157 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			157 lines
		
	
	
		
			5.2 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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)
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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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    paginate_by = 10
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    ordering = "order"
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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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        }
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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().select_subclasses()
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class PolicyCreateView(
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    SuccessMessageMixin,
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    LoginRequiredMixin,
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    DjangoPermissionRequiredMixin,
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    CreateAssignPermView,
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):
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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_context_data(self, **kwargs):
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        kwargs = super().get_context_data(**kwargs)
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        form_cls = self.get_form_class()
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        if hasattr(form_cls, "template_name"):
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            kwargs["base_template"] = form_cls.template_name
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        return kwargs
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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__() 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(
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    SuccessMessageMixin, LoginRequiredMixin, PermissionRequiredMixin, UpdateView
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):
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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_context_data(self, **kwargs):
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        kwargs = super().get_context_data(**kwargs)
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        form_cls = self.get_form_class()
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        if hasattr(form_cls, "template_name"):
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            kwargs["base_template"] = form_cls.template_name
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        return kwargs
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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 (
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            Policy.objects.filter(pk=self.kwargs.get("pk")).select_subclasses().first()
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        )
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class PolicyDeleteView(
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    SuccessMessageMixin, LoginRequiredMixin, PermissionRequiredMixin, DeleteView
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):
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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 (
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            Policy.objects.filter(pk=self.kwargs.get("pk")).select_subclasses().first()
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        )
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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 (
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            Policy.objects.filter(pk=self.kwargs.get("pk")).select_subclasses().first()
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        )
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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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