Github user sohami commented on a diff in the pull request:
https://github.com/apache/drill/pull/1040#discussion_r158111965
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/server/rest/auth/DrillHttpSecurityHandlerProvider.java
---
@@ -0,0 +1,187 @@
+/*
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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 com.google.common.base.Preconditions;
+import org.apache.drill.common.config.DrillConfig;
+import org.apache.drill.common.exceptions.DrillException;
+import org.apache.drill.common.map.CaseInsensitiveMap;
+import org.apache.drill.common.scanner.persistence.ScanResult;
+import org.apache.drill.exec.ExecConstants;
+import org.apache.drill.exec.exception.DrillbitStartupException;
+import org.apache.drill.exec.rpc.security.AuthStringUtil;
+import org.apache.drill.exec.server.DrillbitContext;
+import org.apache.drill.exec.server.rest.WebServerConstants;
+import org.eclipse.jetty.security.ConstraintSecurityHandler;
+import org.eclipse.jetty.security.authentication.SessionAuthentication;
+import org.eclipse.jetty.server.Handler;
+import org.eclipse.jetty.server.Request;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+
+public class DrillHttpSecurityHandlerProvider extends
ConstraintSecurityHandler {
+
+ private static final org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(DrillHttpSecurityHandlerProvider.class);
+
+ private final Map<String, DrillHttpConstraintSecurityHandler>
securityHandlers =
+ CaseInsensitiveMap.newHashMapWithExpectedSize(5);
--- End diff --
I just chose a little higher number than 2 to avoid resizing of hashtable
(based on default loadfactor of 0.75), but looked into the implementation and
seems like initial size of 2 will also work since it will allocate 4 space for
it.
---
