/**
     * Constructor.
     * @param auth The SAML authentication.
     */
    public SamlCredential(final Auth auth) {
        attributes = auth.getAttributes();
        nameId = auth.getNameId();
        nameIdFormat = auth.getNameIdFormat();
        sessionIndex = auth.getSessionIndex();
        nameidNameQualifier = auth.getNameIdNameQualifier();
        nameidSPNameQualifier = auth.getNameIdSPNameQualifier();
    }

                    session.removeAttribute(SAML_STATE);
                    try {
                        final Auth auth = new Auth(getSettings(), request, response);
                        auth.processResponse();

                        if (!auth.isAuthenticated()) {
                            if (logger.isDebugEnabled()) {
                                logger.debug("Authentication is failed.");

import java.util.stream.Collectors;

import org.apache.http.auth.AuthScheme;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;
import org.apache.http.auth.NTCredentials;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.impl.auth.BasicScheme;
import org.apache.http.impl.auth.DigestScheme;
import org.apache.http.impl.auth.NTLMScheme;
import org.apache.logging.log4j.LogManager;

import java.util.Properties;

import org.apache.http.auth.AuthScheme;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;
import org.apache.http.auth.NTCredentials;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.impl.auth.BasicScheme;
import org.apache.http.impl.auth.DigestScheme;
import org.apache.http.impl.auth.NTLMScheme;
import org.apache.logging.log4j.LogManager;

- Enabled kube-apiserver support for `PodCertificateRequest` and `PodCertificate` projected volumes (behind the `PodCertificateRequest` feature gate). ([#128010](https://github.com/kubernetes/kubernetes/pull/128010), [@ahmedtd](https://github.com/ahmedtd)) [SIG API Machinery, Apps, Auth, Cloud Provider, Etcd, Node, Storage and Testing]

- Disallow `k8s.io` and `kubernetes.io` namespaced extra key in structured authentication configuration. ([#126553](https://github.com/kubernetes/kubernetes/pull/126553), [@aramase](https://github.com/aramase)) [SIG Auth]

   * Otherwise this returns an empty list of challenges.
   *
   * If a challenge uses the `token68` variant instead of auth params, there is exactly one
   * auth param in the challenge at key null. Invalid headers and challenges are ignored.
   * No semantic validation is done, for example that `Basic` auth must have a `realm`
   * auth param, this is up to the caller that interprets these challenges.
   */
  fun challenges(): List<Challenge> {

import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.util.LaRequestUtil;

import com.google.api.client.auth.oauth2.AuthorizationCodeRequestUrl;
import com.google.api.client.auth.oauth2.AuthorizationCodeTokenRequest;
import com.google.api.client.auth.oauth2.TokenResponse;
import com.google.api.client.http.GenericUrl;
import com.google.api.client.http.HttpTransport;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.auth;

import static org.codelibs.core.stream.StreamUtil.stream;

import org.apache.commons.lang3.ArrayUtils;
import org.codelibs.core.stream.StreamUtil.StreamOf;
import org.codelibs.fess.auth.chain.AuthenticationChain;
import org.codelibs.fess.opensearch.user.exentity.User;

/**

    val nextTunnelRequest =
      createTunnel()
        ?: return ConnectResult(plan = this) // Success.

    // The proxy decided to close the connection after an auth challenge. Retry with different
    // auth credentials.
    rawSocket?.closeQuietly()

    val nextAttempt = attempt + 1
    return when {
      nextAttempt < MAX_TUNNEL_ATTEMPTS -> {
        user.callConnectEnd(route, null)