private function load()
{
$headers = [];
$fetch_query = new \Horde_Imap_Client_Fetch_Query();
$fetch_query->bodyPart($this->attachmentId);
$fetch_query->mimeHeader($this->attachmentId);
$headers = array_merge($headers, ['importance', 'list-post', 'x-priority']);
$headers[] = 'content-type';
$fetch_query->headers('imp', $headers, ['cache' => true]);
// $list is an array of Horde_Imap_Client_Data_Fetch objects.
$ids = new \Horde_Imap_Client_Ids($this->messageId);
$headers = $this->conn->fetch($this->mailBox, $fetch_query, ['ids' => $ids]);
/** @var $fetch Horde_Imap_Client_Data_Fetch */
if (!isset($headers[$this->messageId])) {
throw new DoesNotExistException('Unable to load the attachment.');
}
$fetch = $headers[$this->messageId];
$mimeHeaders = $fetch->getMimeHeader($this->attachmentId, Horde_Imap_Client_Data_Fetch::HEADER_PARSE);
$this->mimePart = new \Horde_Mime_Part();
// To prevent potential problems with the SOP we serve all files with the
// MIME type "application/octet-stream"
$this->mimePart->setType('application/octet-stream');
// Serve all files with a content-disposition of "attachment" to prevent Cross-Site Scripting
$this->mimePart->setDisposition('attachment');
// Extract headers from part
$contentDisposition = $mimeHeaders->getValue('content-disposition', \Horde_Mime_Headers::VALUE_PARAMS);
if (!is_null($contentDisposition)) {
$vars = ['filename'];
foreach ($contentDisposition as $key => $val) {
if (in_array($key, $vars)) {
$this->mimePart->setDispositionParameter($key, $val);
}
}
} else {
$contentDisposition = $mimeHeaders->getValue('content-type', \Horde_Mime_Headers::VALUE_PARAMS);
$vars = ['name'];
foreach ($contentDisposition as $key => $val) {
if (in_array($key, $vars)) {
$this->mimePart->setContentTypeParameter($key, $val);
}
}
}
/* Content transfer encoding. */
if ($tmp = $mimeHeaders->getValue('content-transfer-encoding')) {
$this->mimePart->setTransferEncoding($tmp);
}
$body = $fetch->getBodyPart($this->attachmentId);
$this->mimePart->setContents($body);
}