code: def load_jws_from_request(req):
      
      current_app.logger.info("loading request with headers: %s" % req.headers)
      if (("content-type" in req.headers and
           "application/jose" in req.headers['content-type']) or
          ("Content-Type" in req.headers and
           "application/jose" in req.headers['Content-Type'])):
          path = urlparse.urlsplit(req.url).path
          for rule in current_app.url_map.iter_rules():
              if path == rule.rule and req.method in rule.methods:
                  dedata = req.get_data().decode('utf8')
                  bp = current_app.bitjws.basepath
                  req.jws_header, req.jws_payload = \
                      bitjws.validate_deserialize(dedata, requrl=bp + rule.rule)
                  break
docs: This function performs almost entirely bitjws authentication tasks.
      If valid bitjws message and signature headers are found,
      then the request will be assigned 'jws_header' and 'jws_payload' attributes.
  
      :param req: The flask request to load the jwt claim set from.