Viewing file:  PostmarkApiTransport.php (5.84 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\Bridge\Postmark\Transport;
use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Exception\HttpTransportException;
use Symfony\Component\Mailer\Exception\TransportException;
use Symfony\Component\Mailer\Header\MetadataHeader;
use Symfony\Component\Mailer\Header\TagHeader;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mailer\Transport\AbstractApiTransport;
use Symfony\Component\Mime\Email;
use Symfony\Contracts\HttpClient\Exception\DecodingExceptionInterface;
use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
use Symfony\Contracts\HttpClient\HttpClientInterface;
use Symfony\Contracts\HttpClient\ResponseInterface;
/**
* @author Kevin Verschaeve
*/
class PostmarkApiTransport extends AbstractApiTransport
{
private const HOST = 'api.postmarkapp.com';
private string $key;
private $messageStream;
public function __construct(string $key, HttpClientInterface $client = null, EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
{
$this->key = $key;
parent::__construct($client, $dispatcher, $logger);
}
public function __toString(): string
{
return sprintf('postmark+api://%s', $this->getEndpoint()).($this->messageStream ? '?message_stream='.$this->messageStream : '');
}
protected function doSendApi(SentMessage $sentMessage, Email $email, Envelope $envelope): ResponseInterface
{
$response = $this->client->request('POST', 'https://'.$this->getEndpoint().'/email', [
'headers' => [
'Accept' => 'application/json',
'X-Postmark-Server-Token' => $this->key,
],
'json' => $this->getPayload($email, $envelope),
]);
try {
$statusCode = $response->getStatusCode();
$result = $response->toArray(false);
} catch (DecodingExceptionInterface) {
throw new HttpTransportException('Unable to send an email: '.$response->getContent(false).sprintf(' (code %d).', $statusCode), $response);
} catch (TransportExceptionInterface $e) {
throw new HttpTransportException('Could not reach the remote Postmark server.', $response, 0, $e);
}
if (200 !== $statusCode) {
throw new HttpTransportException('Unable to send an email: '.$result['Message'].sprintf(' (code %d).', $result['ErrorCode']), $response);
}
$sentMessage->setMessageId($result['MessageID']);
return $response;
}
private function getPayload(Email $email, Envelope $envelope): array
{
$payload = [
'From' => $envelope->getSender()->toString(),
'To' => implode(',', $this->stringifyAddresses($this->getRecipients($email, $envelope))),
'Cc' => implode(',', $this->stringifyAddresses($email->getCc())),
'Bcc' => implode(',', $this->stringifyAddresses($email->getBcc())),
'ReplyTo' => implode(',', $this->stringifyAddresses($email->getReplyTo())),
'Subject' => $email->getSubject(),
'TextBody' => $email->getTextBody(),
'HtmlBody' => $email->getHtmlBody(),
'Attachments' => $this->getAttachments($email),
];
$headersToBypass = ['from', 'to', 'cc', 'bcc', 'subject', 'content-type', 'sender', 'reply-to'];
foreach ($email->getHeaders()->all() as $name => $header) {
if (\in_array($name, $headersToBypass, true)) {
continue;
}
if ($header instanceof TagHeader) {
if (isset($payload['Tag'])) {
throw new TransportException('Postmark only allows a single tag per email.');
}
$payload['Tag'] = $header->getValue();
continue;
}
if ($header instanceof MetadataHeader) {
$payload['Metadata'][$header->getKey()] = $header->getValue();
continue;
}
if ($header instanceof MessageStreamHeader) {
$payload['MessageStream'] = $header->getValue();
continue;
}
$payload['Headers'][] = [
'Name' => $header->getName(),
'Value' => $header->getBodyAsString(),
];
}
if (null !== $this->messageStream && !isset($payload['MessageStream'])) {
$payload['MessageStream'] = $this->messageStream;
}
return $payload;
}
private function getAttachments(Email $email): array
{
$attachments = [];
foreach ($email->getAttachments() as $attachment) {
$headers = $attachment->getPreparedHeaders();
$filename = $headers->getHeaderParameter('Content-Disposition', 'filename');
$disposition = $headers->getHeaderBody('Content-Disposition');
$att = [
'Name' => $filename,
'Content' => $attachment->bodyToString(),
'ContentType' => $headers->get('Content-Type')->getBody(),
];
if ('inline' === $disposition) {
$att['ContentID'] = 'cid:'.$filename;
}
$attachments[] = $att;
}
return $attachments;
}
private function getEndpoint(): ?string
{
return ($this->host ?: self::HOST).($this->port ? ':'.$this->port : '');
}
/**
* @return $this
*/
public function setMessageStream(string $messageStream): static
{
$this->messageStream = $messageStream;
return $this;
}
}
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