ws-js-public/lib/handlers/client/mtom/mime-writer.js

WS-* original repository https://github.com/yaronn/ws.js.git, An update was made where the xmldom dependency was changed to @xmldom/xmldom

var fs = require('fs')
require('bufferjs')

var MimeWriter = {

  build_multipart_body: function(parts, boundary) {
    var body = new Buffer('')
    for (var i in parts) {
      body = Buffer.concat([body, this.build_part(parts[i], boundary)])
      if (i<parts.length-1) body = Buffer.concat([body, new Buffer('\r\n')])
    }
    return Buffer.concat([body, new Buffer('\r\n' + '--' + boundary + '--')])
  },

  build_part: function(part, boundary) {
    var return_part = '--' + boundary + '\r\n'
    return_part += 'Content-ID: <' + part.id + '>\r\n'
    return_part += 'Content-Transfer-Encoding: ' + part.encoding + '\r\n'
    if(part.attachment){
      return_part += 'Content-Disposition: attachment; name="' + part.id + '"\r\n'
    }

    return_part += 'Content-Type: ' + part.contentType + '\r\n\r\n'

    return Buffer.concat([new Buffer(return_part), part.body])
  }
}

exports.build_multipart_body = function(parts, boundary) {
  return MimeWriter.build_multipart_body(parts, boundary)
}