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# -*- 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 base_topic import BaseTopic, EngineException
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
class UserTopic(BaseTopic):
topic = "users"
topic_msg = "users"
schema_new = user_new_schema
schema_edit = user_edit_schema
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
@staticmethod
def _get_project_filter(session, write=False, show_all=True):
"""
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
:return:
"""
if session["admin"]: # allows all
return {}
else:
return {"username": session["username"]}
def check_conflict_on_new(self, session, indata, force=False):
# 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)
def check_conflict_on_del(self, session, _id, force=False):
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"]
salt = uuid4().hex
content["_admin"]["salt"] = salt
if content.get("password"):
content["password"] = sha256(content["password"].encode('utf-8') + salt.encode('utf-8')).hexdigest()
@staticmethod
def format_on_edit(final_content, edit_content):
BaseTopic.format_on_edit(final_content, edit_content)
if edit_content.get("password"):
salt = uuid4().hex
final_content["_admin"]["salt"] = salt
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):
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)
def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
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)
class ProjectTopic(BaseTopic):
topic = "projects"
topic_msg = "projects"
schema_new = project_new_schema
schema_edit = project_edit_schema
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
def check_conflict_on_new(self, session, indata, force=False):
if not indata.get("name"):
raise EngineException("missing 'name'")
# check name not exists
if self.db.get_one(self.topic, {"name": indata.get("name")}, fail_on_empty=False, fail_on_more=False):
raise EngineException("name '{}' exists".format(indata["name"]), HTTPStatus.CONFLICT)
@staticmethod
def format_on_new(content, project_id=None, make_public=False):
BaseTopic.format_on_new(content, None)
content["_id"] = content["name"]
def check_conflict_on_del(self, session, _id, force=False):
if _id == session["project_id"]:
raise EngineException("You cannot delete your own project", http_code=HTTPStatus.CONFLICT)
if 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):
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)
def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
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)
class VimAccountTopic(BaseTopic):
topic = "vim_accounts"
topic_msg = "vim_account"
schema_new = vim_account_new_schema
schema_edit = vim_account_edit_schema
vim_config_encrypted = ("admin_password", "nsx_password", "vcenter_password")
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
def check_conflict_on_new(self, session, indata, force=False):
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"):
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("vim_password"):
final_content["vim_password"] = self.db.encrypt(edit_content["vim_password"],
schema_version=schema_version, salt=_id)
if edit_content.get("config"):
for p in self.vim_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("vim_password"):
content["vim_password"] = self.db.encrypt(content["vim_password"], schema_version=schema_version,
salt=content["_id"])
if content.get("config"):
for p in self.vim_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, force=False, dry_run=False):
"""
Delete item by its internal _id
:param session: contains the used login username, working project, and admin rights
: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)
else: # if not, sent to kafka
v = BaseTopic.delete(self, session, _id, force, 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
wim_config_encrypted = ()
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
def check_conflict_on_new(self, session, indata, force=False):
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"):
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, force=False, dry_run=False):
"""
Delete item by its internal _id
:param session: contains the used login username, working project, and admin rights
: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)
else: # if not, sent to kafka
v = BaseTopic.delete(self, session, _id, force, 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
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
def check_conflict_on_new(self, session, indata, force=False):
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"):
self.check_unique_name(session, edit_content["name"], _id=_id)
# encrypt passwords
schema_version = final_content.get("schema_version")
if schema_version and edit_content.get("password"):
final_content["password"] = self.db.encrypt(edit_content["password"], 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("password"):
content["password"] = self.db.encrypt(content["password"], schema_version=schema_version,
salt=content["_id"])
content["_admin"]["operationalState"] = "PROCESSING"
def delete(self, session, _id, force=False, dry_run=False):
"""
Delete item by its internal _id
:param session: contains the used login username, working project, and admin rights
: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)
else: # if not sent to kafka
v = BaseTopic.delete(self, session, _id, force, 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, force=False):
"""
Check that the data to be inserted is valid
:param session: contains "username", if user is "admin" and the working "project_id"
:param indata: data to be inserted
:param force: boolean. With force it is more tolerant
:return: None or raises EngineException
"""
username = indata.get("username")
user_list = list(map(lambda x: x["username"], self.auth.get_user_list()))
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, force=False):
"""
Check that the data to be edited/uploaded is valid
:param session: contains "username", if user is "admin" and the working "project_id"
:param final_content: data once modified
:param edit_content: incremental data that contains the modifications to apply
:param _id: internal _id
:param force: boolean. With force it is more tolerant
:return: None or raises EngineException
"""
users = self.auth.get_user_list()
admin_user = [user for user in users if user["name"] == "admin"][0]
if _id == admin_user["_id"] and edit_content["project_role_mappings"]:
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, force=False):
"""
Check if deletion can be done because of dependencies if it is not force. To override
:param session: contains "username", if user is "admin" and the working "project_id"
:param _id: internal _id
:param force: Avoid this checking
: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"]
def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
"""
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 the used login username and working project
:param indata: data to be inserted
:param kwargs: used to override the indata descriptor
:param headers: http request headers
:param force: If True avoid some dependence checks
:param make_public: Make the created item public to all projects
: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, force)
self.check_conflict_on_new(session, content, force=force)
self.format_on_new(content, project_id=session["project_id"], make_public=make_public)
_id = self.auth.create_user(content["username"], content["password"])
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 the used login username and working 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 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, force=False, content=None):
"""
Updates an user entry.
:param session: contains the used login username and working project
:param _id:
:param indata: data to be inserted
:param kwargs: used to override the indata descriptor
:param force: If True avoid some dependence checks
: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=force)
if not content:
content = self.show(session, _id)
self.check_conflict_on_edit(session, content, indata, _id=_id, force=force)
self.format_on_edit(content, indata)
if "password" in content:
self.auth.change_password(content["name"], content["password"])
else:
users = self.auth.get_user_list()
user = [user for user in users if user["_id"] == content["_id"]][0]
original_mapping = []
edit_mapping = content["project_role_mappings"]
for project in user["projects"]:
for role in project["roles"]:
original_mapping += {
"project": project["name"],
"role": role["name"]
}
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(
user["name"],
mapping["project"],
mapping["role"]
)
for mapping in mappings_to_add:
self.auth.assign_role_to_user(
user["name"],
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 the used login username and working project
:param filter_q: filter of data to be applied
:return: The list, it can be empty if no one match the filter.
"""
return self.auth.get_user_list()
def delete(self, session, _id, force=False, dry_run=False):
"""
Delete item by its internal _id
:param session: contains the used login username, working project, and admin rights
: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, force)
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, force=False):
"""
Check that the data to be inserted is valid
:param session: contains "username", if user is "admin" and the working "project_id"
:param indata: data to be inserted
:param force: boolean. With force it is more tolerant
: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, force=False):
"""
Check if deletion can be done because of dependencies if it is not force. To override
:param session: contains "username", if user is "admin" and the working "project_id"
:param _id: internal _id
:param force: Avoid this checking
: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"] == 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, force=False, make_public=False):
"""
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 the used login username and working project
:param indata: data to be inserted
:param kwargs: used to override the indata descriptor
:param headers: http request headers
:param force: If True avoid some dependence checks
:param make_public: Make the created item public to all projects
: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, force)
self.check_conflict_on_new(session, content, force=force)
self.format_on_new(content, project_id=session["project_id"], make_public=make_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 the used login username and working 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 the used login username and working project
:param filter_q: filter of data to be applied
:return: The list, it can be empty if no one match the filter.
"""
return self.auth.get_project_list()
def delete(self, session, _id, force=False, dry_run=False):
"""
Delete item by its internal _id
:param session: contains the used login username, working project, and admin rights
: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, force)
if not dry_run:
v = self.auth.delete_project(_id)
return v
return None
class RoleTopicAuth(BaseTopic):
topic = "roles_operations"
topic_msg = "roles"
schema_new = roles_new_schema
schema_edit = roles_edit_schema
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
"""
for role_def in role_definitions.keys():
if role_def == ".":
continue
if role_def[-1] == ".":
raise ValidationError("Operation cannot end with \".\"")
role_def_matches = [op for op in operations if op.starswith(role_def)]
if len(role_def_matches) == 0:
raise ValidationError("No matching operation found.")
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)
if "definition" in input and input["definition"]:
self.validate_role_definition(self.operations, input["definition"])
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)
if "definition" in input and input["definition"]:
self.validate_role_definition(self.operations, input["definition"])
return input
def check_conflict_on_new(self, session, indata, force=False):
"""
Check that the data to be inserted is valid
:param session: contains "username", if user is "admin" and the working "project_id"
:param indata: data to be inserted
:param force: boolean. With force it is more tolerant
: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, force=False):
"""
Check that the data to be edited/uploaded is valid
:param session: contains "username", if user is "admin" and the working "project_id"
:param final_content: data once modified
:param edit_content: incremental data that contains the modifications to apply
:param _id: internal _id
:param force: boolean. With force it is more tolerant
:return: None or raises EngineException
"""
roles = self.auth.get_role_list()
system_admin_role = [role for role in roles
if roles["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, force=False):
"""
Check if deletion can be done because of dependencies if it is not force. To override
:param session: contains "username", if user is "admin" and the working "project_id"
:param _id: internal _id
:param force: Avoid this checking
: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 roles["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
content["root"] = False
# Saving the role definition
if "definition" in content and content["definition"]:
for role_def, value in content["definition"].items():
if role_def == ".":
content["root"] = value
else:
content[role_def.replace(".", ":")] = value
# Cleaning undesired values
if "definition" in content:
del content["definition"]
@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
if "definition" in edit_content and edit_content["definition"]:
for role_def, value in edit_content["definition"].items():
if role_def == ".":
final_content["root"] = value
else:
final_content[role_def.replace(".", ":")] = value
if "root" not in final_content:
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
"""
ignore_fields = ["_admin", "_id", "name", "root"]
content_keys = list(content.keys())
definition = dict(content)
for key in content_keys:
if key in ignore_fields:
del definition[key]
if ":" not in key:
del content[key]
continue
definition[key.replace(":", ".")] = definition[key]
del definition[key]
del content[key]
content["definition"] = definition
def show(self, session, _id):
"""
Get complete information on an topic
:param session: contains the used login username and working project
:param _id: server internal id
:return: dictionary, raise exception if not found.
"""
filter_db = self._get_project_filter(session, write=False, show_all=True)
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 the used login username and working 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 = {}
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, force=False, make_public=False):
"""
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 the used login username and working project
:param indata: data to be inserted
:param kwargs: used to override the indata descriptor
:param headers: http request headers
:param force: If True avoid some dependence checks
:param make_public: Make the created item public to all projects
: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, force)
self.check_conflict_on_new(session, content, force=force)
self.format_on_new(content, project_id=session["project_id"], make_public=make_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, force=False, dry_run=False):
"""
Delete item by its internal _id
:param session: contains the used login username, working project, and admin rights
: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, force)
filter_q = self._get_project_filter(session, write=True, show_all=True)
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, force=False, content=None):
"""
Updates a role entry.
:param session: contains the used login username and working project
:param _id:
:param indata: data to be inserted
:param kwargs: used to override the indata descriptor
:param force: If True avoid some dependence checks
: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=force)
if not content:
content = self.show(session, _id)
self.check_conflict_on_edit(session, content, indata, _id=_id, force=force)
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)