/**
* Prepare header string from message
*
* @param Message $message
* @return string
*/
protected function prepareHeaders(Zend\Mail\Message $message)
{
$originalSubject = '';
$headers = $message->getHeaders();
if ($headers->has('Subject')) {
$subjectHeader = $headers->get('Subject');
$originalSubject = $subjectHeader->getFieldValue();
}
$body = $message->getBody();
if ($body instanceof Zend\Mime\Message) {
$parts = $body->getParts();
foreach ($parts as $part) {
/* @var $part Zend\Mime\Part */
if ($part->getType() == Zend\Mime\Mime::TYPE_HTML) {
$part->setContent("******** PGP/MIME-ENCRYPTED MESSAGE ********<br>\n" . "Subject: " . $originalSubject . "<br><br>\n" . $part->getContent());
}
if ($part->getType() == Zend\Mime\Mime::TYPE_TEXT) {
$part->setContent("******** PGP/MIME-ENCRYPTED MESSAGE ********\n" . "Subject: " . $originalSubject . "\n\n" . $part->getContent());
}
}
} else {
$message->setBody("******** PGP/MIME-ENCRYPTED MESSAGE ********\n" . "Subject: " . $originalSubject . "\n\n" . $body);
}
$originalHeaders = parent::prepareHeaders($message);
$originalBody = parent::prepareBody($message);
$recipients = array();
foreach ($message->getTo() as $destination) {
$recipients[] = $destination->getEmail();
}
foreach ($message->getCc() as $destination) {
$recipients[] = $destination->getEmail();
}
foreach ($message->getBcc() as $destination) {
$recipients[] = $destination->getEmail();
}
global $openpgplib;
$pgpmime_msg = $openpgplib->prepareEncryptWithZendMail($originalHeaders, $originalBody, $recipients);
$headers = $pgpmime_msg[0];
// set pgp/mime headers from result array
$this->OpenGPGStoreMailBody = $pgpmime_msg[1];
// set pgp/mime encrypted message body from result array
return $headers;
}