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basic_auth_users.py
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# Clase en vídeo: https://youtu.be/_y9qQZXE24A?t=14094
### Users API con autorización OAuth2 básica ###
from fastapi import APIRouter, Depends, HTTPException, status
from pydantic import BaseModel
from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
router = APIRouter(prefix="/basicauth",
tags=["basicauth"],
responses={status.HTTP_404_NOT_FOUND: {"message": "No encontrado"}})
oauth2 = OAuth2PasswordBearer(tokenUrl="login")
class User(BaseModel):
username: str
full_name: str
email: str
disabled: bool
class UserDB(User):
password: str
users_db = {
"mouredev": {
"username": "mouredev",
"full_name": "Brais Moure",
"email": "braismoure@mourede.com",
"disabled": False,
"password": "123456"
},
"mouredev2": {
"username": "mouredev2",
"full_name": "Brais Moure 2",
"email": "braismoure2@mourede.com",
"disabled": True,
"password": "654321"
}
}
def search_user_db(username: str):
if username in users_db:
return UserDB(**users_db[username])
def search_user(username: str):
if username in users_db:
return User(**users_db[username])
async def current_user(token: str = Depends(oauth2)):
user = search_user(token)
if not user:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Credenciales de autenticación inválidas",
headers={"WWW-Authenticate": "Bearer"})
if user.disabled:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="Usuario inactivo")
return user
@router.post("/login")
async def login(form: OAuth2PasswordRequestForm = Depends()):
user_db = users_db.get(form.username)
if not user_db:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST, detail="El usuario no es correcto")
user = search_user_db(form.username)
if not form.password == user.password:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST, detail="La contraseña no es correcta")
return {"access_token": user.username, "token_type": "bearer"}
@router.get("/users/me")
async def me(user: User = Depends(current_user)):
return user