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fix(backend): Phase 1 后端代码清理与修复
P0 关键修复:
- P0-1: 注册接口添加 RateLimitMiddleware 限流保护
- P0-3: /metrics 端点添加 JWT 认证(移除匿名访问)
- P0-4: 修复 Celery 任务名冲突(generation_task vs generate_video)
- P1-5: JWT logout token 黑名单机制

P1 修复:
- P1-1: forgot_password 硬编码 localhost → 使用 settings.APP_BASE_URL
- P1-2: generation.py 直接创建 DB 连接 → 使用依赖注入
- P1-6: Image.open() 未关闭 → 统一使用 with 语句
- P1-7: 订阅续费事务修复

P2 代码质量:
- P2-1: 修复 EditingMode 枚举重复定义 → 统一引用 shared 包
- P2-2: 修复 SMTP_FRON_NAME → SMTP_FROM_NAME 拼写
- P2-3: UserModel subscription_quota 类型统一为 float
- P2-4: .env.production DATABASE_MAX_OVERFLOW 30 → 10
- 清理 15 处 except:pass(保留 2 处有注释说明的)
- 禁用 SVG 上传(XSS 风险)
- 删除 decode_token_unsafe() 不安全函数
- 简化 /ready 端点
- 删除 8 处死代码、10 个空文件/模块
- 合并 3 对 100% 重复函数
- 对齐 6 个废弃环境变量

v2 修复(代码审查后):
- 修复密码重置路由路径: /password/forgot → /forgot-password,
  /password/reset → /reset-password(与前端 API 对齐)
- 合并 _check_project_access: asset_libraries.py 和 edit_plans.py
  中的重复函数统一到 _helpers.py(含空字符串守卫 + 中文错误信息)
- 顺手修复: HTTPException 统一从 fastapi 导入(替换 starlette 导入)
- OSS_ENDPOINT 拼写修复拆分为单独 PR,本 PR 不包含
2026-07-13 13:50:52 +08:00

138 lines
3.6 KiB
Python

"""
JWT 处理器委托层
此模块作为 Domain 层 (packages.domain.auth.jwt_service) 和 Application 层之间的委托层,
隔离 Domain 层对 jwt 库的直接依赖。
使用方式:
from packages.application.auth.jwt_handler import JWTHandler, get_jwt_handler
jwt_handler = JWTHandler(secret_key="<YOUR_SECRET_KEY>")
token = jwt_handler.create_access_token(user_id="user123", role="admin")
payload = jwt_handler.verify_access_token(token)
"""
from typing import Any, Dict, Optional
from packages.application.auth.jwt_service import JWTConfig, JWTService
class JWTHandler:
"""
JWT 处理器委托类
委托给 packages.domain.auth.jwt_service.JWTService 进行实际的 JWT 操作,
此层仅负责配置和封装,不直接依赖 jwt 库。
"""
def __init__(self, secret_key: str, algorithm: str = "HS256", access_token_expire_minutes: int = 30):
"""
初始化 JWT 处理器
Args:
secret_key: JWT 签名密钥(必须从环境变量或配置注入)
algorithm: 加密算法,默认 HS256
access_token_expire_minutes: Access Token 过期时间(分钟)
"""
config = JWTConfig(
secret_key=secret_key,
algorithm=algorithm,
access_token_expire_minutes=access_token_expire_minutes,
)
self._service = JWTService(config)
def create_access_token(
self,
user_id: str,
role: str = "",
additional_claims: Optional[Dict[str, Any]] = None,
) -> str:
"""
创建 access_token
Args:
user_id: 用户 ID
role: 用户角色
additional_claims: 额外的声明信息
Returns:
JWT Token 字符串
"""
return self._service.create_access_token(
user_id=user_id,
role=role,
additional_claims=additional_claims,
)
def verify_access_token(self, token: str) -> Dict[str, Any]:
"""
验证 access_token
Args:
token: JWT Token 字符串
Returns:
Token payload
Raises:
ExpiredSignatureError: Token 已过期
ValueError: Token 类型不是 access
"""
return self._service.verify_access_token(token)
def verify_token(self, token: str) -> Dict[str, Any]:
"""
验证任意 Token
Args:
token: JWT Token 字符串
Returns:
Token payload
"""
return self._service.verify_token(token)
# 默认处理器实例(需要通过 configure_jwt_handler 配置)
_default_handler: Optional[JWTHandler] = None
def configure_jwt_handler(
secret_key: str,
algorithm: str = "HS256",
access_token_expire_minutes: int = 30,
) -> JWTHandler:
"""
配置全局 JWT 处理器
Args:
secret_key: JWT 签名密钥
algorithm: 加密算法
access_token_expire_minutes: Access Token 过期时间(分钟)
Returns:
配置好的 JWTHandler 实例
"""
global _default_handler
_default_handler = JWTHandler(
secret_key=secret_key,
algorithm=algorithm,
access_token_expire_minutes=access_token_expire_minutes,
)
return _default_handler
def get_jwt_handler() -> JWTHandler:
"""
获取全局 JWT 处理器
Returns:
JWTHandler 实例
Raises:
RuntimeError: 如果尚未配置 JWT 处理器
"""
if _default_handler is None:
raise RuntimeError("JWT handler not configured. Call configure_jwt_handler() first.")
return _default_handler