HADOOP-15969. ABFS: getNamespaceEnabled can fail blocking user access thru ACLs.

Contributed by Da Zhou.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/b2523d81
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/b2523d81
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/b2523d81

Branch: refs/heads/HDFS-12943
Commit: b2523d8100844338e073531c47666d744a101caf
Parents: 788e747
Author: Da Zhou <da.z...@microsoft.com>
Authored: Mon Dec 17 11:04:40 2018 +0000
Committer: Steve Loughran <ste...@apache.org>
Committed: Mon Dec 17 11:04:40 2018 +0000

----------------------------------------------------------------------
 .../fs/azurebfs/AzureBlobFileSystemStore.java   | 19 ++--
 .../azurebfs/AbstractAbfsIntegrationTest.java   |  4 +
 .../fs/azurebfs/ITestGetNameSpaceEnabled.java   | 96 ++++++++++++++++++++
 .../constants/TestConfigurationKeys.java        |  1 +
 4 files changed, 114 insertions(+), 6 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2523d81/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystemStore.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystemStore.java
 
b/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystemStore.java
index 5f1692f..5d70b77 100644
--- 
a/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystemStore.java
+++ 
b/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystemStore.java
@@ -20,6 +20,7 @@ package org.apache.hadoop.fs.azurebfs;
 import java.io.File;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -181,12 +182,18 @@ public class AzureBlobFileSystemStore {
 
   public boolean getIsNamespaceEnabled() throws AzureBlobFileSystemException {
     if (!isNamespaceEnabledSet) {
-      LOG.debug("getFilesystemProperties for filesystem: {}",
-          client.getFileSystem());
-
-      final AbfsRestOperation op = client.getFilesystemProperties();
-      isNamespaceEnabled = Boolean.parseBoolean(
-          
op.getResult().getResponseHeader(HttpHeaderConfigurations.X_MS_NAMESPACE_ENABLED));
+      LOG.debug("Get root ACL status");
+      try {
+        client.getAclStatus(AbfsHttpConstants.FORWARD_SLASH + 
AbfsHttpConstants.ROOT_PATH);
+        isNamespaceEnabled = true;
+      } catch (AbfsRestOperationException ex) {
+        // Get ACL status is a HEAD request, its response doesn't contain 
errorCode
+        // So can only rely on its status code to determine its account type.
+        if (HttpURLConnection.HTTP_BAD_REQUEST != ex.getStatusCode()) {
+          throw ex;
+        }
+        isNamespaceEnabled = false;
+      }
       isNamespaceEnabledSet = true;
     }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2523d81/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/AbstractAbfsIntegrationTest.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/AbstractAbfsIntegrationTest.java
 
b/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/AbstractAbfsIntegrationTest.java
index 382cd7f..cb9549d 100644
--- 
a/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/AbstractAbfsIntegrationTest.java
+++ 
b/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/AbstractAbfsIntegrationTest.java
@@ -262,6 +262,10 @@ public abstract class AbstractAbfsIntegrationTest extends
     return this.authType;
   }
 
+  public String getAbfsScheme() {
+    return this.abfsScheme;
+  }
+
   protected boolean isIPAddress() {
     return isIPAddress;
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2523d81/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestGetNameSpaceEnabled.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestGetNameSpaceEnabled.java
 
b/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestGetNameSpaceEnabled.java
new file mode 100644
index 0000000..b9a2315
--- /dev/null
+++ 
b/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestGetNameSpaceEnabled.java
@@ -0,0 +1,96 @@
+/**
+ * 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.fs.azurebfs;
+
+import java.io.IOException;
+import java.util.UUID;
+
+import org.junit.Assume;
+import org.junit.Test;
+
+import org.apache.hadoop.conf.Configuration;
+import 
org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException;
+import org.apache.hadoop.fs.azurebfs.services.AuthType;
+
+import static 
org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys.AZURE_CREATE_REMOTE_FILESYSTEM_DURING_INITIALIZATION;
+import static 
org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys.FS_AZURE_ACCOUNT_KEY_PROPERTY_NAME;
+import static 
org.apache.hadoop.fs.azurebfs.constants.TestConfigurationKeys.FS_AZURE_TEST_NAMESPACE_ENABLED_ACCOUNT;
+import static org.apache.hadoop.test.LambdaTestUtils.intercept;
+
+/**
+ * Test getIsNamespaceEnabled call.
+ */
+public class ITestGetNameSpaceEnabled extends AbstractAbfsIntegrationTest {
+
+  private boolean isUsingXNSAccount;
+  public ITestGetNameSpaceEnabled() throws Exception {
+    isUsingXNSAccount = 
getConfiguration().getBoolean(FS_AZURE_TEST_NAMESPACE_ENABLED_ACCOUNT, false);
+  }
+
+  @Test
+  public void testXNSAccount() throws IOException {
+    Assume.assumeTrue("Skip this test because the account being used for test 
is a non XNS account",
+            isUsingXNSAccount);
+    assertTrue("Expecting getIsNamespaceEnabled() return true",
+            getFileSystem().getIsNamespaceEnabled());
+  }
+
+  @Test
+  public void testNonXNSAccount() throws IOException {
+    Assume.assumeFalse("Skip this test because the account being used for test 
is a XNS account",
+            isUsingXNSAccount);
+    assertFalse("Expecting getIsNamespaceEnabled() return false",
+            getFileSystem().getIsNamespaceEnabled());
+  }
+
+  @Test
+  public void testFailedRequestWhenFSNotExist() throws Exception {
+    AbfsConfiguration config = this.getConfiguration();
+    config.setBoolean(AZURE_CREATE_REMOTE_FILESYSTEM_DURING_INITIALIZATION, 
false);
+    String testUri = this.getTestUrl();
+    String nonExistingFsUrl = getAbfsScheme() + "://" + UUID.randomUUID()
+            + testUri.substring(testUri.indexOf("@"));
+    AzureBlobFileSystem fs = this.getFileSystem(nonExistingFsUrl);
+
+    intercept(AbfsRestOperationException.class,
+            "\"The specified filesystem does not exist.\", 404",
+            ()-> {
+              fs.getIsNamespaceEnabled();
+            });
+  }
+
+  @Test
+  public void testFailedRequestWhenCredentialsNotCorrect() throws Exception {
+    Assume.assumeTrue(this.getAuthType() == AuthType.SharedKey);
+    Configuration config = this.getRawConfiguration();
+    config.setBoolean(AZURE_CREATE_REMOTE_FILESYSTEM_DURING_INITIALIZATION, 
false);
+    String accountName = this.getAccountName();
+    String configkKey = FS_AZURE_ACCOUNT_KEY_PROPERTY_NAME + "." + accountName;
+    // Provide a wrong sharedKey
+    String secret = config.get(configkKey);
+    secret = (char) (secret.charAt(0) + 1) + secret.substring(1);
+    config.set(configkKey, secret);
+
+    AzureBlobFileSystem fs = this.getFileSystem(config);
+    intercept(AbfsRestOperationException.class,
+            "\"Server failed to authenticate the request. Make sure the value 
of Authorization header is formed correctly including the signature.\", 403",
+            ()-> {
+              fs.getIsNamespaceEnabled();
+            });
+  }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2523d81/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/constants/TestConfigurationKeys.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/constants/TestConfigurationKeys.java
 
b/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/constants/TestConfigurationKeys.java
index 5565a49..fbd13fe 100644
--- 
a/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/constants/TestConfigurationKeys.java
+++ 
b/hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/constants/TestConfigurationKeys.java
@@ -26,6 +26,7 @@ public final class TestConfigurationKeys {
   public static final String FS_AZURE_ABFS_ACCOUNT_NAME = 
"fs.azure.abfs.account.name";
   public static final String FS_AZURE_ACCOUNT_KEY = "fs.azure.account.key";
   public static final String FS_AZURE_CONTRACT_TEST_URI = 
"fs.contract.test.fs.abfs";
+  public static final String FS_AZURE_TEST_NAMESPACE_ENABLED_ACCOUNT = 
"fs.azure.test.namespace.enabled";
 
   public static final String FS_AZURE_BLOB_DATA_CONTRIBUTOR_CLIENT_ID = 
"fs.azure.account.oauth2.contributor.client.id";
   public static final String FS_AZURE_BLOB_DATA_CONTRIBUTOR_CLIENT_SECRET = 
"fs.azure.account.oauth2.contributor.client.secret";


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