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\Core\PConfig;
  11 use Friendica\Protocol\Email;
  12
  13 /**
  14  * @brief class to handle emailing
  15  */
  16 class Emailer
  17 {
  18         /**
  19          * Send a multipart/alternative message with Text and HTML versions
  20          *
  21          * @param array $params parameters
  22          *                      fromName             name of the sender
  23          *                      fromEmail            email of the sender
  24          *                      replyTo              address to direct responses
  25          *                      toEmail              destination email address
  26          *                      messageSubject       subject of the message
  27          *                      htmlVersion          html version of the message
  28          *                      textVersion          text only version of the message
  29          *                      additionalMailHeader additions to the SMTP mail header
  30          *                      optional             uid user id of the destination user
  31          *
  32          * @return bool
  33          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  34          */
  35         public static function send(array $params)
  36         {
  37                 $params['sent'] = false;
  38
  39                 Hook::callAll('emailer_send_prepare', $params);
  40
  41                 if ($params['sent']) {
  42                         return true;
  43                 }
  44
  45                 $email_textonly = false;
  46                 if (!empty($params['uid'])) {
  47                         $email_textonly = PConfig::get($params['uid'], "system", "email_textonly");
  48                 }
  49
  50                 $fromName = Email::encodeHeader(html_entity_decode($params['fromName'], ENT_QUOTES, 'UTF-8'), 'UTF-8');
  51                 $messageSubject = Email::encodeHeader(html_entity_decode($params['messageSubject'], ENT_QUOTES, 'UTF-8'), 'UTF-8');
  52
  53                 // generate a mime boundary
  54                 $mimeBoundary   =rand(0, 9)."-"
  55                                 .rand(100000000, 999999999)."-"
  56                                 .rand(100000000, 999999999)."=:"
  57                                 .rand(10000, 99999);
  58
  59                 // generate a multipart/alternative message header
  60                 $messageHeader = defaults($params, 'additionalMailHeader', '') .
  61                                                 "From: $fromName <{$params['fromEmail']}>\n" .
  62                                                 "Reply-To: $fromName <{$params['replyTo']}>\n" .
  63                                                 "MIME-Version: 1.0\n" .
  64                                                 "Content-Type: multipart/alternative; boundary=\"{$mimeBoundary}\"";
  65
  66                 // assemble the final multipart message body with the text and html types included
  67                 $textBody       =       chunk_split(base64_encode($params['textVersion']));
  68                 $htmlBody       =       chunk_split(base64_encode($params['htmlVersion']));
  69                 $multipartMessageBody = "--" . $mimeBoundary . "\n" .                                   // plain text section
  70                                                                 "Content-Type: text/plain; charset=UTF-8\n" .
  71                                                                 "Content-Transfer-Encoding: base64\n\n" .
  72                                                                 $textBody . "\n";
  73
  74                 if (!$email_textonly && !is_null($params['htmlVersion'])) {
  75                         $multipartMessageBody .=
  76                                 "--" . $mimeBoundary . "\n" .                           // text/html section
  77                                 "Content-Type: text/html; charset=UTF-8\n" .
  78                                 "Content-Transfer-Encoding: base64\n\n" .
  79                                 $htmlBody . "\n";
  80                 }
  81                 $multipartMessageBody .=
  82                         "--" . $mimeBoundary . "--\n";                                  // message ending
  83
  84                 if (Config::get("system", "sendmail_params", true)) {
  85                         $sendmail_params = '-f ' . $params['fromEmail'];
  86                 } else {
  87                         $sendmail_params = null;
  88                 }
  89
  90                 // send the message
  91                 $hookdata = [
  92                         'to' => $params['toEmail'],
  93                         'subject' => $messageSubject,
  94                         'body' => $multipartMessageBody,
  95                         'headers' => $messageHeader,
  96                         'parameters' => $sendmail_params,
  97                         'sent' => false,
  98                 ];
  99
 100                 Hook::callAll("emailer_send", $hookdata);
 101
 102                 if ($hookdata['sent']) {
 103                         return true;
 104                 }
 105
 106                 $res = mail(
 107                         $hookdata['to'],
 108                         $hookdata['subject'],
 109                         $hookdata['body'],
 110                         $hookdata['headers'],
 111                         $hookdata['parameters']
 112                 );
 113                 Logger::log("header " . 'To: ' . $params['toEmail'] . "\n" . $messageHeader, Logger::DEBUG);
 114                 Logger::log("return value " . (($res)?"true":"false"), Logger::DEBUG);
 115                 return $res;
 116         }
 117 }