"Alfonso Tierno <alfonso.tiernosepulveda@telefoncia.com"
__date__ = "$06-jun-2019 11:16:08$"
+import logging
+import re
+
from osm_nbi.authconn import Authconn, AuthException # , AuthconnOperationException
from osm_common.dbbase import DbException
from osm_nbi.base_topic import BaseTopic
-
-import logging
-import re
-from time import time
+from osm_nbi.validation import is_valid_uuid
+from time import time, sleep
from http import HTTPStatus
from uuid import uuid4
from hashlib import sha256
class AuthconnInternal(Authconn):
- def __init__(self, config, db, token_cache):
- Authconn.__init__(self, config, db, token_cache)
+ token_time_window = 2 # seconds
+ token_delay = 1 # seconds to wait upon second request within time window
+ def __init__(self, config, db, role_permissions):
+ Authconn.__init__(self, config, db, role_permissions)
self.logger = logging.getLogger("nbi.authenticator.internal")
self.db = db
- self.token_cache = token_cache
+ # self.msg = msg
+ # self.token_cache = token_cache
# To be Confirmed
- self.auth = None
self.sess = None
def validate_token(self, token):
if not token:
raise AuthException("Needed a token or Authorization HTTP header", http_code=HTTPStatus.UNAUTHORIZED)
- # try to get from cache first
now = time()
- token_info = self.token_cache.get(token)
- if token_info and token_info["expires"] < now:
- # delete token. MUST be done with care, as another thread maybe already delete it. Do not use del
- self.token_cache.pop(token, None)
- token_info = None
# get from database if not in cache
- if not token_info:
- token_info = self.db.get_one("tokens", {"_id": token})
- if token_info["expires"] < now:
- raise AuthException("Expired Token or Authorization HTTP header", http_code=HTTPStatus.UNAUTHORIZED)
+ # if not token_info:
+ token_info = self.db.get_one("tokens", {"_id": token})
+ if token_info["expires"] < now:
+ raise AuthException("Expired Token or Authorization HTTP header", http_code=HTTPStatus.UNAUTHORIZED)
return token_info
:param token: token to be revoked
"""
try:
- self.token_cache.pop(token, None)
+ # self.token_cache.pop(token, None)
self.db.del_one("tokens", {"_id": token})
return True
except DbException as e:
raise AuthException("Token '{}' not found".format(token), http_code=HTTPStatus.NOT_FOUND)
else:
# raise
- msg = "Error during token revocation using internal backend"
- self.logger.exception(msg)
- raise AuthException(msg, http_code=HTTPStatus.UNAUTHORIZED)
+ exmsg = "Error during token revocation using internal backend"
+ self.logger.exception(exmsg)
+ raise AuthException(exmsg, http_code=HTTPStatus.UNAUTHORIZED)
- def authenticate(self, user, password, project=None, token_info=None):
+ def authenticate(self, credentials, token_info=None):
"""
Authenticate a user using username/password or previous token_info plus project; its creates a new token
- :param user: user: name, id or None
- :param password: password or None
- :param project: name, id, or None. If None first found project will be used to get an scope token
+ :param credentials: dictionary that contains:
+ username: name, id or None
+ password: password or None
+ project_id: name, id, or None. If None first found project will be used to get an scope token
+ other items are allowed and ignored
:param token_info: previous token_info to obtain authorization
- :param remote: remote host information
:return: the scoped token info or raises an exception. The token is a dictionary with:
_id: token string id,
username: username,
now = time()
user_content = None
+ user = credentials.get("username")
+ password = credentials.get("password")
+ project = credentials.get("project_id")
# Try using username/password
if user:
raise AuthException("Provide credentials: username/password or Authorization Bearer token",
http_code=HTTPStatus.UNAUTHORIZED)
+ # Delay upon second request within time window
+ if now - user_content["_admin"].get("last_token_time", 0) < self.token_time_window:
+ sleep(self.token_delay)
+ # user_content["_admin"]["last_token_time"] = now
+ # self.db.replace("users", user_content["_id"], user_content) # might cause race conditions
+ self.db.set_one("users", {"_id": user_content["_id"]}, {"_admin.last_token_time": now})
+
token_id = ''.join(random_choice('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789')
for _ in range(0, 32))
"roles": roles_list,
}
- self.token_cache[token_id] = new_token
self.db.create("tokens", new_token)
return deepcopy(new_token)
:param role_id: role identifier.
:raises AuthconnOperationException: if role deletion failed.
"""
- return self.db.del_one("roles", {"_id": role_id})
+ rc = self.db.del_one("roles", {"_id": role_id})
+ self.db.del_list("tokens", {"roles.id": role_id})
+ return rc
def update_role(self, role_info):
"""
:raises AuthconnOperationException: if user creation failed.
"""
rid = role_info["_id"]
- self.db.set_one("roles", {"_id": rid}, role_info) # CONFIRM
+ self.db.set_one("roles", {"_id": rid}, role_info)
return {"_id": rid, "name": role_info["name"]}
def create_user(self, user_info):
pass
except ValueError:
pass
- self.db.set_one("users", {BaseTopic.id_field("users", uid): uid}, user_data) # CONFIRM
+ idf = BaseTopic.id_field("users", uid)
+ self.db.set_one("users", {idf: uid}, user_data)
+ if user_info.get("remove_project_role_mappings"):
+ idf = "user_id" if idf == "_id" else idf
+ self.db.del_list("tokens", {idf: uid})
def delete_user(self, user_id):
"""
:raises AuthconnOperationException: if user deletion failed.
"""
self.db.del_one("users", {"_id": user_id})
+ self.db.del_list("tokens", {"user_id": user_id})
return True
def get_user_list(self, filter_q=None):
"""
Get user list.
- :param filter_q: dictionary to filter user list by name (username is also admited) and/or _id
+ :param filter_q: dictionary to filter user list by:
+ name (username is also admitted). If a user id is equal to the filter name, it is also provided
+ other
:return: returns a list of users.
"""
filt = filter_q or {}
- if "name" in filt:
- filt["username"] = filt["name"]
- del filt["name"]
+ if "name" in filt: # backward compatibility
+ filt["username"] = filt.pop("name")
+ if filt.get("username") and is_valid_uuid(filt["username"]):
+ # username cannot be a uuid. If this is the case, change from username to _id
+ filt["_id"] = filt.pop("username")
users = self.db.get_list("users", filt)
project_id_name = {}
role_id_name = {}
:param project_id: project identifier.
:raises AuthconnOperationException: if project deletion failed.
"""
- filter_q = {BaseTopic.id_field("projects", project_id): project_id}
- r = self.db.del_one("projects", filter_q)
+ idf = BaseTopic.id_field("projects", project_id)
+ r = self.db.del_one("projects", {idf: project_id})
+ idf = "project_id" if idf == "_id" else "project_name"
+ self.db.del_list("tokens", {idf: project_id})
return r
def update_project(self, project_id, project_info):