Decodifique o token recebido, verifique-o e retorne o usuário atual.

Se o token for inválido, retorne um erro HTTP imediatamente.

{* ../../docs_src/security/tutorial004_an_py310.py hl[90:107] *}

## Atualize a *operação de rota* `/token`

Crie um `timedelta` com o tempo de expiração do token.

Crie um token de acesso JWT real e o retorne.

## Instalar `PyJWT`

Necesitamos instalar `PyJWT` para generar y verificar los tokens JWT en Python.

Asegúrate de crear un [entorno virtual](../../virtual-environments.md){.internal-link target=_blank}, activarlo y luego instalar `pyjwt`:

<div class="termy">

```console
$ pip install pyjwt

---> 100%
```

</div>

    /**
     * Returns an array of the method's parameter types.
     *
     * @return an array of the method's parameter types
     */
    Class<?>[] getParameterTypes();

    /**
     * Returns the return type of the method.
     *
     * @param <T>
     *            the return type of the method
     * @return the return type of the method
     */
    <T> Class<T> getReturnType();

    /**

    /**
     * Returns the query.
     *
     * @return The query.
     */
    public abstract String getQuery();

    /**
     * Returns the fields.
     *
     * @return The fields.
     */
    public abstract Map<String, String[]> getFields();

    /**
     * Returns the conditions.
     *
     * @return The conditions.
     */

  /**
   * Returns the result of subtracting this and {@code val}. If the result would be negative,
   * returns the low 32 bits of the result.
   *
   * @since 14.0
   */
  public UnsignedInteger minus(UnsignedInteger val) {
    return fromIntBits(value - checkNotNull(val).value);
  }

  /**
   * Returns the result of multiplying this and {@code val}. If the result would have more than 32

  /**
   * Returns the result of subtracting this and {@code val}. If the result would have more than 64
   * bits, returns the low 64 bits of the result.
   *
   * @since 14.0
   */
  public UnsignedLong minus(UnsignedLong val) {
    return fromLongBits(this.value - checkNotNull(val).value);
  }

  /**
   * Returns the result of multiplying this and {@code val}. If the result would have more than 64

     * @return the logon count
     */
    public short getLogonCount() {
        return this.logonCount;
    }

    /**
     * Returns the number of failed password attempts for this user.
     * @return the bad password count
     */
    public short getBadPasswordCount() {
        return this.badPasswordCount;
    }

    /**
     * Returns the user's account name.
     * @return the user name

  /**
   * Returns {@code true} if there are no differences between the two maps; that is, if the maps are
   * equal.
   */
  boolean areEqual();

  /**
   * Returns an unmodifiable map containing the entries from the left map whose keys are not present
   * in the right map.
   */
  Map<K, V> entriesOnlyOnLeft();

  /**

    @Test
    @DisplayName("Test size returns zero for empty message")
    void testSizeReturnsZero() {
        // Given
        when(request.size()).thenReturn(0);

        // When
        int result = request.size();

        // Then
        assertEquals(0, result);
        verify(request, times(1)).size();
    }

    @Test
    @DisplayName("Test size returns large value for large message")

     */
    public String getToken() {
        return token;
    }

    /**
     * Returns the segmentation.
     *
     * @return The segmentation.
     */
    public String getSegmentation() {
        return segmentation;
    }

    /**
     * Returns the reading.
     *
     * @return The reading.
     */
    public String getReading() {
        return reading;