def retrieve(self, cseid, ft):
if cseid not in self._db.list_collection_names():
raise KeyError
result = self._db[cseid].find_one(ft)
if result is None:
return None
elif 'ty' in result:
resource = ResourcesFactory().create(ty=result['ty'])
resource.load(pc={resource.get_rtn(): result})
rtn = None
if 'rtn' in result:
rtn = result['rtn']
result.pop('rtn')
else:
raise KeyError
_id = None
if '_id' in result:
_id = result['_id']
result.pop('_id')
else:
raise KeyError
resource.load({rtn: result})
resource.set_id(str(_id))
return resource
else:
raise TypeError
def m2mrequest(request, cseid, resourceid=None, attrib=None):
data = json.loads(request.body)
primitive = None
# parse URL
try:
http_to = dict()
http_to['cse-id'] = cseid
if resourceid is not None:
http_to['unstructured-resource-id'] = resourceid
if attrib is not None:
http_to['attr'] = attrib
except:
resp = ResponsePrimitive(
0, ResponseStatusCode.INTERNAL_SERVER_ERROR.value)
return JsonResponse(resp.toDict())
try:
if 'm2m:rqp' in data:
primitive = data['m2m:rqp']
except KeyError:
resp = ResponsePrimitive(0, ResponseStatusCode.BAD_REQUEST.value)
return JsonResponse(resp.toDict())
try:
if 'fr' in primitive:
fr = primitive['fr']
username, pwd = fr.split(':', maxsplit=2)
user = User(username, pwd)
if not user.valid():
resp = ResponsePrimitive(
0, ResponseStatusCode.OPERATION_NOT_ALLOWED.value)
return JsonResponse(resp.toDict())
except Exception:
resp = ResponsePrimitive(0, ResponseStatusCode.BAD_REQUEST.value)
return JsonResponse(resp.toDict())
# CREATE or NOTIFY
if request.method == "POST":
try:
if 'op' in primitive:
op = primitive['op']
except KeyError:
return JsonResponse({
'status': 0,
'info': 'no operation in primitive'
})
try:
if 'ty' in primitive:
ty = primitive['ty']
except KeyError:
return JsonResponse({
'status': 0,
'info': 'no resourceType in request primitive'
})
if op == Operation.Create.value:
resource = None
try:
if primitive['ty'] == ResourceType.AE.value:
target_resource = http_to['cse-id']
else:
target_resource = http_to['unstructured-resource-id']
if target_resource is None:
resp = ResponsePrimitive(
rsc=ResponseStatusCode.BAD_REQUEST.value)
return JsonResponse(resp.toDict())
pc = None
if 'pc' in primitive:
pc = primitive['pc']
resource = ResourcesFactory().create(ty=primitive['ty'],
pc=pc,
pi=target_resource)
mapper = MappersFactory().get(resource)
ri = mapper.store(http_to['cse-id'], resource)
resource.set_id(ri)
resp = ResponsePrimitive(rsc=ResponseStatusCode.CREATED.value)
resp.set_pc(resource.toDict())
return JsonResponse(resp.toDict())
except:
resp = ResponsePrimitive(
rsc=ResponseStatusCode.BAD_REQUEST.value)
return JsonResponse(resp.toDict())
else:
resp = ResponsePrimitive(
rsc=ResponseStatusCode.NOT_IMPLEMENTED.value)
return JsonResponse(resp.toDict())
# RETRIEVE or DISCOVERY
elif request.method == "GET":
try:
try:
if 'op' in primitive:
op = primitive['op']
except KeyError:
rsp = ResponsePrimitive(
rsc=ResponseStatusCode.BAD_REQUEST.value)
return JsonResponse(rsp.toDict())
if op == Operation.Retrieve.value:
if 'unstructured-resource-id' in http_to:
resource = ResourceMapper().retrieve(
http_to["cse-id"],
{'_id': ObjectId(http_to['unstructured-resource-id'])})
else:
resource = ResourceMapper().retrieve(
http_to["cse-id"], {'csi': http_to['cse-id']})
filter_criteria = request.GET.dict()
if filter_criteria:
# DISCOVERY
results = ResourceMapper().discovery(
http_to["cse-id"], http_to['unstructured-resource-id'],
filter_criteria)
rsp = {
"m2m:rsp": {
"pc": {
"m2m:uril": results
},
"rsc": ResponseStatusCode.OK.value,
"ri": resource.get_id()
}
}
return JsonResponse(rsp)
if 'attr' in http_to:
if hasattr(resource, http_to['attr']):
target_attr = getattr(resource, http_to['attr'])
rsp = ResponsePrimitive(
rsc=ResponseStatusCode.OK.value)
rsp.set_pc(target_attr)
return JsonResponse(rsp.toDict())
else:
rsp = ResponsePrimitive(
rsc=ResponseStatusCode.NOT_FOUND.value)
return JsonResponse(rsp.toDict())
else:
if resource is None:
rsp = ResponsePrimitive(
rsc=ResponseStatusCode.NOT_FOUND.value)
return JsonResponse(rsp.toDict())
rsp = ResponsePrimitive(rsc=ResponseStatusCode.OK.value)
rsp.set_pc(resource.toDict())
return JsonResponse(rsp.toDict())
else:
rsp = ResponsePrimitive(
rsc=ResponseStatusCode.NOT_IMPLEMENTED.value)
return JsonResponse(rsp.toDict())
except Exception:
rsp = ResponsePrimitive(
rsc=ResponseStatusCode.INTERNAL_SERVER_ERROR.value)
return JsonResponse(rsp.toDict())
else:
rsp = ResponsePrimitive(rsc=ResponseStatusCode.NOT_IMPLEMENTED.value)
return JsonResponse(rsp.toDict())