diff options
Diffstat (limited to 'applications/common/src/main')
4 files changed, 142 insertions, 9 deletions
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/TestUtils.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/TestUtils.java index fa32516d..50eb50bf 100644 --- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/TestUtils.java +++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/TestUtils.java @@ -22,6 +22,8 @@ package org.onap.policy.pdp.xacml.application.common; +import java.util.ArrayList; +import java.util.List; import java.util.Map; import java.util.Map.Entry; @@ -30,9 +32,12 @@ import org.onap.policy.common.utils.coder.StandardCoder; import org.onap.policy.common.utils.resources.ResourceUtils; import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy; import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; import org.yaml.snakeyaml.Yaml; public class TestUtils { + private static final Logger LOGGER = LoggerFactory.getLogger(TestUtils.class); private static final StandardCoder standardCoder = new StandardCoder(); private TestUtils() { @@ -47,8 +52,15 @@ public class TestUtils { * @throws CoderException exception if it cannot be decoded * @throws XacmlApplicationException If the application cannot load the policy */ - public static void loadPolicies(String resourceFile, XacmlApplicationServiceProvider service) + public static List<ToscaPolicy> loadPolicies(String resourceFile, XacmlApplicationServiceProvider service) throws CoderException, XacmlApplicationException { + // + // Our return object + // + List<ToscaPolicy> loadedPolicies = new ArrayList<>(); + // + // Decode it + // String policyYaml = ResourceUtils.getResourceAsString(resourceFile); Yaml yaml = new Yaml(); Object yamlObject = yaml.load(policyYaml); @@ -58,11 +70,15 @@ public class TestUtils { // Get the policies // for (Map<String, ToscaPolicy> policies : serviceTemplate.getToscaTopologyTemplate().getPolicies()) { - for (Entry<String, ToscaPolicy> entrySet : policies.entrySet()) { - service.loadPolicy(entrySet.getValue()); + for (ToscaPolicy policy : policies.values()) { + if (service.loadPolicy(policy)) { + loadedPolicies.add(policy); + } else { + LOGGER.error("Application failed to load policy"); + } } } - + return loadedPolicies; } } diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlApplicationServiceProvider.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlApplicationServiceProvider.java index c1682fb7..d4cce5c1 100644 --- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlApplicationServiceProvider.java +++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlApplicationServiceProvider.java @@ -83,7 +83,14 @@ public interface XacmlApplicationServiceProvider { * * @param toscaPolicy object */ - void loadPolicy(ToscaPolicy toscaPolicy) throws XacmlApplicationException; + boolean loadPolicy(ToscaPolicy toscaPolicy) throws XacmlApplicationException; + + /** + * unloadPolicy a Tosca Policy. + * + * @param toscaPolicy object + */ + boolean unloadPolicy(ToscaPolicy toscaPolicy) throws XacmlApplicationException; /** * Makes a decision given the incoming request and returns a response. diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlPolicyUtils.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlPolicyUtils.java index 364b6519..2a5f21f0 100644 --- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlPolicyUtils.java +++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlPolicyUtils.java @@ -215,6 +215,50 @@ public class XacmlPolicyUtils { } /** + * Removes a root policy from the Properties object. Both in the line + * that identifies the policy and the .file property that points to the path. + * + * @param properties Input Properties object to remove + * @param rootPolicyPath The policy file path + * @return Properties object + */ + public static Properties removeRootPolicy(Properties properties, Path rootPolicyPath) { + // + // Get the current set of referenced policy ids + // + StringJoiner join = new StringJoiner(","); + boolean found = false; + Set<String> rootPolicies = XACMLProperties.getRootPolicyIDs(properties); + for (String refPolicy : rootPolicies) { + String refPolicyFile = refPolicy + DOT_FILE_SUFFIX; + // + // If the key and value match, then it will return true + // + if (properties.remove(refPolicyFile, rootPolicyPath.toString())) { + // + // Record that we actually removed it + // + found = true; + } else { + // + // Retain it + // + join.add(refPolicy); + } + } + // + // Did we remove it? + // + if (found) { + // + // Now update the list of referenced properties + // + properties.setProperty(XACMLProperties.PROP_ROOTPOLICIES, join.toString()); + } + return properties; + } + + /** * Removes a referenced policy from the Properties object. Both in the line * that identifies the policy and the .file property that points to the path. * 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 index 7f85d2f0..2eddc2e8 100644 --- 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 @@ -37,7 +37,9 @@ import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.Collections; +import java.util.HashMap; import java.util.List; +import java.util.Map; import java.util.Properties; import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType; @@ -60,6 +62,7 @@ public abstract class StdXacmlApplicationServiceProvider implements XacmlApplica private Path pathForData = null; private Properties pdpProperties = null; private PDPEngine pdpEngine = null; + private Map<ToscaPolicy, Path> mapLoadedPolicies = new HashMap<>(); public StdXacmlApplicationServiceProvider() { super(); @@ -115,7 +118,7 @@ public abstract class StdXacmlApplicationServiceProvider implements XacmlApplica @Override public List<ToscaPolicyTypeIdentifier> supportedPolicyTypes() { - return Collections.emptyList(); + throw new UnsupportedOperationException("Please override and implement supportedPolicyTypes"); } @Override @@ -124,7 +127,7 @@ public abstract class StdXacmlApplicationServiceProvider implements XacmlApplica } @Override - public synchronized void loadPolicy(ToscaPolicy toscaPolicy) { + public synchronized boolean loadPolicy(ToscaPolicy toscaPolicy) { try { // // Convert the policies first @@ -166,13 +169,77 @@ public abstract class StdXacmlApplicationServiceProvider implements XacmlApplica // Save the properties // this.pdpProperties = newProperties; + // + // Save in our map + // + this.mapLoadedPolicies.put(toscaPolicy, refPath); } catch (IOException | ToscaPolicyConversionException e) { LOGGER.error("Failed to loadPolicies {}", e); + return false; + } + return true; + } + + @Override + public synchronized boolean unloadPolicy(ToscaPolicy toscaPolicy) throws XacmlApplicationException { + // + // Find it in our map + // + Path refPolicy = this.mapLoadedPolicies.get(toscaPolicy); + if (refPolicy == null) { + LOGGER.error("Failed to find ToscaPolicy {} in our map size {}", toscaPolicy.getMetadata(), + this.mapLoadedPolicies.size()); + return false; + } + // + // Create a copy of the properties object + // + Properties newProperties = this.getProperties(); + // + // Remove it from the properties + // + XacmlPolicyUtils.removeRootPolicy(newProperties, refPolicy); + // + // We can delete the file + // + try { + Files.delete(refPolicy); + } catch (IOException e) { + LOGGER.error("Failed to delete policy {} from disk {}", toscaPolicy.getMetadata(), + refPolicy.toAbsolutePath().toString(), e); } + // + // Write the properties to disk + // + try { + XacmlPolicyUtils.storeXacmlProperties(newProperties, + XacmlPolicyUtils.getPropertiesPath(this.getDataPath())); + } catch (IOException e) { + LOGGER.error("Failed to save the properties to disk {}", newProperties); + } + // + // Reload the engine + // + this.createEngine(newProperties); + // + // Save the properties + // + this.pdpProperties = newProperties; + // + // Save in our map + // + if (this.mapLoadedPolicies.remove(toscaPolicy) == null) { + LOGGER.error("Failed to remove toscaPolicy {} from internal map size {}", toscaPolicy.getMetadata(), + this.mapLoadedPolicies.size()); + } + // + // Not sure if any of the errors above warrant returning false + // + return true; } @Override - public synchronized DecisionResponse makeDecision(DecisionRequest request) { + public DecisionResponse makeDecision(DecisionRequest request) { // // Convert to a XacmlRequest // @@ -251,7 +318,6 @@ public abstract class StdXacmlApplicationServiceProvider implements XacmlApplica 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); |