54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
from datetime import datetime, timedelta
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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 jwt
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from pydantic import BaseModel
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from ..config import (ACCESS_TOKEN_EXPIRE_MINUTES, ALGORITHM, CRYPT_CONTEXT,
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SECRET_KEY)
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from ..db.model import User
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router = APIRouter(prefix="/auth")
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SCHEME = OAuth2PasswordBearer(
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tokenUrl=f".{router.prefix}/token"
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)
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class Token(BaseModel):
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access_token: str
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token_type: str
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def create_access_token(data: dict, expires_delta: timedelta | None = None):
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to_encode = data.copy()
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if expires_delta is None:
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expires_delta = timedelta(minutes=15)
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to_encode.update({"exp": datetime.utcnow() + expires_delta})
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return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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@router.post("/token", response_model=Token)
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async def login_for_access_token(
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form_data: OAuth2PasswordRequestForm = Depends()
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):
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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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user = User.get_by_name(form_data.username)
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if user is None:
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CRYPT_CONTEXT.dummy_verify()
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raise credentials_exception
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if not user.verify(form_data.password):
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raise credentials_exception
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access_token = create_access_token(
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data={"sub": user.name},
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expires_delta=timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES),
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)
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return {"access_token": access_token, "token_type": "bearer"}
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