423baff73b
- Docker bridge 网络隔离(8000 端口封死) - Gunicorn 4 Worker 多进程 - Alembic 数据库迁移基线 - 日志轮转 20m×3 - JWT 密钥 + DB 密码 + CORS 收紧 - 3-2-1 备份链路(NAS + R740-B 冷备) - 连接池 pool_pre_ping + pool_recycle=3600
65 lines
1.9 KiB
Python
65 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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安全模块:JWT 令牌签发/验证 + 密码哈希
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使用 python-jose 进行 JWT 操作,bcrypt 直接进行密码哈希。
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注意:passlib 已不再维护,与 bcrypt>=5.0 不兼容,故直接使用 bcrypt 库。
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"""
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from datetime import datetime, timedelta, timezone
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import bcrypt
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from jose import JWTError, jwt
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from app.core.config import settings
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def hash_password(plain_password: str) -> str:
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"""将明文密码哈希为 bcrypt 格式存储"""
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return bcrypt.hashpw(
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plain_password.encode("utf-8"), bcrypt.gensalt()
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).decode("utf-8")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""校验明文密码与数据库中的哈希值是否匹配"""
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return bcrypt.checkpw(
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plain_password.encode("utf-8"),
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hashed_password.encode("utf-8"),
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)
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def create_access_token(
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subject: str,
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role: str,
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expires_delta: timedelta | None = None,
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) -> str:
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"""
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签发 JWT 访问令牌。
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:param subject: 用户标识 (通常是 username 或 user_id)
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:param role: 用户角色 (admin / user),嵌入 claims 供前端和后端鉴权
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:param expires_delta: 自定义过期时间,默认使用配置值
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"""
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expire = datetime.now(timezone.utc) + (
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expires_delta or timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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)
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payload = {
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"sub": subject,
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"role": role,
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"exp": expire,
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}
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return jwt.encode(payload, settings.SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
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def decode_access_token(token: str) -> dict | None:
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"""
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解码并验证 JWT 令牌。
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:return: payload 字典,失败返回 None
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"""
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try:
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payload = jwt.decode(
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token, settings.SECRET_KEY, algorithms=[settings.JWT_ALGORITHM]
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)
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return payload
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except JWTError:
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return None
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