Start implementation of OAuth client

users/views.py

@@ -1,47 +1,42 @@
 # -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2017-2019 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
+from datetime import datetime
 
-from django.contrib import messages
-from django.contrib.auth.decorators import login_required
+from authlib.integrations.django_client import OAuth
 from django.contrib.auth.models import Group
-from django.db import transaction
-from django.shortcuts import redirect, render
-from django.template.context_processors import csrf
-from django.utils.translation import ugettext_lazy as _
+from django.urls import reverse
+from django.utils import timezone
+from django.views.generic import RedirectView
 from rest_framework import viewsets
-from reversion import revisions as reversion
-from users.forms import BaseInfoForm
-from users.models import User
+from users.models import User, AccessToken
 
 from .serializers import GroupSerializer, UserSerializer
 
 
-def form(ctx, template, request):
-    c = ctx
-    c.update(csrf(request))
-    return render(request, template, c)
+class LoginView(RedirectView):
+    def get_redirect_url(self, *args, **kwargs):
+        oauth = OAuth()
+        oauth.register('notekfet')
+        redirect_url = self.request.build_absolute_uri(reverse('users:auth'))
+        return oauth.notekfet.authorize_redirect(self.request, redirect_url).url
 
 
-@login_required
-def edit_info(request):
-    """
-    Edite son utilisateur
-    """
-    user = BaseInfoForm(request.POST or None, instance=request.user)
-    if user.is_valid():
-        with transaction.atomic(), reversion.create_revision():
-            user.save()
-            reversion.set_user(request.user)
-            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(
-                field for field in user.changed_data))
-        messages.success(request, "L'user a bien été modifié")
-        return redirect("index")
-    return form({
-        'form': user,
-        'password_change': True,
-        'title': _('Edit user profile'),
-    }, 'users/user.html', request)
+class AuthorizeView(RedirectView):
+    def get_redirect_url(self, *args, **kwargs):
+        oauth = OAuth()
+        oauth.register('notekfet')
+        token = oauth.notekfet.authorize_access_token(self.request)
+        token_obj = AccessToken.objects.create(
+            access_token=token['access_token'],
+            expires_in=token['expires_in'],
+            scopes=token['scope'],
+            refresh_token=token['refresh_token'],
+            expires_at=timezone.utc.fromutc(
+                datetime.fromtimestamp(token['expires_at'])),
+        )
+        # TODO Log in or create user
+        return '/'
 
 
 class UserViewSet(viewsets.ModelViewSet):