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/*-
* ============LICENSE_START=======================================================
* guard
* ================================================================================
* Copyright (C) 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.policy.guard;
import java.util.UUID;
import org.drools.core.WorkingMemory;
import org.onap.policy.drools.system.PolicyEngine;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.att.research.xacml.api.DataTypeException;
import com.att.research.xacml.std.annotations.RequestParser;
public class CallGuardTask implements Runnable {
private static final Logger logger = LoggerFactory.getLogger(CallGuardTask.class);
WorkingMemory workingMemory;
String restfulPdpUrl;
String clname;
String actor;
String recipe;
String target;
String requestId;
/*
* Guard url is grabbed from PolicyEngine.manager properties
*/
public CallGuardTask(WorkingMemory wm, String cl, String act, String rec, String tar, String reqId) {
workingMemory = wm;
clname = cl;
actor = act;
recipe = rec;
requestId = reqId;
target = tar;
}
public void run() {
long startTime = System.nanoTime();
com.att.research.xacml.api.Request request = null;
PolicyGuardXacmlRequestAttributes xacmlReq = new PolicyGuardXacmlRequestAttributes(clname, actor, recipe, target, requestId);
try {
request = RequestParser.parseRequest(xacmlReq);
} catch (IllegalArgumentException | IllegalAccessException | DataTypeException e) {
logger.error("CallGuardTask.run threw: {}", e);
}
logger.debug("\n********** XACML REQUEST START ********");
logger.debug("{}", request);
logger.debug("********** XACML REQUEST END ********\n");
String guardUrl = PolicyEngine.manager.getEnvironmentProperty(Util.PROP_GUARD_URL);
String guardDecision = null;
//
// Make guard request
//
guardDecision = new PolicyGuardXacmlHelper().callPDP(xacmlReq);
logger.debug("\n********** XACML RESPONSE START ********");
logger.debug("{}", guardDecision);
logger.debug("********** XACML RESPONSE END ********\n");
//
// Check if the restful call was unsuccessful or property doesn't exist
//
if(guardDecision == null){
logger.error("********** XACML FAILED TO CONNECT ********");
guardDecision = Util.INDETERMINATE;
}
PolicyGuardResponse guardResponse = new PolicyGuardResponse(guardDecision, UUID.fromString(this.requestId), this.recipe);
//
//Create an artificial Guard response in case we didn't get a clear Permit or Deny
//
if(guardResponse.result.equals("Indeterminate")){
guardResponse.operation = recipe;
guardResponse.requestID = UUID.fromString(requestId);
}
long estimatedTime = System.nanoTime() - startTime;
logger.debug("\n\n============ Guard inserted with decision {} !!! =========== time took: {} mili sec \n\n",
guardResponse.result, (double)estimatedTime/1000/1000);
workingMemory.insert(guardResponse);
}
}
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