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48 lines
1.8 KiB
Python
48 lines
1.8 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
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See the file 'doc/COPYING' for copying permission
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"""
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import urllib2
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from lib.core.exception import sqlmapConnectionException
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class SmartRedirectHandler(urllib2.HTTPRedirectHandler):
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# maximum number of redirections to any single URL
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# this is needed because of the state that cookies introduce
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max_repeats = 4
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# maximum total number of redirections (regardless of URL) before
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# assuming we're in a loop
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max_redirections = 10
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def common_http_redirect(self, result, headers, code):
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if "location" in headers:
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result.redurl = headers.getheaders("location")[0].split("?")[0]
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elif "uri" in headers:
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result.redurl = headers.getheaders("uri")[0].split("?")[0]
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result.redcode = code
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return result
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def http_error_301(self, req, fp, code, msg, headers):
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self.infinite_loop_check(req)
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result = urllib2.HTTPRedirectHandler.http_error_301(self, req, fp, code, msg, headers)
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return self.common_http_redirect(result, headers, code)
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def http_error_302(self, req, fp, code, msg, headers):
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self.infinite_loop_check(req)
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result = urllib2.HTTPRedirectHandler.http_error_302(self, req, fp, code, msg, headers)
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return self.common_http_redirect(result, headers, code)
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def infinite_loop_check(self, req):
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if hasattr(req, 'redirect_dict') and (req.redirect_dict.get(req.get_full_url(), 0) >= self.max_repeats or len(req.redirect_dict) >= self.max_redirections):
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errMsg = "infinite redirect loop detected (%s). " % ", ".join(item for item in req.redirect_dict.keys())
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errMsg += "please check all provided parameters and/or provide missing ones."
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raise sqlmapConnectionException, errMsg
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