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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
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@ -14,5 +14,6 @@ urlpatterns = patterns('',
url('^proxy$', views.proxy, name='proxy'),
url('^p3/serviceValidate$', views.p3_serviceValidate, name='p3_serviceValidate'),
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.conf import settings
from django.contrib import messages
from django.views.decorators.csrf import csrf_exempt
from django.utils.translation import ugettext as _
import requests
from datetime import datetime, timedelta
from lxml import etree
import utils
import forms
@ -218,3 +220,35 @@ def p3_serviceValidate(request):
def p3_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")