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setup.py
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setup.py
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import io
import logging
from django.contrib.auth.mixins import LoginRequiredMixin, PermissionRequiredMixin
from django.core.exceptions import PermissionDenied, SuspiciousOperation
from django.http import FileResponse, HttpResponseRedirect
from django.shortcuts import get_object_or_404, render
from django.urls import reverse, reverse_lazy
from django.views.generic import CreateView, DeleteView, DetailView, ListView, TemplateView, UpdateView, View
from zentral.contrib.mdm.crypto import generate_push_certificate_csr_der_bytes
from zentral.contrib.mdm.dep import add_dep_token_certificate
from zentral.contrib.mdm.forms import (CreatePushCertificateForm,
EncryptedDEPTokenForm, LocationForm,
PushCertificateCertificateForm, PushCertificateForm,
UpdateDEPVirtualServerForm)
from zentral.contrib.mdm.models import PushCertificate, DEPToken, DEPVirtualServer, Location
from zentral.contrib.mdm.payloads import (build_configuration_profile_response,
build_root_ca_configuration_profile)
from zentral.contrib.mdm.terraform import iter_resources
from zentral.utils.terraform import build_config_response
logger = logging.getLogger('zentral.contrib.mdm.views.setup')
class IndexView(LoginRequiredMixin, TemplateView):
template_name = "mdm/index.html"
def get_context_data(self, **kwargs):
if not self.request.user.has_module_perms("mdm"):
raise PermissionDenied("Not allowed")
ctx = super().get_context_data(**kwargs)
ctx["show_terraform_export"] = all(
self.request.user.has_perm(perm)
for perm in TerraformExportView.permission_required
)
return ctx
class RootCAView(View):
def get(self, request, *args, **kwargs):
return build_configuration_profile_response(build_root_ca_configuration_profile(), "zentral_root_ca")
# terraform export
class TerraformExportView(PermissionRequiredMixin, View):
permission_required = (
"mdm.view_blueprint",
)
def get(self, request, *args, **kwargs):
return build_config_response(iter_resources(), "terraform_mdm")
# Push certificates
class PushCertificatesView(PermissionRequiredMixin, ListView):
permission_required = "mdm.view_pushcertificate"
model = PushCertificate
class UploadPushCertificateView(PermissionRequiredMixin, CreateView):
permission_required = "mdm.add_pushcertificate"
model = PushCertificate
form_class = PushCertificateForm
class CreatePushCertificateView(PermissionRequiredMixin, CreateView):
permission_required = "mdm.add_pushcertificate"
model = PushCertificate
form_class = CreatePushCertificateForm
class PushCertificateView(PermissionRequiredMixin, DetailView):
permission_required = "mdm.view_pushcertificate"
model = PushCertificate
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx["dep_enrollments"] = list(self.object.depenrollment_set.all().order_by("-pk"))
ctx["ota_enrollments"] = list(self.object.otaenrollment_set.all().order_by("-pk"))
ctx["user_enrollments"] = list(self.object.userenrollment_set.all().order_by("-pk"))
return ctx
class PushCertificateCSRView(PermissionRequiredMixin, View):
permission_required = "mdm.view_pushcertificate"
def get(self, request, *args, **kwargs):
push_certificate = get_object_or_404(PushCertificate, pk=kwargs["pk"])
csr_bytes = generate_push_certificate_csr_der_bytes(push_certificate)
return FileResponse(io.BytesIO(csr_bytes),
content_type="application/pkcs10",
as_attachment=True,
filename=f"push_certificate_{push_certificate.pk}.csr")
class PushCertificateSignedCSRView(PermissionRequiredMixin, View):
permission_required = "mdm.view_pushcertificate"
def get(self, request, *args, **kwargs):
push_certificate = get_object_or_404(PushCertificate, pk=kwargs["pk"], signed_csr__isnull=False)
return FileResponse(io.BytesIO(push_certificate.signed_csr),
content_type="application/octet-stream",
as_attachment=True,
filename=f"push_certificate_{push_certificate.pk}_signed_csr.b64")
class UploadPushCertificateCertificateView(PermissionRequiredMixin, UpdateView):
permission_required = "mdm.change_pushcertificate"
model = PushCertificate
form_class = PushCertificateCertificateForm
class RenewPushCertificateView(PermissionRequiredMixin, UpdateView):
permission_required = "mdm.change_pushcertificate"
model = PushCertificate
form_class = PushCertificateForm
class DeletePushCertificateView(PermissionRequiredMixin, DeleteView):
permission_required = "mdm.delete_pushcertificate"
model = PushCertificate
success_url = reverse_lazy("mdm:push_certificates")
def get_object(self, queryset=None):
obj = super().get_object(queryset)
if not obj.can_be_deleted():
raise SuspiciousOperation("This push certificate cannot be deleted")
return obj
# DEP Tokens
class DownloadDEPTokenPublicKeyView(PermissionRequiredMixin, View):
permission_required = "mdm.add_depvirtualserver"
def get(self, request, *args, **kwargs):
dep_token = get_object_or_404(DEPToken, pk=kwargs["pk"], consumer_key__isnull=True)
certificate = dep_token.certificate
if isinstance(certificate, memoryview):
certificate = certificate.tobytes()
filename = "{}_public_key_{}_{}.pem".format(
request.get_host(),
dep_token.pk,
dep_token.created_at.strftime("%Y%m%d%H%M%S")
)
return FileResponse(io.BytesIO(certificate),
content_type="application/x-pem-file",
as_attachment=True,
filename=filename)
class RenewDEPTokenView(PermissionRequiredMixin, UpdateView):
permission_required = "mdm.change_depvirtualserver"
model = DEPToken
template_name = "mdm/deptoken_renew.html"
form_class = EncryptedDEPTokenForm
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
try:
context["virtual_server"] = context["object"].virtual_server
except DEPVirtualServer.DoesNotExist:
context["virtual_server"] = None
return context
def form_valid(self, form):
dep_token = form.save()
return HttpResponseRedirect(dep_token.virtual_server.get_absolute_url())
# DEP virtual servers
class DEPVirtualServersView(PermissionRequiredMixin, ListView):
permission_required = "mdm.view_depvirtualserver"
model = DEPVirtualServer
class ConnectDEPVirtualServerView(PermissionRequiredMixin, View):
permission_required = "mdm.add_depvirtualserver"
template_name = "mdm/depvirtualserver_connect.html"
def get_or_create_current_dep_token(self, request):
self.current_dep_token = None
current_dep_token_id = request.session.get("current_dep_token_id")
if current_dep_token_id:
try:
self.current_dep_token = DEPToken.objects.get(pk=current_dep_token_id)
except DEPToken.DoesNotExist:
# the token id in the session is invalid. remove it.
request.session.pop("current_dep_token_id")
else:
# verify that the current dep token has no attached server.
try:
virtual_server = self.current_dep_token.virtual_server
except DEPVirtualServer.DoesNotExist:
pass
else:
# the current token already has a server.
# remove it from the session and redirect to the server.
request.session.pop("current_dep_token_id")
return HttpResponseRedirect(virtual_server.get_absolute_url())
if not self.current_dep_token:
# create a new one, and attach it to the session
self.current_dep_token = DEPToken.objects.create()
add_dep_token_certificate(self.current_dep_token)
request.session["current_dep_token_id"] = self.current_dep_token.pk
def do_cancel(self, request):
self.current_dep_token.delete()
request.session.pop("current_dep_token_id")
return HttpResponseRedirect(reverse("mdm:dep_virtual_servers"))
def post(self, request, *args, **kwargs):
response = self.get_or_create_current_dep_token(request)
if response:
return response
action = request.POST.get("action", None)
if action == "cancel":
return self.do_cancel(request)
elif action == "upload":
form = EncryptedDEPTokenForm(instance=self.current_dep_token,
data=request.POST, files=request.FILES)
if form.is_valid():
dep_token = form.save()
request.session.pop("current_dep_token_id")
return HttpResponseRedirect(dep_token.virtual_server.get_absolute_url())
else:
# start
form = EncryptedDEPTokenForm(instance=self.current_dep_token)
return render(request, "mdm/depvirtualserver_connect.html",
{"setup": True,
"dep_token": self.current_dep_token,
"form": form})
def get(self, request, *args, **kwargs):
return HttpResponseRedirect(reverse("mdm:dep_virtual_servers"))
class DEPVirtualServerView(PermissionRequiredMixin, DetailView):
permission_required = "mdm.view_depvirtualserver"
model = DEPVirtualServer
latest_devices_count = 5
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
devices_qs = self.object.depdevice_set.all().order_by("-updated_at")
context["devices_count"] = devices_qs.count()
context["show_more_devices"] = context["devices_count"] > self.latest_devices_count
context["latest_devices"] = devices_qs[:self.latest_devices_count]
return context
class UpdateDEPVirtualServerView(PermissionRequiredMixin, UpdateView):
permission_required = "mdm.change_depvirtualserver"
model = DEPVirtualServer
form_class = UpdateDEPVirtualServerForm
# Locations
class LocationsView(PermissionRequiredMixin, ListView):
permission_required = "mdm.view_location"
model = Location
class CreateLocationView(PermissionRequiredMixin, CreateView):
permission_required = "mdm.add_location"
model = Location
form_class = LocationForm
class LocationView(PermissionRequiredMixin, DetailView):
permission_required = "mdm.view_location"
model = Location
class UpdateLocationView(PermissionRequiredMixin, UpdateView):
permission_required = "mdm.change_location"
model = Location
form_class = LocationForm
class DeleteLocationView(PermissionRequiredMixin, DeleteView):
permission_required = "mdm.delete_location"
model = Location
success_url = reverse_lazy("mdm:locations")
def get_object(self, queryset=None):
obj = super().get_object(queryset)
if not obj.can_be_deleted():
raise SuspiciousOperation("This location cannot be deleted")
return obj