///

/// info

In this example we use invented custom headers `X-Key` and `X-Token`.

But in real cases, when implementing security, you would get more benefits from using the integrated [Security utilities (the next chapter)](../security/index.md){.internal-link target=_blank}.

///

## Dependencies errors and return values { #dependencies-errors-and-return-values }

# 🏧 💂‍♂

## 🌖 ⚒

📤 ➕ ⚒ 🍵 💂‍♂ ↖️ ⚪️➡️ 🕐 📔 [🔰 - 👩‍💻 🦮: 💂‍♂](../../tutorial/security/index.md){.internal-link target=_blank}.

/// tip

⏭ 📄 **🚫 🎯 "🏧"**.

 & ⚫️ 💪 👈 👆 ⚙️ 💼, ⚗ 1️⃣ 👫.

///

## ✍ 🔰 🥇

⏭ 📄 🤔 👆 ⏪ ✍ 👑 [🔰 - 👩‍💻 🦮: 💂‍♂](../../tutorial/security/index.md){.internal-link target=_blank}.

          Security.insertProviderAt(BouncyCastleProvider(), 1)
          Security.insertProviderAt(BouncyCastleJsseProvider(), 2)
        } else if (platformSystemProperty == CORRETTO_PROPERTY) {
          AmazonCorrettoCryptoProvider.install()

          AmazonCorrettoCryptoProvider.INSTANCE.assertHealthy()
        }

        Platform.resetForTests()

/// tip | Consejo

Las siguientes secciones **no son necesariamente "avanzadas"**.

Y es posible que para tu caso de uso, la solución esté en una de ellas.

///

## Lee primero el Tutorial

Las siguientes secciones asumen que ya leíste el [Tutorial - Guía del Usuario: Seguridad](../../tutorial/security/index.md){.internal-link target=_blank}.

# Fortgeschrittene Sicherheit

## Zusatzfunktionen

Neben den in [Tutorial – Benutzerhandbuch: Sicherheit](../../tutorial/security/index.md){.internal-link target=_blank} behandelten Funktionen gibt es noch einige zusätzliche Funktionen zur Handhabung der Sicherheit.

/// tip | Tipp

Die nächsten Abschnitte sind **nicht unbedingt „fortgeschritten“**.

Und es ist möglich, dass für Ihren Anwendungsfall die Lösung in einem davon liegt.

///

     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asListHtml();
    }

    /**
     * Displays the group list with pagination.
     *
     * @param pageNumber the page number
     * @param form the search form
     * @return HTML response for the list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })

import org.apache.logging.log4j.Logger;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.pager.RelatedQueryPager;
import org.codelibs.fess.app.service.RelatedQueryService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.base.FessAdminAction;

 */
package jcifs.pac.kerberos;

import java.security.Key;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import javax.security.auth.Subject;
import javax.security.auth.kerberos.KerberosKey;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;

/**

### Autenticação

Clique no botão "Authorize".

Use as credenciais:

User: `johndoe`

Password: `secret`

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

Após autenticar no sistema, você verá assim:

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

### Obtenha seus próprios dados de usuário

Agora use a operação `GET` com o caminho `/users/me`.

Você obterá os dados do seu usuário, como:

import org.apache.logging.log4j.Logger;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.pager.SynonymPager;
import org.codelibs.fess.app.service.SynonymService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.admin.dict.AdminDictAction;