DBAuthenticator.inc
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<?php
require_once(KT_LIB_DIR . "/authentication/Authenticator.inc");
/**
* $Id$
*
* Perform authentication tasks against the database.
*
* Copyright (c) 2006 Jam Warehouse http://www.jamwarehouse.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; using version 2 of the License.
*
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @version $Revision$
* @author Michael Joseph <michael@jamwarehouse.com>, Jam Warehouse (Pty) Ltd, South Africa
* @package lib.authentication
*/
class DBAuthenticator extends Authenticator {
/**
* Checks the user's password against the database
*
* @param string the name of the user to check
* @param string the password to check
* @return boolean true if the password is correct, else false
*/
function checkPassword($userName, $password) {
global $default;
$sTable = KTUtil::getTableName('users');
$sQuery = "SELECT count(*) AS match_count FROM $sTable WHERE username = ? AND password = ?";
$aParams = array($userName, md5($password));
$res = DBUtil::getOneResultKey(array($sQuery, $aParams), 'match_count');
if (PEAR::isError($res)) { return false; }
else {
return ($res == 1);
}
}
/**
* Searches the directory for a specific user
*
* @param string the username to search for
* @param array the attributes to return from the search
* @return array containing the users found
*/
function getUser($sUserName, $aAttributes) {
global $default;
$sTable = KTUtil::getTableName('users');
$sQuery = "SELECT ";/*ok*/
$sQuery .= implode(', ', $aAttributes);
$sQuery .= " FROM $sTable WHERE username = ?";
$aParams = array($sUserName);
$res = DBUtil::getResultArray(array($sQuery, $aParams));
if (PEAR::isError($res)) {
return false;
}
$aUserResults = array();
foreach ($res as $aRow) {
foreach ($aAttributes as $sAttrName) {
$aUserResults[$sUserName][$sAttrName] = $aRow[$sAttrName];
}
}
return $aUserResults;
}
/**
* Searches the user store for users matching the supplied search string.
*
* @param string the username to search for
* @param array the attributes to return from the search
* @return array containing the users found
*/
function searchUsers($sUserNameSearch, $aAttributes) {
$sTable = KTUtil::getTableName('users');
$sQuery = "SELECT "; /*ok*/
$sQuery .= implode(', ', $aAttributes);
$sQuery .= " FROM $sTable where username like '%" . DBUtil::escapeSimple($sUserNameSearch) . "%'";
$res = DBUtil::getResultArray(array($sQuery, array()));
if (PEAR::isError($res)) {
return false; // return $res;
}
$aUserResults = array();
foreach ($res as $aRow) {
$sUserName = $aRow['username'];
foreach ($aAttributes as $sAttrName) {
$aUserResults[$sUserName][$sAttrName] = $aRow[$sAttrName];
}
}
return $aUserResults;
}
}
?>