117 lines
4.7 KiB
PHP
117 lines
4.7 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Bjoern Schiessle
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* @copyright 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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namespace OC\Share;
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class Hooks extends \OC\Share\Constants {
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/**
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* Function that is called after a user is deleted. Cleans up the shares of that user.
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* @param array $arguments
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*/
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public static function post_deleteUser($arguments) {
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// Delete any items shared with the deleted user
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$query = \OC_DB::prepare('DELETE FROM `*PREFIX*share`'
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.' WHERE `share_with` = ? AND `share_type` = ? OR `share_type` = ?');
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$result = $query->execute(array($arguments['uid'], self::SHARE_TYPE_USER, self::$shareTypeGroupUserUnique));
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// Delete any items the deleted user shared
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$query = \OC_DB::prepare('SELECT `id` FROM `*PREFIX*share` WHERE `uid_owner` = ?');
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$result = $query->execute(array($arguments['uid']));
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while ($item = $result->fetchRow()) {
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Helper::delete($item['id']);
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}
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}
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/**
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* Function that is called after a user is added to a group.
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* TODO what does it do?
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* @param array $arguments
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*/
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public static function post_addToGroup($arguments) {
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// Find the group shares and check if the user needs a unique target
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$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*share` WHERE `share_type` = ? AND `share_with` = ?');
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$result = $query->execute(array(self::SHARE_TYPE_GROUP, $arguments['gid']));
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$query = \OC_DB::prepare('INSERT INTO `*PREFIX*share` (`item_type`, `item_source`,'
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.' `item_target`, `parent`, `share_type`, `share_with`, `uid_owner`, `permissions`,'
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.' `stime`, `file_source`, `file_target`) VALUES (?,?,?,?,?,?,?,?,?,?,?)');
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while ($item = $result->fetchRow()) {
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$sourceExists = \OC\Share\Share::getItemSharedWithBySource($item['item_type'], $item['item_source'], self::FORMAT_NONE, null, true, $arguments['uid']);
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if ($sourceExists) {
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$fileTarget = $sourceExists['file_target'];
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$itemTarget = $sourceExists['item_target'];
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} else {
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$itemTarget = Helper::generateTarget($item['item_type'], $item['item_source'], self::SHARE_TYPE_USER, $arguments['uid'],
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$item['owner'], null, $item['parent']);
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// do we also need a file target
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if ($item['item_type'] === 'file' || $item['item_type'] === 'folder') {
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$fileTarget = Helper::generateTarget('file', $row['file_target'], self::SHARE_TYPE_USER, $arguments['uid'],
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$item['owner'], null, $item['parent']);
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} else {
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$fileTarget = null;
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}
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}
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// Insert an extra row for the group share if the item or file target is unique for this user
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if ($itemTarget != $item['item_target'] || $fileTarget != $item['file_target']) {
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$query->execute(array($item['item_type'], $item['item_source'], $itemTarget, $item['id'],
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self::$shareTypeGroupUserUnique, $arguments['uid'], $item['uid_owner'], $item['permissions'],
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$item['stime'], $item['file_source'], $fileTarget));
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\OC_DB::insertid('*PREFIX*share');
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}
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}
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}
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/**
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* Function that is called after a user is removed from a group. Shares are cleaned up.
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* @param array $arguments
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*/
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public static function post_removeFromGroup($arguments) {
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$sql = 'SELECT `id`, `share_type` FROM `*PREFIX*share`'
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.' WHERE (`share_type` = ? AND `share_with` = ?) OR (`share_type` = ? AND `share_with` = ?)';
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$result = \OC_DB::executeAudited($sql, array(self::SHARE_TYPE_GROUP, $arguments['gid'],
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self::$shareTypeGroupUserUnique, $arguments['uid']));
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while ($item = $result->fetchRow()) {
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if ($item['share_type'] == self::SHARE_TYPE_GROUP) {
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// Delete all reshares by this user of the group share
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Helper::delete($item['id'], true, $arguments['uid']);
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} else {
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Helper::delete($item['id']);
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}
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}
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}
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/**
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* Function that is called after a group is removed. Cleans up the shares to that group.
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* @param array $arguments
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*/
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public static function post_deleteGroup($arguments) {
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$sql = 'SELECT `id` FROM `*PREFIX*share` WHERE `share_type` = ? AND `share_with` = ?';
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$result = \OC_DB::executeAudited($sql, array(self::SHARE_TYPE_GROUP, $arguments['gid']));
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while ($item = $result->fetchRow()) {
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Helper::delete($item['id']);
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}
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}
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}
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