troggle-unchained/core/views/auth.py

92 lines
3.0 KiB
Python

from builtins import str
from django.conf import settings
from django.contrib.auth import authenticate
from django.contrib.auth import forms as auth_forms
from django.contrib.auth import login, logout
from django.contrib.auth.decorators import login_required
from django.shortcuts import redirect, render
from django.utils.http import is_safe_url
"""This enforces the login requirement for non-public pages using
the decorator mechanism.
https://www.fullstackpython.com/django-contrib-auth-decorators-login-required-examples.html
"""
class login_required_if_public(object):
def __init__(self, f):
if settings.PUBLIC_SITE:
self.f = login_required(f)
else:
self.f = f
def __call__(self, *args, **kwargs):
return self.f(*args, **kwargs)
# This is copied from CUYC.cuy.website.view.auth
# If we want to do the whole online-email thing, we would also need to copy across the code in these
# imported files and delete what is superfluous.
# Or we could just load the latest version of django-registration app.
#from cuy.club.models import Member, Message
#from ..forms import WebsiteLoginForm, WebsiteRegisterForm
#from ...common import mail_site_error
#from .generic import user_is_active
'''The login and logout functions.
This is also where we would manage registration: for people wanting to create and validate their individual
logon accounts/forgottenpassword'''
############################
# Authentication Functions #
############################
def expologout(request):
login_form = auth_forms.AuthenticationForm()
logout(request)
return render(request, 'login/logout.html', {'form':login_form})
def expologin(request):
# GET
if not request.method == 'POST':
if (not request.user.is_authenticated) or (not request.user.is_active):
return render(request, 'login/index.html', {})
else:
# going to login page when you are already logged in
return render(request, 'tasks.html', {})
# POST
username = request.POST['username']
password = request.POST['password']
user = authenticate(username=username, password=password)
if user is None:
return render(request, 'login/index.html',
{'invalid': True, 'username':username})
if not user.is_active:
return render(request, 'login/enable.html',
{'login_state':'notenabled'})
try:
login(request, user)
# Should do the ?next= stuff here..
return redirect_after_login(request)
except:
return render(request, 'errors/generic.html', {})
def redirect_after_login(request):
nxt = request.GET.get("next", None)
if nxt is None:
return redirect(settings.LOGIN_REDIRECT_URL)
elif not is_safe_url(
url=nxt,
allowed_hosts={request.get_host()},
require_https=request.is_secure()):
return redirect(settings.LOGIN_REDIRECT_URL)
else:
return redirect(nxt)