| /* |
| * 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.pulsar.client.impl.auth; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| import javax.naming.AuthenticationException; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.pulsar.client.api.AuthenticationDataProvider; |
| import org.apache.pulsar.common.api.AuthData; |
| import org.apache.pulsar.common.sasl.SaslConstants; |
| |
| @Slf4j |
| public class SaslAuthenticationDataProvider implements AuthenticationDataProvider { |
| private static final long serialVersionUID = 1L; |
| |
| private PulsarSaslClient pulsarSaslClient; |
| |
| public SaslAuthenticationDataProvider(PulsarSaslClient pulsarSaslClient) { |
| this.pulsarSaslClient = pulsarSaslClient; |
| } |
| |
| @Override |
| public boolean hasDataFromCommand() { |
| return true; |
| } |
| |
| // create token that evaluated by client, and will send to server. |
| @Override |
| public AuthData authenticate(AuthData commandData) throws AuthenticationException { |
| // init |
| if (Arrays.equals(commandData.getBytes(), AuthData.INIT_AUTH_DATA_BYTES)) { |
| if (pulsarSaslClient.hasInitialResponse()) { |
| return pulsarSaslClient.evaluateChallenge(AuthData.of(new byte[0])); |
| } |
| return AuthData.of(new byte[0]); |
| } |
| |
| return pulsarSaslClient.evaluateChallenge(commandData); |
| } |
| |
| @Override |
| public boolean hasDataForHttp() { |
| return true; |
| } |
| |
| @Override |
| public Set<Entry<String, String>> getHttpHeaders() throws Exception { |
| Map<String, String> headers = new HashMap<>(); |
| headers.put(SaslConstants.SASL_HEADER_TYPE, SaslConstants.SASL_TYPE_VALUE); |
| return headers.entrySet(); |
| } |
| |
| } |