146 lines
3.8 KiB
PHP
146 lines
3.8 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @copyright 2010 Frank Karlitschek karlitschek@kde.org
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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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/**
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* Class for user management in a SQL Database (e.g. MySQL, SQLite)
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*/
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class OC_User_Database extends OC_User_Backend {
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static private $userGroupCache=array();
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/**
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* @brief Create a new user
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* @param $uid The username of the user to create
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* @param $password The password of the new user
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* @returns true/false
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*
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* Creates a new user. Basic checking of username is done in OC_User
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* itself, not in its subclasses.
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*/
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public function createUser( $uid, $password ){
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if( $this->userExists($uid) ){
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return false;
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}
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else{
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$query = OC_DB::prepare( "INSERT INTO `*PREFIX*users` ( `uid`, `password` ) VALUES( ?, ? )" );
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$result = $query->execute( array( $uid, sha1( $password )));
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return $result ? true : false;
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}
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}
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/**
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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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*
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* Deletes a user
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*/
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public function deleteUser( $uid ){
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// Delete user-group-relation
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$query = OC_DB::prepare( "DELETE FROM `*PREFIX*users` WHERE uid = ?" );
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$result = $query->execute( array( $uid ));
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return true;
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}
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/**
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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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*
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* Change the password of a user
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*/
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public function setPassword( $uid, $password ){
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if( $this->userExists($uid) ){
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$query = OC_DB::prepare( "UPDATE *PREFIX*users SET password = ? WHERE uid = ?" );
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$result = $query->execute( array( sha1( $password ), $uid ));
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return true;
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}
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else{
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return false;
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}
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}
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/**
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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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* @returns true/false
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*
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* Check if the password is correct without logging in the user
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*/
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public function checkPassword( $uid, $password ){
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$query = OC_DB::prepare( "SELECT uid FROM *PREFIX*users WHERE uid LIKE ? AND password = ?" );
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$result = $query->execute( array( $uid, sha1( $password )));
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if( $result->numRows() > 0 ){
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$row=$result->fetchRow();
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return $row['uid'];
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}else{
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return false;
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}
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}
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/**
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* @brief Get a list of all users
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* @returns array with all uids
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*
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* Get a list of all users.
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*/
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public function getUsers(){
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$query = OC_DB::prepare( "SELECT uid FROM *PREFIX*users" );
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$result = $query->execute();
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$users=array();
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while( $row = $result->fetchRow()){
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$users[] = $row["uid"];
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}
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return $users;
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}
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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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$query = OC_DB::prepare( "SELECT * FROM `*PREFIX*users` WHERE uid = ?" );
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$result = $query->execute( array( $uid ));
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return $result->numRows() > 0;
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}
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}
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