220 lines
8.2 KiB
Python
220 lines
8.2 KiB
Python
"""Core views"""
|
|
from logging import getLogger
|
|
from typing import Dict
|
|
|
|
from django.contrib import messages
|
|
from django.contrib.auth import authenticate, login, logout
|
|
from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
|
|
from django.http import HttpRequest, HttpResponse
|
|
from django.shortcuts import redirect, reverse
|
|
from django.utils.translation import ugettext as _
|
|
from django.views import View
|
|
from django.views.generic import FormView
|
|
|
|
from passbook.core.forms.authentication import LoginForm, SignUpForm
|
|
from passbook.core.models import Invite, User
|
|
from passbook.core.signals import invitation_used, user_signed_up
|
|
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 self.request.user.is_authenticated is False
|
|
|
|
def handle_no_permission(self):
|
|
return self.logged_in_redirect()
|
|
|
|
def logged_in_redirect(self):
|
|
"""User failed check so user is authenticated already.
|
|
Either redirect to ?next param or home."""
|
|
if 'next' in self.request.GET:
|
|
return redirect(self.request.GET.get('next'))
|
|
return redirect(reverse('passbook_core:overview'))
|
|
|
|
def get_context_data(self, **kwargs):
|
|
kwargs['config'] = CONFIG.get('passbook')
|
|
kwargs['is_login'] = True
|
|
kwargs['title'] = _('Log in to your account')
|
|
kwargs['primary_action'] = _('Log in')
|
|
kwargs['show_sign_up_notice'] = CONFIG.y('passbook.sign_up.enabled')
|
|
kwargs['show_password_forget_notice'] = CONFIG.y('passbook.password_reset.enabled')
|
|
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 self.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 self.login(self.request, user, form.cleaned_data)
|
|
# User was found but couldn't authenticate
|
|
return self.invalid_login(self.request, disabled_user=pre_user)
|
|
|
|
def login(self, 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)
|
|
return self.logged_in_redirect()
|
|
|
|
def invalid_login(self, request: HttpRequest, disabled_user: User = None) -> HttpResponse:
|
|
"""Handle login for disabled users/invalid login attempts"""
|
|
messages.error(request, _('Failed to authenticate.'))
|
|
return self.render_to_response(self.get_context_data())
|
|
|
|
class LogoutView(LoginRequiredMixin, View):
|
|
"""Log current user out"""
|
|
|
|
def dispatch(self, request):
|
|
"""Log current user out"""
|
|
logout(request)
|
|
messages.success(request, _("You've successfully been logged out."))
|
|
return redirect(reverse('passbook_core:auth-login'))
|
|
|
|
|
|
class SignUpView(UserPassesTestMixin, FormView):
|
|
"""Sign up new user, optionally consume one-use invitation link."""
|
|
|
|
template_name = 'login/form.html'
|
|
form_class = SignUpForm
|
|
success_url = '.'
|
|
# Invite insatnce, if invitation link was used
|
|
_invitation = None
|
|
# Instance of newly created user
|
|
_user = None
|
|
|
|
# Allow only not authenticated users to login
|
|
def test_func(self):
|
|
return self.request.user.is_authenticated is False
|
|
|
|
def handle_no_permission(self):
|
|
return redirect(reverse('passbook_core:overview'))
|
|
|
|
def dispatch(self, request, *args, **kwargs):
|
|
"""Check if sign-up is enabled or invitation link given"""
|
|
allowed = False
|
|
if 'invitation' in request.GET:
|
|
invitations = Invite.objects.filter(uuid=request.GET.get('invitation'))
|
|
allowed = invitations.exists()
|
|
if allowed:
|
|
self._invitation = invitations.first()
|
|
if CONFIG.y('passbook.sign_up.enabled'):
|
|
allowed = True
|
|
if not allowed:
|
|
messages.error(request, _('Sign-ups are currently disabled.'))
|
|
return redirect(reverse('passbook_core:auth-login'))
|
|
return super().dispatch(request, *args, **kwargs)
|
|
|
|
def get_context_data(self, **kwargs):
|
|
kwargs['config'] = CONFIG.get('passbook')
|
|
kwargs['is_login'] = True
|
|
kwargs['title'] = _('Sign Up')
|
|
kwargs['primary_action'] = _('Sign up')
|
|
return super().get_context_data(**kwargs)
|
|
|
|
def form_valid(self, form: SignUpForm) -> HttpResponse:
|
|
"""Create user"""
|
|
self._user = SignUpView.create_user(form.cleaned_data, self.request)
|
|
self.consume_invitation()
|
|
messages.success(self.request, _("Successfully signed up!"))
|
|
LOGGER.debug("Successfully signed up %s",
|
|
form.cleaned_data.get('email'))
|
|
return redirect(reverse('passbook_core:auth-login'))
|
|
|
|
def consume_invitation(self):
|
|
"""Consume invitation if an invitation was used"""
|
|
if self._invitation:
|
|
invitation_used.send(
|
|
sender=self,
|
|
request=self.request,
|
|
invitation=self._invitation,
|
|
user=self._user)
|
|
self._invitation.delete()
|
|
|
|
@staticmethod
|
|
def create_user(data: Dict, request: HttpRequest = None) -> User:
|
|
"""Create user from data
|
|
|
|
Args:
|
|
data: Dictionary as returned by SignupForm's cleaned_data
|
|
request: Optional current request.
|
|
|
|
Returns:
|
|
The user created
|
|
|
|
Raises:
|
|
SignalException: if any signals raise an exception. This also deletes the created user.
|
|
"""
|
|
# Create user
|
|
new_user = User.objects.create_user(
|
|
username=data.get('username'),
|
|
email=data.get('email'),
|
|
first_name=data.get('first_name'),
|
|
last_name=data.get('last_name'),
|
|
)
|
|
new_user.is_active = True
|
|
new_user.set_password(data.get('password'))
|
|
new_user.save()
|
|
# Send signal for other auth sources
|
|
user_signed_up.send(
|
|
sender=SignUpView,
|
|
user=new_user,
|
|
request=request)
|
|
# try:
|
|
# TODO: Create signal for signup
|
|
# on_user_sign_up.send(
|
|
# sender=None,
|
|
# user=new_user,
|
|
# request=request,
|
|
# password=data.get('password'),
|
|
# needs_confirmation=needs_confirmation)
|
|
# TODO: Implement Verification, via email or others
|
|
# if needs_confirmation:
|
|
# Create Account Confirmation UUID
|
|
# AccountConfirmation.objects.create(user=new_user)
|
|
# except SignalException as exception:
|
|
# LOGGER.warning("Failed to sign up user %s", exception, exc_info=exception)
|
|
# new_user.delete()
|
|
# raise
|
|
return new_user
|