# Guía de Usuario Avanzada

## Características Adicionales

El [Tutorial - Guía de Usuario](../tutorial/index.md){.internal-link target=_blank} principal debe ser suficiente para darte un paseo por todas las características principales de **FastAPI**

En las secciones siguientes verás otras opciones, configuraciones, y características adicionales.

!!! tip
    Las próximas secciones **no son necesariamente "avanzadas"**.

    }


    /**
     * @param principal
     * @return
     * @throws RealmException
     */
    protected static PrincipalName convertPrincipal ( KerberosPrincipal principal ) throws RealmException {
        PrincipalName principalName = new PrincipalName(
            principal.getName() + PrincipalName.NAME_REALM_SEPARATOR + principal.getRealm(),
            PrincipalName.KRB_NT_PRINCIPAL);
        return principalName;
    }

package jcifs.smb1.http;

import java.security.Principal;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

class NtlmHttpServletRequest extends HttpServletRequestWrapper {

    Principal principal;

    NtlmHttpServletRequest( HttpServletRequest req, Principal principal ) {
        super( req );
        this.principal = principal;
    }
    public String getRemoteUser() {

package jcifs.http;


import java.security.Principal;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;


class NtlmHttpServletRequest extends HttpServletRequestWrapper {

    Principal principal;


    NtlmHttpServletRequest ( HttpServletRequest req, Principal principal ) {
        super(req);
        this.principal = principal;
    }


    @Override

                        final UserPrincipal principal = acl.principal();
                        if (logger.isDebugEnabled()) {
                            logger.debug("Principal: [{}] {}", principal.getClass().getName(), principal);
                        }
                        if (principal instanceof final GroupPrincipal groupPrincipal) {

    return delegate!!.peerCertificateChain
  }

  @Throws(SSLPeerUnverifiedException::class)
  override fun getPeerPrincipal(): Principal {
    return delegate!!.peerPrincipal
  }

  override fun getLocalPrincipal(): Principal {
    return delegate!!.localPrincipal
  }

  override fun getCipherSuite(): String {
    return delegate!!.cipherSuite
  }

  val localPrincipal: Principal?
    get() = (localCertificates.firstOrNull() as? X509Certificate)?.subjectX500Principal

  @JvmName("-deprecated_localPrincipal")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "localPrincipal"),
    level = DeprecationLevel.ERROR,
  )
  fun localPrincipal(): Principal? = localPrincipal

  override fun equals(other: Any?): Boolean {

            // client/caller principal
            final SpnegoPrincipal principal;
            try {
                principal = getAuthenticator().authenticate(request, spnegoResponse);
                if (logger.isDebugEnabled()) {
                    logger.debug("principal: {}", principal);
                }
            } catch (final Exception e) {

 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package okhttp3

import java.security.Principal
import java.security.cert.Certificate
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSession
import javax.net.ssl.SSLSessionContext
import javax.security.cert.X509Certificate

    }


    @Override
    public String getUserDomain () {
        if ( this.realm == null && this.getSubject() != null ) {
            Set<Principal> pr = this.getSubject().getPrincipals();
            for ( Iterator<Principal> ite = pr.iterator(); ite.hasNext(); ) {
                try {
                    KerberosPrincipal entry = (KerberosPrincipal) ite.next();
                    return entry.getRealm();