Y quieres tener una forma para que el frontend se autentique con el backend, usando un **username** y **password**.

Podemos usar **OAuth2** para construir eso con **FastAPI**.

Pero vamos a ahorrarte el tiempo de leer la larga especificación completa solo para encontrar esos pequeños fragmentos de información que necesitas.

Usemos las herramientas proporcionadas por **FastAPI** para manejar la seguridad.

## Cómo se ve { #how-it-looks }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (searchLogQueue.size() > fessConfig.getLoggingSearchMaxQueueSizeAsInteger()) {
            logger.warn("[{}] The search log queue size is too large. Skipped the search log: {}", queryId, query);
            return;
        }

        final SearchLogContext context = createSearchLogContext(params, fessConfig);

   * servers, it should be the agreed-upon extensions immediately.
   */
  private var extensions: WebSocketExtensions?,
  /** If compression is negotiated, outbound messages of this size and larger will be compressed. */
  private var minimumDeflateSize: Long,
  private val webSocketCloseTimeout: Long,
) : WebSocket,
  WebSocketReader.FrameCallback,
  Lockable {
  private val key: String

    }

    /**
     * Exports all crawling information parameters to CSV format.
     * The CSV output includes: SessionId, SessionCreatedTime, Key, Value, CreatedTime.
     * Uses cursor-based selection to handle large datasets efficiently.
     *
     * @param writer the Writer to output CSV data to
     */
    public void exportCsv(final Writer writer) {
        final CsvConfig cfg = new CsvConfig(',', '"', '"');

     * This specialized method returns a Map of users and local groups for the
     * target server where keys are SIDs representing an account and each value
     * is an ArrayList of SIDs represents the local groups that the account is
     * a member of.
     *
     * This method is designed to assist with computing access control for a
     * given user when the target object's ACL has local groups. Local groups

        tableSize <<= 1;
      }
      return tableSize;
    }

    // The table can't be completely full or we'll get infinite reprobes
    checkArgument(setSize < MAX_TABLE_SIZE, "collection too large");
    return MAX_TABLE_SIZE;
  }

  /**
   * Returns an immutable set containing each of {@code elements}, minus duplicates, in the order
   * each appears first in the source collection.
   *

				"ctime":    "1350266320.910238425",
			},
			Format: FormatPAX,
		}},
	}, {
		file: "testdata/pax-bad-hdr-file.tar",
		err:  ErrHeader,
	}, {
		file: "testdata/pax-bad-hdr-large.tar.bz2",
		err:  ErrFieldTooLong,
	}, {
		file: "testdata/pax-bad-mtime-file.tar",
		err:  ErrHeader,
	}, {
		file: "testdata/pax-pos-size-file.tar",
		headers: []*Header{{
			Name:     "foo",

		</p>
	</div>
</c:if>
<c:if test="${facetResponse != null}">
<div class="d-md-none mb-2">
	<button class="btn btn-outline-secondary btn-sm" type="button" data-bs-toggle="offcanvas" data-bs-target="#facetOffcanvas" aria-controls="facetOffcanvas">
		<i class="fa fa-filter" aria-hidden="true"></i> <la:message key="labels.facet_filter_button" />
	</button>
</div>

   * range [0, k) and ignore the remaining elements.
   */
  private final @Nullable T[] buffer;
  private int bufferSize;

  /**
   * The largest of the lowest k elements we've seen so far relative to this comparator. If
   * bufferSize ≥ k, then we can ignore any elements greater than this value.
   */
  private @Nullable T threshold;

    }

    /**
     * Rebuilds selected configuration indices with the latest mappings.
     * Executes asynchronously in a background thread.
     *
     * @param form the action form containing the target index checkboxes and loadBulkData flag
     * @return HTML response redirecting to the maintenance page
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse reindexConfigIndices(final ActionForm form) {