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# -*- encoding: utf-8 -*-
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import subprocess
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import syslog
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import xml.etree.ElementTree
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from django.conf import settings
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from django.contrib import messages
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from authentic2.authsaml2 import signals
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def user_login_cb(sender, request, attributes={}, **kwargs):
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if request and request.user.is_anonymous():
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return
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cpzone = request.META.get('HTTP_X_PFSENSE_CPZONE') or '';
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if 'displayName' in attributes:
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request.session['display_name'] = attributes['displayName'][0]
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nameid = 'nameID:%s' % attributes['__nameid']
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# use eduPersonTargetedID (OID 1.3.6.1.4.1.5923.1.1.1.10), fallback to __nameid/__issuer
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try:
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if 'eduPersonTargetedID' in attributes:
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attrkey = 'eduPersonTargetedID'
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else:
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attrkey = ('urn:oid:1.3.6.1.4.1.5923.1.1.1.10', 'urn:oasis:names:tc:SAML:2.0:attrname-format:uri')
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eduPersonTargetedID_xml = xml.etree.ElementTree.fromstring(attributes[attrkey][0])
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eduPersonTargetedID = 'eduPersonTargetedID:%s' % eduPersonTargetedID_xml.text
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eduPersonTargetedID_NameQualifier = eduPersonTargetedID_xml.attrib['NameQualifier']
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except:
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eduPersonTargetedID = nameid
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eduPersonTargetedID_NameQualifier = attributes['__issuer']
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# log needs eduPersonTargetedID + transientID + idp
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username = eduPersonTargetedID + '|' + eduPersonTargetedID_NameQualifier
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# TODO : blacklist
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ip = request.META['REMOTE_ADDR']
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# univnautes idp returns univnautesPrivileges attribute (a list)
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multiple = 0
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privileges = attributes.get((u'univnautesPrivileges', u'urn:oasis:names:tc:SAML:2.0:attrname-format:basic'), [])
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if 'univnautes-idp-multiple' in privileges:
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multiple = 1
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cmd = [ c % {
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'cpzone': cpzone,
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'ip': ip,
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'username': username,
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'nameid': nameid,
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'multiple': multiple,
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} for c in settings.UNIVNAUTES_CP_ALLOW_CMD ]
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if settings.DEBUG:
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syslog.openlog("sp/auth", syslog.LOG_PID)
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syslog.syslog(syslog.LOG_LOCAL4 | syslog.LOG_DEBUG , 'meta: %r' % request.META)
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syslog.syslog(syslog.LOG_LOCAL4 | syslog.LOG_DEBUG , "cmd: %r" % ' '.join(cmd))
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# open the firewall for this client
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try:
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p = subprocess.Popen(cmd, close_fds=True,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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except OSError, e:
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request.session['pfsenseid'] = 'ERROR'
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messages.error(request, u"Erreur : OSError %s" % e)
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syslog.openlog("sp/auth", syslog.LOG_PID)
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syslog.syslog(syslog.LOG_LOCAL4 | syslog.LOG_INFO , "ERROR: OSError %s" % e)
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return False
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stdout, stderr = p.communicate()
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if p.returncode != 0:
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request.session['pfsenseid'] = 'ERROR'
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messages.error(request, u"Erreur : returncode=%d" % p.returncode)
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syslog.openlog("sp/auth", syslog.LOG_PID)
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syslog.syslog(syslog.LOG_LOCAL4 | syslog.LOG_INFO , "ERROR: returncode=%d" % p.returncode)
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return False
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# cp_allow returns the pfsense CP sessionid on stdout : store it in django session
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request.session['pfsenseid'] = stdout
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request.session['prefered_idp'] = attributes['__issuer']
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return True
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signals.auth_login.connect(user_login_cb, dispatch_uid='authentic2.idp')
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