| /** |
| * 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.security; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Arrays; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.io.WritableFactories; |
| import org.apache.hadoop.io.WritableFactory; |
| |
| /** |
| * Object for passing access keys |
| */ |
| @InterfaceAudience.Private |
| public class ExportedAccessKeys implements Writable { |
| public static final ExportedAccessKeys DUMMY_KEYS = new ExportedAccessKeys(); |
| private boolean isAccessTokenEnabled; |
| private long keyUpdateInterval; |
| private long tokenLifetime; |
| private BlockAccessKey currentKey; |
| private BlockAccessKey[] allKeys; |
| |
| public ExportedAccessKeys() { |
| this(false, 0, 0, new BlockAccessKey(), new BlockAccessKey[0]); |
| } |
| |
| ExportedAccessKeys(boolean isAccessTokenEnabled, long keyUpdateInterval, |
| long tokenLifetime, BlockAccessKey currentKey, BlockAccessKey[] allKeys) { |
| this.isAccessTokenEnabled = isAccessTokenEnabled; |
| this.keyUpdateInterval = keyUpdateInterval; |
| this.tokenLifetime = tokenLifetime; |
| this.currentKey = currentKey; |
| this.allKeys = allKeys; |
| } |
| |
| public boolean isAccessTokenEnabled() { |
| return isAccessTokenEnabled; |
| } |
| |
| public long getKeyUpdateInterval() { |
| return keyUpdateInterval; |
| } |
| |
| public long getTokenLifetime() { |
| return tokenLifetime; |
| } |
| |
| public BlockAccessKey getCurrentKey() { |
| return currentKey; |
| } |
| |
| public BlockAccessKey[] getAllKeys() { |
| return allKeys; |
| } |
| |
| static boolean isEqual(Object a, Object b) { |
| return a == null ? b == null : a.equals(b); |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| if (obj instanceof ExportedAccessKeys) { |
| ExportedAccessKeys that = (ExportedAccessKeys) obj; |
| return this.isAccessTokenEnabled == that.isAccessTokenEnabled |
| && this.keyUpdateInterval == that.keyUpdateInterval |
| && this.tokenLifetime == that.tokenLifetime |
| && isEqual(this.currentKey, that.currentKey) |
| && Arrays.equals(this.allKeys, that.allKeys); |
| } |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| public int hashCode() { |
| return currentKey == null ? 0 : currentKey.hashCode(); |
| } |
| |
| // /////////////////////////////////////////////// |
| // Writable |
| // /////////////////////////////////////////////// |
| static { // register a ctor |
| WritableFactories.setFactory(ExportedAccessKeys.class, |
| new WritableFactory() { |
| public Writable newInstance() { |
| return new ExportedAccessKeys(); |
| } |
| }); |
| } |
| |
| /** |
| */ |
| public void write(DataOutput out) throws IOException { |
| out.writeBoolean(isAccessTokenEnabled); |
| out.writeLong(keyUpdateInterval); |
| out.writeLong(tokenLifetime); |
| currentKey.write(out); |
| out.writeInt(allKeys.length); |
| for (int i = 0; i < allKeys.length; i++) { |
| allKeys[i].write(out); |
| } |
| } |
| |
| /** |
| */ |
| public void readFields(DataInput in) throws IOException { |
| isAccessTokenEnabled = in.readBoolean(); |
| keyUpdateInterval = in.readLong(); |
| tokenLifetime = in.readLong(); |
| currentKey.readFields(in); |
| this.allKeys = new BlockAccessKey[in.readInt()]; |
| for (int i = 0; i < allKeys.length; i++) { |
| allKeys[i] = new BlockAccessKey(); |
| allKeys[i].readFields(in); |
| } |
| } |
| |
| } |