nextcloud/lib/subadmin.php

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<?php
/**
* ownCloud
*
* @author Georg Ehrke
* @copyright 2012 Georg Ehrke
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
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OC_Hook::connect('OC_User', 'post_deleteUser', 'OC_SubAdmin', 'post_deleteUser');
OC_Hook::connect('OC_User', 'post_deleteGroup', 'OC_SubAdmin', 'post_deleteGroup');
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/**
* This class provides all methods needed for managing groups.
*
* Hooks provided:
* post_createSubAdmin($gid)
* post_deleteSubAdmin($gid)
*/
class OC_SubAdmin{
/**
* @brief add a SubAdmin
* @param $uid uid of the SubAdmin
* @param $gid gid of the group
* @return boolean
*/
public static function createSubAdmin($uid, $gid){
$stmt = OC_DB::prepare('INSERT INTO `*PREFIX*group_admin` (`gid`,`uid`) VALUES(?,?)');
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$result = $stmt->execute(array($gid, $uid));
OC_Hook::emit( "OC_SubAdmin", "post_createSubAdmin", array( "gid" => $gid ));
return true;
}
/**
* @brief delete a SubAdmin
* @param $uid uid of the SubAdmin
* @param $gid gid of the group
* @return boolean
*/
public static function deleteSubAdmin($uid, $gid){
$stmt = OC_DB::prepare('DELETE FROM `*PREFIX*group_admin` WHERE `gid` = ? AND `uid` = ?');
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$result = $stmt->execute(array($gid, $uid));
OC_Hook::emit( "OC_SubAdmin", "post_deleteSubAdmin", array( "gid" => $gid ));
return true;
}
/**
* @brief get groups of a SubAdmin
* @param $uid uid of the SubAdmin
* @return array
*/
public static function getSubAdminsGroups($uid){
$stmt = OC_DB::prepare('SELECT `gid` FROM `*PREFIX*group_admin` WHERE `uid` = ?');
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$result = $stmt->execute(array($uid));
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$gids = array();
while($row = $result->fetchRow()){
$gids[] = $row['gid'];
}
return $gids;
}
/**
* @brief get SubAdmins of a group
* @param $gid gid of the group
* @return array
*/
public static function getGroupsSubAdmins($gid){
$stmt = OC_DB::prepare('SELECT `uid` FROM `*PREFIX*group_admin` WHERE `gid` = ?');
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$result = $stmt->execute(array($gid));
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$uids = array();
while($row = $result->fetchRow()){
$uids[] = $row['uid'];
}
return $uids;
}
/**
* @brief get all SubAdmins
* @return array
*/
public static function getAllSubAdmins(){
$stmt = OC_DB::prepare('SELECT * FROM `*PREFIX*group_admin`');
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$result = $stmt->execute();
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$subadmins = array();
while($row = $result->fetchRow()){
$subadmins[] = $row;
}
return $subadmins;
}
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/**
* @brief checks if a user is a SubAdmin of a group
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* @param $uid uid of the subadmin
* @param $gid gid of the group
* @return bool
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*/
public static function isSubAdminofGroup($uid, $gid){
$stmt = OC_DB::prepare('SELECT COUNT(*) AS `count` FROM `*PREFIX*group_admin` WHERE `uid` = ? AND `gid` = ?');
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$result = $stmt->execute(array($uid, $gid));
$result = $result->fetchRow();
if($result['count'] >= 1){
return true;
}
return false;
}
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/**
* @brief checks if a user is a SubAdmin
* @param $uid uid of the subadmin
* @return bool
*/
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public static function isSubAdmin($uid){
$stmt = OC_DB::prepare('SELECT COUNT(*) AS `count` FROM `*PREFIX*group_admin` WHERE `uid` = ?');
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$result = $stmt->execute(array($uid));
$result = $result->fetchRow();
if($result['count'] > 0){
return true;
}
return false;
}
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/**
* @brief checks if a user is a accessible by a subadmin
* @param $subadmin uid of the subadmin
* @param $user uid of the user
* @return bool
*/
public static function isUserAccessible($subadmin, $user){
if(!self::isSubAdmin($subadmin)){
return false;
}
if(OC_Group::inGroup($user, 'admin')){
return false;
}
$accessiblegroups = self::getSubAdminsGroups($subadmin);
foreach($accessiblegroups as $accessiblegroup){
if(OC_Group::inGroup($user, $accessiblegroup)){
return true;
}
}
return false;
}
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/*
* @brief alias for self::isSubAdminofGroup()
*/
public static function isGroupAccessible($subadmin, $group){
return self::isSubAdminofGroup($subadmin, $group);
}
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/**
* @brief delete all SubAdmins by uid
* @param $parameters
* @return boolean
*/
public static function post_deleteUser($parameters){
$stmt = OC_DB::prepare('DELETE FROM `*PREFIX*group_admin` WHERE `uid` = ?');
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$result = $stmt->execute(array($parameters['uid']));
return true;
}
/**
* @brief delete all SubAdmins8 by gid
* @param $parameters
* @return boolean
*/
public static function post_deleteGroup($parameters){
$stmt = OC_DB::prepare('DELETE FROM `*PREFIX*group_admin` WHERE `gid` = ?');
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$result = $stmt->execute(array($parameters['gid']));
return true;
}
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}