Viewing file:  AbstractTransport.php (3.91 KB) -rw-r--r--
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Mailer\Transport;
use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Symfony\Bridge\Twig\Mime\TemplatedEmail;
use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Event\FailedMessageEvent;
use Symfony\Component\Mailer\Event\MessageEvent;
use Symfony\Component\Mailer\Event\SentMessageEvent;
use Symfony\Component\Mailer\Exception\LogicException;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mime\Address;
use Symfony\Component\Mime\BodyRendererInterface;
use Symfony\Component\Mime\RawMessage;
/**
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class AbstractTransport implements TransportInterface
{
private LoggerInterface $logger;
private float $rate = 0;
private float $lastSent = 0;
public function __construct(
private ?EventDispatcherInterface $dispatcher = null,
?LoggerInterface $logger = null,
) {
$this->logger = $logger ?? new NullLogger();
}
/**
* Sets the maximum number of messages to send per second (0 to disable).
*
* @return $this
*/
public function setMaxPerSecond(float $rate): static
{
if (0 >= $rate) {
$rate = 0;
}
$this->rate = $rate;
$this->lastSent = 0;
return $this;
}
public function send(RawMessage $message, ?Envelope $envelope = null): ?SentMessage
{
$message = clone $message;
$envelope = null !== $envelope ? clone $envelope : Envelope::create($message);
try {
if (!$this->dispatcher) {
$sentMessage = new SentMessage($message, $envelope);
$this->doSend($sentMessage);
return $sentMessage;
}
$event = new MessageEvent($message, $envelope, (string) $this);
$this->dispatcher->dispatch($event);
if ($event->isRejected()) {
return null;
}
$envelope = $event->getEnvelope();
$message = $event->getMessage();
if ($message instanceof TemplatedEmail && !$message->isRendered()) {
throw new LogicException(\sprintf('You must configure a "%s" when a "%s" instance has a text or HTML template set.', BodyRendererInterface::class, get_debug_type($message)));
}
$sentMessage = new SentMessage($message, $envelope);
try {
$this->doSend($sentMessage);
} catch (\Throwable $error) {
$this->dispatcher->dispatch(new FailedMessageEvent($message, $error));
$this->checkThrottling();
throw $error;
}
$this->dispatcher->dispatch(new SentMessageEvent($sentMessage));
return $sentMessage;
} finally {
$this->checkThrottling();
}
}
abstract protected function doSend(SentMessage $message): void;
/**
* @param Address[] $addresses
*
* @return string[]
*/
protected function stringifyAddresses(array $addresses): array
{
return array_map(fn (Address $a) => $a->toString(), $addresses);
}
protected function getLogger(): LoggerInterface
{
return $this->logger;
}
private function checkThrottling(): void
{
if (0 == $this->rate) {
return;
}
$sleep = (1 / $this->rate) - (microtime(true) - $this->lastSent);
if (0 < $sleep) {
$this->logger->debug(\sprintf('Email transport "%s" sleeps for %.2f seconds', __CLASS__, $sleep));
usleep((int) ($sleep * 1000000));
}
$this->lastSent = microtime(true);
}
}
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