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\L10n;
  11 use Friendica\Core\PConfig\IPConfig;
  12 use Friendica\Network\HTTPException\InternalServerErrorException;
  13 use Friendica\Object\EMail\IEmail;
  14 use Friendica\Protocol\Email;
  15 use Friendica\Util\EMailer\SystemMailBuilder;
  16 use Psr\Log\LoggerInterface;
  17
  18 /**
  19  * class to handle emailing
  20  */
  21 class Emailer
  22 {
  23         /** @var IConfig */
  24         private $config;
  25         /** @var IPConfig */
  26         private $pConfig;
  27         /** @var LoggerInterface */
  28         private $logger;
  29         /** @var App\BaseURL */
  30         private $baseUrl;
  31
  32         public function __construct(IConfig $config, IPConfig $pConfig, App\BaseURL $baseURL, LoggerInterface $logger)
  33         {
  34                 $this->config      = $config;
  35                 $this->pConfig     = $pConfig;
  36                 $this->logger      = $logger;
  37                 $this->baseUrl     = $baseURL;
  38         }
  39
  40         /**
  41          * Creates a new system email
  42          *
  43          * @param App $a The Friendica app
  44          * @param L10n $l10n The chosen language for the new email
  45          *
  46          * @return SystemMailBuilder
  47          */
  48         public function newSystemMail(App $a, L10n $l10n)
  49         {
  50                 return new SystemMailBuilder($a, $l10n, $this->baseUrl, $this->config);
  51         }
  52
  53         /**
  54          * Send a multipart/alternative message with Text and HTML versions
  55          *
  56          * @param IEmail $email The email to send
  57          *
  58          * @return bool
  59          * @throws InternalServerErrorException
  60          */
  61         public function send(IEmail $email)
  62         {
  63                 Hook::callAll('emailer_send_prepare', $email);
  64
  65                 if (empty($email)) {
  66                         return true;
  67                 }
  68
  69                 $email_textonly = false;
  70                 if (!empty($email->getRecipientUid())) {
  71                         $email_textonly = $this->pConfig->get($email->getRecipientUid(), 'system', 'email_textonly');
  72                 }
  73
  74                 $fromName       = Email::encodeHeader(html_entity_decode($email->getFromName(), ENT_QUOTES, 'UTF-8'), 'UTF-8');
  75                 $fromAddress      = $email->getFromAddress();
  76                 $replyTo        = $email->getReplyTo();
  77                 $messageSubject = Email::encodeHeader(html_entity_decode($email->getSubject(), ENT_QUOTES, 'UTF-8'), 'UTF-8');
  78
  79                 // generate a mime boundary
  80                 $mimeBoundary = rand(0, 9) . '-'
  81                                 . rand(100000000, 999999999) . '-'
  82                                 . rand(100000000, 999999999) . '=:'
  83                                 . rand(10000, 99999);
  84
  85                 // generate a multipart/alternative message header
  86                 $messageHeader = $email->getAdditionalMailHeader() .
  87                                  "From: $fromName <{$fromAddress}>\n" .
  88                                  "Reply-To: $fromName <{$replyTo}>\n" .
  89                                  "MIME-Version: 1.0\n" .
  90                                  "Content-Type: multipart/alternative; boundary=\"{$mimeBoundary}\"";
  91
  92                 // assemble the final multipart message body with the text and html types included
  93                 $textBody             = chunk_split(base64_encode($email->getMessage(true)));
  94                 $htmlBody             = chunk_split(base64_encode($email->getMessage()));
  95                 $multipartMessageBody = "--" . $mimeBoundary . "\n" .                    // plain text section
  96                                         "Content-Type: text/plain; charset=UTF-8\n" .
  97                                         "Content-Transfer-Encoding: base64\n\n" .
  98                                         $textBody . "\n";
  99
 100                 if (!$email_textonly && !is_null($email->getMessage())) {
 101                         $multipartMessageBody .=
 102                                 "--" . $mimeBoundary . "\n" .                // text/html section
 103                                 "Content-Type: text/html; charset=UTF-8\n" .
 104                                 "Content-Transfer-Encoding: base64\n\n" .
 105                                 $htmlBody . "\n";
 106                 }
 107                 $multipartMessageBody .=
 108                         "--" . $mimeBoundary . "--\n";                    // message ending
 109
 110                 if ($this->config->get('system', 'sendmail_params', true)) {
 111                         $sendmail_params = '-f ' . $fromAddress;
 112                 } else {
 113                         $sendmail_params = null;
 114                 }
 115
 116                 // send the message
 117                 $hookdata = [
 118                         'to'         => $email->getToAddress(),
 119                         'subject'    => $messageSubject,
 120                         'body'       => $multipartMessageBody,
 121                         'headers'    => $messageHeader,
 122                         'parameters' => $sendmail_params,
 123                         'sent'       => false,
 124                 ];
 125
 126                 Hook::callAll('emailer_send', $hookdata);
 127
 128                 if ($hookdata['sent']) {
 129                         return true;
 130                 }
 131
 132                 $res = mail(
 133                         $hookdata['to'],
 134                         $hookdata['subject'],
 135                         $hookdata['body'],
 136                         $hookdata['headers'],
 137                         $hookdata['parameters']
 138                 );
 139                 $this->logger->debug('header ' . 'To: ' . $email->getToAddress() . '\n' . $messageHeader);
 140                 $this->logger->debug('return value ' . (($res) ? 'true' : 'false'));
 141                 return $res;
 142         }
 143 }