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FastAPI-User-Auth is a simple and powerful FastAPI user RBAC authentication and authorization library. Based on FastAPI-Amis-Admin and provides a freely extensible visual management interface.

Project description

项目介绍

FastAPI-User-Auth

FastAPI-User-Auth是一个简单而强大的FastAPI用户RBAC认证与授权库.
基于FastAPI-Amis-Admin并提供可自由拓展的可视化管理界面.

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FastAPI-User-Auth是一个基于 FastAPI-Amis-Admin 的应用插件,与FastAPI-Amis-Admin深度结合,为其提供用户认证与授权.

安装

pip install fastapi-user-auth

简单示例

from fastapi import FastAPI
from fastapi_amis_admin.amis_admin.settings import Settings
from fastapi_user_auth.site import AuthAdminSite
from starlette.requests import Request

# 创建FastAPI应用
app = FastAPI()

# 创建AdminSite实例
site = AuthAdminSite(settings=Settings(database_url_async='sqlite+aiosqlite:///admisadmin.db'))
auth = site.auth
# 挂载后台管理系统
site.mount_app(app)

# 创建初始化数据库表
@app.on_event("startup")
async def startup():
    await site.create_db_and_tables()
    # 创建默认测试用户, 请及时修改密码!!!
    await auth.create_role_user('admin')
    await auth.create_role_user('vip')

# 要求: 用户必须登录
@app.get("/auth/get_user")
@auth.requires()
def get_user(request: Request):
    return request.user

if __name__ == '__main__':
    import uvicorn
    uvicorn.run(app, debug=True)

验证方式

装饰器

  • 推荐场景: 单个路由.支持同步/异步路由.
# 要求: 用户必须登录
@app.get("/auth/user")
@auth.requires()
def user(request: Request):
    return request.user  # 当前请求用户对象.


# 验证路由: 用户拥有admin角色
@app.get("/auth/admin_roles")
@auth.requires('admin')
def admin_roles(request: Request):
    return request.user


# 要求: 用户拥有vip角色
# 支持同步/异步路由
@app.get("/auth/vip_roles")
@auth.requires(['vip'])
async def vip_roles(request: Request):
    return request.user


# 要求: 用户拥有admin角色 或 vip角色
@app.get("/auth/admin_or_vip_roles")
@auth.requires(roles=['admin', 'vip'])
def admin_or_vip_roles(request: Request):
    return request.user


# 要求: 用户属于admin用户组
@app.get("/auth/admin_groups")
@auth.requires(groups=['admin'])
def admin_groups(request: Request):
    return request.user


# 要求: 用户拥有admin角色 且 属于admin用户组
@app.get("/auth/admin_roles_and_admin_groups")
@auth.requires(roles=['admin'], groups=['admin'])
def admin_roles_and_admin_groups(request: Request):
    return request.user


# 要求: 用户拥有vip角色 且 拥有`article:update`权限
@app.get("/auth/vip_roles_and_article_update")
@auth.requires(roles=['vip'], permissions=['article:update'])
def vip_roles_and_article_update(request: Request):
    return request.user

依赖项

  • 推荐场景: 路由集合,FastAPI应用
from fastapi import Depends
from typing import Tuple
from fastapi_user_auth.auth import Auth
from fastapi_user_auth.auth.models import User


# 路由参数依赖项
@app.get("/auth/admin_roles_depend_1")
def admin_roles(request: Request,
                auth_result: Tuple[Auth, User] = Depends(auth.requires('admin')())):
    return request.user


# 路径操作装饰器依赖项
@app.get("/auth/admin_roles_depend_2", dependencies=[Depends(auth.requires('admin')())])
def admin_roles(request: Request):
    return request.user


# 全局依赖项
# 在app应用下全部请求都要求拥有admin角色
app = FastAPI(dependencies=[Depends(auth.requires('admin')())])


@app.get("/auth/admin_roles_depend_3")
def admin_roles(request: Request):
    return request.user

中间件

  • 推荐场景: FastAPI应用
app = FastAPI()
# 在app应用下每天请求处理之前都附加`request.auth`和`request.user`对象
auth.backend.attach_middleware(app)

直接调用

  • 推荐场景: 非路由方法
from fastapi_user_auth.auth.models import User

async def get_request_user(request: Request)->Optional[User]:
    if await auth.requires('admin', response=False)(request):
        return request.user
    else:
        return None

Token存储后端

fastapi-user-auth 支持多种token存储方式.默认为: DbTokenStore, 建议自定义修改为: JwtTokenStore

JwtTokenStore

from fastapi_user_auth.auth.backends.jwt import JwtTokenStore
from sqlalchemy.ext.asyncio import create_async_engine
from fastapi_amis_admin.utils.db import SqlalchemyAsyncClient
# 创建异步数据库引擎
engine = create_async_engine(url='sqlite+aiosqlite:///admisadmin.db', future=True)
# 使用`JwtTokenStore`创建auth对象
auth = Auth(db=SqlalchemyAsyncClient(engine),
            token_store=JwtTokenStore(secret_key='09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7'))

# 将auth对象传入AdminSite
site = AuthAdminSite(settings=Settings(database_url_async='sqlite+aiosqlite:///admisadmin.db'),
                     auth=auth)

DbTokenStore

# 使用`DbTokenStore`创建auth对象
from fastapi_user_auth.auth.backends.db import DbTokenStore
auth = Auth(db=SqlalchemyAsyncClient(engine),
            token_store=DbTokenStore(db=SqlalchemyAsyncClient(engine)))

RedisTokenStore

# 使用`RedisTokenStore`创建auth对象
from fastapi_user_auth.auth.backends.redis import RedisTokenStore
from aioredis import Redis
auth = Auth(db=SqlalchemyAsyncClient(engine),
            token_store=RedisTokenStore(redis=Redis.from_url('redis://localhost?db=0')))

RBAC模型

本系统采用的RBAC模型如下, 你也可以根据自己的需求进行拓展.

flowchart LR
	 User -. m:n .-> Group 
	 User -. m:n .-> Role 
     Group -. m:n .-> Role 
	 Role -. m:n .-> Perimission 

界面预览

  • Open http://127.0.0.1:8000/admin/auth/form/login in your browser:

Login

  • Open http://127.0.0.1:8000/admin/ in your browser:

Admin

  • Open http://127.0.0.1:8000/admin/docs in your browser:

Docs

未来计划

  • bug修复,细节完善.
  • 完善用户教程文档.
  • 不断拓展与完善核心功能.

许可协议

  • fastapi-amis-admin基于Apache2.0开源免费使用,可以免费用于商业用途,但请在展示界面中明确显示关于FastAPI-Amis-Admin的版权信息.

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