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/*-
* ============LICENSE_START=======================================================
* ONAP-PAP-REST
* ================================================================================
* 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.pap.xacml.rest.handler;
import java.io.IOException;
import java.util.HashMap;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.parsers.ParserConfigurationException;
import org.onap.policy.common.logging.eelf.PolicyLogger;
import org.onap.policy.pap.xacml.rest.XACMLPapServlet;
import org.onap.policy.pap.xacml.rest.policycontroller.PolicyCreation;
import org.onap.policy.rest.adapter.PolicyRestAdapter;
import org.onap.policy.utils.PolicyUtils;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import org.onap.policy.xacml.std.pap.StdPAPPolicy;
import org.xml.sax.SAXException;
import com.att.research.xacml.util.XACMLProperties;
public class SavePolicyHandler {
private HashMap<String, String> ErrorHeaders = null;
public void doPolicyAPIPut(HttpServletRequest request, HttpServletResponse response) throws IOException {
String operation = request.getParameter("operation");
String policyType = request.getParameter("policyType");
String apiflag = request.getParameter("apiflag");
PolicyCreation creation = new PolicyCreation();
if ( policyType != null ) {
PolicyRestAdapter policyAdapter = new PolicyRestAdapter();
if("update".equalsIgnoreCase(operation)){
policyAdapter.setEditPolicy(true);
}else{
policyAdapter.setEditPolicy(false);
}
// get the request content into a String
String json = null;
// read the inputStream into a buffer (trick found online scans entire input looking for end-of-file)
java.util.Scanner scanner = new java.util.Scanner(request.getInputStream());
scanner.useDelimiter("\\A");
json = scanner.hasNext() ? scanner.next() : "";
scanner.close();
PolicyLogger.info("JSON request from API: " + json);
// convert Object sent as JSON into local object
StdPAPPolicy policy = PolicyUtils.jsonStringToObject(json, StdPAPPolicy.class);
//Set policyAdapter values including parentPath (Common to all policy types)
try {
policyAdapter = setDataToPolicyAdapter(policy, policyType, apiflag);
if(!extendedPolicyOptions(policyAdapter, response)){
creation.savePolicy(policyAdapter, response);
}
if ("update".equalsIgnoreCase(operation)) {
response.addHeader("operation", "update");
} else {
response.addHeader("operation", "create");
}
} catch (Exception e1) {
PolicyLogger.error(XACMLErrorConstants.ERROR_UNKNOWN +
"Could not set data to policy adapter "+ e1.getMessage());
}
}
}
private PolicyRestAdapter setDataToPolicyAdapter(StdPAPPolicy policy, String policyType, String apiflag) throws ParserConfigurationException, ServletException, SAXException, IOException{
PolicyRestAdapter policyAdapter = new PolicyRestAdapter();
policyAdapter.setApiflag(apiflag);
/*
* set policy adapter values for Building JSON object containing policy data
*/
//Common among policy types
policyAdapter.setPolicyName(policy.getPolicyName());
policyAdapter.setPolicyDescription(policy.getPolicyDescription());
policyAdapter.setOnapName(policy.getOnapName()); //Config Base and Decision Policies
policyAdapter.setRuleCombiningAlgId("urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:permit-overrides");
policyAdapter.setPolicyType(policyType);
policyAdapter.setDynamicFieldConfigAttributes(policy.getDynamicFieldConfigAttributes());
policyAdapter.setEditPolicy(policy.isEditPolicy());
policyAdapter.setEntityManagerFactory(XACMLPapServlet.getEmf());
//Config Specific
policyAdapter.setConfigName(policy.getConfigName()); //Base and Firewall
policyAdapter.setConfigBodyData(policy.getConfigBodyData()); //Base
policyAdapter.setConfigType((policy.getConfigType()!=null) ? policy.getConfigType().toUpperCase(): null); //Base
policyAdapter.setJsonBody(policy.getJsonBody()); //Firewall, ClosedLoop
policyAdapter.setConfigPolicyType(policy.getConfigPolicyType());
policyAdapter.setDraft(policy.isDraft()); //ClosedLoop_Fault
policyAdapter.setServiceType(policy.getServiceType()); //ClosedLoop_PM
policyAdapter.setUuid(policy.getUuid()); //Micro Service
policyAdapter.setLocation(policy.getMsLocation()); //Micro Service
policyAdapter.setPriority(policy.getPriority()); //Micro Service
policyAdapter.setPolicyScope(policy.getDomainDir());
policyAdapter.setRiskType(policy.getRiskType()); //Safe Policy Attributes
policyAdapter.setRiskLevel(policy.getRiskLevel());//Safe Policy Attributes
policyAdapter.setGuard(policy.getGuard());//Safe Policy Attributes
policyAdapter.setTtlDate(policy.getTTLDate());//Safe Policy Attributes
policyAdapter.setBrmsParamBody(policy.getDrlRuleAndUIParams());
policyAdapter.setBrmsDependency(policy.getBrmsDependency()); // BRMS Policies.
policyAdapter.setBrmsController(policy.getBrmsController()); // BRMS Policies.
//Action Policy Specific
policyAdapter.setActionAttribute(policy.getActionAttribute()); //comboDictValue
policyAdapter.setActionPerformer(policy.getActionPerformer());
policyAdapter.setDynamicRuleAlgorithmLabels(policy.getDynamicRuleAlgorithmLabels());
policyAdapter.setDynamicRuleAlgorithmCombo(policy.getDynamicRuleAlgorithmCombo());
policyAdapter.setDynamicRuleAlgorithmField1(policy.getDynamicRuleAlgorithmField1());
policyAdapter.setDynamicRuleAlgorithmField2(policy.getDynamicRuleAlgorithmField2());
//Decision Policy Specific
policyAdapter.setDynamicSettingsMap(policy.getDynamicSettingsMap());
policyAdapter.setRuleProvider(policy.getProviderComboBox());
policyAdapter.setDomainDir(policyAdapter.getPolicyScope());
policyAdapter.setDomain(policyAdapter.getPolicyScope());
return policyAdapter;
}
public boolean extendedPolicyOptions(PolicyRestAdapter policyAdapter, HttpServletResponse response){
return false;
}
public void addErrorHeader(String key, String value){
if(ErrorHeaders==null){
ErrorHeaders= new HashMap<>();
}
ErrorHeaders.put(key, value);
}
public static SavePolicyHandler getInstance() {
try {
Class<?> savePolicyHandler = Class.forName(XACMLProperties.getProperty("savePolicy.impl.className", SavePolicyHandler.class.getName()));
SavePolicyHandler instance = (SavePolicyHandler) savePolicyHandler.newInstance();
return instance;
} catch (Exception e) {
PolicyLogger.error(e.getMessage());
}
return null;
}
}
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