org.apache.solr.common.cloud.VMParamsAllAndReadonlyDigestZkACLProvider Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.solr.common.cloud;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import org.apache.solr.common.StringUtils;
import org.apache.zookeeper.ZooDefs;
import org.apache.zookeeper.data.ACL;
import org.apache.zookeeper.data.Id;
import org.apache.zookeeper.server.auth.DigestAuthenticationProvider;
public class VMParamsAllAndReadonlyDigestZkACLProvider extends DefaultZkACLProvider {
public static final String DEFAULT_DIGEST_READONLY_USERNAME_VM_PARAM_NAME = "zkDigestReadonlyUsername";
public static final String DEFAULT_DIGEST_READONLY_PASSWORD_VM_PARAM_NAME = "zkDigestReadonlyPassword";
final String zkDigestAllUsernameVMParamName;
final String zkDigestAllPasswordVMParamName;
final String zkDigestReadonlyUsernameVMParamName;
final String zkDigestReadonlyPasswordVMParamName;
public VMParamsAllAndReadonlyDigestZkACLProvider() {
this(
VMParamsSingleSetCredentialsDigestZkCredentialsProvider.DEFAULT_DIGEST_USERNAME_VM_PARAM_NAME,
VMParamsSingleSetCredentialsDigestZkCredentialsProvider.DEFAULT_DIGEST_PASSWORD_VM_PARAM_NAME,
DEFAULT_DIGEST_READONLY_USERNAME_VM_PARAM_NAME,
DEFAULT_DIGEST_READONLY_PASSWORD_VM_PARAM_NAME
);
}
public VMParamsAllAndReadonlyDigestZkACLProvider(String zkDigestAllUsernameVMParamName, String zkDigestAllPasswordVMParamName,
String zkDigestReadonlyUsernameVMParamName, String zkDigestReadonlyPasswordVMParamName) {
this.zkDigestAllUsernameVMParamName = zkDigestAllUsernameVMParamName;
this.zkDigestAllPasswordVMParamName = zkDigestAllPasswordVMParamName;
this.zkDigestReadonlyUsernameVMParamName = zkDigestReadonlyUsernameVMParamName;
this.zkDigestReadonlyPasswordVMParamName = zkDigestReadonlyPasswordVMParamName;
}
@Override
protected List createGlobalACLsToAdd() {
try {
List result = new ArrayList();
// Not to have to provide too much credentials and ACL information to the process it is assumed that you want "ALL"-acls
// added to the user you are using to connect to ZK (if you are using VMParamsSingleSetCredentialsDigestZkCredentialsProvider)
String digestAllUsername = System.getProperty(zkDigestAllUsernameVMParamName);
String digestAllPassword = System.getProperty(zkDigestAllPasswordVMParamName);
if (!StringUtils.isEmpty(digestAllUsername) && !StringUtils.isEmpty(digestAllPassword)) {
result.add(new ACL(ZooDefs.Perms.ALL, new Id("digest", DigestAuthenticationProvider.generateDigest(digestAllUsername + ":" + digestAllPassword))));
}
// Besides that support for adding additional "READONLY"-acls for another user
String digestReadonlyUsername = System.getProperty(zkDigestReadonlyUsernameVMParamName);
String digestReadonlyPassword = System.getProperty(zkDigestReadonlyPasswordVMParamName);
if (!StringUtils.isEmpty(digestReadonlyUsername) && !StringUtils.isEmpty(digestReadonlyPassword)) {
result.add(new ACL(ZooDefs.Perms.READ, new Id("digest", DigestAuthenticationProvider.generateDigest(digestReadonlyUsername + ":" + digestReadonlyPassword))));
}
if (result.isEmpty()) {
result = super.createGlobalACLsToAdd();
}
return result;
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
}
}