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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.admin.settings import Settings
from fastapi_user_auth.site import AuthAdminSite
from starlette.requests import Request
from sqlmodel import SQLModel

# 创建FastAPI应用
app = FastAPI()

# 创建AdminSite实例
site = AuthAdminSite(settings=Settings(database_url_async='sqlite+aiosqlite:///amisadmin.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.db.async_run_sync(SQLModel.metadata.create_all, is_session=False)
    # 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应用下每条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 sqlalchemy_database import AsyncDatabase

# 创建异步数据库引擎
engine = create_async_engine(url='sqlite+aiosqlite:///amisadmin.db', future=True)
# 使用`JwtTokenStore`创建auth对象
auth = Auth(db=AsyncDatabase(engine),
            token_store=JwtTokenStore(secret_key='09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7'))

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

DbTokenStore

# 使用`DbTokenStore`创建auth对象
from fastapi_user_auth.auth.backends.db import DbTokenStore

auth = Auth(db=AsyncDatabase(engine),
            token_store=DbTokenStore(db=AsyncDatabase(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=AsyncDatabase(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 

高级拓展

拓展User模型

from datetime import date

from fastapi_amis_admin.models.fields import Field
from fastapi_user_auth.auth.models import BaseUser


# 自定义`User`模型,继承`BaseUser`
class MyUser(BaseUser, table=True):
    birthday: date = Field(None, title="出生日期")
    location: str = Field(None, title="位置")


# 使用自定义的`User`模型,创建auth对象
auth = Auth(db=AsyncDatabase(engine), user_model=MyUser)

拓展Role,Group,Permission模型

# 自定义`Group`模型,继承`BaseRBAC`;覆盖`Role`,`Permission`模型类似,区别在于表名.
class MyGroup(BaseRBAC, table=True):
    __tablename__ = 'auth_group'  # 数据库表名,必须是这个才能覆盖默认模型
    icon: str = Field(None, title='图标')
    is_active: bool = Field(default=True, title="是否激活")

自定义UserAuthApp默认管理类

默认管理类均可通过继承重写替换. 例如: UserLoginFormAdmin,UserRegFormAdmin,UserInfoFormAdmin, UserAdmin,GroupAdmin,RoleAdmin,PermissionAdmin

# 自定义模型管理类,继承重写对应的默认管理类
class MyGroupAdmin(admin.ModelAdmin):
    group_schema = None
    page_schema = PageSchema(label='用户组管理', icon='fa fa-group')
    model = MyGroup
    link_model_fields = [Group.roles]
    readonly_fields = ['key']


# 自定义用户认证应用,继承重写默认的用户认证应用
class MyUserAuthApp(UserAuthApp):
    GroupAdmin = MyGroupAdmin


# 自定义用户管理站点,继承重写默认的用户管理站点
class MyAuthAdminSite(AuthAdminSite):
    UserAuthApp = MyUserAuthApp


# 使用自定义的`AuthAdminSite`类,创建site对象
site = MyAuthAdminSite(settings, auth=auth)

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:

ModelAdmin

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

Docs

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.

鸣谢

感谢以下开发者对 FastAPI-User-Auth 作出的贡献:

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