# -*- coding: utf-8 -*-
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
# import logging
from uuid import uuid4
from hashlib import sha256
from http import HTTPStatus
+from time import time
from validation import user_new_schema, user_edit_schema, project_new_schema, project_edit_schema
from validation import vim_account_new_schema, vim_account_edit_schema, sdn_new_schema, sdn_edit_schema
+from validation import wim_account_new_schema, wim_account_edit_schema, roles_new_schema, roles_edit_schema
+from validation import validate_input
+from validation import ValidationError
+from validation import is_valid_uuid # To check that User/Project Names don't look like UUIDs
from base_topic import BaseTopic, EngineException
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
topic_msg = "users"
schema_new = user_new_schema
schema_edit = user_edit_schema
+ multiproject = False
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
@staticmethod
- def _get_project_filter(session, write=False, show_all=True):
+ def _get_project_filter(session):
"""
Generates a filter dictionary for querying database users.
Current policy is admin can show all, non admin, only its own user.
- :param session: contains "username", if user is "admin" and the working "project_id"
- :param write: if operation is for reading (False) or writing (True)
- :param show_all: if True it will show public or
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:return:
"""
if session["admin"]: # allows all
else:
return {"username": session["username"]}
- def check_conflict_on_new(self, session, indata, force=False):
+ def check_conflict_on_new(self, session, indata):
# check username not exists
if self.db.get_one(self.topic, {"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)
+ if not session["force"]:
+ for p in indata.get("projects"):
+ # To allow project addressing by Name as well as ID
+ if not self.db.get_one("projects", {BaseTopic.id_field("projects", p): p}, fail_on_empty=False,
+ fail_on_more=False):
+ raise EngineException("project '{}' does not exist".format(p), HTTPStatus.CONFLICT)
- def check_conflict_on_del(self, session, _id, force=False):
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check if deletion can be done because of dependencies if it is not force. To override
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: internal _id
+ :param db_content: The database content of this item _id
+ :return: None if ok or raises EngineException with the conflict
+ """
if _id == session["username"]:
raise EngineException("You cannot delete your own user", http_code=HTTPStatus.CONFLICT)
@staticmethod
def format_on_new(content, project_id=None, make_public=False):
BaseTopic.format_on_new(content, make_public=False)
- content["_id"] = content["username"]
+ # Removed so that the UUID is kept, to allow User Name modification
+ # content["_id"] = content["username"]
salt = uuid4().hex
content["_admin"]["salt"] = salt
if content.get("password"):
content["password"] = sha256(content["password"].encode('utf-8') + salt.encode('utf-8')).hexdigest()
+ if content.get("project_role_mappings"):
+ projects = [mapping[0] for mapping in content["project_role_mappings"]]
+
+ if content.get("projects"):
+ content["projects"] += projects
+ else:
+ content["projects"] = projects
@staticmethod
def format_on_edit(final_content, edit_content):
final_content["password"] = sha256(edit_content["password"].encode('utf-8') +
salt.encode('utf-8')).hexdigest()
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
if not session["admin"]:
raise EngineException("needed admin privileges", http_code=HTTPStatus.UNAUTHORIZED)
- return BaseTopic.edit(self, session, _id, indata=indata, kwargs=kwargs, force=force, content=content)
+ # Names that look like UUIDs are not allowed
+ name = (indata if indata else kwargs).get("username")
+ if is_valid_uuid(name):
+ raise EngineException("Usernames that look like UUIDs are not allowed",
+ http_code=HTTPStatus.UNPROCESSABLE_ENTITY)
+ return BaseTopic.edit(self, session, _id, indata=indata, kwargs=kwargs, content=content)
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
if not session["admin"]:
raise EngineException("needed admin privileges", http_code=HTTPStatus.UNAUTHORIZED)
- return BaseTopic.new(self, rollback, session, indata=indata, kwargs=kwargs, headers=headers, force=force,
- make_public=make_public)
+ # Names that look like UUIDs are not allowed
+ name = indata["username"] if indata else kwargs["username"]
+ if is_valid_uuid(name):
+ raise EngineException("Usernames that look like UUIDs are not allowed",
+ http_code=HTTPStatus.UNPROCESSABLE_ENTITY)
+ return BaseTopic.new(self, rollback, session, indata=indata, kwargs=kwargs, headers=headers)
class ProjectTopic(BaseTopic):
topic_msg = "projects"
schema_new = project_new_schema
schema_edit = project_edit_schema
+ multiproject = False
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
- def check_conflict_on_new(self, session, indata, force=False):
+ @staticmethod
+ def _get_project_filter(session):
+ """
+ Generates a filter dictionary for querying database users.
+ Current policy is admin can show all, non admin, only its own user.
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :return:
+ """
+ if session["admin"]: # allows all
+ return {}
+ else:
+ return {"_id.cont": session["project_id"]}
+
+ def check_conflict_on_new(self, session, indata):
if not indata.get("name"):
raise EngineException("missing 'name'")
# check name not exists
@staticmethod
def format_on_new(content, project_id=None, make_public=False):
BaseTopic.format_on_new(content, None)
- content["_id"] = content["name"]
+ # Removed so that the UUID is kept, to allow Project Name modification
+ # content["_id"] = content["name"]
- def check_conflict_on_del(self, session, _id, force=False):
- if _id == session["project_id"]:
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check if deletion can be done because of dependencies if it is not force. To override
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: internal _id
+ :param db_content: The database content of this item _id
+ :return: None if ok or raises EngineException with the conflict
+ """
+ if _id in session["project_id"]:
raise EngineException("You cannot delete your own project", http_code=HTTPStatus.CONFLICT)
- if force:
+ if session["force"]:
return
_filter = {"projects": _id}
if self.db.get_list("users", _filter):
raise EngineException("There is some USER that contains this project", http_code=HTTPStatus.CONFLICT)
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
if not session["admin"]:
raise EngineException("needed admin privileges", http_code=HTTPStatus.UNAUTHORIZED)
- return BaseTopic.edit(self, session, _id, indata=indata, kwargs=kwargs, force=force, content=content)
+ # Names that look like UUIDs are not allowed
+ name = (indata if indata else kwargs).get("name")
+ if is_valid_uuid(name):
+ raise EngineException("Project names that look like UUIDs are not allowed",
+ http_code=HTTPStatus.UNPROCESSABLE_ENTITY)
+ return BaseTopic.edit(self, session, _id, indata=indata, kwargs=kwargs, content=content)
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
if not session["admin"]:
raise EngineException("needed admin privileges", http_code=HTTPStatus.UNAUTHORIZED)
- return BaseTopic.new(self, rollback, session, indata=indata, kwargs=kwargs, headers=headers, force=force,
- make_public=make_public)
+ # Names that look like UUIDs are not allowed
+ name = indata["name"] if indata else kwargs["name"]
+ if is_valid_uuid(name):
+ raise EngineException("Project names that look like UUIDs are not allowed",
+ http_code=HTTPStatus.UNPROCESSABLE_ENTITY)
+ return BaseTopic.new(self, rollback, session, indata=indata, kwargs=kwargs, headers=headers)
class VimAccountTopic(BaseTopic):
schema_new = vim_account_new_schema
schema_edit = vim_account_edit_schema
vim_config_encrypted = ("admin_password", "nsx_password", "vcenter_password")
+ multiproject = True
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
- def check_conflict_on_new(self, session, indata, force=False):
+ def check_conflict_on_new(self, session, indata):
self.check_unique_name(session, indata["name"], _id=None)
- def check_conflict_on_edit(self, session, final_content, edit_content, _id, force=False):
- if not force and edit_content.get("name"):
+ def check_conflict_on_edit(self, session, final_content, edit_content, _id):
+ if not session["force"] and edit_content.get("name"):
self.check_unique_name(session, edit_content["name"], _id=_id)
# encrypt passwords
content["_admin"]["operationalState"] = "PROCESSING"
- def delete(self, session, _id, force=False, dry_run=False):
+ def delete(self, session, _id, dry_run=False):
"""
Delete item by its internal _id
- :param session: contains the used login username, working project, and admin rights
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param _id: server internal id
- :param force: indicates if deletion must be forced in case of conflict
:param dry_run: make checking but do not delete
:return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
"""
# TODO add admin to filter, validate rights
- if dry_run or force: # delete completely
- return BaseTopic.delete(self, session, _id, force, dry_run)
+ if dry_run or session["force"]: # delete completely
+ return BaseTopic.delete(self, session, _id, dry_run)
else: # if not, sent to kafka
- v = BaseTopic.delete(self, session, _id, force, dry_run=True)
+ v = BaseTopic.delete(self, session, _id, dry_run=True)
self.db.set_one("vim_accounts", {"_id": _id}, {"_admin.to_delete": True}) # TODO change status
self._send_msg("delete", {"_id": _id})
return v # TODO indicate an offline operation to return 202 ACCEPTED
+class WimAccountTopic(BaseTopic):
+ topic = "wim_accounts"
+ topic_msg = "wim_account"
+ schema_new = wim_account_new_schema
+ schema_edit = wim_account_edit_schema
+ multiproject = True
+ wim_config_encrypted = ()
+
+ def __init__(self, db, fs, msg):
+ BaseTopic.__init__(self, db, fs, msg)
+
+ def check_conflict_on_new(self, session, indata):
+ self.check_unique_name(session, indata["name"], _id=None)
+
+ def check_conflict_on_edit(self, session, final_content, edit_content, _id):
+ if not session["force"] and edit_content.get("name"):
+ self.check_unique_name(session, edit_content["name"], _id=_id)
+
+ # encrypt passwords
+ schema_version = final_content.get("schema_version")
+ if schema_version:
+ if edit_content.get("wim_password"):
+ final_content["wim_password"] = self.db.encrypt(edit_content["wim_password"],
+ schema_version=schema_version, salt=_id)
+ if edit_content.get("config"):
+ for p in self.wim_config_encrypted:
+ if edit_content["config"].get(p):
+ final_content["config"][p] = self.db.encrypt(edit_content["config"][p],
+ schema_version=schema_version, salt=_id)
+
+ def format_on_new(self, content, project_id=None, make_public=False):
+ BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public)
+ content["schema_version"] = schema_version = "1.1"
+
+ # encrypt passwords
+ if content.get("wim_password"):
+ content["wim_password"] = self.db.encrypt(content["wim_password"], schema_version=schema_version,
+ salt=content["_id"])
+ if content.get("config"):
+ for p in self.wim_config_encrypted:
+ if content["config"].get(p):
+ content["config"][p] = self.db.encrypt(content["config"][p], schema_version=schema_version,
+ salt=content["_id"])
+
+ content["_admin"]["operationalState"] = "PROCESSING"
+
+ def delete(self, session, _id, dry_run=False):
+ """
+ Delete item by its internal _id
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :param dry_run: make checking but do not delete
+ :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ """
+ # TODO add admin to filter, validate rights
+ if dry_run or session["force"]: # delete completely
+ return BaseTopic.delete(self, session, _id, dry_run)
+ else: # if not, sent to kafka
+ v = BaseTopic.delete(self, session, _id, dry_run=True)
+ self.db.set_one("wim_accounts", {"_id": _id}, {"_admin.to_delete": True}) # TODO change status
+ self._send_msg("delete", {"_id": _id})
+ return v # TODO indicate an offline operation to return 202 ACCEPTED
+
+
class SdnTopic(BaseTopic):
topic = "sdns"
topic_msg = "sdn"
schema_new = sdn_new_schema
schema_edit = sdn_edit_schema
+ multiproject = True
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
- def check_conflict_on_new(self, session, indata, force=False):
+ def check_conflict_on_new(self, session, indata):
self.check_unique_name(session, indata["name"], _id=None)
- def check_conflict_on_edit(self, session, final_content, edit_content, _id, force=False):
- if not force and edit_content.get("name"):
+ def check_conflict_on_edit(self, session, final_content, edit_content, _id):
+ if not session["force"] and edit_content.get("name"):
self.check_unique_name(session, edit_content["name"], _id=_id)
# encrypt passwords
content["_admin"]["operationalState"] = "PROCESSING"
- def delete(self, session, _id, force=False, dry_run=False):
+ def delete(self, session, _id, dry_run=False):
"""
Delete item by its internal _id
- :param session: contains the used login username, working project, and admin rights
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param _id: server internal id
- :param force: indicates if deletion must be forced in case of conflict
:param dry_run: make checking but do not delete
:return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
"""
- if dry_run or force: # delete completely
- return BaseTopic.delete(self, session, _id, force, dry_run)
+ if dry_run or session["force"]: # delete completely
+ return BaseTopic.delete(self, session, _id, dry_run)
else: # if not sent to kafka
- v = BaseTopic.delete(self, session, _id, force, dry_run=True)
+ v = BaseTopic.delete(self, session, _id, dry_run=True)
self.db.set_one("sdns", {"_id": _id}, {"_admin.to_delete": True}) # TODO change status
self._send_msg("delete", {"_id": _id})
return v # TODO indicate an offline operation to return 202 ACCEPTED
+
+
+class UserTopicAuth(UserTopic):
+ # topic = "users"
+ # topic_msg = "users"
+ schema_new = user_new_schema
+ schema_edit = user_edit_schema
+
+ def __init__(self, db, fs, msg, auth):
+ UserTopic.__init__(self, db, fs, msg)
+ self.auth = auth
+
+ def check_conflict_on_new(self, session, indata):
+ """
+ Check that the data to be inserted is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :return: None or raises EngineException
+ """
+ username = indata.get("username")
+ user_list = list(map(lambda x: x["username"], self.auth.get_user_list()))
+
+ if "projects" in indata.keys():
+ raise EngineException("Format invalid: the keyword \"projects\" is not allowed for Keystone",
+ HTTPStatus.BAD_REQUEST)
+
+ if username in user_list:
+ raise EngineException("username '{}' exists".format(username), HTTPStatus.CONFLICT)
+
+ def check_conflict_on_edit(self, session, final_content, edit_content, _id):
+ """
+ Check that the data to be edited/uploaded is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param final_content: data once modified
+ :param edit_content: incremental data that contains the modifications to apply
+ :param _id: internal _id
+ :return: None or raises EngineException
+ """
+ users = self.auth.get_user_list()
+ admin_user = [user for user in users if user["username"] == "admin"][0]
+
+ if _id == admin_user["_id"] and "project_role_mappings" in edit_content.keys():
+ elem = {
+ "project": "admin",
+ "role": "system_admin"
+ }
+ if elem not in edit_content:
+ raise EngineException("You cannot remove system_admin role from admin user",
+ http_code=HTTPStatus.FORBIDDEN)
+
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check if deletion can be done because of dependencies if it is not force. To override
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: internal _id
+ :param db_content: The database content of this item _id
+ :return: None if ok or raises EngineException with the conflict
+ """
+ if _id == session["username"]:
+ raise EngineException("You cannot delete your own user", http_code=HTTPStatus.CONFLICT)
+
+ @staticmethod
+ def format_on_new(content, project_id=None, make_public=False):
+ """
+ Modifies content descriptor to include _id.
+
+ NOTE: No password salt required because the authentication backend
+ should handle these security concerns.
+
+ :param content: descriptor to be modified
+ :param make_public: if included it is generated as public for reading.
+ :return: None, but content is modified
+ """
+ BaseTopic.format_on_new(content, make_public=False)
+ content["_id"] = content["username"]
+ content["password"] = content["password"]
+
+ @staticmethod
+ def format_on_edit(final_content, edit_content):
+ """
+ Modifies final_content descriptor to include the modified date.
+
+ NOTE: No password salt required because the authentication backend
+ should handle these security concerns.
+
+ :param final_content: final descriptor generated
+ :param edit_content: alterations to be include
+ :return: None, but final_content is modified
+ """
+ BaseTopic.format_on_edit(final_content, edit_content)
+ if "password" in edit_content:
+ final_content["password"] = edit_content["password"]
+ else:
+ final_content["project_role_mappings"] = edit_content["project_role_mappings"]
+
+ @staticmethod
+ def format_on_show(content):
+ """
+ Modifies the content of the role information to separate the role
+ metadata from the role definition.
+ """
+ project_role_mappings = []
+
+ for project in content["projects"]:
+ for role in project["roles"]:
+ project_role_mappings.append({"project": project["_id"], "role": role["_id"]})
+
+ del content["projects"]
+ content["project_role_mappings"] = project_role_mappings
+
+ return content
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
+ """
+ Creates a new entry into the authentication backend.
+
+ NOTE: Overrides BaseTopic functionality because it doesn't require access to database.
+
+ :param rollback: list to append created items at database in case a rollback may to be done
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param headers: http request headers
+ :return: _id: identity of the inserted data.
+ """
+ try:
+ content = BaseTopic._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ BaseTopic._update_input_with_kwargs(content, kwargs)
+ content = self._validate_input_new(content, session["force"])
+ self.check_conflict_on_new(session, content)
+ self.format_on_new(content, session["project_id"], make_public=session["public"])
+ _id = self.auth.create_user(content["username"], content["password"])["_id"]
+
+ if "project_role_mappings" in content.keys():
+ for mapping in content["project_role_mappings"]:
+ self.auth.assign_role_to_user(_id, mapping["project"], mapping["role"])
+
+ rollback.append({"topic": self.topic, "_id": _id})
+ del content["password"]
+ # self._send_msg("create", content)
+ return _id
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def show(self, session, _id):
+ """
+ Get complete information on an topic
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :return: dictionary, raise exception if not found.
+ """
+ users = [user for user in self.auth.get_user_list() if user["_id"] == _id]
+
+ if len(users) == 1:
+ return self.format_on_show(users[0])
+ elif len(users) > 1:
+ raise EngineException("Too many users found", HTTPStatus.CONFLICT)
+ else:
+ raise EngineException("User not found", HTTPStatus.NOT_FOUND)
+
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
+ """
+ Updates an user entry.
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id:
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param content:
+ :return: _id: identity of the inserted data.
+ """
+ indata = self._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ if kwargs:
+ BaseTopic._update_input_with_kwargs(indata, kwargs)
+ try:
+ indata = self._validate_input_edit(indata, force=session["force"])
+
+ if not content:
+ content = self.show(session, _id)
+ self.check_conflict_on_edit(session, content, indata, _id=_id)
+ self.format_on_edit(content, indata)
+
+ if "password" in content:
+ self.auth.change_password(content["username"], content["password"])
+ else:
+ user = self.show(session, _id)
+ original_mapping = user["project_role_mappings"]
+ edit_mapping = content["project_role_mappings"]
+
+ mappings_to_remove = [mapping for mapping in original_mapping
+ if mapping not in edit_mapping]
+
+ mappings_to_add = [mapping for mapping in edit_mapping
+ if mapping not in original_mapping]
+
+ for mapping in mappings_to_remove:
+ self.auth.remove_role_from_user(
+ _id,
+ mapping["project"],
+ mapping["role"]
+ )
+
+ for mapping in mappings_to_add:
+ self.auth.assign_role_to_user(
+ _id,
+ mapping["project"],
+ mapping["role"]
+ )
+
+ return content["_id"]
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def list(self, session, filter_q=None):
+ """
+ Get a list of the topic that matches a filter
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param filter_q: filter of data to be applied
+ :return: The list, it can be empty if no one match the filter.
+ """
+ if not filter_q:
+ filter_q = {}
+
+ users = [self.format_on_show(user) for user in self.auth.get_user_list(filter_q)]
+
+ return users
+
+ def delete(self, session, _id, dry_run=False):
+ """
+ Delete item by its internal _id
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :param force: indicates if deletion must be forced in case of conflict
+ :param dry_run: make checking but do not delete
+ :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ """
+ self.check_conflict_on_del(session, _id, None)
+ if not dry_run:
+ v = self.auth.delete_user(_id)
+ return v
+ return None
+
+
+class ProjectTopicAuth(ProjectTopic):
+ # topic = "projects"
+ # topic_msg = "projects"
+ schema_new = project_new_schema
+ schema_edit = project_edit_schema
+
+ def __init__(self, db, fs, msg, auth):
+ ProjectTopic.__init__(self, db, fs, msg)
+ self.auth = auth
+
+ def check_conflict_on_new(self, session, indata):
+ """
+ Check that the data to be inserted is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :return: None or raises EngineException
+ """
+ project = indata.get("name")
+ project_list = list(map(lambda x: x["name"], self.auth.get_project_list()))
+
+ if project in project_list:
+ raise EngineException("project '{}' exists".format(project), HTTPStatus.CONFLICT)
+
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check if deletion can be done because of dependencies if it is not force. To override
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: internal _id
+ :param db_content: The database content of this item _id
+ :return: None if ok or raises EngineException with the conflict
+ """
+ projects = self.auth.get_project_list()
+ current_project = [project for project in projects
+ if project["name"] in session["project_id"]][0]
+
+ if _id == current_project["_id"]:
+ raise EngineException("You cannot delete your own project", http_code=HTTPStatus.CONFLICT)
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
+ """
+ Creates a new entry into the authentication backend.
+
+ NOTE: Overrides BaseTopic functionality because it doesn't require access to database.
+
+ :param rollback: list to append created items at database in case a rollback may to be done
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param headers: http request headers
+ :return: _id: identity of the inserted data.
+ """
+ try:
+ content = BaseTopic._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ BaseTopic._update_input_with_kwargs(content, kwargs)
+ content = self._validate_input_new(content, session["force"])
+ self.check_conflict_on_new(session, content)
+ self.format_on_new(content, project_id=session["project_id"], make_public=session["public"])
+ _id = self.auth.create_project(content["name"])
+ rollback.append({"topic": self.topic, "_id": _id})
+ # self._send_msg("create", content)
+ return _id
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def show(self, session, _id):
+ """
+ Get complete information on an topic
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :return: dictionary, raise exception if not found.
+ """
+ projects = [project for project in self.auth.get_project_list() if project["_id"] == _id]
+
+ if len(projects) == 1:
+ return projects[0]
+ elif len(projects) > 1:
+ raise EngineException("Too many projects found", HTTPStatus.CONFLICT)
+ else:
+ raise EngineException("Project not found", HTTPStatus.NOT_FOUND)
+
+ def list(self, session, filter_q=None):
+ """
+ Get a list of the topic that matches a filter
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param filter_q: filter of data to be applied
+ :return: The list, it can be empty if no one match the filter.
+ """
+ if not filter_q:
+ filter_q = {}
+
+ return self.auth.get_project_list(filter_q)
+
+ def delete(self, session, _id, dry_run=False):
+ """
+ Delete item by its internal _id
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :param dry_run: make checking but do not delete
+ :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ """
+ self.check_conflict_on_del(session, _id, None)
+ if not dry_run:
+ v = self.auth.delete_project(_id)
+ return v
+ return None
+
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
+ """
+ Updates a project entry.
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id:
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param content:
+ :return: _id: identity of the inserted data.
+ """
+ indata = self._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ if kwargs:
+ BaseTopic._update_input_with_kwargs(indata, kwargs)
+ try:
+ indata = self._validate_input_edit(indata, force=session["force"])
+
+ if not content:
+ content = self.show(session, _id)
+ self.check_conflict_on_edit(session, content, indata, _id=_id)
+ self.format_on_edit(content, indata)
+
+ if "name" in indata:
+ self.auth.update_project(content["_id"], indata["name"])
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+
+class RoleTopicAuth(BaseTopic):
+ topic = "roles_operations"
+ topic_msg = "roles"
+ schema_new = roles_new_schema
+ schema_edit = roles_edit_schema
+ multiproject = False
+
+ def __init__(self, db, fs, msg, auth, ops):
+ BaseTopic.__init__(self, db, fs, msg)
+ self.auth = auth
+ self.operations = ops
+
+ @staticmethod
+ def validate_role_definition(operations, role_definitions):
+ """
+ Validates the role definition against the operations defined in
+ the resources to operations files.
+
+ :param operations: operations list
+ :param role_definitions: role definition to test
+ :return: None if ok, raises ValidationError exception on error
+ """
+ ignore_fields = ["_id", "_admin", "name"]
+ for role_def in role_definitions.keys():
+ if role_def in ignore_fields:
+ continue
+ if role_def == "root":
+ if isinstance(role_definitions[role_def], bool):
+ continue
+ else:
+ raise ValidationError("Operation authorization \".\" should be True/False.")
+ if role_def[-1] == ":":
+ raise ValidationError("Operation cannot end with \".\"")
+
+ role_def_matches = [op for op in operations if op.startswith(role_def)]
+
+ if len(role_def_matches) == 0:
+ raise ValidationError("No matching operation found.")
+
+ if not isinstance(role_definitions[role_def], bool):
+ raise ValidationError("Operation authorization {} should be True/False.".format(role_def))
+
+ def _validate_input_new(self, input, force=False):
+ """
+ Validates input user content for a new entry.
+
+ :param input: user input content for the new topic
+ :param force: may be used for being more tolerant
+ :return: The same input content, or a changed version of it.
+ """
+ if self.schema_new:
+ validate_input(input, self.schema_new)
+ self.validate_role_definition(self.operations, input)
+
+ return input
+
+ def _validate_input_edit(self, input, force=False):
+ """
+ Validates input user content for updating an entry.
+
+ :param input: user input content for the new topic
+ :param force: may be used for being more tolerant
+ :return: The same input content, or a changed version of it.
+ """
+ if self.schema_edit:
+ validate_input(input, self.schema_edit)
+ self.validate_role_definition(self.operations, input)
+
+ return input
+
+ def check_conflict_on_new(self, session, indata):
+ """
+ Check that the data to be inserted is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :return: None or raises EngineException
+ """
+ role = indata.get("name")
+ role_list = list(map(lambda x: x["name"], self.auth.get_role_list()))
+
+ if role in role_list:
+ raise EngineException("role '{}' exists".format(role), HTTPStatus.CONFLICT)
+
+ def check_conflict_on_edit(self, session, final_content, edit_content, _id):
+ """
+ Check that the data to be edited/uploaded is valid
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param final_content: data once modified
+ :param edit_content: incremental data that contains the modifications to apply
+ :param _id: internal _id
+ :return: None or raises EngineException
+ """
+ roles = self.auth.get_role_list()
+ system_admin_role = [role for role in roles
+ if role["name"] == "system_admin"][0]
+
+ if _id == system_admin_role["_id"]:
+ raise EngineException("You cannot edit system_admin role", http_code=HTTPStatus.FORBIDDEN)
+
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check if deletion can be done because of dependencies if it is not force. To override
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: internal _id
+ :param db_content: The database content of this item _id
+ :return: None if ok or raises EngineException with the conflict
+ """
+ roles = self.auth.get_role_list()
+ system_admin_role = [role for role in roles
+ if role["name"] == "system_admin"][0]
+
+ if _id == system_admin_role["_id"]:
+ raise EngineException("You cannot delete system_admin role", http_code=HTTPStatus.FORBIDDEN)
+
+ @staticmethod
+ def format_on_new(content, project_id=None, make_public=False):
+ """
+ Modifies content descriptor to include _admin
+
+ :param content: descriptor to be modified
+ :param project_id: if included, it add project read/write permissions
+ :param make_public: if included it is generated as public for reading.
+ :return: None, but content is modified
+ """
+ now = time()
+ if "_admin" not in content:
+ content["_admin"] = {}
+ if not content["_admin"].get("created"):
+ content["_admin"]["created"] = now
+ content["_admin"]["modified"] = now
+
+ if ":" in content.keys():
+ content["root"] = content[":"]
+ del content[":"]
+
+ if "root" not in content.keys():
+ content["root"] = False
+
+ @staticmethod
+ def format_on_edit(final_content, edit_content):
+ """
+ Modifies final_content descriptor to include the modified date.
+
+ :param final_content: final descriptor generated
+ :param edit_content: alterations to be include
+ :return: None, but final_content is modified
+ """
+ final_content["_admin"]["modified"] = time()
+
+ ignore_fields = ["_id", "name", "_admin"]
+ delete_keys = [key for key in final_content.keys() if key not in ignore_fields]
+
+ for key in delete_keys:
+ del final_content[key]
+
+ # Saving the role definition
+ for role_def, value in edit_content.items():
+ final_content[role_def] = value
+
+ if ":" in final_content.keys():
+ final_content["root"] = final_content[":"]
+ del final_content[":"]
+
+ if "root" not in final_content.keys():
+ final_content["root"] = False
+
+ @staticmethod
+ def format_on_show(content):
+ """
+ Modifies the content of the role information to separate the role
+ metadata from the role definition. Eases the reading process of the
+ role definition.
+
+ :param definition: role definition to be processed
+ """
+ content["_id"] = str(content["_id"])
+
+ def show(self, session, _id):
+ """
+ Get complete information on an topic
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :return: dictionary, raise exception if not found.
+ """
+ filter_db = {"_id": _id}
+
+ role = self.db.get_one(self.topic, filter_db)
+ new_role = dict(role)
+ self.format_on_show(new_role)
+
+ return new_role
+
+ def list(self, session, filter_q=None):
+ """
+ Get a list of the topic that matches a filter
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param filter_q: filter of data to be applied
+ :return: The list, it can be empty if no one match the filter.
+ """
+ if not filter_q:
+ filter_q = {}
+
+ if ":" in filter_q:
+ filter_q["root"] = filter_q[":"]
+
+ for key in filter_q.keys():
+ if key == "name":
+ continue
+ filter_q[key] = filter_q[key] in ["True", "true"]
+
+ roles = self.db.get_list(self.topic, filter_q)
+ new_roles = []
+
+ for role in roles:
+ new_role = dict(role)
+ self.format_on_show(new_role)
+ new_roles.append(new_role)
+
+ return new_roles
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
+ """
+ Creates a new entry into database.
+
+ :param rollback: list to append created items at database in case a rollback may to be done
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param headers: http request headers
+ :return: _id: identity of the inserted data.
+ """
+ try:
+ content = BaseTopic._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ BaseTopic._update_input_with_kwargs(content, kwargs)
+ content = self._validate_input_new(content, session["force"])
+ self.check_conflict_on_new(session, content)
+ self.format_on_new(content, project_id=session["project_id"], make_public=session["public"])
+ role_name = content["name"]
+ role = self.auth.create_role(role_name)
+ content["_id"] = role["_id"]
+ _id = self.db.create(self.topic, content)
+ rollback.append({"topic": self.topic, "_id": _id})
+ # self._send_msg("create", content)
+ return _id
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def delete(self, session, _id, dry_run=False):
+ """
+ Delete item by its internal _id
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :param dry_run: make checking but do not delete
+ :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ """
+ self.check_conflict_on_del(session, _id, None)
+ filter_q = {"_id": _id}
+ if not dry_run:
+ self.auth.delete_role(_id)
+ v = self.db.del_one(self.topic, filter_q)
+ return v
+ return None
+
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
+ """
+ Updates a role entry.
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id:
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param content:
+ :return: _id: identity of the inserted data.
+ """
+ indata = self._remove_envelop(indata)
+
+ # Override descriptor with query string kwargs
+ if kwargs:
+ self._update_input_with_kwargs(indata, kwargs)
+ try:
+ indata = self._validate_input_edit(indata, force=session["force"])
+
+ if not content:
+ content = self.show(session, _id)
+ self.check_conflict_on_edit(session, content, indata, _id=_id)
+ self.format_on_edit(content, indata)
+ self.db.replace(self.topic, _id, content)
+ return id
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)