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<?php
// ------------------------------------------------------------------------ //
// XOOPS - PHP Content Management System //
// Copyright (c) 2000 XOOPS.org //
// <http://www.xoops.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. //
// //
// You may not change or alter any portion of this comment or credits //
// of supporting developers from this source code or any supporting //
// source code which is considered copyrighted (c) material of the //
// original comment or credit authors. //
// //
// 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 //
// ------------------------------------------------------------------------ //
// Author: Jochen Büînagel (job@buennagel.com) //
// URL: http://www.xoops.org //
// Project: The XOOPS Project //
// ------------------------------------------------------------------------- //
/**
 * Class for handling email, extending PHPMailer to email the users
 *
 * @category ICMS
 * @package Messaging
 * @subpackage Email
 * @copyright (c) 2007-2008 The ImpressCMS Project - www.impresscms.org
 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU General Public License (GPL)
 */

/**
 * load the base class
 */
require_once ICMS_LIBRARIES_PATH . '/phpmailer/PHPMailer.php';
require_once ICMS_LIBRARIES_PATH . '/phpmailer/SMTP.php';
require_once ICMS_LIBRARIES_PATH . '/phpmailer/Exception.php';

use PHPMailer\PHPMailer\PHPMailer;

/**
 * Mailer Class.
 *
 * @author Jochen B��nagel <jb@buennagel.com>
 * @copyright copyright (c) 2000-2003 The XOOPS Project (http://www.xoops.org)
 *
 * @category ICMS
 * @package Core
 * @subpackage Mail
 */
class icms_messaging_EmailHandler extends PHPMailer {

    /**
     * "from" address
     *
     * @var string
     * @access private
     */
    public $From = "";

    /**
     * "from" name
     *
     * @var string
     * @access private
     */
    public $FromName = "";

    /**
     * Method to be used when sending the mail.
     *
     * This can be:
     * <li>mail (standard PHP function "mail()") (default)
     * <li>smtp (send through any SMTP server, SMTPAuth is supported.
     * You must set {@link $Host}, for SMTPAuth also {@link $SMTPAuth},
     * {@link $Username}, and {@link $Password}.)
     * <li>sendmail (manually set the path to your sendmail program
     * to something different than "mail()" uses in {@link $Sendmail})
     *
     * @var string
     * @access private
     */
    public $Mailer = "mail";

    /**
     * set if $Mailer is "sendmail"
     *
     * Only used if {@link $Mailer} is set to "sendmail".
     * Contains the full path to your sendmail program or replacement.
     *
     * @var string
     * @access private
     */
    public $Sendmail = "/usr/sbin/sendmail";

    /**
     * SMTP Host.
     *
     * Only used if {@link $Mailer} is set to "smtp"
     *
     * @var string
     * @access private
     */
    public $Host = "";

    /**
     * Sets connection prefix.
     * Options are "", "ssl" or "tls"
     *
     * @var string
     */
    public $SMTPSecure = "";

    /**
     * Does your SMTP host require SMTPAuth authentication?
     *
     * @var boolean
     * @access private
     */
    public $SMTPAuth = FALSE;

    /**
     * Username for authentication with your SMTP host.
     *
     * Only used if {@link $Mailer} is "smtp" and {@link $SMTPAuth} is TRUE
     *
     * @var string
     * @access private
     */
    public $Username = "";

    /**
     * Password for SMTPAuth.
     *
     * Only used if {@link $Mailer} is "smtp" and {@link $SMTPAuth} is TRUE
     *
     * @var string
     * @access private
     */
    public $Password = "";

    /**
     * Sets default SMTP Port to use?
     *
     * @var boolean
     * @access private
     */
    public $Port = 25;

    /**
     * Constuctor
     *
     * @access public
     * @return void
     *
     * @global $icmsConfig
     */
    public function __construct() {
        global $icmsConfig, $icmsConfigMailer;
        $this->From = $icmsConfigMailer['from'];
        if ($this->From == '') {
            $this->From = $icmsConfig['adminmail'];
        }
        $this->Sender = $this->From;

        if ($icmsConfigMailer["mailmethod"] == "smtpauth") {
            $this->Mailer = "smtp";
            $this->SMTPAuth = true;
            $this->SMTPSecure = $icmsConfigMailer['smtpsecure'];
            // TODO: change value type of icmsConfigMailer "smtphost" from array to text
            $this->Host = implode(';', $icmsConfigMailer['smtphost']);
            $this->Username = $icmsConfigMailer['smtpuser'];
            $this->Password = $icmsConfigMailer['smtppass'];
            $this->Port = $icmsConfigMailer['smtpauthport'];
        } else {
            $this->Mailer = $icmsConfigMailer['mailmethod'];
            $this->SMTPAuth = false;
            $this->Sendmail = $icmsConfigMailer['sendmailpath'];
            $this->Host = implode(';', $icmsConfigMailer['smtphost']);
        }
        $this->CharSet = strtolower(_CHARSET);
        $this->SetLanguage('en', ICMS_LIBRARIES_PATH . "/phpmailer/language/");
        $this->PluginDir = ICMS_LIBRARIES_PATH . "/phpmailer/";
    }

    /**
     * Formats an address correctly.
     * This overrides the default addr_format method which does not seem to encode $FromName correctly
     *
     * @access private
     * @param string $addr the email address to be formatted
     * @return string the formatted string (address)
     */
    public function AddrFormat($addr) {
        if (empty($addr[1])) {
            $formatted = $addr[0];
        } else {
            $formatted = sprintf('%s <%s>', '=?' . $this->CharSet . '?B?' . base64_encode($addr[1]) . '?=', $addr[0]);
        }
        return $formatted;
    }

    // to be overidden by lang specific mail class, if needed
    public function encodeFromName($text) {
        return $text;
    }

    // to be overidden by lang specific mail class, if needed
    public function encodeSubject($text) {
        return $text;
    }

    // to be overidden by lang specific mail class, if needed
    public function encodeBody(&$text) {
        return $text;
    }
}