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我们的 rails 应用程序需要接收和解析带有 MTOM/XOP 附件 ( http://www.w3.org/TR/xop10/ ) 的 SOAP 请求。是否有已知的轨道解决方案？

这是一个请求示例（取自上面的链接）：

MIME-Version: 1.0
Content-Type: Multipart/Related;boundary=MIME_boundary;
    type="application/xop+xml";
    start="<mymessage.xml@example.org>";
    startinfo="application/soap+xml; action=\"ProcessData\""
Content-Description: A SOAP message with my pic and sig in it

--MIME_boundary
Content-Type: application/xop+xml; 
    charset=UTF-8; 
    type="application/soap+xml; action=\"ProcessData\""
Content-Transfer-Encoding: 8bit
Content-ID: <mymessage.xml@example.org>

<soap:Envelope
    xmlns:soap='http://www.w3.org/2003/05/soap-envelope'
    xmlns:xmlmime='http://www.w3.org/2004/11/xmlmime'>
  <soap:Body>
    <m:data xmlns:m='http://example.org/stuff'>
      <m:photo 
  xmlmime:contentType='image/png'><xop:Include 
    xmlns:xop='http://www.w3.org/2004/08/xop/include' 
    href='cid:http://example.org/me.png'/></m:photo>
      <m:sig 
  xmlmime:contentType='application/pkcs7-signature'><xop:Include 
    xmlns:xop='http://www.w3.org/2004/08/xop/include' 
    href='cid:http://example.org/my.hsh'/></m:sig>
    </m:data>
  </soap:Body>
</soap:Envelope>

--MIME_boundary
Content-Type: image/png
Content-Transfer-Encoding: binary
Content-ID: <http://example.org/me.png>

// binary octets for png

--MIME_boundary
Content-Type: application/pkcs7-signature
Content-Transfer-Encoding: binary
Content-ID: <http://example.org/my.hsh>

// binary octets for signature

--MIME_boundary--

Rails 成功解析了简单的多部分请求，但看起来它完全不知道如何处理 MTOM 附件，我们即将编写自己的解析器。谢谢！

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