org.apache.pulsar.functions.auth.ClearTextFunctionTokenAuthProvider 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.functions.auth;
import static org.apache.pulsar.broker.authentication.AuthenticationProviderToken.getToken;
import java.util.Optional;
import org.apache.pulsar.broker.authentication.AuthenticationDataSource;
import org.apache.pulsar.client.impl.auth.AuthenticationToken;
import org.apache.pulsar.functions.instance.AuthenticationConfig;
import org.apache.pulsar.functions.proto.Function;
public class ClearTextFunctionTokenAuthProvider implements FunctionAuthProvider {
@Override
public void configureAuthenticationConfig(AuthenticationConfig authConfig,
Optional functionAuthData) {
if (!functionAuthData.isPresent()) {
// if auth data is not present maybe user is trying to use anonymous role thus don't pass in any auth config
authConfig.setClientAuthenticationPlugin(null);
authConfig.setClientAuthenticationParameters(null);
} else {
authConfig.setClientAuthenticationPlugin(AuthenticationToken.class.getName());
authConfig.setClientAuthenticationParameters("token:" + new String(functionAuthData.get().getData()));
}
}
@Override
public Optional cacheAuthData(Function.FunctionDetails funcDetails,
AuthenticationDataSource authenticationDataSource)
throws Exception {
String token = null;
try {
token = getToken(authenticationDataSource);
} catch (Exception e) {
throw new RuntimeException(e);
}
if (token != null) {
return Optional.of(FunctionAuthData.builder().data(token.getBytes()).build());
}
return Optional.empty();
}
@Override
public Optional updateAuthData(Function.FunctionDetails funcDetails,
Optional existingFunctionAuthData,
AuthenticationDataSource authenticationDataSource)
throws Exception {
return cacheAuthData(funcDetails, authenticationDataSource);
}
@Override
public void cleanUpAuthData(Function.FunctionDetails funcDetails,
Optional functionAuthData) throws Exception {
//no-op
}
}