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Episodes.Community/LandingPage/views.py

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# Episodes.Community - Community-Driven TV Show Episode Link Sharing Site
# Copyright (C) 2017 Evert "Diamond" Prants <evert@lunasqu.ee>, Taizo "Tsa6" Simpson <taizo@tsa6.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from django.shortcuts import render
from django.views import View
from django.views.generic.base import TemplateView
from django.contrib.auth import login as auth_login, authenticate
from django.conf import settings
from django.http import HttpResponse
from django.http import HttpResponseRedirect
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from django.db.models import Max, F
from django.contrib.auth.views import logout
import requests
import hashlib
import json
from .models import User
from .models import Show
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from .models import Submission
from .models import DiscussionBoard
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# Redirect url should point to this view
class LoginRedirect(View):
def get(self, req):
# Check request has correct arguments
request_valid = 'state' in req.GET and 'code' in req.GET
if not request_valid:
r = HttpResponse('<h1>Error</h1><p>There was an error in your request. Please <a href=/login>try again</a></p>')
r.status = 400
return r
# Check state
userstate = generateState(req)
if userstate == req.GET['state']:
code = req.GET['code']
user = authenticate(code=code)
if user is not None and user.is_active:
auth_login(req, user)
return HttpResponseRedirect('/')
return HttpResponse('<h1>Error</h1><br><p>It looks like something went wrong while trying to authenticate you. Please try again later.</p>', status=500)
return HttpResponse('<h1>Unmatching state tokens</h1><br><p>It looks like the request to login wasn\'t started by you. Try going back to the home page and logging in again.</p>', status=400)
class Login(View):
def get(self, req):
url = '%sauthorize?response_type=code&client_id=%s&redirect_uri=%s&scope=email privilege&state=%s'%(settings.AUTH_TOKEN_ENDPOINT,settings.AUTH_CLIENT_ID,settings.AUTH_REDIRECT_URL, generateState(req))
response = HttpResponse("Redirecting you to the IcyNet auth page...")
response.status_code = 302
response['Location'] = url
return response
def LogoutView(request):
logout(request)
return HttpResponseRedirect('/')
def generateState(request):
request.session.save()
m = hashlib.sha256()
m.update(bytearray(request.session.session_key, 'utf-8'))
m.update(bytearray(settings.SECRET_KEY, 'utf-8'))
return m.hexdigest()
class LandingPage(TemplateView):
template_name = "landing_page.html"
def get_context_data(self, **kwargs):
ctx = super().get_context_data()
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ctx['recent'] = Show.objects.annotate(recency=Max('episodes__airdate')).order_by('-recency')[:8]
ctx['stats'] = {
'shows': Show.objects.count(),
'episodes': Submission.objects.count(),
'boards': DiscussionBoard.objects.count()
}
return ctx
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class Shows(TemplateView):
template_name = "shows.html"
def get_context_data(self, **kwargs):
ctx = super().get_context_data()
ctx['shows'] = Show.objects.all()
return ctx