return authTypeAnonymous
	}
	return authTypeUnknown
}

func validateAdminSignature(ctx context.Context, r *http.Request, region string) (auth.Credentials, bool, APIErrorCode) {
	var cred auth.Credentials
	var owner bool
	s3Err := ErrAccessDenied
	if _, ok := r.Header[xhttp.AmzContentSha256]; ok &&
		getRequestAuthType(r) == authTypeSigned {

	"bytes"
	"context"
	"io"
	"net/http"
	"net/url"
	"os"
	"testing"
	"time"

	"github.com/minio/minio/internal/auth"
	"github.com/minio/pkg/v2/policy"
)

type nullReader struct{}

func (r *nullReader) Read(b []byte) (int, error) {
	return len(b), nil
}

// Test get request auth type.
func TestGetRequestAuthType(t *testing.T) {
	type testCase struct {
		req   *http.Request
		authT authType
	}

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;

                    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.");

    expectedAuthParams["qop"] = "auth"
    expectedAuthParams["stale"] = "FALSE"
    assertThat(challenges[0].authParams).isEqualTo(expectedAuthParams)
  }

  @Test fun testDigestChallengeWithDifferentlyOrderedAuthParams() {
    val headers =
      Headers.Builder()
        .add(
          "WWW-Authenticate",
          "Digest qop=\"auth\", realm=\"myrealm\", nonce=\"fjalskdflwejrlask" +

//     - http://docs.aws.amazon.com/AmazonS3/latest/dev/auth-request-sig-v2.html
// returns true if matches, false otherwise. if error is not nil then it is always false

func validateV2AuthHeader(r *http.Request) (auth.Credentials, APIErrorCode) {
	var cred auth.Credentials
	v2Auth := r.Header.Get(xhttp.Authorization)
	if v2Auth == "" {
		return cred, ErrAuthHeaderEmpty
	}

            if ((
              oauth2.auth.schema.get("flow") === "accessCode" ||
              oauth2.auth.schema.get("flow") === "authorizationCode" ||
              oauth2.auth.schema.get("flow") === "authorization_code"
            ) && !oauth2.auth.code) {
                if (!isValid) {
                    oauth2.errCb({
                        authId: oauth2.auth.name,
                        source: "auth",

tls_client_auth  (string)    clientAuth determines the Kafka server's policy for TLS client auth
sasl             (on|off)    set to 'on' to enable SASL authentication
tls              (on|off)    set to 'on' to enable TLS
tls_skip_verify  (on|off)    trust server TLS without verification, defaults to "on" (verify)
client_tls_cert  (path)      path to client certificate for mTLS auth

type LDAPIdentityResult struct {
	Credentials auth.Credentials `xml:",omitempty"`
}

// AssumeRoleWithCertificateResponse contains the result of
// a successful AssumeRoleWithCertificate request.
type AssumeRoleWithCertificateResponse struct {
	XMLName xml.Name `xml:"https://sts.amazonaws.com/doc/2011-06-15/ AssumeRoleWithCertificateResponse" json:"-"`
	Result  struct {
		Credentials auth.Credentials `xml:"Credentials,omitempty"`

        props.put("jcifs.smb.client.password", "my-default-password");

        CIFSContext auth = new BaseContext(new PropertyConfiguration(props));
        assertTrue(auth.hasDefaultCredentials());
        assertTrue( auth.getCredentials() instanceof NtlmPasswordAuthenticator);

        NtlmPasswordAuthenticator pa = (NtlmPasswordAuthenticator) auth.getCredentials();

        assertEquals("my-domain", pa.getUserDomain());