# Requirements update
* updates requirements.txt * drops django-simple-sso from codebase and requirements.txtpull/411/head
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"""
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Author: Michel Peltriaux
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Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
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Contact: michel.peltriaux@sgdnord.rlp.de
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Created on: 17.08.21
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"""
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from django.http import HttpResponse
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from django.urls import re_path
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from django.views import View
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from django.views.decorators.csrf import csrf_exempt
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from itsdangerous import TimedSerializer
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from simple_sso.sso_client.client import Client
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from user.models import User
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class PropagateView(View):
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""" View used to receive propagated sso-server user data
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"""
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client = None
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signer = None
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.signer = TimedSerializer(self.client.private_key)
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@csrf_exempt
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def dispatch(self, request, *args, **kwargs):
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return super().dispatch(request, *args, **kwargs)
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def post(self, request):
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user_data = request.body
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user_data = self.signer.loads(user_data)
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self.client.build_user(user_data)
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return HttpResponse(status=200)
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class KonovaSSOClient(Client):
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""" Konova specialized derivative of general sso.Client.
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Adds some custom behaviour for konova usage.
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"""
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propagate_view = PropagateView
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def get_urls(self):
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urls = super().get_urls()
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urls += re_path(r'^propagate/$', self.propagate_view.as_view(client=self), name='simple-sso-propagate'),
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return urls
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def build_user(self, user_data):
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""" Creates a user or updates user data
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Args:
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user_data ():
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Returns:
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"""
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try:
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user = User.objects.get(username=user_data['username'])
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# Update user data, excluding some changes
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skipable_attrs = {
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"username",
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"is_staff",
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"is_superuser",
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}
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for _attr, _val in user_data.items():
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if _attr in skipable_attrs:
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continue
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setattr(user, _attr, _val)
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except User.DoesNotExist:
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user = User(**user_data)
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user.set_unusable_password()
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user.save()
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return user
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