mirror of
https://github.com/EGroupware/egroupware.git
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414 lines
12 KiB
PHP
414 lines
12 KiB
PHP
<?php
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//
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Martin Jansen <mj@php.net>
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// | Richard Tango-Lowy <richtl@arscognita.com> |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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//
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require_once 'Auth/Container.php';
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require_once 'adodb.inc.php';
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require_once 'adodb-pear.inc.php';
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require_once 'adodb-errorpear.inc.php';
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/**
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* Storage driver for fetching login data from a database using ADOdb-PHP.
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*
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* This storage driver can use all databases which are supported
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* by the ADBdb DB abstraction layer to fetch login data.
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* See http://php.weblogs.com/adodb for information on ADOdb.
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* NOTE: The ADOdb directory MUST be in your PHP include_path!
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*
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* @author Richard Tango-Lowy <richtl@arscognita.com>
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* @package Auth
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* @version $Revision$
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*/
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class Auth_Container_ADOdb extends Auth_Container
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{
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/**
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* Additional options for the storage container
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* @var array
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*/
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var $options = array();
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/**
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* DB object
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* @var object
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*/
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var $db = null;
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var $dsn = '';
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/**
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* User that is currently selected from the DB.
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* @var string
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*/
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var $activeUser = '';
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// {{{ Constructor
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/**
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* Constructor of the container class
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*
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* Initate connection to the database via PEAR::ADOdb
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*
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* @param string Connection data or DB object
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* @return object Returns an error object if something went wrong
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*/
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function Auth_Container_ADOdb($dsn)
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{
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$this->_setDefaults();
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if (is_array($dsn)) {
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$this->_parseOptions($dsn);
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if (empty($this->options['dsn'])) {
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PEAR::raiseError('No connection parameters specified!');
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}
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} else {
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// Extract db_type from dsn string.
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$this->options['dsn'] = $dsn;
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}
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}
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// }}}
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// {{{ _connect()
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/**
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* Connect to database by using the given DSN string
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*
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* @access private
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* @param string DSN string
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* @return mixed Object on error, otherwise bool
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*/
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function _connect($dsn)
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{
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if (is_string($dsn) || is_array($dsn)) {
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if(!$this->db) {
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$this->db = &ADONewConnection($dsn);
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if( $err = ADODB_Pear_error() ) {
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return PEAR::raiseError($err);
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}
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}
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} else {
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return PEAR::raiseError('The given dsn was not valid in file ' . __FILE__ . ' at line ' . __LINE__,
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41,
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PEAR_ERROR_RETURN,
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null,
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null
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);
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}
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if(!$this->db) {
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return PEAR::raiseError(ADODB_Pear_error());
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} else {
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return true;
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}
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}
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// }}}
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// {{{ _prepare()
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/**
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* Prepare database connection
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*
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* This function checks if we have already opened a connection to
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* the database. If that's not the case, a new connection is opened.
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*
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* @access private
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* @return mixed True or a DB error object.
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*/
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function _prepare()
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{
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if(!$this->db) {
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$res = $this->_connect($this->options['dsn']);
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}
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return true;
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}
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// }}}
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// {{{ query()
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/**
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* Prepare query to the database
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*
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* This function checks if we have already opened a connection to
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* the database. If that's not the case, a new connection is opened.
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* After that the query is passed to the database.
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*
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* @access public
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* @param string Query string
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* @return mixed a DB_result object or DB_OK on success, a DB
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* or PEAR error on failure
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*/
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function query($query)
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{
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$err = $this->_prepare();
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if ($err !== true) {
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return $err;
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}
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return $this->db->query($query);
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}
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// }}}
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// {{{ _setDefaults()
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/**
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* Set some default options
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*
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* @access private
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* @return void
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*/
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function _setDefaults()
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{
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$this->options['db_type'] = 'mysql';
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$this->options['table'] = 'auth';
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$this->options['usernamecol'] = 'username';
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$this->options['passwordcol'] = 'password';
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$this->options['dsn'] = '';
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$this->options['db_fields'] = '';
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$this->options['cryptType'] = 'md5';
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}
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// }}}
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// {{{ _parseOptions()
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/**
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* Parse options passed to the container class
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*
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* @access private
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* @param array
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*/
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function _parseOptions($array)
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{
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foreach ($array as $key => $value) {
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if (isset($this->options[$key])) {
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$this->options[$key] = $value;
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}
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}
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/* Include additional fields if they exist */
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if(!empty($this->options['db_fields'])){
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if(is_array($this->options['db_fields'])){
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$this->options['db_fields'] = join($this->options['db_fields'], ', ');
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}
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$this->options['db_fields'] = ', '.$this->options['db_fields'];
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}
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}
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// }}}
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// {{{ fetchData()
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/**
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* Get user information from database
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*
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* This function uses the given username to fetch
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* the corresponding login data from the database
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* table. If an account that matches the passed username
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* and password is found, the function returns true.
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* Otherwise it returns false.
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*
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* @param string Username
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* @param string Password
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* @return mixed Error object or boolean
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*/
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function fetchData($username, $password)
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{
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// Prepare for a database query
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$err = $this->_prepare();
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if ($err !== true) {
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return PEAR::raiseError($err->getMessage(), $err->getCode());
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}
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// Find if db_fields contains a *, i so assume all col are selected
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if(strstr($this->options['db_fields'], '*')){
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$sql_from = "*";
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}
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else{
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$sql_from = $this->options['usernamecol'] . ", ".$this->options['passwordcol'].$this->options['db_fields'];
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}
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$query = "SELECT ".$sql_from.
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" FROM ".$this->options['table'].
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" WHERE ".$this->options['usernamecol']." = " . $this->db->Quote($username);
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$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
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$rset = $this->db->Execute( $query );
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$res = $rset->fetchRow();
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if (DB::isError($res)) {
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return PEAR::raiseError($res->getMessage(), $res->getCode());
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}
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if (!is_array($res)) {
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$this->activeUser = '';
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return false;
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}
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if ($this->verifyPassword(trim($password, "\r\n"),
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trim($res[$this->options['passwordcol']], "\r\n"),
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$this->options['cryptType'])) {
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// Store additional field values in the session
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foreach ($res as $key => $value) {
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if ($key == $this->options['passwordcol'] ||
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$key == $this->options['usernamecol']) {
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continue;
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}
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// Use reference to the auth object if exists
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// This is because the auth session variable can change so a static call to setAuthData does not make sence
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if(is_object($this->_auth_obj)){
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$this->_auth_obj->setAuthData($key, $value);
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} else {
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Auth::setAuthData($key, $value);
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}
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}
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return true;
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}
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$this->activeUser = $res[$this->options['usernamecol']];
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return false;
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}
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// }}}
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// {{{ listUsers()
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function listUsers()
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{
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$err = $this->_prepare();
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if ($err !== true) {
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return PEAR::raiseError($err->getMessage(), $err->getCode());
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}
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$retVal = array();
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// Find if db_fileds contains a *, i so assume all col are selected
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if(strstr($this->options['db_fields'], '*')){
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$sql_from = "*";
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}
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else{
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$sql_from = $this->options['usernamecol'] . ", ".$this->options['passwordcol'].$this->options['db_fields'];
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}
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$query = sprintf("SELECT %s FROM %s",
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$sql_from,
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$this->options['table']
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);
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$res = $this->db->getAll($query, null, DB_FETCHMODE_ASSOC);
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if (DB::isError($res)) {
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return PEAR::raiseError($res->getMessage(), $res->getCode());
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} else {
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foreach ($res as $user) {
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$user['username'] = $user[$this->options['usernamecol']];
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$retVal[] = $user;
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}
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}
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return $retVal;
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}
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// }}}
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// {{{ addUser()
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/**
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* Add user to the storage container
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*
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* @access public
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* @param string Username
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* @param string Password
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* @param mixed Additional information that are stored in the DB
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*
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* @return mixed True on success, otherwise error object
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*/
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function addUser($username, $password, $additional = "")
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{
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if (function_exists($this->options['cryptType'])) {
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$cryptFunction = $this->options['cryptType'];
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} else {
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$cryptFunction = 'md5';
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}
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$additional_key = '';
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$additional_value = '';
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if (is_array($additional)) {
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foreach ($additional as $key => $value) {
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$additional_key .= ', ' . $key;
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$additional_value .= ", '" . $value . "'";
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}
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}
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$query = sprintf("INSERT INTO %s (%s, %s%s) VALUES ('%s', '%s'%s)",
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$this->options['table'],
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$this->options['usernamecol'],
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$this->options['passwordcol'],
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$additional_key,
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$username,
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$cryptFunction($password),
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$additional_value
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);
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$res = $this->query($query);
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if (DB::isError($res)) {
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return PEAR::raiseError($res->getMessage(), $res->getCode());
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} else {
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return true;
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}
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}
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// }}}
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// {{{ removeUser()
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/**
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* Remove user from the storage container
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*
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* @access public
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* @param string Username
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*
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* @return mixed True on success, otherwise error object
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*/
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function removeUser($username)
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{
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$query = sprintf("DELETE FROM %s WHERE %s = '%s'",
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$this->options['table'],
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$this->options['usernamecol'],
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$username
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);
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$res = $this->query($query);
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if (DB::isError($res)) {
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return PEAR::raiseError($res->getMessage(), $res->getCode());
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} else {
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return true;
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}
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}
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// }}}
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}
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function showDbg( $string ) {
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print "
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-- $string</P>";
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}
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function dump( $var, $str, $vardump = false ) {
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print "<H4>$str</H4><pre>";
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( !$vardump ) ? ( print_r( $var )) : ( var_dump( $var ));
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print "</pre>";
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}
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?>
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