import yaml
import json
import logging
-from random import choice as random_choice
from uuid import uuid4
from hashlib import sha256, md5
-from osm_common.dbbase import DbException
+from osm_common.dbbase import DbException, deep_update
from osm_common.fsbase import FsException
from osm_common.msgbase import MsgException
from http import HTTPStatus
from time import time
-from copy import deepcopy, copy
+from copy import copy
from validation import validate_input, ValidationError
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
Exception.__init__(self, message)
-def _deep_update(dict_to_change, dict_reference):
- """
- Modifies one dictionary with the information of the other following https://tools.ietf.org/html/rfc7396
- :param dict_to_change: Ends modified
- :param dict_reference: reference
- :return: none
- """
- for k in dict_reference:
- if dict_reference[k] is None: # None->Anything
- if k in dict_to_change:
- del dict_to_change[k]
- elif not isinstance(dict_reference[k], dict): # NotDict->Anything
- dict_to_change[k] = dict_reference[k]
- elif k not in dict_to_change: # Dict->Empty
- dict_to_change[k] = deepcopy(dict_reference[k])
- _deep_update(dict_to_change[k], dict_reference[k])
- elif isinstance(dict_to_change[k], dict): # Dict->Dict
- _deep_update(dict_to_change[k], dict_reference[k])
- else: # Dict->NotDict
- dict_to_change[k] = deepcopy(dict_reference[k])
- _deep_update(dict_to_change[k], dict_reference[k])
-
-
def get_iterable(input):
"""
Returns an iterable, in case input is None it just returns an empty tuple
except (DbException, FsException, MsgException) as e:
raise EngineException(str(e), http_code=e.http_code)
- 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):
"""
clean_indata = clean_indata['userDefinedData']
return clean_indata
+ def _check_project_dependencies(self, project_id):
+ """
+ Check if a project can be deleted
+ :param session:
+ :param _id:
+ :return:
+ """
+ # TODO Is it needed to check descriptors _admin.project_read/project_write??
+ _filter = {"projects": project_id}
+ if self.db.get_list("users", _filter):
+ raise EngineException("There are users that uses this project", http_code=HTTPStatus.CONFLICT)
+
def _check_dependencies_on_descriptor(self, session, item, descriptor_id, _id):
"""
Check that the descriptor to be deleded is not a dependency of others
raise EngineException("Descriptor error at nsdId='{}' references a non exist nsd".format(nsd_id),
http_code=HTTPStatus.CONFLICT)
+ def _check_edition(self, session, item, indata, id, force=False):
+ if item == "users":
+ if indata.get("projects"):
+ if not session["admin"]:
+ raise EngineException("Needed admin privileges to edit user projects", HTTPStatus.UNAUTHORIZED)
+ if indata.get("password"):
+ # regenerate salt and encrypt password
+ salt = uuid4().hex
+ indata["_admin"] = {"salt": salt}
+ indata["password"] = sha256(indata["password"].encode('utf-8') + salt.encode('utf-8')).hexdigest()
+
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):
+ if not id and 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)
+ # check projects
+ if not force:
+ for p in indata["projects"]:
+ if p == "admin":
+ continue
+ if not self.db.get_one("projects", {"_id": p}, fail_on_empty=False, fail_on_more=False):
+ raise EngineException("project '{}' does not exists".format(p), 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):
+ if not id and 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"]}
:return: _id: identity of the inserted data.
"""
+ if not session["admin"] and item in ("users", "projects"):
+ raise EngineException("Needed admin privileges to perform this operation", HTTPStatus.UNAUTHORIZED)
+
try:
item_envelop = item
if item in ("nsds", "vnfds"):
# Override descriptor with query string kwargs
self._update_descriptor(content, kwargs)
- if not indata and item not in ("nsds", "vnfds"):
+ if not content and item not in ("nsds", "vnfds"):
raise EngineException("Empty payload")
validate_input(content, item, new=True)
# in this case the input descriptor is not the data to be stored
return self.new_nsr(rollback, session, ns_request=content)
- self._validate_new_data(session, item_envelop, content, force)
+ self._validate_new_data(session, item_envelop, content, force=force)
if item in ("nsds", "vnfds"):
content = {"_admin": {"userDefinedData": content}}
self._format_new_data(session, item, content)
# raise EngineException("Cannot get ns_instance '{}': {}".format(e), HTTPStatus.NOT_FOUND)
def _add_read_filter(self, session, item, filter):
- if session["project_id"] == "admin": # allows all
+ if session["admin"]: # allows all
return filter
if item == "users":
filter["username"] = session["username"]
filter["_admin.projects_read.cont"] = ["ANY", session["project_id"]]
def _add_delete_filter(self, session, item, filter):
- if session["project_id"] != "admin" and item in ("users", "projects"):
+ if not session["admin"] and item in ("users", "projects"):
raise EngineException("Only admin users can perform this task", http_code=HTTPStatus.FORBIDDEN)
if item == "users":
if filter.get("_id") == session["username"] or filter.get("username") == session["username"]:
elif item == "project":
if filter.get("_id") == session["project_id"]:
raise EngineException("You cannot delete your own project", http_code=HTTPStatus.CONFLICT)
- elif item in ("vnfds", "nsds") and session["project_id"] != "admin":
+ elif item in ("vnfds", "nsds") and not session["admin"]:
filter["_admin.projects_write.cont"] = ["ANY", session["project_id"]]
def get_file(self, session, item, _id, path=None, accept_header=None):
descriptor_id = descriptor.get("id")
if descriptor_id:
self._check_dependencies_on_descriptor(session, item, descriptor_id, _id)
+ elif item == "projects":
+ if not force:
+ self._check_project_dependencies(_id)
if item == "nsrs":
nsr = self.db.get_one(item, filter)
except ValidationError as e:
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
- _deep_update(content, indata)
- self._validate_new_data(session, item, content, id, force)
+ self._check_edition(session, item, indata, id, force)
+ deep_update(content, indata)
+ self._validate_new_data(session, item, content, id=id, force=force)
# self._format_new_data(session, item, content)
self.db.replace(item, id, content)
if item in ("vim_accounts", "sdns"):
:param force: If True avoid some dependence checks
:return: dictionary, raise exception if not found.
"""
+ if not session["admin"] and item == "projects":
+ raise EngineException("Needed admin privileges to perform this operation", HTTPStatus.UNAUTHORIZED)
content = self.get_item(session, item, _id)
return self._edit_item(session, item, _id, content, indata, kwargs, force)
projects / osm / NBI.git / blobdiff