60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
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"""
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JWT 签发/校验、密码哈希。
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统一使用 PyJWT（不再使用 python-jose）。
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"""
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import secrets
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from datetime import datetime, timedelta, timezone
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from typing import Dict, Optional
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import bcrypt
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import jwt
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from app.core.config import settings
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ALGORITHM = settings.algorithm
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SECRET_KEY = settings.secret_key
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ACCESS_TOKEN_EXPIRE_MINUTES = settings.access_token_expire_minutes
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REFRESH_TOKEN_EXPIRE_DAYS = settings.refresh_token_expire_days
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def hash_password(password: str) -> str:
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password_bytes = password.encode("utf-8")
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salt = bcrypt.gensalt()
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hashed = bcrypt.hashpw(password_bytes, salt)
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return hashed.decode("utf-8")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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try:
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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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except Exception:
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return False
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def create_access_token(data: Dict, expires_delta: Optional[timedelta] = None) -> str:
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to_encode = data.copy()
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expire = datetime.now(timezone.utc) + (
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expires_delta or timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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)
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to_encode.update({"exp": expire, "type": "access"})
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return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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def create_refresh_token() -> str:
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return secrets.token_urlsafe(32)
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def verify_token(token: str) -> Optional[Dict]:
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try:
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return jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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except jwt.InvalidTokenError:
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return None
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def get_token_expires_at() -> datetime:
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return datetime.now(timezone.utc) + timedelta(days=REFRESH_TOKEN_EXPIRE_DAYS)
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