diff options
Diffstat (limited to 'applications/common')
8 files changed, 810 insertions, 13 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; + } + +} diff --git a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverterUtilsTest.java b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtilsTest.java index cc1787c3..6fdb8772 100644 --- a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverterUtilsTest.java +++ b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtilsTest.java @@ -29,12 +29,12 @@ import java.lang.reflect.Modifier; import org.junit.Test; -public class ToscaPolicyConverterUtilsTest { +public class ToscaPolicyTranslatorUtilsTest { @Test public void test() throws NoSuchMethodException, SecurityException { - final Constructor<ToscaPolicyConverterUtils> constructor - = ToscaPolicyConverterUtils.class.getDeclaredConstructor(); + final Constructor<ToscaPolicyTranslatorUtils> constructor + = ToscaPolicyTranslatorUtils.class.getDeclaredConstructor(); assertTrue(Modifier.isPrivate(constructor.getModifiers())); } diff --git a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/XacmlPolicyUtilsTest.java b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/XacmlPolicyUtilsTest.java index 57800d9e..fe0f675d 100644 --- a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/XacmlPolicyUtilsTest.java +++ b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/XacmlPolicyUtilsTest.java @@ -162,7 +162,7 @@ public class XacmlPolicyUtilsTest { // // Create The Match // - MatchType matchPolicyId = ToscaPolicyConverterUtils.buildMatchTypeDesignator( + MatchType matchPolicyId = ToscaPolicyTranslatorUtils.buildMatchTypeDesignator( XACML3.ID_FUNCTION_STRING_EQUAL, resource, XACML3.ID_DATATYPE_STRING, @@ -175,7 +175,7 @@ public class XacmlPolicyUtilsTest { // // Create AllOf (AND) of just Policy Id // - anyOf.getAllOf().add(ToscaPolicyConverterUtils.buildAllOf(matchPolicyId)); + anyOf.getAllOf().add(ToscaPolicyTranslatorUtils.buildAllOf(matchPolicyId)); TargetType target = new TargetType(); target.getAnyOf().add(anyOf); policy.setTarget(target); |