2010-07-15 16:09:22 +04:00
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<?php
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/**
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2011-04-15 19:14:02 +04:00
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* ownCloud
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*
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* @author Frank Karlitschek
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2012-05-26 21:14:24 +04:00
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* @copyright 2012 Frank Karlitschek frank@owncloud.org
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2011-04-15 19:14:02 +04:00
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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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/*
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*
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* The following SQL statement is just a help for developers and will not be
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* executed!
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*
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* CREATE TABLE `users` (
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* `uid` varchar(64) COLLATE utf8_unicode_ci NOT NULL,
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* `password` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
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* PRIMARY KEY (`uid`)
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* ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
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*
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*/
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2010-07-15 16:09:22 +04:00
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2012-02-26 16:49:51 +04:00
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require_once 'phpass/PasswordHash.php';
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2010-07-15 16:09:22 +04:00
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/**
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2010-07-21 19:53:51 +04:00
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* Class for user management in a SQL Database (e.g. MySQL, SQLite)
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2010-07-15 16:09:22 +04:00
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*/
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2011-07-29 23:36:03 +04:00
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class OC_User_Database extends OC_User_Backend {
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2012-02-26 16:49:51 +04:00
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/**
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* @var PasswordHash
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*/
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static private $hasher=null;
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private function getHasher(){
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if(!self::$hasher){
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//we don't want to use DES based crypt(), since it doesn't return a has with a recognisable prefix
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$forcePortable=(CRYPT_BLOWFISH!=1);
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self::$hasher=new PasswordHash(8,$forcePortable);
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}
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return self::$hasher;
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2011-03-02 01:20:16 +03:00
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2012-02-26 16:49:51 +04:00
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}
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2010-07-15 16:09:22 +04:00
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/**
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2011-04-18 12:41:01 +04:00
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* @brief Create a new user
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2011-04-18 13:39:29 +04:00
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* @param $uid The username of the user to create
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2011-04-18 12:41:01 +04:00
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* @param $password The password of the new user
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* @returns true/false
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2010-07-23 01:42:18 +04:00
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*
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2011-07-29 23:36:03 +04:00
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* Creates a new user. Basic checking of username is done in OC_User
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2011-04-18 13:39:29 +04:00
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* itself, not in its subclasses.
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2010-07-23 01:42:18 +04:00
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*/
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2011-06-21 21:28:46 +04:00
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public function createUser( $uid, $password ){
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if( $this->userExists($uid) ){
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2010-07-15 16:09:22 +04:00
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return false;
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2012-02-26 16:49:51 +04:00
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}else{
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$hasher=$this->getHasher();
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2012-06-08 14:42:35 +04:00
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$hash = $hasher->HashPassword($password.OC_Config::getValue('passwordsalt', ''));
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2012-08-25 02:05:07 +04:00
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$query = OC_DB::prepare( 'INSERT INTO `*PREFIX*users` ( `uid`, `password` ) VALUES( ?, ? )' );
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2012-02-26 16:49:51 +04:00
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$result = $query->execute( array( $uid, $hash));
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2011-04-15 19:14:02 +04:00
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2010-07-23 01:42:18 +04:00
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return $result ? true : false;
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2010-07-15 21:56:13 +04:00
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}
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2010-07-21 19:53:51 +04:00
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}
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2010-07-23 01:42:18 +04:00
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2011-04-17 03:04:23 +04:00
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/**
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2011-04-18 12:41:01 +04:00
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* @brief delete a user
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* @param $uid The username of the user to delete
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* @returns true/false
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2011-04-17 03:04:23 +04:00
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*
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2011-04-18 12:41:01 +04:00
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* Deletes a user
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2011-04-17 03:04:23 +04:00
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*/
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2011-06-21 21:28:46 +04:00
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public function deleteUser( $uid ){
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2011-04-18 12:41:01 +04:00
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// Delete user-group-relation
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2012-08-25 02:05:07 +04:00
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$query = OC_DB::prepare( 'DELETE FROM `*PREFIX*users` WHERE uid = ?' );
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2012-07-20 20:56:18 +04:00
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$query->execute( array( $uid ));
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2011-04-17 03:04:23 +04:00
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return true;
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}
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2010-07-15 16:09:22 +04:00
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/**
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2011-04-18 12:41:01 +04:00
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* @brief Set password
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* @param $uid The username
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* @param $password The new password
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* @returns true/false
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2010-07-23 01:42:18 +04:00
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*
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2011-04-18 12:41:01 +04:00
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* Change the password of a user
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2010-07-23 01:42:18 +04:00
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*/
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2011-06-21 21:28:46 +04:00
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public function setPassword( $uid, $password ){
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if( $this->userExists($uid) ){
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2012-02-26 16:49:51 +04:00
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$hasher=$this->getHasher();
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2012-06-08 14:42:35 +04:00
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$hash = $hasher->HashPassword($password.OC_Config::getValue('passwordsalt', ''));
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2012-08-25 02:05:07 +04:00
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$query = OC_DB::prepare( 'UPDATE `*PREFIX*users` SET `password` = ? WHERE `uid` = ?' );
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2012-07-20 20:56:18 +04:00
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$query->execute( array( $hash, $uid ));
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2011-04-18 12:41:01 +04:00
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return true;
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2012-07-20 20:56:18 +04:00
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}else{
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2011-04-18 17:07:14 +04:00
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return false;
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}
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2010-07-15 16:09:22 +04:00
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}
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2010-07-19 20:52:49 +04:00
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2010-07-15 16:09:22 +04:00
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/**
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2011-04-18 12:41:01 +04:00
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* @brief Check if the password is correct
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* @param $uid The username
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* @param $password The password
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2012-05-17 02:57:43 +04:00
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* @returns string
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2010-07-23 01:42:18 +04:00
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*
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2011-04-18 12:41:01 +04:00
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* Check if the password is correct without logging in the user
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2012-05-17 02:57:43 +04:00
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* returns the user id or false
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2010-07-23 01:42:18 +04:00
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*/
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2011-06-21 21:28:46 +04:00
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public function checkPassword( $uid, $password ){
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2012-08-25 02:05:07 +04:00
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$query = OC_DB::prepare( 'SELECT `uid`, `password` FROM `*PREFIX*users` WHERE `uid` = ?' );
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2012-02-26 16:49:51 +04:00
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$result = $query->execute( array( $uid));
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2010-07-15 16:09:22 +04:00
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2011-09-17 04:36:04 +04:00
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$row=$result->fetchRow();
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if($row){
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2012-02-26 16:49:51 +04:00
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$storedHash=$row['password'];
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2012-06-08 23:23:25 +04:00
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if ($storedHash[0]=='$'){//the new phpass based hashing
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2012-02-26 16:49:51 +04:00
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$hasher=$this->getHasher();
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2012-06-08 14:42:35 +04:00
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if($hasher->CheckPassword($password.OC_Config::getValue('passwordsalt', ''), $storedHash)){
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2012-02-26 16:49:51 +04:00
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return $row['uid'];
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}else{
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return false;
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}
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}else{//old sha1 based hashing
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if(sha1($password)==$storedHash){
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//upgrade to new hashing
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$this->setPassword($row['uid'],$password);
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return $row['uid'];
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}else{
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return false;
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}
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}
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2011-08-25 23:51:04 +04:00
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}else{
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2010-07-15 16:09:22 +04:00
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return false;
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}
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}
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2010-09-12 19:04:52 +04:00
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/**
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2011-04-18 12:41:01 +04:00
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* @brief Get a list of all users
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* @returns array with all uids
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2010-09-12 19:04:52 +04:00
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*
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2011-04-18 12:41:01 +04:00
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* Get a list of all users.
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2010-09-12 19:04:52 +04:00
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*/
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2012-08-25 02:05:07 +04:00
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public function getUsers($search = '', $limit = null, $offset = null) {
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2012-08-25 04:26:50 +04:00
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$query = OC_DB::prepare('SELECT `uid` FROM `*PREFIX*users` WHERE `uid` LIKE ?',$limit,$offset);
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2012-07-31 04:20:46 +04:00
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$result = $query->execute(array($search.'%'));
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$users = array();
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while ($row = $result->fetchRow()) {
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$users[] = $row['uid'];
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2010-09-12 19:04:52 +04:00
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}
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return $users;
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}
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2011-06-21 21:28:46 +04:00
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/**
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* @brief check if a user exists
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* @param string $uid the username
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* @return boolean
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*/
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public function userExists($uid){
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2012-08-25 02:05:07 +04:00
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$query = OC_DB::prepare( 'SELECT * FROM `*PREFIX*users` WHERE `uid` = ?' );
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2011-06-21 21:28:46 +04:00
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$result = $query->execute( array( $uid ));
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return $result->numRows() > 0;
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}
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2010-07-15 21:56:13 +04:00
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}
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