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Differences Between: [Versions 310 and 401] [Versions 310 and 402] [Versions 310 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Customised version of phpmailer for Moodle
  19   *
  20   * @package    core
  21   * @author     Dan Poltawski <talktodan@gmail.com>
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  // PLEASE NOTE: we use the phpmailer class _unmodified_
  28  // through the joys of OO. Distros are free to use their stock
  29  // version of this file.
  30  
  31  /**
  32   * Moodle Customised version of the PHPMailer class
  33   *
  34   * This class extends the stock PHPMailer class
  35   * in order to make sensible configuration choices,
  36   * and behave in a way which is friendly to moodle.
  37   *
  38   * @copyright 2009 Dan Poltawski <talktodan@gmail.com>
  39   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  40   * @since     Moodle 2.0
  41   */
  42  class moodle_phpmailer extends \PHPMailer\PHPMailer\PHPMailer {
  43  
  44      /**
  45       * Constructor - creates an instance of the PHPMailer class
  46       * with Moodle defaults.
  47       */
  48      public function __construct(){
  49          global $CFG;
  50          $this->Version   = 'Moodle '.$CFG->version;         // mailer version
  51          $this->CharSet   = 'UTF-8';
  52          // MDL-52637: Disable the automatic TLS encryption added in v5.2.10 (9da56fc1328a72aa124b35b738966315c41ef5c6).
  53          $this->SMTPAutoTLS = false;
  54  
  55          if (!empty($CFG->smtpauthtype)) {
  56              $this->AuthType = $CFG->smtpauthtype;
  57          }
  58  
  59          // Some MTAs may do double conversion of LF if CRLF used, CRLF is required line ending in RFC 822bis.
  60          if (isset($CFG->mailnewline) and $CFG->mailnewline == 'CRLF') {
  61              parent::setLE("\r\n");
  62          } else {
  63              parent::setLE("\n");
  64          }
  65      }
  66  
  67      /**
  68       * Extended AddCustomHeader function in order to stop duplicate 
  69       * message-ids
  70       * http://tracker.moodle.org/browse/MDL-3681
  71       */
  72      public function addCustomHeader($custom_header, $value = null) {
  73          if ($value === null and preg_match('/message-id:(.*)/i', $custom_header, $matches)) {
  74              $this->MessageID = trim($matches[1]);
  75              return true;
  76          } else if ($value !== null and strcasecmp($custom_header, 'message-id') === 0) {
  77              $this->MessageID = trim($value);
  78              return true;
  79          } else {
  80              return parent::addCustomHeader($custom_header, $value);
  81          }
  82      }
  83  
  84      /**
  85       * Use internal moodles own core_text to encode mimeheaders.
  86       * Fall back to phpmailers inbuilt functions if not 
  87       */
  88      public function encodeHeader($str, $position = 'text') {
  89          $encoded = core_text::encode_mimeheader($str, $this->CharSet);
  90          if ($encoded !== false) {
  91              if ($position === 'phrase') {
  92                  // Escape special symbols in each line in the encoded string, join back together and enclose in quotes.
  93                  $chunks = preg_split("/\\n/", $encoded);
  94                  $chunks = array_map(function($chunk) {
  95                      return addcslashes($chunk, "\0..\37\177\\\"");
  96                  }, $chunks);
  97                  return '"' . join(parent::getLE(), $chunks) . '"';
  98              }
  99              return str_replace("\n", parent::getLE(), $encoded);
 100          }
 101  
 102          return parent::encodeHeader($str, $position);
 103      }
 104  
 105      /**
 106       * Replaced function to fix tz bug:
 107       * http://tracker.moodle.org/browse/MDL-12596
 108       */
 109      public static function rfcDate() {
 110          $tz = date('Z');
 111          $tzs = ($tz < 0) ? '-' : '+';
 112          $tz = abs($tz);
 113          $tz = (($tz - ($tz%3600) )/3600)*100 + ($tz%3600)/60; // fixed tz bug
 114          $result = sprintf("%s %s%04d", date('D, j M Y H:i:s'), $tzs, $tz);
 115  
 116          return $result;
 117      }
 118  
 119      /**
 120       * Sends this mail.
 121       *
 122       * This function has been overridden to facilitate unit testing.
 123       *
 124       * @return bool
 125       */
 126      public function postSend() {
 127          // Now ask phpunit if it wants to catch this message.
 128          if (PHPUNIT_TEST) {
 129              if (!phpunit_util::is_redirecting_phpmailer()) {
 130                  debugging('Unit tests must not send real emails! Use $this->redirectEmails()');
 131                  return true;
 132              }
 133              $mail = new stdClass();
 134              $mail->header = $this->MIMEHeader;
 135              $mail->body = $this->MIMEBody;
 136              $mail->subject = $this->Subject;
 137              $mail->from = $this->From;
 138              $mail->to = $this->to[0][0];
 139              phpunit_util::phpmailer_sent($mail);
 140              return true;
 141          } else {
 142              return parent::postSend();
 143          }
 144      }
 145  }