129 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""passbook Policy administration"""
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from django.contrib import messages
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.contrib.auth.mixins import \
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    PermissionRequiredMixin as DjangoPermissionRequiredMixin
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from django.contrib.messages.views import SuccessMessageMixin
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from django.http import Http404
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from django.urls import reverse_lazy
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from django.utils.translation import ugettext as _
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from django.views.generic import DeleteView, FormView, ListView, UpdateView
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from django.views.generic.detail import DetailView
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from guardian.mixins import PermissionListMixin, PermissionRequiredMixin
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from passbook.admin.forms.policies import PolicyTestForm
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from passbook.core.models import Policy
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from passbook.lib.utils.reflection import path_to_class
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from passbook.lib.views import CreateAssignPermView
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from passbook.policies.engine import PolicyEngine
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class PolicyListView(LoginRequiredMixin, PermissionListMixin, ListView):
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    """Show list of all policies"""
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    model = Policy
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    permission_required = 'passbook_core.view_policy'
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    template_name = 'administration/policy/list.html'
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    def get_context_data(self, **kwargs):
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        kwargs['types'] = {
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            x.__name__: x._meta.verbose_name for x in Policy.__subclasses__()}
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        return super().get_context_data(**kwargs)
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    def get_queryset(self):
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        return super().get_queryset().order_by('order').select_subclasses()
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class PolicyCreateView(SuccessMessageMixin, LoginRequiredMixin,
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                       DjangoPermissionRequiredMixin, CreateAssignPermView):
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    """Create new Policy"""
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    model = Policy
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    permission_required = 'passbook_core.add_policy'
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    template_name = 'generic/create.html'
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    success_url = reverse_lazy('passbook_admin:policies')
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    success_message = _('Successfully created Policy')
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    def get_form_class(self):
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        policy_type = self.request.GET.get('type')
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        model = next(x for x in Policy.__subclasses__()
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                     if x.__name__ == policy_type)
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        if not model:
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            raise Http404
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        return path_to_class(model.form)
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class PolicyUpdateView(SuccessMessageMixin, LoginRequiredMixin,
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                       PermissionRequiredMixin, UpdateView):
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    """Update policy"""
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    model = Policy
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    permission_required = 'passbook_core.change_policy'
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    template_name = 'generic/update.html'
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    success_url = reverse_lazy('passbook_admin:policies')
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    success_message = _('Successfully updated Policy')
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    def get_form_class(self):
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        form_class_path = self.get_object().form
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        form_class = path_to_class(form_class_path)
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        return form_class
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    def get_object(self, queryset=None):
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        return Policy.objects.filter(pk=self.kwargs.get('pk')).select_subclasses().first()
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class PolicyDeleteView(SuccessMessageMixin, LoginRequiredMixin,
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                       PermissionRequiredMixin, DeleteView):
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    """Delete policy"""
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    model = Policy
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    permission_required = 'passbook_core.delete_policy'
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    template_name = 'generic/delete.html'
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    success_url = reverse_lazy('passbook_admin:policies')
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    success_message = _('Successfully deleted Policy')
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    def get_object(self, queryset=None):
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        return Policy.objects.filter(pk=self.kwargs.get('pk')).select_subclasses().first()
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    def delete(self, request, *args, **kwargs):
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        messages.success(self.request, self.success_message)
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        return super().delete(request, *args, **kwargs)
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class PolicyTestView(LoginRequiredMixin, DetailView, PermissionRequiredMixin, FormView):
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    """View to test policy(s)"""
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    model = Policy
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    form_class = PolicyTestForm
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    permission_required = 'passbook_core.view_policy'
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    template_name = 'administration/policy/test.html'
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    object = None
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    def get_object(self, queryset=None):
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        return Policy.objects.filter(pk=self.kwargs.get('pk')).select_subclasses().first()
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    def get_context_data(self, **kwargs):
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        kwargs['policy'] = self.get_object()
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        return super().get_context_data(**kwargs)
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    def post(self, *args, **kwargs):
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        self.object = self.get_object()
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        return super().post(*args, **kwargs)
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    def form_valid(self, form):
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        policy = self.get_object()
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        user = form.cleaned_data.get('user')
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        policy_engine = PolicyEngine([policy], user, self.request)
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        policy_engine.use_cache = False
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        policy_engine.build()
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        result = policy_engine.passing
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        if result:
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            messages.success(self.request, _('User successfully passed policy.'))
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        else:
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            messages.error(self.request, _("User didn't pass policy."))
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        return self.render_to_response(self.get_context_data(form=form, result=result))
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