1 files changed, 153 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dmaap/kafkaAuthorize/KafkaCustomAuthorizer.java b/src/main/java/org/onap/dmaap/kafkaAuthorize/KafkaCustomAuthorizer.java
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+++ b/src/main/java/org/onap/dmaap/kafkaAuthorize/KafkaCustomAuthorizer.java
@@ -0,0 +1,153 @@
+/*******************************************************************************
+ *  ============LICENSE_START=======================================================
+ *  org.onap.dmaap
+ *  ================================================================================
+ *  Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ *  ================================================================================
+ *  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.
+ *  ============LICENSE_END=========================================================
+ *  
+ *  
+ *******************************************************************************/
+package org.onap.dmaap.kafkaAuthorize;
+
+import java.util.Map;
+
+import org.apache.kafka.common.security.auth.KafkaPrincipal;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.onap.aaf.cadi.PropAccess;
+import org.onap.dmaap.commonauth.kafka.base.authorization.AuthorizationProviderFactory;
+import kafka.network.RequestChannel.Session;
+import kafka.security.auth.Acl;
+import kafka.security.auth.Authorizer;
+import kafka.security.auth.Operation;
+import kafka.security.auth.Resource;
+import scala.collection.immutable.Set;
+
+/**
+ * A trivial Kafka Authorizer for use with SSL and AAF
+ * Authentication/Authorization.
+ * 
+ */
+public class KafkaCustomAuthorizer implements Authorizer {
+	private PropAccess access;
+	private static final Logger logger = LoggerFactory.getLogger(KafkaCustomAuthorizer.class);
+
+	// I'm assuming this is called BEFORE any usage...
+	@Override
+	public void configure(final Map<String, ?> arg0) {
+		// TODO Auto-generate method stub
+	}
+
+	@Override
+	public void addAcls(final Set<Acl> arg0, final Resource arg1) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public boolean authorize(final Session arg0, final Operation arg1, final Resource arg2) {
+		if (arg0.principal() == null) {
+			return false;
+		}
+
+		String fullName = arg0.principal().getName();
+		fullName = fullName != null ? fullName.trim() : fullName;
+		String topicName = null;
+		String namspace = null;
+		String ins = null;
+		String type = null;
+		String action = null;
+
+		String kafkaactivity = arg1.name();
+
+		if (kafkaactivity.equals("Read")) {
+			action = "sub";
+		} else if (kafkaactivity.equals("Write")) {
+			action = "pub";
+		} else if (kafkaactivity.equals("Describe")) {
+			return true;
+		}
+		if (arg2.resourceType().name().equals("Topic")) {
+			topicName = arg2.name();
+		} else {
+			return true;
+		}
+
+		try {
+
+			if (null != topicName && topicName.indexOf(".") > 0) {
+				namspace = topicName.substring(0, topicName.lastIndexOf("."));
+				ins = namspace + ".topic";
+				type = ":topic." + topicName;
+				logger.info("^Event Received for topic " + topicName + " , User " + fullName + " , action = " + action);
+			}
+
+			if (fullName.equals("admin")) {
+				return true;
+			}
+
+			if (null != topicName) {
+				boolean hasResp = AuthorizationProviderFactory.getProviderFactory().getProvider()
+						.hasPermission(fullName, ins, type, action);
+				if (hasResp) {
+					logger.info("Successful Authorization for " + fullName + " on " + topicName + " for " + ins + "|"
+							+ type + "|" + action);
+				}
+				if (!hasResp) {
+					logger.info(fullName + " is not allowed in " + ins + "|" + type + "|" + action);
+					throw new Exception(fullName + " is not allowed in " + ins + "|" + type + "|" + action);
+				}
+			}
+		} catch (final Exception e) {
+			return false;
+		}
+		return true;
+	}
+
+	@Override
+	public void close() {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public scala.collection.immutable.Map<Resource, Set<Acl>> getAcls() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public scala.collection.immutable.Map<Resource, Set<Acl>> getAcls(final KafkaPrincipal arg0) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public boolean removeAcls(final Resource arg0) {
+		// TODO Auto-generated method stub
+		return false;
+	}
+
+	@Override
+	public boolean removeAcls(final Set<Acl> arg0, final Resource arg1) {
+		// TODO Auto-generated method stub
+		return false;
+	}
+
+	public Set<Acl> getAcls(Resource arg0) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+}