django-helpdesk/helpdesk/views/public.py
2018-12-27 16:39:31 +01:00

196 lines
7.5 KiB
Python

"""
django-helpdesk - A Django powered ticket tracker for small enterprise.
(c) Copyright 2008 Jutda. All Rights Reserved. See LICENSE for details.
views/public.py - All public facing views, eg non-staff (no authentication
required) views.
"""
from django.core.exceptions import ObjectDoesNotExist, PermissionDenied
try:
# Django 2.0+
from django.urls import reverse
except ImportError:
# Django < 2
from django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect, HttpResponse
from django.shortcuts import render
from django.utils.http import urlquote
from django.utils.translation import ugettext as _
from django.conf import settings
from django.views.generic.base import TemplateView
from django.views.generic.edit import FormView
from helpdesk import settings as helpdesk_settings
from helpdesk.decorators import protect_view, is_helpdesk_staff
import helpdesk.views.staff as staff
from helpdesk.forms import PublicTicketForm
from helpdesk.lib import text_is_spam
from helpdesk.models import Ticket, Queue, UserSettings, KBCategory
def create_ticket(request, *args, **kwargs):
if is_helpdesk_staff(request.user):
return staff.CreateTicketView.as_view()(request, *args, **kwargs)
else:
return CreateTicketView.as_view()(request, *args, **kwargs)
class CreateTicketView(FormView):
template_name = 'helpdesk/public_create_ticket.html'
form_class = PublicTicketForm
def dispatch(self, *args, **kwargs):
request = self.request
if not request.user.is_authenticated and helpdesk_settings.HELPDESK_REDIRECT_TO_LOGIN_BY_DEFAULT:
return HttpResponseRedirect(reverse('login'))
if is_helpdesk_staff(request.user) or \
(request.user.is_authenticated and
helpdesk_settings.HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE):
try:
if request.user.usersettings_helpdesk.login_view_ticketlist:
return HttpResponseRedirect(reverse('helpdesk:list'))
else:
return HttpResponseRedirect(reverse('helpdesk:dashboard'))
except UserSettings.DoesNotExist:
return HttpResponseRedirect(reverse('helpdesk:dashboard'))
return super().dispatch(*args, **kwargs)
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['kb_categories'] = KBCategory.objects.all()
return context
def get_initial(self):
request = self.request
initial_data = {}
try:
queue = Queue.objects.get(slug=request.GET.get('queue', None))
except Queue.DoesNotExist:
queue = None
# add pre-defined data for public ticket
if hasattr(settings, 'HELPDESK_PUBLIC_TICKET_QUEUE'):
# get the requested queue; return an error if queue not found
try:
queue = Queue.objects.get(slug=settings.HELPDESK_PUBLIC_TICKET_QUEUE)
except Queue.DoesNotExist:
return HttpResponse(status=500)
if hasattr(settings, 'HELPDESK_PUBLIC_TICKET_PRIORITY'):
initial_data['priority'] = settings.HELPDESK_PUBLIC_TICKET_PRIORITY
if hasattr(settings, 'HELPDESK_PUBLIC_TICKET_DUE_DATE'):
initial_data['due_date'] = settings.HELPDESK_PUBLIC_TICKET_DUE_DATE
if queue:
initial_data['queue'] = queue.id
if request.user.is_authenticated and request.user.email:
initial_data['submitter_email'] = request.user.email
query_param_fields = ['submitter_email', 'title', 'body']
for qpf in query_param_fields:
initial_data[qpf] = request.GET.get(qpf, initial_data.get(qpf, ""))
return initial_data
def form_valid(self, form):
request = self.request
if text_is_spam(form.cleaned_data['body'], request):
# This submission is spam. Let's not save it.
return render(request, template_name='helpdesk/public_spam.html')
else:
ticket = form.save()
try:
return HttpResponseRedirect('%s?ticket=%s&email=%s&key=%s' % (
reverse('helpdesk:public_view'),
ticket.ticket_for_url,
urlquote(ticket.submitter_email),
ticket.secret_key)
)
except ValueError:
# if someone enters a non-int string for the ticket
return HttpResponseRedirect(reverse('helpdesk:home'))
def get_success_url(self):
request = self.request
class Homepage(CreateTicketView):
template_name = 'helpdesk/public_homepage.html'
def search_for_ticket(request, error_message=None):
if hasattr(settings, 'HELPDESK_VIEW_A_TICKET_PUBLIC') and settings.HELPDESK_VIEW_A_TICKET_PUBLIC:
email = request.GET.get('email', None)
return render(request, 'helpdesk/public_view_form.html', {
'ticket': False,
'email': email,
'error_message': error_message,
'helpdesk_settings': helpdesk_settings,
})
else:
raise PermissionDenied("Public viewing of tickets without a secret key is forbidden.")
@protect_view
def view_ticket(request):
ticket_req = request.GET.get('ticket', None)
email = request.GET.get('email', None)
key = request.GET.get('key', '')
if not (ticket_req and email):
if ticket_req is None and email is None:
return search_for_ticket(request)
else:
return search_for_ticket(request, _('Missing ticket ID or e-mail address. Please try again.'))
queue, ticket_id = Ticket.queue_and_id_from_query(ticket_req)
try:
if hasattr(settings, 'HELPDESK_VIEW_A_TICKET_PUBLIC') and settings.HELPDESK_VIEW_A_TICKET_PUBLIC:
ticket = Ticket.objects.get(id=ticket_id, submitter_email__iexact=email)
else:
ticket = Ticket.objects.get(id=ticket_id, submitter_email__iexact=email, secret_key__iexact=key)
except (ObjectDoesNotExist, ValueError):
return search_for_ticket(request, _('Invalid ticket ID or e-mail address. Please try again.'))
if is_helpdesk_staff(request.user):
redirect_url = reverse('helpdesk:view', args=[ticket_id])
if 'close' in request.GET:
redirect_url += '?close'
return HttpResponseRedirect(redirect_url)
if 'close' in request.GET and ticket.status == Ticket.RESOLVED_STATUS:
from helpdesk.views.staff import update_ticket
# Trick the update_ticket() view into thinking it's being called with
# a valid POST.
request.POST = {
'new_status': Ticket.CLOSED_STATUS,
'public': 1,
'title': ticket.title,
'comment': _('Submitter accepted resolution and closed ticket'),
}
if ticket.assigned_to:
request.POST['owner'] = ticket.assigned_to.id
request.GET = {}
return update_ticket(request, ticket_id, public=True)
# redirect user back to this ticket if possible.
redirect_url = ''
if helpdesk_settings.HELPDESK_NAVIGATION_ENABLED:
redirect_url = reverse('helpdesk:view', args=[ticket_id])
return render(request, 'helpdesk/public_view_ticket.html', {
'ticket': ticket,
'helpdesk_settings': helpdesk_settings,
'next': redirect_url,
})
def change_language(request):
return_to = ''
if 'return_to' in request.GET:
return_to = request.GET['return_to']
return render(request, 'helpdesk/public_change_language.html', {'next': return_to})