Java SaslClient.evaluateChallenge方法代碼示例

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
private void runNegotiation(CallbackHandler clientCbh,
                            CallbackHandler serverCbh)
                                throws SaslException {
  String mechanism = AuthMethod.PLAIN.getMechanismName();

  SaslClient saslClient = Sasl.createSaslClient(
      new String[]{ mechanism }, null, null, null, null, clientCbh);
  assertNotNull(saslClient);

  SaslServer saslServer = Sasl.createSaslServer(
      mechanism, null, "localhost", null, serverCbh);
  assertNotNull("failed to find PLAIN server", saslServer);
  
  byte[] response = saslClient.evaluateChallenge(new byte[0]);
  assertNotNull(response);
  assertTrue(saslClient.isComplete());

  response = saslServer.evaluateResponse(response);
  assertNull(response);
  assertTrue(saslServer.isComplete());
  assertNotNull(saslServer.getAuthorizationID());
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
/**
 * Performs the client side of the initial portion of the Thrift SASL
 * protocol. Generates and sends the initial response to the server, including
 * which mechanism this client wants to use.
 */
@Override
protected void handleSaslStartMessage() throws TTransportException, SaslException {
  SaslClient saslClient = getSaslClient();

  byte[] initialResponse = new byte[0];
  if (saslClient.hasInitialResponse())
    initialResponse = saslClient.evaluateChallenge(initialResponse);

  LOGGER.debug("Sending mechanism name {} and initial response of length {}", mechanism,
      initialResponse.length);

  byte[] mechanismBytes = mechanism.getBytes();
  sendSaslMessage(NegotiationStatus.START,
                  mechanismBytes);
  // Send initial response
  sendSaslMessage(saslClient.isComplete() ? NegotiationStatus.COMPLETE : NegotiationStatus.OK,
                  initialResponse);
  underlyingTransport.flush();
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
/**
 * Starts to authenticate the user with the specified credentials.
 *
 * @param credentials
 *            The credentials to use to login to the database.
 * @param connection
 *            The connection to authenticate the user with.
 * @throws MongoDbAuthenticationException
 *             On a failure in the protocol to authenticate the user on the
 *             connection.
 */
public void startAuthentication(final Credential credentials,
        final Connection connection) throws MongoDbAuthenticationException {
    try {
        final SaslClient client = createSaslClient(credentials, connection);

        if (client != null) {
            byte[] payload = EMPTY_BYTES;
            if (client.hasInitialResponse()) {
                payload = client.evaluateChallenge(payload);
            }

            sendStart(payload, connection, new SaslResponseCallback(client,
                    connection, myResults));
        }
        else {
            throw new MongoDbAuthenticationException(
                    "Could not locate a SASL provider.");
        }
    }
    catch (final SaslException e) {
        throw new MongoDbAuthenticationException(e);
    }
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
private void testSaslServerClient(SaslServer server, SaslClient client) throws SaslException {
    byte[] message = new byte[]{};
    if (client.hasInitialResponse()) message = client.evaluateChallenge(message);
    while(!server.isComplete() || !client.isComplete()) {
        if (!server.isComplete()) message = server.evaluateResponse(message);
        if (!client.isComplete()) message = client.evaluateChallenge(message);
    }
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
public void methodReceived(AMQProtocolSession session, ConnectionSecureBody body, int channelId)
            throws AMQException
{
    SaslClient client = session.getSaslClient();
    if (client == null)
    {
        throw new AMQException(null, "No SASL client set up - cannot proceed with authentication", null);
    }



    try
    {
        // Evaluate server challenge
        byte[] response = client.evaluateChallenge(body.getChallenge());

        ConnectionSecureOkBody secureOkBody = session.getMethodRegistry().createConnectionSecureOkBody(response);

        session.writeFrame(secureOkBody.generateFrame(channelId));
    }
    catch (SaslException e)
    {
        throw new AMQException(null, "Error processing SASL challenge: " + e, e);
    }


}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
@Override
public void connectionSecure(Connection conn, ConnectionSecure secure)
{
    SaslClient sc = conn.getSaslClient();
    try
    {
        byte[] response = sc.evaluateChallenge(secure.getChallenge());
        conn.connectionSecureOk(response);
    }
    catch (SaslException e)
    {
        conn.exception(e);
    }
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
@Override
protected byte[] buildResponse(SaslClient sc) throws SaslException {
	return sc.hasInitialResponse() ?
				sc.evaluateChallenge(challenge)
				: EMPTY_BYTES;

}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
@Override
public boolean nextAuthenticationStep(final Buffer fromServer, final List<Buffer> toServer) throws SQLException {
    try {
        toServer.clear();

        if (fromServer == null) {
            throw SQLError.createSQLException("Unexpected empty challenge ", SQLError.SQL_STATE_GENERAL_ERROR, null);
        }

        if (firstChallenge) {
            firstChallenge = false;
            toServer.add(new Buffer(new byte[0]));
            return true;
        }

        ByteBuffer byteBuffer = ByteBuffer.wrap(fromServer.getByteBuffer(), 0, fromServer.getBufLength());
        byteBuffer.order(ByteOrder.LITTLE_ENDIAN);
        if (saslClients.isEmpty()) {
            String mechanism = readString(byteBuffer);
            int iterations = byteBuffer.getInt();
            for (int i = 0; i < iterations; i++) {
                saslClients.add(createSaslClient(mechanism));
            }
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        for (SaslClient saslClient : saslClients) {
            byte[] response = saslClient.evaluateChallenge(getNextChallenge(byteBuffer));

            writeByte(baos, (byte) (saslClient.isComplete() ? 1 : 0));
            writeInt(baos, response.length);
            writeBytes(baos, response);
        }

        toServer.add(new Buffer(baos.toByteArray()));

        return true; // The implementation of the authentication handshake requires that this method always returns true
    } catch (SaslException e) {
        throw SQLError.createSQLException("mongosql_auth authentication exception ", SQLError.SQL_STATE_GENERAL_ERROR, e, null);
    }
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
@Test
public void shouldAuthenticate() throws SaslException {
    // given
    String user = "user";
    String password = "pencil";
    RandomStringGenerator randomStringGenerator = new RandomStringGenerator() {
        @Override
        public String generate(final int length) {
            return "fyko+d2lbbFgONRv9qkxdawL";
        }
    };

    SaslClient saslClient = ScramSha1.createSaslClient(user, password, randomStringGenerator);

    // then
    assertFalse(saslClient.isComplete());

    // when
    byte[] response = saslClient.evaluateChallenge(new byte[0]);

    // then
    assertFalse(saslClient.isComplete());
    String expectedResponseHex = "biwsbj11c2VyLHI9ZnlrbytkMmxiYkZnT05Sdjlxa3hkYXdM";
    assertArrayEquals(parseBase64Binary(expectedResponseHex), response);

    //when
    String challengeHex = "cj1meWtvK2QybGJiRmdPTlJ2OXFreGRhd0xIbytWZ2s3cXZVT0tVd3V"
                                  + "XTElXZzRsLzlTcmFHTUhFRSxzPXJROVpZM01udEJldVAzRTFURFZDNHc9PSxpPTEwMDAw";
    response = saslClient.evaluateChallenge(parseBase64Binary(challengeHex));

    // then
    assertFalse(saslClient.isComplete());
    expectedResponseHex = "Yz1iaXdzLHI9ZnlrbytkMmxiYkZnT05Sdjlxa3hkYXdMSG8rVmdrN3F"
                                  + "2VU9LVXd1V0xJV2c0bC85U3JhR01IRUUscD1NQzJUOEJ2Ym1XUmNrRHc4b1dsNUlWZ2h3Q1k9";
    assertArrayEquals(parseBase64Binary(expectedResponseHex), response);

    // when
    challengeHex = "dj1VTVdlSTI1SkQxeU5ZWlJNcFo0Vkh2aFo5ZTA9";
    response = saslClient.evaluateChallenge(parseBase64Binary(challengeHex));

    // then
    assertTrue(saslClient.isComplete());
    assertArrayEquals(new byte[0], response);

    // when
    try {
        saslClient.evaluateChallenge(new byte[0]);
        fail();
    } catch (SaslException e) {
        // all good
    }
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {

        Map<String, String> props = new TreeMap<String, String>();
        props.put(Sasl.QOP, "auth");

        // client
        SaslClient client = Sasl.createSaslClient(new String[]{ DIGEST_MD5 },
            "user1", "xmpp", "127.0.0.1", props, authCallbackHandler);
        if (client == null) {
            throw new Exception("Unable to find client implementation for: " +
                DIGEST_MD5);
        }

        byte[] response = client.hasInitialResponse()
            ? client.evaluateChallenge(EMPTY) : EMPTY;
        logger.info("initial: " + new String(response));

        // server
        byte[] challenge = null;
        SaslServer server = Sasl.createSaslServer(DIGEST_MD5, "xmpp",
          "127.0.0.1", props, authCallbackHandler);
        if (server == null) {
            throw new Exception("Unable to find server implementation for: " +
                DIGEST_MD5);
        }

        if (!client.isComplete() || !server.isComplete()) {
            challenge = server.evaluateResponse(response);

            logger.info("challenge: " + new String(challenge));

            if (challenge != null) {
                response = client.evaluateChallenge(challenge);
            }
        }

        String challengeString = new String(challenge, "UTF-8").toLowerCase();

        if (challengeString.indexOf("\"md5-sess\"") > 0 ||
            challengeString.indexOf("\"utf-8\"") > 0) {
            throw new Exception("The challenge string's charset and " +
                "algorithm values must not be enclosed within quotes");
        }

        client.dispose();
        server.dispose();
    }
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
public void run() throws Exception {
    System.out.println("Host:" + host + " port: "
            + port);
    try (SaslEndpoint endpoint = SaslEndpoint.create(host, port)) {
        negotiateMechanism(endpoint);
        SaslClient client = createSaslClient();
        byte[] data = new byte[0];
        if (client.hasInitialResponse()) {
            data = client.evaluateChallenge(data);
        }
        endpoint.send(new Message(SaslStatus.CONTINUE, data));
        Message msg = getMessage(endpoint.receive());
        while (!client.isComplete()
                && msg.getStatus() != SaslStatus.FAILURE) {
            switch (msg.getStatus()) {
                case CONTINUE:
                    System.out.println("client continues");
                    data = client.evaluateChallenge(msg.getData());
                    endpoint.send(new Message(SaslStatus.CONTINUE,
                            data));
                    msg = getMessage(endpoint.receive());
                    break;
                case SUCCESS:
                    System.out.println("client succeeded");
                    data = client.evaluateChallenge(msg.getData());
                    if (data != null) {
                        throw new SaslException("data should be null");
                    }
                    break;
                default:
                    throw new RuntimeException("Wrong status:"
                            + msg.getStatus());
            }
        }

        if (msg.getStatus() == SaslStatus.FAILURE) {
            throw new RuntimeException("Status is FAILURE");
        }
    }

    System.out.println("Done");
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {
    if (args.length == 0) {
        pwfile = "pw.properties";
        namesfile = "names.properties";
        auto = true;
    } else {
        int i = 0;
        if (args[i].equals("-m")) {
            i++;
            auto = false;
        }
        if (args.length > i) {
            pwfile = args[i++];

            if (args.length > i) {
                namesfile = args[i++];
            }
        } else {
            pwfile = "pw.properties";
            namesfile = "names.properties";
        }
    }

    CallbackHandler clntCbh = new ClientCallbackHandler(auto);

    CallbackHandler srvCbh =
        new PropertiesFileCallbackHandler(pwfile, namesfile, null);

    SaslClient clnt = Sasl.createSaslClient(
        new String[]{MECH}, null, PROTOCOL, SERVER_FQDN, null, clntCbh);

    SaslServer srv = Sasl.createSaslServer(MECH, PROTOCOL, SERVER_FQDN, null,
        srvCbh);

    if (clnt == null) {
        throw new IllegalStateException(
            "Unable to find client impl for " + MECH);
    }
    if (srv == null) {
        throw new IllegalStateException(
            "Unable to find server impl for " + MECH);
    }

    byte[] response = (clnt.hasInitialResponse()?
        clnt.evaluateChallenge(EMPTY) : EMPTY);
    byte[] challenge;

    while (!clnt.isComplete() || !srv.isComplete()) {
        challenge = srv.evaluateResponse(response);

        if (challenge != null) {
            response = clnt.evaluateChallenge(challenge);
        }
    }

    if (clnt.isComplete() && srv.isComplete()) {
        if (verbose) {
            System.out.println("SUCCESS");
            System.out.println("authzid is " + srv.getAuthorizationID());
        }
    } else {
        throw new IllegalStateException("FAILURE: mismatched state:" +
            " client complete? " + clnt.isComplete() +
            " server complete? " + srv.isComplete());
    }
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
@Override
protected byte[] buildResponse(SaslClient sc) throws SaslException {
  return sc.hasInitialResponse() ? sc.evaluateChallenge(challenge)
      : EMPTY_BYTES;
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
@Override
protected byte[] buildResponse(SaslClient sc) throws SaslException {
  return sc.evaluateChallenge(challenge);
}
 

import javax.security.sasl.SaslClient; //導入方法依賴的package包/類
@Override
public void connectionStart(Connection conn, ConnectionStart start)
{
    Map<String,Object> clientProperties = new HashMap<String,Object>();

    if(this.conSettings.getClientProperties() != null)
    {
        clientProperties.putAll(this.conSettings.getClientProperties());
    }

    clientProperties.put("qpid.session_flow", 1);
    clientProperties.put("qpid.client_pid",getPID());
    clientProperties.put("qpid.client_process",
            System.getProperty("qpid.client_process","Qpid Java Client"));

    List<Object> brokerMechs = start.getMechanisms();
    if (brokerMechs == null || brokerMechs.isEmpty())
    {
        conn.connectionStartOk
            (clientProperties, null, null, conn.getLocale());
        return;
    }

    List<String> choosenMechs = new ArrayList<String>();
    for (String mech:clientMechs)
    {
        if (brokerMechs.contains(mech))
        {
            choosenMechs.add(mech);
        }
    }

    if (choosenMechs.size() == 0)
    {
        conn.exception(new ConnectionException("The following SASL mechanisms " +
                clientMechs.toString()  +
                " specified by the client are not supported by the broker"));
        return;
    }

    String[] mechs = new String[choosenMechs.size()];
    choosenMechs.toArray(mechs);

    conn.setServerProperties(start.getServerProperties());

    try
    {
        Map<String,Object> saslProps = new HashMap<String,Object>();
        if (conSettings.isUseSASLEncryption())
        {
            saslProps.put(Sasl.QOP, "auth-conf");
        }
        UsernamePasswordCallbackHandler handler =
            new UsernamePasswordCallbackHandler();
        handler.initialise(conSettings.getUsername(), conSettings.getPassword());
        SaslClient sc = Sasl.createSaslClient
            (mechs, null, conSettings.getSaslProtocol(), conSettings.getSaslServerName(), saslProps, handler);
        conn.setSaslClient(sc);

        byte[] response = sc.hasInitialResponse() ?
            sc.evaluateChallenge(new byte[0]) : null;
        conn.connectionStartOk
            (clientProperties, sc.getMechanismName(), response,
             conn.getLocale());
    }
    catch (SaslException e)
    {
        conn.exception(e);
    }
}