La jerarquía sería:

* **Uvicorn**: como servidor ASGI
    * **Starlette**: (usa Uvicorn) un microframework web
         * **FastAPI**: (usa Starlette) un microframework API con varias características adicionales para construir APIs, con validación de datos, etc.
* **Uvicorn**:

Ela é apenas uma extensão do OAuth2 especificando algumas coisas que são relativamente ambíguas no OAuth2, para tentar torná-lo mais interoperável.

Por exemplo, o login do Google usa OpenID Connect (que por baixo dos panos usa OAuth2).

Mas o login do Facebook não tem suporte para OpenID Connect. Ele tem a própria implementação do OAuth2.

### OpenID (não "OpenID Connect")

Esses códigos de status têm um nome associado para reconhecê-los, mas o importante é o número.

Resumidamente:


* `100` e acima são para "Informações". Você raramente os usa diretamente. As respostas com esses códigos de status não podem ter um corpo.
* **`200`** e acima são para respostas "Bem-sucedidas". Estes são os que você mais usaria.

 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.pac.kerberos;


import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;

 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.context;


import java.net.MalformedURLException;
import java.net.URLStreamHandler;

import jcifs.BufferCache;
import jcifs.CIFSException;
import jcifs.Configuration;

 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.pac.kerberos;


import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.security.GeneralSecurityException;
import java.util.Enumeration;

 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
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;

 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.pac.kerberos;


import java.io.ByteArrayInputStream;
import java.io.IOException;

import javax.security.auth.kerberos.KerberosKey;

import org.bouncycastle.asn1.*;

 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.spnego;


import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.Enumeration;

import org.bouncycastle.asn1.*;

 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.pac.kerberos;


import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.util.Enumeration;

import javax.security.auth.kerberos.KerberosKey;