org.apache.pulsar.client.api.Authentication Maven / Gradle / Ivy
/**
* 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.api;
import java.io.Closeable;
import java.io.Serializable;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import org.apache.pulsar.client.api.PulsarClientException.UnsupportedAuthenticationException;
import org.apache.pulsar.common.classification.InterfaceAudience;
import org.apache.pulsar.common.classification.InterfaceStability;
/**
* Interface of authentication providers.
*/
@InterfaceAudience.LimitedPrivate
@InterfaceStability.Stable
public interface Authentication extends Closeable, Serializable {
/**
* @return the identifier for this authentication method
*/
String getAuthMethodName();
/**
*
* @return The authentication data identifying this client that will be sent to the broker
* @throws PulsarClientException.GettingAuthenticationDataException
* if there was error getting the authentication data to use
* @throws PulsarClientException
* any other error
*/
default AuthenticationDataProvider getAuthData() throws PulsarClientException {
throw new UnsupportedAuthenticationException("Method not implemented!");
}
/**
* Get/Create an authentication data provider which provides the data that this client will be sent to the broker.
* Some authentication method need to auth between each client channel. So it need the broker, who it will talk to.
*
* @param brokerHostName
* target broker host name
*
* @return The authentication data provider
*/
default AuthenticationDataProvider getAuthData(String brokerHostName) throws PulsarClientException {
return this.getAuthData();
}
/**
* Configure the authentication plugins with the supplied parameters.
*
* @param authParams
* @deprecated This method will be deleted on version 2.0, instead please use configure(String
* encodedAuthParamString) which is in EncodedAuthenticationParameterSupport for now and will be
* integrated into this interface.
*/
@Deprecated
void configure(Map authParams);
/**
* Initialize the authentication provider.
*/
void start() throws PulsarClientException;
/**
* An authentication Stage.
* when authentication complete, passed-in authFuture will contains authentication related http request headers.
*/
default void authenticationStage(String requestUrl,
AuthenticationDataProvider authData,
Map previousResHeaders,
CompletableFuture> authFuture) {
authFuture.complete(null);
}
/**
* Add an authenticationStage that will complete along with authFuture.
*/
default Set> newRequestHeader(String hostName,
AuthenticationDataProvider authData,
Map previousResHeaders) throws Exception {
return authData.getHttpHeaders();
}
}