108 lines
4.2 KiB
Python
108 lines
4.2 KiB
Python
"""Authentication endpoints for API v1."""
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from fastapi import APIRouter, Depends, HTTPException, status, Request, Body
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from fastapi.security import OAuth2PasswordRequestForm
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from jose import JWTError, jwt
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from sqlalchemy.orm import Session
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from typing import List
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from backend.models.user import User
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from backend import auth
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from backend.schemas.user import UserCreate, UserResponse
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from backend.schemas.token import Token
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from backend.database import get_db
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from backend.core.config import settings
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from slowapi import Limiter
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from slowapi.util import get_remote_address
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router = APIRouter(prefix="/api/auth", tags=["authentication"])
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limiter = Limiter(key_func=get_remote_address)
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@router.post("/register", response_model=UserResponse, status_code=status.HTTP_201_CREATED)
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@limiter.limit(f"{settings.RATE_LIMIT_TIMES}/{settings.RATE_LIMIT_SECONDS}s")
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def register(request: Request, user: UserCreate, db: Session = Depends(get_db)):
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"""Register a new user."""
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db_user = db.query(User).filter(User.username == user.username).first()
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if db_user:
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raise HTTPException(status_code=400, detail="Username already registered")
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hashed_password = auth.get_password_hash(user.password)
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new_user = User(username=user.username, hashed_password=hashed_password)
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db.add(new_user)
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db.commit()
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db.refresh(new_user)
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return new_user
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@router.post("/token", response_model=Token)
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@limiter.limit(f"{settings.RATE_LIMIT_TIMES}/{settings.RATE_LIMIT_SECONDS}s")
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def login_for_access_token(
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request: Request,
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form_data: OAuth2PasswordRequestForm = Depends(),
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db: Session = Depends(get_db)
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):
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"""Login and get access token."""
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user = db.query(User).filter(User.username == form_data.username).first()
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if not user or not auth.verify_password(form_data.password, user.hashed_password):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Incorrect username or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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from datetime import timedelta
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access_token_expires = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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access_token = auth.create_access_token(
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data={"sub": user.username}, expires_delta=access_token_expires
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)
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refresh_token_expires = timedelta(minutes=settings.REFRESH_TOKEN_EXPIRE_MINUTES)
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refresh_token = auth.create_refresh_token(
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data={"sub": user.username}, expires_delta=refresh_token_expires
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)
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return {"access_token": access_token, "refresh_token": refresh_token, "token_type": "bearer"}
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@router.post("/refresh", response_model=Token)
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@limiter.limit(f"{settings.RATE_LIMIT_TIMES}/{settings.RATE_LIMIT_SECONDS}s")
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def refresh_token(
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request: Request,
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refresh_token: str = Body(..., embed=True),
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db: Session = Depends(get_db)
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):
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"""Refresh access token using refresh token."""
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(refresh_token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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raise credentials_exception
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except JWTError:
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raise credentials_exception
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user = db.query(User).filter(User.username == username).first()
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if user is None:
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raise credentials_exception
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from datetime import timedelta
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access_token_expires = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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access_token = auth.create_access_token(
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data={"sub": user.username}, expires_delta=access_token_expires
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)
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refresh_token_expires = timedelta(minutes=settings.REFRESH_TOKEN_EXPIRE_MINUTES)
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new_refresh_token = auth.create_refresh_token(
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data={"sub": user.username}, expires_delta=refresh_token_expires
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)
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return {"access_token": access_token, "refresh_token": new_refresh_token, "token_type": "bearer"}
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@router.get("/me", response_model=UserResponse)
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def read_users_me(current_user: User = Depends(auth.get_current_user)):
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"""Get current user information."""
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return current_user
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