drill-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From sudheeshkatkam <...@git.apache.org>
Subject [GitHub] drill pull request #578: DRILL-4280: Kerberos Authentication
Date Tue, 01 Nov 2016 16:38:44 GMT
Github user sudheeshkatkam commented on a diff in the pull request:

    https://github.com/apache/drill/pull/578#discussion_r85853038
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/rpc/security/plain/PlainServer.java
---
    @@ -0,0 +1,175 @@
    +/**
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements.  See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership.  The ASF licenses this file
    + * to you under the Apache License, Version 2.0 (the
    + * "License"); you may not use this file except in compliance
    + * with the License.  You may obtain a copy of the License at
    + *
    + *    http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +package org.apache.drill.exec.rpc.security.plain;
    +
    +import javax.security.auth.callback.Callback;
    +import javax.security.auth.callback.CallbackHandler;
    +import javax.security.auth.callback.NameCallback;
    +import javax.security.auth.callback.PasswordCallback;
    +import javax.security.auth.callback.UnsupportedCallbackException;
    +import javax.security.sasl.AuthorizeCallback;
    +import javax.security.sasl.Sasl;
    +import javax.security.sasl.SaslException;
    +import javax.security.sasl.SaslServer;
    +import javax.security.sasl.SaslServerFactory;
    +import java.io.IOException;
    +import java.security.Provider;
    +import java.util.Map;
    +
    +/**
    + * Plain SaslServer implementation. See https://tools.ietf.org/html/rfc4616
    + */
    +public class PlainServer implements SaslServer {
    +  private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(PlainServer.class);
    +
    +  public static class PlainServerFactory implements SaslServerFactory {
    +
    +    @Override
    +    public SaslServer createSaslServer(final String mechanism, final String protocol,
final String serverName,
    +                                       final Map<String, ?> props, final CallbackHandler
cbh)
    +        throws SaslException {
    +      return "PLAIN".equals(mechanism) ?
    +          props == null || "false".equals(props.get(Sasl.POLICY_NOPLAINTEXT)) ?
    +              new PlainServer(cbh) :
    +              null :
    +          null;
    +    }
    +
    +    @Override
    +    public String[] getMechanismNames(final Map<String, ?> props) {
    +      return props == null || "false".equals(props.get(Sasl.POLICY_NOPLAINTEXT)) ?
    +          new String[]{"PLAIN"} :
    +          new String[0];
    +    }
    +  }
    +
    +  @SuppressWarnings("serial")
    +  public static class PlainServerProvider extends Provider {
    +
    +    public PlainServerProvider() {
    +      super("PlainServer", 1.0, "PLAIN SASL Server Provider");
    +      put("SaslServerFactory.PLAIN", PlainServerFactory.class.getName());
    +    }
    +  }
    +
    +  private CallbackHandler cbh;
    +  private boolean completed = false;
    +  private String authorizationID;
    +
    +  PlainServer(final CallbackHandler cbh) throws SaslException {
    +    if (cbh == null) {
    +      throw new SaslException("PLAIN: A callback handler must be specified");
    +    }
    +    this.cbh = cbh;
    +  }
    +
    +  @Override
    +  public String getMechanismName() {
    +    return "PLAIN";
    +  }
    +
    +  @Override
    +  public byte[] evaluateResponse(byte[] response) throws SaslException {
    +    if (completed) {
    +      throw new IllegalStateException("PLAIN authentication already completed");
    +    }
    +
    +    if (response == null) {
    +      throw new SaslException("Received null response");
    +    }
    +
    +    final String payload;
    +    try {
    +      payload = new String(response, "UTF-8");
    +    } catch (final Exception e) {
    --- End diff --
    
    Done.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

Mime
View raw message