return psv, ErrInvalidQuerySignatureAlgo
	}

	// Initialize signature version '4' structured header.
	preSignV4Values := preSignValues{}

	// Save credential.
	preSignV4Values.Credential, aec = parseCredentialHeader("Credential="+query.Get(xhttp.AmzCredential), region, stype)
	if aec != ErrNone {
		return psv, aec
	}

	var e error
	// Save date in native time.Time.

 *
 * ```java
 * if (response.request().header("Authorization") != null) {
 *   return null; // Give up, we've already failed to authenticate.
 * }
 *
 * String credential = Credentials.basic(...)
 * return response.request().newBuilder()
 *     .header("Authorization", credential)
 *     .build();
 * ```
 *
 * When reactive authentication is requested by a proxy server, the response code is 407 and the

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.base.login;

import org.lastaflute.web.login.credential.LoginCredential;

/**
 * SPNEGO authentication credential implementation.
 *
 * This class represents login credentials obtained through SPNEGO (Security Provider
 * Negotiation Protocol) authentication. It contains the username extracted from the

    responses += response
    routes += route
    if (!schemeMatches(response) || credential == null) return null
    val header =
      when (response.code) {
        407 -> "Proxy-Authorization"
        else -> "Authorization"
      }
    return response.request
      .newBuilder()
      .addHeader(header, credential)
      .build()
  }

  private fun schemeMatches(response: Response): Boolean {

import org.codelibs.fess.util.DocumentUtil;
import org.lastaflute.web.login.credential.LoginCredential;

/**
 * OpenID Connect credential implementation.
 */
public class OpenIdConnectCredential implements LoginCredential, FessCredential {

    private final Map<String, Object> attributes;

    /**
     * Creates a new OpenID Connect credential.
     *
     * @param attributes the attributes from OpenID Connect provider

sleep 5

# Generate STS credential with STS call to minio1
STS_CRED=$(MINIO_ENDPOINT=http://localhost:9001 go run ./docs/site-replication/gen-oidc-sts-cred.go)

MC_HOST_foo=http://${STS_CRED}@localhost:9001 ./mc ls foo
if [ $? -ne 0 ]; then
	echo "Expected sts credential to work, exiting.."
	exit_1
fi

sleep 2

# Check that the STS credential works on minio2 and minio3.

	}

	if conf.IsSPEnabled() {
		credential, err := azidentity.NewClientSecretCredential(conf.SPAuth.TenantID, conf.SPAuth.ClientID, conf.SPAuth.ClientSecret, &azidentity.ClientSecretCredentialOptions{})
		if err != nil {
			return nil, err
		}
		return azblob.NewClient(ep, credential, &azblob.ClientOptions{})
	}
	credential, err := azblob.NewSharedKeyCredential(conf.AccountName, conf.AccountKey)

        val credentialHeader = if (proxyAuthorization) "Proxy-Authorization" else "Authorization"
        val credential =
          Credentials.basic(
            auth.userName,
            String(auth.password),
            challenge.charset,
          )
        return request
          .newBuilder()
          .header(credentialHeader, credential)
          .build()
      }
    }

    return null // No challenges were satisfied!
  }

type serverConfigV33 struct {
	quick.Config `json:"-"` // ignore interfaces

	Version string `json:"version"`

	// S3 API configuration.
	Credential auth.Credentials `json:"credential"`
	Region     string           `json:"region"`
	Worm       config.BoolFlag  `json:"worm"`

	// Storage class configuration
	StorageClass storageclass.Config `json:"storageclass"`

	stsEndpoint string

	// token to use with AssumeRoleWithCustomToken
	token string

	// Role ARN to use
	roleArn string

	// Display credentials flag
	displayCreds bool

	// Credential expiry duration
	expiryDuration time.Duration

	// Bucket to list
	bucketToList string
)

func init() {
	flag.StringVar(&stsEndpoint, "sts-ep", "http://localhost:9000", "STS endpoint")