1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
#!/usr/bin/python
# cas-proxy-validate.py - this file is part of SOGo
#
# Copyright (C) 2010 Inverse inc.
#
# Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
# This script provides a CGI to avoid reentrancy issues when using SOGo in CAS
# mode
# debian dep: python-memcache
import cgi
import memcache
import os
import sys
config = { "cas-addr": "127.0.0.1",
"memcached-addrs": ["127.0.0.1:11211"] }
class CASProxyValidator:
def run(self):
if os.environ.has_key("GATEWAY_INTERFACE"):
self._runAsCGI()
else:
self._runAsCmd()
def _runAsCGI(self):
if self._cgiChecks():
form = cgi.FieldStorage()
if form.has_key("pgtId") and form.has_key("pgtIou"):
pgtIou = form.getfirst("pgtIou")
pgtId = form.getfirst("pgtId")
self._registerPGTIdAndIou(pgtIou, pgtId)
message = "'%s' set to '%s'" \
% ("cas-pgtiou:%s" % pgtIou, pgtId)
self._printCGIError(message, 200)
else:
self._printCGIError("Missing parameter.")
def _cgiChecks(self):
rc = False
if os.environ["REQUEST_METHOD"] == "GET":
if os.environ["REMOTE_ADDR"] == config["cas-addr"]:
rc = True
else:
self._printCGIError("Who are you? (%s)" % os.environ["REMOTE_ADDR"])
else:
self._printCGIError("Only 'GET' is accepted.")
return rc
def _printCGIError(self, message, code = 403):
print("Status: %d\n"
"Content-Type: text/plain; charset=utf-8\n\n%s"
% (code, message))
def _runAsCmd(self):
if len(sys.argv) == 3:
self._registerPGTIdAndIou(sys.argv[1], sys.argv[2])
print "set '%s' to '%s'" \
% ("cas-pgtiou:%s" % sys.argv[1], sys.argv[2])
else:
raise Exception, "Missing or too many parameters."
def _registerPGTIdAndIou(self, pgtIou, pgtId):
mc = memcache.Client(config["memcached-addrs"])
mc.set("cas-pgtiou:%s" % pgtIou, pgtId)
if __name__ == "__main__":
process = CASProxyValidator()
process.run()
|
