<?php

/*
 * Copyright (C) 2004 $ThePhpWikiProgrammingTeam
 *
 * This file is part of PhpWiki.
 *
 * PhpWiki 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.
 *
 * PhpWiki 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 PhpWiki; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

class _IMAPPassUser
    extends _PassUser
    /**
     * Define the var IMAP_AUTH_HOST in config/config.ini (with port probably)
     *
     * Preferences are handled in _PassUser
     */
{
    function checkPass($submitted_password)
    {
        if (!$this->isValidName()) {
            if (DEBUG & _DEBUG_LOGIN) trigger_error(get_class($this) . "::checkPass => failed isValidName", E_USER_WARNING);
            trigger_error(_("Invalid username."), E_USER_WARNING);
            return $this->_tryNextPass($submitted_password);
        }
        if (!$this->_checkPassLength($submitted_password)) {
            if (DEBUG & _DEBUG_LOGIN) trigger_error(get_class($this) . "::checkPass => failed checkPassLength", E_USER_WARNING);
            return WIKIAUTH_FORBIDDEN;
        }
        $userid = $this->_userid;
        $mbox = @imap_open("{" . IMAP_AUTH_HOST . "}",
            $userid, $submitted_password, OP_HALFOPEN);
        if ($mbox) {
            imap_close($mbox);
            $this->_authmethod = 'IMAP';
            if (DEBUG & _DEBUG_LOGIN) trigger_error(get_class($this) . "::checkPass => ok", E_USER_WARNING);
            $this->_level = WIKIAUTH_USER;
            return $this->_level;
        } else {
            if ($submitted_password != "") { // if LENGTH 0 is allowed
                trigger_error(_("Unable to connect to IMAP server ") . IMAP_AUTH_HOST,
                    E_USER_WARNING);
            }
        }
        if (DEBUG & _DEBUG_LOGIN) trigger_error(get_class($this) . "::checkPass => wrong", E_USER_WARNING);

        return $this->_tryNextPass($submitted_password);
    }

    //CHECKME: this will not be okay for the auth policy strict
    function userExists()
    {
        return true;

        if ($this->checkPass($this->_prefs->get('passwd'))) {
            if (DEBUG & _DEBUG_LOGIN) trigger_error(get_class($this) . "::userExists => true (pass ok)", E_USER_WARNING);
            return true;
        }
        if (DEBUG & _DEBUG_LOGIN) trigger_error(get_class($this) . "::userExists => false (pass wrong)", E_USER_WARNING);
        return $this->_tryNextUser();
    }

    function mayChangePass()
    {
        if (DEBUG & _DEBUG_LOGIN) trigger_error(get_class($this) . "::mayChangePass => false", E_USER_WARNING);
        return false;
    }
}

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