Adding a folder

1 files changed, 271 insertions, 0 deletions

diff --git a/Postman/Postman-Mail/PostmanMailgunMailEngine.php b/Postman/Postman-Mail/PostmanMailgunMailEngine.php
new file mode 100644
index 0000000..ce1ebb7
--- /dev/null
+++ b/Postman/Postman-Mail/PostmanMailgunMailEngine.php
@@ -0,0 +1,271 @@
+<?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;
+		}
+	}
+}
+