main.inc.php
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<?php
/*
Plugin Name: Ldap_Login
Version: 1.2
Description: Allow piwigo authentication along an ldap
Plugin URI: http://piwigo.org/ext/extension_view.php?eid=650
Author: 22decembre
Author URI: http://www.22decembre.eu
*/
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');
// +-----------------------------------------------------------------------+
// | Define plugin constants |
// +-----------------------------------------------------------------------+
define('LDAP_LOGIN_ID', basename(dirname(__FILE__)));
define('LDAP_LOGIN_PATH' , PHPWG_PLUGINS_PATH . LDAP_LOGIN_ID . '/');
define('LDAP_LOGIN_ADMIN', get_root_url() . 'admin.php?page=plugin-' . LDAP_LOGIN_ID);
define('LDAP_LOGIN_VERSION', '1.2');
include_once(LDAP_LOGIN_PATH.'/class.ldap.php');
// +-----------------------------------------------------------------------+
// | Event handlers |
// +-----------------------------------------------------------------------+
add_event_handler('init', 'ld_init');
add_event_handler('try_log_user','login', 0, 4);
add_event_handler('get_admin_plugin_menu_links', array(&$ldap, 'ldap_admin_menu'));
// +-----------------------------------------------------------------------+
// | Admin menu loading |
// +-----------------------------------------------------------------------+
$ldap = new Ldap();
$ldap->load_config();
set_plugin_data($plugin['id'], $ldap);
unset($ldap);
// +-----------------------------------------------------------------------+
// | functions |
// +-----------------------------------------------------------------------+
function random_password( $length = 8 ) {
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()_-=+;:,.?";
$password = substr( str_shuffle( $chars ), 0, $length );
return $password;
}
function ld_init(){
load_language('plugin.lang', LDAP_LOGIN_PATH);
}
function login($success, $username, $password, $remember_me){
global $conf;
$obj = new Ldap();
$obj->load_config();
$obj->ldap_conn() or die("Unable to connect LDAP server : ".$ldap->getErrorString());
//if (!$obj->ldap_bind_as($username,$password)){ // bind with userdn
if (!$obj->ldap_search_dn($username) || !$obj->ldap_bind_as($obj->ldap_search_dn($username),$password)){ // bind with userdn
trigger_notify('login_failure', stripslashes($username));
return false; // wrong password
}
// search user in piwigo database
$query = 'SELECT '.$conf['user_fields']['id'].' AS id FROM '.USERS_TABLE.' WHERE '.$conf['user_fields']['username'].' = \''.pwg_db_real_escape_string($username).'\' ;';
$row = pwg_db_fetch_assoc(pwg_query($query));
// if query is not empty, it means everything is ok and we can continue, auth is done !
if (!empty($row['id'])) {
log_user($row['id'], $remember_me);
trigger_notify('login_success', stripslashes($username));
return true;
}
// if query is empty but ldap auth is done we can create a piwigo user if it's said so !
else {
// this is where we check we are allowed to create new users upon that.
if ($obj->config['allow_newusers']) {
// we got the email address
if ($obj->ldap_mail($username)) {
$mail = $obj->ldap_mail($username);
}
else {
$mail = NULL;
}
// we actually register the new user
$new_id = register_user($username,random_password(8),$mail);
// now we fetch again his id in the piwigo db, and we get them, as we just created him !
//$query = 'SELECT '.$conf['user_fields']['id'].' AS id FROM '.USERS_TABLE.' WHERE '.$conf['user_fields']['username'].' = \''.pwg_db_real_escape_string($username).'\' ;';
//$row = pwg_db_fetch_assoc(pwg_query($query));
log_user($new_id, False);
trigger_notify('login_success', stripslashes($username));
redirect('profile.php');
return true;
}
// else : this is the normal behavior ! user is not created.
else {
trigger_notify('login_failure', stripslashes($username));
return false;
}
}
}
?>