103 lines
3.7 KiB
Python
103 lines
3.7 KiB
Python
"""Core views"""
|
|
from logging import getLogger
|
|
from typing import Dict
|
|
|
|
from django.contrib import messages
|
|
from django.contrib.auth import authenticate, login
|
|
from django.contrib.auth.mixins import UserPassesTestMixin
|
|
from django.http import HttpRequest, HttpResponse
|
|
from django.shortcuts import redirect, reverse
|
|
from django.utils.translation import ugettext as _
|
|
from django.views.generic import FormView
|
|
|
|
from passbook.core.forms.authentication import LoginForm
|
|
from passbook.core.models import User
|
|
from passbook.lib.config import CONFIG
|
|
|
|
LOGGER = getLogger(__name__)
|
|
|
|
class LoginView(UserPassesTestMixin, FormView):
|
|
"""Allow users to sign in"""
|
|
|
|
template_name = 'login/form.html'
|
|
form_class = LoginForm
|
|
success_url = '.'
|
|
|
|
# Allow only not authenticated users to login
|
|
def test_func(self):
|
|
return not self.request.user.is_authenticated
|
|
|
|
def get_context_data(self, **kwargs):
|
|
kwargs['config'] = CONFIG.get('passbook')
|
|
kwargs['is_login'] = True
|
|
return super().get_context_data(**kwargs)
|
|
|
|
def get_user(self, uid_value) -> User:
|
|
"""Find user instance. Returns None if no user was found."""
|
|
for search_field in CONFIG.y('passbook.uid_fields'):
|
|
users = User.objects.filter(**{search_field: uid_value})
|
|
if users.exists():
|
|
return users.first()
|
|
return None
|
|
|
|
def form_valid(self, form: LoginForm) -> HttpResponse:
|
|
"""Form data is valid"""
|
|
pre_user = self.get_user(form.cleaned_data.get('uid_field'))
|
|
if not pre_user:
|
|
# No user found
|
|
return LoginView.invalid_login(self.request)
|
|
user = authenticate(
|
|
email=pre_user.email,
|
|
username=pre_user.username,
|
|
password=form.cleaned_data.get('password'),
|
|
request=self.request)
|
|
if user:
|
|
# User authenticated successfully
|
|
return LoginView.login(self.request, user, form.cleaned_data)
|
|
# User was found but couldn't authenticate
|
|
return LoginView.invalid_login(self.request, disabled_user=pre_user)
|
|
|
|
@staticmethod
|
|
def login(request: HttpRequest, user: User, cleaned_data: Dict) -> HttpResponse:
|
|
"""Handle actual login
|
|
|
|
Actually logs user in, sets session expiry and redirects to ?next parameter
|
|
|
|
Args:
|
|
request: The current request
|
|
user: The user to be logged in.
|
|
|
|
Returns:
|
|
Either redirect to ?next or if not present to overview
|
|
"""
|
|
if user is None:
|
|
raise ValueError("User cannot be None")
|
|
login(request, user)
|
|
|
|
if cleaned_data.get('remember') is True:
|
|
request.session.set_expiry(CONFIG.y('passbook.session.remember_age'))
|
|
else:
|
|
request.session.set_expiry(0) # Expires when browser is closed
|
|
messages.success(request, _("Successfully logged in!"))
|
|
LOGGER.debug("Successfully logged in %s", user.username)
|
|
# Check if there is a next GET parameter and redirect to that
|
|
if 'next' in request.GET:
|
|
return redirect(request.GET.get('next'))
|
|
# Otherwise just index
|
|
return redirect(reverse('passbook_core:overview'))
|
|
|
|
@staticmethod
|
|
def invalid_login(request: HttpRequest, disabled_user: User = None) -> HttpResponse:
|
|
"""Handle login for disabled users/invalid login attempts"""
|
|
# if disabled_user:
|
|
# context = {
|
|
# 'reason': 'disabled',
|
|
# 'user': disabled_user
|
|
# }
|
|
# else:
|
|
# context = {
|
|
# 'reason': 'invalid',
|
|
# }
|
|
raise NotImplementedError()
|
|
# return render(request, 'login/invalid.html', context)
|