optional bool allowed = 1;

  // Denied is optional. True if the action would be denied, otherwise
  // false. If both allowed is false and denied is false, then the
  // authorizer has no opinion on whether to authorize the action. Denied
  // may not be true if Allowed is true.
  // +optional
  optional bool denied = 4;

  // Reason is optional.  It indicates why a request was allowed or denied.
  // +optional

    这就是遵循标准的好处……

## 实际效果

打开 API 文档：<a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>。

### 身份验证

点击**Authorize**按钮。

使用以下凭证：

用户名：`johndoe`

密码：`secret`

<img src="https://fastapi.tiangolo.com/img/tutorial/security/image04.png">

通过身份验证后，显示下图所示的内容：

  optional bool allowed = 1;

  // Denied is optional. True if the action would be denied, otherwise
  // false. If both allowed is false and denied is false, then the
  // authorizer has no opinion on whether to authorize the action. Denied
  // may not be true if Allowed is true.
  // +optional
  optional bool denied = 4;

  // Reason is optional.  It indicates why a request was allowed or denied.
  // +optional

Вы увидите примерно следующее:

<img src="/img/tutorial/security/image01.png">

!!! check "Кнопка авторизации!"
    У вас уже появилась новая кнопка "Authorize".

    А у *операции пути* теперь появился маленький замочек в правом верхнем углу, на который можно нажать.

    ```Python hl_lines="62-65"
    {!> ../../../docs_src/security/tutorial005.py!}
    ```

Because we are now declaring those scopes, they will show up in the API docs when you log-in/authorize.

And you will be able to select which scopes you want to give access to: `me` and `items`.

This is the same mechanism used when you give permissions while logging in with Facebook, Google, GitHub, etc:

    list.add("a");
    list.add("b");
    Iterator<String> iterator = list.iterator();
    assertEquals("b", get(iterator, 1));
    assertFalse(iterator.hasNext());
  }

  public void testGet_atSize() {
    List<String> list = newArrayList();
    list.add("a");
    list.add("b");
    Iterator<String> iterator = list.iterator();
    try {
      get(iterator, 2);
      fail();

    그것이 표준의 이점입니다 ...

## 확인하기

대화형 문서 열기: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

### 인증하기

"Authorize" 버튼을 눌러봅시다.

자격 증명을 사용합니다.

유저명: `johndoe`

패스워드: `secret`

<img src="/img/tutorial/security/image04.png">

시스템에서 인증하면 다음과 같이 표시됩니다:

<img src="/img/tutorial/security/image05.png">

Öffnen Sie die interaktive Dokumentation: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

### Authentifizieren

Klicken Sie auf den Button „Authorize“.

Verwenden Sie die Anmeldedaten:

Benutzer: `johndoe`

Passwort: `secret`.

<img src="/img/tutorial/security/image04.png">

Nach der Authentifizierung im System sehen Sie Folgendes:

## See it in action

Open the interactive docs: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

### Authenticate

Click the "Authorize" button.

Use the credentials:

User: `johndoe`

Password: `secret`

<img src="/img/tutorial/security/image04.png">

After authenticating in the system, you will see it like:

        final String nonce = UuidUtil.create();
        storeStateInSession(request.getSession(), state, nonce);
        final String authUrl = getAuthority() + getTenant()
                + "/oauth2/authorize?response_type=code&scope=directory.read.all&response_mode=form_post&redirect_uri="
                + URLEncoder.encode(getReplyUrl(request), Constants.UTF_8_CHARSET) + "&client_id=" + getClientId()