2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2020-2021 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
11 * http://www.apache.org/licenses/LICENSE-2.0
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=========================================================
21 package org.onap.policy.controlloop.actor.xacml;
23 import java.util.Collections;
25 import java.util.concurrent.CompletableFuture;
26 import javax.ws.rs.client.Entity;
27 import javax.ws.rs.core.MediaType;
28 import javax.ws.rs.core.Response;
29 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
30 import org.onap.policy.common.endpoints.utils.NetLoggerUtil.EventType;
31 import org.onap.policy.controlloop.actorserviceprovider.CallbackManager;
32 import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
33 import org.onap.policy.controlloop.actorserviceprovider.OperationResult;
34 import org.onap.policy.controlloop.actorserviceprovider.impl.HttpOperation;
35 import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
36 import org.onap.policy.controlloop.actorserviceprovider.parameters.HttpConfig;
37 import org.onap.policy.models.decisions.concepts.DecisionRequest;
38 import org.onap.policy.models.decisions.concepts.DecisionResponse;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
43 * Guard Operation. The outcome message is set to the guard response. If the guard is
44 * permitted or indeterminate, then the outcome is set to SUCCESS.
46 * The input to the request is taken from the payload, where properties are mapped to the
47 * field names in the {@link DecisionRequest} object. Properties whose names begin with
48 * "resource." are placed into the "resource" field of the {@link DecisionRequest}. The
49 * following will be provided, if not specified in the payload:
57 public class GuardOperation extends HttpOperation<DecisionResponse> {
58 private static final Logger logger = LoggerFactory.getLogger(GuardOperation.class);
61 public static final String NAME = "Guard";
63 public static final String PERMIT = "Permit";
64 public static final String DENY = "Deny";
65 public static final String INDETERMINATE = "Indeterminate";
68 * Prefix for properties in the payload that should be copied to the "resource" field
71 public static final String RESOURCE_PREFIX = "resource.";
73 private final DecisionConfig config;
77 * Constructs the object.
79 * @param params operation parameters
80 * @param config configuration for this operation
82 public GuardOperation(ControlLoopOperationParams params, HttpConfig config) {
83 super(params, config, DecisionResponse.class, Collections.emptyList());
84 this.config = (DecisionConfig) config;
88 public CompletableFuture<OperationOutcome> start() {
89 if (!config.isDisabled()) {
90 // enabled - do full guard operation
94 // guard is disabled, thus it is always treated as a success
95 logger.info("{}: guard disabled, always succeeds for {}", getFullName(), params.getRequestId());
97 final var executor = params.getExecutor();
98 final var callbacks = new CallbackManager();
100 return CompletableFuture.completedFuture(makeOutcome())
101 .whenCompleteAsync(callbackStarted(callbacks), executor)
102 .whenCompleteAsync(callbackCompleted(callbacks), executor);
106 protected CompletableFuture<OperationOutcome> startOperationAsync(int attempt, OperationOutcome outcome) {
107 DecisionRequest request = makeRequest();
109 Map<String, Object> headers = makeHeaders();
111 headers.put("Accept", MediaType.APPLICATION_JSON);
112 String url = getUrl();
114 String strRequest = prettyPrint(request);
115 logMessage(EventType.OUT, CommInfrastructure.REST, url, strRequest);
117 Entity<String> entity = Entity.entity(strRequest, MediaType.APPLICATION_JSON);
120 return handleResponse(outcome, url,
121 callback -> getClient().post(callback, getPath(), entity, headers));
126 * Makes a request from the payload.
128 * @return a new request
130 protected DecisionRequest makeRequest() {
131 if (params.getPayload() == null) {
132 throw new IllegalArgumentException("missing payload");
135 DecisionRequest req = config.makeRequest();
136 req.setRequestId(getSubRequestId());
137 req.setResource(Map.of("guard", params.getPayload()));
143 protected CompletableFuture<OperationOutcome> postProcessResponse(OperationOutcome outcome, String url,
144 Response rawResponse, DecisionResponse response) {
146 outcome.setResponse(response);
148 // determine the result
149 String status = response.getStatus();
150 if (status == null) {
151 outcome.setResult(OperationResult.FAILURE);
152 outcome.setMessage("response contains no status");
153 return CompletableFuture.completedFuture(outcome);
156 if (PERMIT.equalsIgnoreCase(status) || INDETERMINATE.equalsIgnoreCase(status)) {
157 outcome.setResult(OperationResult.SUCCESS);
159 outcome.setResult(OperationResult.FAILURE);
163 outcome.setMessage(response.getStatus());
165 return CompletableFuture.completedFuture(outcome);