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<?php |
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namespace Coconuts\Mail; |
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use Swift_Attachment; |
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use Swift_Mime_Message; |
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use GuzzleHttp\ClientInterface; |
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use Illuminate\Mail\Transport\Transport; |
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class PostmarkTransport extends Transport |
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{ |
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/** |
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* Guzzle client instance. |
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* |
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* @var \GuzzleHttp\ClientInterface |
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*/ |
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protected $client; |
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/** |
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* The Postmark API key. |
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* |
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* @var string |
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*/ |
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protected $key; |
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/** |
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* The Postmark API end-point. |
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* |
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* @var string |
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*/ |
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protected $url = 'https://api.postmarkapp.com/email'; |
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/** |
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* Create a new Postmark transport instance. |
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* |
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* @param \GuzzleHttp\ClientInterface $client |
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* @param string $key |
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* |
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* @return void |
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*/ |
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public function __construct(ClientInterface $client, $key) |
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{ |
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$this->key = $key; |
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$this->client = $client; |
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} |
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/** |
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* Send the given Message. |
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* |
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* Recipient/sender data will be retrieved from the Message API. |
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* The return value is the number of recipients who were accepted for delivery. |
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* |
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* @param Swift_Mime_Message $message |
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* @param string[] $failedRecipients An array of failures by-reference |
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* |
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* @return int |
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*/ |
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public function send(Swift_Mime_Message $message, &$failedRecipients = null) |
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{ |
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$this->beforeSendPerformed($message); |
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$response = $this->client->post($this->url, $this->payload($message)); |
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$message->getHeaders()->addTextHeader( |
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'X-PM-Message-Id', |
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$this->getMessageId($response) |
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); |
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$this->sendPerformed($message); |
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return $this->numberOfRecipients($message); |
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} |
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/** |
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* Get all attachments for the given message. |
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* |
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* @param \Swift_Mime_Message $message |
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* |
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* @return array |
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*/ |
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protected function getAttachments(Swift_Mime_Message $message) |
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{ |
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$attachments = []; |
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$children = $message->getChildren(); |
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foreach ($children as $child) { |
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if ($child instanceof Swift_Attachment) { |
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$header = $child->getHeaders()->get('content-type'); |
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$attachments[] = [ |
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'Name' => $header->getParameter('name'), |
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'Content' => base64_encode($child->getBody()), |
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'ContentType' => $child->getContentType(), |
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]; |
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} |
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} |
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return $attachments; |
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} |
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/** |
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* Format the contacts for the API request |
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* |
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* @param array $contacts |
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* |
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* @return string |
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*/ |
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protected function getContacts($contacts) |
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{ |
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return collect($contacts) |
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->map(function ($display, $address) { |
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return $display ? $display . " <{$address}>" : $address; |
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}) |
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->values() |
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->implode(','); |
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} |
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/** |
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* Get the "From" payload field for the API request. |
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* |
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* @param \Swift_Mime_Message $message |
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* |
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* @return string |
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*/ |
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protected function getFrom(Swift_Mime_Message $message) |
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{ |
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return collect($message->getFrom()) |
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->map(function ($display, $address) { |
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return $display ? $display . " <$address>" : $address; |
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}) |
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->values() |
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->implode(','); |
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} |
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/** |
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* Get the message ID from the response. |
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* |
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* @param \GuzzleHttp\Psr7\Response $response |
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* @return string |
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*/ |
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protected function getMessageId($response) |
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{ |
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return object_get( |
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json_decode($response->getBody()->getContents()), |
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'MessageID' |
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); |
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} |
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/** |
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* Get the HTTP payload for sending the Postmark message. |
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* |
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* @param \Swift_Mime_Message $message |
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* |
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* @return array |
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*/ |
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protected function payload(Swift_Mime_Message $message) |
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{ |
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$headers = $message->getHeaders(); |
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$to = $this->getContacts($message->getTo()); |
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$cc = $this->getContacts($message->getCc()); |
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$bcc = $this->getContacts($message->getBcc()); |
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$replyTo = $this->getContacts($message->getReplyTo()); |
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$attachments = $this->getAttachments($message); |
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return [ |
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'headers' => [ |
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'Accept' => 'application/json', |
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'X-Postmark-Server-Token' => $this->key, |
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], |
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'json' => [ |
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'From' => $this->getFrom($message), |
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'To' => $to, |
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'Cc' => $cc, |
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'Bcc' => $bcc, |
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'Tag' => $headers->has('tag') ? $headers->get('tag')->getFieldBody() : '', |
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'Subject' => $message->getSubject(), |
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'HtmlBody' => $message->getBody(), |
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'ReplyTo' => $replyTo, |
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'Attachments' => $attachments, |
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], |
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]; |
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} |
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} |
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coconutcraig /
laravel-postmark
