phpbb/phpBB/phpbb/messenger/method/email.php

588 lines
14 KiB
PHP

<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\messenger\method;
use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mailer\MailerInterface;
use Symfony\Component\Mailer\Transport;
use Symfony\Component\Mailer\Mailer;
use Symfony\Component\Mailer\Transport\AbstractTransport;
use Symfony\Component\Mailer\Transport\TransportInterface;
use Symfony\Component\Mime\Address;
use Symfony\Component\Mime\Email as symfony_email;
use Symfony\Component\Mime\Header\Headers;
/**
* Messenger class
*/
class email extends base
{
/** @var array */
private const PRIORITY_MAP = [
symfony_email::PRIORITY_HIGHEST => 'Highest',
symfony_email::PRIORITY_HIGH => 'High',
symfony_email::PRIORITY_NORMAL => 'Normal',
symfony_email::PRIORITY_LOW => 'Low',
symfony_email::PRIORITY_LOWEST => 'Lowest',
];
/**
* @var string
*
* Symfony Mailer transport DSN
*/
protected string $dsn = '';
/** @var symfony_email */
protected symfony_email $email;
/** @var Address From address */
protected Address $from;
/** @var Headers Email headers */
protected Headers $headers;
/**
* @var int
*
* Possible values are:
* symfony_email::PRIORITY_HIGHEST
* symfony_email::PRIORITY_HIGH
* symfony_email::PRIORITY_NORMAL
* symfony_email::PRIORITY_LOW
* symfony_email::PRIORITY_LOWEST
*/
protected int $mail_priority = symfony_email::PRIORITY_NORMAL;
/** @var \phpbb\messenger\queue */
protected $queue;
/** @var Address */
protected Address $reply_to;
/** @var AbstractTransport */
protected AbstractTransport $transport;
/**
* {@inheritDoc}
*/
public function get_queue_object_name(): string
{
return 'email';
}
/**
* {@inheritDoc}
*/
public function is_enabled(): bool
{
return (bool) $this->config['email_enable'];
}
/**
* {@inheritDoc}
*/
public function init(): void
{
$this->email = new symfony_email();
$this->headers = $this->email->getHeaders();
$this->subject = $this->msg = '';
$this->mail_priority = symfony_email::PRIORITY_NORMAL;
$this->additional_headers = [];
$this->set_use_queue();
unset($this->template, $this->reply_to, $this->from);
}
/**
* {@inheritdoc}
*/
public function set_use_queue(bool $use_queue = true): void
{
$this->use_queue = !$this->config['email_package_size'] ? false : $use_queue;
}
/**
* {@inheritDoc}
*/
public function set_addresses(array $user_row): void
{
if (!empty($user_row['user_email']))
{
$this->to($user_row['user_email'], $user_row['username'] ?? '');
}
}
/**
* Sets email address to send to
*
* @param string $address Email "To" recipient address
* @param string $realname Email "To" recipient name
* @return void
*/
public function to(string $address, string $realname = ''): void
{
if (!$address = trim($address))
{
return;
}
$to = new Address($address, trim($realname));
$this->email->getTo() ? $this->email->addTo($to) : $this->email->to($to);
}
/**
* Sets cc address to send to
*
* @param string $address Email carbon copy recipient address
* @param string $realname Email carbon copy recipient name
* @return void
*/
public function cc(string $address, string $realname = ''): void
{
if (!$address = trim($address))
{
return;
}
$cc = new Address($address, trim($realname));
$this->email->getCc() ? $this->email->addCc($cc) : $this->email->cc($cc);
}
/**
* Sets bcc address to send to
*
* @param string $address Email black carbon copy recipient address
* @param string $realname Email black carbon copy recipient name
* @return void
*/
public function bcc(string $address, string $realname = ''): void
{
if (!$address = trim($address))
{
return;
}
$bcc = new Address($address, trim($realname));
$this->email->getBcc() ? $this->email->addBcc($bcc) : $this->email->bcc($bcc);
}
/**
* Set the reply to address
*
* @param string $address Email "Reply to" address
* @param string $realname Email "Reply to" recipient name
* @return void
*/
public function reply_to(string $address, string $realname = ''): void
{
if (!$address = trim($address))
{
return;
}
$this->reply_to = new Address($address, trim($realname));
$this->email->getReplyTo() ? $this->email->addReplyTo($this->reply_to) : $this->email->replyTo($this->reply_to);
}
/**
* Set the from address
*
* @param string $address Email "from" address
* @param string $realname Email "from" recipient name
* @return void
*/
public function from(string $address, string $realname = ''): void
{
if (!$address = trim($address))
{
return;
}
$this->from = new Address($address, trim($realname));
$this->email->getFrom() ? $this->email->addFrom($this->from) : $this->email->from($this->from);
}
/**
* Set up subject for mail
*
* @param string $subject Email subject
* @return void
*/
public function subject(string $subject = ''): void
{
parent::subject(trim($subject));
$this->email->subject($this->subject);
}
/**
* Adds X-AntiAbuse headers
*
* @param \phpbb\config\config $config Config object
* @param \phpbb\user $user User object
* @return void
*/
public function anti_abuse_headers(\phpbb\config\config $config, \phpbb\user $user): void
{
$this->header('X-AntiAbuse', 'Board servername - ' . $config['server_name']);
$this->header('X-AntiAbuse', 'User_id - ' . $user->data['user_id']);
$this->header('X-AntiAbuse', 'Username - ' . $user->data['username']);
$this->header('X-AntiAbuse', 'User IP - ' . $user->ip);
}
/**
* Set the email priority
*
* Possible values are:
* symfony_email::PRIORITY_HIGHEST = 1
* symfony_email::PRIORITY_HIGH = 2
* symfony_email::PRIORITY_NORMAL = 3
* symfony_email::PRIORITY_LOW = 4
* symfony_email::PRIORITY_LOWEST = 5
*
* @param int $priority Email priority level
* @return void
*/
public function set_mail_priority(int $priority = symfony_email::PRIORITY_NORMAL): void
{
$this->email->priority($priority);
}
/**
* Set email headers
*
* @return void
*/
protected function build_headers(): void
{
$board_contact = trim($this->config['board_contact']);
$contact_name = html_entity_decode($this->config['board_contact_name'], ENT_COMPAT);
if (empty($this->email->getReplyTo()))
{
$this->reply_to($board_contact, $contact_name);
}
if (empty($this->email->getFrom()))
{
$this->from($board_contact, $contact_name);
}
$this->email->priority($this->mail_priority);
$headers = [
'Return-Path' => new Address($this->config['board_email']),
'Sender' => new Address($this->config['board_email']),
'X-MSMail-Priority' => self::PRIORITY_MAP[$this->mail_priority],
'X-Mailer' => 'phpBB',
'X-MimeOLE' => 'phpBB',
'X-phpBB-Origin' => 'phpbb://' . str_replace(['http://', 'https://'], ['', ''], generate_board_url()),
];
// Add additional headers
$headers = array_merge($headers, $this->additional_headers);
/**
* Event to modify email header entries
*
* @event core.modify_email_headers
* @var array headers Array containing email header entries
* @since 3.1.11-RC1
*/
$vars = ['headers'];
extract($this->dispatcher->trigger_event('core.modify_email_headers', compact($vars)));
foreach ($headers as $header => $value)
{
$this->header($header, $value);
}
}
/**
* Generates valid DSN for Symfony Mailer transport
*
* @param string $dsn Symfony Mailer transport DSN
* @return void
*/
public function set_dsn(string $dsn = ''): void
{
if (!empty($dsn))
{
$this->dsn = $dsn;
}
else if ($this->config['smtp_delivery'])
{
if (empty($this->config['smtp_host']))
{
$this->dsn = 'null://null';
}
else
{
$user = urlencode($this->config['smtp_username']);
$password = urlencode($this->config['smtp_password']);
$smtp_host = urlencode($this->config['smtp_host']);
$smtp_port = $this->config['smtp_port'];
$this->dsn = "smtp://$user:$password@$smtp_host:$smtp_port";
}
}
else
{
$this->dsn = 'sendmail://default';
}
}
/**
* Get Symfony Mailer transport DSN
*
* @return string
*/
public function get_dsn(): string
{
return $this->dsn;
}
/**
* Generates a valid transport to send email
*
* @return void
*/
public function set_transport(): void
{
if (empty($this->dsn))
{
$this->set_dsn();
}
$this->transport = Transport::fromDsn($this->dsn, $this->dispatcher);
if ($this->config['smtp_delivery'] && method_exists($this->transport, 'getStream'))
{
// Set ssl context options, see http://php.net/manual/en/context.ssl.php
$options['ssl'] = [
'verify_peer' => (bool) $this->config['smtp_verify_peer'],
'verify_peer_name' => (bool) $this->config['smtp_verify_peer_name'],
'allow_self_signed' => (bool) $this->config['smtp_allow_self_signed'],
];
$this->transport->getStream()->setStreamOptions($options);
}
}
/**
* {@inheritDoc}
*/
public function process_queue(array &$queue_data): void
{
$queue_object_name = $this->get_queue_object_name();
$messages_count = count($queue_data[$queue_object_name]['data']);
if (!$this->is_enabled() || !$messages_count)
{
unset($queue_data[$queue_object_name]);
return;
}
@set_time_limit(0);
$package_size = $queue_data[$queue_object_name]['package_size'] ?? 0;
$num_items = (!$package_size || $messages_count < $package_size) ? $messages_count : $package_size;
$mailer = $this->get_mailer();
for ($i = 0; $i < $num_items; $i++)
{
// Make variables available...
extract(array_shift($queue_data[$queue_object_name]['data']));
$break = false;
/**
* Event to send message via external transport
*
* @event core.notification_message_process
* @var string break Flag indicating if the function return after hook
* @var string email The Symfony Email object
* @since 3.2.4-RC1
* @changed 4.0.0-a1 Added vars: email. Removed vars: addresses, subject, msg.
*/
$vars = [
'break',
'email',
];
extract($this->dispatcher->trigger_event('core.notification_message_process', compact($vars)));
if (!$break)
{
try
{
$mailer->send($email);
}
catch (TransportExceptionInterface $e)
{
$this->error($e->getDebug());
continue;
}
}
}
// No more data for this object? Unset it
if (!count($queue_data[$queue_object_name]['data']))
{
unset($queue_data[$queue_object_name]);
}
}
/**
* Get mailer object
*
* @return MailerInterface Symfony Mailer object
*/
protected function get_mailer(): MailerInterface
{
return new Mailer($this->transport);
}
/**
* Get mailer transport object
*
* @return TransportInterface Symfony Mailer transport object
*/
public function get_transport(): TransportInterface
{
return $this->transport;
}
/**
* {@inheritDoc}
*/
public function send(): bool
{
$this->prepare_message();
$this->email->subject($this->subject);
$this->email->text($this->msg);
$break = false;
$subject = $this->subject;
$msg = $this->msg;
$email = $this->email;
/**
* Event to send message via external transport
*
* @event core.notification_message_email
* @var bool break Flag indicating if the function return after hook
* @var string subject The message subject
* @var string msg The message text
* @var string email The Symfony Email object
* @since 3.2.4-RC1
* @changed 4.0.0-a1 Added vars: email. Removed vars: addresses
*/
$vars = [
'break',
'subject',
'msg',
'email',
];
extract($this->dispatcher->trigger_event('core.notification_message_email', compact($vars)));
$this->email = $email;
$this->build_headers();
if ($break)
{
return true;
}
// Send message ...
if (!$this->use_queue)
{
$mailer = $this->get_mailer();
$subject = $this->subject;
$msg = $this->msg;
$headers = $this->headers;
$email = $this->email;
/**
* Modify data before sending out emails with PHP's mail function
*
* @event core.phpbb_mail_before
* @var string email The Symfony Email object
* @var string subject The message subject
* @var string msg The message text
* @var string headers The email headers
* @since 3.3.6-RC1
* @changed 4.0.0-a1 Added vars: email. Removed vars: to, eol, additional_parameters.
*/
$vars = [
'email',
'subject',
'msg',
'headers',
];
extract($this->dispatcher->trigger_event('core.phpbb_mail_before', compact($vars)));
$this->subject = $subject;
$this->msg = $msg;
$this->headers = $headers;
$this->email = $email;
try
{
$mailer->send($this->email);
}
catch (TransportExceptionInterface $e)
{
$this->error($e->getDebug());
return false;
}
/**
* Execute code after sending out emails with PHP's mail function
*
* @event core.phpbb_mail_after
* @var string email The Symfony Email object
* @var string subject The message subject
* @var string msg The message text
* @var string headers The email headers
* @since 3.3.6-RC1
* @changed 4.0.0-a1 Added vars: email. Removed vars: to, eol, additional_parameters, $result.
*/
$vars = [
'email',
'subject',
'msg',
'headers',
];
extract($this->dispatcher->trigger_event('core.phpbb_mail_after', compact($vars)));
}
else
{
$this->queue->init('email', $this->config['email_package_size']);
$this->queue->put('email', [
'email' => $this->email,
]);
}
// Reset the object
$this->init();
return true;
}
/**
* {@inheritdoc}
*/
public function header(string $header_name, mixed $header_value): void
{
$this->headers->addHeader($header_name, $header_value);
}
}