| /** |
| * 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.security; |
| |
| import java.io.IOException; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.security.token.Token; |
| import org.apache.hadoop.security.token.TokenRenewer; |
| |
| /** |
| * Token Renewer for renewing ABFS delegation tokens with remote service. |
| */ |
| public class AbfsTokenRenewer extends TokenRenewer { |
| public static final Logger LOG = |
| LoggerFactory.getLogger(AbfsTokenRenewer.class); |
| |
| /** |
| * Checks if this particular object handles the Kind of token passed. |
| * |
| * @param kind the kind of the token |
| * @return true if it handles passed token kind false otherwise. |
| */ |
| @Override |
| public boolean handleKind(Text kind) { |
| return AbfsDelegationTokenIdentifier.TOKEN_KIND.equals(kind); |
| } |
| |
| /** |
| * Checks if passed token is managed. |
| * |
| * @param token the token being checked |
| * @return true if it is managed. |
| * @throws IOException thrown when evaluating if token is managed. |
| */ |
| @Override |
| public boolean isManaged(Token<?> token) throws IOException { |
| return true; |
| } |
| |
| /** |
| * Renew the delegation token. |
| * |
| * @param token token to renew. |
| * @param conf configuration object. |
| * @return extended expiry time of the token. |
| * @throws IOException thrown when trying get current user. |
| * @throws InterruptedException thrown when thread is interrupted |
| */ |
| @Override |
| public long renew(final Token<?> token, Configuration conf) |
| throws IOException, InterruptedException { |
| LOG.debug("Renewing the delegation token"); |
| return getInstance(conf).renewDelegationToken(token); |
| } |
| |
| /** |
| * Cancel the delegation token. |
| * |
| * @param token token to cancel. |
| * @param conf configuration object. |
| * @throws IOException thrown when trying get current user. |
| * @throws InterruptedException thrown when thread is interrupted. |
| */ |
| @Override |
| public void cancel(final Token<?> token, Configuration conf) |
| throws IOException, InterruptedException { |
| LOG.debug("Cancelling the delegation token"); |
| getInstance(conf).cancelDelegationToken(token); |
| } |
| |
| private AbfsDelegationTokenManager getInstance(Configuration conf) |
| throws IOException { |
| return new AbfsDelegationTokenManager(conf); |
| } |
| } |