/**
* Set the file that this attachment is for.
*
* @param Swift_FileStream $file
* @param string $contentType optional
*
* @return Swift_Mime_Attachment
*/
public function setFile(Swift_FileStream $file, $contentType = null)
{
$this->setFilename(basename($file->getPath()));
$this->setBody($file, $contentType);
if (!isset($contentType)) {
$extension = strtolower(substr($file->getPath(), strrpos($file->getPath(), '.') + 1));
if (array_key_exists($extension, $this->_mimeTypes)) {
$this->setContentType($this->_mimeTypes[$extension]);
}
}
return $this;
}
/**
* @param Swift_FileStream $outputStream
* @param Swift_InputByteStream $is
*
* @throws Swift_IoException
*/
protected function messageStreamToEncryptedByteStream(Swift_FileStream $outputStream, Swift_InputByteStream $is)
{
$encryptedMessageStream = new Swift_ByteStream_TemporaryFileByteStream();
if (!openssl_pkcs7_encrypt($outputStream->getPath(), $encryptedMessageStream->getPath(), $this->encryptCert, array(), 0, $this->encryptCipher)) {
throw new Swift_IoException(sprintf('Failed to encrypt S/Mime message. Error: "%s".', openssl_error_string()));
}
$this->copyFromOpenSSLOutput($encryptedMessageStream, $is);
}