skyline-apiserver/skyline_apiserver/api/v1/policy.py
Michal Arbet eea81cef1e Fix skyline-apiserver on python3.11
Bump pydantic version which fixes skyline-apiserver
when running under python3.11.

Closes-Bug: #2047145
Change-Id: Idb1897f64ffaf0cd0fbee4f7f198935386a5f599
2024-04-08 17:11:16 +08:00

194 lines
7.2 KiB
Python

# Copyright 2021 99cloud
#
# 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.
from __future__ import annotations
from typing import Dict, List
from fastapi import APIRouter, Depends, HTTPException, status
from keystoneauth1.exceptions.http import (
InternalServerError as KeystoneInternalServerError,
Unauthorized as KeystoneUnauthorized,
)
from skyline_apiserver import schemas
from skyline_apiserver.api import deps
from skyline_apiserver.client.utils import generate_session, get_access, get_system_scope_access
from skyline_apiserver.config import CONF
from skyline_apiserver.log import LOG
from skyline_apiserver.policy import ENFORCER, UserContext
from skyline_apiserver.types import constants
router = APIRouter()
def _generate_target(profile: schemas.Profile) -> Dict[str, str]:
return {
"user_id": profile.user.id,
"project_id": profile.project.id,
# oslo policy
"enforce_new_defaults": CONF.openstack.enforce_new_defaults,
# trove
"tenant": profile.project.id,
# keystone
"trust.trustor_user_id": profile.user.id,
"target.user.id": profile.user.id,
"target.user.domain_id": profile.user.domain.id,
"target.project.domain_id": profile.project.domain.id,
"target.project.id": profile.project.id,
"target.trust.trustor_user_id": profile.user.id,
"target.trust.trustee_user_id": profile.user.id,
"target.token.user_id": profile.user.id,
"target.domain.id": profile.project.domain.id,
"target.domain_id": profile.project.domain.id,
"target.credential.user_id": profile.user.id,
"target.role.domain_id": profile.project.domain.id,
"target.group.domain_id": profile.project.domain.id,
"target.limit.domain.id": profile.project.domain.id,
"target.limit.project_id": profile.project.domain.id,
"target.limit.project.domain_id": profile.project.domain.id,
# barbican
"target.container.project_id": profile.project.id,
"target.secret.project_id": profile.project.id,
"target.order.project_id": profile.project.id,
"target.secret.creator_id": profile.user.id,
# ironic
"allocation.owner": profile.project.id,
"node.lessee": profile.project.id,
"node.owner": profile.project.id,
# glance
"member_id": profile.project.id,
"owner": profile.project.id,
# cinder
"domain_id": profile.project.domain.id,
}
@router.get(
"/policies",
description="List policies and permissions",
responses={
200: {"model": schemas.Policies},
401: {"model": schemas.UnauthorizedMessage},
500: {"model": schemas.InternalServerErrorMessage},
},
response_model=schemas.Policies,
status_code=status.HTTP_200_OK,
response_description="OK",
)
async def list_policies(
profile: schemas.Profile = Depends(deps.get_profile_update_jwt),
) -> schemas.Policies:
session = await generate_session(profile)
access = await get_access(session)
user_context = UserContext(access)
try:
system_scope_access = await get_system_scope_access(
profile.keystone_token, profile.region
)
user_context["system_scope"] = (
"all"
if getattr(system_scope_access, "system")
and getattr(system_scope_access, "system", {}).get("all", False)
else user_context["system_scope"]
)
except KeystoneUnauthorized:
# User is not authorized to access the system scope. So just ignore the
# exception and use the user_context as is.
LOG.debug("Keystone token is invalid. No privilege to access system scope.")
except KeystoneInternalServerError:
# Keystone is not reachable. So just ignore the exception and use the
# user_context as is.
LOG.debug("Keystone is not reachable. No privilege to access system scope.")
target = _generate_target(profile)
results: List = []
services = constants.SUPPORTED_SERVICE_EPS.keys()
for service in services:
try:
enforcer = ENFORCER[service]
result = [
{
"rule": f"{service}:{rule}",
"allowed": enforcer.authorize(rule, target, user_context),
}
for rule in enforcer.rules
]
results.extend(result)
except Exception:
msg = "An error occurred when calling %(service)s enforcer." % {
"service": str(service)
}
LOG.warning(msg)
return schemas.Policies(**{"policies": results})
@router.post(
"/policies/check",
description="Check policies permissions",
responses={
200: {"model": schemas.Policies},
401: {"model": schemas.UnauthorizedMessage},
403: {"model": schemas.ForbiddenMessage},
500: {"model": schemas.InternalServerErrorMessage},
},
response_model=schemas.Policies,
status_code=status.HTTP_200_OK,
response_description="OK",
)
async def check_policies(
policy_rules: schemas.PoliciesRules,
profile: schemas.Profile = Depends(deps.get_profile_update_jwt),
) -> schemas.Policies:
session = await generate_session(profile)
access = await get_access(session)
user_context = UserContext(access)
try:
system_scope_access = await get_system_scope_access(
profile.keystone_token, profile.region
)
user_context["system_scope"] = (
"all"
if getattr(system_scope_access, "system")
and getattr(system_scope_access, "system", {}).get("all", False)
else user_context["system_scope"]
)
except KeystoneUnauthorized:
# User is not authorized to access the system scope. So just ignore the
# exception and use the user_context as is.
LOG.debug("Keystone token is invalid. No privilege to access system scope.")
except KeystoneInternalServerError:
# Keystone is not reachable. So just ignore the exception and use the
# user_context as is.
LOG.debug("Keystone is not reachable. No privilege to access system scope.")
target = _generate_target(profile)
target.update(policy_rules.target if policy_rules.target else {})
try:
result: List = []
for policy_rule in policy_rules.rules:
service = policy_rule.split(":", 1)[0]
rule = policy_rule.split(":", 1)[1]
enforcer = ENFORCER[service]
result.append(
{"rule": policy_rule, "allowed": enforcer.authorize(rule, target, user_context)}
)
except Exception as e:
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN,
detail=str(e),
)
return schemas.Policies(**{"policies": result})