Tie XACML REST Decision

Ties the decision API to the applications. Adds a static
application manager class to manager the applications.

Added applicationPath as a parameter to be supported in
the Json parameter group.

Issue-ID: POLICY-1440
Change-Id: I43cb44b3e308aadcf258fd987f3b53944c2edb72
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

5 files changed, 235 insertions, 16 deletions

diff --git a/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterGroup.java b/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterGroup.java
index 48606c98..2bf6fd81 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterGroup.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterGroup.java
@@ -25,7 +25,13 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
+import java.io.File;
+import java.io.IOException;
+
+import org.junit.Before;
+import org.junit.ClassRule;
 import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
 import org.onap.policy.common.parameters.GroupValidationResult;
 
 /**
@@ -34,12 +40,23 @@ import org.onap.policy.common.parameters.GroupValidationResult;
  */
 public class TestXacmlPdpParameterGroup {
     CommonTestData commonTestData = new CommonTestData();
+    private static File applicationPath;
+
+    @ClassRule
+    public static final TemporaryFolder applicationFolder = new TemporaryFolder();
+
+    @Before
+    public void setupPath() throws IOException {
+        applicationPath = applicationFolder.newFolder();
+    }
 
     @Test
-    public void testXacmlPdpParameterGroup() {
+    public void testXacmlPdpParameterGroup() throws IOException {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(false);
         final XacmlPdpParameterGroup pdpxParameters =
-                new XacmlPdpParameterGroup(CommonTestData.PDPX_GROUP_NAME, restServerParameters);
+                new XacmlPdpParameterGroup(CommonTestData.PDPX_GROUP_NAME,
+                        restServerParameters,
+                        applicationPath.getAbsolutePath());
         final GroupValidationResult validationResult = pdpxParameters.validate();
         assertTrue(validationResult.isValid());
         assertEquals(restServerParameters.getHost(), pdpxParameters.getRestServerParameters().getHost());
@@ -54,7 +71,8 @@ public class TestXacmlPdpParameterGroup {
     @Test
     public void testXacmlPdpParameterGroup_NullName() {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(false);
-        final XacmlPdpParameterGroup pdpxParameters = new XacmlPdpParameterGroup(null, restServerParameters);
+        final XacmlPdpParameterGroup pdpxParameters = new XacmlPdpParameterGroup(null, restServerParameters,
+                applicationPath.getAbsolutePath());
         final GroupValidationResult validationResult = pdpxParameters.validate();
         assertFalse(validationResult.isValid());
         assertEquals(null, pdpxParameters.getName());
@@ -66,7 +84,8 @@ public class TestXacmlPdpParameterGroup {
     public void testXacmlPdpParameterGroup_EmptyName() {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(false);
 
-        final XacmlPdpParameterGroup pdpxParameters = new XacmlPdpParameterGroup("", restServerParameters);
+        final XacmlPdpParameterGroup pdpxParameters = new XacmlPdpParameterGroup("", restServerParameters,
+                applicationPath.getAbsolutePath());
         final GroupValidationResult validationResult = pdpxParameters.validate();
         assertFalse(validationResult.isValid());
         assertEquals("", pdpxParameters.getName());
@@ -79,7 +98,8 @@ public class TestXacmlPdpParameterGroup {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(true);
 
         final XacmlPdpParameterGroup pdpxParameters =
-                new XacmlPdpParameterGroup(CommonTestData.PDPX_GROUP_NAME, restServerParameters);
+                new XacmlPdpParameterGroup(CommonTestData.PDPX_GROUP_NAME, restServerParameters,
+                        applicationPath.getAbsolutePath());
         final GroupValidationResult validationResult = pdpxParameters.validate();
         assertFalse(validationResult.isValid());
         assertTrue(validationResult.getResult()
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterHandler.java b/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterHandler.java
index ef85a762..de55282e 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterHandler.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterHandler.java
@@ -93,11 +93,14 @@ public class TestXacmlPdpParameterHandler {
         noArguments.parse(noArgumentString);
 
         assertThatThrownBy(() -> new XacmlPdpParameterHandler().getParameters(noArguments))
-                .hasMessage("validation error(s) on parameters from \"parameters/NoParameters.json\"\nparameter group "
-                        + "\"null\" type \"org.onap.policy.pdpx.main.parameters.XacmlPdpParameterGroup\" INVALID, "
-                        + "parameter group has status INVALID\n"
-                        + "  field \"name\" type \"java.lang.String\" value \"null\" "
-                        + "INVALID, must be a non-blank string\n");
+                .hasMessage("validation error(s) on parameters from \"parameters/NoParameters.json\"\n"
+                        + "parameter group \"null\" type "
+                        + "\"org.onap.policy.pdpx.main.parameters.XacmlPdpParameterGroup\""
+                        + " INVALID, parameter group has status INVALID\n"
+                        + "  field \"name\" type \"java.lang.String\" value \"null\" INVALID, "
+                        + "must be a non-blank string\n"
+                        + "  field \"applicationPath\" type \"java.lang.String\" value \"null\" INVALID, "
+                        + "must have application path for applications to store policies and data.\n");
     }
 
     @Test
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestDecision.java b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestDecision.java
new file mode 100644
index 00000000..fe307e4f
--- /dev/null
+++ b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestDecision.java
@@ -0,0 +1,172 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * 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.pdpx.main.rest;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertEquals;
+
+import java.io.IOException;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.Invocation;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+
+import org.glassfish.jersey.client.ClientConfig;
+import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
+import org.onap.policy.common.endpoints.http.client.HttpClient;
+import org.onap.policy.common.gson.GsonMessageBodyHandler;
+import org.onap.policy.common.utils.network.NetworkUtil;
+import org.onap.policy.models.decisions.concepts.DecisionRequest;
+import org.onap.policy.models.decisions.concepts.DecisionResponse;
+import org.onap.policy.models.errors.concepts.ErrorResponse;
+import org.onap.policy.pdpx.main.PolicyXacmlPdpException;
+import org.onap.policy.pdpx.main.startstop.Main;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TestDecision {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(TestDecision.class);
+
+    private static Main main;
+
+    /**
+     * BeforeClass setup environment.
+     */
+    @BeforeClass
+    public static void beforeClass() {
+        System.setProperty("org.eclipse.jetty.util.log.class", "org.eclipse.jetty.util.log.StdErrLog");
+        System.setProperty("org.eclipse.jetty.LEVEL", "OFF");
+        main = startXacmlPdpService();
+    }
+
+    @AfterClass
+    public static void after() throws PolicyXacmlPdpException {
+        stopXacmlPdpService(main);
+    }
+
+    @Test
+    public void testDecision_UnsupportedAction() throws KeyManagementException, NoSuchAlgorithmException,
+        ClassNotFoundException {
+
+        LOGGER.info("Running test testDecision_UnsupportedAction");
+
+        DecisionRequest request = new DecisionRequest();
+        request.setOnapName("DROOLS");
+        request.setAction("foo");
+        Map<String, Object> guard = new HashMap<String, Object>();
+        guard.put("actor", "foo");
+        guard.put("recipe", "bar");
+        guard.put("target", "somevnf");
+        guard.put("clname", "phoneyloop");
+        request.setResource(guard);
+
+        ErrorResponse response = getErrorDecision(request);
+        LOGGER.info("Response {}", response);
+        assertThat(response.getResponseCode()).isEqualTo(Status.BAD_REQUEST);
+        assertThat(response.getErrorMessage()).isEqualToIgnoringCase("No application for action foo");
+    }
+
+    @Test
+    public void testDecision_Guard() throws InterruptedException, IOException {
+        LOGGER.info("Running test testDecision_Guard");
+
+        DecisionRequest request = new DecisionRequest();
+        request.setOnapName("DROOLS");
+        request.setAction("guard");
+        Map<String, Object> guard = new HashMap<String, Object>();
+        guard.put("actor", "foo");
+        guard.put("recipe", "bar");
+        guard.put("target", "somevnf");
+        guard.put("clname", "phoneyloop");
+        request.setResource(guard);
+
+        DecisionResponse response = getDecision(request);
+        LOGGER.info("Response {}", response);
+        //assertThat(response.getErrorMessage()).isEqualToIgnoringCase("No application for action foo");
+    }
+
+    private static Main startXacmlPdpService() {
+        final String[] XacmlPdpConfigParameters = {"-c", "parameters/XacmlPdpConfigParameters.json"};
+        return new Main(XacmlPdpConfigParameters);
+    }
+
+    private static void stopXacmlPdpService(final Main main) throws PolicyXacmlPdpException {
+        main.shutdown();
+    }
+
+    private DecisionResponse getDecision(DecisionRequest request) throws InterruptedException, IOException {
+        final ClientConfig clientConfig = new ClientConfig();
+
+        final HttpAuthenticationFeature feature = HttpAuthenticationFeature.basic("healthcheck", "zb!XztG34");
+        clientConfig.register(feature);
+
+        final Client client = ClientBuilder.newClient(clientConfig);
+        final WebTarget webTarget = client.target("http://localhost:6969/policy/pdpx/v1/decision");
+
+        final Invocation.Builder invocationBuilder = webTarget.request(MediaType.APPLICATION_JSON);
+
+        if (!NetworkUtil.isTcpPortOpen("localhost", 6969, 6, 10000L)) {
+            throw new IllegalStateException("Cannot connect to port 6969");
+        }
+
+        return invocationBuilder.post(Entity.json(request), DecisionResponse.class);
+    }
+
+    private ErrorResponse getErrorDecision(DecisionRequest request) throws KeyManagementException,
+        NoSuchAlgorithmException, ClassNotFoundException {
+
+        HttpClient client = getNoAuthHttpClient();
+
+        Entity<DecisionRequest> entityRequest = Entity.entity(request, MediaType.APPLICATION_JSON);
+        Response response = client.post("", entityRequest, Collections.emptyMap());
+
+        assertEquals(400, response.getStatus());
+
+        return HttpClient.getBody(response, ErrorResponse.class);
+    }
+
+    private HttpClient getNoAuthHttpClient()
+            throws KeyManagementException, NoSuchAlgorithmException, ClassNotFoundException {
+        return HttpClient.factory.build(BusTopicParams.builder()
+                .clientName("testDecisionClient")
+                .serializationProvider(GsonMessageBodyHandler.class.getName())
+                .useHttps(false).allowSelfSignedCerts(false).hostname("localhost").port(6969)
+                .basePath("policy/pdpx/v1/decision")
+                .userName("healthcheck").password("zb!XztG34").managed(true).build());
+    }
+
+
+}
\ No newline at end of file
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestXacmlPdpRestServer.java b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestXacmlPdpRestServer.java
index 316abac7..fc3edd73 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestXacmlPdpRestServer.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestXacmlPdpRestServer.java
@@ -24,6 +24,7 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
+import java.io.File;
 import java.io.IOException;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Modifier;
@@ -42,7 +43,9 @@ import org.glassfish.jersey.client.ClientConfig;
 import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
 import org.junit.After;
 import org.junit.BeforeClass;
+import org.junit.ClassRule;
 import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
 import org.onap.policy.common.endpoints.report.HealthCheckReport;
 import org.onap.policy.common.utils.network.NetworkUtil;
 import org.onap.policy.pdpx.main.PolicyXacmlPdpException;
@@ -69,15 +72,21 @@ public class TestXacmlPdpRestServer {
     private static String KEYSTORE = System.getProperty("user.dir") + "/src/test/resources/ssl/policy-keystore";
     private Main main;
     private XacmlPdpRestServer restServer;
+    private static File applicationPath;
+
+    @ClassRule
+    public static final TemporaryFolder applicationFolder = new TemporaryFolder();
 
     /**
      * setup.
+     *
+     * @throws IOException exception if cannot create temporary folder
      */
     @BeforeClass
-    public static void setUp() {
+    public static void setUp() throws IOException {
         System.setProperty("org.eclipse.jetty.util.log.class", "org.eclipse.jetty.util.log.StdErrLog");
         System.setProperty("org.eclipse.jetty.LEVEL", "OFF");
-
+        applicationPath = applicationFolder.newFolder();
     }
 
     /**
@@ -115,7 +124,7 @@ public class TestXacmlPdpRestServer {
     public void testHealthCheckFailure() throws InterruptedException, IOException {
         final RestServerParameters restServerParams = new CommonTestData().getRestServerParameters(false);
         restServerParams.setName(CommonTestData.PDPX_GROUP_NAME);
-        restServer = new XacmlPdpRestServer(restServerParams);
+        restServer = new XacmlPdpRestServer(restServerParams, applicationPath.getAbsolutePath());
         restServer.start();
         final Invocation.Builder invocationBuilder = sendHttpRequest(HEALTHCHECK_ENDPOINT);
         final HealthCheckReport report = invocationBuilder.get(HealthCheckReport.class);
@@ -149,7 +158,7 @@ public class TestXacmlPdpRestServer {
     public void testStatistics_500() throws IOException, InterruptedException {
         final RestServerParameters restServerParams = new CommonTestData().getRestServerParameters(false);
         restServerParams.setName(CommonTestData.PDPX_GROUP_NAME);
-        restServer = new XacmlPdpRestServer(restServerParams);
+        restServer = new XacmlPdpRestServer(restServerParams, applicationPath.getAbsolutePath());
         restServer.start();
         final Invocation.Builder invocationBuilder = sendHttpRequest(STATISTICS_ENDPOINT);
         final StatisticsReport report = invocationBuilder.get(StatisticsReport.class);
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestXacmlPdpStatistics.java b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestXacmlPdpStatistics.java
index 595301de..8d2f7ce4 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestXacmlPdpStatistics.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestXacmlPdpStatistics.java
@@ -25,6 +25,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 
+import java.io.File;
 import java.io.IOException;
 import javax.ws.rs.client.Client;
 import javax.ws.rs.client.ClientBuilder;
@@ -33,8 +34,11 @@ import javax.ws.rs.client.WebTarget;
 import javax.ws.rs.core.MediaType;
 import org.glassfish.jersey.client.ClientConfig;
 import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
+import org.junit.Before;
 import org.junit.BeforeClass;
+import org.junit.ClassRule;
 import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
 import org.onap.policy.common.utils.network.NetworkUtil;
 import org.onap.policy.pdpx.main.PolicyXacmlPdpException;
 import org.onap.policy.pdpx.main.parameters.CommonTestData;
@@ -52,11 +56,21 @@ import org.slf4j.LoggerFactory;
 public class TestXacmlPdpStatistics {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(TestXacmlPdpStatistics.class);
+    private static File applicationPath;
 
+    @ClassRule
+    public static final TemporaryFolder applicationFolder = new TemporaryFolder();
+
+    /**
+     * Turn off some debugging and create temporary folder for applications.
+     *
+     * @throws IOException If temporary folder fails
+     */
     @BeforeClass
-    public static void beforeClass() {
+    public static void beforeClass() throws IOException {
         System.setProperty("org.eclipse.jetty.util.log.class", "org.eclipse.jetty.util.log.StdErrLog");
         System.setProperty("org.eclipse.jetty.LEVEL", "OFF");
+        applicationPath = applicationFolder.newFolder();
     }
 
     @Test
@@ -81,7 +95,8 @@ public class TestXacmlPdpStatistics {
     public void testXacmlPdpStatistics_500() throws InterruptedException {
         final RestServerParameters restServerParams = new CommonTestData().getRestServerParameters(false);
         restServerParams.setName(CommonTestData.PDPX_GROUP_NAME);
-        final XacmlPdpRestServer restServer = new XacmlPdpRestServer(restServerParams);
+        final XacmlPdpRestServer restServer = new XacmlPdpRestServer(restServerParams,
+                applicationPath.getAbsolutePath());
 
         try {
             restServer.start();