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added permission checks to user and recorder API

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This commit is contained in:
Tobias Kurze
2020-08-06 15:23:14 +02:00
parent 82b3e78488
commit 437cec38e0
6 changed files with 59 additions and 24 deletions
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4
backend/__init__.py
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@@ -4,6 +4,7 @@ Backend base module
"""
import logging
import os
from functools import wraps
from io import StringIO
from logging.config import dictConfig
from logging.handlers import MemoryHandler
@@ -14,7 +15,7 @@ import jwt
import requests
from flask import Flask, jsonify, abort
from flask_httpauth import HTTPTokenAuth, HTTPBasicAuth, MultiAuth
from flask_jwt_extended import JWTManager, decode_token
from flask_jwt_extended import JWTManager, decode_token, get_jwt_identity
from flask_login import LoginManager
from flask_sqlalchemy import SQLAlchemy
from flask_cors import CORS
@@ -179,6 +180,7 @@ CORS(auth_api_bp)
logging.getLogger('flask_cors').level = logging.DEBUG
# Fix jwt_extended by 'duck typing' error handlers
# jwt_extended._set_error_handler_callbacks(api_v1) # removed for the moment, might raise new (old) problems

12
backend/api/recorder_api.py
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@@ -9,9 +9,10 @@ from pprint import pprint
from flask_jwt_extended import jwt_required
from flask_restx import fields, Resource, inputs
from backend import db, app, LrcException
from backend import db, app, LrcException, Config
from backend.api import api_recorder
from backend.api.models import recorder_model, recorder_model_model, recorder_command_model
from backend.auth.utils import requires_permission_level
from backend.models.recorder_model import Recorder, RecorderModel, RecorderCommand
from backend.models.room_model import Room
import backend.recorder_adapters as r_a
@@ -25,6 +26,7 @@ logger = logging.getLogger("lrc.api.recorder")
@api_recorder.param('id', 'The recorder identifier')
class RecorderResource(Resource):
@jwt_required
@requires_permission_level(Config.Permissions.RECODER_SHOW)
@api_recorder.doc('get_recorder')
@api_recorder.marshal_with(recorder_model, skip_none=False)
def get(self, id):
@@ -35,6 +37,7 @@ class RecorderResource(Resource):
api_recorder.abort(404)
@jwt_required
@requires_permission_level(Config.Permissions.RECORDER_DELETE)
@api_recorder.doc('delete_todo')
@api_recorder.response(204, 'Todo deleted')
def delete(self, id):
@@ -65,6 +68,7 @@ class RecorderResource(Resource):
required=False, store_missing=False)
@jwt_required
@requires_permission_level(Config.Permissions.RECORDER_EDIT)
@api_recorder.doc('update_recorder')
@api_recorder.expect(recorder_model)
def put(self, id):
@@ -85,6 +89,7 @@ class RecorderResource(Resource):
@api_recorder.route('')
class RecorderList(Resource):
@jwt_required
@requires_permission_level(Config.Permissions.RECORDERS_LIST)
@api_recorder.doc('recorders')
@api_recorder.marshal_list_with(recorder_model, skip_none=False)
def get(self):
@@ -95,6 +100,7 @@ class RecorderList(Resource):
return Recorder.get_all()
@jwt_required
@requires_permission_level(Config.Permissions.RECODER_NEW)
@api_recorder.doc('create_recorder')
@api_recorder.expect(recorder_model)
@api_recorder.marshal_with(recorder_model, skip_none=False, code=201)
@@ -161,6 +167,7 @@ class RecorderModelResource(Resource):
@api_recorder.route('/model')
class RecorderModelList(Resource):
@jwt_required
@requires_permission_level(Config.Permissions.RECODER_MODELS_LIST)
@api_recorder.doc('recorders')
@api_recorder.marshal_list_with(recorder_model_model)
def get(self):
@@ -172,6 +179,7 @@ class RecorderModelList(Resource):
@api_recorder.param('id', 'The recorder command identifier')
class RecorderCommandResource(Resource):
@jwt_required
@requires_permission_level(Config.Permissions.RECORDER_COMMAND_SHOW)
@api_recorder.doc('get_recorder_command')
@api_recorder.marshal_with(recorder_command_model)
def get(self, id):
@@ -186,6 +194,7 @@ class RecorderCommandResource(Resource):
recorder_command_model_parser.add_argument('alternative_name', type=str, required=False)
@jwt_required
@requires_permission_level(Config.Permissions.RECORDER_COMMAND_EDIT)
@api_recorder.doc('update_recorder_command')
@api_recorder.expect(recorder_command_model_parser)
@api_recorder.marshal_with(recorder_command_model)
@@ -201,6 +210,7 @@ class RecorderCommandResource(Resource):
@api_recorder.route('/command')
class RecorderCommandList(Resource):
@jwt_required
@requires_permission_level(Config.Permissions.RECORDER_COMMANDS_LIST)
@api_recorder.doc('recorder_commands')
@api_recorder.marshal_list_with(recorder_command_model)
def get(self):

22
backend/api/user_api.py
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@@ -14,7 +14,8 @@ from flask_restx import Resource, fields, inputs, abort
from backend import db, app, jwt_auth
from backend.api import api_user
from backend.api.models import user_model, recorder_model, generic_id_parser
from backend.models import Recorder
from backend.auth.utils import requires_permission_level
from backend.models import Recorder, Config
from backend.models.user_model import User, Group
@@ -90,18 +91,20 @@ class UserList(Resource):
# @jwt_auth.login_required
@jwt_required
@requires_permission_level(Config.Permissions.USERS_LIST)
@api_user.doc('users')
@api_user.marshal_list_with(user_model)
def get(self):
"""
just a test!
:return: Hello: World
returns all users
:return: all users
"""
current_user = get_jwt_identity()
app.logger.info(current_user)
return User.get_all()
@jwt_required
@requires_permission_level(Config.Permissions.USER_CREATE)
@api_user.doc('create_group')
@api_user.expect(user_model)
@api_user.marshal_with(user_model, code=201)
@@ -117,6 +120,7 @@ class UserList(Resource):
@api_user.response(404, 'User not found')
class UserResource(Resource):
@jwt_auth.login_required
@requires_permission_level(Config.Permissions.USER_SHOW)
@api_user.doc('get_user')
@api_user.marshal_with(user_model)
def get(self, id):
@@ -126,4 +130,16 @@ class UserResource(Resource):
return user
api_user.abort(404)
@jwt_auth.login_required
@requires_permission_level(Config.Permissions.USER_DELETE)
@api_user.doc('delete_user')
def delete(self, id):
"""Fetch a user given its identifier"""
user = User.get_by_id(id)
if user is not None:
db.session.delete(user)
db.session.commit()
return "ok"
api_user.abort(404)
# api_user.add_resource(UserResource, '/')

30
backend/auth/utils.py
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@@ -2,6 +2,8 @@ import flask_jwt_extended
from flask_jwt_extended import jwt_optional, get_jwt_identity
from functools import wraps
from flask_restx import abort
from backend import jwt_auth
from backend.models.user_model import User
@@ -10,26 +12,16 @@ def requires_permission_level(permission_level):
def decorator(f):
@wraps(f)
def decorated_function(*args, **kwargs):
if flask_jwt_extended.verify_jwt_in_request():
current_user_id = get_jwt_identity()
user = User.get_by_identifier(current_user_id)
if user is not None:
if user.has_permission(permission_level):
#for g in user.groups:
# if g.permissions
#TODO
pass
else:
pass
# return FALSE
#if not session.get('email'):
# return redirect(url_for('users.login'))
#user = User.find_by_email(session['email'])
#elif not user.allowed(access_level):
# return redirect(url_for('users.profile', message="You do not have access to that page. Sorry!"))
# if flask_jwt_extended.verify_jwt_in_request():
current_user_id = get_jwt_identity()
user = User.get_by_identifier(current_user_id)
if user is not None:
if not user.has_permission(permission_level):
abort(401, f"You are missing the permission: {permission_level}")
return f(*args, **kwargs)
return decorated_function
return decorator
@@ -38,5 +30,7 @@ def require_jwt():
@wraps(f)
def decorated_function(*args, **kwargs):
return jwt_auth.login_required(jwt_optional(f(*args, **kwargs)))
return decorated_function
return decorator

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backend/config.py
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15
backend/models/user_model.py
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@@ -3,6 +3,7 @@
Example user model and related models
"""
import json
from enum import Enum
import sqlalchemy
from sqlalchemy.orm import relation, validates
@@ -253,12 +254,24 @@ class User(UserMixin, db.Model):
@property
def effective_permissions(self):
permissions = Config.ROLE_PERMISSION_MAPPINGS.get(self.role, set())
role_permissions = Config.ROLE_PERMISSION_MAPPINGS.get(self.role, set())
permissions = set(Permission.query.filter(Permission.name.in_(role_permissions)).all())
for g in self.groups:
for p in g.permissions:
permissions.add(p)
return permissions
def has_permission(self, permission):
user_permissions = self.effective_permissions
if isinstance(permission, str):
return any([user_permission.name == permission for user_permission in user_permissions])
if isinstance(permission, Permission):
return any([user_permission.id == permission.id for user_permission in user_permissions])
if isinstance(permission, Enum):
return any([user_permission.name == str(permission.value) for user_permission in user_permissions])
return False
@staticmethod
def decode_auth_token(auth_token):
"""