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blade-auth-client

blade-auth-client 是 Blade 生态的共享 Casdoor 认证客户端包。它抽离了统一的 token 校验、FastAPI 装配和 Socket.IO 握手接口,供各个服务复用。

安装

pip install blade-auth-client[fastapi,socketio]

Casdoor 配置要求

Casdoor 的 application、scope 和 redirect URI 约束见 docs/casdoor-setup.md

快速上手(0.4.0+)

from fastapi import FastAPI, Depends
from blade_auth_client import AuthConfig, BladeAuth, CasdoorClaims, LazyProvisioner

class MyProvisioner(LazyProvisioner["MyUser"]):
    async def provision_user(self, claims: CasdoorClaims) -> "MyUser":
        # 首次登录:建用户并绑定 claims.sub;非首次:查出来刷字段
        ...

auth = BladeAuth(
    AuthConfig.from_yaml("configs/oauth_config.yaml"),
    provisioner=MyProvisioner(),
)

app = FastAPI()
app.include_router(auth.router, prefix="/api/v1/auth")

@app.get("/me")
def me(user = auth.require()):
    return user

详细流程见 docs/接入指南.md;多 app 共享鉴权 / BladeAuth 设计背景见 docs/设计/设计-API暴露面收敛.md

从 0.3.x 升级

  • 推荐迁到 BladeAuth facade(上面那段)。老零件(OidcClient / TokenVerifier / create_auth_router / make_require_auth_dep / 等)0.4.0 仍可从顶层 import,但会 DeprecationWarning,0.5.0 移除。
  • LazyProvisioner.ensure_userprovision_user。老名字继续可用且 SDK 内部自动回落,调用时 warn 一次。

Web 会话与组织

系统里有两类长期凭据,生命周期不同,别混用:

web 令牌 PAT
是什么 密码登录换来的 RS256 JWT 不透明的 sk-blade-v3-…
代表 某人这次登录 某人这个身份
logout 立即失效 不受影响
适合 网页 / 客户端会话 脚本、服务间调用

会话用 web 令牌、自动化用 PAT。拿 PAT 当会话使,用户点了登出也退不掉;拿 web 令牌做自动化,用户一登出你的定时任务就断了。

from blade_auth_client import SessionClient, OrgClient
from blade_auth_client.session import AccountLockedError
from blade_auth_client.errors import InvalidTokenError

sc = SessionClient("http://blade-oauth:19000")

try:
    token = await sc.login("alice", "secret")
except AccountLockedError:      # 429:连续失败被冻结
    ...
except InvalidTokenError:       # 401:账号或密码不对
    ...

me = await sc.me(token.access_token)     # SessionUser(含 source / source_id)
await sc.logout(token.access_token)      # 服务端拉黑,之后一律 401

logout 只作用于传入的这一枚令牌:同一用户在别处的会话、以及他的 PAT 都不受 影响。需要「所有设备下线」用管理端的 DELETE /api/v1/users/{id}/sessions。 重复登出不报错——登出表达的是意图,令牌本来就无效同样满足这个意图。

本地口令校验不过时,blade-oauth 会转发给管理员配置的外部认证源,认证通过即自动 建号;对调用方没有区别,拿到的始终是 blade-oauth 自己签的令牌。SessionUser.source 告诉你这个账号从哪来(admin_api / bootstrap / external / legacy)。

oc = OrgClient("http://blade-oauth:19000")

roster = await oc.my_members(token)              # 我同组织的人,普通用户可调
orgs = await oc.list(admin_token)                # 需要 admin
org = await oc.get(admin_token, "org-a")
members = await oc.members(admin_token, "org-a")

my_members 返回脱敏视图——OrgMember 刻意没有邮箱、手机、额度等字段, 避免花名册被当成全公司通讯录来爬。注意判断 OrgRoster.truncated:花名册上限 500 人,服务端会如实告诉你名单是否被截断。

版本策略

0.0.x 版本仅用于占位发布和联调验证,不承诺可用性。0.2.0 起采用仅校验 iss + 签名 + exp 的简化策略。

发布

仓库已经预留了 GitHub Actions 发布流水线:

  • PR 校验:.github/workflows/python-sdk-ci.yml
  • PyPI 发布:.github/workflows/python-sdk-publish.yml

首次配置 Trusted Publishing 时,在 PyPI 项目的 Publishing 页面添加 GitHub publisher,填写:

  • Owner: blade-hq
  • Repository name: blade-oauth
  • Workflow name: python-sdk-publish.yml

日常发版流程:

# 1. 修改 sdk/python/pyproject.toml 里的 version

# 2. 推送代码到默认分支后,创建并推送同版本 tag
git tag blade-auth-client-vX.Y.Z
git push origin blade-auth-client-vX.Y.Z

发布 workflow 会校验 tag 版本与 pyproject.toml 一致,然后自动构建并发布到 PyPI。

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