X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FNBI.git;a=blobdiff_plain;f=osm_nbi%2Fauth.py;h=dcf12c3fb389090d2dad66f8491b3f48631c4d6b;hp=1b8fa2b0adcef246e817a3f3600f0e4379971907;hb=490d019c61da7d4f0718fe030d645bf936a616f0;hpb=ad682a52ef94fa2662e2a0f6e3f81fb7c8f5e0fe diff --git a/osm_nbi/auth.py b/osm_nbi/auth.py index 1b8fa2b..dcf12c3 100644 --- a/osm_nbi/auth.py +++ b/osm_nbi/auth.py @@ -39,9 +39,10 @@ from http import HTTPStatus from time import time from os import path -from osm_nbi.authconn import AuthException, AuthExceptionUnauthorized +from osm_nbi.authconn import AuthException, AuthconnException, AuthExceptionUnauthorized from osm_nbi.authconn_keystone import AuthconnKeystone from osm_nbi.authconn_internal import AuthconnInternal +from osm_nbi.authconn_tacacs import AuthconnTacacs from osm_common import dbmemory, dbmongo, msglocal, msgkafka from osm_common.dbbase import DbException from osm_nbi.validation import is_valid_uuid @@ -80,6 +81,8 @@ class Authenticator: self.role_permissions = [] self.valid_methods = valid_methods self.valid_query_string = valid_query_string + self.system_admin_role_id = None # system_role id + self.test_project_id = None # test_project_id def start(self, config): """ @@ -114,10 +117,13 @@ class Authenticator: .format(config["message"]["driver"])) if not self.backend: if config["authentication"]["backend"] == "keystone": - self.backend = AuthconnKeystone(self.config["authentication"], self.db) + self.backend = AuthconnKeystone(self.config["authentication"], self.db, self.role_permissions) elif config["authentication"]["backend"] == "internal": - self.backend = AuthconnInternal(self.config["authentication"], self.db) - self._internal_tokens_prune() + self.backend = AuthconnInternal(self.config["authentication"], self.db, self.role_permissions) + self._internal_tokens_prune("tokens") + elif config["authentication"]["backend"] == "tacacs": + self.backend = AuthconnTacacs(self.config["authentication"], self.db, self.role_permissions) + self._internal_tokens_prune("tokens_tacacs") else: raise AuthException("Unknown authentication backend: {}" .format(config["authentication"]["backend"])) @@ -147,7 +153,7 @@ class Authenticator: self.role_permissions.append(permission) elif k in ("TODO", "METHODS"): continue - else: + elif method_dict[k]: load_role_permissions(method_dict[k]) load_role_permissions(self.valid_methods) @@ -157,6 +163,15 @@ class Authenticator: if permission not in self.role_permissions: self.role_permissions.append(permission) + # get ids of role system_admin and test project + role_system_admin = self.db.get_one("roles", {"name": "system_admin"}, fail_on_empty=False) + if role_system_admin: + self.system_admin_role_id = role_system_admin["_id"] + test_project_name = self.config["authentication"].get("project_not_authorized", "admin") + test_project = self.db.get_one("projects", {"name": test_project_name}, fail_on_empty=False) + if test_project: + self.test_project_id = test_project["_id"] + except Exception as e: raise AuthException(str(e)) @@ -222,8 +237,8 @@ class Authenticator: records = self.backend.get_role_list() - # Loading permissions to MongoDB if there is not any permission. - if not records or (len(records) == 1 and records[0]["name"] == "admin"): + # Loading permissions to AUTH. At lease system_admin must be present. + if not records or not next((r for r in records if r["name"] == "system_admin"), None): with open(self.roles_to_operations_file, "r") as stream: roles_to_operations_yaml = yaml.load(stream, Loader=yaml.Loader) @@ -245,7 +260,7 @@ class Authenticator: .format(permission, role_with_operations["name"], self.roles_to_operations_file)) - # TODO chek permission is ok + # TODO check permission is ok if permission[-1] == ":": raise AuthException("Invalid permission '{}' terminated in ':' for role '{}'; at file {}" .format(permission, role_with_operations["name"], @@ -263,8 +278,13 @@ class Authenticator: } # self.db.create(self.roles_to_operations_table, role_with_operations) - self.backend.create_role(role_with_operations) - self.logger.info("Role '{}' created at database".format(role_with_operations["name"])) + try: + self.backend.create_role(role_with_operations) + self.logger.info("Role '{}' created".format(role_with_operations["name"])) + except (AuthException, AuthconnException) as e: + if role_with_operations["name"] == "system_admin": + raise + self.logger.error("Role '{}' cannot be created: {}".format(role_with_operations["name"], e)) # Create admin project&user if required pid = self.create_admin_project() @@ -394,20 +414,18 @@ class Authenticator: if cherrypy.session.get('Authorization'): del cherrypy.session['Authorization'] cherrypy.response.headers["WWW-Authenticate"] = 'Bearer realm="{}"'.format(e) - elif self.config.get("user_not_authorized"): - # TODO provide user_id, roles id (not name), project_id - return {"id": "fake-token-id-for-test", - "project_id": self.config.get("project_not_authorized", "admin"), - "username": self.config["user_not_authorized"], - "roles": ["system_admin"]} + if self.config["authentication"].get("user_not_authorized"): + return {"id": "testing-token", "_id": "testing-token", + "project_id": self.test_project_id, + "username": self.config["authentication"]["user_not_authorized"], + "roles": [self.system_admin_role_id], + "admin": True, "allow_show_user_project_role": True} raise def new_token(self, token_info, indata, remote): new_token_info = self.backend.authenticate( - user=indata.get("username"), - password=indata.get("password"), + credentials=indata, token_info=token_info, - project=indata.get("project_id") ) new_token_info["remote_port"] = remote.port @@ -468,6 +486,7 @@ class Authenticator: :return: True if access granted by permission rules, False if access granted by default rules (Bug 853) :raises: AuthExceptionUnauthorized if access denied """ + self.load_operation_to_allowed_roles() roles_required = self.operation_to_allowed_roles[role_permission] roles_allowed = [role["name"] for role in token_info["roles"]] @@ -577,10 +596,10 @@ class Authenticator: raise AuthException("needed admin privileges", http_code=HTTPStatus.UNAUTHORIZED) return token_value - def _internal_tokens_prune(self, now=None): + def _internal_tokens_prune(self, token_collection, now=None): now = now or time() if not self.next_db_prune_time or self.next_db_prune_time >= now: - self.db.del_list("tokens", {"expires.lt": now}) + self.db.del_list(token_collection, {"expires.lt": now}) self.next_db_prune_time = self.periodin_db_pruning + now # self.tokens_cache.clear() # not required any more