public Authenticate() {
        client = new OkHttpClient.Builder()
            .authenticator(new Authenticator() {
              @Override public Request authenticate(Route route, Response response) throws IOException {
                if (response.request().header("Authorization") != null) {
                  return null; // Give up, we've already attempted to authenticate.
                }

            }
            try {
                SmbSession.logon(dc, ntlm);
            } catch (SmbAuthException sae) {
                response.setHeader("WWW-Authenticate", "NTLM");
                if (offerBasic) {
                    response.addHeader("WWW-Authenticate", "Basic realm=\"" +
                            realm + "\"");
                }
                response.setHeader("Connection", "close");

 * limitations under the License.
 */
package okhttp3.internal

import java.io.IOException
import okhttp3.Authenticator
import okhttp3.Request
import okhttp3.Response
import okhttp3.Route

class RecordingOkAuthenticator(
  val credential: String?,
  val scheme: String?,
) : Authenticator {
  val responses = mutableListOf<Response>()
  val routes = mutableListOf<Route>()

        if (authenticator != null && fessConfig.getSystemPropertyAsBoolean(SPNEGO_INITIALIZED, false)) {
            return authenticator;
        }
        try {
            // set some System properties
            final SpnegoFilterConfig config = SpnegoFilterConfig.getInstance(new SpengoConfig());

            // pre-authenticate
            authenticator = new org.codelibs.spnego.SpnegoAuthenticator(config);

def get_bucket():
    cluster = Cluster(
        "couchbase://couchbasehost:8091?fetch_mutation_tokens=1&operation_timeout=30&n1ql_timeout=300"
    )
    authenticator = PasswordAuthenticator("username", "password")
    cluster.authenticate(authenticator)
    bucket: Bucket = cluster.open_bucket("bucket_name", lockmode=LOCKMODE_WAIT)
    bucket.timeout = 30
    bucket.n1ql_timeout = 300
    return bucket

public final class okhttp3/JavaNetAuthenticator : okhttp3/Authenticator {
	public fun <init> ()V
	public fun authenticate (Lokhttp3/Route;Lokhttp3/Response;)Lokhttp3/Request;
}

public final class okhttp3/JavaNetCookieJar : okhttp3/CookieJar {
	public fun <init> (Ljava/net/CookieHandler;)V
	public fun loadForRequest (Lokhttp3/HttpUrl;)Ljava/util/List;
	public fun saveFromResponse (Lokhttp3/HttpUrl;Ljava/util/List;)V

        .code(HttpURLConnection.HTTP_PROXY_AUTH)
        .message("Preemptive Authenticate")
        .sentRequestAtMillis(-1L)
        .receivedResponseAtMillis(-1L)
        .header("Proxy-Authenticate", "OkHttp-Preemptive")
        .build()

    val authenticatedRequest =
      route.address.proxyAuthenticator
        .authenticate(route, fakeAuthChallengeResponse)

    return authenticatedRequest ?: proxyConnectRequest

 * When making an HTTPS connection through an HTTP proxy, the proxy may issue an authentication challenge. OkHttp will call the proxy [authenticator](https://square.github.io/okhttp/4.x/okhttp/okhttp3/-authenticator/) and try again.

    public LoginCredential getLoginCredential() {
        return LaRequestUtil.getOptionalRequest().map(request -> {
            if (logger.isDebugEnabled()) {
                logger.debug("Logging in with SAML Authenticator");
            }

            final HttpServletResponse response = LaResponseUtil.getResponse();

            final HttpSession session = request.getSession(false);
            if (session != null) {

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.spnego.NegTokenInit;


/**
 * Base kerberos authenticator
 * 
 * Uses a subject that contains kerberos credentials for use in GSSAPI context establishment.
 * 
 * Be advised that short/NetBIOS name usage is not supported with this authenticator. Always specify full FQDNs.