volsu-contests/backend/app/services/auth.py
2025-11-30 19:55:50 +03:00

39 lines
1.2 KiB
Python

from datetime import datetime, timedelta
import bcrypt
from jose import jwt, JWTError
from app.config import settings
def get_password_hash(password: str) -> str:
pwd_bytes = password.encode("utf-8")[:72]
salt = bcrypt.gensalt()
hashed = bcrypt.hashpw(pwd_bytes, salt)
return hashed.decode("utf-8")
def verify_password(plain_password: str, hashed_password: str) -> bool:
pwd_bytes = plain_password.encode("utf-8")[:72]
hashed_bytes = hashed_password.encode("utf-8")
return bcrypt.checkpw(pwd_bytes, hashed_bytes)
def create_access_token(data: dict, expires_delta: timedelta | None = None) -> str:
to_encode = data.copy()
if expires_delta:
expire = datetime.utcnow() + expires_delta
else:
expire = datetime.utcnow() + timedelta(minutes=settings.access_token_expire_minutes)
to_encode.update({"exp": expire})
encoded_jwt = jwt.encode(to_encode, settings.secret_key, algorithm=settings.algorithm)
return encoded_jwt
def decode_token(token: str) -> dict | None:
try:
payload = jwt.decode(token, settings.secret_key, algorithms=[settings.algorithm])
return payload
except JWTError as e:
print(f"JWT decode error: {e}")
return None