DBAuthenticator.inc
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<?php
/**
* $Id$
*
* Perform authentication tasks against the database.
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* 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;
}
}
?>