<?php
/*
* This file is part of SwiftMailer.
* (c) 2004-2009 Chris Corbyn
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Header Signer Interface used to apply Header-Based Signature to a message.
*
* @author Xavier De Cock <xdecock@gmail.com>
*/
interface Swift_Signers_HeaderSigner extends Swift_Signer, Swift_InputByteStream
{
/**
* Exclude an header from the signed headers.
*
* @param string $header_name
*
* @return self
*/
public function ignoreHeader($header_name);
/**
* Prepare the Signer to get a new Body.
*
* @return self
*/
public function startBody();
/**
* Give the signal that the body has finished streaming.
*
* @return self
*/
public function endBody();
/**
* Give the headers already given.
*
* @return self
*/
public function setHeaders(Swift_Mime_SimpleHeaderSet $headers);
/**
* Add the header(s) to the headerSet.
*
* @return self
*/
public function addSignature(Swift_Mime_SimpleHeaderSet $headers);
/**
* Return the list of header a signer might tamper.
*
* @return array
*/
public function getAlteredHeaders();
}