wehub-resource-sync
107 lines
3.7 KiB
Python
107 lines
3.7 KiB
Python
import hashlib
|
|
import os
|
|
import secrets
|
|
from datetime import timedelta
|
|
from typing import Any
|
|
|
|
import jwt
|
|
from argon2 import PasswordHasher
|
|
from argon2.exceptions import InvalidHash, VerificationError, VerifyMismatchError
|
|
|
|
from yuxi.utils.datetime_utils import utc_now
|
|
|
|
JWT_ALGORITHM = "HS256"
|
|
JWT_EXPIRATION = 7 * 24 * 60 * 60
|
|
JWT_AUDIENCE = "yuxi-know-api"
|
|
PUBLIC_DEFAULT_JWT_SECRET_KEY = "yuxi_know_secure_key"
|
|
PASSWORD_HASHER = PasswordHasher()
|
|
|
|
|
|
def _is_production_env() -> bool:
|
|
return os.environ.get("YUXI_ENV", "development").strip().lower() in {"prod", "production"}
|
|
|
|
|
|
def _get_or_create_dev_env(name: str, value_factory) -> str:
|
|
value = os.environ.get(name, "").strip()
|
|
if value:
|
|
return value
|
|
if _is_production_env():
|
|
raise ValueError(f"{name} 未配置，请在生产环境的 .env.prod 中设置持久化随机值")
|
|
|
|
value = value_factory()
|
|
os.environ[name] = value
|
|
print(f"{name} 未配置，开发环境已自动生成临时随机值，服务重启后会重新生成。")
|
|
return value
|
|
|
|
|
|
def _get_jwt_secret_key() -> str:
|
|
secret_key = _get_or_create_dev_env("JWT_SECRET_KEY", lambda: secrets.token_hex(32))
|
|
if _is_production_env() and secret_key == PUBLIC_DEFAULT_JWT_SECRET_KEY:
|
|
raise ValueError("JWT_SECRET_KEY 不能使用公开默认密钥，请重新生成随机强密钥")
|
|
return secret_key
|
|
|
|
|
|
def _get_jwt_issuer() -> str:
|
|
instance_id = _get_or_create_dev_env("YUXI_INSTANCE_ID", lambda: f"instance-{secrets.token_hex(8)}")
|
|
return f"yuxi-know:{instance_id}"
|
|
|
|
|
|
class AuthUtils:
|
|
@staticmethod
|
|
def generate_api_key() -> tuple[str, str, str]:
|
|
random_part = secrets.token_hex(24)
|
|
full_key = f"yxkey_{random_part}"
|
|
key_hash = hashlib.sha256(full_key.encode()).hexdigest()
|
|
key_prefix = full_key[:12]
|
|
return full_key, key_hash, key_prefix
|
|
|
|
@staticmethod
|
|
def hash_password(password: str) -> str:
|
|
return PASSWORD_HASHER.hash(password)
|
|
|
|
@staticmethod
|
|
def verify_password(stored_password: str, provided_password: str) -> bool:
|
|
if not stored_password.startswith("$argon2"):
|
|
return False
|
|
try:
|
|
return PASSWORD_HASHER.verify(stored_password, provided_password)
|
|
except (InvalidHash, VerifyMismatchError, VerificationError):
|
|
return False
|
|
|
|
@staticmethod
|
|
def create_access_token(data: dict[str, Any], expires_delta: timedelta | None = None) -> str:
|
|
to_encode = data.copy()
|
|
expire = utc_now() + (expires_delta or timedelta(seconds=JWT_EXPIRATION))
|
|
to_encode.update({"exp": expire, "iss": _get_jwt_issuer(), "aud": JWT_AUDIENCE})
|
|
return jwt.encode(to_encode, _get_jwt_secret_key(), algorithm=JWT_ALGORITHM)
|
|
|
|
@staticmethod
|
|
def decode_token(token: str) -> dict[str, Any] | None:
|
|
try:
|
|
return jwt.decode(
|
|
token,
|
|
_get_jwt_secret_key(),
|
|
algorithms=[JWT_ALGORITHM],
|
|
issuer=_get_jwt_issuer(),
|
|
audience=JWT_AUDIENCE,
|
|
options={"require": ["exp", "sub", "iss", "aud"]},
|
|
)
|
|
except (jwt.PyJWTError, ValueError):
|
|
return None
|
|
|
|
@staticmethod
|
|
def verify_access_token(token: str) -> dict[str, Any]:
|
|
try:
|
|
return jwt.decode(
|
|
token,
|
|
_get_jwt_secret_key(),
|
|
algorithms=[JWT_ALGORITHM],
|
|
issuer=_get_jwt_issuer(),
|
|
audience=JWT_AUDIENCE,
|
|
options={"require": ["exp", "sub", "iss", "aud"]},
|
|
)
|
|
except jwt.ExpiredSignatureError:
|
|
raise ValueError("令牌已过期")
|
|
except jwt.InvalidTokenError:
|
|
raise ValueError("无效的令牌")
|