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         /** @var string */
  33         private $siteEmailAddress;
  34         /** @var string */
  35         private $siteEmailName;
  36
  37         public function __construct(IConfig $config, IPConfig $pConfig, App\BaseURL $baseURL, LoggerInterface $logger)
  38         {
  39                 $this->config      = $config;
  40                 $this->pConfig     = $pConfig;
  41                 $this->logger      = $logger;
  42                 $this->baseUrl     = $baseURL;
  43
  44                 $this->siteEmailAddress = $this->config->get('config', 'sender_email');
  45                 if (empty($sysEmailAddress)) {
  46                         $hostname = $this->baseUrl->getHostname();
  47                         if (strpos($hostname, ':')) {
  48                                 $hostname = substr($hostname, 0, strpos($hostname, ':'));
  49                         }
  50
  51                         $this->siteEmailAddress = 'noreply@' . $hostname;
  52                 }
  53
  54                 $this->siteEmailName = $this->config->get('config', 'sitename', 'Friendica Social Network');
  55         }
  56
  57         /**
  58          * Gets the site's default sender email address
  59          *
  60          * @return string
  61          */
  62         public function getSiteEmailAddress()
  63         {
  64                 return $this->siteEmailAddress;
  65         }
  66
  67         /**
  68          * Gets the site's default sender name
  69          *
  70          * @return string
  71          */
  72         public function getSiteEmailName()
  73         {
  74                 return $this->siteEmailName;
  75         }
  76
  77         /**
  78          * Creates a new system email
  79          *
  80          * @param L10n $l10n The chosen language for the new email
  81          *
  82          * @return SystemMailBuilder
  83          */
  84         public function newSystemMail(L10n $l10n)
  85         {
  86                 return new SystemMailBuilder($l10n, $this->baseUrl, $this->config,
  87                         $this->getSiteEmailAddress(), $this->getSiteEmailName());
  88         }
  89
  90         /**
  91          * Send a multipart/alternative message with Text and HTML versions
  92          *
  93          * @param IEmail $email The email to send
  94          *
  95          * @return bool
  96          * @throws InternalServerErrorException
  97          */
  98         public function send(IEmail $email)
  99         {
 100                 Hook::callAll('emailer_send_prepare', $email);
 101
 102                 if (empty($email)) {
 103                         return true;
 104                 }
 105
 106                 $email_textonly = false;
 107                 if (!empty($email->getRecipientUid())) {
 108                         $email_textonly = $this->pConfig->get($email->getRecipientUid(), 'system', 'email_textonly');
 109                 }
 110
 111                 $fromName       = Email::encodeHeader(html_entity_decode($email->getFromName(), ENT_QUOTES, 'UTF-8'), 'UTF-8');
 112                 $fromAddress      = $email->getFromAddress();
 113                 $replyTo        = $email->getReplyTo();
 114                 $messageSubject = Email::encodeHeader(html_entity_decode($email->getSubject(), ENT_QUOTES, 'UTF-8'), 'UTF-8');
 115
 116                 // generate a mime boundary
 117                 $mimeBoundary = rand(0, 9) . '-'
 118                                 . rand(100000000, 999999999) . '-'
 119                                 . rand(100000000, 999999999) . '=:'
 120                                 . rand(10000, 99999);
 121
 122                 // generate a multipart/alternative message header
 123                 $messageHeader = $email->getAdditionalMailHeader() .
 124                                  "From: $fromName <{$fromAddress}>\n" .
 125                                  "Reply-To: $fromName <{$replyTo}>\n" .
 126                                  "MIME-Version: 1.0\n" .
 127                                  "Content-Type: multipart/alternative; boundary=\"{$mimeBoundary}\"";
 128
 129                 // assemble the final multipart message body with the text and html types included
 130                 $textBody             = chunk_split(base64_encode($email->getMessage(true)));
 131                 $htmlBody             = chunk_split(base64_encode($email->getMessage()));
 132                 $multipartMessageBody = "--" . $mimeBoundary . "\n" .                    // plain text section
 133                                         "Content-Type: text/plain; charset=UTF-8\n" .
 134                                         "Content-Transfer-Encoding: base64\n\n" .
 135                                         $textBody . "\n";
 136
 137                 if (!$email_textonly && !is_null($email->getMessage())) {
 138                         $multipartMessageBody .=
 139                                 "--" . $mimeBoundary . "\n" .                // text/html section
 140                                 "Content-Type: text/html; charset=UTF-8\n" .
 141                                 "Content-Transfer-Encoding: base64\n\n" .
 142                                 $htmlBody . "\n";
 143                 }
 144                 $multipartMessageBody .=
 145                         "--" . $mimeBoundary . "--\n";                    // message ending
 146
 147                 if ($this->config->get('system', 'sendmail_params', true)) {
 148                         $sendmail_params = '-f ' . $fromAddress;
 149                 } else {
 150                         $sendmail_params = null;
 151                 }
 152
 153                 // send the message
 154                 $hookdata = [
 155                         'to'         => $email->getToAddress(),
 156                         'subject'    => $messageSubject,
 157                         'body'       => $multipartMessageBody,
 158                         'headers'    => $messageHeader,
 159                         'parameters' => $sendmail_params,
 160                         'sent'       => false,
 161                 ];
 162
 163                 Hook::callAll('emailer_send', $hookdata);
 164
 165                 if ($hookdata['sent']) {
 166                         return true;
 167                 }
 168
 169                 $res = mail(
 170                         $hookdata['to'],
 171                         $hookdata['subject'],
 172                         $hookdata['body'],
 173                         $hookdata['headers'],
 174                         $hookdata['parameters']
 175                 );
 176                 $this->logger->debug('header ' . 'To: ' . $email->getToAddress() . '\n' . $messageHeader);
 177                 $this->logger->debug('return value ' . (($res) ? 'true' : 'false'));
 178                 return $res;
 179         }
 180 }