- def authorize(self, token):
- try:
- if not token:
- raise EngineException("Needed a token or Authorization http header",
- http_code=HTTPStatus.UNAUTHORIZED)
- if token not in self.tokens:
- raise EngineException("Invalid token or Authorization http header",
- http_code=HTTPStatus.UNAUTHORIZED)
- session = self.tokens[token]
- now = time()
- if session["expires"] < now:
- del self.tokens[token]
- raise EngineException("Expired Token or Authorization http header",
- http_code=HTTPStatus.UNAUTHORIZED)
- return session
- except EngineException:
- if self.config["global"].get("test.user_not_authorized"):
- return {"id": "fake-token-id-for-test",
- "project_id": self.config["global"].get("test.project_not_authorized", "admin"),
- "username": self.config["global"]["test.user_not_authorized"]}
- else:
- raise
-
- def new_token(self, session, indata, remote):
- now = time()
- user_content = None
-
- # Try using username/password
- if indata.get("username"):
- user_rows = self.db.get_list("users", {"username": indata.get("username")})
- user_content = None
- if user_rows:
- user_content = user_rows[0]
- salt = user_content["_admin"]["salt"]
- shadow_password = sha256(indata.get("password", "").encode('utf-8') + salt.encode('utf-8')).hexdigest()
- if shadow_password != user_content["password"]:
- user_content = None
- if not user_content:
- raise EngineException("Invalid username/password", http_code=HTTPStatus.UNAUTHORIZED)
- elif session:
- user_rows = self.db.get_list("users", {"username": session["username"]})
- if user_rows:
- user_content = user_rows[0]
- else:
- raise EngineException("Invalid token", http_code=HTTPStatus.UNAUTHORIZED)
- else:
- raise EngineException("Provide credentials: username/password or Authorization Bearer token",
- http_code=HTTPStatus.UNAUTHORIZED)
-
- token_id = ''.join(random_choice('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789')
- for _ in range(0, 32))
- if indata.get("project_id"):
- project_id = indata.get("project_id")
- if project_id not in user_content["projects"]:
- raise EngineException("project {} not allowed for this user".format(project_id),
- http_code=HTTPStatus.UNAUTHORIZED)
- else:
- project_id = user_content["projects"][0]
- if project_id == "admin":
- session_admin = True
- else:
- project = self.db.get_one("projects", {"_id": project_id})
- session_admin = project.get("admin", False)
- new_session = {"issued_at": now, "expires": now+3600,
- "_id": token_id, "id": token_id, "project_id": project_id, "username": user_content["username"],
- "remote_port": remote.port, "admin": session_admin}
- if remote.name:
- new_session["remote_host"] = remote.name
- elif remote.ip:
- new_session["remote_host"] = remote.ip
-
- self.tokens[token_id] = new_session
- return deepcopy(new_session)
-
- def get_token_list(self, session):
- token_list = []
- for token_id, token_value in self.tokens.items():
- if token_value["username"] == session["username"]:
- token_list.append(deepcopy(token_value))
- return token_list
-
- def get_token(self, session, token_id):
- token_value = self.tokens.get(token_id)
- if not token_value:
- raise EngineException("token not found", http_code=HTTPStatus.NOT_FOUND)
- if token_value["username"] != session["username"] and not session["admin"]:
- raise EngineException("needed admin privileges", http_code=HTTPStatus.UNAUTHORIZED)
- return token_value
-
- def del_token(self, token_id):
- try:
- del self.tokens[token_id]
- return "token '{}' deleted".format(token_id)
- except KeyError:
- raise EngineException("Token '{}' not found".format(token_id), http_code=HTTPStatus.NOT_FOUND)
-
- @staticmethod
- def _remove_envelop(item, indata=None):
- """
- Obtain the useful data removing the envelop. It goes throw the vnfd or nsd catalog and returns the
- vnfd or nsd content
- :param item: can be vnfds, nsds, users, projects, userDefinedData (initial content of a vnfds, nsds
- :param indata: Content to be inspected
- :return: the useful part of indata
- """
- clean_indata = indata
- if not indata:
- return {}
- if item == "vnfds":
- if clean_indata.get('vnfd:vnfd-catalog'):
- clean_indata = clean_indata['vnfd:vnfd-catalog']
- elif clean_indata.get('vnfd-catalog'):
- clean_indata = clean_indata['vnfd-catalog']
- if clean_indata.get('vnfd'):
- if not isinstance(clean_indata['vnfd'], list) or len(clean_indata['vnfd']) != 1:
- raise EngineException("'vnfd' must be a list only one element")
- clean_indata = clean_indata['vnfd'][0]
- elif item == "nsds":
- if clean_indata.get('nsd:nsd-catalog'):
- clean_indata = clean_indata['nsd:nsd-catalog']
- elif clean_indata.get('nsd-catalog'):
- clean_indata = clean_indata['nsd-catalog']
- if clean_indata.get('nsd'):
- if not isinstance(clean_indata['nsd'], list) or len(clean_indata['nsd']) != 1:
- raise EngineException("'nsd' must be a list only one element")
- clean_indata = clean_indata['nsd'][0]
- elif item == "userDefinedData":
- if "userDefinedData" in indata:
- clean_indata = clean_indata['userDefinedData']
- return clean_indata
-
- def _check_dependencies_on_descriptor(self, session, item, descriptor_id):
- """
- Check that the descriptor to be deleded is not a dependency of others
- :param session: client session information
- :param item: can be vnfds, nsds
- :param descriptor_id: id of descriptor to be deleted
- :return: None or raises exception
- """
- if item == "vnfds":
- _filter = {"constituent-vnfd.ANYINDEX.vnfd-id-ref": descriptor_id}
- if self.get_item_list(session, "nsds", _filter):
- raise EngineException("There are nsd that depends on this VNFD", http_code=HTTPStatus.CONFLICT)
- elif item == "nsds":
- _filter = {"nsdId": descriptor_id}
- if self.get_item_list(session, "nsrs", _filter):
- raise EngineException("There are nsr that depends on this NSD", http_code=HTTPStatus.CONFLICT)
-
- def _check_descriptor_dependencies(self, session, item, descriptor):
- """
- Check that the dependent descriptors exist on a new descriptor or edition
- :param session: client session information
- :param item: can be nsds, nsrs
- :param descriptor: descriptor to be inserted or edit
- :return: None or raises exception
- """
- if item == "nsds":
- if not descriptor.get("constituent-vnfd"):
- return
- for vnf in descriptor["constituent-vnfd"]:
- vnfd_id = vnf["vnfd-id-ref"]
- if not self.get_item_list(session, "vnfds", {"id": vnfd_id}):
- raise EngineException("Descriptor error at 'constituent-vnfd':'vnfd-id-ref'='{}' references a non "
- "existing vnfd".format(vnfd_id), http_code=HTTPStatus.CONFLICT)
- elif item == "nsrs":
- if not descriptor.get("nsdId"):
- return
- nsd_id = descriptor["nsdId"]
- if not self.get_item_list(session, "nsds", {"id": nsd_id}):
- raise EngineException("Descriptor error at nsdId='{}' references a non exist nsd".format(nsd_id),
- http_code=HTTPStatus.CONFLICT)
-
- def _validate_new_data(self, session, item, indata, id=None, force=False):
- if item == "users":
- if not indata.get("username"):
- raise EngineException("missing 'username'", HTTPStatus.UNPROCESSABLE_ENTITY)
- if not indata.get("password"):
- raise EngineException("missing 'password'", HTTPStatus.UNPROCESSABLE_ENTITY)
- if not indata.get("projects"):
- raise EngineException("missing 'projects'", HTTPStatus.UNPROCESSABLE_ENTITY)
- # check username not exists
- if self.db.get_one(item, {"username": indata.get("username")}, fail_on_empty=False, fail_on_more=False):
- raise EngineException("username '{}' exists".format(indata["username"]), HTTPStatus.CONFLICT)
- elif item == "projects":
- if not indata.get("name"):
- raise EngineException("missing 'name'")
- # check name not exists
- if self.db.get_one(item, {"name": indata.get("name")}, fail_on_empty=False, fail_on_more=False):
- raise EngineException("name '{}' exists".format(indata["name"]), HTTPStatus.CONFLICT)
- elif item in ("vnfds", "nsds"):
- filter = {"id": indata["id"]}
- if id:
- filter["_id.neq"] = id
- # TODO add admin to filter, validate rights
- self._add_read_filter(session, item, filter)
- if self.db.get_one(item, filter, fail_on_empty=False):
- raise EngineException("{} with id '{}' already exists for this tenant".format(item[:-1], indata["id"]),
- HTTPStatus.CONFLICT)
- # TODO validate with pyangbind. Load and dumps to convert data types
- if item == "nsds":
- # transform constituent-vnfd:member-vnf-index to string
- if indata.get("constituent-vnfd"):
- for constituent_vnfd in indata["constituent-vnfd"]:
- if "member-vnf-index" in constituent_vnfd:
- constituent_vnfd["member-vnf-index"] = str(constituent_vnfd["member-vnf-index"])
-
- if item == "nsds" and not force:
- self._check_descriptor_dependencies(session, "nsds", indata)
- elif item == "userDefinedData":
- # TODO validate userDefinedData is a keypair values
- pass
-
- elif item == "nsrs":
- pass
- elif item == "vim_accounts" or item == "sdns":
- filter = {"name": indata.get("name")}
- if id:
- filter["_id.neq"] = id
- if self.db.get_one(item, filter, fail_on_empty=False, fail_on_more=False):
- raise EngineException("name '{}' already exists for {}".format(indata["name"], item),
- HTTPStatus.CONFLICT)
-
- def _check_ns_operation(self, session, nsr, operation, indata):
- """
- Check that user has enter right parameters for the operation
- :param session:
- :param operation: it can be: instantiate, terminate, action, TODO: update, heal
- :param indata: descriptor with the parameters of the operation
- :return: None
- """
- if operation == "action":
- if indata.get("vnf_member_index"):
- indata["member_vnf_index"] = indata.pop("vnf_member_index") # for backward compatibility
- for vnf in nsr["nsd"]["constituent-vnfd"]:
- if indata["member_vnf_index"] == vnf["member-vnf-index"]:
- # TODO get vnfd, check primitives
- break
- else:
- raise EngineException("Invalid parameter member_vnf_index='{}' is not one of the nsd "
- "constituent-vnfd".format(indata["member_vnf_index"]))
-
- def _format_new_data(self, session, item, indata):
- now = time()
- if "_admin" not in indata:
- indata["_admin"] = {}
- indata["_admin"]["created"] = now
- indata["_admin"]["modified"] = now
- if item == "users":
- indata["_id"] = indata["username"]
- salt = uuid4().hex
- indata["_admin"]["salt"] = salt
- indata["password"] = sha256(indata["password"].encode('utf-8') + salt.encode('utf-8')).hexdigest()
- elif item == "projects":
- indata["_id"] = indata["name"]
- else:
- if not indata.get("_id"):
- indata["_id"] = str(uuid4())
- if item in ("vnfds", "nsds", "nsrs", "vnfrs"):
- if not indata["_admin"].get("projects_read"):
- indata["_admin"]["projects_read"] = [session["project_id"]]
- if not indata["_admin"].get("projects_write"):
- indata["_admin"]["projects_write"] = [session["project_id"]]
- if item in ("vnfds", "nsds"):
- indata["_admin"]["onboardingState"] = "CREATED"
- indata["_admin"]["operationalState"] = "DISABLED"
- indata["_admin"]["usageSate"] = "NOT_IN_USE"
- if item == "nsrs":
- indata["_admin"]["nsState"] = "NOT_INSTANTIATED"
- if item in ("vim_accounts", "sdns"):
- indata["_admin"]["operationalState"] = "PROCESSING"
-
- def upload_content(self, session, item, _id, indata, kwargs, headers):
- """
- Used for receiving content by chunks (with a transaction_id header and/or gzip file. It will store and extract)
- :param session: session
- :param item: can be nsds or vnfds
- :param _id : the nsd,vnfd is already created, this is the id
- :param indata: http body request
- :param kwargs: user query string to override parameters. NOT USED
- :param headers: http request headers
- :return: True package has is completely uploaded or False if partial content has been uplodaed.
- Raise exception on error