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63 lines
2.5 KiB
Python
63 lines
2.5 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
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Copyright (c) 2007-2010 Bernardo Damele A. G. <bernardo.damele@gmail.com>
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Copyright (c) 2006 Daniele Bellucci <daniele.bellucci@gmail.com>
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sqlmap is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation version 2 of the License.
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sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with sqlmap; if not, write to the Free Software Foundation, Inc., 51
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Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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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