jumpserver/apps/terminal/api/applet/applet.py

87 lines
3.3 KiB
Python

import os.path
import shutil
import zipfile
import yaml
from django.core.files.storage import default_storage
from rest_framework import viewsets
from rest_framework.decorators import action
from rest_framework.response import Response
from rest_framework.serializers import ValidationError
from terminal import serializers, models
from terminal.serializers import AppletUploadSerializer
class AppletViewSet(viewsets.ModelViewSet):
queryset = models.Applet.objects.all()
serializer_class = serializers.AppletSerializer
rbac_perms = {
'upload': 'terminal.add_applet',
}
def perform_destroy(self, instance):
if not instance.name:
raise ValidationError('Applet is not null')
path = default_storage.path('applets/{}'.format(instance.name))
if os.path.exists(path):
shutil.rmtree(path)
instance.delete()
def extract_and_check_file(self, request):
serializer = self.get_serializer(data=self.request.data)
serializer.is_valid(raise_exception=True)
file = serializer.validated_data['file']
save_to = 'applets/{}'.format(file.name + '.tmp.zip')
if default_storage.exists(save_to):
default_storage.delete(save_to)
rel_path = default_storage.save(save_to, file)
path = default_storage.path(rel_path)
extract_to = default_storage.path('applets/{}.tmp'.format(file.name))
if os.path.exists(extract_to):
shutil.rmtree(extract_to)
with zipfile.ZipFile(path) as zp:
if zp.testzip() is not None:
return Response({'msg': 'Invalid Zip file'}, status=400)
zp.extractall(extract_to)
tmp_dir = os.path.join(extract_to, file.name.replace('.zip', ''))
files = ['manifest.yml', 'icon.png', 'i18n.yml']
for name in files:
path = os.path.join(tmp_dir, name)
if not os.path.exists(path):
raise ValidationError({'error': 'Missing file {}'.format(name)})
with open(os.path.join(tmp_dir, 'manifest.yml')) as f:
manifest = yaml.safe_load(f)
if not manifest.get('name', ''):
raise ValidationError({'error': 'Missing name in manifest.yml'})
return manifest, tmp_dir
@action(detail=False, methods=['post'], serializer_class=AppletUploadSerializer)
def upload(self, request, *args, **kwargs):
manifest, tmp_dir = self.extract_and_check_file(request)
name = manifest['name']
update = request.query_params.get('update')
instance = models.Applet.objects.filter(name=name).first()
if instance and not update:
return Response({'error': 'Applet already exists: {}'.format(name)}, status=400)
serializer = serializers.AppletSerializer(data=manifest, instance=instance)
serializer.is_valid(raise_exception=True)
save_to = default_storage.path('applets/{}'.format(name))
if os.path.exists(save_to):
shutil.rmtree(save_to)
shutil.move(tmp_dir, save_to)
serializer.save()
return Response(serializer.data, status=201)
class AppletPublicationViewSet(viewsets.ModelViewSet):
queryset = models.AppletPublication.objects.all()
serializer_class = serializers.AppletPublicationSerializer