mime.py 文件源码

def check_name(msg,savname=None,ckname=check_ext,scan_zip=False):
  "Replace attachment with a warning if its name is suspicious."
  try:
    for key,name in msg.getnames(scan_zip):
      badname = ckname(name)
      if badname:
        if key == 'zipname':
          badname = msg.get_filename()
        break
    else:
      return Milter.CONTINUE
  except zipfile.BadZipfile:
    # a ZIP that is not a zip is very suspicious
    badname = msg.get_filename()
  hostname = socket.gethostname()
  msg.set_payload(virus_msg % (badname,hostname,savname))
  del msg["content-type"]
  del msg["content-disposition"]
  del msg["content-transfer-encoding"]
  name = "WARNING.TXT"
  msg["Content-Type"] = "text/plain; name="+name
  return Milter.CONTINUE