POLICY-SDK-APP/src/main/java/org/openecomp/policy/controller/DecisionPolicyController.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ECOMP Policy Engine
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.policy.controller;
  22
  23 import java.util.ArrayList;
  24 import java.util.HashMap;
  25 import java.util.Iterator;
  26 import java.util.LinkedList;
  27 import java.util.List;
  28 import java.util.Map;
  29
  30 import javax.xml.bind.JAXBElement;
  31
  32 import org.openecomp.portalsdk.core.controller.RestrictedBaseController;
  33 import org.springframework.stereotype.Controller;
  34 import org.springframework.web.bind.annotation.RequestMapping;
  35
  36 import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
  37 import org.openecomp.policy.common.logging.flexlogger.Logger;
  38 import org.openecomp.policy.rest.adapter.PolicyRestAdapter;
  39 import org.openecomp.policy.rest.jpa.PolicyEntity;
  40
  41 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
  42 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
  43 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ApplyType;
  44 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
  45 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
  46 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ConditionType;
  47 import oasis.names.tc.xacml._3_0.core.schema.wd_17.EffectType;
  48 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
  49 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
  50 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
  51 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
  52 import oasis.names.tc.xacml._3_0.core.schema.wd_17.VariableDefinitionType;
  53 import oasis.names.tc.xacml._3_0.core.schema.wd_17.VariableReferenceType;
  54
  55 @Controller
  56 @RequestMapping("/")
  57 public class DecisionPolicyController extends RestrictedBaseController {
  58         private static final Logger logger = FlexLogger.getLogger(DecisionPolicyController.class);
  59
  60         public DecisionPolicyController(){}
  61
  62         protected PolicyRestAdapter policyAdapter = null;
  63         private ArrayList<Object> attributeList;
  64         private ArrayList<Object> decisionList;
  65         private ArrayList<Object>  ruleAlgorithmList;
  66         protected LinkedList<Integer> ruleAlgoirthmTracker;
  67         public static final String FUNCTION_NOT = "urn:oasis:names:tc:xacml:1.0:function:not";
  68
  69         @SuppressWarnings("unchecked")
  70         public void prePopulateDecisionPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
  71                 attributeList = new ArrayList<Object>();
  72                 decisionList = new ArrayList<Object>();
  73                 ruleAlgorithmList = new ArrayList<Object>();
  74                 if (policyAdapter.getPolicyData() instanceof PolicyType) {
  75                         Object policyData = policyAdapter.getPolicyData();
  76                         PolicyType policy = (PolicyType) policyData;
  77                         policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
  78                         String policyNameValue = policyAdapter.getPolicyName().substring(policyAdapter.getPolicyName().indexOf("_") + 1);
  79                         policyAdapter.setPolicyName(policyNameValue);
  80                         String description = "";
  81                         try{
  82                                 description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
  83                         }catch(Exception e){
  84                                 description = policy.getDescription();
  85                         }
  86                         policyAdapter.setPolicyDescription(description);
  87                         // Get the target data under policy for Action.
  88                         TargetType target = policy.getTarget();
  89                         if (target != null) {
  90                                 // under target we have AnyOFType
  91                                 List<AnyOfType> anyOfList = target.getAnyOf();
  92                                 if (anyOfList != null) {
  93                                         Iterator<AnyOfType> iterAnyOf = anyOfList.iterator();
  94                                         while (iterAnyOf.hasNext()) {
  95                                                 AnyOfType anyOf = iterAnyOf.next();
  96                                                 // Under AntOfType we have AllOfType
  97                                                 List<AllOfType> allOfList = anyOf.getAllOf();
  98                                                 if (allOfList != null) {
  99                                                         Iterator<AllOfType> iterAllOf = allOfList.iterator();
 100                                                         while (iterAllOf.hasNext()) {
 101                                                                 AllOfType allOf = iterAllOf.next();
 102                                                                 // Under AllOfType we have Mathch.
 103                                                                 List<MatchType> matchList = allOf.getMatch();
 104                                                                 int index = 0;
 105                                                                 if (matchList != null) {
 106                                                                         Iterator<MatchType> iterMatch = matchList.iterator();
 107                                                                         while (iterMatch.hasNext()) {
 108                                                                                 MatchType match = iterMatch.next();
 109                                                                                 //
 110                                                                                 // Under the match we have attributevalue and
 111                                                                                 // attributeDesignator. So,finally down to the actual attribute.
 112                                                                                 //
 113                                                                                 AttributeValueType attributeValue = match.getAttributeValue();
 114                                                                                 String value = (String) attributeValue.getContent().get(0);
 115                                                                                 AttributeDesignatorType designator = match.getAttributeDesignator();
 116                                                                                 String attributeId = designator.getAttributeId();
 117                                                                                 // First match in the target is EcompName, so set that value.
 118                                                                                 if (index == 0) {
 119                                                                                         policyAdapter.setEcompName(value);
 120                                                                                 }
 121                                                                                 // Component attributes are saved under Target here we are fetching  them back.
 122                                                                                 // One row is default so we are not adding dynamic componet at index 0.
 123                                                                                 if (index >= 1) {
 124                                                                                         Map<String, String> attribute = new HashMap<String, String>();
 125                                                                                         attribute.put("key", attributeId);
 126                                                                                         attribute.put("value", value);
 127                                                                                         attributeList.add(attribute);
 128                                                                                 }
 129                                                                                 index++;
 130                                                                         }
 131                                                                 }
 132                                                                 policyAdapter.setAttributes(attributeList);
 133                                                         }
 134                                                 }
 135                                         }
 136                                 }
 137
 138                                 List<Object> ruleList = policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition();
 139                                 int index = 0;
 140                                 for (Object object : ruleList) {
 141                                         if (object instanceof VariableDefinitionType) {
 142                                                 VariableDefinitionType variableDefinitionType = (VariableDefinitionType) object;
 143                                                 Map<String, String> settings = new HashMap<String, String>();
 144                                                 settings.put("key", variableDefinitionType.getVariableId());
 145                                                 JAXBElement<AttributeValueType> attributeValueTypeElement = (JAXBElement<AttributeValueType>) variableDefinitionType.getExpression();
 146                                                 if (attributeValueTypeElement != null) {
 147                                                         AttributeValueType attributeValueType = attributeValueTypeElement.getValue();
 148                                                         settings.put("value", attributeValueType.getContent().get(0).toString());
 149                                                 }
 150                                                 decisionList.add(settings);
 151                                         } else if (object instanceof RuleType) {
 152                                                 // get the condition data under the rule for rule Algorithms.
 153                                                 if (((RuleType) object).getEffect().equals(EffectType.PERMIT)) {
 154                                                         ConditionType condition = ((RuleType) object).getCondition();
 155                                                         if (condition != null) {
 156                                                                 ApplyType decisionApply = (ApplyType) condition.getExpression().getValue();
 157                                                                 ruleAlgoirthmTracker = new LinkedList<Integer>();
 158                                                                 // Populating Rule Algorithms starting from compound.
 159                                                                 prePopulateDecisionCompoundRuleAlgorithm(index, decisionApply);
 160                                                                 policyAdapter.setRuleAlgorithmschoices(ruleAlgorithmList);
 161                                                         }
 162                                                 }else if(((RuleType) object).getEffect().equals(EffectType.DENY)) {
 163                                                         if(((RuleType) object).getAdviceExpressions()!=null){
 164                                                                 if(((RuleType) object).getAdviceExpressions().getAdviceExpression().get(0).getAdviceId().toString().equalsIgnoreCase("AAF")){
 165                                                                         policyAdapter.setRuleProvider("AAF");
 166                                                                         break;
 167                                                                 }
 168                                                         }else{
 169                                                                 policyAdapter.setRuleProvider("Custom");
 170                                                         }
 171                                                 }
 172                                         }
 173                                 }
 174                         }
 175                         policyAdapter.setSettings(decisionList);
 176                 }
 177
 178         }
 179
 180         private void prePopulateDecisionRuleAlgorithms(int index, ApplyType decisionApply, List<JAXBElement<?>> jaxbDecisionTypes) {
 181                 Map<String, String> ruleMap = new HashMap<String, String>();
 182                 ruleMap.put("id", "A" + (index +1));
 183                 Map<String, String> dropDownMap = PolicyController.getDropDownMap();
 184                 for (String key : dropDownMap.keySet()) {
 185                         String keyValue = dropDownMap.get(key);
 186                         if (keyValue.equals(decisionApply.getFunctionId())) {
 187                                 ruleMap.put("dynamicRuleAlgorithmCombo", key);
 188                         }
 189                 }
 190                 // Populate the key and value fields
 191                 if (((jaxbDecisionTypes.get(0).getValue()) instanceof AttributeValueType)) {
 192                         ApplyType innerDecisionApply = (ApplyType) jaxbDecisionTypes.get(1).getValue();
 193                         List<JAXBElement<?>> jaxbInnerDecisionTypes = innerDecisionApply.getExpression();
 194                         if (jaxbInnerDecisionTypes.get(0).getValue() instanceof AttributeDesignatorType) {
 195                                 AttributeDesignatorType attributeDesignator = (AttributeDesignatorType) jaxbInnerDecisionTypes.get(0).getValue();
 196                                 ruleMap.put("dynamicRuleAlgorithmField1", attributeDesignator.getAttributeId());
 197
 198                                 // Get from Attribute Value
 199                                 AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbDecisionTypes.get(0).getValue();
 200                                 String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
 201                                 ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
 202                         }
 203                 } else if ((jaxbDecisionTypes.get(0).getValue()) instanceof VariableReferenceType) {
 204                         VariableReferenceType variableReference = (VariableReferenceType) jaxbDecisionTypes.get(0).getValue();
 205                         ruleMap.put("dynamicRuleAlgorithmField1", "S_"+ variableReference.getVariableId());
 206
 207
 208                         // Get from Attribute Value
 209                         AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbDecisionTypes.get(1).getValue();
 210                         String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
 211                         ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
 212                 }
 213                 ruleAlgorithmList.add(ruleMap);
 214         }
 215
 216         private int prePopulateDecisionCompoundRuleAlgorithm(int index, ApplyType decisionApply) {
 217                 boolean isCompoundRule = true;
 218                 List<JAXBElement<?>> jaxbDecisionTypes = decisionApply.getExpression();
 219                 for (JAXBElement<?> jaxbElement : jaxbDecisionTypes) {
 220                         // If There is Attribute Value under Decision Type that means we came to the final child
 221                         if (logger.isDebugEnabled()) {
 222                                 logger.debug("Prepopulating rule algoirthm: " + index);
 223                         }
 224                         // Check to see if Attribute Value exists, if yes then it is not a compound rule
 225                         if(jaxbElement.getValue() instanceof AttributeValueType) {
 226                                 prePopulateDecisionRuleAlgorithms(index, decisionApply, jaxbDecisionTypes);
 227                                 ruleAlgoirthmTracker.addLast(index);
 228                                 isCompoundRule = false;
 229                                 index++;
 230                         }
 231                 }
 232                 if (isCompoundRule) {
 233                         // As it's compound rule, Get the Apply types
 234                         for (JAXBElement<?> jaxbElement : jaxbDecisionTypes) {
 235                                 ApplyType innerDecisionApply = (ApplyType) jaxbElement.getValue();
 236                                 index = prePopulateDecisionCompoundRuleAlgorithm(index, innerDecisionApply);
 237                         }
 238                         // Populate combo box
 239                         if (logger.isDebugEnabled()) {
 240                                 logger.debug("Prepopulating Compound rule algorithm: " + index);
 241                         }
 242                         Map<String, String> rule = new HashMap<String, String>();
 243                         for (String key : PolicyController.getDropDownMap().keySet()) {
 244                                 String keyValue = PolicyController.getDropDownMap().get(key);
 245                                 if (keyValue.equals(decisionApply.getFunctionId())) {
 246                                         rule.put("dynamicRuleAlgorithmCombo", key);
 247                                 }
 248                         }
 249
 250                         rule.put("id", "A" + (index +1));
 251                         // Populate Key and values for Compound Rule
 252                         rule.put("dynamicRuleAlgorithmField1", "A" + (ruleAlgoirthmTracker.getLast() + 1 ));
 253                         ruleAlgoirthmTracker.removeLast();
 254                         rule.put("dynamicRuleAlgorithmField2", "A" + (ruleAlgoirthmTracker.getLast() + 1));
 255                         ruleAlgoirthmTracker.removeLast();
 256                         ruleAlgoirthmTracker.addLast(index);
 257                         ruleAlgorithmList.add(rule);
 258                         index++;
 259                 }
 260                 return index;
 261         }
 262 }