add new sdnc interaction

Added Cors auth support option for sdnc interaction

Issue-ID: SO-3580
Signed-off-by: AT&T Open Source <g22940@att.com>
Change-Id: I54d17ea5e02a20114f5857940cc4dabc72854dea

5 files changed, 278 insertions, 0 deletions

diff --git a/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/impl/Constants.java b/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/impl/Constants.java
index da0fcd3d04..047686ccc3 100644
--- a/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/impl/Constants.java
+++ b/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/impl/Constants.java
@@ -31,6 +31,7 @@ public interface Constants {
     public static final String SDNC_AUTH_PROP = "org.onap.so.adapters.sdnc.sdncauth";
     public static final String BPEL_AUTH_PROP = "org.onap.so.adapters.sdnc.bpelauth";
 
+    public static final String SDNC_HOST = "org.onap.so.adapters.sdnc.sdncHost";
 
     public static final String SDNC_SVCCFGRESP_ROOT = "input";
     public static final String SDNC_REQ_ID = "/svc-request-id";
diff --git a/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/tasks/SDNCService.java b/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/tasks/SDNCService.java
new file mode 100644
index 0000000000..e5b7049934
--- /dev/null
+++ b/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/tasks/SDNCService.java
@@ -0,0 +1,136 @@
+package org.onap.so.adapters.sdnc.tasks;
+
+import java.security.GeneralSecurityException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import javax.ws.rs.core.UriBuilder;
+import javax.xml.bind.DatatypeConverter;
+import org.camunda.bpm.client.task.ExternalTask;
+import org.camunda.bpm.client.task.ExternalTaskService;
+import org.onap.logging.filter.spring.SpringClientPayloadFilter;
+import org.onap.so.adapters.sdnc.impl.Constants;
+import org.onap.so.logging.jaxrs.filter.SOSpringClientFilter;
+import org.onap.so.logging.tasks.AuditMDCSetup;
+import org.onap.so.utils.CryptoUtils;
+import org.onap.so.utils.ExternalTaskUtils;
+import org.onap.so.utils.RetrySequenceLevel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.env.Environment;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.client.BufferingClientHttpRequestFactory;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+@Component
+public class SDNCService extends ExternalTaskUtils {
+
+    private static final Logger logger = LoggerFactory.getLogger(SDNCService.class);
+
+    @Autowired
+    private AuditMDCSetup mdcSetup;
+
+    @Autowired
+    private RestTemplate restTemplate;
+
+    @Autowired
+    private Environment env;
+
+    private ObjectMapper objMapper = new ObjectMapper();
+
+    public SDNCService() {
+        super(RetrySequenceLevel.SHORT);
+        objMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+    }
+
+    // TODO maybe make a new sdnc client
+    public void executePostTask(ExternalTask externalTask, ExternalTaskService externalTaskService) {
+        mdcSetup.setupMDC(externalTask);
+        logger.debug("Executing External Task SDNC Post Service");
+        Map<String, Object> variables = new HashMap<>();
+        boolean success = false;
+        String errorMessage = "";
+        try {
+            Object request = externalTask.getVariable("sdncRequest");
+            String jsonRequest = buildJsonRequest(request);
+
+            UriBuilder url = UriBuilder.fromUri(env.getProperty(Constants.SDNC_HOST));
+            url.path((String) externalTask.getVariable("sdncUri"));
+
+            HttpEntity<String> requestEntity = new HttpEntity<String>(jsonRequest, getHttpHeader());
+            ResponseEntity<Object> responseEntity =
+                    restTemplate.exchange(url.build(), HttpMethod.POST, requestEntity, Object.class);
+
+            if (responseEntity.getStatusCode().equals(HttpStatus.ACCEPTED)) {
+                success = true;
+            } else {
+                errorMessage = "SDNC returned a " + responseEntity.getStatusCode().value();
+            }
+        } catch (Exception e) {
+            logger.error("Error during External Task SDNC Post Service", e);
+            errorMessage = "Error during External Task SDNC Post Service: " + e.getMessage();
+        }
+
+        if (success) {
+            externalTaskService.complete(externalTask, variables);
+            logger.debug("The External Task {} was Successful", externalTask.getId());
+        } else {
+            if (externalTask.getRetries() == null) {
+                logger.debug("The External Task {} Failed, Setting Retries to Default Start Value {}",
+                        externalTask.getId(), getRetrySequence().length);
+                externalTaskService.handleFailure(externalTask, errorMessage, "errorDetails", getRetrySequence().length,
+                        10000);
+            } else if (externalTask.getRetries() != null && externalTask.getRetries() - 1 == 0) {
+                logger.debug("The External Task {} Failed, All Retries Exhausted", externalTask.getId());
+                variables.put("errorMessage", errorMessage);
+                externalTaskService.handleBpmnError(externalTask, "SDNCWorkflowException", null, variables);
+            } else {
+                logger.debug("The External Task {} Failed, Decrementing Retries to {} with Retry Delay {}",
+                        externalTask.getId(), externalTask.getRetries() - 1,
+                        calculateRetryDelay(externalTask.getRetries()));
+                externalTaskService.handleFailure(externalTask, errorMessage, "errorDetails",
+                        externalTask.getRetries() - 1, calculateRetryDelay(externalTask.getRetries()));
+            }
+        }
+    }
+
+    public void executeGetTask(ExternalTask externalTask, ExternalTaskService externalTaskService) {
+        logger.debug("Executing External Task SDNC Get Service");
+
+    }
+
+    private String buildJsonRequest(Object request) throws JsonProcessingException {
+        String jsonRequest = objMapper.writerWithDefaultPrettyPrinter().writeValueAsString(request);
+        return jsonRequest;
+    }
+
+    private HttpHeaders getHttpHeader() throws GeneralSecurityException {
+        HttpHeaders httpHeader = new HttpHeaders();
+        httpHeader.set("Authorization", getAuth());
+        httpHeader.setContentType(MediaType.APPLICATION_JSON);
+        List<MediaType> acceptMediaTypes = new ArrayList<>();
+        acceptMediaTypes.add(MediaType.APPLICATION_JSON);
+        acceptMediaTypes.add(MediaType.TEXT_PLAIN);
+        httpHeader.setAccept(acceptMediaTypes);
+        return httpHeader;
+    }
+
+    protected String getAuth() throws GeneralSecurityException {
+        String auth = CryptoUtils.decrypt(env.getProperty(Constants.SDNC_AUTH_PROP),
+                env.getProperty(Constants.ENCRYPTION_KEY_PROP));
+        return "Basic " + DatatypeConverter.printBase64Binary(auth.getBytes());
+    }
+
+}
diff --git a/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/tasks/TaskServices.java b/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/tasks/TaskServices.java
new file mode 100644
index 0000000000..fd95b44aee
--- /dev/null
+++ b/adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/tasks/TaskServices.java
@@ -0,0 +1,57 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.sdnc.tasks;
+
+import javax.annotation.PostConstruct;
+import org.camunda.bpm.client.ExternalTaskClient;
+import org.onap.so.utils.ExternalTaskServiceUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Component;
+
+@Component
+@Profile("!test")
+public class TaskServices {
+
+    @Autowired
+    private ExternalTaskServiceUtils externalTaskServiceUtils;
+
+    @Autowired
+    private SDNCService service;
+
+    @PostConstruct
+    public void post() throws Exception {
+        for (int i = 0; i < externalTaskServiceUtils.getMaxClients(); i++) {
+            ExternalTaskClient client = externalTaskServiceUtils.createExternalTaskClient();
+            client.subscribe("sdncPost").lockDuration(externalTaskServiceUtils.getLockDurationLong())
+                    .handler(service::executePostTask).open();
+        }
+    }
+
+    @PostConstruct
+    public void get() throws Exception {
+        for (int i = 0; i < externalTaskServiceUtils.getMaxClients(); i++) {
+            ExternalTaskClient client = externalTaskServiceUtils.createExternalTaskClient();
+            client.subscribe("sdncGet").lockDuration(externalTaskServiceUtils.getLockDurationLong())
+                    .handler(service::executeGetTask).open();
+        }
+    }
+}
diff --git a/adapters/mso-sdnc-adapter/src/test/java/org/onap/so/adapters/sdnc/tasks/SDNCServiceTest.java b/adapters/mso-sdnc-adapter/src/test/java/org/onap/so/adapters/sdnc/tasks/SDNCServiceTest.java
new file mode 100644
index 0000000000..386d83f87d
--- /dev/null
+++ b/adapters/mso-sdnc-adapter/src/test/java/org/onap/so/adapters/sdnc/tasks/SDNCServiceTest.java
@@ -0,0 +1,72 @@
+package org.onap.so.adapters.sdnc.tasks;
+
+import java.io.IOException;
+import java.net.URI;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.security.GeneralSecurityException;
+import java.util.HashMap;
+import org.camunda.bpm.client.task.ExternalTask;
+import org.camunda.bpm.client.task.ExternalTaskService;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.Spy;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.onap.so.logging.tasks.AuditMDCSetup;
+import org.springframework.core.env.Environment;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.client.RestTemplate;
+
+@RunWith(MockitoJUnitRunner.class)
+public class SDNCServiceTest {
+
+    private String RESOURCE_PATH = "src/test/resources";
+
+    @Mock
+    private ExternalTask mockExternalTask;
+
+    @Mock
+    private ExternalTaskService mockExternalTaskService;
+
+    @Mock
+    private AuditMDCSetup mdcSetup;
+
+    @Mock
+    private RestTemplate restTemplate;
+
+    @Mock
+    private ResponseEntity<Object> response;
+
+    @Mock
+    private Environment env;
+
+    @Spy
+    @InjectMocks
+    private SDNCService sdncService;
+
+    @Test
+    public void testExecutePostTask() throws IOException, GeneralSecurityException {
+        String payload = new String(Files.readAllBytes(Paths.get(RESOURCE_PATH + "/sdncRequest.json")));
+
+        Mockito.when(env.getProperty("org.onap.so.adapters.sdnc.sdncHost")).thenReturn("sdncHost");
+        Mockito.when(mockExternalTask.getVariable("sdncRequest")).thenReturn(payload);
+        Mockito.when(mockExternalTask.getVariable("sdncUri")).thenReturn("/sdnc/action");
+        Mockito.doReturn("Basic 123").when(sdncService).getAuth();
+        Mockito.when(restTemplate.exchange(Mockito.any(URI.class), Mockito.eq(HttpMethod.POST),
+                Mockito.any(HttpEntity.class), Mockito.eq(Object.class))).thenReturn(response);
+        Mockito.when(response.getStatusCode()).thenReturn(HttpStatus.ACCEPTED);
+        Mockito.doNothing().when(mockExternalTaskService).complete(Mockito.any(), Mockito.any());
+
+        sdncService.executePostTask(mockExternalTask, mockExternalTaskService);
+
+        Mockito.verify(mockExternalTaskService).complete(Mockito.eq(mockExternalTask), Mockito.eq(new HashMap<>()));
+
+    }
+
+}
diff --git a/adapters/mso-sdnc-adapter/src/test/resources/sdncRequest.json b/adapters/mso-sdnc-adapter/src/test/resources/sdncRequest.json
new file mode 100644
index 0000000000..879b9b3765
--- /dev/null
+++ b/adapters/mso-sdnc-adapter/src/test/resources/sdncRequest.json
@@ -0,0 +1,12 @@
+{
+  "request_control": { 
+    "transaction_id": "migId", 
+    "request_id": "reqId", 
+    "invocation_id": "subReqId",
+    "async": true, 
+    "callback_url": "host/callback" 
+  }, 
+  "input": { 
+    "id": "id" 
+  }
+}
\ No newline at end of file