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From w...@apache.org
Subject svn commit: r1547935 - in /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs: ./ src/main/java/org/apache/hadoop/hdfs/server/namenode/ src/main/java/org/apache/hadoop/hdfs/web/ src/main/java/org/apache/hadoop/hdfs/web/resources/ src/test/java/org/apa...
Date Wed, 04 Dec 2013 22:24:46 GMT
Author: wang
Date: Wed Dec  4 22:24:45 2013
New Revision: 1547935

URL: http://svn.apache.org/r1547935
Log:
HDFS-4983. Numeric usernames do not work with WebHDFS FS. Contributed by Yongjun Zhang.

Added:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsConfigKeys.java
  (with props)
Modified:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/UserParam.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/resources/TestParam.java

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1547935&r1=1547934&r2=1547935&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Wed Dec  4 22:24:45 2013
@@ -775,6 +775,9 @@ Release 2.3.0 - UNRELEASED
 
     HDFS-4997. libhdfs doesn't return correct error codes in most cases (cmccabe)
 
+    HDFS-4983. Numeric usernames do not work with WebHDFS FS.
+    (Yongjun Zhang via wang)
+
 Release 2.2.0 - 2013-10-13
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java?rev=1547935&r1=1547934&r2=1547935&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java
Wed Dec  4 22:24:45 2013
@@ -39,6 +39,7 @@ import org.apache.hadoop.hdfs.server.nam
 import org.apache.hadoop.hdfs.web.AuthFilter;
 import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
 import org.apache.hadoop.hdfs.web.resources.Param;
+import org.apache.hadoop.hdfs.web.resources.UserParam;
 import org.apache.hadoop.http.HttpConfig;
 import org.apache.hadoop.http.HttpServer;
 import org.apache.hadoop.net.NetUtils;
@@ -73,7 +74,10 @@ public class NameNodeHttpServer {
 
   private void initWebHdfs(Configuration conf) throws IOException {
     if (WebHdfsFileSystem.isEnabled(conf, HttpServer.LOG)) {
-      //add SPNEGO authentication filter for webhdfs
+      // set user pattern based on configuration file
+      UserParam.setUserPattern(conf);
+
+      // add SPNEGO authentication filter for webhdfs
       final String name = "SPNEGO";
       final String classname = AuthFilter.class.getName();
       final String pathSpec = WebHdfsFileSystem.PATH_PREFIX + "/*";

Added: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsConfigKeys.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsConfigKeys.java?rev=1547935&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsConfigKeys.java
(added)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsConfigKeys.java
Wed Dec  4 22:24:45 2013
@@ -0,0 +1,38 @@
+/**
+ * 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.hadoop.hdfs.web;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.hdfs.DFSConfigKeys;
+
+/**
+ * This class contains constants for configuration keys used
+ * in WebHdfs.
+ *
+ */
+
+@InterfaceAudience.Private
+public class WebHdfsConfigKeys extends DFSConfigKeys {
+  /** User name pattern key */
+  public static final String USER_PATTERN_KEY =
+      "webhdfs.user.provider.user.pattern";
+  /** Default user name pattern value */
+  public static final String USER_PATTERN_DEFAULT =
+      "^[A-Za-z_][A-Za-z0-9._-]*[$]?$";
+}

Propchange: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsConfigKeys.java
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java?rev=1547935&r1=1547934&r2=1547935&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
Wed Dec  4 22:24:45 2013
@@ -157,6 +157,8 @@ public class WebHdfsFileSystem extends F
       ) throws IOException {
     super.initialize(uri, conf);
     setConf(conf);
+    /** set user pattern based on configuration file */
+    UserParam.setUserPattern(conf);
     connectionFactory = URLConnectionFactory
         .newDefaultURLConnectionFactory(conf);
     initializeTokenAspect();

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/UserParam.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/UserParam.java?rev=1547935&r1=1547934&r2=1547935&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/UserParam.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/UserParam.java
Wed Dec  4 22:24:45 2013
@@ -17,8 +17,12 @@
  */
 package org.apache.hadoop.hdfs.web.resources;
 
+import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.UserGroupInformation;
-
+import static org.apache.hadoop.hdfs.web.WebHdfsConfigKeys.USER_PATTERN_KEY;
+import static org.apache.hadoop.hdfs.web.WebHdfsConfigKeys.USER_PATTERN_DEFAULT;
+import com.google.common.annotations.VisibleForTesting;
+ 
 import java.text.MessageFormat;
 import java.util.regex.Pattern;
 
@@ -29,8 +33,29 @@ public class UserParam extends StringPar
   /** Default parameter value. */
   public static final String DEFAULT = "";
 
-  private static final Domain DOMAIN = new Domain(NAME,
-    Pattern.compile("^[A-Za-z_][A-Za-z0-9._-]*[$]?$"));
+  private static String userPattern = null;
+  private static Domain domain = null;
+
+  static {
+      setUserPattern(USER_PATTERN_DEFAULT);
+  }
+
+  @VisibleForTesting
+  public static String getUserPattern() {
+    return userPattern;
+  }
+
+  @VisibleForTesting
+  public static void setUserPattern(String pattern) {
+    userPattern = pattern;
+    Pattern pt = Pattern.compile(userPattern);
+    domain = new Domain(NAME, pt);
+  }
+
+  public static void setUserPattern(Configuration conf) {
+    String pattern = conf.get(USER_PATTERN_KEY, USER_PATTERN_DEFAULT);
+    setUserPattern(pattern);
+  }
 
   private static String validateLength(String str) {
     if (str == null) {
@@ -50,7 +75,7 @@ public class UserParam extends StringPar
    * @param str a string representation of the parameter value.
    */
   public UserParam(final String str) {
-    super(DOMAIN, str == null || str.equals(DEFAULT)? null : validateLength(str));
+    super(domain, str == null || str.equals(DEFAULT)? null : validateLength(str));
   }
 
   /**
@@ -64,4 +89,4 @@ public class UserParam extends StringPar
   public String getName() {
     return NAME;
   }
-}
\ No newline at end of file
+}

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java?rev=1547935&r1=1547934&r2=1547935&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
Wed Dec  4 22:24:45 2013
@@ -38,6 +38,7 @@ import org.apache.hadoop.hdfs.HdfsConfig
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.TestDFSClientRetries;
 import org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods;
+import org.apache.hadoop.hdfs.web.WebHdfsConfigKeys;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.log4j.Level;
 import org.junit.Assert;
@@ -261,6 +262,34 @@ public class TestWebHDFS {
     }
   }
 
+  @Test(timeout=300000)
+  public void testNumericalUserName() throws Exception {
+    final Configuration conf = WebHdfsTestUtil.createConf();
+    conf.set(WebHdfsConfigKeys.USER_PATTERN_KEY, "^[A-Za-z0-9_][A-Za-z0-9._-]*[$]?$");
+    final MiniDFSCluster cluster =
+        new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
+    try {
+      cluster.waitActive();
+      WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsFileSystem.SCHEME)
+          .setPermission(new Path("/"),
+              new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL));
+
+      UserGroupInformation.createUserForTesting("123", new String[]{"my-group"})
+        .doAs(new PrivilegedExceptionAction<Void>() {
+          @Override
+          public Void run() throws IOException, URISyntaxException {
+            FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
+                WebHdfsFileSystem.SCHEME);
+            Path d = new Path("/my-dir");
+            Assert.assertTrue(fs.mkdirs(d));
+            return null;
+          }
+        });
+    } finally {
+      cluster.shutdown();
+    }
+  }
+
   /**
    * WebHdfs should be enabled by default after HDFS-5532
    * 

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/resources/TestParam.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/resources/TestParam.java?rev=1547935&r1=1547934&r2=1547935&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/resources/TestParam.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/resources/TestParam.java
Wed Dec  4 22:24:45 2013
@@ -285,4 +285,19 @@ public class TestParam {
       Assert.assertEquals(expected, computed.getValue());
     }
   }
+
+  @Test
+  public void testUserNameOkAfterResettingPattern() {
+    String oldPattern = UserParam.getUserPattern();
+    String newPattern = "^[A-Za-z0-9_][A-Za-z0-9._-]*[$]?$";
+
+    UserParam.setUserPattern(newPattern);
+
+    UserParam userParam = new UserParam("1x");
+    assertNotNull(userParam.getValue());
+    userParam = new UserParam("123");
+    assertNotNull(userParam.getValue());
+
+    UserParam.setUserPattern(oldPattern);
+  }
 }



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