* ============LICENSE_START=======================================================
* ONAP Policy Engine
* ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ * Modifications Copyright (C) 2019 Bell Canada
* ================================================================================
* 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.
package org.onap.policy.controller;
-import java.io.PrintWriter;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Objects;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
+import java.util.stream.Collectors;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.bind.JAXBElement;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionsType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
+
+import org.apache.commons.collections.CollectionUtils;
import org.json.JSONObject;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.rest.dao.CommonClassDao;
import org.onap.policy.rest.jpa.BRMSParamTemplate;
import org.onap.policy.rest.jpa.PolicyEntity;
+import org.onap.policy.utils.PolicyUtils;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import org.onap.portalsdk.core.controller.RestrictedBaseController;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
-
-import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionsType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
+import org.springframework.web.bind.annotation.RequestMethod;
@Controller
@RequestMapping("/")
public class CreateBRMSParamController extends RestrictedBaseController {
- private static final Logger policyLogger = FlexLogger.getLogger(CreateBRMSParamController.class);
-
- private static CommonClassDao commonClassDao;
-
- public static CommonClassDao getCommonClassDao() {
- return commonClassDao;
- }
-
- public static void setCommonClassDao(CommonClassDao commonClassDao) {
- CreateBRMSParamController.commonClassDao = commonClassDao;
- }
-
- @Autowired
- private CreateBRMSParamController(CommonClassDao commonClassDao){
- CreateBRMSParamController.commonClassDao = commonClassDao;
- }
-
- public CreateBRMSParamController(){
- // Empty constructor
- }
- protected PolicyRestAdapter policyAdapter = null;
-
- private HashMap<String, String> dynamicLayoutMap;
-
- private static String brmsTemplateVlaue = "<$%BRMSParamTemplate=";
- private static String string = "String";
-
-
- @RequestMapping(value={"/policyController/getBRMSTemplateData.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
- public void getBRMSParamPolicyRuleData(HttpServletRequest request, HttpServletResponse response){
- try{
- dynamicLayoutMap = new HashMap<>();
- ObjectMapper mapper = new ObjectMapper();
- mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
- JsonNode root = mapper.readTree(request.getReader());
- String rule = findRule(root.get(PolicyController.getPolicydata()).toString().replaceAll("^\"|\"$", ""));
- generateUI(rule);
- response.setCharacterEncoding(PolicyController.getCharacterencoding());
- response.setContentType(PolicyController.getContenttype());
- request.setCharacterEncoding(PolicyController.getCharacterencoding());
-
- PrintWriter out = response.getWriter();
- String responseString = mapper.writeValueAsString(dynamicLayoutMap);
- JSONObject j = new JSONObject("{policyData: " + responseString + "}");
- out.write(j.toString());
- }catch(Exception e){
- policyLogger.error("Exception Occured while getting BRMS Rule data" , e);
- }
- }
-
- protected String findRule(String ruleTemplate) {
- List<Object> datas = commonClassDao.getDataById(BRMSParamTemplate.class, "ruleName", ruleTemplate);
- if(datas != null && !datas.isEmpty()){
- BRMSParamTemplate bRMSParamTemplate = (BRMSParamTemplate) datas.get(0);
- return bRMSParamTemplate.getRule();
- }
- return null;
- }
-
- protected void generateUI(String rule) {
- if(rule!=null){
- try {
- StringBuilder params = new StringBuilder("");
- Boolean flag = false;
- Boolean comment = false;
- String[] lines = rule.split("\n");
- for(String line : lines){
- if (line.isEmpty() || line.startsWith("//")) {
- continue;
- }
- if (line.startsWith("/*")) {
- comment = true;
- continue;
- }
- if (line.contains("//")) {
- line = line.split("\\/\\/")[0];
- }
- if (line.contains("/*")) {
- comment = true;
- if (line.contains("*/")) {
- try {
- comment = false;
- line = line.split("\\/\\*")[0]
- + line.split("\\*\\/")[1].replace("*/", "");
- } catch (Exception e) {
- policyLogger.info("Just for Logging"+e);
- line = line.split("\\/\\*")[0];
- }
- } else {
- line = line.split("\\/\\*")[0];
- }
- }
- if (line.contains("*/")) {
- comment = false;
- try {
- line = line.split("\\*\\/")[1].replace("*/", "");
- } catch (Exception e) {
- policyLogger.info("Just for Logging"+e);
- line = "";
- }
- }
- if (comment) {
- continue;
- }
- if (flag) {
- params.append(line);
- }
- if (line.contains("declare PapParams")) {
- params.append(line);
- flag = true;
- }
- if (line.contains("end") && flag) {
- break;
- }
- }
- params = new StringBuilder(params.toString().replace("declare PapParams", "").replace("end", "").replaceAll("\\s+", ""));
- String[] components = params.toString().split(":");
- String caption = "";
- for (int i = 0; i < components.length; i++) {
- String type;
- if (i == 0) {
- caption = components[i];
- }
- if("".equals(caption)){
- break;
- }
- String nextComponent = "";
- try {
- nextComponent = components[i + 1];
- } catch (Exception e) {
- policyLogger.info("Just for Logging"+e);
- nextComponent = components[i];
- }
- if (nextComponent.startsWith(string)) {
- type = "String";
- createField(caption, type);
- caption = nextComponent.replace(string, "");
- } else if (nextComponent.startsWith("int")) {
- type = "int";
- createField(caption, type);
- caption = nextComponent.replace("int", "");
- }
- }
- } catch (Exception e) {
- policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
- }
- }
- }
-
- private void createField(String caption, String type) {
- dynamicLayoutMap.put(caption, type);
- }
-
- /*
- * When the User Click Edit or View Policy the following method will get invoked for setting the data to PolicyRestAdapter.
- * Which is used to bind the data in GUI
- */
- public void prePopulateBRMSParamPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
- dynamicLayoutMap = new HashMap<>();
- if (policyAdapter.getPolicyData() instanceof PolicyType) {
- PolicyType policy = (PolicyType) policyAdapter.getPolicyData();
- policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
- // policy name value is the policy name without any prefix and
- // Extensions.
- String policyNameValue = policyAdapter.getPolicyName().substring(policyAdapter.getPolicyName().indexOf("BRMS_Param_") + 11);
- if (policyLogger.isDebugEnabled()) {
- policyLogger.debug("Prepopulating form data for BRMS RAW Policy selected:" + policyAdapter.getPolicyName());
- }
- policyAdapter.setPolicyName(policyNameValue);
- String description = "";
- try{
- description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
- }catch(Exception e){
- policyLogger.info("Just for Logging"+e);
- description = policy.getDescription();
- }
- policyAdapter.setPolicyDescription(description);
- setDataAdapterFromAdviceExpressions(policy, policyAdapter);
- paramUIGenerate(policyAdapter, entity);
- // Get the target data under policy.
- policyAdapter.setDynamicLayoutMap(dynamicLayoutMap);
- if(policyAdapter.getDynamicLayoutMap().size() > 0){
- LinkedHashMap<String,String> drlRule = new LinkedHashMap<>();
- for(Object keyValue: policyAdapter.getDynamicLayoutMap().keySet()){
- drlRule.put(keyValue.toString(), policyAdapter.getDynamicLayoutMap().get(keyValue));
- }
- policyAdapter.setRuleData(drlRule);
- }
- TargetType target = policy.getTarget();
- if (target != null) {
- setDataToAdapterFromTarget(target, policyAdapter);
- }
- }
- }
-
- private void setDataAdapterFromAdviceExpressions(PolicyType policy, PolicyRestAdapter policyAdapter){
- ArrayList<Object> attributeList = new ArrayList<>();
- // Set Attributes.
- AdviceExpressionsType expressionTypes = ((RuleType)policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().get(0)).getAdviceExpressions();
- for( AdviceExpressionType adviceExpression: expressionTypes.getAdviceExpression()){
- for(AttributeAssignmentExpressionType attributeAssignment: adviceExpression.getAttributeAssignmentExpression()){
- if(attributeAssignment.getAttributeId().startsWith("key:")){
- Map<String, String> attribute = new HashMap<>();
- String key = attributeAssignment.getAttributeId().replace("key:", "");
- attribute.put("key", key);
- @SuppressWarnings("unchecked")
- JAXBElement<AttributeValueType> attributevalue = (JAXBElement<AttributeValueType>) attributeAssignment.getExpression();
- String value = (String) attributevalue.getValue().getContent().get(0);
- attribute.put("value", value);
- attributeList.add(attribute);
- }else if(attributeAssignment.getAttributeId().startsWith("dependencies:")){
- ArrayList<String> dependencies = new ArrayList<>(Arrays.asList(attributeAssignment.getAttributeId().replace("dependencies:", "").split(",")));
- if(dependencies.contains("")){
- dependencies.remove("");
- }
- policyAdapter.setBrmsDependency(dependencies);
- }else if(attributeAssignment.getAttributeId().startsWith("controller:")){
- policyAdapter.setBrmsController(attributeAssignment.getAttributeId().replace("controller:", ""));
- }
- }
- policyAdapter.setAttributes(attributeList);
- }
- }
-
- private void setDataToAdapterFromTarget(TargetType target, PolicyRestAdapter policyAdapter){
- // Under target we have AnyOFType
- List<AnyOfType> anyOfList = target.getAnyOf();
- if (anyOfList != null) {
- Iterator<AnyOfType> iterAnyOf = anyOfList.iterator();
- while (iterAnyOf.hasNext()) {
- AnyOfType anyOf = iterAnyOf.next();
- // Under AnyOFType we have AllOFType
- List<AllOfType> allOfList = anyOf.getAllOf();
- if (allOfList != null) {
- Iterator<AllOfType> iterAllOf = allOfList.iterator();
- while (iterAllOf.hasNext()) {
- AllOfType allOf = iterAllOf.next();
- // Under AllOFType we have Match
- List<MatchType> matchList = allOf.getMatch();
- if (matchList != null) {
- setDataToAdapterFromMatchList(matchList, policyAdapter);
- }
- }
- }
- }
- }
- }
-
- private void setDataToAdapterFromMatchList(List<MatchType> matchList, PolicyRestAdapter policyAdapter){
- Iterator<MatchType> iterMatch = matchList.iterator();
- while (iterMatch.hasNext()) {
- MatchType match = iterMatch.next();
- //
- // Under the match we have attribute value and
- // attributeDesignator. So,finally down to the actual attribute.
- //
- AttributeValueType attributeValue = match.getAttributeValue();
- String value = (String) attributeValue.getContent().get(0);
- AttributeDesignatorType designator = match.getAttributeDesignator();
- String attributeId = designator.getAttributeId();
-
- if ("RiskType".equals(attributeId)){
- policyAdapter.setRiskType(value);
- }
- if ("RiskLevel".equals(attributeId)){
- policyAdapter.setRiskLevel(value);
- }
- if ("guard".equals(attributeId)){
- policyAdapter.setGuard(value);
- }
- if ("TTLDate".equals(attributeId) && !value.contains("NA")){
- PolicyController controller = new PolicyController();
- String newDate = controller.convertDate(value);
- policyAdapter.setTtlDate(newDate);
- }
- }
- }
-
- // This method generates the UI from rule configuration
- public void paramUIGenerate(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
- String data = entity.getConfigurationData().getConfigBody();
- if(data != null){
- try {
- StringBuilder params = new StringBuilder("");
- Boolean flag = false;
- Boolean comment = false;
- for (String line : data.split("\n")) {
- if (line.isEmpty() || line.startsWith("//")) {
- continue;
- }
- if(line.contains(brmsTemplateVlaue)){
- String value = line.substring(line.indexOf("<$%"),line.indexOf("%$>"));
- value = value.replace(brmsTemplateVlaue, "");
- policyAdapter.setRuleName(value);
- }
- if (line.startsWith("/*")) {
- comment = true;
- continue;
- }
- if ((line.contains("//"))&&(!(line.contains("http://") || line.contains("https://")))){
- line = line.split("\\/\\/")[0];
- }
- if (line.contains("/*")) {
- comment = true;
- if (line.contains("*/")) {
- try {
- comment = false;
- line = line.split("\\/\\*")[0]
- + line.split("\\*\\/")[1].replace(
- "*/", "");
- } catch (Exception e) {
- policyLogger.info("Just for Logging"+e);
- line = line.split("\\/\\*")[0];
- }
- } else {
- line = line.split("\\/\\*")[0];
- }
- }
- if (line.contains("*/")) {
- comment = false;
- try {
- line = line.split("\\*\\/")[1]
- .replace("*/", "");
- } catch (Exception e) {
- policyLogger.info("Just for Logging"+e);
- line = "";
- }
- }
- if (comment) {
- continue;
- }
- if (flag) {
- params.append(line);
- }
- if (line.contains("rule") && line.contains(".PapParams\"")) {
- params.append(line);
- flag = true;
- }
- if (line.contains("end") && flag) {
- break;
- }
- }
- params = new StringBuilder(params.substring(params.indexOf(".PapParams\"")+ 11));
- params = new StringBuilder(params.toString().replaceAll("\\s+", "").replace("salience1000whenthenPapParamsparams=newPapParams();","")
- .replace("insert(params);end", "")
- .replace("params.set", ""));
- String[] components = params.toString().split("\\);");
- if(components!= null && components.length > 0){
- for (int i = 0; i < components.length; i++) {
- String value;
- components[i] = components[i]+")";
- String caption = components[i].substring(0,
- components[i].indexOf('('));
- caption = caption.substring(0, 1).toLowerCase() + caption.substring(1);
- if (components[i].contains("(\"")) {
- value = components[i]
- .substring(components[i].indexOf("(\""),
- components[i].indexOf("\")"))
- .replace("(\"", "").replace("\")", "");
- } else {
- value = components[i]
- .substring(components[i].indexOf('('),
- components[i].indexOf(')'))
- .replace("(", "").replace(")", "");
- }
- dynamicLayoutMap.put(caption, value);
-
- }
- }
- } catch (Exception e) {
- policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e.getMessage() + e);
- }
- }
-
- }
-
- // set View Rule
- @SuppressWarnings("unchecked")
- @RequestMapping(value={"/policyController/ViewBRMSParamPolicyRule.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
- public void setViewRule(HttpServletRequest request, HttpServletResponse response){
- try {
- ObjectMapper mapper = new ObjectMapper();
- mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
- JsonNode root = mapper.readTree(request.getReader());
- PolicyRestAdapter policyData = mapper.readValue(root.get(PolicyController.getPolicydata()).get("policy").toString(), PolicyRestAdapter.class);
- policyData.setDomainDir(root.get(PolicyController.getPolicydata()).get("model").get("name").toString().replace("\"", ""));
- if(root.get(PolicyController.getPolicydata()).get("model").get("type").toString().replace("\"", "").equals(PolicyController.getFile())){
- policyData.setEditPolicy(true);
- }
-
- String body;
-
- body = "/* Autogenerated Code Please Don't change/remove this comment section. This is for the UI purpose. \n\t " +
- brmsTemplateVlaue + policyData.getRuleName() + "%$> \n */ \n";
- body = body + findRule((String) policyData.getRuleName()) + "\n";
- StringBuilder generatedRule = new StringBuilder();
- generatedRule.append("rule \""+ policyData.getDomainDir().replace("\\", ".") +".Config_BRMS_Param_" + policyData.getPolicyName()+".PapParams\" \n\tsalience 1000 \n\twhen\n\tthen\n\t\tPapParams params = new PapParams();");
-
- if(policyData.getRuleData().size() > 0){
- for(Object keyValue: policyData.getRuleData().keySet()){
- String key = keyValue.toString().substring(0, 1).toUpperCase() + keyValue.toString().substring(1);
- if (string.equals(keyValue)) {
- generatedRule.append("\n\t\tparams.set"
- + key + "(\""
- + policyData.getRuleData().get(keyValue).toString() + "\");");
- } else {
- generatedRule.append("\n\t\tparams.set"
- + key + "("
- + policyData.getRuleData().get(keyValue).toString() + ");");
- }
- }
- }
- generatedRule.append("\n\t\tinsert(params);\nend");
- policyLogger.info("New rule generated with :" + generatedRule.toString());
- body = body + generatedRule.toString();
- // Expand the body.
- Map<String,String> copyMap=new HashMap<>();
- copyMap.putAll((Map<? extends String, ? extends String>) policyData.getRuleData());
- copyMap.put("policyName", policyData.getDomainDir().replace("\\", ".") +".Config_BRMS_Param_" + policyData.getPolicyName());
- copyMap.put("policyScope", policyData.getDomainDir().replace("\\", "."));
- copyMap.put("policyVersion", "1");
- //Finding all the keys in the Map data-structure.
- Set<String> keySet= copyMap.keySet();
- Iterator<String> iterator = keySet.iterator();
- Pattern p;
- Matcher m;
- while(iterator.hasNext()) {
- //Converting the first character of the key into a lower case.
- String input= iterator.next();
- String output = Character.toLowerCase(input.charAt(0)) +
- (input.length() > 1 ? input.substring(1) : "");
- //Searching for a pattern in the String using the key.
- p=Pattern.compile("\\$\\{"+output+"\\}");
- m=p.matcher(body);
- //Replacing the value with the inputs provided by the user in the editor.
- body=m.replaceAll(copyMap.get(input));
- }
- response.setCharacterEncoding("UTF-8");
- response.setContentType("application / json");
- request.setCharacterEncoding("UTF-8");
-
- PrintWriter out = response.getWriter();
- String responseString = mapper.writeValueAsString(body);
- JSONObject j = new JSONObject("{policyData: " + responseString + "}");
- out.write(j.toString());
- } catch (Exception e) {
- policyLogger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
- }
- }
+
+ private static final Logger policyLogger = FlexLogger.getLogger(CreateBRMSParamController.class);
+
+ private static CommonClassDao commonClassDao;
+
+ public static CommonClassDao getCommonClassDao() {
+ return commonClassDao;
+ }
+
+ public static void setCommonClassDao(CommonClassDao commonClassDao) {
+ CreateBRMSParamController.commonClassDao = commonClassDao;
+ }
+
+ @Autowired
+ private CreateBRMSParamController(CommonClassDao commonClassDao) {
+ CreateBRMSParamController.commonClassDao = commonClassDao;
+ }
+
+ public CreateBRMSParamController() {
+ // Empty constructor
+ }
+
+ protected PolicyRestAdapter policyAdapter = null;
+
+ private HashMap<String, String> dynamicLayoutMap;
+
+ private static String brmsTemplateVlaue = "<$%BRMSParamTemplate=";
+ private static String string = "String";
+
+ /**
+ * getBRMSParamPolicyRuleData.
+ *
+ * @param request HttpServletRequest
+ * @param response HttpServletResponse
+ */
+ @RequestMapping(value = {"/policyController/getBRMSTemplateData.htm"}, method = {RequestMethod.POST})
+ public void getBRMSParamPolicyRuleData(HttpServletRequest request, HttpServletResponse response) {
+ try {
+ dynamicLayoutMap = new HashMap<>();
+ ObjectMapper mapper = new ObjectMapper();
+ mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+ JsonNode root = mapper.readTree(request.getReader());
+ String rule = findRule(root.get(PolicyController.getPolicydata()).toString().replaceAll("^\"|\"$", ""));
+ generateUI(rule);
+ response.setCharacterEncoding(PolicyController.getCharacterencoding());
+ response.setContentType(PolicyController.getContenttype());
+ request.setCharacterEncoding(PolicyController.getCharacterencoding());
+
+ response.getWriter().write(new JSONObject("{policyData: " + mapper.writeValueAsString(dynamicLayoutMap)
+ + "}").toString());
+ } catch (Exception e) {
+ policyLogger.error("Exception Occured while getting BRMS Rule data", e);
+ }
+ }
+
+ private String findRule(String ruleTemplate) {
+ List<Object> datas = commonClassDao.getDataById(BRMSParamTemplate.class, "ruleName", ruleTemplate);
+ if (CollectionUtils.isNotEmpty(datas)) {
+ return ((BRMSParamTemplate) datas.get(0)).getRule();
+ }
+ return null;
+ }
+
+ private void generateUI(String rule) {
+ if (rule == null) {
+ return;
+ }
+ try {
+ processRule(rule);
+ } catch (Exception e) {
+ policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
+ }
+
+ }
+
+ private void processRule(String rule) {
+ StringBuilder params = getParamsBuilderFromRule(rule);
+ params = new StringBuilder(
+ params.toString().replace("declare Params", "").replace("end", "").replaceAll("\\s+", ""));
+ String[] components = params.toString().split(":");
+ String caption = "";
+ for (int i = 0; i < components.length; i++) {
+ String type;
+ if (i == 0) {
+ caption = components[i];
+ }
+ if ("".equals(caption)) {
+ break;
+ }
+ String nextComponent;
+ try {
+ nextComponent = components[i + 1];
+ } catch (Exception e) {
+ policyLogger.info("Error when procesing rule: " + e);
+ nextComponent = components[i];
+ }
+ if (nextComponent.startsWith(string)) {
+ type = "String";
+ createField(caption, type);
+ caption = nextComponent.replace(string, "");
+ } else if (nextComponent.startsWith("int")) {
+ type = "int";
+ createField(caption, type);
+ caption = nextComponent.replace("int", "");
+ }
+ }
+ }
+
+ private StringBuilder getParamsBuilderFromRule(final String rule) {
+ StringBuilder params = new StringBuilder();
+ boolean flag = false;
+ boolean comment = false;
+ String[] lines = rule.split("\n");
+ for (String line : lines) {
+ if (line.isEmpty() || line.startsWith("//")) {
+ continue;
+ }
+ if (line.startsWith("/*")) {
+ comment = true;
+ continue;
+ }
+ if (line.contains("//")) {
+ line = splitSingleLineComment(line);
+ }
+ if (line.contains("/*")) {
+ comment = true;
+ if (line.contains("*/")) {
+ comment = false;
+ line = processMultiLineFullComment(line);
+ } else {
+ line = splitMultiLineStartComment(line);
+ }
+ }
+ if (line.contains("*/")) {
+ comment = false;
+ line = processEndComment(line);
+ }
+ if (comment) {
+ continue;
+ }
+ if (flag) {
+ params.append(line);
+ }
+ if (line.contains("declare Params")) {
+ params.append(line);
+ flag = true;
+ }
+ if (line.contains("end") && flag) {
+ break;
+ }
+ }
+ return params;
+ }
+
+ private String splitMultiLineStartComment(String line) {
+ return line.split("\\/\\*")[0];
+ }
+
+ private String splitMultiLineEndComment(String line) {
+ return line.split("\\*\\/")[1].replace("*/", "");
+ }
+
+ private String splitSingleLineComment(String line) {
+ return line.split("\\/\\/")[0];
+ }
+
+ private void createField(String caption, String type) {
+ dynamicLayoutMap.put(caption, type);
+ }
+
+ /**
+ * prePopulateBRMSParamPolicyData.
+ * When the User Click Edit or View Policy the following method will get invoked for setting the data to
+ * PolicyRestAdapter.
+ * Which is used to bind the data in GUI.
+ *
+ * @param policyAdapter PolicyRestAdapter
+ * @param entity PolicyEntity
+ */
+ public void prePopulateBRMSParamPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
+ dynamicLayoutMap = new HashMap<>();
+ if (! (policyAdapter.getPolicyData() instanceof PolicyType)) {
+ return;
+ }
+ PolicyType policy = (PolicyType) policyAdapter.getPolicyData();
+ policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
+ // policy name value is the policy name without any prefix and
+ // Extensions.
+ String policyNameValue =
+ policyAdapter.getPolicyName().substring(policyAdapter.getPolicyName().indexOf("BRMS_Param_") + 11);
+ if (policyLogger.isDebugEnabled()) {
+ policyLogger
+ .debug("Prepopulating form data for BRMS RAW Policy selected:" + policyAdapter.getPolicyName());
+ }
+ policyAdapter.setPolicyName(policyNameValue);
+ String description;
+ try {
+ description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
+ } catch (Exception e) {
+ policyLogger.info("Error getting description: " + e);
+ description = policy.getDescription();
+ }
+ policyAdapter.setPolicyDescription(description);
+ setDataAdapterFromAdviceExpressions(policy, policyAdapter);
+
+ // Generate Param UI
+ try {
+ paramUiGenerate(policyAdapter, entity);
+ } catch (Exception e) {
+ policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e.getMessage() + e);
+ }
+
+ // Get the target data under policy.
+ policyAdapter.setDynamicLayoutMap(dynamicLayoutMap);
+ if (policyAdapter.getDynamicLayoutMap().size() > 0) {
+ LinkedHashMap<String, String> drlRule = policyAdapter.getDynamicLayoutMap().keySet().stream()
+ .collect(Collectors.toMap(String::toString,
+ keyValue -> policyAdapter.getDynamicLayoutMap().get(keyValue), (a, b) -> b,
+ LinkedHashMap::new));
+ policyAdapter.setRuleData(drlRule);
+ }
+ TargetType target = policy.getTarget();
+ if (target != null) {
+ setDataToAdapterFromTarget(target, policyAdapter);
+ }
+ }
+
+ private void setDataAdapterFromAdviceExpressions(PolicyType policy, PolicyRestAdapter policyAdapter) {
+ ArrayList<Object> attributeList = new ArrayList<>();
+ // Set Attributes.
+ AdviceExpressionsType expressionTypes =
+ ((RuleType) policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().get(0))
+ .getAdviceExpressions();
+ for (AdviceExpressionType adviceExpression : expressionTypes.getAdviceExpression()) {
+ for (AttributeAssignmentExpressionType attributeAssignment : adviceExpression
+ .getAttributeAssignmentExpression()) {
+ if (attributeAssignment.getAttributeId().startsWith("key:")) {
+ Map<String, String> attribute = new HashMap<>();
+ String key = attributeAssignment.getAttributeId().replace("key:", "");
+ attribute.put("key", key);
+ @SuppressWarnings("unchecked")
+ JAXBElement<AttributeValueType> attributeValue =
+ (JAXBElement<AttributeValueType>) attributeAssignment.getExpression();
+ String value = (String) attributeValue.getValue().getContent().get(0);
+ attribute.put("value", value);
+ attributeList.add(attribute);
+ } else if (attributeAssignment.getAttributeId().startsWith("dependencies:")) {
+ ArrayList<String> dependencies = new ArrayList<>(Arrays
+ .asList(attributeAssignment.getAttributeId().replace("dependencies:", "").split(",")));
+ dependencies.remove("");
+ policyAdapter.setBrmsDependency(dependencies);
+ } else if (attributeAssignment.getAttributeId().startsWith("controller:")) {
+ policyAdapter.setBrmsController(attributeAssignment.getAttributeId().replace("controller:", ""));
+ }
+ }
+ policyAdapter.setAttributes(attributeList);
+ }
+ }
+
+ private void setDataToAdapterFromTarget(TargetType target, PolicyRestAdapter policyAdapter) {
+ // Under target we have AnyOFType
+ if (target.getAnyOf() == null) {
+ return;
+ }
+ target.getAnyOf().stream().map(AnyOfType::getAllOf).filter(Objects::nonNull).flatMap(Collection::stream)
+ .forEach(allOf -> setDataToAdapterFromMatchList(allOf.getMatch(), policyAdapter));
+ }
+
+ private void setDataToAdapterFromMatchList(List<MatchType> matchList, PolicyRestAdapter policyAdapter) {
+ if (matchList == null) {
+ return;
+ }
+ for (final MatchType match : matchList) {
+ //
+ // Under the match we have attribute value and
+ // attributeDesignator. So,finally down to the actual attribute.
+ //
+ AttributeValueType attributeValue = match.getAttributeValue();
+ String value = (String) attributeValue.getContent().get(0);
+ AttributeDesignatorType designator = match.getAttributeDesignator();
+ String attributeId = designator.getAttributeId();
+ policyAdapter.setupUsingAttribute(attributeId, value);
+ }
+ }
+
+ // This method generates the UI from rule configuration
+ private void paramUiGenerate(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
+ String data = entity.getConfigurationData().getConfigBody();
+ if (data == null) {
+ return;
+ }
+ StringBuilder params = new StringBuilder();
+ boolean flag = false;
+ boolean comment = false;
+ for (String line : data.split("\n")) {
+ if (line.isEmpty() || line.startsWith("//")) {
+ continue;
+ }
+ if (line.contains(brmsTemplateVlaue)) {
+ String value = line.substring(line.indexOf("<$%"), line.indexOf("%$>"));
+ value = value.replace(brmsTemplateVlaue, "");
+ policyAdapter.setRuleName(value);
+ }
+ if (line.contains("<%$Values=")) {
+ String value = line.substring(line.indexOf("<%$"), line.indexOf("$%>"));
+ value = value.replaceAll("<%\\$Values=", "");
+ Arrays.stream(value.split(":\\|:")).map(keyValue -> keyValue.split(":-:"))
+ .filter(pair -> pair.length > 0)
+ .forEach(pair -> dynamicLayoutMap.put(pair[0], (pair.length > 1) ? pair[1] : ""));
+ return;
+ }
+ if (line.startsWith("/*")) {
+ comment = true;
+ continue;
+ }
+ if ((line.contains("//")) && (!(line.contains("http://") || line.contains("https://")))) {
+ line = splitSingleLineComment(line);
+ }
+ if (line.contains("/*")) {
+ comment = true;
+ if (line.contains("*/")) {
+ comment = false;
+ line = processMultiLineFullComment(line);
+ } else {
+ line = splitMultiLineStartComment(line);
+ }
+ }
+ if (line.contains("*/")) {
+ comment = false;
+ line = processEndComment(line);
+ }
+ if (comment) {
+ continue;
+ }
+ if (flag) {
+ params.append(line);
+ }
+ if (line.contains("rule") && line.contains(".Params\"")) {
+ params.append(line);
+ flag = true;
+ }
+ if (line.contains("end") && flag) {
+ break;
+ }
+ }
+ params = new StringBuilder(params.substring(params.indexOf(".Params\"") + 11));
+ params = new StringBuilder(
+ params.toString().replaceAll("\\s+", "").replace("salience1000whenthenParamsparams=newParams();", "")
+ .replace("insert(params);end", "").replace("params.set", ""));
+ updateCaptionToDynamicLayoutMap(params);
+ }
+
+ private void updateCaptionToDynamicLayoutMap(final StringBuilder params) {
+ String[] components = params.toString().split("\\);");
+ if (components.length > 0) {
+ for (int i = 0; i < components.length; i++) {
+ String value;
+ components[i] = components[i] + ")";
+ String caption = components[i].substring(0, components[i].indexOf('('));
+ caption = caption.substring(0, 1).toLowerCase() + caption.substring(1);
+ if (components[i].contains("(\"")) {
+ value = components[i].substring(components[i].indexOf("(\""), components[i].indexOf("\")"))
+ .replace("(\"", "").replace("\")", "");
+ } else {
+ value = components[i].substring(components[i].indexOf('('), components[i].indexOf(')'))
+ .replace("(", "").replace(")", "");
+ }
+ dynamicLayoutMap.put(caption, value);
+ }
+ }
+ }
+
+ private String processEndComment(String line) {
+ try {
+ line = splitMultiLineEndComment(line);
+ } catch (Exception e) {
+ policyLogger.info("Just for Logging" + e);
+ line = "";
+ }
+ return line;
+ }
+
+ private String processMultiLineFullComment(String line) {
+ try {
+ line = splitMultiLineStartComment(line) + splitMultiLineEndComment(line);
+ } catch (Exception e) {
+ policyLogger.info("Just for Logging" + e);
+ line = splitMultiLineStartComment(line);
+ }
+ return line;
+ }
+
+ /**
+ * setViewRule.
+ *
+ * @param request HttpServletRequest
+ * @param response HttpServletResponse
+ */
+ @SuppressWarnings("unchecked")
+ @RequestMapping(value = {"/policyController/ViewBRMSParamPolicyRule.htm"}, method = {RequestMethod.POST})
+ public void setViewRule(HttpServletRequest request, HttpServletResponse response) {
+ try {
+ ObjectMapper mapper = new ObjectMapper();
+ mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+ JsonNode root = mapper.readTree(request.getReader());
+ PolicyRestAdapter policyData = mapper.readValue(
+ root.get(PolicyController.getPolicydata()).get("policy").toString(), PolicyRestAdapter.class);
+ policyData.setDomainDir(
+ root.get(PolicyController.getPolicydata()).get("model").get("name").toString().replace("\"", ""));
+ if (root.get(PolicyController.getPolicydata()).get("model").get("type").toString().replace("\"", "")
+ .equals(PolicyController.getFile())) {
+ policyData.setEditPolicy(true);
+ }
+
+ String body = findRule(policyData.getRuleName()) + "\n";
+ StringBuilder generatedMetadata = new StringBuilder().append(
+ "/* Autogenerated Code Please Don't change/remove this comment section. "
+ + "This is for the UI purpose. \n\t ")
+ .append(brmsTemplateVlaue).append(policyData.getRuleName()).append("%$> \n */ \n");
+
+ if (policyData.getDynamicLayoutMap().size() > 0) {
+ generatedMetadata.append("/* <%$Values=");
+ for (Entry<?, ?> entry : policyData.getRuleData().entrySet()) {
+ String uiKey = (String) entry.getKey();
+ if (!"templateName".equals(uiKey)) {
+ generatedMetadata.append(uiKey).append(":-:").append(entry.getValue()).append(":|:");
+ }
+ }
+ generatedMetadata.append("$%> \n*/ \n");
+ }
+ policyLogger.info("Metadata generated with :" + generatedMetadata.toString());
+ body = generatedMetadata.toString() + body;
+ // Expand the body.
+ Map<String, String> copyMap =
+ new HashMap<>((Map<? extends String, ? extends String>) policyData.getRuleData());
+ copyMap.put("policyName",
+ policyData.getDomainDir().replace("\\", ".") + ".Config_BRMS_Param_" + policyData.getPolicyName());
+ copyMap.put("policyScope", policyData.getDomainDir().replace("\\", "."));
+ copyMap.put("policyVersion", "1");
+ // Finding all the keys in the Map data-structure.
+ Set<String> keySet = copyMap.keySet();
+ Iterator<String> iterator = keySet.iterator();
+ while (iterator.hasNext()) {
+ // Converting the first character of the key into a lower case.
+ String input = iterator.next();
+ String output = Character.toLowerCase(input.charAt(0)) + (input.length() > 1 ? input.substring(1) : "");
+ // Searching for a pattern in the String using the key.
+ Pattern pattern = Pattern.compile("\\$\\{" + output + "\\}");
+ Matcher matcher = pattern.matcher(body);
+ // Replacing the value with the inputs provided by the user in the editor.
+ body = matcher.replaceAll(copyMap.get(input));
+ }
+ response.setCharacterEncoding(PolicyUtils.CHARACTER_ENCODING);
+ response.setContentType(PolicyUtils.APPLICATION_JSON);
+ request.setCharacterEncoding(PolicyUtils.CHARACTER_ENCODING);
+
+ response.getWriter().write(new JSONObject("{policyData: " + mapper.writeValueAsString(body)
+ + "}").toString());
+ } catch (Exception e) {
+ policyLogger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
+ }
+ }
}