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53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2012 sqlmap developers (http://www.sqlmap.org/)
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See the file 'doc/COPYING' for copying permission
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"""
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import urllib
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import urllib2
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from lib.core.exception import sqlmapConnectionException
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class HTTPRangeHandler(urllib2.BaseHandler):
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"""
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Handler that enables HTTP Range headers.
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Reference: http://stackoverflow.com/questions/1971240/python-seek-on-remote-file
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This was extremely simple. The Range header is a HTTP feature to
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begin with so all this class does is tell urllib2 that the
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"206 Partial Content" reponse from the HTTP server is what we
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expected.
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Example:
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import urllib2
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import byterange
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range_handler = range.HTTPRangeHandler()
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opener = urllib2.build_opener(range_handler)
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# install it
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urllib2.install_opener(opener)
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# create Request and set Range header
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req = urllib2.Request('http://www.python.org/')
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req.header['Range'] = 'bytes=30-50'
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f = urllib2.urlopen(req)
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"""
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def http_error_206(self, req, fp, code, msg, hdrs):
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# 206 Partial Content Response
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r = urllib.addinfourl(fp, hdrs, req.get_full_url())
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r.code = code
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r.msg = msg
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return r
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def http_error_416(self, req, fp, code, msg, hdrs):
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# HTTP's Range Not Satisfiable error
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errMsg = "Invalid range"
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raise sqlmapConnectionException, errMsg
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