applications/optimization/src/main/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationSubscriberRequest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP
   4  * ================================================================================
   5  * Copyright (C) 2019 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.DataTypeFactory;
  29 import com.att.research.xacml.api.Identifier;
  30 import com.att.research.xacml.api.Request;
  31 import com.att.research.xacml.api.XACML3;
  32 import com.att.research.xacml.std.StdMutableAttribute;
  33 import com.att.research.xacml.std.StdMutableRequest;
  34 import com.att.research.xacml.std.StdMutableRequestAttributes;
  35 import com.att.research.xacml.std.annotations.XACMLSubject;
  36 import java.util.ArrayList;
  37 import java.util.Arrays;
  38 import java.util.Collection;
  39 import java.util.List;
  40 import java.util.Map;
  41 import java.util.Map.Entry;
  42 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  43 import org.onap.policy.pdp.xacml.application.common.ToscaDictionary;
  44 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
  45 import org.onap.policy.pdp.xacml.application.common.std.StdMatchablePolicyRequest;
  46
  47 public class OptimizationSubscriberRequest extends StdMatchablePolicyRequest {
  48
  49     @XACMLSubject(attributeId = "urn:org:onap:optimization:subscriber:name", includeInResults = true)
  50     List<String> subscriberRoles;
  51
  52     /**
  53      * Create an instance of xacml request.
  54      *
  55      * @param decisionRequest Incoming DecisionRequest object
  56      * @return XACML request
  57      * @throws XacmlApplicationException XacmlApplicationException
  58      */
  59     @SuppressWarnings({"rawtypes", "unchecked"})
  60     public static Request createInstance(DecisionRequest decisionRequest) throws XacmlApplicationException {
  61         Request request = StdMatchablePolicyRequest.createInstance(decisionRequest);
  62
  63         //
  64         // Add in the context attributes
  65         //
  66         StdMutableRequest mutableRequest = new StdMutableRequest(request);
  67         StdMutableRequestAttributes contextAttributes = new StdMutableRequestAttributes();
  68         contextAttributes.setCategory(XACML3.ID_SUBJECT_CATEGORY_ACCESS_SUBJECT);
  69         //
  70         // Add the context attributes
  71         //
  72         Map<String, Object> contexts = decisionRequest.getContext();
  73         for (Entry<String, Object> entrySet : contexts.entrySet()) {
  74             try {
  75                 if (entrySet.getValue() instanceof Collection) {
  76                     addSubject(contextAttributes, (Collection) entrySet.getValue(),
  77                             ToscaDictionary.ID_SUBJECT_OPTIMIZATION_SUBSCRIBER_NAME);
  78                 } else {
  79                     addSubject(contextAttributes, Arrays.asList(entrySet.getValue().toString()),
  80                             ToscaDictionary.ID_SUBJECT_OPTIMIZATION_SUBSCRIBER_NAME);
  81                 }
  82             } catch (DataTypeException e) {
  83                 throw new XacmlApplicationException("Failed to add resource ", e);
  84             }
  85         }
  86         mutableRequest.add(contextAttributes);
  87         return mutableRequest;
  88     }
  89
  90     protected static StdMutableRequestAttributes addSubject(StdMutableRequestAttributes attributes,
  91             Collection<Object> values, Identifier id) throws DataTypeException {
  92
  93         DataTypeFactory factory = getDataTypeFactory();
  94         if (factory == null) {
  95             return null;
  96         }
  97         for (Object value : values) {
  98             StdMutableAttribute mutableAttribute    = new StdMutableAttribute();
  99             mutableAttribute.setCategory(XACML3.ID_SUBJECT_CATEGORY_ACCESS_SUBJECT);
 100             mutableAttribute.setAttributeId(id);
 101             mutableAttribute.setIncludeInResults(true);
 102
 103             DataType<?> dataTypeExtended    = factory.getDataType(XACML3.ID_DATATYPE_STRING);
 104             AttributeValue<?> attributeValue = dataTypeExtended.createAttributeValue(value);
 105             Collection<AttributeValue<?>> attributeValues = new ArrayList<>();
 106             attributeValues.add(attributeValue);
 107             mutableAttribute.setValues(attributeValues);
 108
 109             attributes.add(mutableAttribute);
 110         }
 111         return attributes;
 112     }
 113 }