109 lines
2.8 KiB
PHP
109 lines
2.8 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Mailer\Transport;
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use Psr\EventDispatcher\EventDispatcherInterface;
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use Psr\Log\LoggerInterface;
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use Psr\Log\NullLogger;
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use Symfony\Component\Mailer\Envelope;
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use Symfony\Component\Mailer\Event\MessageEvent;
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use Symfony\Component\Mailer\SentMessage;
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use Symfony\Component\Mime\Address;
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use Symfony\Component\Mime\RawMessage;
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/**
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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abstract class AbstractTransport implements TransportInterface
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{
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private $dispatcher;
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private $logger;
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private float $rate = 0;
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private float $lastSent = 0;
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public function __construct(EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
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{
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$this->dispatcher = $dispatcher;
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$this->logger = $logger ?? new NullLogger();
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}
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/**
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* Sets the maximum number of messages to send per second (0 to disable).
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*
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* @return $this
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*/
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public function setMaxPerSecond(float $rate): static
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{
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if (0 >= $rate) {
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$rate = 0;
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}
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$this->rate = $rate;
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$this->lastSent = 0;
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return $this;
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}
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public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
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{
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$message = clone $message;
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$envelope = null !== $envelope ? clone $envelope : Envelope::create($message);
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if (null !== $this->dispatcher) {
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$event = new MessageEvent($message, $envelope, (string) $this);
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$this->dispatcher->dispatch($event);
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$envelope = $event->getEnvelope();
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$message = $event->getMessage();
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}
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$message = new SentMessage($message, $envelope);
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$this->doSend($message);
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$this->checkThrottling();
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return $message;
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}
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abstract protected function doSend(SentMessage $message): void;
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/**
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* @param Address[] $addresses
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*
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* @return string[]
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*/
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protected function stringifyAddresses(array $addresses): array
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{
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return array_map(function (Address $a) {
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return $a->toString();
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}, $addresses);
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}
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protected function getLogger(): LoggerInterface
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{
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return $this->logger;
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}
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private function checkThrottling()
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{
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if (0 == $this->rate) {
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return;
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}
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$sleep = (1 / $this->rate) - (microtime(true) - $this->lastSent);
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if (0 < $sleep) {
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$this->logger->debug(sprintf('Email transport "%s" sleeps for %.2f seconds', __CLASS__, $sleep));
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usleep($sleep * 1000000);
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}
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$this->lastSent = microtime(true);
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}
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}
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