Commit 2a4da7fe authored by Bjoern Schiessle's avatar Bjoern Schiessle
Browse files

on unshare only unshare childrens if there is no other parent available

parent e115a704
......@@ -85,10 +85,12 @@ class Helper extends \OC\Share\Constants {
* @param int $parent Id of item to delete
* @param bool $excludeParent If true, exclude the parent from the delete (optional)
* @param string $uidOwner The user that the parent was shared with (optional)
* @param int $newParent new parent for the childrens
*/
public static function delete($parent, $excludeParent = false, $uidOwner = null) {
public static function delete($parent, $excludeParent = false, $uidOwner = null, $newParent = null) {
$ids = array($parent);
$deletedItems = array();
$changeParent = array();
$parents = array($parent);
while (!empty($parents)) {
$parents = "'".implode("','", $parents)."'";
......@@ -106,8 +108,6 @@ class Helper extends \OC\Share\Constants {
// Reset parents array, only go through loop again if items are found
$parents = array();
while ($item = $result->fetchRow()) {
$ids[] = $item['id'];
$parents[] = $item['id'];
$tmpItem = array(
'id' => $item['id'],
'shareWith' => $item['share_with'],
......@@ -118,12 +118,28 @@ class Helper extends \OC\Share\Constants {
if (isset($item['file_target'])) {
$tmpItem['fileTarget'] = $item['file_target'];
}
$deletedItems[] = $tmpItem;
// if we have a new parent for the child we remember the child
// to update the parent, if not we add it to the list of items
// which should be deleted
if ($newParent !== null) {
$changeParent[] = $item['id'];
} else {
$deletedItems[] = $tmpItem;
$ids[] = $item['id'];
$parents[] = $item['id'];
}
}
}
if ($excludeParent) {
unset($ids[0]);
}
if (!empty($changeParent)) {
$idList = "'".implode("','", $changeParent)."'";
$query = \OC_DB::prepare('UPDATE `*PREFIX*share` SET `parent` = ? WHERE `id` IN ('.$idList.')');
$query->execute(array($newParent));
}
if (!empty($ids)) {
$idList = "'".implode("','", $ids)."'";
$query = \OC_DB::prepare('DELETE FROM `*PREFIX*share` WHERE `id` IN ('.$idList.')');
......
......@@ -294,23 +294,32 @@ class Share extends \OC\Share\Constants {
$shares = array();
$column = ($itemType === 'file' || $itemType === 'folder') ? 'file_source' : 'item_source';
$where = ' `' . $column . '` = ? AND `item_type` = ? ';
$arguments = array($itemSource, $itemType);
// for link shares $user === null
if ($user !== null) {
$where .= ' AND `share_with` = ? ';
$arguments[] = $user;
}
// first check if there is a db entry for the specific user
$query = \OC_DB::prepare(
'SELECT `file_target`, `item_target`, `permissions`, `expiration`
'SELECT *
FROM
`*PREFIX*share`
WHERE
`item_source` = ? AND `item_type` = ? AND `share_with` = ?'
WHERE' . $where
);
$result = \OC_DB::executeAudited($query, array($itemSource, $itemType, $user));
$result = \OC_DB::executeAudited($query, $arguments);
while ($row = $result->fetchRow()) {
$shares[] = $row;
}
//if didn't found a result than let's look for a group share.
if(empty($shares)) {
if(empty($shares) && $user !== null) {
$groups = \OC_Group::getUserGroups($user);
$query = \OC_DB::prepare(
......@@ -318,7 +327,7 @@ class Share extends \OC\Share\Constants {
FROM
`*PREFIX*share`
WHERE
`item_source` = ? AND `item_type` = ? AND `share_with` in (?)'
`' . $column . '` = ? AND `item_type` = ? AND `share_with` in (?)'
);
$result = \OC_DB::executeAudited($query, array($itemSource, $itemType, implode(',', $groups)));
......@@ -681,9 +690,31 @@ class Share extends \OC\Share\Constants {
* @return boolean true on success or false on failure
*/
public static function unshare($itemType, $itemSource, $shareType, $shareWith) {
$item = self::getItems($itemType, $itemSource, $shareType, $shareWith, \OC_User::getUser(),self::FORMAT_NONE, null, 1);
if (!empty($item)) {
self::unshareItem($item);
// check if it is a valid itemType
self::getBackend($itemType);
$items = self::getItemSharedWithUser($itemType, $itemSource, $shareWith);
$toDelete = array();
$newParent = null;
$currentUser = \OC_User::getUser();
foreach ($items as $item) {
// delete the item with the expected share_type and owner
if ((int)$item['share_type'] === (int)$shareType && $item['uid_owner'] === $currentUser) {
$toDelete = $item;
// if there is more then one result we don't have to delete the children
// but update their parent. For group shares the new parent should always be
// the original group share and not the db entry with the unique name
} else if ((int)$item['share_type'] === \OCP\Share::$shareTypeGroupUserUnique) {
$newParent = $item['parent'];
} else {
$newParent = $item['id'];
}
}
if (!empty($toDelete)) {
self::unshareItem($toDelete, $newParent);
return true;
}
return false;
......@@ -1056,9 +1087,10 @@ class Share extends \OC\Share\Constants {
/**
* Unshares a share given a share data array
* @param array $item Share data (usually database row)
* @param int new parent ID
* @return null
*/
protected static function unshareItem(array $item) {
protected static function unshareItem(array $item, $newParent = null) {
// Pass all the vars we have for now, they may be useful
$hookParams = array(
'id' => $item['id'],
......@@ -1075,7 +1107,7 @@ class Share extends \OC\Share\Constants {
}
\OC_Hook::emit('OCP\Share', 'pre_unshare', $hookParams);
$deletedShares = Helper::delete($item['id']);
$deletedShares = Helper::delete($item['id'], false, null, $newParent);
$deletedShares[] = $hookParams;
$hookParams['deletedShares'] = $deletedShares;
\OC_Hook::emit('OCP\Share', 'post_unshare', $hookParams);
......
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