protected function extractPart(Part $part, $multiType = null)
{
$mimeType = strtok($part->contentType, ';');
$encoding = isset($part->contentTransferEncoding) ? $part->contentTransferEncoding : null;
preg_match('/name="(?<filename>[a-zA-Z0-9.\\-_ ]+)"/is', $part->contentType, $attachmentName);
if (isset($attachmentName['filename'])) {
$this->attachments[] = array('mimetype' => $mimeType, 'filename' => $attachmentName['filename'], 'data' => $this->decodeContent($part->getContent(), $encoding, false));
return;
}
if ($mimeType != 'text/plain' && $mimeType != 'text/html') {
return;
}
if ($multiType != 'multipart/alternative' || null === $this->body) {
$this->body .= $this->decodeContent($part->getContent(), $encoding);
}
}
/**
* Gets the attachment content
*
* @return Content
*/
public function getContent()
{
if ($this->part->getHeaders()->has('Content-Type')) {
/** @var \Zend\Mail\Header\ContentType $contentTypeHeader */
$contentTypeHeader = $this->part->getHeader('Content-Type');
$contentType = $contentTypeHeader->getType();
$charset = $contentTypeHeader->getParameter('charset');
$encoding = $charset !== null ? $charset : 'ASCII';
} else {
$contentType = 'text/plain';
$encoding = 'ASCII';
}
$contentTransferEncoding = 'BINARY';
if ($this->part->getHeaders()->has('Content-Transfer-Encoding')) {
$contentTransferEncoding = $this->part->getHeader('Content-Transfer-Encoding')->getFieldValue();
}
return new Content($this->part->getContent(), $contentType, $contentTransferEncoding, $encoding);
}
protected function processContent(Message &$message, Part $part)
{
$headers = $part->getHeaders();
$contentType = $headers->has('content-type') ? strtolower($part->getHeaderField('content-type')) : NULL;
if ($this->isMultipartType($contentType)) {
$boundary = $part->getHeaderField('content-type', 'boundary');
if ($boundary) {
$subStructs = Decode::splitMessageStruct($part->getContent(), $boundary);
$subPartNum = 1;
foreach ($subStructs as $subStruct) {
$subPart = new Part(['content' => $subStruct['body'], 'headers' => $subStruct['header']]);
// Recursive call
$subPart->partNum = $part->partNum . "." . $subPartNum++;
$this->processContent($message, $subPart);
}
} else {
$wrappedPart = new Part(['raw' => $part->getContent()]);
$wrappedPart->partNum = $part->partNum;
$this->processContent($message, $wrappedPart);
}
} elseif ($this->isTextType($contentType) || !$contentType) {
$this->processTextContent($message, $contentType, self::convertContent($part->getContent(), $part->getHeaders()), $contentType ? $part->getHeaderField('content-type', 'charset') : 'US-ASCII');
} else {
$this->processAttachment($message, $part);
}
}
/**
* @param \Zend\Mail\Storage\Part $part
* @return string
*/
private function getMessageContentDecoded($part)
{
$headers = $part->getHeaders();
$content = $part->getContent();
$decodedContent = $content;
if ($headers->has('Content-Transfer-Encoding')) {
$contentEncoding = $headers->get('contenttransferencoding')->getFieldValue();
switch ($contentEncoding) {
case 'base64':
$decodedContent = base64_decode($content);
break;
case 'quoted-printable':
$decodedContent = quoted_printable_decode($content);
break;
default:
$decodedContent = $content;
}
}
if ($headers->has('Content-Type')) {
/** @var \Zend\Mail\Header\ContentType $contentType */
$contentType = $headers->get('contenttype');
if ($charset = $contentType->getParameter('charset')) {
if ($decodedCharsetContent = iconv($charset, static::DEFAULT_USED_ENCODING, $decodedContent)) {
$decodedContent = $decodedCharsetContent;
}
}
}
return $decodedContent;
}
