$data['id'])
+			->setShareType((int)$data['share_type'])
+			->setPermissions((int)$data['permissions']);
+
+		if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
+			$share->setSharedWith($this->userManager->get($data['share_with']));
+		} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
+			$share->setSharedWith($this->groupManager->get($data['share_with']));
+		} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
+			/*
+			 * TODO: Clean this up, this should be set as password not sharedWith
+			 */
+			$share->setSharedWith($data['share_with']);
+			$share->setToken($data['token']);
+		} else {
+			$share->setSharedWith($data['share_with']);
+		}
+
+		$share->setSharedBy($this->userManager->get($data['uid_owner']));
+
+		// TODO: getById can return an array. How to handle this properly??
+		$path = $this->userFolder->getById($data['file_source']);
+		$path = $path[0];
+		$share->setPath($path);
+
+		$owner = $path->getStorage()->getOwner('.');
+		if ($owner !== false) {
+			$share->setShareOwner($this->userManager->get($owner));
+		}
+
+		if ($data['expiration'] !== null) {
+			$expiration = \DateTime::createFromFormat('Y-m-d H:i:s', $data['expiration']);
+			$share->setExpirationDate($expiration);
+		}
+
+		return $share;
+	}
+
+
+}