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CustomBearerAuthCredentialProvider.java
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CustomBearerAuthCredentialProvider.java
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/*
* Copyright 2023 Confluent Inc.
*
* Licensed 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 io.confluent.kafka.schemaregistry.client.security.bearerauth;
import io.confluent.kafka.schemaregistry.client.SchemaRegistryClientConfig;
import java.net.URL;
import java.util.Map;
import org.apache.kafka.common.config.ConfigException;
import org.apache.kafka.common.security.oauthbearer.secured.ConfigurationUtils;
public class CustomBearerAuthCredentialProvider implements BearerAuthCredentialProvider {
BearerAuthCredentialProvider customBearerAuthCredentialProvider;
private String targetSchemaRegistry;
private String targetIdentityPoolId;
@Override
public String alias() {
return "CUSTOM";
}
@Override
public String getBearerToken(URL url) {
return this.customBearerAuthCredentialProvider.getBearerToken(url);
}
@Override
public String getTargetSchemaRegistry() {
return this.customBearerAuthCredentialProvider.getTargetSchemaRegistry() != null
? this.customBearerAuthCredentialProvider.getTargetSchemaRegistry()
: this.targetSchemaRegistry;
}
@Override
public String getTargetIdentityPoolId() {
return this.customBearerAuthCredentialProvider.getTargetIdentityPoolId() != null
? this.customBearerAuthCredentialProvider.getTargetIdentityPoolId()
: this.targetIdentityPoolId;
}
@Override
public void configure(Map<String, ?> map) {
ConfigurationUtils cu = new ConfigurationUtils(map);
String className = cu.validateString(
SchemaRegistryClientConfig.BEARER_AUTH_CUSTOM_PROVIDER_CLASS);
try {
this.customBearerAuthCredentialProvider =
(BearerAuthCredentialProvider) Class.forName(className)
.getDeclaredConstructor()
.newInstance();
} catch (Exception e) {
throw new ConfigException(String.format(
"Unable to instantiate an object of class %s, failed with exception: ",
SchemaRegistryClientConfig.BEARER_AUTH_CUSTOM_PROVIDER_CLASS
) + e.getMessage());
}
targetSchemaRegistry = cu.validateString(
SchemaRegistryClientConfig.BEARER_AUTH_LOGICAL_CLUSTER, false);
targetIdentityPoolId = cu.validateString(
SchemaRegistryClientConfig.BEARER_AUTH_IDENTITY_POOL_ID, false);
this.customBearerAuthCredentialProvider.configure(map);
}
}