#!/usr/bin/env python

"""
Copyright (c) 2006-2022 sqlmap developers (https://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""

from lib.core.exception import SqlmapConnectionException
from thirdparty.six.moves import urllib as _urllib

class HTTPRangeHandler(_urllib.request.BaseHandler):
 """
 Handler that enables HTTP Range headers.

 Reference: http://stackoverflow.com/questions/1971240/python-seek-on-remote-file
 """

 def http_error_206(self, req, fp, code, msg, hdrs):
 # 206 Partial Content Response
 r = _urllib.response.addinfourl(fp, hdrs, req.get_full_url())
 r.code = code
 r.msg = msg
 return r

 def http_error_416(self, req, fp, code, msg, hdrs):
 # HTTP's Range Not Satisfiable error
 errMsg = "there was a problem while connecting "
 errMsg += "target ('406 - Range Not Satisfiable')"
 raise SqlmapConnectionException(errMsg)