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/*-
* ============LICENSE_START=======================================================
* ONAP Policy Engine
* ================================================================================
* 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.rest.util;
import java.io.IOException;
import java.io.StringReader;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.json.Json;
import javax.json.JsonException;
import javax.json.JsonObject;
import javax.json.JsonReader;
import javax.servlet.http.HttpServletRequest;
import org.onap.policy.api.AttributeType;
import org.onap.policy.api.PolicyParameters;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.rest.adapter.PolicyRestAdapter;
import org.onap.policy.rest.adapter.RainyDayParams;
import org.onap.policy.rest.adapter.YAMLParams;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Strings;
public class PolicyValidationRequestWrapper {
private static final Logger LOGGER = FlexLogger.getLogger(PolicyValidationRequestWrapper.class);
public static final String CONFIG_NAME="configName";
public PolicyRestAdapter populateRequestParameters(HttpServletRequest request) {
PolicyRestAdapter policyData = null;
try {
ObjectMapper mapper = new ObjectMapper();
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
JsonNode root = mapper.readTree(request.getReader());
policyData = mapper.readValue(root.get("policyData").toString(), PolicyRestAdapter.class);
JsonObject json = null;
json = stringToJsonObject(root.toString());
if(json != null){
if(json.containsKey("policyJSON")){
policyData.setPolicyJSON(root.get("policyJSON"));
}else{
String jsonBodyData = json.getJsonObject("policyData").get("jsonBodyData").toString();
policyData.setJsonBody(jsonBodyData);
}
}
} catch (Exception e) {
LOGGER.error("Exception Occured while populating request parameters: " +e);
}
return policyData;
}
public PolicyRestAdapter populateRequestParameters(PolicyParameters parameters) {
PolicyRestAdapter policyData = new PolicyRestAdapter();
/*
* set policy adapter values for Building JSON object containing policy data
*/
//Common among policy types
policyData.setPolicyName(parameters.getPolicyName());
policyData.setOnapName(parameters.getOnapName());
//Some policies require jsonObject conversion from String for configBody (i.e. MicroService and Firewall)
JsonObject json = null;
try{
if(parameters.getConfigBody()!= null){
json = stringToJsonObject(parameters.getConfigBody());
}
} catch(JsonException| IllegalStateException e){
String message = XACMLErrorConstants.ERROR_DATA_ISSUE+ " improper JSON object : " + parameters.getConfigBody();
LOGGER.error(message, e);
return null;
}
if(parameters.getPolicyClass()!=null && !"Config".equals(parameters.getPolicyClass().toString())){
policyData.setPolicyType(parameters.getPolicyClass().toString());
//Get Matching attribute values
Map<AttributeType, Map<String, String>> attributes = parameters.getAttributes();
Map<String, String> matching = null;
if(attributes != null){
matching = attributes.get(AttributeType.MATCHING);
}
if("Decision".equals(parameters.getPolicyClass().toString())){
String ruleProvider = parameters.getRuleProvider().toString();
policyData.setRuleProvider(ruleProvider);
if("Rainy_Day".equals(ruleProvider)){
// Set Matching attributes in RainyDayParams in adapter
RainyDayParams rainyday = new RainyDayParams();
if(matching != null) {
rainyday.setServiceType(matching.get("ServiceType"));
rainyday.setVnfType(matching.get("VNFType"));
rainyday.setBbid(matching.get("BB_ID"));
rainyday.setWorkstep(matching.get("WorkStep"));
}
Map<String, String> treatments = parameters.getTreatments();
ArrayList<Object> treatmentsTableChoices = new ArrayList<>();
for (String keyField : treatments.keySet()) {
LinkedHashMap<String, String> treatmentMap = new LinkedHashMap<>();
String errorcode = keyField;
String treatment = treatments.get(errorcode);
treatmentMap.put("errorcode", errorcode);
treatmentMap.put("treatment", treatment);
treatmentsTableChoices.add(treatmentMap);
}
rainyday.setTreatmentTableChoices(treatmentsTableChoices);
policyData.setRainyday(rainyday);
}else if("GUARD_YAML".equals(ruleProvider) || "GUARD_BL_YAML".equals(ruleProvider)) {
// Set Matching attributes in YAMLParams in adapter
YAMLParams yamlparams = new YAMLParams();
if (matching != null) {
yamlparams.setActor(matching.get("actor"));
yamlparams.setRecipe(matching.get("recipe"));
yamlparams.setGuardActiveStart(matching.get("guardActiveStart"));
yamlparams.setGuardActiveEnd(matching.get("guardActiveEnd"));
if("GUARD_YAML".equals(ruleProvider)){
yamlparams.setLimit(matching.get("limit"));
yamlparams.setTimeWindow(matching.get("timeWindow"));
yamlparams.setTimeUnits(matching.get("timeUnits"));
}else{
List<String> blackList = new ArrayList<>();
if(!Strings.isNullOrEmpty(matching.get("blackList"))){
String[] blackListArray = matching.get("blackList").split(",");
for(String element : blackListArray){
blackList.add(element);
}
}
yamlparams.setBlackList(blackList);
}
}
policyData.setYamlparams(yamlparams);
}
} else if("Action".equals(parameters.getPolicyClass().toString())){
ArrayList<Object> ruleAlgorithmChoices = new ArrayList<Object>();
List<String> dynamicLabelRuleAlgorithms = parameters.getDynamicRuleAlgorithmLabels();
List<String> dynamicFieldFunctionRuleAlgorithms = parameters.getDynamicRuleAlgorithmFunctions();
List<String> dynamicFieldOneRuleAlgorithms = parameters.getDynamicRuleAlgorithmField1();
List<String> dyrnamicFieldTwoRuleAlgorithms = parameters.getDynamicRuleAlgorithmField2();
if (dynamicLabelRuleAlgorithms != null && dynamicLabelRuleAlgorithms.size() > 0) {
int i = dynamicLabelRuleAlgorithms.size() - 1;
for (String labelAttr : dynamicLabelRuleAlgorithms) {
LinkedHashMap<String, String> ruleAlgorithm = new LinkedHashMap<>();
String id = dynamicLabelRuleAlgorithms.get(i);
String dynamicRuleAlgorithmField1 = dynamicFieldOneRuleAlgorithms.get(i);
String dynamicRuleAlgorithmCombo = dynamicFieldFunctionRuleAlgorithms.get(i);
String dynamicRuleAlgorithmField2 = dyrnamicFieldTwoRuleAlgorithms.get(i);
ruleAlgorithm.put("id", id);
ruleAlgorithm.put("dynamicRuleAlgorithmField1", dynamicRuleAlgorithmField1);
ruleAlgorithm.put("dynamicRuleAlgorithmCombo", dynamicRuleAlgorithmCombo);
ruleAlgorithm.put("dynamicRuleAlgorithmField2", dynamicRuleAlgorithmField2);
ruleAlgorithmChoices.add(ruleAlgorithm);
i--;
}
}
policyData.setRuleAlgorithmschoices(ruleAlgorithmChoices);
ArrayList<Object> attributeList = new ArrayList<>();
if (matching != null) {
for (String keyField : matching.keySet()) {
LinkedHashMap<String, String> attributeMap = new LinkedHashMap<>();
String key = keyField;
String value = matching.get(keyField);
attributeMap.put("key", key);
attributeMap.put("value", value);
attributeList.add(attributeMap);
}
}
policyData.setAttributes(attributeList);
policyData.setActionAttributeValue(parameters.getActionAttribute());
policyData.setActionPerformer(parameters.getActionPerformer());
}
}else {
policyData.setPolicyType("Config");
policyData.setConfigPolicyType(parameters.getPolicyConfigType().toString());
//Config Specific
policyData.setConfigBodyData(parameters.getConfigBody()); //Base
policyData.setConfigType((parameters.getConfigBodyType()!=null) ? parameters.getConfigBodyType().toString().toUpperCase(): null); //Base
if("FW".equalsIgnoreCase(parameters.getPolicyConfigType().toString())){
policyData.setConfigPolicyType("Firewall Config");
// get values and attributes from the JsonObject
if(json != null){
if (json.get("securityZoneId")!=null){
String securityZone = json.get("securityZoneId").toString().replace("\"", "");
policyData.setSecurityZone(securityZone);
}
if (json.get(CONFIG_NAME)!=null){
String configName = json.get(CONFIG_NAME).toString().replace("\"", "");
policyData.setConfigName(configName);
}
}
}else if("MS".equals(parameters.getPolicyConfigType().toString())){
policyData.setConfigPolicyType("Micro Service");
// get values and attributes from the JsonObject
if(json != null){
if (json.containsKey("content")){
String content = json.get("content").toString();
ObjectMapper mapper = new ObjectMapper();
JsonNode policyJSON = null;
try {
policyJSON = mapper.readTree(content);
} catch (IOException e) {
String message = XACMLErrorConstants.ERROR_DATA_ISSUE+ " improper JSON object : " + parameters.getConfigBody();
LOGGER.error(message, e);
return null;
}
policyData.setPolicyJSON(policyJSON);
}
if (json.containsKey("service")){
String serviceType = json.get("service").toString().replace("\"", "");
policyData.setServiceType(serviceType);
}
if (json.containsKey("uuid")){
String uuid = json.get("uuid").toString().replace("\"", "");
policyData.setUuid(uuid);
}
if (json.containsKey("location")){
String msLocation = json.get("location").toString().replace("\"", "");
policyData.setMsLocation(msLocation);
}
if (json.containsKey(CONFIG_NAME)){
String configName = json.get(CONFIG_NAME).toString().replace("\"", "");
policyData.setConfigName(configName);
}
if(json.containsKey("priority")){
String priority = json.get("priority").toString().replace("\"", "");
policyData.setPriority(priority);
}
if(json.containsKey("version")){
String version = json.get("version").toString().replace("\"", "");
policyData.setVersion(version);
}
}
} else if("Fault".equals(parameters.getPolicyConfigType().toString())){
policyData.setConfigPolicyType("ClosedLoop_Fault");
policyData.setApiflag("API");
if(json != null){
policyData.setJsonBody(json.toString());
if (json.get("onapname")!=null){
String onapName = json.get("onapname").toString().replace("\"", "");
policyData.setOnapName(onapName);
}
}
} else if("PM".equals(parameters.getPolicyConfigType().toString())){
policyData.setConfigPolicyType("ClosedLoop_PM");
if(json != null){
policyData.setJsonBody(json.toString());
if (json.get("onapname")!=null){
String onapName = json.get("onapname").toString().replace("\"", "");
policyData.setOnapName(onapName);
}
if (json.get("serviceTypePolicyName")!=null){
String serviceType = json.get("serviceTypePolicyName").toString().replace("\"", "");
LinkedHashMap<String, String> serviceTypePolicyName = new LinkedHashMap<>();
serviceTypePolicyName.put("serviceTypePolicyName", serviceType);
policyData.setServiceTypePolicyName(serviceTypePolicyName);
}
}
} else if("BRMS_Param".equals(parameters.getPolicyConfigType().toString())){
Map<AttributeType, Map<String, String>> drlRuleAndUIParams = parameters.getAttributes();
Map<String, String> rule = drlRuleAndUIParams.get(AttributeType.RULE);
policyData.setRuleName(rule.get("templateName"));
}
}
policyData.setPriority(parameters.getPriority()); //Micro Service
policyData.setConfigName(parameters.getConfigName()); //Base and Firewall
policyData.setRiskType(parameters.getRiskType()); //Safe parameters Attributes
policyData.setRiskLevel(parameters.getRiskLevel());//Safe parameters Attributes
policyData.setGuard(String.valueOf(parameters.getGuard()));//Safe parameters Attributes
policyData.setTtlDate(convertDate(parameters.getTtlDate()));//Safe parameters Attributes
return policyData;
}
private JsonObject stringToJsonObject(String value)
throws JsonException, IllegalStateException {
try{
JsonReader jsonReader = Json.createReader(new StringReader(value));
JsonObject object = jsonReader.readObject();
jsonReader.close();
return object;
} catch(JsonException| IllegalStateException e){
LOGGER.info(XACMLErrorConstants.ERROR_DATA_ISSUE+ "Improper JSON format... may or may not cause issues in validating the policy: " + value, e);
return null;
}
}
private String convertDate(Date date) {
String strDate = null;
if (date!=null) {
SimpleDateFormat dateformatJava = new SimpleDateFormat("dd-MM-yyyy");
strDate = dateformatJava.format(date);
}
return (strDate==null) ? "NA": strDate;
}
}
|
