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-rw-r--r--Postman/Postman-Mail/PostmanMailgunMailEngine.php271
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diff --git a/Postman/Postman-Mail/PostmanMailgunMailEngine.php b/Postman/Postman-Mail/PostmanMailgunMailEngine.php
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+++ b/Postman/Postman-Mail/PostmanMailgunMailEngine.php
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+<?php
+if ( ! defined( 'ABSPATH' ) ) {
+ exit; // Exit if accessed directly
+}
+
+require_once 'mailgun/mailgun.php';
+
+use Mailgun\Mailgun;
+use Mailgun\HttpClientConfigurator;
+
+if ( ! class_exists( 'PostmanMailgunMailEngine' ) ) {
+
+ /**
+ * Sends mail with the SendGrid API
+ * https://sendgrid.com/docs/API_Reference/Web_API/mail.html
+ *
+ * @author jasonhendriks
+ */
+ class PostmanMailgunMailEngine implements PostmanMailEngine {
+
+ // logger for all concrete classes - populate with setLogger($logger)
+ protected $logger;
+
+ // the result
+ private $transcript;
+
+ private $api_endpoint;
+ private $apiKey;
+ private $domainName;
+ private $mailgunMessage;
+
+ /**
+ *
+ * @param mixed $senderEmail
+ * @param mixed $accessToken
+ */
+ function __construct( $apiKey, $domainName ) {
+ assert( ! empty( $apiKey ) );
+ $this->apiKey = $apiKey;
+ $this->domainName = $domainName;
+
+ // create the logger
+ $this->logger = new PostmanLogger( get_class( $this ) );
+ $this->mailgunMessage = array(
+ 'from' => '',
+ 'to' => '',
+ 'subject' => '',
+ );
+ }
+
+ /**
+ * (non-PHPdoc)
+ *
+ * @see PostmanSmtpEngine::send()
+ */
+ public function send( PostmanMessage $message ) {
+ $options = PostmanOptions::getInstance();
+ $this->api_endpoint = ! is_null( $options->getMailgunRegion() ) ? 'https://api.eu.mailgun.net' : 'https://api.mailgun.net';
+
+ // add the Postman signature - append it to whatever the user may have set
+ if ( ! $options->isStealthModeEnabled() ) {
+ $pluginData = apply_filters( 'postman_get_plugin_metadata', null );
+ $this->addHeader( 'X-Mailer', sprintf( 'Postman SMTP %s for WordPress (%s)', $pluginData ['version'], 'https://wordpress.org/plugins/post-smtp/' ) );
+ }
+
+ // add the headers - see http://framework.zend.com/manual/1.12/en/zend.mail.additional-headers.html
+ foreach ( ( array ) $message->getHeaders() as $header ) {
+ $this->logger->debug( sprintf( 'Adding user header %s=%s', $header ['name'], $header ['content'] ) );
+ $this->addHeader( $header ['name'], $header ['content'], true );
+ }
+
+ // if the caller set a Content-Type header, use it
+ $contentType = $message->getContentType();
+ if ( ! empty( $contentType ) ) {
+ $this->logger->debug( 'Adding content-type ' . $contentType );
+ $this->addHeader( 'Content-Type', $contentType );
+ }
+
+ // add the From Header
+ $sender = $message->getFromAddress();
+ {
+ $senderEmail = PostmanOptions::getInstance()->getMessageSenderEmail();
+ $senderName = $sender->getName();
+ assert( ! empty( $senderEmail ) );
+
+ $senderText = ! empty( $senderName ) ? $senderName : $senderEmail;
+ $this->mailgunMessage ['from'] = "{$senderText} <{$senderEmail}>";
+ // now log it
+ $sender->log( $this->logger, 'From' );
+ }
+
+ // add the Sender Header, overriding what the user may have set
+ $this->addHeader( 'Sender', $options->getEnvelopeSender() );
+
+ // add the to recipients
+ $recipients = array();
+ foreach ( ( array ) $message->getToRecipients() as $recipient ) {
+ $recipient->log( $this->logger, 'To' );
+ $recipients[] = $recipient->getEmail();
+ }
+ $this->mailgunMessage['to'] = $recipients;
+
+ // add the cc recipients
+ $recipients = array();
+ foreach ( ( array ) $message->getCcRecipients() as $recipient ) {
+ $recipient->log( $this->logger, 'Cc' );
+ $recipients[] = $recipient->getEmail();
+ }
+ $this->mailgunMessage['cc'] = implode( ',', $recipients );
+
+ // add the bcc recipients
+ $recipients = array();
+ foreach ( ( array ) $message->getBccRecipients() as $recipient ) {
+ $recipient->log( $this->logger, 'Bcc' );
+ $recipients[] = $recipient->getEmail();
+ }
+ $this->mailgunMessage['bcc'] = implode( ',', $recipients );
+
+ // add the reply-to
+ $replyTo = $message->getReplyTo();
+ // $replyTo is null or a PostmanEmailAddress object
+ if ( isset( $replyTo ) ) {
+ $this->addHeader( 'reply-to', $replyTo->format() );
+ }
+
+ // add the date
+ $date = $message->getDate();
+ if ( ! empty( $date ) ) {
+ $this->addHeader( 'date', $message->getDate() );
+ }
+
+ // add the messageId
+ $messageId = $message->getMessageId();
+ if ( ! empty( $messageId ) ) {
+ $this->addHeader( 'message-id', $messageId );
+ }
+
+ // add the subject
+ if ( null !== $message->getSubject() ) {
+ $this->mailgunMessage ['subject'] = $message->getSubject();
+ }
+
+ // add the message content
+ {
+ $textPart = $message->getBodyTextPart();
+ if ( ! empty( $textPart ) ) {
+ $this->logger->debug( 'Adding body as text' );
+ $this->mailgunMessage ['text'] = $textPart;
+ }
+ $htmlPart = $message->getBodyHtmlPart();
+ if ( ! empty( $htmlPart ) ) {
+ $this->logger->debug( 'Adding body as html' );
+ $this->mailgunMessage ['html'] = $htmlPart;
+ }
+ }
+
+ // add attachments
+ $this->logger->debug( 'Adding attachments' );
+ $this->addAttachmentsToMail( $message );
+
+ $result = array();
+ try {
+ if ( $this->logger->isDebug() ) {
+ $this->logger->debug( 'Creating Mailgun service with apiKey=' . $this->apiKey );
+ }
+
+ // send the message
+ if ( $this->logger->isDebug() ) {
+ $this->logger->debug( 'Sending mail' );
+ }
+
+ $configurator = new HttpClientConfigurator();
+ $configurator->setEndpoint( $this->api_endpoint . '/v3/'. $this->domainName .'/messages');
+ $configurator->setApiKey($this->apiKey);
+ $mg = Mailgun::configure($configurator);
+
+ // Make the call to the client.
+ $result = $this->processSend( $mg );
+
+ if ( $this->logger->isInfo() ) {
+ $this->logger->info( sprintf( 'Message %d accepted for delivery', PostmanState::getInstance()->getSuccessfulDeliveries() + 1 ) );
+ }
+
+ $this->transcript = print_r( $result, true );
+ $this->transcript .= PostmanModuleTransport::RAW_MESSAGE_FOLLOWS;
+ $this->transcript .= print_r( $this->mailgunMessage, true );
+ } catch ( Exception $e ) {
+ $this->transcript = $e->getMessage();
+ $this->transcript .= PostmanModuleTransport::RAW_MESSAGE_FOLLOWS;
+ $this->transcript .= print_r( $this->mailgunMessage, true );
+ throw $e;
+ }
+ }
+
+
+ private function processSend( $mg ) {
+
+ if ( count( $this->mailgunMessage['to'] ) <= 1 ) {
+
+ return $mg->messages()->send( $this->domainName, array_filter( $this->mailgunMessage ) );
+ } else {
+ $chunks = array_chunk( $this->mailgunMessage['to'], 1000, true );
+
+ $result = array();
+ foreach ( $chunks as $key => $emails ) {
+ $this->mailgunMessage['to'] = $emails;
+ $recipient_variables = $this->getRecipientVariables( $emails );
+ $this->mailgunMessage['recipient-variables'] = $recipient_variables;
+
+ $result[] = $mg->messages()->send( $this->domainName, array_filter( $this->mailgunMessage ) );
+
+ // Don't have a reason just wait a bit before sending the next chunk
+ sleep(2);
+ }
+
+ return $result;
+ }
+ }
+
+ private function getRecipientVariables( $emails ) {
+ $recipient_variables = array();
+ foreach ( $emails as $key => $email ) {
+ $recipient_variables[$email] = array( 'id' => $key );
+ }
+
+ return json_encode( $recipient_variables );
+ }
+
+ private function addHeader( $name, $value, $deprecated = '' ) {
+ if ( $value && ! empty( $value ) ) {
+ $this->mailgunMessage['h:' . $name] = preg_replace('/.*:\s?/', '', $value);
+ }
+ }
+
+ /**
+ * Add attachments to the message
+ *
+ * @param Postman_Zend_Mail $mail
+ */
+ private function addAttachmentsToMail( PostmanMessage $message ) {
+ $attachments = $message->getAttachments();
+ if ( ! is_array( $attachments ) ) {
+ // WordPress may a single filename or a newline-delimited string list of multiple filenames
+ $attArray[] = explode( PHP_EOL, $attachments );
+ } else {
+ $attArray = $attachments;
+ }
+
+ $attachments = array();
+ foreach ( $attArray as $file ) {
+ if ( ! empty( $file ) ) {
+ $this->logger->debug( 'Adding attachment: ' . $file );
+ $attachments[] = array( 'filePath' => $file );
+ }
+ }
+
+ if ( ! empty( $attachments ) ) {
+ if ( $this->logger->isTrace() ) {
+ $this->logger->trace( $attachments );
+ }
+ $this->mailgunMessage['attachment'] = $attachments;
+ }
+ }
+
+ // return the SMTP session transcript
+ public function getTranscript() {
+ return $this->transcript;
+ }
+ }
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-21 02:51:32 +0000