feat(auth): 将oidc相关功能打包到service中

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DSYZayn 2026-04-03 23:07:22 +08:00
parent 896e91abb2
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"""OIDC 服务模块。
统一封装 OIDC 配置工具能力和认证业务处理逻辑
"""
import hashlib
import os
import secrets
import time
import urllib.parse
from typing import Any, Optional
from urllib.parse import urlencode
import httpx
from fastapi import HTTPException, Request, status
from fastapi.responses import RedirectResponse
from pydantic import BaseModel, Field
from sqlalchemy import select
from sqlalchemy.exc import IntegrityError
from server.utils.auth_utils import AuthUtils
from server.utils.common_utils import log_operation
from yuxi.repositories.user_repository import UserRepository
from yuxi.storage.postgres.models_business import Department, User
from yuxi.utils.datetime_utils import utc_now_naive
from yuxi.utils.logging_config import logger
# 前端 OIDC 回调路由路径(与 web/src/router/index.js 中的路由保持一致)
FRONTEND_CALLBACK_PATH = "/auth/oidc/callback"
# 登录页路径
FRONTEND_LOGIN_PATH = "/login"
class OIDCConfig(BaseModel):
"""OIDC 配置模型"""
enabled: bool = Field(default=False, description="是否启用 OIDC 认证")
issuer_url: str = Field(default="", description="OIDC Provider 的 issuer URL")
client_id: str = Field(default="", description="OIDC Client ID")
client_secret: str = Field(default="", description="OIDC Client Secret")
redirect_uri: str = Field(default="", description="OIDC 回调 URL")
authorization_endpoint: str = Field(default="", description="授权端点 URL")
token_endpoint: str = Field(default="", description="Token 端点 URL")
userinfo_endpoint: str = Field(default="", description="UserInfo 端点 URL")
end_session_endpoint: str = Field(default="", description="登出端点 URL")
provider_name: str = Field(default="OIDC登录", description="认证源名称,显示在登录按钮上的文字")
scopes: str = Field(default="openid profile email", description="请求的 scope")
auto_create_user: bool = Field(default=True, description="是否自动创建用户")
default_role: str = Field(default="user", description="OIDC 用户的默认角色")
default_department: str = Field(default="OIDC用户", description="OIDC 用户的默认部门")
username_claim: str = Field(default="preferred_username", description="用户名映射字段")
email_claim: str = Field(default="email", description="邮箱映射字段")
name_claim: str = Field(default="name", description="姓名映射字段")
@classmethod
def from_env(cls) -> "OIDCConfig":
"""从环境变量加载配置"""
def _env(name: str, default: str = "") -> str:
return os.environ.get(name, default).strip()
enabled = os.environ.get("OIDC_ENABLED", "false").lower() == "true"
if not enabled:
return cls(enabled=False)
return cls(
enabled=enabled,
provider_name=_env("OIDC_PROVIDER_NAME", "OIDC登录"),
issuer_url=_env("OIDC_ISSUER_URL"),
client_id=_env("OIDC_CLIENT_ID"),
client_secret=_env("OIDC_CLIENT_SECRET"),
redirect_uri=_env("OIDC_REDIRECT_URI"),
authorization_endpoint=_env("OIDC_AUTHORIZATION_ENDPOINT"),
token_endpoint=_env("OIDC_TOKEN_ENDPOINT"),
userinfo_endpoint=_env("OIDC_USERINFO_ENDPOINT"),
end_session_endpoint=_env("OIDC_END_SESSION_ENDPOINT"),
scopes=_env("OIDC_SCOPES", "openid profile email"),
auto_create_user=os.environ.get("OIDC_AUTO_CREATE_USER", "true").lower() == "true",
default_role=_env("OIDC_DEFAULT_ROLE", "user"),
default_department=_env("OIDC_DEFAULT_DEPARTMENT", "OIDC用户"),
username_claim=_env("OIDC_USERNAME_CLAIM", "preferred_username"),
email_claim=_env("OIDC_EMAIL_CLAIM", "email"),
name_claim=_env("OIDC_NAME_CLAIM", "name"),
)
def is_configured(self) -> bool:
"""检查登录链接生成所需配置是否完整"""
if not self.enabled:
return False
# 生成登录链接只要求 client_id + (issuer_url 或 authorization_endpoint)
return bool(self.client_id and (self.issuer_url or self.authorization_endpoint))
def is_token_exchange_configured(self) -> bool:
"""检查授权码换 token 所需配置是否完整"""
if not self.enabled:
return False
# 回调换 token 需要 client_id + client_secret + (issuer_url 或 token_endpoint)
return bool(self.client_id and self.client_secret and (self.issuer_url or self.token_endpoint))
oidc_config = OIDCConfig.from_env()
class OIDCProviderMetadata:
"""OIDC Provider 元数据"""
def __init__(self):
self.authorization_endpoint: Optional[str] = None
self.token_endpoint: Optional[str] = None
self.userinfo_endpoint: Optional[str] = None
self.end_session_endpoint: Optional[str] = None
self.last_error: Optional[str] = None
self._loaded = False
async def load(self, issuer_url: str) -> bool:
"""从 discovery 端点加载元数据"""
if self._loaded:
return True
discovery_url = f"{issuer_url.rstrip('/')}/.well-known/openid-configuration"
try:
async with httpx.AsyncClient() as client:
response = await client.get(discovery_url, timeout=30.0)
response.raise_for_status()
metadata = response.json()
self.authorization_endpoint = metadata.get("authorization_endpoint")
self.token_endpoint = metadata.get("token_endpoint")
self.userinfo_endpoint = metadata.get("userinfo_endpoint")
self.end_session_endpoint = metadata.get("end_session_endpoint")
# 登录 URL 生成至少需要 authorization_endpoint。
if not self.authorization_endpoint:
self.last_error = "discovery 响应缺少 authorization_endpoint"
logger.error(f"Failed to load OIDC discovery: {self.last_error}, url={discovery_url}")
return False
self._loaded = True
self.last_error = None
logger.info(f"OIDC discovery loaded from {discovery_url}")
return True
except Exception as e:
self.last_error = f"{type(e).__name__}: {repr(e)}"
logger.error(f"Failed to load OIDC discovery: {self.last_error}, url={discovery_url}")
return False
class OIDCUtils:
"""OIDC 工具类"""
_metadata: Optional[OIDCProviderMetadata] = None
_state_store: dict[str, dict[str, Any]] = {}
_login_code_store: dict[str, dict[str, Any]] = {}
_state_ttl_seconds = 300
_login_code_ttl_seconds = 60
_last_metadata_error: Optional[str] = None
@classmethod
def _cleanup_expired_state(cls) -> None:
now = time.time()
expired = [k for k, v in cls._state_store.items() if v["expires_at"] <= now]
for key in expired:
cls._state_store.pop(key, None)
@classmethod
def _cleanup_expired_login_code(cls) -> None:
now = time.time()
expired = [k for k, v in cls._login_code_store.items() if v["expires_at"] <= now]
for key in expired:
cls._login_code_store.pop(key, None)
@classmethod
async def get_metadata(cls) -> Optional[OIDCProviderMetadata]:
"""获取 OIDC Provider 元数据"""
if not oidc_config.enabled or not oidc_config.is_configured():
cls._last_metadata_error = "OIDC 未启用或基础配置不完整"
return None
if cls._metadata is None:
cls._metadata = OIDCProviderMetadata()
if oidc_config.authorization_endpoint:
cls._metadata.authorization_endpoint = oidc_config.authorization_endpoint
cls._metadata.token_endpoint = oidc_config.token_endpoint
cls._metadata.userinfo_endpoint = oidc_config.userinfo_endpoint
cls._metadata.end_session_endpoint = oidc_config.end_session_endpoint
cls._metadata._loaded = True
cls._last_metadata_error = None
else:
success = await cls._metadata.load(oidc_config.issuer_url)
if not success:
cls._last_metadata_error = cls._metadata.last_error or "OIDC discovery 加载失败"
return None
if not cls._metadata.authorization_endpoint:
cls._last_metadata_error = "OIDC 授权端点不可用"
return None
cls._last_metadata_error = None
return cls._metadata
@classmethod
def get_last_metadata_error(cls) -> Optional[str]:
"""获取最近一次 OIDC 元数据加载错误"""
return cls._last_metadata_error
@classmethod
def generate_state(cls, redirect_path: str = "/") -> str:
"""生成 state 参数并存储"""
cls._cleanup_expired_state()
state = secrets.token_urlsafe(32)
cls._state_store[state] = {
"redirect_path": redirect_path,
"expires_at": time.time() + cls._state_ttl_seconds,
}
return state
@classmethod
def verify_state(cls, state: str) -> Optional[dict[str, Any]]:
"""验证 state 参数"""
state_data = cls._state_store.pop(state, None)
if not state_data:
return None
if state_data["expires_at"] <= time.time():
return None
return {"redirect_path": state_data["redirect_path"]}
@classmethod
def generate_login_code(cls, payload: dict[str, Any]) -> str:
"""生成一次性短期登录 code"""
cls._cleanup_expired_login_code()
code = secrets.token_urlsafe(32)
cls._login_code_store[code] = {
"payload": payload,
"expires_at": time.time() + cls._login_code_ttl_seconds,
}
return code
@classmethod
def consume_login_code(cls, code: str) -> Optional[dict[str, Any]]:
"""消费一次性短期登录 code"""
data = cls._login_code_store.pop(code, None)
if not data:
return None
if data["expires_at"] <= time.time():
return None
return data["payload"]
@classmethod
def generate_nonce(cls) -> str:
"""生成 nonce 参数"""
return secrets.token_urlsafe(32)
@classmethod
async def build_authorization_url(cls, redirect_path: str = "/") -> Optional[str]:
"""构建授权 URL"""
metadata = await cls.get_metadata()
if not metadata or not metadata.authorization_endpoint:
return None
state = cls.generate_state(redirect_path)
nonce = cls.generate_nonce()
redirect_uri = oidc_config.redirect_uri
if not redirect_uri:
redirect_uri = "/api/auth/oidc/callback"
params = {
"client_id": oidc_config.client_id,
"response_type": "code",
"scope": oidc_config.scopes,
"redirect_uri": redirect_uri,
"state": state,
"nonce": nonce,
}
query_string = urllib.parse.urlencode(params)
return f"{metadata.authorization_endpoint}?{query_string}"
@classmethod
async def exchange_code_for_token(cls, code: str) -> Optional[dict[str, Any]]:
"""用授权码交换令牌"""
metadata = await cls.get_metadata()
if not metadata or not metadata.token_endpoint:
return None
redirect_uri = oidc_config.redirect_uri or "/api/auth/oidc/callback"
data = {
"grant_type": "authorization_code",
"code": code,
"redirect_uri": redirect_uri,
"client_id": oidc_config.client_id,
"client_secret": oidc_config.client_secret,
}
try:
async with httpx.AsyncClient() as client:
response = await client.post(
metadata.token_endpoint,
data=data,
headers={"Content-Type": "application/x-www-form-urlencoded"},
timeout=30.0,
)
response.raise_for_status()
return response.json()
except Exception as e:
logger.error(f"Failed to exchange code for token: {e}")
return None
@classmethod
async def get_userinfo(cls, access_token: str) -> Optional[dict[str, Any]]:
"""获取用户信息"""
metadata = await cls.get_metadata()
if not metadata or not metadata.userinfo_endpoint:
return None
try:
async with httpx.AsyncClient() as client:
response = await client.get(
metadata.userinfo_endpoint,
headers={"Authorization": f"Bearer {access_token}"},
timeout=30.0,
)
response.raise_for_status()
return response.json()
except Exception as e:
logger.error(f"Failed to get userinfo: {e}")
return None
@classmethod
async def build_logout_url(cls, id_token: Optional[str] = None) -> Optional[str]:
"""构建登出 URL"""
metadata = await cls.get_metadata()
if not metadata or not metadata.end_session_endpoint:
return None
params = {"client_id": oidc_config.client_id}
if id_token:
params["id_token_hint"] = id_token
if oidc_config.redirect_uri:
params["post_logout_redirect_uri"] = oidc_config.redirect_uri
query_string = urllib.parse.urlencode(params)
return f"{metadata.end_session_endpoint}?{query_string}"
@classmethod
def extract_user_info(cls, userinfo: dict[str, Any]) -> dict[str, Any]:
"""从 userinfo 中提取用户信息"""
sub = userinfo.get("sub", "")
username = userinfo.get(oidc_config.username_claim, "")
if not username:
username = userinfo.get("preferred_username", "")
if not username:
username = userinfo.get("email", "").split("@")[0]
if not username:
username = sub[:20]
email = userinfo.get(oidc_config.email_claim, "")
if not email:
email = userinfo.get("email", "")
name = userinfo.get(oidc_config.name_claim, "")
if not name:
name = userinfo.get("name", "")
if not name:
name = username
return {
"sub": sub,
"username": username,
"email": email,
"name": name,
"raw": userinfo,
}
async def get_or_create_oidc_department(db) -> Department | None:
"""获取或创建 OIDC 用户的默认部门"""
dept_name = oidc_config.default_department
result = await db.execute(select(Department).filter(Department.name == dept_name))
dept = result.scalar_one_or_none()
if not dept:
dept = Department(
name=dept_name,
description=f"{dept_name}部门",
)
db.add(dept)
try:
await db.commit()
await db.refresh(dept)
logger.info(f"Created OIDC department: {dept_name}")
except IntegrityError:
await db.rollback()
result = await db.execute(select(Department).filter(Department.name == dept_name))
dept = result.scalar_one_or_none()
return dept
async def find_user_by_oidc_sub(db, sub: str) -> User | None:
"""通过 OIDC sub 查找用户"""
oidc_user_id = f"oidc:{sub}"
result = await db.execute(select(User).filter(User.user_id == oidc_user_id, User.is_deleted == 0))
user = result.scalar_one_or_none()
if user:
return user
legacy_result = await db.execute(
select(User)
.filter(User.user_id.like(f"{oidc_user_id}:%"), User.is_deleted == 0)
.order_by(User.id.asc())
)
legacy_users = list(legacy_result.scalars().all())
if legacy_users:
if len(legacy_users) > 1:
logger.warning(f"Multiple legacy OIDC users matched for sub={sub}, use earliest id={legacy_users[0].id}")
return legacy_users[0]
return None
async def find_deleted_oidc_user_by_sub(db, sub: str) -> User | None:
"""查找已注销的 OIDC 账户(标准与历史后缀)"""
oidc_user_id = f"oidc:{sub}"
result = await db.execute(select(User).filter(User.user_id == oidc_user_id, User.is_deleted == 1))
deleted_user = result.scalar_one_or_none()
if deleted_user:
return deleted_user
legacy_result = await db.execute(
select(User)
.filter(User.user_id.like(f"{oidc_user_id}:%"), User.is_deleted == 1)
.order_by(User.id.asc())
)
return legacy_result.scalar_one_or_none()
async def build_unique_oidc_username(db, preferred_username: str, sub: str) -> str:
"""为 OIDC 用户生成不冲突的用户名"""
base_username = preferred_username.strip() if preferred_username else ""
if not base_username:
base_username = f"oidc_{sub[:8]}"
result = await db.execute(select(User.id).filter(User.username == base_username))
if result.scalar_one_or_none() is None:
return base_username
hash_suffix = hashlib.sha256(sub.encode()).hexdigest()[:6]
candidate = f"{base_username}-{hash_suffix}"
result = await db.execute(select(User.id).filter(User.username == candidate))
if result.scalar_one_or_none() is None:
return candidate
for i in range(2, 100):
indexed_candidate = f"{candidate}-{i}"
result = await db.execute(select(User.id).filter(User.username == indexed_candidate))
if result.scalar_one_or_none() is None:
return indexed_candidate
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="无法生成可用用户名,请联系管理员",
)
async def create_oidc_user(db, user_info: dict, department_id: int | None = None) -> User:
"""创建 OIDC 用户"""
user_repo = UserRepository()
sub = user_info["sub"]
preferred_username = user_info["name"] or user_info["username"]
user_id = f"oidc:{sub}"
random_password = secrets.token_urlsafe(32)
password_hash = AuthUtils.hash_password(random_password)
username = await build_unique_oidc_username(db, preferred_username, sub)
for retry_index in range(3):
try:
new_user = await user_repo.create(
{
"username": username,
"user_id": user_id,
"phone_number": None,
"avatar": None,
"password_hash": password_hash,
"role": oidc_config.default_role,
"department_id": department_id,
"last_login": utc_now_naive(),
}
)
logger.info(f"Created OIDC user: {new_user.username} ({user_id})")
return new_user
except IntegrityError:
existing_user = await find_user_by_oidc_sub(db, sub)
if existing_user:
return existing_user
username = await build_unique_oidc_username(db, f"{preferred_username}-{retry_index + 2}", sub)
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="创建 OIDC 用户失败,请重试",
)
async def restore_deleted_oidc_user(db, deleted_user: User, user_info: dict) -> User:
"""恢复已注销的 OIDC 用户并返回可登录用户"""
preferred_username = user_info["name"] or user_info["username"]
deleted_user.is_deleted = 0
deleted_user.deleted_at = None
deleted_user.last_login = utc_now_naive()
deleted_user.phone_number = None
deleted_user.avatar = None
if deleted_user.username.startswith("已注销用户-"):
deleted_user.username = await build_unique_oidc_username(db, preferred_username, user_info["sub"])
if deleted_user.password_hash == "DELETED":
random_password = secrets.token_urlsafe(32)
deleted_user.password_hash = AuthUtils.hash_password(random_password)
await db.commit()
await db.refresh(deleted_user)
logger.info(f"Restored deleted OIDC user: {deleted_user.username} ({deleted_user.user_id})")
return deleted_user
async def update_oidc_user_login(db, user: User) -> None:
"""更新 OIDC 用户登录时间"""
user.last_login = utc_now_naive()
await db.commit()
def _redirect_to_callback(exchange_code: str) -> RedirectResponse:
"""成功后重定向到前端 OIDC 回调页面,仅携带一次性 code"""
url = f"{FRONTEND_CALLBACK_PATH}?{urlencode({'code': exchange_code})}"
return RedirectResponse(url=url, status_code=302)
def _redirect_to_login_with_error(error_message: str) -> RedirectResponse:
"""失败时重定向到登录页并携带错误信息"""
url = f"{FRONTEND_LOGIN_PATH}?{urlencode({'oidc_error': error_message})}"
return RedirectResponse(url=url, status_code=302)
async def get_oidc_config_handler():
"""获取 OIDC 配置(供前端使用)"""
if not oidc_config.enabled or not oidc_config.is_configured():
return {"enabled": False}
provider_name = oidc_config.provider_name
return {"enabled": True, "provider_name": provider_name}
async def oidc_callback_handler(code: str, state: str, db, request: Request | None = None):
"""处理 OIDC 回调 - 重定向到前端 Vue 路由"""
if not oidc_config.is_token_exchange_configured():
return _redirect_to_login_with_error("OIDC 配置不完整,请联系管理员")
if not OIDCUtils.verify_state(state):
return _redirect_to_login_with_error("登录会话已过期,请返回登录页重试")
token_response = await OIDCUtils.exchange_code_for_token(code)
if not token_response:
return _redirect_to_login_with_error("无法获取访问令牌,请返回登录页重试")
access_token = token_response.get("access_token")
if not access_token:
return _redirect_to_login_with_error("无法获取访问令牌,请返回登录页重试")
userinfo = await OIDCUtils.get_userinfo(access_token)
if not userinfo:
return _redirect_to_login_with_error("无法获取用户信息,请返回登录页重试")
extracted_info = OIDCUtils.extract_user_info(userinfo)
sub = extracted_info["sub"]
if not sub:
return _redirect_to_login_with_error("无法获取用户标识,请返回登录页重试")
user = await find_user_by_oidc_sub(db, sub)
if user:
await update_oidc_user_login(db, user)
logger.info(f"OIDC user logged in: {user.username}")
elif oidc_config.auto_create_user:
deleted_user = await find_deleted_oidc_user_by_sub(db, sub)
if deleted_user:
user = await restore_deleted_oidc_user(db, deleted_user, extracted_info)
logger.info(f"OIDC deleted user restored and logged in: {user.username}")
else:
dept = await get_or_create_oidc_department(db)
department_id = dept.id if dept else None
user = await create_oidc_user(db, extracted_info, department_id)
else:
return _redirect_to_login_with_error("用户未注册,请联系管理员开通账号")
if user.is_deleted:
return _redirect_to_login_with_error("该账户已注销")
token_data = {"sub": str(user.id)}
jwt_token = AuthUtils.create_access_token(token_data)
await log_operation(db, user.id, "OIDC 登录", request=request)
department_name = None
if user.department_id:
result = await db.execute(select(Department.name).filter(Department.id == user.department_id))
department_name = result.scalar_one_or_none()
response_data = {
"access_token": jwt_token,
"token_type": "bearer",
"user_id": user.id,
"username": user.username,
"user_id_login": user.user_id,
"phone_number": user.phone_number,
"avatar": user.avatar,
"role": user.role,
"department_id": user.department_id,
"department_name": department_name,
}
exchange_code = OIDCUtils.generate_login_code(response_data)
return _redirect_to_callback(exchange_code)
async def oidc_exchange_code_handler(code: str) -> dict:
"""用一次性 code 交换登录响应数据"""
token_data = OIDCUtils.consume_login_code(code)
if not token_data:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="登录 code 无效或已过期,请重新登录",
)
return token_data
async def oidc_login_url_handler(redirect_path: str = "/"):
"""获取 OIDC 登录 URL"""
if not oidc_config.enabled or not oidc_config.is_configured():
raise HTTPException(
status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
detail="OIDC 登录暂不可用,请联系管理员",
)
login_url = await OIDCUtils.build_authorization_url(redirect_path)
if not login_url:
metadata_error = OIDCUtils.get_last_metadata_error()
if metadata_error:
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail=f"生成登录链接失败:{metadata_error}",
)
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="生成登录链接失败,请稍后重试或联系管理员",
)
return {"login_url": login_url}

View File

@ -27,13 +27,11 @@ from yuxi.storage.minio import aupload_file_to_minio
from yuxi.utils.datetime_utils import utc_now_naive
# OIDC 认证相关导入
from server.routers.auth_router_oidc import (
from yuxi.services.oidc_service import (
get_oidc_config_handler,
oidc_callback_handler,
oidc_exchange_code_handler,
oidc_login_url_handler,
OIDCConfigResponse,
OIDCLoginResponse,
)
# 创建路由器
@ -105,6 +103,29 @@ class UserIdGeneration(BaseModel):
is_available: bool
class OIDCConfigResponse(BaseModel):
"""OIDC 配置响应"""
enabled: bool
login_url: str | None = None
provider_name: str | None = "OIDC登录"
class OIDCLoginResponse(BaseModel):
"""OIDC 登录响应"""
access_token: str
token_type: str
user_id: int
username: str
user_id_login: str
phone_number: str | None = None
avatar: str | None = None
role: str
department_id: int | None = None
department_name: str | None = None
# =============================================================================
# === 工具函数 ===
# =============================================================================

View File

@ -1,362 +0,0 @@
"""OIDC 认证路由模块
此模块包含 OIDC 认证相关的路由需要被导入到主 auth_router.py 中使用
"""
from urllib.parse import urlencode
import hashlib
from fastapi import HTTPException, Request, status
from fastapi.responses import RedirectResponse
from pydantic import BaseModel
from sqlalchemy import select
from sqlalchemy.exc import IntegrityError
from yuxi.utils import logger
from yuxi.storage.postgres.models_business import User, Department
from yuxi.repositories.user_repository import UserRepository
from server.utils.auth_utils import AuthUtils
from server.utils.oidc_config import oidc_config
from server.utils.oidc_utils import OIDCUtils
from server.utils.common_utils import log_operation
from yuxi.utils.datetime_utils import utc_now_naive
# 前端 OIDC 回调路由路径(与 web/src/router/index.js 中的路由保持一致)
FRONTEND_CALLBACK_PATH = "/auth/oidc/callback"
# 登录页路径(用于错误重定向)
FRONTEND_LOGIN_PATH = "/login"
# =============================================================================
# === OIDC 请求和响应模型 ===
# =============================================================================
class OIDCConfigResponse(BaseModel):
"""OIDC 配置响应"""
enabled: bool
login_url: str | None = None
provider_name: str | None = "OIDC登录"
class OIDCLoginResponse(BaseModel):
"""OIDC 登录响应"""
access_token: str
token_type: str
user_id: int
username: str
user_id_login: str
phone_number: str | None = None
avatar: str | None = None
role: str
department_id: int | None = None
department_name: str | None = None
# =============================================================================
# === OIDC 工具函数 ===
# =============================================================================
async def get_or_create_oidc_department(db) -> Department | None:
"""获取或创建 OIDC 用户的默认部门"""
dept_name = oidc_config.default_department
result = await db.execute(select(Department).filter(Department.name == dept_name))
dept = result.scalar_one_or_none()
if not dept:
dept = Department(
name=dept_name,
description=f"{dept_name}部门",
)
db.add(dept)
try:
await db.commit()
await db.refresh(dept)
logger.info(f"Created OIDC department: {dept_name}")
except IntegrityError:
await db.rollback()
result = await db.execute(select(Department).filter(Department.name == dept_name))
dept = result.scalar_one_or_none()
return dept
async def find_user_by_oidc_sub(db, sub: str) -> User | None:
"""通过 OIDC sub 查找用户"""
oidc_user_id = f"oidc:{sub}"
# 优先匹配标准 user_idoidc:{sub}
result = await db.execute(select(User).filter(User.user_id == oidc_user_id, User.is_deleted == 0))
user = result.scalar_one_or_none()
if user:
return user
# 兼容历史后缀 user_idoidc:{sub}:xxxx
legacy_result = await db.execute(
select(User)
.filter(User.user_id.like(f"{oidc_user_id}:%"), User.is_deleted == 0)
.order_by(User.id.asc())
)
legacy_users = list(legacy_result.scalars().all())
if legacy_users:
if len(legacy_users) > 1:
logger.warning(f"Multiple legacy OIDC users matched for sub={sub}, use earliest id={legacy_users[0].id}")
return legacy_users[0]
return None
async def find_deleted_oidc_user_by_sub(db, sub: str) -> User | None:
"""查找已注销的 OIDC 账户(标准与历史后缀)"""
oidc_user_id = f"oidc:{sub}"
result = await db.execute(select(User).filter(User.user_id == oidc_user_id, User.is_deleted == 1))
deleted_user = result.scalar_one_or_none()
if deleted_user:
return deleted_user
legacy_result = await db.execute(
select(User)
.filter(User.user_id.like(f"{oidc_user_id}:%"), User.is_deleted == 1)
.order_by(User.id.asc())
)
return legacy_result.scalar_one_or_none()
async def build_unique_oidc_username(db, preferred_username: str, sub: str) -> str:
"""为 OIDC 用户生成不冲突的用户名"""
base_username = preferred_username.strip() if preferred_username else ""
if not base_username:
base_username = f"oidc_{sub[:8]}"
result = await db.execute(select(User.id).filter(User.username == base_username))
if result.scalar_one_or_none() is None:
return base_username
hash_suffix = hashlib.sha256(sub.encode()).hexdigest()[:6]
candidate = f"{base_username}-{hash_suffix}"
result = await db.execute(select(User.id).filter(User.username == candidate))
if result.scalar_one_or_none() is None:
return candidate
for i in range(2, 100):
indexed_candidate = f"{candidate}-{i}"
result = await db.execute(select(User.id).filter(User.username == indexed_candidate))
if result.scalar_one_or_none() is None:
return indexed_candidate
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="无法生成可用用户名,请联系管理员",
)
async def create_oidc_user(db, user_info: dict, department_id: int | None = None) -> User:
"""创建 OIDC 用户"""
user_repo = UserRepository()
sub = user_info["sub"]
preferred_username = user_info["name"] or user_info["username"]
user_id = f"oidc:{sub}"
# 生成随机密码OIDC 用户不需要密码登录)
import secrets
random_password = secrets.token_urlsafe(32)
password_hash = AuthUtils.hash_password(random_password)
username = await build_unique_oidc_username(db, preferred_username, sub)
# 并发场景下兜底:若创建时发生唯一键冲突,优先复用已创建账号;否则重试用户名。
for retry_index in range(3):
try:
new_user = await user_repo.create({
"username": username,
"user_id": user_id,
"phone_number": None, # OIDC 用户没有手机号
"avatar": None,
"password_hash": password_hash,
"role": oidc_config.default_role,
"department_id": department_id,
"last_login": utc_now_naive(),
})
logger.info(f"Created OIDC user: {new_user.username} ({user_id})")
return new_user
except IntegrityError:
existing_user = await find_user_by_oidc_sub(db, sub)
if existing_user:
return existing_user
username = await build_unique_oidc_username(db, f"{preferred_username}-{retry_index + 2}", sub)
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="创建 OIDC 用户失败,请重试",
)
async def restore_deleted_oidc_user(db, deleted_user: User, user_info: dict) -> User:
"""恢复已注销的 OIDC 用户并返回可登录用户"""
preferred_username = user_info["name"] or user_info["username"]
deleted_user.is_deleted = 0
deleted_user.deleted_at = None
deleted_user.last_login = utc_now_naive()
deleted_user.phone_number = None
deleted_user.avatar = None
# 删除流程会把用户名改成“已注销用户-xxxx”恢复时重新分配可用用户名
if deleted_user.username.startswith("已注销用户-"):
deleted_user.username = await build_unique_oidc_username(db, preferred_username, user_info["sub"])
if deleted_user.password_hash == "DELETED":
import secrets
random_password = secrets.token_urlsafe(32)
deleted_user.password_hash = AuthUtils.hash_password(random_password)
await db.commit()
await db.refresh(deleted_user)
logger.info(f"Restored deleted OIDC user: {deleted_user.username} ({deleted_user.user_id})")
return deleted_user
async def update_oidc_user_login(db, user: User) -> None:
"""更新 OIDC 用户登录时间"""
user.last_login = utc_now_naive()
await db.commit()
def _redirect_to_callback(exchange_code: str) -> RedirectResponse:
"""成功后重定向到前端 OIDC 回调页面,仅携带一次性 code"""
url = f"{FRONTEND_CALLBACK_PATH}?{urlencode({'code': exchange_code})}"
return RedirectResponse(url=url, status_code=302)
def _redirect_to_login_with_error(error_message: str) -> RedirectResponse:
"""失败时重定向到登录页并携带错误信息"""
url = f"{FRONTEND_LOGIN_PATH}?{urlencode({'oidc_error': error_message})}"
return RedirectResponse(url=url, status_code=302)
# =============================================================================
# === OIDC 路由处理函数 ===
# =============================================================================
async def get_oidc_config_handler():
"""获取 OIDC 配置(供前端使用)"""
if not oidc_config.enabled or not oidc_config.is_configured():
return OIDCConfigResponse(enabled=False)
provider_name = oidc_config.provider_name
return OIDCConfigResponse(enabled=True, provider_name=provider_name)
async def oidc_callback_handler(code: str, state: str, db, request: Request | None = None):
"""处理 OIDC 回调 - 重定向到前端 Vue 路由"""
# 验证 state
if not OIDCUtils.verify_state(state):
return _redirect_to_login_with_error("登录会话已过期,请返回登录页重试")
# 用授权码交换令牌
token_response = await OIDCUtils.exchange_code_for_token(code)
if not token_response:
return _redirect_to_login_with_error("无法获取访问令牌,请返回登录页重试")
access_token = token_response.get("access_token")
if not access_token:
return _redirect_to_login_with_error("无法获取访问令牌,请返回登录页重试")
# 获取用户信息
userinfo = await OIDCUtils.get_userinfo(access_token)
if not userinfo:
return _redirect_to_login_with_error("无法获取用户信息,请返回登录页重试")
# 提取用户信息
extracted_info = OIDCUtils.extract_user_info(userinfo)
sub = extracted_info["sub"]
if not sub:
return _redirect_to_login_with_error("无法获取用户标识,请返回登录页重试")
# 查找或创建用户
user = await find_user_by_oidc_sub(db, sub)
if user:
# 更新登录时间
await update_oidc_user_login(db, user)
logger.info(f"OIDC user logged in: {user.username}")
elif oidc_config.auto_create_user:
deleted_user = await find_deleted_oidc_user_by_sub(db, sub)
if deleted_user:
user = await restore_deleted_oidc_user(db, deleted_user, extracted_info)
logger.info(f"OIDC deleted user restored and logged in: {user.username}")
else:
# 获取或创建 OIDC 部门
dept = await get_or_create_oidc_department(db)
department_id = dept.id if dept else None
# 创建新用户
user = await create_oidc_user(db, extracted_info, department_id)
else:
return _redirect_to_login_with_error("用户未注册,请联系管理员开通账号")
# 检查用户是否被删除
if user.is_deleted:
return _redirect_to_login_with_error("该账户已注销")
# 生成访问令牌
token_data = {"sub": str(user.id)}
jwt_token = AuthUtils.create_access_token(token_data)
# 记录登录操作
await log_operation(db, user.id, "OIDC 登录", request=request)
# 获取部门名称
department_name = None
if user.department_id:
result = await db.execute(select(Department.name).filter(Department.id == user.department_id))
department_name = result.scalar_one_or_none()
# 构建响应数据
response_data = {
"access_token": jwt_token,
"token_type": "bearer",
"user_id": user.id,
"username": user.username,
"user_id_login": user.user_id,
"phone_number": user.phone_number,
"avatar": user.avatar,
"role": user.role,
"department_id": user.department_id,
"department_name": department_name,
}
exchange_code = OIDCUtils.generate_login_code(response_data)
# 重定向到前端 OIDC 回调 Vue 页面
return _redirect_to_callback(exchange_code)
async def oidc_exchange_code_handler(code: str) -> dict:
"""用一次性 code 交换登录响应数据"""
token_data = OIDCUtils.consume_login_code(code)
if not token_data:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="登录 code 无效或已过期,请重新登录",
)
return token_data
async def oidc_login_url_handler(redirect_path: str = "/"):
"""获取 OIDC 登录 URL"""
if not oidc_config.enabled or not oidc_config.is_configured():
raise HTTPException(
status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
detail="OIDC 登录暂不可用,请联系管理员"
)
login_url = await OIDCUtils.build_authorization_url(redirect_path)
if not login_url:
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="生成登录链接失败,请稍后重试或联系管理员"
)
return {"login_url": login_url}

View File

@ -1,90 +0,0 @@
"""OIDC 配置模块"""
import os
from pydantic import BaseModel, Field
class OIDCConfig(BaseModel):
"""OIDC 配置模型"""
# 是否启用 OIDC 认证
enabled: bool = Field(default=False, description="是否启用 OIDC 认证")
# OIDC Provider 配置
issuer_url: str = Field(default="", description="OIDC Provider 的 issuer URL")
client_id: str = Field(default="", description="OIDC Client ID")
client_secret: str = Field(default="", description="OIDC Client Secret")
# 回调 URL可选默认自动构建
redirect_uri: str = Field(default="", description="OIDC 回调 URL")
# 授权端点(可选,自动从 discovery 获取)
authorization_endpoint: str = Field(default="", description="授权端点 URL")
token_endpoint: str = Field(default="", description="Token 端点 URL")
userinfo_endpoint: str = Field(default="", description="UserInfo 端点 URL")
end_session_endpoint: str = Field(default="", description="登出端点 URL")
# 认证源名称
provider_name: str = Field(default="OIDC登录", description="认证源名称,显示在登录按钮上的文字")
# 请求的 scope
scopes: str = Field(default="openid profile email", description="请求的 scope")
# 是否自动创建用户
auto_create_user: bool = Field(default=True, description="是否自动创建用户")
# 默认角色
default_role: str = Field(default="user", description="OIDC 用户的默认角色")
# 默认部门名称
default_department: str = Field(default="OIDC用户", description="OIDC 用户的默认部门")
# 用户名映射字段
username_claim: str = Field(default="preferred_username", description="用户名映射字段")
# 邮箱映射字段
email_claim: str = Field(default="email", description="邮箱映射字段")
# 姓名映射字段
name_claim: str = Field(default="name", description="姓名映射字段")
@classmethod
def from_env(cls) -> "OIDCConfig":
"""从环境变量加载配置"""
enabled = os.environ.get("OIDC_ENABLED", "false").lower() == "true"
if not enabled:
return cls(enabled=False)
return cls(
enabled=enabled,
provider_name=os.environ.get("OIDC_PROVIDER_NAME", "OIDC登录"),
issuer_url=os.environ.get("OIDC_ISSUER_URL", ""),
client_id=os.environ.get("OIDC_CLIENT_ID", ""),
client_secret=os.environ.get("OIDC_CLIENT_SECRET", ""),
redirect_uri=os.environ.get("OIDC_REDIRECT_URI", ""),
authorization_endpoint=os.environ.get("OIDC_AUTHORIZATION_ENDPOINT", ""),
token_endpoint=os.environ.get("OIDC_TOKEN_ENDPOINT", ""),
userinfo_endpoint=os.environ.get("OIDC_USERINFO_ENDPOINT", ""),
end_session_endpoint=os.environ.get("OIDC_END_SESSION_ENDPOINT", ""),
scopes=os.environ.get("OIDC_SCOPES", "openid profile email"),
auto_create_user=os.environ.get("OIDC_AUTO_CREATE_USER", "true").lower() == "true",
default_role=os.environ.get("OIDC_DEFAULT_ROLE", "user"),
default_department=os.environ.get("OIDC_DEFAULT_DEPARTMENT", "OIDC用户"),
username_claim=os.environ.get("OIDC_USERNAME_CLAIM", "preferred_username"),
email_claim=os.environ.get("OIDC_EMAIL_CLAIM", "email"),
name_claim=os.environ.get("OIDC_NAME_CLAIM", "name"),
)
def is_configured(self) -> bool:
"""检查配置是否完整"""
if not self.enabled:
return False
return all([
self.issuer_url,
self.client_id,
self.client_secret,
])
# 全局配置实例
oidc_config = OIDCConfig.from_env()

View File

@ -1,277 +0,0 @@
"""OIDC 认证工具类"""
import secrets
import time
import urllib.parse
from typing import Any, Optional
import httpx
from yuxi.utils import logger
from server.utils.oidc_config import oidc_config
class OIDCProviderMetadata:
"""OIDC Provider 元数据"""
def __init__(self):
self.authorization_endpoint: Optional[str] = None
self.token_endpoint: Optional[str] = None
self.userinfo_endpoint: Optional[str] = None
self.end_session_endpoint: Optional[str] = None
self._loaded = False
async def load(self, issuer_url: str) -> bool:
"""从 discovery 端点加载元数据"""
if self._loaded:
return True
try:
# 构建 discovery URL
discovery_url = f"{issuer_url.rstrip('/')}/.well-known/openid-configuration"
async with httpx.AsyncClient() as client:
response = await client.get(discovery_url, timeout=30.0)
response.raise_for_status()
metadata = response.json()
self.authorization_endpoint = metadata.get("authorization_endpoint")
self.token_endpoint = metadata.get("token_endpoint")
self.userinfo_endpoint = metadata.get("userinfo_endpoint")
self.end_session_endpoint = metadata.get("end_session_endpoint")
self._loaded = True
logger.info(f"OIDC discovery loaded from {discovery_url}")
return True
except Exception as e:
logger.error(f"Failed to load OIDC discovery: {e}")
return False
class OIDCUtils:
"""OIDC 工具类"""
_metadata: Optional[OIDCProviderMetadata] = None
_state_store: dict[str, dict[str, Any]] = {}
_login_code_store: dict[str, dict[str, Any]] = {}
_state_ttl_seconds = 300
_login_code_ttl_seconds = 60
@classmethod
def _cleanup_expired_state(cls) -> None:
now = time.time()
expired = [k for k, v in cls._state_store.items() if v["expires_at"] <= now]
for key in expired:
cls._state_store.pop(key, None)
@classmethod
def _cleanup_expired_login_code(cls) -> None:
now = time.time()
expired = [k for k, v in cls._login_code_store.items() if v["expires_at"] <= now]
for key in expired:
cls._login_code_store.pop(key, None)
@classmethod
async def get_metadata(cls) -> Optional[OIDCProviderMetadata]:
"""获取 OIDC Provider 元数据"""
if not oidc_config.enabled or not oidc_config.is_configured():
return None
if cls._metadata is None:
cls._metadata = OIDCProviderMetadata()
# 优先使用配置中的端点
if oidc_config.authorization_endpoint:
cls._metadata.authorization_endpoint = oidc_config.authorization_endpoint
cls._metadata.token_endpoint = oidc_config.token_endpoint
cls._metadata.userinfo_endpoint = oidc_config.userinfo_endpoint
cls._metadata.end_session_endpoint = oidc_config.end_session_endpoint
cls._metadata._loaded = True
else:
# 从 discovery 加载
success = await cls._metadata.load(oidc_config.issuer_url)
if not success:
return None
return cls._metadata
@classmethod
def generate_state(cls, redirect_path: str = "/") -> str:
"""生成 state 参数并存储"""
cls._cleanup_expired_state()
state = secrets.token_urlsafe(32)
cls._state_store[state] = {
"redirect_path": redirect_path,
"expires_at": time.time() + cls._state_ttl_seconds,
}
return state
@classmethod
def verify_state(cls, state: str) -> Optional[dict[str, Any]]:
"""验证 state 参数"""
state_data = cls._state_store.pop(state, None)
if not state_data:
return None
if state_data["expires_at"] <= time.time():
return None
return {"redirect_path": state_data["redirect_path"]}
@classmethod
def generate_login_code(cls, payload: dict[str, Any]) -> str:
"""生成一次性短期登录 code"""
cls._cleanup_expired_login_code()
code = secrets.token_urlsafe(32)
cls._login_code_store[code] = {
"payload": payload,
"expires_at": time.time() + cls._login_code_ttl_seconds,
}
return code
@classmethod
def consume_login_code(cls, code: str) -> Optional[dict[str, Any]]:
"""消费一次性短期登录 code"""
data = cls._login_code_store.pop(code, None)
if not data:
return None
if data["expires_at"] <= time.time():
return None
return data["payload"]
@classmethod
def generate_nonce(cls) -> str:
"""生成 nonce 参数"""
return secrets.token_urlsafe(32)
@classmethod
async def build_authorization_url(cls, redirect_path: str = "/") -> Optional[str]:
"""构建授权 URL"""
metadata = await cls.get_metadata()
if not metadata or not metadata.authorization_endpoint:
return None
state = cls.generate_state(redirect_path)
nonce = cls.generate_nonce()
# 构建 redirect_uri
redirect_uri = oidc_config.redirect_uri
if not redirect_uri:
# 自动构建回调 URL
redirect_uri = "/api/auth/oidc/callback"
params = {
"client_id": oidc_config.client_id,
"response_type": "code",
"scope": oidc_config.scopes,
"redirect_uri": redirect_uri,
"state": state,
"nonce": nonce,
}
query_string = urllib.parse.urlencode(params)
return f"{metadata.authorization_endpoint}?{query_string}"
@classmethod
async def exchange_code_for_token(cls, code: str) -> Optional[dict[str, Any]]:
"""用授权码交换令牌"""
metadata = await cls.get_metadata()
if not metadata or not metadata.token_endpoint:
return None
redirect_uri = oidc_config.redirect_uri or "/api/auth/oidc/callback"
data = {
"grant_type": "authorization_code",
"code": code,
"redirect_uri": redirect_uri,
"client_id": oidc_config.client_id,
"client_secret": oidc_config.client_secret,
}
try:
async with httpx.AsyncClient() as client:
response = await client.post(
metadata.token_endpoint,
data=data,
headers={"Content-Type": "application/x-www-form-urlencoded"},
timeout=30.0
)
response.raise_for_status()
return response.json()
except Exception as e:
logger.error(f"Failed to exchange code for token: {e}")
return None
@classmethod
async def get_userinfo(cls, access_token: str) -> Optional[dict[str, Any]]:
"""获取用户信息"""
metadata = await cls.get_metadata()
if not metadata or not metadata.userinfo_endpoint:
return None
try:
async with httpx.AsyncClient() as client:
response = await client.get(
metadata.userinfo_endpoint,
headers={"Authorization": f"Bearer {access_token}"},
timeout=30.0
)
response.raise_for_status()
return response.json()
except Exception as e:
logger.error(f"Failed to get userinfo: {e}")
return None
@classmethod
async def build_logout_url(cls, id_token: Optional[str] = None) -> Optional[str]:
"""构建登出 URL"""
metadata = await cls.get_metadata()
if not metadata or not metadata.end_session_endpoint:
return None
params = {"client_id": oidc_config.client_id}
if id_token:
params["id_token_hint"] = id_token
if oidc_config.redirect_uri:
params["post_logout_redirect_uri"] = oidc_config.redirect_uri
query_string = urllib.parse.urlencode(params)
return f"{metadata.end_session_endpoint}?{query_string}"
@classmethod
def extract_user_info(cls, userinfo: dict[str, Any]) -> dict[str, Any]:
"""从 userinfo 中提取用户信息"""
# 获取 sub (subject) - OIDC 用户的唯一标识
sub = userinfo.get("sub", "")
# 获取用户名
username = userinfo.get(oidc_config.username_claim, "")
if not username:
username = userinfo.get("preferred_username", "")
if not username:
username = userinfo.get("email", "").split("@")[0]
if not username:
username = sub[:20] # 使用 sub 的前20位
# 获取邮箱
email = userinfo.get(oidc_config.email_claim, "")
if not email:
email = userinfo.get("email", "")
# 获取显示名称
name = userinfo.get(oidc_config.name_claim, "")
if not name:
name = userinfo.get("name", "")
if not name:
name = username
return {
"sub": sub,
"username": username,
"email": email,
"name": name,
"raw": userinfo,
}