src/Util/Emailer.php

   1 <?php
   2 /**
   3  * @file src/Util/Emailer.php
   4  */
   5 namespace Friendica\Util;
   6
   7 use Friendica\Core\Config;
   8 use Friendica\Core\Hook;
   9 use Friendica\Core\Logger;
  10 use Friendica\Protocol\Email;
  11
  12 /**
  13  * class to handle emailing
  14  */
  15 class Emailer
  16 {
  17         /**
  18          * Send a multipart/alternative message with Text and HTML versions
  19          *
  20          * @param array $params parameters
  21          *                      fromName             name of the sender
  22          *                      fromEmail            email of the sender
  23          *                      replyTo              address to direct responses
  24          *                      toEmail              destination email address
  25          *                      messageSubject       subject of the message
  26          *                      htmlVersion          html version of the message
  27          *                      textVersion          text only version of the message
  28          *                      additionalMailHeader additions to the SMTP mail header
  29          *                      optional             uid user id of the destination user
  30          *
  31          * @return bool
  32          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  33          */
  34         public static function send(array $params)
  35         {
  36                 $params['sent'] = false;
  37
  38                 Hook::callAll('emailer_send_prepare', $params);
  39
  40                 if ($params['sent']) {
  41                         return true;
  42                 }
  43
  44                 $email_textonly = false;
  45                 if (!empty($params['uid'])) {
  46                         $email_textonly = DI::pConfig()->get($params['uid'], "system", "email_textonly");
  47                 }
  48
  49                 $fromName = Email::encodeHeader(html_entity_decode($params['fromName'], ENT_QUOTES, 'UTF-8'), 'UTF-8');
  50                 $messageSubject = Email::encodeHeader(html_entity_decode($params['messageSubject'], ENT_QUOTES, 'UTF-8'), 'UTF-8');
  51
  52                 // generate a mime boundary
  53                 $mimeBoundary   =rand(0, 9)."-"
  54                                 .rand(100000000, 999999999)."-"
  55                                 .rand(100000000, 999999999)."=:"
  56                                 .rand(10000, 99999);
  57
  58                 // generate a multipart/alternative message header
  59                 $messageHeader = ($params['additionalMailHeader'] ?? '') .
  60                                                 "From: $fromName <{$params['fromEmail']}>\n" .
  61                                                 "Reply-To: $fromName <{$params['replyTo']}>\n" .
  62                                                 "MIME-Version: 1.0\n" .
  63                                                 "Content-Type: multipart/alternative; boundary=\"{$mimeBoundary}\"";
  64
  65                 // assemble the final multipart message body with the text and html types included
  66                 $textBody       =       chunk_split(base64_encode($params['textVersion']));
  67                 $htmlBody       =       chunk_split(base64_encode($params['htmlVersion']));
  68                 $multipartMessageBody = "--" . $mimeBoundary . "\n" .                                   // plain text section
  69                                                                 "Content-Type: text/plain; charset=UTF-8\n" .
  70                                                                 "Content-Transfer-Encoding: base64\n\n" .
  71                                                                 $textBody . "\n";
  72
  73                 if (!$email_textonly && !is_null($params['htmlVersion'])) {
  74                         $multipartMessageBody .=
  75                                 "--" . $mimeBoundary . "\n" .                           // text/html section
  76                                 "Content-Type: text/html; charset=UTF-8\n" .
  77                                 "Content-Transfer-Encoding: base64\n\n" .
  78                                 $htmlBody . "\n";
  79                 }
  80                 $multipartMessageBody .=
  81                         "--" . $mimeBoundary . "--\n";                                  // message ending
  82
  83                 if (Config::get("system", "sendmail_params", true)) {
  84                         $sendmail_params = '-f ' . $params['fromEmail'];
  85                 } else {
  86                         $sendmail_params = null;
  87                 }
  88
  89                 // send the message
  90                 $hookdata = [
  91                         'to' => $params['toEmail'],
  92                         'subject' => $messageSubject,
  93                         'body' => $multipartMessageBody,
  94                         'headers' => $messageHeader,
  95                         'parameters' => $sendmail_params,
  96                         'sent' => false,
  97                 ];
  98
  99                 Hook::callAll("emailer_send", $hookdata);
 100
 101                 if ($hookdata['sent']) {
 102                         return true;
 103                 }
 104
 105                 $res = mail(
 106                         $hookdata['to'],
 107                         $hookdata['subject'],
 108                         $hookdata['body'],
 109                         $hookdata['headers'],
 110                         $hookdata['parameters']
 111                 );
 112                 Logger::log("header " . 'To: ' . $params['toEmail'] . "\n" . $messageHeader, Logger::DEBUG);
 113                 Logger::log("return value " . (($res)?"true":"false"), Logger::DEBUG);
 114                 return $res;
 115         }
 116 }