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VulnAuthUtil.java
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VulnAuthUtil.java
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/*
* 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.zookeeper.server.util;
import java.util.ArrayList;
import java.util.List;
import org.apache.zookeeper.data.ClientInfo;
import org.apache.zookeeper.data.Id;
import org.apache.zookeeper.server.auth.AuthenticationProvider;
import org.apache.zookeeper.server.auth.ProviderRegistry;
public final class AuthUtil {
private AuthUtil() {
//Utility classes should not have public constructors
}
/**
* Gives user name
*
* @param id contains scheme and authentication info
* @return returns null if authentication scheme does not exist or
* authentication provider returns null as user
*/
public static String getUser(Id id) {
AuthenticationProvider provider = ProviderRegistry.getProvider(id.getScheme());
return provider == null ? null : provider.getUserName(id.getId());
}
/**
* Gets user from id to prepare ClientInfo.
*
* @param authInfo List of id objects. id contains scheme and authentication info
* @return list of client authentication info
*/
public static List<ClientInfo> getClientInfos(List<Id> authInfo) {
List<ClientInfo> clientAuthInfo = new ArrayList<>(authInfo.size());
authInfo.forEach(id -> {
String user = AuthUtil.getUser(id);
clientAuthInfo.add(new ClientInfo(id.getScheme(), user == null ? "" : user));
});
return clientAuthInfo;
}
}