<?php
/***************************************************************************
 *  Copyright (C) 2003-2008 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                *
 ***************************************************************************/

require_once dirname(__FILE__).'/lists.php';

class XnetListsModule extends ListsModule
{
    var $client;

    function handlers()
    {
        return array(
            '%grp/lists'           => $this->make_hook('lists',     AUTH_MDP, 'groupmember'),
            '%grp/lists/create'    => $this->make_hook('create',    AUTH_MDP, 'groupmember'),

            '%grp/lists/members'   => $this->make_hook('members',   AUTH_COOKIE),
            '%grp/lists/annu'      => $this->make_hook('annu',      AUTH_COOKIE),
            '%grp/lists/archives'  => $this->make_hook('archives',  AUTH_COOKIE),
            '%grp/lists/archives/rss' => $this->make_hook('rss',    AUTH_PUBLIC),

            '%grp/lists/moderate'  => $this->make_hook('moderate',  AUTH_MDP),
            '%grp/lists/admin'     => $this->make_hook('admin',     AUTH_MDP),
            '%grp/lists/options'   => $this->make_hook('options',   AUTH_MDP),
            '%grp/lists/delete'    => $this->make_hook('delete',    AUTH_MDP),

            '%grp/lists/soptions'  => $this->make_hook('soptions',  AUTH_MDP),
            '%grp/lists/check'     => $this->make_hook('check',     AUTH_MDP),
            '%grp/lists/sync'      => $this->make_hook('sync',      AUTH_MDP),

            '%grp/alias/admin'     => $this->make_hook('aadmin',    AUTH_MDP, 'groupadmin'),
            '%grp/alias/create'    => $this->make_hook('acreate',   AUTH_MDP, 'groupadmin'),

            /* hack: lists uses that */
            'profile' => $this->make_hook('profile', AUTH_PUBLIC),
        );
    }

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

        require_once dirname(__FILE__).'/lists/lists.inc.php';

        $this->client = new MMList(S::v('uid'), S::v('password'),
                                   $globals->asso('mail_domain'));

        $page->assign('asso', $globals->asso());
        $page->setType($globals->asso('cat'));

        return $globals->asso('mail_domain');
    }

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

        if (!$globals->asso('mail_domain')) {
            return PL_NOT_FOUND;
        }
        $this->prepare_client($page);
        $page->changeTpl('xnetlists/index.tpl');

        if (Get::has('del')) {
            $this->client->unsubscribe(Get::v('del'));
            pl_redirect('lists');
        }
        if (Get::has('add')) {
            $this->client->subscribe(Get::v('add'));
            pl_redirect('lists');
        }

        if (Post::has('del_alias') && may_update()) {
            $alias = Post::v('del_alias');
            // prevent group admin from erasing aliases from other groups
            $alias = substr($alias, 0, strpos($alias, '@')).'@'.$globals->asso('mail_domain');
            XDB::query(
                    'DELETE FROM  r, v
                           USING  x4dat.virtual AS v
                       LEFT JOIN  x4dat.virtual_redirect AS r USING(vid)
                           WHERE  v.alias={?}', $alias);
            $page->trig(Post::v('del_alias')." supprimé !");
        }

        $listes = $this->client->get_lists();
        $page->assign('listes',$listes);

        $alias  = XDB::iterator(
                'SELECT  alias,type
                   FROM  x4dat.virtual
                  WHERE  alias
                   LIKE  {?} AND type="user"
               ORDER BY  alias', '%@'.$globals->asso('mail_domain'));
        $page->assign('alias', $alias);

        $page->assign('may_update', may_update());
    }

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

        if (!$globals->asso('mail_domain')) {
            return PL_NOT_FOUND;
        }
        $this->prepare_client($page);
        $page->changeTpl('xnetlists/create.tpl');

        if (!Post::has('submit')) {
            return;
        }

        if (!Post::has('liste')) {
            $page->trig('champs «addresse souhaitée» vide');
            return;
        }

        $liste = strtolower(Post::v('liste'));

        if (!preg_match("/^[a-zA-Z0-9\-]*$/", $liste)) {
            $page->trig('le nom de la liste ne doit contenir que des lettres non accentuées, chiffres et tirets');
            return;
        }

        $new = $liste.'@'.$globals->asso('mail_domain');
        $res = XDB::query('SELECT alias FROM x4dat.virtual WHERE alias={?}', $new);

        if ($res->numRows()) {
            $page->trig('cet alias est déjà pris');
            return;
        }
        if (!Post::v('desc')) {
            $page->trig('le sujet est vide');
            return;
        }

        $ret = $this->client->create_list(
                    $liste, utf8_decode(Post::v('desc')), Post::v('advertise'),
                    Post::v('modlevel'), Post::v('inslevel'),
                    array(S::v('forlife')), array(S::v('forlife')));

        $dom = strtolower($globals->asso("mail_domain"));
        $red = $dom.'_'.$liste;

        if (!$ret) {
            $page->kill("Un problème est survenu, contacter "
                        ."<a href='mailto:support@m4x.org'>support@m4x.org</a>");
            return;
        }
        foreach (array('', 'owner', 'admin', 'bounces', 'unsubscribe') as $app) {
            $mdir = $app == '' ? '+post' : '+' . $app;
            if (!empty($app)) {
                $app  = '-' . $app;
            }
            XDB::execute('INSERT INTO x4dat.virtual (alias,type)
                                    VALUES({?},{?})', $liste. $app . '@'.$dom, 'list');
            XDB::execute('INSERT INTO x4dat.virtual_redirect (vid,redirect)
                                    VALUES ({?}, {?})', XDB::insertId(),
                                   $red . $mdir . '@listes.polytechnique.org');
        }
        pl_redirect('lists/admin/'.$liste);
    }

    function handler_sync(&$page, $liste = null)
    {
        global $globals;

        if (!$globals->asso('mail_domain')) {
            return PL_NOT_FOUND;
        }
        $this->prepare_client($page);
        $page->changeTpl('xnetlists/sync.tpl');

        if (Env::has('add')) {
            $this->client->mass_subscribe($liste, array_keys(Env::v('add')));
        }

        list(,$members) = $this->client->get_members($liste);
        $mails = array_map(create_function('$arr', 'return $arr[1];'), $members);
        $subscribers = array_unique($mails);

        $not_in_group_x = array();
        $not_in_group_ext = array();

        $ann = XDB::iterator(
                  "SELECT  if (m.origine='X',if (u.nom_usage<>'', u.nom_usage, u.nom) ,m.nom) AS nom,
                           if (m.origine='X',u.prenom,m.prenom) AS prenom,
                           if (m.origine='X',u.promo,'extérieur') AS promo,
                           if (m.origine='X',CONCAT(a.alias, '@{$globals->mail->domain}'),m.email) AS email,
                           if (m.origine='X',FIND_IN_SET('femme', u.flags),0) AS femme,
                           m.perms='admin' AS admin,
                           m.origine='X' AS x
                     FROM  groupex.membres AS m
                LEFT JOIN  auth_user_md5   AS u ON ( u.user_id = m.uid )
                LEFT JOIN  aliases         AS a ON ( a.id = m.uid AND a.type='a_vie' )
                    WHERE  m.asso_id = {?}
                 ORDER BY  promo, nom, prenom", $globals->asso('id'));

        $not_in_list = array();

        while ($tmp = $ann->next()) {
            if (!in_array(strtolower($tmp['email']), $subscribers)) {
                $not_in_list[] = $tmp;
            }
        }

        $page->assign('not_in_list', $not_in_list);
    }

    function handler_aadmin(&$page, $lfull = null)
    {
        global $globals;

        if (!$globals->asso('mail_domain') || is_null($lfull)) {
            return PL_NOT_FOUND;
        }
        $page->changeTpl('xnetlists/alias-admin.tpl');

        if (Env::has('add_member')) {
            $add = Env::v('add_member');
            if (strstr($add, '@')) {
                list($mbox,$dom) = explode('@', strtolower($add));
            } else {
                $mbox = $add;
                $dom = 'm4x.org';
            }
            if ($dom == 'polytechnique.org' || $dom == 'm4x.org') {
                $res = XDB::query(
                        "SELECT  a.alias, b.alias
                           FROM  x4dat.aliases AS a
                      LEFT JOIN  x4dat.aliases AS b ON (a.id=b.id AND b.type = 'a_vie')
                          WHERE  a.alias={?} AND a.type!='homonyme'", $mbox);
                if (list($alias, $blias) = $res->fetchOneRow()) {
                    $alias = empty($blias) ? $alias : $blias;
                    XDB::query(
                        "INSERT INTO  x4dat.virtual_redirect (vid,redirect)
                              SELECT  vid, {?}
                                FROM  x4dat.virtual
                               WHERE  alias={?}", "$alias@m4x.org", $lfull);
                   $page->trig("$alias@m4x.org ajouté");
                } else {
                    $page->trig("$mbox@{$globals->mail->domain} n'existe pas.");
                }
            } else {
                XDB::query(
                        "INSERT INTO  x4dat.virtual_redirect (vid,redirect)
                              SELECT  vid,{?}
                                FROM  x4dat.virtual
                               WHERE  alias={?}", "$mbox@$dom", $lfull);
                $page->trig("$mbox@$dom ajouté");
            }
        }

        if (Env::has('del_member')) {
            XDB::query(
                    "DELETE FROM  x4dat.virtual_redirect
                           USING  x4dat.virtual_redirect
                      INNER JOIN  x4dat.virtual USING(vid)
                           WHERE  redirect={?} AND alias={?}", Env::v('del_member'), $lfull);
            pl_redirect('alias/admin/'.$lfull);
        }

        global $globals;
        $res = XDB::iterator("SELECT  IF(r.login IS NULL, m.nom, IF(u.nom_usage != '', u.nom_usage, u.nom)) AS nom,
                                      IF(r.login IS NULL, m.prenom, u.prenom) AS prenom,
                                      IF(r.login IS NULL, 'extérieur', u.promo) AS promo,
                                      m.perms = 'admin' AS admin, r.redirect, r.login AS alias
                                FROM  (SELECT  redirect AS redirect,
                                               IF(SUBSTRING_INDEX(redirect, '@', -1) IN ({?}, {?}),
                                                  SUBSTRING_INDEX(redirect, '@', 1), NULL) AS login
                                         FROM  x4dat.virtual_redirect AS vr
                                   INNER JOIN  x4dat.virtual          AS v  USING(vid)
                                        WHERE  v.alias = {?}
                                     ORDER BY  redirect) AS r
                           LEFT JOIN  aliases AS a ON (r.login IS NOT NULL AND r.login = a.alias)
                           LEFT JOIN  auth_user_md5 AS u ON (u.user_id = a.id)
                           LEFT JOIN groupex.membres AS m ON (m.asso_id = {?} AND IF(r.login IS NULL, m.email = r.redirect, m.uid = u.user_id))",
                $globals->mail->domain, $globals->mail->domain2,
                $lfull, $globals->asso('id'));
        $page->assign('mem', $res);
    }

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

        if (!$globals->asso('mail_domain')) {
            return PL_NOT_FOUND;
        }
        $page->changeTpl('xnetlists/alias-create.tpl');

        if (!Post::has('submit')) {
            return;
        }

        if (!Post::has('liste')) {
            $page->trig('champs «addresse souhaitée» vide');
            return;
        }
        $liste = Post::v('liste');
        if (!preg_match("/^[a-zA-Z0-9\-\.]*$/", $liste)) {
            $page->trig('le nom de l\'alias ne doit contenir que des lettres,'
                        .' chiffres, tirets et points');
            return;
        }

        $new = $liste.'@'.$globals->asso('mail_domain');
        $res = XDB::query('SELECT COUNT(*) FROM x4dat.virtual WHERE alias={?}', $new);
        $n   = $res->fetchOneCell();
        if ($n) {
            $page->trig('cet alias est déjà pris');
            return;
        }

        XDB::query('INSERT INTO x4dat.virtual (alias,type) VALUES({?}, "user")', $new);

        pl_redirect("alias/admin/$new");
    }

    function handler_profile(&$page, $user = null)
    {
        http_redirect('https://www.polytechnique.org/profile/'.$user);
    }
}

// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
?>