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From arina-ielchiieva <...@git.apache.org>
Subject [GitHub] drill pull request #1040: Drill 5425
Date Wed, 13 Dec 2017 15:28:25 GMT
Github user arina-ielchiieva commented on a diff in the pull request:

    https://github.com/apache/drill/pull/1040#discussion_r156662613
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/server/rest/auth/DrillSpnegoAuthenticator.java
---
    @@ -0,0 +1,150 @@
    +/*
    + * 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.server.rest.auth;
    +
    +
    +import org.apache.drill.exec.server.rest.WebServerConstants;
    +import org.apache.parquet.Strings;
    +import org.eclipse.jetty.http.HttpHeader;
    +import org.eclipse.jetty.http.HttpVersion;
    +import org.eclipse.jetty.security.ServerAuthException;
    +import org.eclipse.jetty.security.UserAuthentication;
    +import org.eclipse.jetty.security.authentication.DeferredAuthentication;
    +import org.eclipse.jetty.security.authentication.SessionAuthentication;
    +import org.eclipse.jetty.security.authentication.SpnegoAuthenticator;
    +import org.eclipse.jetty.server.Authentication;
    +import org.eclipse.jetty.server.HttpChannel;
    +import org.eclipse.jetty.server.Request;
    +import org.eclipse.jetty.server.Response;
    +import org.eclipse.jetty.server.UserIdentity;
    +
    +import javax.servlet.ServletRequest;
    +import javax.servlet.ServletResponse;
    +import javax.servlet.http.HttpServletRequest;
    +import javax.servlet.http.HttpServletResponse;
    +import javax.servlet.http.HttpSession;
    +import java.io.IOException;
    +
    +/**
    + * Custom SpnegoAuthenticator for Drill which provides following:
    + * 1) Perform SPNEGO authentication only when spnegoLogin resource is requested. This
helps to avoid authentication
    + *    for each and every resource which the JETTY provided authenticator does.
    + * 2) Helps to redirect to the target URL after authentication is done successfully.
    + * 3) Clear-Up in memory session information once LogOut is triggered. Such that any
future request also trigger the
    --- End diff --
    
    also trigger -> also triggers


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