friendica/src/Util/Emailer.php
2021-03-29 08:40:20 +02:00

242 lines
7.2 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Util;
use Friendica\App;
use Friendica\Core\Config\IConfig;
use Friendica\Core\Hook;
use Friendica\Core\L10n;
use Friendica\Core\PConfig\IPConfig;
use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Object\EMail\IEmail;
use Friendica\Protocol\Email;
use Friendica\Util\EMailer\NotifyMailBuilder;
use Friendica\Util\EMailer\SystemMailBuilder;
use Psr\Log\LoggerInterface;
/**
* class to handle emailing
*/
class Emailer
{
/** @var IConfig */
private $config;
/** @var IPConfig */
private $pConfig;
/** @var LoggerInterface */
private $logger;
/** @var App\BaseURL */
private $baseUrl;
/** @var L10n */
private $l10n;
/** @var string */
private $siteEmailAddress;
/** @var string */
private $siteEmailName;
public function __construct(IConfig $config, IPConfig $pConfig, App\BaseURL $baseURL, LoggerInterface $logger,
L10n $defaultLang)
{
$this->config = $config;
$this->pConfig = $pConfig;
$this->logger = $logger;
$this->baseUrl = $baseURL;
$this->l10n = $defaultLang;
$this->siteEmailAddress = $this->config->get('config', 'sender_email');
if (empty($this->siteEmailAddress)) {
$hostname = $this->baseUrl->getHostname();
if (strpos($hostname, ':')) {
$hostname = substr($hostname, 0, strpos($hostname, ':'));
}
$this->siteEmailAddress = 'noreply@' . $hostname;
}
$this->siteEmailName = $this->config->get('config', 'sitename', 'Friendica Social Network');
}
/**
* Gets the site's default sender email address
*
* @return string
*/
public function getSiteEmailAddress()
{
return $this->siteEmailAddress;
}
/**
* Gets the site's default sender name
*
* @return string
*/
public function getSiteEmailName()
{
return $this->siteEmailName;
}
/**
* Creates a new system email
*
* @return SystemMailBuilder
*/
public function newSystemMail()
{
return new SystemMailBuilder($this->l10n, $this->baseUrl, $this->config, $this->logger,
$this->getSiteEmailAddress(), $this->getSiteEmailName());
}
/**
* Creates a new mail for notifications
*
* @return NotifyMailBuilder
*/
public function newNotifyMail()
{
return new NotifyMailBuilder($this->l10n, $this->baseUrl, $this->config, $this->logger,
$this->getSiteEmailAddress(), $this->getSiteEmailName());
}
/**
* Send a multipart/alternative message with Text and HTML versions
*
* @param IEmail $email The email to send
*
* @return bool
* @throws InternalServerErrorException
*/
public function send(IEmail $email)
{
Hook::callAll('emailer_send_prepare', $email);
if (empty($email)) {
return true;
}
// @see https://github.com/friendica/friendica/issues/9142
$countMessageId = 0;
foreach ($email->getAdditionalMailHeader() as $name => $value) {
if (strtolower($name) == 'message-id') {
$countMessageId += count($value);
}
}
if ($countMessageId > 0) {
$this->logger->warning('More than one Message-ID found - RFC violation', ['email' => $email]);
}
$email_textonly = false;
if (!empty($email->getRecipientUid())) {
$email_textonly = $this->pConfig->get($email->getRecipientUid(), 'system', 'email_textonly');
}
$fromName = Email::encodeHeader(html_entity_decode($email->getFromName(), ENT_QUOTES, 'UTF-8'), 'UTF-8');
$fromAddress = $email->getFromAddress();
$replyTo = $email->getReplyTo();
$messageSubject = Email::encodeHeader(html_entity_decode($email->getSubject(), ENT_QUOTES, 'UTF-8'), 'UTF-8');
// generate a mime boundary
$mimeBoundary = rand(0, 9) . '-'
. rand(100000000, 999999999) . '-'
. rand(100000000, 999999999) . '=:'
. rand(10000, 99999);
// generate a multipart/alternative message header
$messageHeader = $email->getAdditionalMailHeaderString() .
"From: $fromName <{$fromAddress}>\n" .
"Reply-To: $fromName <{$replyTo}>\n" .
"MIME-Version: 1.0\n" .
"Content-Type: multipart/alternative; boundary=\"{$mimeBoundary}\"";
// assemble the final multipart message body with the text and html types included
$textBody = chunk_split(base64_encode($email->getMessage(true)));
$htmlBody = chunk_split(base64_encode($email->getMessage()));
$multipartMessageBody = "--" . $mimeBoundary . "\n" . // plain text section
"Content-Type: text/plain; charset=UTF-8\n" .
"Content-Transfer-Encoding: base64\n\n" .
$textBody . "\n";
if (!$email_textonly && !is_null($email->getMessage())) {
$multipartMessageBody .=
"--" . $mimeBoundary . "\n" . // text/html section
"Content-Type: text/html; charset=UTF-8\n" .
"Content-Transfer-Encoding: base64\n\n" .
$htmlBody . "\n";
}
$multipartMessageBody .=
"--" . $mimeBoundary . "--\n"; // message ending
if ($this->config->get('system', 'sendmail_params', true)) {
$sendmail_params = '-f ' . $fromAddress;
} else {
$sendmail_params = null;
}
// send the message
$hookdata = [
'to' => $email->getToAddress(),
'subject' => $messageSubject,
'body' => $multipartMessageBody,
'headers' => $messageHeader,
'parameters' => $sendmail_params,
'sent' => false,
];
Hook::callAll('emailer_send', $hookdata);
if ($hookdata['sent']) {
return true;
}
$res = $this->mail(
$hookdata['to'],
$hookdata['subject'],
$hookdata['body'],
$hookdata['headers'],
$hookdata['parameters']
);
$this->logger->debug('header ' . 'To: ' . $email->getToAddress() . '\n' . $messageHeader);
$this->logger->debug('return value ' . (($res) ? 'true' : 'false'));
return $res;
}
/**
* Wrapper around the mail() method (mainly used to overwrite for tests)
* @see mail()
*
* @param string $to Recipient of this mail
* @param string $subject Subject of this mail
* @param string $body Message body of this mail
* @param string $headers Headers of this mail
* @param string $parameters Additional (sendmail) parameters of this mail
*
* @return boolean true if the mail was successfully accepted for delivery, false otherwise.
*/
protected function mail(string $to, string $subject, string $body, string $headers, string $parameters)
{
return mail($to, $subject, $body, $headers, $parameters);
}
}