///

## OpenID Connect

OpenID Connectは、**OAuth2**をベースにした別の仕様です。

これはOAuth2を拡張したもので、OAuth2ではやや曖昧だった部分を明確にし、より相互運用性を高めようとしたものです。

例として、GoogleのログインはOpenID Connectを使用しています（これはOAuth2がベースになっています）。

しかし、FacebookのログインはOpenID Connectをサポートしていません。OAuth2を独自にアレンジしています。

### OpenID (「OpenID Connect」ではない)

また、「OpenID」という仕様もありました。それは、**OpenID Connect**と同じことを解決しようとしたものですが、OAuth2に基づいているわけではありませんでした。

つまり、完全な追加システムだったのです。

from .http import HTTPDigest as HTTPDigest
from .oauth2 import OAuth2 as OAuth2
from .oauth2 import OAuth2AuthorizationCodeBearer as OAuth2AuthorizationCodeBearer
from .oauth2 import OAuth2PasswordBearer as OAuth2PasswordBearer
from .oauth2 import OAuth2PasswordRequestForm as OAuth2PasswordRequestForm
from .oauth2 import OAuth2PasswordRequestFormStrict as OAuth2PasswordRequestFormStrict
from .oauth2 import SecurityScopes as SecurityScopes

::: fastapi.security.HTTPBasicCredentials

## OAuth2 Authentication

::: fastapi.security.OAuth2

::: fastapi.security.OAuth2AuthorizationCodeBearer

::: fastapi.security.OAuth2PasswordBearer

## OAuth2 Password Form

::: fastapi.security.OAuth2PasswordRequestForm

::: fastapi.security.OAuth2PasswordRequestFormStrict

## OAuth2 Security Scopes in Dependencies

::: fastapi.security.SecurityScopes

                        },
                        "security": [{"OAuth2AuthorizationCodeBearer": []}],
                    }
                },
                "/with-oauth2-scheme": {
                    "get": {
                        "summary": "Read With Oauth2 Scheme",
                        "operationId": "read_with_oauth2_scheme_with_oauth2_scheme_get",
                        "responses": {
                            "200": {

from typing import Optional

import pytest
from fastapi import Depends, FastAPI, Security
from fastapi.security import OAuth2, OAuth2PasswordRequestFormStrict
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }

from fastapi.security import OAuth2, OAuth2PasswordRequestFormStrict
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }
    },
    description="OAuth2 security scheme",
    auto_error=False,
)

## O fluxo de `password` { #the-password-flow }

Agora vamos voltar um pouco e entender o que é isso tudo.

O "fluxo" `password` é uma das formas ("fluxos") definidas no OAuth2 para lidar com segurança e autenticação.

O OAuth2 foi projetado para que o backend ou a API pudesse ser independente do servidor que autentica o usuário.

Mas, neste caso, a mesma aplicação **FastAPI** irá lidar com a API e com a autenticação.

## El flujo `password` { #the-password-flow }

Ahora retrocedamos un poco y entendamos qué es todo eso.

El "flujo" `password` es una de las formas ("flujos") definidas en OAuth2, para manejar la seguridad y la autenticación.

OAuth2 fue diseñado para que el backend o la API pudieran ser independientes del servidor que autentica al usuario.

Pero en este caso, la misma aplicación de **FastAPI** manejará la API y la autenticación.

## The `password` flow { #the-password-flow }

Now let's go back a bit and understand what is all that.

The `password` "flow" is one of the ways ("flows") defined in OAuth2, to handle security and authentication.

OAuth2 was designed so that the backend or API could be independent of the server that authenticates the user.

But in this case, the same **FastAPI** application will handle the API and the authentication.

                    "type": "oauth2",
                    "flows": {
                        "authorizationCode": {
                            "authorizationUrl": "authorize",
                            "tokenUrl": "token",
                            "scopes": {},
                        }
                    },
                    "description": "OAuth2 Code Bearer",
                }
            }