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Incam_SGD/lib/authentication/DBAuthenticator.inc

123 lines
4.3 KiB
PHP

<?php
/**
* $Id$
*
* Perform authentication tasks against the database.
*
* KnowledgeTree Community Edition
* Document Management Made Simple
* Copyright (C) 2008, 2009 KnowledgeTree Inc.
*
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
* California 94120-7775, or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*/
require_once(KT_LIB_DIR . "/authentication/Authenticator.inc");
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;
}
}
?>