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-rw-r--r--applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslator.java (renamed from applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverter.java)31
-rw-r--r--applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtils.java (renamed from applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverterUtils.java)4
-rw-r--r--applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdCombinedPolicyRequest.java84
-rw-r--r--applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdCombinedPolicyResultsTranslator.java373
-rw-r--r--applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdMetadataTranslator.java110
-rw-r--r--applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProvider.java211
6 files changed, 805 insertions, 8 deletions
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverter.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslator.java
index 8852eb08..f5f77d24 100644
--- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverter.java
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslator.java
@@ -25,7 +25,6 @@ package org.onap.policy.pdp.xacml.application.common;
import com.att.research.xacml.api.Request;
import com.att.research.xacml.api.Response;
-import java.io.InputStream;
import java.util.List;
import java.util.Map;
@@ -34,13 +33,33 @@ import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
import org.onap.policy.models.decisions.concepts.DecisionRequest;
import org.onap.policy.models.decisions.concepts.DecisionResponse;
-public interface ToscaPolicyConverter {
+public interface ToscaPolicyTranslator {
- List<PolicyType> convertPolicies(InputStream isToscaPolicy) throws ToscaPolicyConversionException;
-
- List<PolicyType> convertPolicies(Map<String, Object> toscaObject) throws ToscaPolicyConversionException;
+ /**
+ * Implement this method to translate policies.
+ *
+ * @param toscaObject Incoming Tosca Policies object
+ * @return List of translated policies
+ * @throws ToscaPolicyConversionException Exception
+ */
+ List<PolicyType> scanAndConvertPolicies(Map<String, Object> toscaObject) throws ToscaPolicyConversionException;
+ /**
+ * Implement this method to convert an ONAP DecisionRequest into
+ * a Xacml request.
+ *
+ * @param request Incoming DecisionRequest
+ * @return Xacml Request object
+ */
Request convertRequest(DecisionRequest request);
- DecisionResponse convertResponse(Response response);
+ /**
+ * Implement this method to convert a Xacml Response
+ * into a ONAP DecisionResponse.
+ *
+ * @param xacmlResponse Input Xacml Response
+ * @return DecisionResponse object
+ */
+ DecisionResponse convertResponse(Response xacmlResponse);
+
}
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverterUtils.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtils.java
index cd197935..cdf5404b 100644
--- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverterUtils.java
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtils.java
@@ -35,9 +35,9 @@ import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
* @author pameladragosh
*
*/
-public final class ToscaPolicyConverterUtils {
+public final class ToscaPolicyTranslatorUtils {
- private ToscaPolicyConverterUtils() {
+ private ToscaPolicyTranslatorUtils() {
super();
}
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdCombinedPolicyRequest.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdCombinedPolicyRequest.java
new file mode 100644
index 00000000..3914ba60
--- /dev/null
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdCombinedPolicyRequest.java
@@ -0,0 +1,84 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pdp.xacml.application.common.std;
+
+import com.att.research.xacml.std.annotations.XACMLAction;
+import com.att.research.xacml.std.annotations.XACMLRequest;
+import com.att.research.xacml.std.annotations.XACMLResource;
+import com.att.research.xacml.std.annotations.XACMLSubject;
+
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.onap.policy.models.decisions.concepts.DecisionRequest;
+
+@XACMLRequest(ReturnPolicyIdList = true)
+public class StdCombinedPolicyRequest {
+
+ public StdCombinedPolicyRequest() {
+ super();
+ }
+
+ @XACMLSubject(includeInResults = true)
+ String onapName = "DCAE";
+
+ @XACMLResource(includeInResults = true)
+ String resource = "onap.policies.Monitoring";
+
+ @XACMLAction()
+ String action = "configure";
+
+
+ /**
+ * Parses the DecisionRequest into a MonitoringRequest.
+ *
+ * @param decisionRequest Input DecisionRequest
+ * @return MonitoringRequest
+ */
+ public static StdCombinedPolicyRequest createInstance(DecisionRequest decisionRequest) {
+ StdCombinedPolicyRequest request = new StdCombinedPolicyRequest();
+ request.onapName = decisionRequest.getOnapName();
+ request.action = decisionRequest.getAction();
+
+ Map<String, Object> resources = decisionRequest.getResource();
+ for (Entry<String, Object> entry : resources.entrySet()) {
+ if ("policy-id".equals(entry.getKey())) {
+ //
+ // TODO handle lists of policies
+ //
+ request.resource = entry.getValue().toString();
+ continue;
+ }
+ if ("policy-type".equals(entry.getKey())) {
+ //
+ // TODO handle lists of policies
+ //
+ request.resource = entry.getValue().toString();
+ }
+ }
+ //
+ // TODO handle a bad incoming request. Do that here?
+ //
+ return request;
+ }
+}
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdCombinedPolicyResultsTranslator.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdCombinedPolicyResultsTranslator.java
new file mode 100644
index 00000000..b39c2e60
--- /dev/null
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdCombinedPolicyResultsTranslator.java
@@ -0,0 +1,373 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pdp.xacml.application.common.std;
+
+import com.att.research.xacml.api.AttributeAssignment;
+import com.att.research.xacml.api.DataTypeException;
+import com.att.research.xacml.api.Decision;
+import com.att.research.xacml.api.Obligation;
+import com.att.research.xacml.api.Request;
+import com.att.research.xacml.api.Response;
+import com.att.research.xacml.api.Result;
+import com.att.research.xacml.api.XACML3;
+import com.att.research.xacml.std.annotations.RequestParser;
+import com.att.research.xacml.util.XACMLPolicyWriter;
+import com.google.gson.Gson;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+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.AttributeValueType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.EffectType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObjectFactory;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObligationExpressionType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObligationExpressionsType;
+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.json.JSONObject;
+import org.onap.policy.models.decisions.concepts.DecisionRequest;
+import org.onap.policy.models.decisions.concepts.DecisionResponse;
+import org.onap.policy.pdp.xacml.application.common.ToscaDictionary;
+import org.onap.policy.pdp.xacml.application.common.ToscaPolicyConversionException;
+import org.onap.policy.pdp.xacml.application.common.ToscaPolicyTranslator;
+import org.onap.policy.pdp.xacml.application.common.ToscaPolicyTranslatorUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class StdCombinedPolicyResultsTranslator implements ToscaPolicyTranslator {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(StdCombinedPolicyResultsTranslator.class);
+
+ public StdCombinedPolicyResultsTranslator() {
+ super();
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public List<PolicyType> scanAndConvertPolicies(Map<String, Object> toscaObject)
+ throws ToscaPolicyConversionException {
+ //
+ // Our return object
+ //
+ List<PolicyType> scannedPolicies = new ArrayList<>();
+ //
+ // Iterate each of the Policies
+ //
+ List<Object> policies = (List<Object>) toscaObject.get("policies");
+ for (Object policyObject : policies) {
+ //
+ // Get the contents
+ //
+ LOGGER.debug("Found policy {}", policyObject.getClass());
+ Map<String, Object> policyContents = (Map<String, Object>) policyObject;
+ for (Entry<String, Object> entrySet : policyContents.entrySet()) {
+ LOGGER.debug("Entry set {}", entrySet);
+ //
+ // Convert this policy
+ //
+ PolicyType policy = this.convertPolicy(entrySet);
+ try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
+ XACMLPolicyWriter.writePolicyFile(os, policy);
+ LOGGER.debug("{}", os);
+ } catch (IOException e) {
+ LOGGER.error("Failed to convert {}", e);
+ }
+ //
+ // Convert and add in the new policy
+ //
+ scannedPolicies.add(policy);
+ }
+ }
+
+ return scannedPolicies;
+ }
+
+ @Override
+ public Request convertRequest(DecisionRequest request) {
+ LOGGER.debug("Converting Request {}", request);
+ try {
+ return RequestParser.parseRequest(StdCombinedPolicyRequest.createInstance(request));
+ } catch (IllegalArgumentException | IllegalAccessException | DataTypeException e) {
+ LOGGER.error("Failed to convert DecisionRequest: {}", e);
+ }
+ //
+ // TODO throw exception
+ //
+ return null;
+ }
+
+ @Override
+ public DecisionResponse convertResponse(Response xacmlResponse) {
+ LOGGER.debug("Converting Response {}", xacmlResponse);
+ DecisionResponse decisionResponse = new DecisionResponse();
+ //
+ // Iterate through all the results
+ //
+ for (Result xacmlResult : xacmlResponse.getResults()) {
+ //
+ // Check the result
+ //
+ if (xacmlResult.getDecision() == Decision.PERMIT) {
+ //
+ // Setup policies
+ //
+ decisionResponse.setPolicies(new ArrayList<>());
+ //
+ // Go through obligations
+ //
+ for (Obligation obligation : xacmlResult.getObligations()) {
+ LOGGER.debug("Obligation: {}", obligation);
+ for (AttributeAssignment assignment : obligation.getAttributeAssignments()) {
+ LOGGER.debug("Attribute Assignment: {}", assignment);
+ //
+ // We care about the content attribute
+ //
+ if (ToscaDictionary.ID_OBLIGATION_POLICY_MONITORING_CONTENTS
+ .equals(assignment.getAttributeId())) {
+ //
+ // The contents are in Json form
+ //
+ Object stringContents = assignment.getAttributeValue().getValue();
+ if (LOGGER.isDebugEnabled()) {
+ LOGGER.debug("DCAE contents: {}{}", System.lineSeparator(), stringContents);
+ }
+ //
+ // Let's parse it into a map using Gson
+ //
+ Gson gson = new Gson();
+ @SuppressWarnings("unchecked")
+ Map<String, Object> result = gson.fromJson(stringContents.toString() ,Map.class);
+ decisionResponse.getPolicies().add(result);
+ }
+ }
+ }
+ } else {
+ decisionResponse.setErrorMessage("A better error message");
+ }
+ }
+
+ return decisionResponse;
+ }
+
+ @SuppressWarnings("unchecked")
+ protected PolicyType convertPolicy(Entry<String, Object> entrySet) throws ToscaPolicyConversionException {
+ //
+ // Policy name should be at the root
+ //
+ String policyName = entrySet.getKey();
+ Map<String, Object> policyDefinition = (Map<String, Object>) entrySet.getValue();
+ //
+ // Set it as the policy ID
+ //
+ PolicyType newPolicyType = new PolicyType();
+ newPolicyType.setPolicyId(policyName);
+ //
+ // Optional description
+ //
+ if (policyDefinition.containsKey("description")) {
+ newPolicyType.setDescription(policyDefinition.get("description").toString());
+ }
+ //
+ // There should be a metadata section
+ //
+ if (! policyDefinition.containsKey("metadata")) {
+ throw new ToscaPolicyConversionException(policyName + " missing metadata section");
+ }
+ this.fillMetadataSection(newPolicyType,
+ (Map<String, Object>) policyDefinition.get("metadata"));
+ //
+ // Set the combining rule
+ //
+ newPolicyType.setRuleCombiningAlgId(XACML3.ID_RULE_FIRST_APPLICABLE.stringValue());
+ //
+ // Generate the TargetType
+ //
+ //
+ // There should be a metadata section
+ //
+ if (! policyDefinition.containsKey("type")) {
+ throw new ToscaPolicyConversionException(policyName + " missing type value");
+ }
+ if (! policyDefinition.containsKey("version")) {
+ throw new ToscaPolicyConversionException(policyName + " missing version value");
+ }
+ TargetType target = this.generateTargetType(policyName,
+ policyDefinition.get("type").toString(),
+ policyDefinition.get("version").toString());
+ newPolicyType.setTarget(target);
+ //
+ // Now create the Permit Rule
+ // No target since the policy has a target
+ // With obligations.
+ //
+ RuleType rule = new RuleType();
+ rule.setDescription("Default is to PERMIT if the policy matches.");
+ rule.setRuleId(policyName + ":rule");
+ rule.setEffect(EffectType.PERMIT);
+ rule.setTarget(new TargetType());
+ //
+ // Now represent the policy as Json
+ //
+ JSONObject jsonObligation = new JSONObject();
+ jsonObligation.put(policyName, policyDefinition);
+ addObligation(rule, jsonObligation);
+ //
+ // Add the rule to the policy
+ //
+ newPolicyType.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().add(rule);
+ //
+ // Return our new policy
+ //
+ return newPolicyType;
+ }
+
+ /**
+ * From the TOSCA metadata section, pull in values that are needed into the XACML policy.
+ *
+ * @param policy Policy Object to store the metadata
+ * @param metadata The Metadata TOSCA Map
+ * @return Same Policy Object
+ * @throws ToscaPolicyConversionException If there is something missing from the metadata
+ */
+ protected PolicyType fillMetadataSection(PolicyType policy,
+ Map<String, Object> metadata) throws ToscaPolicyConversionException {
+ if (! metadata.containsKey("policy-id")) {
+ throw new ToscaPolicyConversionException(policy.getPolicyId() + " missing metadata policy-id");
+ } else {
+ //
+ // Do nothing here - the XACML PolicyId is used from TOSCA Policy Name field
+ //
+ }
+ if (! metadata.containsKey("policy-version")) {
+ throw new ToscaPolicyConversionException(policy.getPolicyId() + " missing metadata policy-version");
+ } else {
+ //
+ // Add in the Policy Version
+ //
+ policy.setVersion(metadata.get("policy-version").toString());
+ }
+ return policy;
+ }
+
+ protected TargetType generateTargetType(String policyId, String policyType, String policyTypeVersion) {
+ //
+ // Create all the match's that are possible
+ //
+ // This is for the Policy Id
+ //
+ MatchType matchPolicyId = ToscaPolicyTranslatorUtils.buildMatchTypeDesignator(
+ XACML3.ID_FUNCTION_STRING_EQUAL,
+ policyId,
+ XACML3.ID_DATATYPE_STRING,
+ ToscaDictionary.ID_RESOURCE_POLICY_ID,
+ XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE);
+ //
+ // This is for the Policy Type
+ //
+ MatchType matchPolicyType = ToscaPolicyTranslatorUtils.buildMatchTypeDesignator(
+ XACML3.ID_FUNCTION_STRING_EQUAL,
+ policyType,
+ XACML3.ID_DATATYPE_STRING,
+ ToscaDictionary.ID_RESOURCE_POLICY_TYPE,
+ XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE);
+ //
+ // This is for the Policy Type version
+ //
+ MatchType matchPolicyTypeVersion = ToscaPolicyTranslatorUtils.buildMatchTypeDesignator(
+ XACML3.ID_FUNCTION_STRING_EQUAL,
+ policyTypeVersion,
+ XACML3.ID_DATATYPE_STRING,
+ ToscaDictionary.ID_RESOURCE_POLICY_TYPE_VERSION,
+ XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE);
+ //
+ // This is our outer AnyOf - which is an OR
+ //
+ AnyOfType anyOf = new AnyOfType();
+ //
+ // Create AllOf (AND) of just Policy Id
+ //
+ anyOf.getAllOf().add(ToscaPolicyTranslatorUtils.buildAllOf(matchPolicyId));
+ //
+ // Create AllOf (AND) of just Policy Type
+ //
+ anyOf.getAllOf().add(ToscaPolicyTranslatorUtils.buildAllOf(matchPolicyType));
+ //
+ // Create AllOf (AND) of Policy Type and Policy Type Version
+ //
+ anyOf.getAllOf().add(ToscaPolicyTranslatorUtils.buildAllOf(matchPolicyType, matchPolicyTypeVersion));
+ //
+ // Now we can create the TargetType, add the top-level anyOf (OR),
+ // and return the value.
+ //
+ TargetType target = new TargetType();
+ target.getAnyOf().add(anyOf);
+ return target;
+ }
+
+ protected RuleType addObligation(RuleType rule, JSONObject jsonPolicy) {
+ //
+ // Convert the YAML Policy to JSON Object
+ //
+ if (LOGGER.isDebugEnabled()) {
+ LOGGER.debug("JSON DCAE Policy {}{}", System.lineSeparator(), jsonPolicy);
+ }
+ //
+ // Create an AttributeValue for it
+ //
+ AttributeValueType value = new AttributeValueType();
+ value.setDataType(ToscaDictionary.ID_OBLIGATION_POLICY_MONITORING_DATATYPE.stringValue());
+ value.getContent().add(jsonPolicy.toString());
+ //
+ // Create our AttributeAssignmentExpression where we will
+ // store the contents of the policy in JSON format.
+ //
+ AttributeAssignmentExpressionType expressionType = new AttributeAssignmentExpressionType();
+ expressionType.setAttributeId(ToscaDictionary.ID_OBLIGATION_POLICY_MONITORING_CONTENTS.stringValue());
+ ObjectFactory factory = new ObjectFactory();
+ expressionType.setExpression(factory.createAttributeValue(value));
+ //
+ // Create an ObligationExpression for it
+ //
+ ObligationExpressionType obligation = new ObligationExpressionType();
+ obligation.setFulfillOn(EffectType.PERMIT);
+ obligation.setObligationId(ToscaDictionary.ID_OBLIGATION_REST_BODY.stringValue());
+ obligation.getAttributeAssignmentExpression().add(expressionType);
+ //
+ // Now we can add it into the rule
+ //
+ ObligationExpressionsType obligations = new ObligationExpressionsType();
+ obligations.getObligationExpression().add(obligation);
+ rule.setObligationExpressions(obligations);
+ return rule;
+ }
+
+}
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdMetadataTranslator.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdMetadataTranslator.java
new file mode 100644
index 00000000..11651f4f
--- /dev/null
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdMetadataTranslator.java
@@ -0,0 +1,110 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pdp.xacml.application.common.std;
+
+import com.att.research.xacml.api.Request;
+import com.att.research.xacml.api.Response;
+import com.att.research.xacml.util.XACMLPolicyWriter;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
+
+import org.onap.policy.models.decisions.concepts.DecisionRequest;
+import org.onap.policy.models.decisions.concepts.DecisionResponse;
+import org.onap.policy.pdp.xacml.application.common.ToscaPolicyConversionException;
+import org.onap.policy.pdp.xacml.application.common.ToscaPolicyTranslator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class StdMetadataTranslator implements ToscaPolicyTranslator {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(StdMetadataTranslator.class);
+
+ public StdMetadataTranslator() {
+ super();
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public List<PolicyType> scanAndConvertPolicies(Map<String, Object> toscaObject)
+ throws ToscaPolicyConversionException {
+ //
+ // Our return object
+ //
+ List<PolicyType> scannedPolicies = new ArrayList<>();
+ //
+ // Iterate each of the Policies
+ //
+ List<Object> policies = (List<Object>) toscaObject.get("policies");
+ for (Object policyObject : policies) {
+ //
+ // Get the contents
+ //
+ LOGGER.debug("Found policy {}", policyObject.getClass());
+ Map<String, Object> policyContents = (Map<String, Object>) policyObject;
+ for (Entry<String, Object> entrySet : policyContents.entrySet()) {
+ LOGGER.debug("Entry set {}", entrySet);
+ //
+ // Convert this policy
+ //
+ PolicyType policy = this.convertPolicy(entrySet);
+ try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
+ XACMLPolicyWriter.writePolicyFile(os, policy);
+ LOGGER.debug("{}", os);
+ } catch (IOException e) {
+ LOGGER.error("Failed to convert {}", e);
+ }
+ //
+ // Convert and add in the new policy
+ //
+ scannedPolicies.add(policy);
+ }
+ }
+
+ return scannedPolicies;
+ }
+
+ @Override
+ public Request convertRequest(DecisionRequest request) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ @Override
+ public DecisionResponse convertResponse(Response xacmlResponse) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ private PolicyType convertPolicy(Entry<String, Object> entrySet) throws ToscaPolicyConversionException {
+
+ return null;
+ }
+
+}
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProvider.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProvider.java
new file mode 100644
index 00000000..826acbc3
--- /dev/null
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProvider.java
@@ -0,0 +1,211 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pdp.xacml.application.common.std;
+
+import com.att.research.xacml.api.Request;
+import com.att.research.xacml.api.Response;
+import com.att.research.xacml.api.pdp.PDPEngine;
+import com.att.research.xacml.api.pdp.PDPEngineFactory;
+import com.att.research.xacml.api.pdp.PDPException;
+import com.att.research.xacml.util.FactoryException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+
+import org.onap.policy.models.decisions.concepts.DecisionRequest;
+import org.onap.policy.models.decisions.concepts.DecisionResponse;
+import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
+import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class StdXacmlApplicationServiceProvider implements XacmlApplicationServiceProvider {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(StdXacmlApplicationServiceProvider.class);
+ private Path pathForData = null;
+ private Properties pdpProperties = null;
+ private PDPEngine pdpEngine = null;
+
+ public StdXacmlApplicationServiceProvider() {
+ super();
+ }
+
+ @Override
+ public String applicationName() {
+ return "Please Override";
+ }
+
+ @Override
+ public List<String> actionDecisionsSupported() {
+ return Collections.emptyList();
+ }
+
+ @Override
+ public void initialize(Path pathForData) {
+ //
+ // Save our path
+ //
+ this.pathForData = pathForData;
+ LOGGER.debug("New Path is {}", this.pathForData.toAbsolutePath());
+ //
+ // Look for and load the properties object
+ //
+ try {
+ pdpProperties = XacmlPolicyUtils.loadXacmlProperties(XacmlPolicyUtils.getPropertiesPath(pathForData));
+ LOGGER.debug("{}", pdpProperties);
+ } catch (IOException e) {
+ LOGGER.error("{}", e);
+ }
+ //
+ // Create an engine
+ //
+ createEngine(pdpProperties);
+ }
+
+ @Override
+ public List<String> supportedPolicyTypes() {
+ return Collections.emptyList();
+ }
+
+ @Override
+ public boolean canSupportPolicyType(String policyType, String policyTypeVersion) {
+ return false;
+ }
+
+ @Override
+ public void loadPolicies(Map<String, Object> toscaPolicies) {
+ throw new UnsupportedOperationException("Please override and implement loadPolicies");
+ }
+
+ @Override
+ public DecisionResponse makeDecision(DecisionRequest request) {
+ //
+ // We should have a standard error response to return
+ //
+ return null;
+ }
+
+ protected synchronized PDPEngine getEngine() {
+ return this.pdpEngine;
+ }
+
+ protected synchronized Properties getProperties() {
+ return new Properties(pdpProperties);
+ }
+
+ protected synchronized Path getDataPath() {
+ return pathForData;
+ }
+
+ /**
+ * Load properties from given file.
+ *
+ * @throws IOException If unable to read file
+ */
+ protected synchronized Properties loadXacmlProperties() throws IOException {
+ LOGGER.debug("Loading xacml properties {}", pathForData);
+ try (InputStream is = Files.newInputStream(pathForData)) {
+ Properties properties = new Properties();
+ properties.load(is);
+ return properties;
+ }
+ }
+
+ /**
+ * Stores the XACML Properties to the given file location.
+ *
+ * @throws IOException If unable to store the file.
+ */
+ protected synchronized void storeXacmlProperties() throws IOException {
+ try (OutputStream os = Files.newOutputStream(pathForData)) {
+ String strComments = "#";
+ pdpProperties.store(os, strComments);
+ }
+ }
+
+ /**
+ * Appends 'xacml.properties' to a root Path object
+ *
+ * @return Path to rootPath/xacml.properties file
+ */
+ protected synchronized Path getPropertiesPath() {
+ return Paths.get(pathForData.toAbsolutePath().toString(), "xacml.properties");
+ }
+
+ /**
+ * Creates an instance of PDP engine given the Properties object.
+ */
+ protected synchronized void createEngine(Properties properties) {
+ //
+ // Now initialize the XACML PDP Engine
+ //
+ try {
+ PDPEngineFactory factory = PDPEngineFactory.newInstance();
+ PDPEngine engine = factory.newEngine(properties);
+ if (engine != null) {
+ this.pdpEngine = engine;
+ this.pdpProperties = new Properties(properties);
+ }
+ } catch (FactoryException e) {
+ LOGGER.error("Failed to create XACML PDP Engine {}", e);
+ }
+ }
+
+ /**
+ * Make a decision call.
+ *
+ * @param request Incoming request object
+ * @return Response object
+ */
+ protected synchronized Response xacmlDecision(Request request) {
+ //
+ // This is what we need to return
+ //
+ Response response = null;
+ //
+ // Track some timing
+ //
+ long timeStart = System.currentTimeMillis();
+ try {
+ response = this.pdpEngine.decide(request);
+ } catch (PDPException e) {
+ LOGGER.error("Xacml PDP Engine failed {}", e);
+ } finally {
+ //
+ // Track the end of timing
+ //
+ long timeEnd = System.currentTimeMillis();
+ LOGGER.info("Elapsed Time: {}ms", (timeEnd - timeStart));
+ }
+ return response;
+ }
+
+}