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2010/1/16 Détour Olivier <chino540...@gmail.com>:
> Hi,
> I would create my own auth backend. I tried to understand and trace
> source code.
> I want to create an internal DB with SHA1 and username.
> But I cannot login, Django says me I do not set DB ENGINE. I would not
> use something like MySQL or any DB Engine.
>
> Here is my source code:
> mybackend.py:
>
>
> from django.contrib.auth.models import User
> from django.contrib.auth.backends import RemoteUserBackend
>
>
> class MyUser (User):
> def save (self):
> """saving to DB disabled"""
> pass
>
> objects = None # we cannot really use this w/o local DB
> username = "" # and all the other properties likewise.
> # They're defined as model.CharField or similar,
> # and we can't allow that
>
> def get_group_permissions (self):
> """If you don't make your own permissions module,
> the default also will use the DB. Throw it away"""
> return [] # likewise with the other permission defs
>
> def get_and_delete_messages (self):
> """Messages are stored in the DB. Darn!"""
> return []
>
> class WWWBackend (RemoteUserBackend):
> # Create a User object if not already in the database?
> create_unknown_user = False
>
> def get_user (self, user_id):
> user = somehow_create_an_instance_of(MyUser, user_id)
> return user
>
> def authenticate (self, username=None, password=None):
> if username == "lol" and password == "lol":
> user = MyUser(username=username, password=password)
> return user
> return None
>
> my view.py:
>
> from django import forms
> from django.core.context_processors import csrf
> from django.template import RequestContext, loader
> from django.http import HttpResponse, HttpResponseRedirect
> from django.contrib.auth import authenticate, login
>
> #! Form Upload Object
> class LoginForm (forms.Form):
> user = forms.CharField(widget = forms.TextInput)
> password = forms.CharField(widget = forms.PasswordInput)
>
> def index(request):
> if request.method == 'POST':
> form = LoginForm(request.POST)
> if form.is_valid():
> # FIXME: Check if file is good.
> #handle_uploaded_torrent(request.FILES['file'])
> username = request.POST['user']
> password = request.POST['password']
> user = authenticate(username=username, password=password)
> if user is not None:
> login(request, user)
>
> return HttpResponseRedirect('/')
> else:
> form = LoginForm()
>
> t = loader.get_template('template/index.html')
> c = RequestContext(request, {
> 'login_form': form,
> })
> return HttpResponse(t.render(c))
>
>
> Thanks for reponses,
> Regards,
--
Olivier Détour
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