import org.apache.maven.wagon.TransferFailedException;
import org.apache.maven.wagon.UnsupportedProtocolException;
import org.apache.maven.wagon.Wagon;
import org.apache.maven.wagon.authentication.AuthenticationException;
import org.apache.maven.wagon.authentication.AuthenticationInfo;
import org.apache.maven.wagon.authorization.AuthorizationException;
import org.apache.maven.wagon.events.TransferListener;

	case assumeRole:
	default:
		writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Unsupported action %s", action))
		return
	}

	ctx = newContext(r, w, action)

	// Validate the authentication result here so that failures will be audit-logged.
	if apiErrCode != ErrNone {
		stsErr := apiToSTSError(apiErrCode)
		// Borrow the description error from the API error code

  private static class Sha512Holder {
    static final HashFunction SHA_512 =
        new MessageDigestHashFunction("SHA-512", "Hashing.sha512()");
  }

  /**
   * Returns a hash function implementing the Message Authentication Code (MAC) algorithm, using the
   * MD5 (128 hash bits) hash function and the given secret key.
   *
   * <p>If you are designing a new system that needs HMAC, prefer {@link #hmacSha256} or other

import jcifs.util.Crypto;
import jcifs.util.Hexdump;


/**
 * For initiating NTLM authentication (including NTLMv2). If you want to add NTLMv2 authentication support to something
 * this is what you want to use. See the code for details. Note that JCIFS does not implement the acceptor side of NTLM
 * authentication.
 * 
 */
public class NtlmContext implements SSPContext {

import jcifs.ntlmssp.Type3Message;
import jcifs.smb.NtlmPasswordAuthentication;


/**
 * Wraps an <code>HttpURLConnection</code> to provide NTLM authentication
 * services.
 *
 * Please read <a href="../../../httpclient.html">Using jCIFS NTLM Authentication for HTTP Connections</a>.
 * 
 * Warning: Do not use this if there is a chance that you might have multiple connections (even plain

OAuth2 with scopes is the mechanism used by many big authentication providers, like Facebook, Google, GitHub, Microsoft, Twitter, etc. They use it to provide specific permissions to users and applications.

Every time you "log in with" Facebook, Google, GitHub, Microsoft, Twitter, that application is using OAuth2 with scopes.

import jcifs.smb1.ntlmssp.Type3Message;
import jcifs.smb1.util.Base64;

/**
 * Wraps an <code>HttpURLConnection</code> to provide NTLM authentication
 * services.
 *
 * Please read <a href="../../../httpclient.html">Using jCIFS NTLM Authentication for HTTP Connections</a>.
 */
public class NtlmHttpURLConnection extends HttpURLConnection {

    private static final int MAX_REDIRECTS =

            if (e.getValue().length > 0) {
                params.put(e.getKey(), Arrays.asList(e.getValue()));
            }
        }
        if (logger.isDebugEnabled()) {
            logger.debug("process authentication: url: {}, params: {}", urlBuf, params);
        }

        // validate that state in response equals to state in request

    //                                                                          ==========
    protected final String _tableDbName = "web_authentication";
    protected final String _tableDispName = "web_authentication";
    protected final String _tablePropertyName = "WebAuthentication";

    public String getTableDbName() {
        return _tableDbName;
    }

    @Override

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;
import org.apache.maven.artifact.repository.Authentication;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadata;
import org.apache.maven.repository.Proxy;
import org.codehaus.plexus.logging.AbstractLogEnabled;
import org.codehaus.plexus.logging.Logger;