56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
|
"""
|
|||
|
|
安全相关功能：密码加密、JWT等
|
|||
|
|
"""
|
|||
|
|
from datetime import datetime, timedelta
|
|||
|
|
from typing import Optional
|
|||
|
|
from jose import JWTError, jwt
|
|||
|
|
import bcrypt
|
|||
|
|
from app.core.config import settings
|
|||
|
|
|
|||
|
|
|
|||
|
|
def verify_password(plain_password: str, hashed_password: str) -> bool:
|
|||
|
|
"""验证密码"""
|
|||
|
|
try:
|
|||
|
|
# bcrypt限制密码长度最多72字节
|
|||
|
|
password_bytes = plain_password.encode('utf-8')
|
|||
|
|
if len(password_bytes) > 72:
|
|||
|
|
password_bytes = password_bytes[:72]
|
|||
|
|
return bcrypt.checkpw(password_bytes, hashed_password.encode('utf-8'))
|
|||
|
|
except Exception:
|
|||
|
|
return False
|
|||
|
|
|
|||
|
|
|
|||
|
|
def get_password_hash(password: str) -> str:
|
|||
|
|
"""获取密码哈希"""
|
|||
|
|
# bcrypt限制密码长度最多72字节
|
|||
|
|
password_bytes = password.encode('utf-8')
|
|||
|
|
if len(password_bytes) > 72:
|
|||
|
|
password_bytes = password_bytes[:72]
|
|||
|
|
|
|||
|
|
# 生成盐并哈希密码
|
|||
|
|
salt = bcrypt.gensalt()
|
|||
|
|
hashed = bcrypt.hashpw(password_bytes, salt)
|
|||
|
|
return hashed.decode('utf-8')
|
|||
|
|
|
|||
|
|
|
|||
|
|
def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
|
|||
|
|
"""创建访问令牌"""
|
|||
|
|
to_encode = data.copy()
|
|||
|
|
if expires_delta:
|
|||
|
|
expire = datetime.utcnow() + expires_delta
|
|||
|
|
else:
|
|||
|
|
expire = datetime.utcnow() + timedelta(minutes=settings.JWT_ACCESS_TOKEN_EXPIRE_MINUTES)
|
|||
|
|
|
|||
|
|
to_encode.update({"exp": expire})
|
|||
|
|
encoded_jwt = jwt.encode(to_encode, settings.JWT_SECRET_KEY or settings.SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
|
|||
|
|
return encoded_jwt
|
|||
|
|
|
|||
|
|
|
|||
|
|
def decode_access_token(token: str) -> Optional[dict]:
|
|||
|
|
"""解码访问令牌"""
|
|||
|
|
try:
|
|||
|
|
payload = jwt.decode(token, settings.JWT_SECRET_KEY or settings.SECRET_KEY, algorithms=[settings.JWT_ALGORITHM])
|
|||
|
|
return payload
|
|||
|
|
except JWTError:
|
|||
|
|
return None
|