116 lines
3.8 KiB
Python
116 lines
3.8 KiB
Python
from datetime import datetime, timedelta
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from typing import Optional
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import uuid
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from fastapi import APIRouter, Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from pydantic import BaseModel, EmailStr
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from sqlalchemy.orm import Session
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from app.config import settings
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from app.models.db import get_db, User
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router = APIRouter(prefix="/api/auth", tags=["auth"])
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login", auto_error=False)
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# ── Schemas ────────────────────────────────────────────────────────────────
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class RegisterRequest(BaseModel):
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email: EmailStr
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password: str
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class TokenResponse(BaseModel):
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access_token: str
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token_type: str = "bearer"
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class UserOut(BaseModel):
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id: str
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email: str
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created_at: datetime
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class Config:
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from_attributes = True
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# ── Helpers ────────────────────────────────────────────────────────────────
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def hash_password(password: str) -> str:
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return pwd_context.hash(password)
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def verify_password(plain: str, hashed: str) -> bool:
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return pwd_context.verify(plain, hashed)
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def create_token(user_id) -> str:
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expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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return jwt.encode(
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{"sub": str(user_id), "exp": expire},
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settings.SECRET_KEY,
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algorithm=settings.ALGORITHM,
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)
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def get_current_user(
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token: Optional[str] = Depends(oauth2_scheme),
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db: Session = Depends(get_db),
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) -> Optional[User]:
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if not token:
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return None
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try:
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payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
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user_id_str: str = payload.get("sub")
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if not user_id_str:
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return None
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import uuid as _uuid
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user_id = _uuid.UUID(user_id_str)
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except (JWTError, ValueError):
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return None
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return db.query(User).filter(User.id == user_id).first()
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def require_user(current_user: Optional[User] = Depends(get_current_user)) -> User:
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if not current_user:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Not authenticated",
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headers={"WWW-Authenticate": "Bearer"},
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)
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return current_user
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# ── Endpoints ──────────────────────────────────────────────────────────────
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@router.post("/register", response_model=UserOut, status_code=status.HTTP_201_CREATED)
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def register(body: RegisterRequest, db: Session = Depends(get_db)):
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if db.query(User).filter(User.email == body.email).first():
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raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail="Email already registered")
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user = User(
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email=body.email,
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hashed_password=hash_password(body.password),
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)
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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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@router.post("/login", response_model=TokenResponse)
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def login(form: OAuth2PasswordRequestForm = Depends(), db: Session = Depends(get_db)):
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user = db.query(User).filter(User.email == form.username).first()
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if not user or not verify_password(form.password, user.hashed_password):
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raise HTTPException(status_code=400, detail="Incorrect email or password")
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return {"access_token": create_token(user.id)}
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@router.get("/me", response_model=UserOut)
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def me(current_user: User = Depends(require_user)):
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return current_user
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