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django-cas-server
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Add samlValidate

This commit is contained in:
Valentin Samir 2015-05-22 19:31:50 +02:00
parent 700e24e4fd
commit f71bd22954
4 changed files with 102 additions and 0 deletions
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52
cas_server/templates/cas_server/samlValidate.xml Normal file
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@ -0,0 +1,52 @@
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP-ENV:Header />
<SOAP-ENV:Body>
<Response xmlns="urn:oasis:names:tc:SAML:1.0:protocol" xmlns:saml="urn:oasis:names:tc:SAML:1.0:assertion"
xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" IssueInstant="{{IssueInstant}}"
MajorVersion="1" MinorVersion="1" Recipient="{{Recipient}}"
ResponseID="{{ResponseID}}">
<Status>
<StatusCode Value="samlp:Success">
</StatusCode>
</Status>
<Assertion xmlns="urn:oasis:names:tc:SAML:1.0:assertion" AssertionID="{{ResponseID}}"
IssueInstant="{{IssueInstant}}" Issuer="localhost" MajorVersion="1"
MinorVersion="1">
<Conditions NotBefore="{{IssueInstant}}" NotOnOrAfter="{{expireInstant}}">
<AudienceRestrictionCondition>
<Audience>
https://some-service.example.com/app/
</Audience>
</AudienceRestrictionCondition>
</Conditions>
<AttributeStatement>
<Subject>
<NameIdentifier>{{username}}</NameIdentifier>
<SubjectConfirmation>
<ConfirmationMethod>
urn:oasis:names:tc:SAML:1.0:cm:artifact
</ConfirmationMethod>
</SubjectConfirmation>
</Subject>
{% for name, value in attributes %}
<Attribute AttributeName="name" AttributeNamespace="http://www.ja-sig.org/products/cas/">
<AttributeValue>value</AttributeValue>
</Attribute>
{% endfor %}
</AttributeStatement>
<AuthenticationStatement AuthenticationInstant="{{IssueInstant}}"
AuthenticationMethod="urn:oasis:names:tc:SAML:1.0:am:password">
<Subject>
<NameIdentifier>{{username}}</NameIdentifier>
<SubjectConfirmation>
<ConfirmationMethod>
urn:oasis:names:tc:SAML:1.0:cm:artifact
</ConfirmationMethod>
</SubjectConfirmation>
</Subject>
</AuthenticationStatement>
</Assertion>
</Response>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>

15
cas_server/templates/cas_server/samlValidateError.xml Normal file
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@ -0,0 +1,15 @@
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP-ENV:Header />
<SOAP-ENV:Body>
<Response xmlns="urn:oasis:names:tc:SAML:1.0:protocol" xmlns:saml="urn:oasis:names:tc:SAML:1.0:assertion"
xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" IssueInstant="{{IssueInstant}}"
MajorVersion="1" MinorVersion="1" Recipient="{{Recipient}}"
ResponseID="{{ResponseID}}">
<Status>
<StatusCode Value="samlp:{{code}}">
</StatusCode>
</Status>
</Response>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>

1
cas_server/urls.py
View File

@ -14,5 +14,6 @@ urlpatterns = patterns('',
url('^proxy$', views.proxy, name='proxy'), url('^proxy$', views.proxy, name='proxy'),
url('^p3/serviceValidate$', views.p3_serviceValidate, name='p3_serviceValidate'), url('^p3/serviceValidate$', views.p3_serviceValidate, name='p3_serviceValidate'),
url('^p3/proxyValidate$', views.p3_proxyValidate, name='p3_proxyValidate'), url('^p3/proxyValidate$', views.p3_proxyValidate, name='p3_proxyValidate'),
url('^samlValidate$', views.samlValidate, name='samlValidate'),
) )

34
cas_server/views.py
View File

@ -5,10 +5,12 @@ from django.shortcuts import render, redirect
from django.http import HttpResponse, StreamingHttpResponse from django.http import HttpResponse, StreamingHttpResponse
from django.conf import settings from django.conf import settings
from django.contrib import messages from django.contrib import messages
from django.views.decorators.csrf import csrf_exempt
from django.utils.translation import ugettext as _ from django.utils.translation import ugettext as _
import requests import requests
from datetime import datetime, timedelta from datetime import datetime, timedelta
from lxml import etree
import utils import utils
import forms import forms
@ -218,3 +220,35 @@ def p3_serviceValidate(request):
def p3_proxyValidate(request): def p3_proxyValidate(request):
return proxyValidate(request) return proxyValidate(request)
@csrf_exempt
def samlValidate(request):
if request.method == 'POST':
target = request.GET.get('TARGET')
root = etree.fromstring(request.body)
try:
auth_req = root.getchildren()[1].getchildren()[0]
IssueInstant = auth_req.attrib['IssueInstant']
RequestID = auth_req.attrib['RequestID']
ticket = auth_req.getchildren()[0].text
ticket = models.ServiceTicket.objects.get(value=ticket, service=target, validate=False, creation__gt=(datetime.now() - timedelta(seconds=settings.CAS_TICKET_VALIDITY)))
ticket.validate = True
ticket.save()
expireInstant = (ticket.creation + timedelta(seconds=settings.CAS_TICKET_VALIDITY)).isoformat()
attributes = []
for key, value in ticket.attributs.items():
if isinstance(value, list):
for v in value:
attributes.append((key, v))
else:
attributes.append((key, value))
params = {'IssueInstant':IssueInstant, 'expireInstant':expireInstant,'Recipient':target, 'ResponseID':RequestID, 'username':ticket.user.username, 'attributes':attributes}
if ticket.service_pattern.user_field and ticket.user.attributs.get(ticket.service_pattern.user_field):
params['username'] = ticket.user.attributs.get(ticket.service_pattern.user_field)
return render(request, "cas_server/samlValidate.xml", params, content_type="text/xml; charset=utf-8")
except IndexError:
return render(request, "cas_server/samlValidateError.xml", {'code':'VersionMismatch'}, content_type="text/xml; charset=utf-8")
except KeyError:
return render(request, "cas_server/samlValidateError.xml", {'code':'VersionMismatch'}, content_type="text/xml; charset=utf-8")
except models.ServiceTicket.DoesNotExist:
return render(request, "cas_server/samlValidateError.xml", {'code':'AuthnFailed'}, content_type="text/xml; charset=utf-8")