<?php
/**
 * ---------------------------------------------------------------------
 * GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2015-2021 Teclib' and contributors.
 *
 * http://glpi-project.org
 *
 * based on GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2003-2014 by the INDEPNET Development Team.
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * GLPI 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.
 *
 * GLPI 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 GLPI. If not, see <http://www.gnu.org/licenses/>.
 * ---------------------------------------------------------------------
 */

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;

if (!defined('GLPI_ROOT')) {
   die("Sorry. You can't access this file directly");
}


/** GLPIPhpMailer class
 *
 * @since 0.85
**/
class GLPIMailer extends PHPMailer {

   /**
    * Constructor
    *
   **/
   function __construct() {
      global $CFG_GLPI;

      $this->WordWrap           = 80;

      $this->CharSet            = "utf-8";

      // Comes from config
      $this->SetLanguage("en", Config::getLibraryDir("PHPMailer") . "/language/");

      if ($CFG_GLPI['smtp_mode'] != MAIL_MAIL) {
         $this->Mailer = "smtp";
         $this->Host   = $CFG_GLPI['smtp_host'].':'.$CFG_GLPI['smtp_port'];

         if ($CFG_GLPI['smtp_username'] != '') {
            $this->SMTPAuth = true;
            $this->Username = $CFG_GLPI['smtp_username'];
            $this->Password = Toolbox::sodiumDecrypt($CFG_GLPI['smtp_passwd']);
         }

         if ($CFG_GLPI['smtp_mode'] == MAIL_SMTPSSL) {
            $this->SMTPSecure = "ssl";
         } else if ($CFG_GLPI['smtp_mode'] == MAIL_SMTPTLS) {
            $this->SMTPSecure = "tls";
         } else {
            // Don't automatically enable encryption if the GLPI config doesn't specify it
            $this->SMTPAutoTLS = false;
         }

         if (!$CFG_GLPI['smtp_check_certificate']) {
            $this->SMTPOptions = ['ssl' => ['verify_peer'       => false,
                                            'verify_peer_name'  => false,
                                            'allow_self_signed' => true]];
         }
         if ($CFG_GLPI['smtp_sender'] != '') {
            $this->Sender = $CFG_GLPI['smtp_sender'];
         }
      }

      if ($_SESSION['glpi_use_mode'] == Session::DEBUG_MODE) {
         $this->SMTPDebug = SMTP::DEBUG_CONNECTION;
         $this->Debugoutput = function ($message, $level) {
            Toolbox::logInFile(
               'mail-debug',
               "$level - $message"
            );
         };
      }
   }

   public static function validateAddress($address, $patternselect = "pcre8") {
      $isValid = parent::validateAddress($address, $patternselect);
      if (!$isValid && Toolbox::endsWith($address, '@localhost')) {
         //since phpmailer6, @localhost address are no longer valid...
         $isValid = parent::ValidateAddress($address . '.me');
      }
      return $isValid;
   }

   public function setLanguage($langcode = 'en', $lang_path = '') {
      if ($lang_path == '') {
         $local_path = dirname(Config::getLibraryDir('PHPMailer\PHPMailer\PHPMailer'))  . '/language/';
         if (is_dir($local_path)) {
            $lang_path = $local_path;
         }
      }
      parent::setLanguage($langcode, $lang_path);
   }
}