82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
from fastapi import Depends, APIRouter, status, HTTPException
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from fastapi.security import OAuth2PasswordRequestForm
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from fastapi.responses import Response
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from datetime import timedelta
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from typing import Annotated
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from app.util.authentication import (
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create_access_token,
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authenticate_user,
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refresh_get_current_user,
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)
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from app.schemas.auth_schemas import Token, User
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from app.util.db_dependency import get_db
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router = APIRouter(prefix="/auth", tags=["auth"])
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@router.post("/token", summary="Authenticate and get an access token")
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async def login_for_access_token(
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form_data: Annotated[OAuth2PasswordRequestForm, Depends()],
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response: Response,
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db=Depends(get_db),
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) -> Token:
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"""
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Return an access token for the user, if the given authentication details are correct
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"""
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user = authenticate_user(db, form_data.username, form_data.password)
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if not user:
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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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access_token_expires = timedelta(minutes=15)
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access_token = create_access_token(
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data={"sub": user.id, "username": user.username, "refresh": False},
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expires_delta=access_token_expires,
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)
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# Create a refresh token - just an access token with a longer expiry
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# and more restrictions ("refresh" is True)
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refresh_token_expires = timedelta(days=1)
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refresh_token = create_access_token(
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data={"sub": user.id, "username": user.username, "refresh": True},
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expires_delta=refresh_token_expires,
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)
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# response = JSONResponse(content={"success": True})
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# response.set_cookie(
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# key="access_token", value=access_token, httponly=True, samesite="lax"
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# )
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# response.set_cookie(
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# key="refresh_token", value=refresh_token, httponly=True, samesite="lax"
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# )
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# For Swagger UI to work, must return the token
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return Token(
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access_token=access_token,
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refresh_token=refresh_token,
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token_type="bearer",
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)
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# Full native JWT support is not complete in FastAPI yet :(
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# Part of that is token refresh, so we must implement it ourselves
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@router.post("/refresh")
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async def refresh_access_token(
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current_user: Annotated[User, Depends(refresh_get_current_user)],
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) -> Token:
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"""
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Return a new access token if the refresh token is valid
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"""
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access_token_expires = timedelta(minutes=30)
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access_token = create_access_token(
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data={"sub": current_user.id, "refresh": False},
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expires_delta=access_token_expires,
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)
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return Token(
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access_token=access_token,
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token_type="bearer",
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)
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