And you want to have a way for the frontend to authenticate with the backend, using a **username** and **password**.

We can use **OAuth2** to build that with **FastAPI**.

But let's save you the time of reading the full long specification just to find those little pieces of information you need.

Let's use the tools provided by **FastAPI** to handle security.

## How it looks { #how-it-looks }

     * @param <T> the response type
     * @param request the request to send
     * @param response the response object to populate
     * @param params additional parameters for the request
     * @param timeout the maximum time to wait for the response in milliseconds
     * @return the key associated with the request
     * @throws IOException if an I/O error occurs
     */

			query:      `SELECT text from s3object s WHERE id = 1`,
			wantResult: `{"text":"a text, with comma"}`,
		},
		{
			name:       "select-time-direct",
			input:      testInput,
			query:      `SELECT time from s3object s WHERE id = 2`,
			wantResult: `{"time":"2017-01-02T03:04Z"}`,
		},
		{
			name:       "select-int-direct",
			input:      testInput,
			query:      `SELECT num from s3object s WHERE id = 2`,

     *
     * @param loadTime the number of nanoseconds the cache spent computing or retrieving the new
     *     value
     */
    @SuppressWarnings("GoodTime") // should accept a java.time.Duration
    void recordLoadSuccess(long loadTime);

    /**
     * Records the failed load of a new entry. This should be called when a cache request causes an

 *
 * <p>{@link org.apache.maven.api.DependencyScope} defines when/how a given dependency will be used by the
 * project. This includes compile-time only, runtime, test time, and various other combinations.</p>
 *
 * <h3>Resolution</h3>
 *
 * <p><dfn>Version resolution</dfn> is the process of finding, for a given artifact, a list of

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.opensearch.config.bsentity;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

import org.codelibs.fess.opensearch.config.allcommon.EsAbstractEntity;
import org.codelibs.fess.opensearch.config.bsentity.dbmeta.ThumbnailQueueDbm;

/**

    }
    entry = cacheEntry2;
    if (entry != null && entry.key == key) {
      // Promote second cache entry to first so the access pattern
      // [K1, K2, K1, K3, K1, K4...] still hits the cache half the time.
      addToCache(entry);
      return entry.value;
    }
    return null;
  }

  @Override
  void clearCache() {
    super.clearCache();
    cacheEntry1 = null;
    cacheEntry2 = null;
  }

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.cling.transfer;

import java.io.PrintWriter;
import java.time.Duration;
import java.util.concurrent.TimeUnit;

import org.apache.maven.api.MonotonicClock;
import org.apache.maven.api.services.MessageBuilder;
import org.apache.maven.api.services.MessageBuilderFactory;

import org.openjdk.jmh.runner.options.OptionsBuilder;

/**
 * <p>Xpp3DomPerfTest class.</p>
 */
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@Warmup(iterations = 3)
@Measurement(time = 10)
public class Xpp3DomPerfTest {
    @State(Scope.Benchmark)
    public static class AdditionState {
        List<Path> poms;

        @Setup(Level.Iteration)
        public void setUp() throws IOException {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.opensearch.config.bsentity;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

import org.codelibs.fess.opensearch.config.allcommon.EsAbstractEntity;
import org.codelibs.fess.opensearch.config.bsentity.dbmeta.CrawlingInfoDbm;

/**