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94 lines
3.1 KiB
94 lines
3.1 KiB
11 years ago
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#!/usr/bin/python
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# cas-proxy-validate.py - this file is part of SOGo
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#
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# Copyright (C) 2010 Inverse inc.
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#
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# Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
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#
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# This file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This file is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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# This script provides a CGI to avoid reentrancy issues when using SOGo in CAS
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# mode
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# debian dep: python-memcache
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import cgi
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import memcache
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import os
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import sys
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config = { "cas-addr": "127.0.0.1",
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"memcached-addrs": ["unix:/var/run/sogo/memcached.sock"] }
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class CASProxyValidator:
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def run(self):
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if os.environ.has_key("GATEWAY_INTERFACE"):
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self._runAsCGI()
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else:
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self._runAsCmd()
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def _runAsCGI(self):
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if self._cgiChecks():
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form = cgi.FieldStorage()
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if form.list == []:
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message = "Empty parameters : assuming cert. validation"
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self._printCGIError(message, 200)
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return
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if form.has_key("pgtId") and form.has_key("pgtIou"):
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pgtIou = form.getfirst("pgtIou")
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pgtId = form.getfirst("pgtId")
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self._registerPGTIdAndIou(pgtIou, pgtId)
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message = "'%s' set to '%s'" \
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% ("cas-pgtiou:%s" % pgtIou, pgtId)
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self._printCGIError(message, 200)
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else:
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self._printCGIError("Missing parameter.")
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def _cgiChecks(self):
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rc = False
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if os.environ["REQUEST_METHOD"] == "GET":
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if os.environ["REMOTE_ADDR"] == config["cas-addr"]:
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rc = True
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else:
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self._printCGIError("Who are you? (%s)" % os.environ["REMOTE_ADDR"])
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else:
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self._printCGIError("Only 'GET' is accepted.")
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return rc
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def _printCGIError(self, message, code = 403):
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print("Status: %d\n"
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"Content-Type: text/plain; charset=utf-8\n\n%s"
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% (code, message))
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def _runAsCmd(self):
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if len(sys.argv) == 3:
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self._registerPGTIdAndIou(sys.argv[1], sys.argv[2])
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print "set '%s' to '%s'" \
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% ("cas-pgtiou:%s" % sys.argv[1], sys.argv[2])
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else:
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raise Exception, "Missing or too many parameters."
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def _registerPGTIdAndIou(self, pgtIou, pgtId):
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mc = memcache.Client(config["memcached-addrs"])
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mc.set("cas-pgtiou:%s" % pgtIou, pgtId)
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if __name__ == "__main__":
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process = CASProxyValidator()
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process.run()
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