gerrit.onap Code Review - policy/xacml-pdp.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP
   4  * ================================================================================
   5  * Copyright (C) 2019-2021 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  *
  19  * SPDX-License-Identifier: Apache-2.0
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.policy.xacml.pdp.application.optimization;
  24
  25 import com.att.research.xacml.api.AttributeValue;
  26 import com.att.research.xacml.api.DataType;
  27 import com.att.research.xacml.api.DataTypeException;
  28 import com.att.research.xacml.api.Identifier;
  29 import com.att.research.xacml.api.Request;
  30 import com.att.research.xacml.api.XACML3;
  31 import com.att.research.xacml.std.StdMutableAttribute;
  32 import com.att.research.xacml.std.StdMutableRequest;
  33 import com.att.research.xacml.std.StdMutableRequestAttributes;
  34 import com.att.research.xacml.std.annotations.XACMLSubject;
  35 import java.util.ArrayList;
  36 import java.util.Arrays;
  37 import java.util.Collection;
  38 import java.util.List;
  39 import java.util.Map;
  40 import java.util.Map.Entry;
  41 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  42 import org.onap.policy.pdp.xacml.application.common.ToscaDictionary;
  43 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
  44 import org.onap.policy.pdp.xacml.application.common.std.StdMatchablePolicyRequest;
  45
  46 public class OptimizationSubscriberRequest extends StdMatchablePolicyRequest {
  47
  48     @XACMLSubject(attributeId = "urn:org:onap:optimization:subscriber:name", includeInResults = true)
  49     private List<String> subscriberRoles;
  50
  51     /**
  52      * Create an instance of xacml request.
  53      *
  54      * @param decisionRequest Incoming DecisionRequest object
  55      * @return XACML request
  56      * @throws XacmlApplicationException XacmlApplicationException
  57      */
  58     @SuppressWarnings({"rawtypes", "unchecked"})
  59     public static Request createInstance(DecisionRequest decisionRequest) throws XacmlApplicationException {
  60         var request = StdMatchablePolicyRequest.createInstance(decisionRequest);
  61
  62         //
  63         // Add in the context attributes
  64         //
  65         var mutableRequest = new StdMutableRequest(request);
  66         var contextAttributes = new StdMutableRequestAttributes();
  67         contextAttributes.setCategory(XACML3.ID_SUBJECT_CATEGORY_ACCESS_SUBJECT);
  68         //
  69         // Add the context attributes
  70         //
  71         Map<String, Object> contexts = decisionRequest.getContext();
  72         for (Entry<String, Object> entrySet : contexts.entrySet()) {
  73             try {
  74                 //
  75                 // Should always be a collection, but in case someone changes
  76                 // the class without checking this repo.
  77                 //
  78                 if (entrySet.getValue() instanceof Collection) {
  79                     addSubject(contextAttributes, (Collection) entrySet.getValue(),
  80                             ToscaDictionary.ID_SUBJECT_OPTIMIZATION_SUBSCRIBER_NAME);
  81                 } else {
  82                     addSubject(contextAttributes, Arrays.asList(entrySet.getValue().toString()),
  83                             ToscaDictionary.ID_SUBJECT_OPTIMIZATION_SUBSCRIBER_NAME);
  84                 }
  85             } catch (DataTypeException e) {
  86                 throw new XacmlApplicationException("Failed to add resource ", e);
  87             }
  88         }
  89         mutableRequest.add(contextAttributes);
  90         return mutableRequest;
  91     }
  92
  93     protected static StdMutableRequestAttributes addSubject(StdMutableRequestAttributes attributes,
  94             Collection<Object> values, Identifier id) throws DataTypeException {
  95
  96         var factory = getDataTypeFactory();
  97         if (factory == null) {
  98             return null;
  99         }
 100         for (Object value : values) {
 101             var mutableAttribute    = new StdMutableAttribute();
 102             mutableAttribute.setCategory(XACML3.ID_SUBJECT_CATEGORY_ACCESS_SUBJECT);
 103             mutableAttribute.setAttributeId(id);
 104             mutableAttribute.setIncludeInResults(true);
 105
 106             DataType<?> dataTypeExtended    = factory.getDataType(XACML3.ID_DATATYPE_STRING);
 107             AttributeValue<?> attributeValue = dataTypeExtended.createAttributeValue(value);
 108             Collection<AttributeValue<?>> attributeValues = new ArrayList<>();
 109             attributeValues.add(attributeValue);
 110             mutableAttribute.setValues(attributeValues);
 111
 112             attributes.add(mutableAttribute);
 113         }
 114         return attributes;
 115     }
 116 }