138 lines
4.7 KiB
Python
138 lines
4.7 KiB
Python
from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from fastapi import Depends, HTTPException, status, Request
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.orm import Session
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from database import get_async_db, get_db, User
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import os
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SECRET_KEY = os.getenv("SECRET_KEY", "supersecretkey-change-in-production")
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 60 * 24 * 7
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def decode_token(token: str) -> Optional[dict]:
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if not token:
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return None
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try:
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return jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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except JWTError:
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return None
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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return pwd_context.hash(password)
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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.utcnow() + (expires_delta or timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES))
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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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async def get_current_user_from_token(token: str, db) -> Optional[User]:
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if not token:
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return None
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payload = decode_token(token)
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if not payload:
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return None
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username = payload.get("sub")
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if not username:
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return None
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if isinstance(db, AsyncSession):
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result = await db.execute(select(User).where(User.username == username))
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return result.scalar_one_or_none()
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return db.query(User).filter(User.username == username).first()
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async def get_current_user_optional(request: Request, db=Depends(get_async_db)) -> Optional[User]:
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token = request.cookies.get("access_token")
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if not token:
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return None
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if token.startswith("Bearer "):
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token = token[7:]
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return await get_current_user_from_token(token, db)
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async def get_current_user(request: Request, db=Depends(get_async_db)) -> User:
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token = request.cookies.get("access_token")
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if not token:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Not authenticated")
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if token.startswith("Bearer "):
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token = token[7:]
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user = await get_current_user_from_token(token, db)
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if user is None:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid credentials")
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return user
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async def get_current_admin(request: Request, db=Depends(get_async_db)) -> User:
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user = await get_current_user(request, db)
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if not user.is_admin:
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Admin access required")
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return user
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# ─── Sync auth deps (for non-converted endpoints) ──────────────────────────
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async def get_current_user_sync(request: Request, db=Depends(get_db)) -> User:
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token = request.cookies.get("access_token")
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if not token:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Not authenticated")
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if token.startswith("Bearer "):
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token = token[7:]
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user = db.query(User).filter(User.username == decode_token(token).get("sub")).first() if decode_token(token) else None
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if user is None:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid credentials")
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return user
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async def get_current_user_optional_sync(request: Request, db=Depends(get_db)) -> Optional[User]:
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token = request.cookies.get("access_token")
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if not token:
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return None
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if token.startswith("Bearer "):
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token = token[7:]
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payload = decode_token(token)
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if not payload:
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return None
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return db.query(User).filter(User.username == payload.get("sub")).first()
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def create_user(db: Session, username: str, password: str) -> User:
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hashed = get_password_hash(password)
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user = User(username=username, hashed_password=hashed, balance=1000.0)
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db.add(user)
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db.commit()
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db.refresh(user)
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return user
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def authenticate_user(db: Session, username: str, password: str) -> Optional[User]:
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user = db.query(User).filter(User.username == username).first()
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if not user or not verify_password(password, user.hashed_password):
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return None
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return user
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def is_item_craftable(item_id: int) -> bool:
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from backend import get_item, is_final_in_collection
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item = get_item(item_id)
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if not item:
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return False
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if not item.get("is_craftable", True):
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return False
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if is_final_in_collection(item):
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return False
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return True
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