46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
import os
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import bcrypt
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from datetime import datetime, timedelta, timezone
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from jose import jwt, JWTError
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from fastapi import HTTPException, Security, status
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
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SECRET_KEY = os.getenv("SECRET_KEY", "production_game_secret_key_change_in_production_jwt")
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_DAYS = 365
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security = HTTPBearer()
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def hash_password(password: str) -> str:
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# Truncate password to 72 bytes as per bcrypt spec
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pwd_bytes = password.encode('utf-8')[:72]
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salt = bcrypt.gensalt()
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return bcrypt.hashpw(pwd_bytes, salt).decode('utf-8')
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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pwd_bytes = plain_password.encode('utf-8')[:72]
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hashed_bytes = hashed_password.encode('utf-8')
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return bcrypt.checkpw(pwd_bytes, hashed_bytes)
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def create_access_token(data: dict) -> str:
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to_encode = data.copy()
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expire = datetime.now(timezone.utc) + timedelta(days=ACCESS_TOKEN_EXPIRE_DAYS)
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to_encode.update({"exp": expire})
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return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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def get_current_user_id(credentials: HTTPAuthorizationCredentials = Security(security)) -> int:
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token = credentials.credentials
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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user_id = payload.get("sub")
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if user_id is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid authentication token",
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)
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return int(user_id)
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except (JWTError, ValueError):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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)
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