src/Util/Emailer.php

   1 <?php
   2 /**
   3  * @file src/Util/Emailer.php
   4  */
   5 namespace Friendica\Util;
   6
   7 use Friendica\App;
   8 use Friendica\Core\Config\IConfig;
   9 use Friendica\Core\Hook;
  10 use Friendica\Core\PConfig\IPConfig;
  11 use Friendica\Network\HTTPException\InternalServerErrorException;
  12 use Friendica\Object\EMail\IEmail;
  13 use Friendica\Protocol\Email;
  14 use Psr\Log\LoggerInterface;
  15
  16 /**
  17  * class to handle emailing
  18  */
  19 class Emailer
  20 {
  21         /** @var IConfig */
  22         private $config;
  23         /** @var IPConfig */
  24         private $pConfig;
  25         /** @var LoggerInterface */
  26         private $logger;
  27         /** @var App\BaseURL */
  28         private $baseUrl;
  29
  30         public function __construct(IConfig $config, IPConfig $pConfig, App\BaseURL $baseURL, LoggerInterface $logger)
  31         {
  32                 $this->config      = $config;
  33                 $this->pConfig     = $pConfig;
  34                 $this->logger      = $logger;
  35                 $this->baseUrl     = $baseURL;
  36         }
  37
  38         /**
  39          * Send a multipart/alternative message with Text and HTML versions
  40          *
  41          * @param IEmail $email The email to send
  42          *
  43          * @return bool
  44          * @throws InternalServerErrorException
  45          */
  46         public function send(IEmail $email)
  47         {
  48                 Hook::callAll('emailer_send_prepare', $email);
  49
  50                 if (empty($email)) {
  51                         return true;
  52                 }
  53
  54                 $email_textonly = false;
  55                 if (!empty($email->getRecipientUid())) {
  56                         $email_textonly = $this->pConfig->get($email->getRecipientUid(), 'system', 'email_textonly');
  57                 }
  58
  59                 $fromName       = Email::encodeHeader(html_entity_decode($email->getFromName(), ENT_QUOTES, 'UTF-8'), 'UTF-8');
  60                 $fromAddress      = $email->getFromAddress();
  61                 $replyTo        = $email->getReplyTo();
  62                 $messageSubject = Email::encodeHeader(html_entity_decode($email->getSubject(), ENT_QUOTES, 'UTF-8'), 'UTF-8');
  63
  64                 // generate a mime boundary
  65                 $mimeBoundary = rand(0, 9) . '-'
  66                                 . rand(100000000, 999999999) . '-'
  67                                 . rand(100000000, 999999999) . '=:'
  68                                 . rand(10000, 99999);
  69
  70                 // generate a multipart/alternative message header
  71                 $messageHeader = $email->getAdditionalMailHeader() .
  72                                  "From: $fromName <{$fromAddress}>\n" .
  73                                  "Reply-To: $fromName <{$replyTo}>\n" .
  74                                  "MIME-Version: 1.0\n" .
  75                                  "Content-Type: multipart/alternative; boundary=\"{$mimeBoundary}\"";
  76
  77                 // assemble the final multipart message body with the text and html types included
  78                 $textBody             = chunk_split(base64_encode($email->getMessage(true)));
  79                 $htmlBody             = chunk_split(base64_encode($email->getMessage()));
  80                 $multipartMessageBody = "--" . $mimeBoundary . "\n" .                    // plain text section
  81                                         "Content-Type: text/plain; charset=UTF-8\n" .
  82                                         "Content-Transfer-Encoding: base64\n\n" .
  83                                         $textBody . "\n";
  84
  85                 if (!$email_textonly && !is_null($email->getMessage())) {
  86                         $multipartMessageBody .=
  87                                 "--" . $mimeBoundary . "\n" .                // text/html section
  88                                 "Content-Type: text/html; charset=UTF-8\n" .
  89                                 "Content-Transfer-Encoding: base64\n\n" .
  90                                 $htmlBody . "\n";
  91                 }
  92                 $multipartMessageBody .=
  93                         "--" . $mimeBoundary . "--\n";                    // message ending
  94
  95                 if ($this->config->get('system', 'sendmail_params', true)) {
  96                         $sendmail_params = '-f ' . $fromAddress;
  97                 } else {
  98                         $sendmail_params = null;
  99                 }
 100
 101                 // send the message
 102                 $hookdata = [
 103                         'to'         => $email->getToAddress(),
 104                         'subject'    => $messageSubject,
 105                         'body'       => $multipartMessageBody,
 106                         'headers'    => $messageHeader,
 107                         'parameters' => $sendmail_params,
 108                         'sent'       => false,
 109                 ];
 110
 111                 Hook::callAll('emailer_send', $hookdata);
 112
 113                 if ($hookdata['sent']) {
 114                         return true;
 115                 }
 116
 117                 $res = mail(
 118                         $hookdata['to'],
 119                         $hookdata['subject'],
 120                         $hookdata['body'],
 121                         $hookdata['headers'],
 122                         $hookdata['parameters']
 123                 );
 124                 $this->logger->debug('header ' . 'To: ' . $email->getToAddress() . '\n' . $messageHeader);
 125                 $this->logger->debug('return value ' . (($res) ? 'true' : 'false'));
 126                 return $res;
 127         }
 128 }