Files
FastapiAdmin/backend/app/core/security.py
T
zhangtao 94a527ab6c feat: 新增隐私政策页面并优化设置模块
refactor: 重构用户信息存储和主题管理逻辑

fix: 修正登录类型字段缺失问题

style: 统一页面导航栏样式和布局

docs: 更新README和文档内容

chore: 清理无用代码和资源文件

perf: 优化网络请求和错误处理逻辑

test: 更新API测试用例

build: 更新依赖版本和构建配置

ci: 调整CI/CD脚本配置
2025-08-24 21:08:48 +08:00

116 lines
3.8 KiB
Python

# -*- coding: utf-8 -*-
import jwt
from typing import Dict, Optional
from fastapi import Form, Request
from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
from fastapi.security.utils import get_authorization_scheme_param
from app.core.exceptions import CustomException
from app.api.v1.schemas.system.auth_schema import JWTPayloadSchema
from app.config.setting import settings
class CustomOAuth2PasswordBearer(OAuth2PasswordBearer):
"""自定义OAuth2认证类,继承自OAuth2PasswordBearer"""
def __init__(
self,
token_url: str,
scheme_name: Optional[str] = None,
scopes: Optional[Dict[str, str]] = None,
description: Optional[str] = None,
auto_error: bool = True
) -> None:
super().__init__(
tokenUrl=token_url,
scheme_name=scheme_name,
scopes=scopes,
description=description,
auto_error=auto_error
)
async def __call__(self, request: Request) -> Optional[str]:
"""重写认证方法,校验token"""
authorization = request.headers.get("Authorization")
scheme, token = get_authorization_scheme_param(authorization)
if not authorization or scheme.lower() != settings.TOKEN_TYPE:
if self.auto_error:
raise CustomException(msg="请登录后再试")
return None
return token
class CustomOAuth2PasswordRequestForm(OAuth2PasswordRequestForm):
"""自定义登录表单,扩展验证码等字段"""
def __init__(
self,
grant_type: str | None = Form(default=None, regex='password'),
scope: str = Form(default=''),
client_id: Optional[str] = Form(default=None),
client_secret: Optional[str] = Form(default=None),
username: str = Form(),
password: str = Form(),
captcha_key: Optional[str] = Form(default=""),
captcha: Optional[str] = Form(default=""),
login_type: Optional[str] = Form(default="PC端", description="PC端 | 移动端")
):
super().__init__(
grant_type=grant_type,
scope=scope,
client_id=client_id,
client_secret=client_secret,
username=username,
password=password,
)
self.captcha_key = captcha_key
self.captcha = captcha
self.login_type = login_type
# OAuth2认证配置
OAuth2Schema = CustomOAuth2PasswordBearer(
token_url="system/auth/login",
description="认证"
)
def create_access_token(payload: JWTPayloadSchema) -> str:
"""生成JWT访问令牌"""
payload_dict = payload.model_dump()
return jwt.encode(
payload=payload_dict,
key=settings.SECRET_KEY,
algorithm=settings.ALGORITHM
)
def decode_access_token(token: str) -> JWTPayloadSchema:
"""解析JWT访问令牌"""
if not token:
raise CustomException(msg="认证不存在,请重新登录", code=10401, status_code=401)
try:
payload = jwt.decode(
jwt=token,
key=settings.SECRET_KEY,
algorithms=[settings.ALGORITHM]
)
online_user_info = payload.get("sub")
if not online_user_info:
raise CustomException(msg="无效认证,请重新登录", code=10401, status_code=401)
return JWTPayloadSchema(**payload)
except (jwt.InvalidSignatureError, jwt.DecodeError):
raise CustomException(msg="无效认证,请重新登录", code=10401, status_code=401)
except jwt.ExpiredSignatureError:
raise CustomException(msg="认证已过期,请重新登录", code=10401, status_code=401)
except jwt.InvalidTokenError:
raise CustomException(msg="token已失效,请重新登录", code=10401, status_code=401)