427 lines
15 KiB
PHP
427 lines
15 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Bjoern Schiessle, Michael Gapczynski
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* @copyright 2012 Michael Gapczynski <mtgap@owncloud.com>
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* 2014 Bjoern Schiessle <schiessle@owncloud.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library 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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Public interface of ownCloud for apps to use.
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* Share Class
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*
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*/
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// use OCP namespace for all classes that are considered public.
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// This means that they should be used by apps instead of the internal ownCloud classes
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namespace OCP;
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/**
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* This class provides the ability for apps to share their content between users.
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* Apps must create a backend class that implements OCP\Share_Backend and register it with this class.
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*
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* It provides the following hooks:
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* - post_shared
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*/
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class Share extends \OC\Share\Constants {
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/**
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* Register a sharing backend class that implements OCP\Share_Backend for an item type
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* @param string $itemType Item type
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* @param string $class Backend class
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* @param string $collectionOf (optional) Depends on item type
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* @param array $supportedFileExtensions (optional) List of supported file extensions if this item type depends on files
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* @return boolean true if backend is registered or false if error
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*/
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public static function registerBackend($itemType, $class, $collectionOf = null, $supportedFileExtensions = null) {
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return \OC\Share\Share::registerBackend($itemType, $class, $collectionOf, $supportedFileExtensions);
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}
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/**
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* Check if the Share API is enabled
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* @return boolean true if enabled or false
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*
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* The Share API is enabled by default if not configured
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*/
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public static function isEnabled() {
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return \OC\Share\Share::isEnabled();
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}
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/**
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* Find which users can access a shared item
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* @param string $path to the file
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* @param string $ownerUser owner of the file
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* @param bool $includeOwner include owner to the list of users with access to the file
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* @param bool $returnUserPaths Return an array with the user => path map
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* @return array
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* @note $path needs to be relative to user data dir, e.g. 'file.txt'
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* not '/admin/data/file.txt'
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*/
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public static function getUsersSharingFile($path, $ownerUser, $includeOwner = false, $returnUserPaths = false) {
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return \OC\Share\Share::getUsersSharingFile($path, $ownerUser, $includeOwner, $returnUserPaths);
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}
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/**
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* Get the items of item type shared with the current user
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* @param string $itemType
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* @param int $format (optional) Format type must be defined by the backend
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* @param mixed $parameters (optional)
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* @param int $limit Number of items to return (optional) Returns all by default
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* @param bool $includeCollections (optional)
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* @return mixed Return depends on format
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*/
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public static function getItemsSharedWith($itemType, $format = self::FORMAT_NONE,
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$parameters = null, $limit = -1, $includeCollections = false) {
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return \OC\Share\Share::getItemsSharedWith($itemType, $format, $parameters, $limit, $includeCollections);
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}
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/**
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* Get the items of item type shared with a user
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* @param string $itemType
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* @param string $user for which user we want the shares
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* @param int $format (optional) Format type must be defined by the backend
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* @param mixed $parameters (optional)
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* @param int $limit Number of items to return (optional) Returns all by default
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* @param bool $includeCollections (optional)
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* @return mixed Return depends on format
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*/
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public static function getItemsSharedWithUser($itemType, $user, $format = self::FORMAT_NONE,
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$parameters = null, $limit = -1, $includeCollections = false) {
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return \OC\Share\Share::getItemsSharedWithUser($itemType, $user, $format, $parameters, $limit, $includeCollections);
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}
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/**
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* Get the item of item type shared with the current user
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* @param string $itemType
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* @param string $itemTarget
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* @param int $format (optional) Format type must be defined by the backend
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* @param mixed $parameters (optional)
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* @param bool $includeCollections (optional)
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* @return mixed Return depends on format
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*/
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public static function getItemSharedWith($itemType, $itemTarget, $format = self::FORMAT_NONE,
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$parameters = null, $includeCollections = false) {
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return \OC\Share\Share::getItemSharedWith($itemType, $itemTarget, $format, $parameters, $includeCollections);
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}
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/**
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* Get the item of item type shared with a given user by source
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* @param string $itemType
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* @param string $itemSource
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* @param string $user User user to whom the item was shared
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* @return array Return list of items with file_target, permissions and expiration
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*/
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public static function getItemSharedWithUser($itemType, $itemSource, $user) {
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return \OC\Share\Share::getItemSharedWithUser($itemType, $itemSource, $user);
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}
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/**
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* Get the item of item type shared with the current user by source
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* @param string $itemType
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* @param string $itemSource
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* @param int $format (optional) Format type must be defined by the backend
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* @param mixed $parameters
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* @param bool $includeCollections
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* @return mixed Return depends on format
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*/
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public static function getItemSharedWithBySource($itemType, $itemSource, $format = self::FORMAT_NONE,
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$parameters = null, $includeCollections = false) {
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return \OC\Share\Share::getItemSharedWithBySource($itemType, $itemSource, $format, $parameters, $includeCollections);
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}
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/**
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* Get the item of item type shared by a link
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* @param string $itemType
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* @param string $itemSource
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* @param string $uidOwner Owner of link
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* @return Item
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*/
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public static function getItemSharedWithByLink($itemType, $itemSource, $uidOwner) {
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return \OC\Share\Share::getItemSharedWithByLink($itemType, $itemSource, $uidOwner);
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}
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/**
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* Based on the given token the share information will be returned - password protected shares will be verified
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* @param string $token
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* @return array|bool false will be returned in case the token is unknown or unauthorized
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*/
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public static function getShareByToken($token, $checkPasswordProtection = true) {
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return \OC\Share\Share::getShareByToken($token, $checkPasswordProtection);
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}
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/**
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* resolves reshares down to the last real share
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* @param array $linkItem
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* @return array file owner
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*/
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public static function resolveReShare($linkItem) {
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return \OC\Share\Share::resolveReShare($linkItem);
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}
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/**
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* Get the shared items of item type owned by the current user
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* @param string $itemType
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* @param int $format (optional) Format type must be defined by the backend
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* @param mixed $parameters
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* @param int $limit Number of items to return (optional) Returns all by default
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* @param bool $includeCollections
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* @return mixed Return depends on format
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*/
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public static function getItemsShared($itemType, $format = self::FORMAT_NONE, $parameters = null,
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$limit = -1, $includeCollections = false) {
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return \OC\Share\Share::getItemsShared($itemType, $format, $parameters, $limit, $includeCollections);
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}
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/**
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* Get the shared item of item type owned by the current user
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* @param string $itemType
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* @param string $itemSource
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* @param int $format (optional) Format type must be defined by the backend
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* @param mixed $parameters
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* @param bool $includeCollections
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* @return mixed Return depends on format
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*/
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public static function getItemShared($itemType, $itemSource, $format = self::FORMAT_NONE,
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$parameters = null, $includeCollections = false) {
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return \OC\Share\Share::getItemShared($itemType, $itemSource, $format, $parameters, $includeCollections);
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}
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/**
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* Get all users an item is shared with
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* @param string $itemType
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* @param string $itemSource
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* @param string $uidOwner
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* @param bool $includeCollections
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* @param bool $checkExpireDate
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* @return array Return array of users
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*/
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public static function getUsersItemShared($itemType, $itemSource, $uidOwner, $includeCollections = false, $checkExpireDate = true) {
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return \OC\Share\Share::getUsersItemShared($itemType, $itemSource, $uidOwner, $includeCollections, $checkExpireDate);
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}
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/**
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* Share an item with a user, group, or via private link
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* @param string $itemType
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* @param string $itemSource
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* @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
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* @param string $shareWith User or group the item is being shared with
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* @param int $permissions CRUDS
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* @param string $itemSourceName
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* @param \DateTime $expirationDate
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* @return bool|string Returns true on success or false on failure, Returns token on success for links
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* @throws \Exception
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*/
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public static function shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions, $itemSourceName = null, \DateTime $expirationDate = null) {
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return \OC\Share\Share::shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions, $itemSourceName, $expirationDate);
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}
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/**
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* Unshare an item from a user, group, or delete a private link
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* @param string $itemType
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* @param string $itemSource
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* @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
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* @param string $shareWith User or group the item is being shared with
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* @return boolean true on success or false on failure
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*/
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public static function unshare($itemType, $itemSource, $shareType, $shareWith) {
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return \OC\Share\Share::unshare($itemType, $itemSource, $shareType, $shareWith);
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}
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/**
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* Unshare an item from all users, groups, and remove all links
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* @param string $itemType
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* @param string $itemSource
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* @return boolean true on success or false on failure
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*/
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public static function unshareAll($itemType, $itemSource) {
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return \OC\Share\Share::unshareAll($itemType, $itemSource);
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}
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/**
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* Unshare an item shared with the current user
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* @param string $itemType
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* @param string $itemTarget
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* @return boolean true on success or false on failure
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*
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* Unsharing from self is not allowed for items inside collections
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*/
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public static function unshareFromSelf($itemType, $itemTarget) {
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return \OC\Share\Share::unshareFromSelf($itemType, $itemTarget);
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}
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/**
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* sent status if users got informed by mail about share
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* @param string $itemType
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* @param string $itemSource
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* @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
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* @param string $recipient with whom was the item shared
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* @param bool $status
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*/
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public static function setSendMailStatus($itemType, $itemSource, $shareType, $recipient, $status) {
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return \OC\Share\Share::setSendMailStatus($itemType, $itemSource, $shareType, $recipient, $status);
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}
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/**
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* Set the permissions of an item for a specific user or group
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* @param string $itemType
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* @param string $itemSource
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* @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
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* @param string $shareWith User or group the item is being shared with
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* @param int $permissions CRUDS permissions
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* @return boolean true on success or false on failure
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*/
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public static function setPermissions($itemType, $itemSource, $shareType, $shareWith, $permissions) {
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return \OC\Share\Share::setPermissions($itemType, $itemSource, $shareType, $shareWith, $permissions);
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}
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/**
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* Set expiration date for a share
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* @param string $itemType
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* @param string $itemSource
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* @param string $date expiration date
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* @param int $shareTime timestamp from when the file was shared
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* @return boolean
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*/
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public static function setExpirationDate($itemType, $itemSource, $date, $shareTime = null) {
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return \OC\Share\Share::setExpirationDate($itemType, $itemSource, $date, $shareTime);
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}
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/**
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* Get the backend class for the specified item type
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* @param string $itemType
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* @return Share_Backend
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*/
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public static function getBackend($itemType) {
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return \OC\Share\Share::getBackend($itemType);
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}
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/**
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* Delete all shares with type SHARE_TYPE_LINK
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*/
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public static function removeAllLinkShares() {
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return \OC\Share\Share::removeAllLinkShares();
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}
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/**
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* In case a password protected link is not yet authenticated this function will return false
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*
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* @param array $linkItem
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* @return bool
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*/
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public static function checkPasswordProtectedShare(array $linkItem) {
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return \OC\Share\Share::checkPasswordProtectedShare($linkItem);
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}
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/**
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* Check if resharing is allowed
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*
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* @return boolean true if allowed or false
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*/
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public static function isResharingAllowed() {
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return \OC\Share\Share::isResharingAllowed();
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}
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}
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/**
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* Interface that apps must implement to share content.
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*/
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interface Share_Backend {
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/**
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* Check if this $itemSource exist for the user
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* @param string $itemSource
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* @param string $uidOwner Owner of the item
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* @return boolean|null Source
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*
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* Return false if the item does not exist for the user
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*/
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public function isValidSource($itemSource, $uidOwner);
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/**
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* Get a unique name of the item for the specified user
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* @param string $itemSource
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* @param string|false $shareWith User the item is being shared with
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* @param array|null $exclude List of similar item names already existing as shared items
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* @return string Target name
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*
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* This function needs to verify that the user does not already have an item with this name.
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* If it does generate a new name e.g. name_#
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*/
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public function generateTarget($itemSource, $shareWith, $exclude = null);
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/**
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* Converts the shared item sources back into the item in the specified format
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* @param array $items Shared items
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* @param int $format
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* @return TODO
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*
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* The items array is a 3-dimensional array with the item_source as the
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* first key and the share id as the second key to an array with the share
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* info.
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*
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* The key/value pairs included in the share info depend on the function originally called:
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* If called by getItem(s)Shared: id, item_type, item, item_source,
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* share_type, share_with, permissions, stime, file_source
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*
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* If called by getItem(s)SharedWith: id, item_type, item, item_source,
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* item_target, share_type, share_with, permissions, stime, file_source,
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* file_target
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*
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* This function allows the backend to control the output of shared items with custom formats.
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* It is only called through calls to the public getItem(s)Shared(With) functions.
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*/
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public function formatItems($items, $format, $parameters = null);
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}
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/**
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* Interface for share backends that share content that is dependent on files.
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* Extends the Share_Backend interface.
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*/
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interface Share_Backend_File_Dependent extends Share_Backend {
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/**
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* Get the file path of the item
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* @param string $itemSource
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* @param string $uidOwner User that is the owner of shared item
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* @return string|false
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*/
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public function getFilePath($itemSource, $uidOwner);
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}
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/**
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* Interface for collections of of items implemented by another share backend.
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* Extends the Share_Backend interface.
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*/
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interface Share_Backend_Collection extends Share_Backend {
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/**
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* Get the sources of the children of the item
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* @param string $itemSource
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* @return array Returns an array of children each inside an array with the keys: source, target, and file_path if applicable
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*/
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public function getChildren($itemSource);
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}
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