kafka AccessTokenRetrieverFactory 源码
kafka AccessTokenRetrieverFactory 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/security/oauthbearer/internals/secured/AccessTokenRetrieverFactory.java
/*
* 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.kafka.common.security.oauthbearer.internals.secured;
import static org.apache.kafka.common.config.SaslConfigs.SASL_LOGIN_CONNECT_TIMEOUT_MS;
import static org.apache.kafka.common.config.SaslConfigs.SASL_LOGIN_READ_TIMEOUT_MS;
import static org.apache.kafka.common.config.SaslConfigs.SASL_LOGIN_RETRY_BACKOFF_MAX_MS;
import static org.apache.kafka.common.config.SaslConfigs.SASL_LOGIN_RETRY_BACKOFF_MS;
import static org.apache.kafka.common.config.SaslConfigs.SASL_OAUTHBEARER_TOKEN_ENDPOINT_URL;
import static org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginCallbackHandler.CLIENT_ID_CONFIG;
import static org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginCallbackHandler.CLIENT_SECRET_CONFIG;
import static org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginCallbackHandler.SCOPE_CONFIG;
import java.net.URL;
import java.util.Locale;
import java.util.Map;
import javax.net.ssl.SSLSocketFactory;
public class AccessTokenRetrieverFactory {
/**
* Create an {@link AccessTokenRetriever} from the given SASL and JAAS configuration.
*
* <b>Note</b>: the returned <code>AccessTokenRetriever</code> is <em>not</em> initialized
* here and must be done by the caller prior to use.
*
* @param configs SASL configuration
* @param jaasConfig JAAS configuration
*
* @return Non-<code>null</code> {@link AccessTokenRetriever}
*/
public static AccessTokenRetriever create(Map<String, ?> configs, Map<String, Object> jaasConfig) {
return create(configs, null, jaasConfig);
}
public static AccessTokenRetriever create(Map<String, ?> configs,
String saslMechanism,
Map<String, Object> jaasConfig) {
ConfigurationUtils cu = new ConfigurationUtils(configs, saslMechanism);
URL tokenEndpointUrl = cu.validateUrl(SASL_OAUTHBEARER_TOKEN_ENDPOINT_URL);
if (tokenEndpointUrl.getProtocol().toLowerCase(Locale.ROOT).equals("file")) {
return new FileTokenRetriever(cu.validateFile(SASL_OAUTHBEARER_TOKEN_ENDPOINT_URL));
} else {
JaasOptionsUtils jou = new JaasOptionsUtils(jaasConfig);
String clientId = jou.validateString(CLIENT_ID_CONFIG);
String clientSecret = jou.validateString(CLIENT_SECRET_CONFIG);
String scope = jou.validateString(SCOPE_CONFIG, false);
SSLSocketFactory sslSocketFactory = null;
if (jou.shouldCreateSSLSocketFactory(tokenEndpointUrl))
sslSocketFactory = jou.createSSLSocketFactory();
return new HttpAccessTokenRetriever(clientId,
clientSecret,
scope,
sslSocketFactory,
tokenEndpointUrl.toString(),
cu.validateLong(SASL_LOGIN_RETRY_BACKOFF_MS),
cu.validateLong(SASL_LOGIN_RETRY_BACKOFF_MAX_MS),
cu.validateInteger(SASL_LOGIN_CONNECT_TIMEOUT_MS, false),
cu.validateInteger(SASL_LOGIN_READ_TIMEOUT_MS, false));
}
}
}
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