Mambo.inc.php:
<?php
/*************************
Coppermine Photo Gallery
************************
Copyright (c) 2003-2005 Coppermine Dev Team
v1.1 originally written by Gregory DEMAR
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; either version 2 of the License, or
(at your option) any later version.
********************************************
Coppermine version: 1.4.2
$Source: /cvsroot/coppermine/devel/bridge/mambo.inc.php, v $
$Revision: 1.18 $
$Author: gaugau $
$Date: 2005/10/25 01:16:09 $
**********************************************/
if (!defined('IN_COPPERMINE')) die('Not in Coppermine...');
// Switch that allows overriding the bridge manager with hard-coded values
define('USE_BRIDGEMGR', 1);
require 'bridge/udb_base.inc.php';
class cpg_udb extends core_udb {
function cpg_udb()
{
global $BRIDGE;
if (!USE_BRIDGEMGR) {
$this->boardurl = 'http://localhost/mambo';
include('../mambo/configuration.php');
include('../mambo/includes/version.php');
} else {
include($BRIDGE['relative_path_to_config_file'] . 'configuration.php');
include($BRIDGE['relative_path_to_config_file'] . 'includes/version.php');
$this->boardurl = $mosConfig_live_site;
$this->use_post_based_groups = $BRIDGE['use_post_based_groups'];
}
$this->mambo_version = $_VERSION;
$this->multigroups = 0;
$this->group_overrride = !$this->use_post_based_groups;
// Database connection settings
$this->db = array(
'name' => $mosConfig_db,
'host' => $mosConfig_host ? $mosConfig_host : 'localhost',
'user' => $mosConfig_user,
'password' => $mosConfig_password,
'prefix' =>$mosConfig_dbprefix
);
// Board table names
$this->table = array(
'users' => 'users',
'groups' => 'core_acl_aro_groups',
'sessions' => 'session'
);
// Derived full table names
$this->usertable = '`' . $this->db['name'] . '`.' . $this->db['prefix'] . $this->table['users'];
$this->groupstable = '`' . $this->db['name'] . '`.' . $this->db['prefix'] . $this->table['groups'];
$this->sessionstable = '`' . $this->db['name'] . '`.' . $this->db['prefix'] . $this->table['sessions'];
// Table field names
$this->field = array(
'username' => 'username', // name of 'username' field in users table
'user_id' => 'id', // name of 'id' field in users table
'password' => 'password', // name of 'password' field in users table
'email' => 'email', // name of 'email' field in users table
'regdate' => 'UNIX_TIMESTAMP(registerDate)', // name of 'registered' field in users table
'lastvisit' => 'UNIX_TIMESTAMP(lastvisitDate)', // last time user logged in
'active' => '1-block', // is user account active?
'location' => "''", // name of 'location' field in users table
'website' => "''", // name of 'website' field in users table
'usertbl_group_id' => 'gid', // name of 'group id' field in users table
'grouptbl_group_id' => 'group_id', // name of 'group id' field in groups table
'grouptbl_group_name' => 'name' // name of 'group name' field in groups table
);
// Pages to redirect to
$this->page = array(
'register' => '/index.php?option=com_registration&task=register',
'editusers' => '/administrator/index.php',
'edituserprofile' => '/index.php?option=com_user&task=UserDetails'
);
// Group ids - admin and guest only.
$this->admingroups = array(24, 25);
$this->guestgroup = $this->use_post_based_groups ? 1 : 3;
// Delete old sessions
$past = time()-$mosConfig_lifetime;
$sql = 'delete from '.$this->sessionstable.' where (time < '.$past.');';
cpg_db_query($sql);
// Connect to db
$this->connect();
}
function session_update() {
$sql = 'update '.$this->sessionstable.' set time="'.time().'" '.
'where session_id=md5("'.$this->session_id.'");';
$result = cpg_db_query($sql);
}
function collect_groups()
{
$sql ="SELECT * FROM {$this->groupstable}";
$result = cpg_db_query($sql, $this->link_id);
$udb_groups = array(1=>'Guests');
while ($row = mysql_fetch_assoc($result))
{
$udb_groups[$row[$this->field['grouptbl_group_id']]+100] = utf_ucfirst(utf_strtolower($row[$this->field['grouptbl_group_name']]));
}
return $udb_groups;
}
// definition of how to extract an id and password hash from a cookie
function cookie_extraction()
{
global $CONFIG;
// Default anonymous values
$id = 0;
$pass = '';
$f = $this->field;
$mambo_version =& $this->mambo_version;
$sessioncookie = $_COOKIE['sessioncookie'];
// 4.5.1 and 4.5.2 compatibility
if (($mambo_version->RELEASE == '4.5' && $mambo_version->DEV_LEVEL != '1.0.9') && $sessioncookie) {
$sessioncookie .= $_SERVER['REMOTE_ADDR'];
}
$usercookie = $_COOKIE['usercookie'];
$result = false;
// Query database for session, if cookie exists
if ($sessioncookie) {
$sql = 'select userid from '.$this->sessionstable.' where session_id=md5("'.$sessioncookie.'");';
$result = cpg_db_query($sql, $this->link_id);
}
// If session exists, check if user exists
if (mysql_num_rows($result)) {
$row = mysql_fetch_assoc($result);
mysql_free_result($result);
$row['userid'] = (int) $row['userid'];
$sql = 'select id, password ';
$sql .= 'from '.$this->usertable.' ';
$sql .= 'where id='.$row['userid'];
$result = cpg_db_query($sql, $this->link_id);
// If user exists, use the current session
if ($result) {
$row = mysql_fetch_assoc($result);
mysql_free_result($result);
$pass = $row['password'];
$id = (int) $row['id'];
$this->session_id = $sessioncookie;
// If the user doesn't exist, use default guest credentials
}
// No session exists, so create a session and check for remember me cookie
} else {
$this->create_session();
// remember me cookie exists; login with user creditials
if ($usercookie) {
$username = (isset($usercookie['username'])) ? addslashes($usercookie['username']) : '';
$password = (isset($usercookie['password'])) ? addslashes($usercookie['password']) : '';
// Grab id from Mambo database, if a cookie exists
if ($username) {
$sql = 'select u.'.$f['user_id'].' as id, u.'.$f['password'].' as password, u.'.
$f['username'].' as username, u.'.$f['usertbl_group_id'].' as usertbl_group_id, '.
'g.'.$f['grouptbl_group_id'].' as grouptbl_group_id, g.'.$f['grouptbl_group_name'].' as grouptbl_group_name ';
$sql .= 'from '.$this->usertable.' as u ';
$sql .= 'inner join '.$this->groupstable.' as g ';
$sql .= 'on gid=group_id ';
$sql .= 'where u.'.$f['username'].'="'.$username.'" and u.'.$f['password'].'="'.$password.'" and u.block=0;';
$result = cpg_db_query($sql, $this->link_id);
// the user exists; finalize login procedures
if ($result) {
$row = mysql_fetch_assoc($result);
mysql_free_result($result);
$gid = 1;
if ($this->is_group_child_of($row['grouptbl_group_name'], 'Registered') ||
$this->is_group_child_of($row['grouptbl_group_name'], 'Administrator')) {
$gid = 2;
}
// update session information in session table
$sql = 'update '.$this->sessionstable.' set '.
'userid='.$row['id'].
', username="'.$row['username'].'"'.
', guest=0 '.
', gid='.$gid.' '.
', usertype="'.$row['grouptbl_group_name'].'" '.
'where session_id=md5("'.$this->session_id.'");';
cpg_db_query($sql, $this->link_id);
// update last visit date
$currentDate = date("Y-m-d\TH:i:s");
$sql = 'update '.$this->usertable.' set '.
'lastvisitDate="'.$currentDate.'" '.
'where id='.$row['id'];
cpg_db_query($sql, $this->link_id);
$pass = $password;
$id = $row['id'];
}
}
}
}
return ($id) ? array($id, $pass) : false;
}
function login( $username = null, $password = null ) {
$this->create_session();
if ( is_null($username) || is_null($password) ) {
return false;
}
// Grab id from Mambo database, if a cookie exists
if ($username) {
$sql = 'select u.'.$f['user_id'].' as id, u.'.$f['password'].' as password, u.'.
$f['username'].' as username, u.'.$f['usertbl_group_id'].' as usertbl_group_id, '.
'g.'.$f['grouptbl_group_id'].' as grouptbl_group_id, g.'.$f['grouptbl_group_name'].' as grouptbl_group_name ';
$sql .= 'from '.$this->usertable.' as u ';
$sql .= 'inner join '.$this->groupstable.' as g ';
$sql .= 'on gid=group_id ';
$sql .= 'where u.'.$f['username'].'="'.$username.'" and u.'.$f['password'].'="'.$password.'" and u.block=0;';
$result = cpg_db_query($sql, $this->link_id);
// the user exists; finalize login procedures
if ($result) {
$row = mysql_fetch_assoc($result);
mysql_free_result($result);
$gid = 1;
if ($this->is_group_child_of($row['grouptbl_group_name'], 'Registered') ||
$this->is_group_child_of($row['grouptbl_group_name'], 'Administrator')) {
$gid = 2;
}
// update session information in session table
$sql = 'update '.$this->sessionstable.' set '.
'userid='.$row['id'].
', username="'.$row['username'].'"'.
', guest=0 '.
', gid='.$gid.' '.
', usertype="'.$row['grouptbl_group_name'].'" '.
'where session_id=md5("'.$this->session_id.'");';
cpg_db_query($sql, $this->link_id);
// update last visit date
$currentDate = date("Y-m-d\TH:i:s");
$sql = 'update '.$this->usertable.' set '.
'lastvisitDate="'.$currentDate.'" '.
'where id='.$row['id'];
cpg_db_query($sql, $this->link_id);
$pass = $password;
$id = $row['id'];
}
}
}
/** create a guest session */
function create_session() {
// alias the Mambo version object
$mambo_version =& $this->mambo_version;
// start session
$this->session_id = $this->generateId();
$sessioncookie = $this->session_id;
// 4.5.1 and 4.5.2 compatibility
if ($mambo_version->RELEASE == '4.5' && $mambo_version->DEV_LEVEL != '1.0.9') {
$this->session_id .= $_SERVER['REMOTE_ADDR'];
}
$sql = 'insert into '.$this->sessionstable.' (session_id, username, guest, time, gid) values ';
$sql .= '("'.md5($this->session_id).'", "", 1, "'.time().'", 0)';
// insert the guest session
cpg_db_query($sql);
// set the session cookie
setcookie( "sessioncookie", $sessioncookie, time() + 43200, "/" );
}
/** taken from Mambo session class */
function generateId() {
$failsafe = 20;
$randnum = 0;
while ($failsafe--) {
$randnum = md5( uniqid( microtime(), 1 ) );
if ($randnum != "") {
$sql = "SELECT session_id FROM {$this->sessionstable} WHERE session_id=MD5('$randnum')";
if (!$result = cpg_db_query($sql, $this->link_id)) {
break;
}
}
}
return $randnum;
}
/** taken from Mambo acl api class */
/*======================================================================*\
Function: has_group_parent
Purpose: Checks whether the 'source' group is a child of the 'target'
\*======================================================================*/
function is_group_child_of( $grp_src, $grp_tgt, $group_type='ARO' ) {
$table = &$this->groupstable;
if (is_int( $grp_src ) && is_int($grp_tgt)) {
$sql = "SELECT COUNT(*)".
"\nFROM $table AS g1".
"\nLEFT JOIN $table AS g2 ON g1.lft > g2.lft AND g1.lft < g2.rgt".
"\nWHERE g1.group_id=$grp_src AND g2.group_id=$grp_tgt";
} else if (is_string( $grp_src ) && is_string($grp_tgt)) {
$sql = "SELECT COUNT(*)".
"\nFROM $table AS g1".
"\nLEFT JOIN $table AS g2 ON g1.lft > g2.lft AND g1.lft < g2.rgt".
"\nWHERE g1.name='$grp_src' AND g2.name='$grp_tgt'";
} else if (is_int( $grp_src ) && is_string($grp_tgt)) {
$sql = "SELECT COUNT(*)".
"\nFROM $table AS g1".
"\nLEFT JOIN $table AS g2 ON g1.lft > g2.lft AND g1.lft < g2.rgt".
"\nWHERE g1.group_id='$grp_src' AND g2.name='$grp_tgt'";
} else {
$sql = "SELECT COUNT(*)".
"\nFROM $table AS g1".
"\nLEFT JOIN $table AS g2 ON g1.lft > g2.lft AND g1.lft < g2.rgt".
"\nWHERE g1.name=$grp_src AND g2.group_id='$grp_tgt'";
}
$result = cpg_db_query($sql, $this->link_id);
$count = mysql_num_rows($result);
if ($count) {
mysql_free_result($result);
}
return ($count > 0);
}
// definition of actions required to convert a password from user database form to cookie form
function udb_hash_db($password)
{
return $password; // unused
}
function login_page()
{
$this->redirect("/index.php");
}
function logout_page()
{
global $CONFIG;
$this->redirect("/index.php?option=logout");
}
function edit_profile() {
$this->redirect("/index.php?option=com_user&task=UserDetails&Itemid=21");
}
function view_users() {}
function view_profile() {}
function session_extraction($cookie_id) {}
}
// and go !
$cpg_udb = new cpg_udb;
?>
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