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@tsal /auth.php forked from anonymous/auth.php
Created Nov 19, 2013

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<?php
/**
* <pre>
* Invision Power Services
* IP.Board v3.4.6
* Login handler abstraction : LDAP method
* Last Updated: $Date: 2013-03-05 08:57:05 -0500 (Tue, 05 Mar 2013) $
* </pre>
*
* @author $Author: bfarber $
* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
* @license http://www.invisionpower.com/company/standards.php#license
* @package IP.Board
* @link http://www.invisionpower.com
* @since 2.1.0
* @version $Revision: 12058 $
*
*/
if ( ! defined( 'IN_IPB' ) )
{
print "<h1>Incorrect access</h1>You cannot access this file directly. If you have recently upgraded, make sure you upgraded 'admin.php'.";
exit();
}
class login_ldap extends login_core implements interface_login
{
/**
* LDAP Connection resource
*
* @access protected
* @var resource
*/
protected $connection_id;
/**
* LDAP result set resource
*
* @access protected
* @var resource
*/
protected $result;
/**
* LDAP Bind resource
*
* @access protected
* @var resource
*/
protected $bind_id;
/**
* LDAP Fields to retrieve
*
* @access protected
* @var array
*/
protected $fields;
/**
* LDAP DN resource
*
* @access protected
* @var resource
*/
protected $dn;
/**
* Constructor
*
* @access public
* @param object ipsRegistry reference
* @param array Configuration info for this method
* @param array Custom configuration info for this method
* @return @e void
*/
public function __construct( ipsRegistry $registry, $method, $conf=array() )
{
$this->method_config = $method;
$this->ldap_config = $conf;
$this->group_map = array(
'alliance_leadership' => 7,
'hr' => 8,
'roughnecks' => 9
);
parent::__construct( $registry );
}
/**
* Authenticate the request
*
* @access public
* @param string Username
* @param string Email Address
* @param string Password
* @return boolean Authentication successful
*/
public function authenticate( $username, $email_address, $password )
{
//-----------------------------------------
// Check admin authentication request
//-----------------------------------------
if ( $this->is_admin_auth )
{
$this->adminAuthLocal( $username, $email_address, $password );
if ( $this->return_code == 'SUCCESS' )
{
return true;
}
}
//-----------------------------------------
// Get LDAP connection
//-----------------------------------------
$this->auth_errors = array();
$this->_ldapConnect();
//-----------------------------------------
// OK?
//-----------------------------------------
if ( count($this->auth_errors) )
{
$this->return_code = 'FAIL';
return false;
}
//-----------------------------------------
// Fix password
//-----------------------------------------
$password = html_entity_decode($password, ENT_QUOTES);
$html_entities = array( "&#33;", "&#036;", "&#092;" );
$replacement_char = array( "!", "$", "\\" );
$password = str_replace( $html_entities, $replacement_char, $password );
//-----------------------------------------
// Fix for empty username but filled email
// @link http://community.invisionpower.com/tracker/issue-36999-ldap-error/
//-----------------------------------------
if ( empty( $username ) && $email_address )
{
$username = $email_address;
}
//-----------------------------------------
// Add suffix
//-----------------------------------------
if ( $this->ldap_config['ldap_username_suffix'] )
{
$real_username = $username . $this->ldap_config['ldap_username_suffix'];
}
else
{
$real_username = $username;
}
//-----------------------------------------
// Add filter
// - Donated by iCCT - thx!
// concatenate the search for uid with the filter
// string if the string is not empty - logical AND
// as we are searching for uid match
//-----------------------------------------
if ( $this->ldap_config['ldap_filter'] )
{
$filter = '(&(' . $this->ldap_config['ldap_uid_field']. '=' . $real_username . ')(' . $this->ldap_config['ldap_filter'] . '))';
}
else
{
$filter = $this->ldap_config['ldap_uid_field']. '=' . $real_username;
}
//-----------------------------------------
// Pulling any additional fields?
//-----------------------------------------
$fields_to_pull = array( $this->ldap_config['ldap_uid_field'] );
if( $this->ldap_config['ldap_display_name'] )
{
$fields_to_pull[] = $this->ldap_config['ldap_display_name'];
}
if( $this->ldap_config['ldap_email_field'] )
{
$fields_to_pull[] = $this->ldap_config['ldap_email_field'];
}
$this->ldap_config['additional_fields'] = explode( ',', trim($this->ldap_config['additional_fields']) );
if( is_array( $this->ldap_config['additional_fields'] ) and count( $this->ldap_config['additional_fields'] ) )
{
$fields_to_pull = array_merge( $fields_to_pull, $this->ldap_config['additional_fields'] );
}
//-----------------------------------------
// Throw search to bind
//-----------------------------------------
$search = @ldap_search( $this->connection_id,
$this->ldap_config['ldap_base_dn'],
$filter,
$fields_to_pull
);
//$result = ldap_get_entries($this->connection_id, $search); print "<pre>"; print_r( $result );
$this->result = @ldap_first_entry( $this->connection_id, $search );
if ( ! $this->result )
{
$this->return_code = 'WRONG_AUTH';
return false;
}
$this->fields = @ldap_get_attributes( $this->connection_id, $this->result );
$this->dn = @ldap_get_dn( $this->connection_id, $this->result );
//-----------------------------------------
// Got something?
//-----------------------------------------
if ( is_array( $this->fields ) AND count( $this->fields ) > 0 )
{
if ( ! $this->ldap_config['ldap_user_requires_pass'] )
{
$real_password = "";
}
else
{
$real_password = $password;
}
//-----------------------------------------
// Test bind
//-----------------------------------------
if ( @ldap_bind( $this->connection_id, $this->dn, $real_password) )
{
$this->_loadMember( $username );
if ( $this->member_data['member_id'] )
{
$this->return_code = 'SUCCESS';
}
else
{
//-----------------------------------------
// Got no member - but auth passed - create?
//-----------------------------------------
$this->member_data = $this->createLocalMember( array( 'members' => array( 'name' => $this->fields[$this->ldap_config['ldap_display_name']][0] ? $this->fields[$this->ldap_config['ldap_display_name']][0] : $username,
'members_display_name' => $this->fields[$this->ldap_config['ldap_display_name']][0] ? $this->fields[$this->ldap_config['ldap_display_name']][0] : $username,
'password' => $password,
'email' => $this->fields[$this->ldap_config['ldap_email_field']][0] ? $this->fields[$this->ldap_config['ldap_email_field']][0] : $email_address,
)
) );
$groups = ',3,';
foreach($this->fields['authGroup'] as $group) {
if (array_key_exists($group, $this->group_map)) {
$groups = $groups . $this->group_map[$group] . ',';
}
}
IPSMember::save($this->member_data['email'], array('members' => array('mgroup_others' => $groups)));
IPSLib::runMemberSync( 'onCreateAccount', $this->member_data );
$this->return_code = 'SUCCESS';
}
}
else
{
$this->return_code = 'WRONG_AUTH';
}
}
return true;
}
/**
* Load a member
*
* @access protected
* @param string Username
* @return @e void
*/
protected function _loadMember( $username )
{
$member = $this->DB->buildAndFetch( array( 'select' => 'member_id', 'from' => 'members', 'where' => "members_l_username='" . strtolower($username) . "'" ) );
if( $member['member_id'] )
{
$this->member_data = IPSMember::load( $member['member_id'], 'extendedProfile,groups' );
$groups = ',3,';
foreach($this->fields['authGroup'] as $group) {
if (array_key_exists($group, $this->group_map)) {
$groups = $groups . $this->group_map[$group] . ',';
}
}
IPSMember::save($this->member_data['email'], array('members' => array('mgroup_others' => $groups)));
IPSLib::runMemberSync( 'onCreateAccount', $this->member_data );
}
}
/**
* Connect to LDAP server
*
* @access protected
* @return boolean Connection successful
*/
protected function _ldapConnect()
{
//-----------------------------------------
// LDAP compiled in PHP?
//-----------------------------------------
if ( ! extension_loaded('ldap') )
{
$this->auth_errors[] = 'LDAP extension not available';
return false;
}
//-----------------------------------------
// Get connection
//-----------------------------------------
if ( $this->ldap_config['ldap_port'] )
{
$this->connection_id = ldap_connect( $this->ldap_config['ldap_server'], $this->ldap_config['ldap_port'] );
}
else
{
$this->connection_id = ldap_connect( $this->ldap_config['ldap_server'] );
}
if ( ! $this->connection_id )
{
$this->auth_errors[] = 'LDAP could not connect';
return false;
}
//-----------------------------------------
// Server version
//-----------------------------------------
if ( $this->ldap_config['ldap_server_version'] )
{
@ldap_set_option( $this->connection_id, LDAP_OPT_PROTOCOL_VERSION, $this->ldap_config['ldap_server_version'] );
}
//-----------------------------------------
// Win2K3 AD with root DN
//-----------------------------------------
if ( $this->ldap_config['ldap_opt_referrals'] )
{
@ldap_set_option( $this->connection_id, LDAP_OPT_REFERRALS, true );
}
else
{
@ldap_set_option( $this->connection_id, LDAP_OPT_REFERRALS, false );
}
//-----------------------------------------
// Bind
//-----------------------------------------
if ( $this->ldap_config['ldap_server_username'] AND $this->ldap_config['ldap_server_password'] )
{
$this->bind_id = @ldap_bind( $this->connection_id, $this->ldap_config['ldap_server_username'], $this->ldap_config['ldap_server_password'] );
}
else
{
# Anonymous bind
$this->bind_id = @ldap_bind( $this->connection_id );
}
if ( ! $this->bind_id )
{
$this->auth_errors[] = 'LDAP could not bind to the server';
return false;
}
return true;
}
/**
* Destructor
*
* @access public
* @return @e void
*/
public function __destruct()
{
if( $this->connection_id )
{
ldap_unbind( $this->connection_id );
}
}
}
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