88 lines
3.0 KiB
Python
88 lines
3.0 KiB
Python
# combo - content management system
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# Copyright (C) 2015-2018 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import json
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from django.conf import settings
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from django.http import HttpResponse, HttpResponseForbidden, Http404, JsonResponse
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from django.template.loader import get_template, TemplateDoesNotExist
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from django.views.decorators.csrf import csrf_exempt
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from django.views.generic import TemplateView
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from .models import PushSubscription, PwaSettings
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from combo import VERSION
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def manifest_json(request, *args, **kwargs):
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try:
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template = get_template('combo/manifest.json')
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except TemplateDoesNotExist:
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raise Http404()
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context = {
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'site_base': request.build_absolute_uri('/')[:-1],
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}
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return HttpResponse(template.render(context, request), content_type='application/json')
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def js_response(request, template_name, **kwargs):
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template = get_template(template_name)
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context = {
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'pwa_vapid_publik_key': settings.PWA_VAPID_PUBLIK_KEY,
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'pwa_notification_badge_url': settings.PWA_NOTIFICATION_BADGE_URL,
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'pwa_notification_icon_url': settings.PWA_NOTIFICATION_ICON_URL,
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}
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context.update(kwargs)
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return HttpResponse(template.render(context, request),
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content_type='application/javascript; charset=utf-8')
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def service_worker_js(request, *args, **kwargs):
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pwa_settings = PwaSettings.singleton()
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if pwa_settings.id:
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version = '%s-%s' % (VERSION, pwa_settings.last_update_timestamp)
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else:
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version = VERSION
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return js_response(request, 'combo/service-worker.js',
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version=version)
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def service_worker_registration_js(request, *args, **kwargs):
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return js_response(request, 'combo/service-worker-registration.js')
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@csrf_exempt
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def subscribe_push(request, *args, **kwargs):
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if not (request.user and request.user.is_authenticated()):
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return HttpResponseForbidden()
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if request.method != 'POST':
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return HttpResponseForbidden()
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subscription_data = json.loads(request.body)
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if subscription_data is None:
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PushSubscription.objects.filter(user=request.user).delete()
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else:
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subscription, created = PushSubscription.objects.get_or_create(
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user=request.user,
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subscription_info=subscription_data)
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subscription.save()
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return JsonResponse({'err': 0})
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class OfflinePage(TemplateView):
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template_name = 'combo/pwa/offline.html'
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offline_page = OfflinePage.as_view()
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