org.elasticsearch.action.admin.cluster.node.reload.NodesReloadSecureSettingsRequest Maven / Gradle / Ivy
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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.action.admin.cluster.node.reload;
import org.elasticsearch.Version;
import org.elasticsearch.action.support.nodes.BaseNodesRequest;
import org.elasticsearch.common.io.stream.StreamInput;
import java.io.IOException;
import org.elasticsearch.common.CharArrays;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.settings.SecureString;
import java.util.Arrays;
/**
* Request for a reload secure settings action
*/
public class NodesReloadSecureSettingsRequest extends BaseNodesRequest {
/**
* The password is used to re-read and decrypt the contents
* of the node's keystore (backing the implementation of
* {@code SecureSettings}).
*/
@Nullable
private SecureString secureSettingsPassword;
public NodesReloadSecureSettingsRequest() {
super((String[]) null);
}
public NodesReloadSecureSettingsRequest(StreamInput in) throws IOException {
super(in);
if (in.getVersion().onOrAfter(Version.V_7_7_0)) {
final BytesReference bytesRef = in.readOptionalBytesReference();
if (bytesRef != null) {
byte[] bytes = BytesReference.toBytes(bytesRef);
try {
this.secureSettingsPassword = new SecureString(CharArrays.utf8BytesToChars(bytes));
} finally {
Arrays.fill(bytes, (byte) 0);
}
} else {
this.secureSettingsPassword = null;
}
}
}
/**
* Reload secure settings only on certain nodes, based on the nodes ids
* specified. If none are passed, secure settings will be reloaded on all the
* nodes.
*/
public NodesReloadSecureSettingsRequest(String... nodesIds) {
super(nodesIds);
}
@Nullable
public SecureString getSecureSettingsPassword() {
return secureSettingsPassword;
}
public void setSecureStorePassword(SecureString secureStorePassword) {
this.secureSettingsPassword = secureStorePassword;
}
public void closePassword() {
if (this.secureSettingsPassword != null) {
this.secureSettingsPassword.close();
}
}
boolean hasPassword() {
return this.secureSettingsPassword != null && this.secureSettingsPassword.length() > 0;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
if (out.getVersion().onOrAfter(Version.V_7_4_0)) {
if (this.secureSettingsPassword == null) {
out.writeOptionalBytesReference(null);
} else {
final byte[] passwordBytes = CharArrays.toUtf8Bytes(this.secureSettingsPassword.getChars());
try {
out.writeOptionalBytesReference(new BytesArray(passwordBytes));
} finally {
Arrays.fill(passwordBytes, (byte) 0);
}
}
}
}
}