Backports

[platal.git] / modules / auth.php

<?php
/***************************************************************************
 *  Copyright (C) 2003-2007 Polytechnique.org                              *
 *  http://opensource.polytechnique.org/                                   *
 *                                                                         *
 *  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.                                    *
 *                                                                         *
 *  This program is distributed in the hope that it will be useful,        *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
 *  GNU General Public License for more details.                           *
 *                                                                         *
 *  You should have received a copy of the GNU General Public License      *
 *  along with this program; if not, write to the Free Software            *
 *  Foundation, Inc.,                                                      *
 *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
 ***************************************************************************/

class AuthModule extends PLModule
{
    function handlers()
    {
        return array(
            'groupex/donne-chall.php'
                                => $this->make_hook('chall',      AUTH_PUBLIC),
            'groupex/export-econfiance.php'
                                => $this->make_hook('econf',      AUTH_PUBLIC),

            'webservices/manageurs.php'
                                => $this->make_hook('manageurs',  AUTH_PUBLIC),

            'auth-redirect.php' => $this->make_hook('redirect',   AUTH_COOKIE),
            'auth-groupex.php'  => $this->make_hook('groupex',    AUTH_COOKIE),
            'admin/auth-groupes-x'         => $this->make_hook('admin_authgroupesx', AUTH_MDP, 'admin'),
        );
    }

    function handler_chall(&$page)
    {
        $_SESSION["chall"] = uniqid(rand(), 1);
        echo $_SESSION["chall"] . "\n" . session_id();
        exit;
    }

    function handler_econf(&$page)
    {
        global $globals;

        $cle = $globals->core->econfiance;

        if (S::v('chall') && $_GET['PASS'] == md5(S::v('chall').$cle)) {

            $res  = XDB::query("SELECT password FROM auth_user_md5 WHERE user_id=10154");
            $pass = $res->fetchOneCell();

            $list = new MMList(10154, $pass, "x-econfiance.polytechnique.org");
            $members = $list->get_members('membres');
            if (is_array($members)) {
                $membres = Array();
                foreach($members[1] as $member) {
                    if (preg_match('/^([^.]*.[^.]*.(\d\d\d\d))@polytechnique.org$/',
                                   $member[1], $matches))
                    {
                        $membres[] = "a.alias='{$matches[1]}'";
                    }
                }
            }

            $where = join(' OR ',$membres);

            $all = XDB::iterRow(
                    "SELECT  u.prenom,u.nom,a.alias
                       FROM  auth_user_md5 AS u
                 INNER JOIN  aliases       AS a ON ( u.user_id = a.id AND a.type!='homonyme' )
                      WHERE  $where
                   ORDER BY  nom");

            $res = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n\n<membres>\n\n";

            while (list ($prenom1,$nom1,$email1) = $all->next()) {
                    $res .= "<membre>\n";
                    $res .= "\t<nom>$nom1</nom>\n";
                    $res .= "\t<prenom>$prenom1</prenom>\n";
                    $res .= "\t<email>$email1</email>\n";
                    $res .= "</membre>\n\n";
            }

            $res .= "</membres>\n\n";

            header('Content-Type: text/xml; charset="ISO-8859-1"');
            echo $res;
        }
        exit;
    }

    function handler_manageurs(&$page)
    {
        global $globals;

        require_once 'webservices/manageurs.server.inc.php';

        $ips = array_flip(explode(' ', $globals->manageurs->authorized_ips));
        if ($ips && isset($ips[$_SERVER['REMOTE_ADDR']])) {
            $server = xmlrpc_server_create();

            xmlrpc_server_register_method($server, 'get_annuaire_infos', 'get_annuaire_infos');
            xmlrpc_server_register_method($server, 'get_nouveau_infos', 'get_nouveau_infos');

            $request  = $GLOBALS['HTTP_RAW_POST_DATA'];
            $response = xmlrpc_server_call_method($server, $request, null);
            header('Content-Type: text/xml');
            print $response;
            xmlrpc_server_destroy($server);
        }

        exit;
    }

    function handler_redirect(&$page)
    {
        http_redirect(Env::v('dest', '/'));
    }

    function handler_groupex(&$page)
    {
        require_once dirname(__FILE__).'/auth/auth.inc.php';
        $page->assign('referer', true);

        $gpex_pass = $_GET["pass"];
        $gpex_url  = urldecode($_GET["url"]);
        if (strpos($gpex_url, '?') === false) {
            $gpex_url .= "?PHPSESSID=" . $_GET["session"];
        } else {
            $gpex_url .= "&PHPSESSID=" . $_GET["session"];
        }

        /* a-t-on besoin d'ajouter le http:// ? */
        if (!preg_match("/^(http|https):\/\/.*/",$gpex_url))
            $gpex_url = "http://$gpex_url";
        $gpex_challenge = $_GET["challenge"];

        // mise à jour de l'heure et de la machine de dernier login sauf quand on est en suid
        if (!isset($_SESSION['suid'])) {
            $logger = (isset($_SESSION['log']) && $_SESSION['log']->uid == $uid)
                            ? $_SESSION['log'] : new CoreLogger($uid);
            global $platal;
            $logger->log('connexion_auth_ext', $platal->path);
        }

        /* on parcourt les entrees de groupes_auth */
        $res = XDB::iterRow('select privkey,name,datafields from groupesx_auth');

        while (list($privkey,$name,$datafields) = $res->next()) {
            if (md5($gpex_challenge.$privkey) == $gpex_pass) {
                $returl = $gpex_url.gpex_make_params($gpex_challenge,$privkey,$datafields);
                http_redirect($returl);
            }
        }

        /* si on n'a pas trouvé, on renvoit sur x.org */
        http_redirect('https://www.polytechnique.org/');
    }
    function handler_admin_authgroupesx(&$page, $action = 'list', $id = null) {
        $page->assign('xorg_title','Polytechnique.org - Administration - Auth groupes X');
        $page->assign('title', 'Gestion de l\'authentification centralisée');
        $table_editor = new PLTableEditor('admin/auth-groupes-x','groupesx_auth','id');
        $table_editor->describe('name','nom',true);
        $table_editor->describe('privkey','clé privée',false);
        $table_editor->describe('datafields','champs renvoyés',true);
        $table_editor->apply($page, $action, $id);
    }  
}

?>