Merge pull request #5304 from msqr/master

Add option for HTTP client rule node to not create any message body

@@ -182,7 +182,8 @@ public class TbHttpClient {
         HttpMethod method = HttpMethod.valueOf(config.getRequestMethod());
         HttpEntity<String> entity;
         if(HttpMethod.GET.equals(method) || HttpMethod.HEAD.equals(method) ||
-            HttpMethod.OPTIONS.equals(method) || HttpMethod.TRACE.equals(method)) {
+            HttpMethod.OPTIONS.equals(method) || HttpMethod.TRACE.equals(method) ||
+            config.isIgnoreRequestBody()) {
             entity = new HttpEntity<>(headers);
         } else {
             entity = new HttpEntity<>(msg.getData(), headers);

@@ -47,6 +47,7 @@ public class TbRestApiCallNodeConfiguration implements NodeConfiguration<TbRestA
     private String proxyPassword;
     private String proxyScheme;
     private ClientCredentials credentials;
+    private boolean ignoreRequestBody;
 
     @Override
     public TbRestApiCallNodeConfiguration defaultConfiguration() {
@@ -61,6 +62,7 @@ public class TbRestApiCallNodeConfiguration implements NodeConfiguration<TbRestA
         configuration.setTrimQueue(false);
         configuration.setEnableProxy(false);
         configuration.setCredentials(new AnonymousCredentials());
+        configuration.setIgnoreRequestBody(false);
         return configuration;
     }
 

+/**
+ * Copyright © 2016-2021 The Thingsboard Authors
+ *
+ * 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.
+ */
+package org.thingsboard.rule.engine.rest;
+
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.verify;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.http.Header;
+import org.apache.http.HttpException;
+import org.apache.http.HttpRequest;
+import org.apache.http.HttpResponse;
+import org.apache.http.config.SocketConfig;
+import org.apache.http.impl.bootstrap.HttpServer;
+import org.apache.http.impl.bootstrap.ServerBootstrap;
+import org.apache.http.protocol.HttpContext;
+import org.apache.http.protocol.HttpRequestHandler;
+import org.junit.After;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.rule.engine.api.TbEmail;
+import org.thingsboard.rule.engine.api.TbNodeConfiguration;
+import org.thingsboard.rule.engine.api.TbNodeException;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.id.RuleNodeId;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgDataType;
+import org.thingsboard.server.common.msg.TbMsgMetaData;
+
+import com.datastax.oss.driver.api.core.uuid.Uuids;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+@RunWith(MockitoJUnitRunner.class)
+public class TbRestApiCallNodeTest {
+	
+    private TbRestApiCallNode restNode;
+
+    @Mock
+    private TbContext ctx;
+
+    private EntityId originator = new DeviceId(Uuids.timeBased());
+    private TbMsgMetaData metaData = new TbMsgMetaData();
+
+    private RuleChainId ruleChainId = new RuleChainId(Uuids.timeBased());
+    private RuleNodeId ruleNodeId = new RuleNodeId(Uuids.timeBased());
+
+	private HttpServer server;
+
+    public void setupServer(String pattern, HttpRequestHandler handler) throws IOException {
+        SocketConfig config  = SocketConfig.custom().setSoReuseAddress(true).setTcpNoDelay(true).build();
+    	server = ServerBootstrap.bootstrap()
+                .setSocketConfig(config)
+    			.registerHandler(pattern, handler)
+    			.create();
+        server.start();
+    }
+    
+    private void initWithConfig(TbRestApiCallNodeConfiguration config) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            TbNodeConfiguration nodeConfiguration = new TbNodeConfiguration(mapper.valueToTree(config));
+            restNode = new TbRestApiCallNode();
+            restNode.init(ctx, nodeConfiguration);
+        } catch (TbNodeException ex) {
+            throw new IllegalStateException(ex);
+        }
+    }
+
+    @After
+    public void teardown() {
+        server.stop();
+    }
+    
+    @Test
+    public void deleteRequestWithoutBody() throws IOException, InterruptedException {
+        final CountDownLatch latch = new CountDownLatch(1);
+        final String path = "/path/to/delete";
+    	setupServer("*", new HttpRequestHandler() {
+			
+			@Override
+			public void handle(HttpRequest request, HttpResponse response, HttpContext context)
+					throws HttpException, IOException {
+                try {
+                    assertEquals("Request path matches", request.getRequestLine().getUri(), path);
+                    assertFalse("Content-Type not included", request.containsHeader("Content-Type"));
+                    assertTrue("Custom header included", request.containsHeader("Foo"));
+                    assertEquals("Custom header value", "Bar", request.getFirstHeader("Foo").getValue());
+                    response.setStatusCode(200);
+                    new Thread(new Runnable() {
+                        @Override
+                        public void run() {
+                            try {
+                                Thread.sleep(1000L);
+                            } catch (InterruptedException e) {
+                                // ignore
+                            } finally {
+                                latch.countDown();
+                            }
+                        }
+                    }).start();
+                } catch ( Exception e ) {
+                    System.out.println("Exception handling request: " + e.toString());
+                    e.printStackTrace();
+                    latch.countDown();
+                }
+            }
+		});
+
+        TbRestApiCallNodeConfiguration config = new TbRestApiCallNodeConfiguration().defaultConfiguration();
+        config.setRequestMethod("DELETE");
+        config.setHeaders(Collections.singletonMap("Foo", "Bar"));
+        config.setIgnoreRequestBody(true);
+        config.setRestEndpointUrlPattern(String.format("http://localhost:%d%s", server.getLocalPort(), path));
+        initWithConfig(config);
+
+        TbMsg msg = TbMsg.newMsg( "USER", originator, metaData, TbMsgDataType.JSON, "{}", ruleChainId, ruleNodeId);
+        restNode.onMsg(ctx, msg);
+
+        assertTrue("Server handled request", latch.await(10, TimeUnit.SECONDS));
+
+        ArgumentCaptor<TbMsg> msgCaptor = ArgumentCaptor.forClass(TbMsg.class);
+        ArgumentCaptor<String> typeCaptor = ArgumentCaptor.forClass(String.class);
+        ArgumentCaptor<EntityId> originatorCaptor = ArgumentCaptor.forClass(EntityId.class);
+        ArgumentCaptor<TbMsgMetaData> metadataCaptor = ArgumentCaptor.forClass(TbMsgMetaData.class);
+        ArgumentCaptor<String> dataCaptor = ArgumentCaptor.forClass(String.class);
+        verify(ctx).transformMsg(msgCaptor.capture(), typeCaptor.capture(), originatorCaptor.capture(), metadataCaptor.capture(), dataCaptor.capture());
+
+
+        assertEquals("USER", typeCaptor.getValue());
+        assertEquals(originator, originatorCaptor.getValue());
+        assertNotSame(metaData, metadataCaptor.getValue());
+        assertEquals("{}", dataCaptor.getValue());
+    }
+
+    @Test
+    public void deleteRequestWithBody() throws IOException, InterruptedException {
+        final CountDownLatch latch = new CountDownLatch(1);
+        final String path = "/path/to/delete";
+        setupServer("*", new HttpRequestHandler() {
+
+            @Override
+            public void handle(HttpRequest request, HttpResponse response, HttpContext context)
+                    throws HttpException, IOException {
+                try {
+                    assertEquals("Request path matches", path, request.getRequestLine().getUri());
+                    assertTrue("Content-Type included", request.containsHeader("Content-Type"));
+                    assertEquals("Content-Type value", "text/plain;charset=ISO-8859-1",
+                            request.getFirstHeader("Content-Type").getValue());
+                    assertTrue("Content-Length included", request.containsHeader("Content-Length"));
+                    assertEquals("Content-Length value", "2",
+                            request.getFirstHeader("Content-Length").getValue());
+                    assertTrue("Custom header included", request.containsHeader("Foo"));
+                    assertEquals("Custom header value", "Bar", request.getFirstHeader("Foo").getValue());
+                    response.setStatusCode(200);
+                    new Thread(new Runnable() {
+                        @Override
+                        public void run() {
+                            try {
+                                Thread.sleep(1000L);
+                            } catch (InterruptedException e) {
+                                // ignore
+                            } finally {
+                                latch.countDown();
+                            }
+                        }
+                    }).start();
+                } catch ( Exception e ) {
+                    System.out.println("Exception handling request: " + e.toString());
+                    e.printStackTrace();
+                    latch.countDown();
+                }
+            }
+        });
+
+        TbRestApiCallNodeConfiguration config = new TbRestApiCallNodeConfiguration().defaultConfiguration();
+        config.setRequestMethod("DELETE");
+        config.setHeaders(Collections.singletonMap("Foo", "Bar"));
+        config.setIgnoreRequestBody(false);
+        config.setRestEndpointUrlPattern(String.format("http://localhost:%d%s", server.getLocalPort(), path));
+        initWithConfig(config);
+
+        TbMsg msg = TbMsg.newMsg( "USER", originator, metaData, TbMsgDataType.JSON, "{}", ruleChainId, ruleNodeId);
+        restNode.onMsg(ctx, msg);
+
+        assertTrue("Server handled request", latch.await(10, TimeUnit.SECONDS));
+
+        ArgumentCaptor<TbMsg> msgCaptor = ArgumentCaptor.forClass(TbMsg.class);
+        ArgumentCaptor<String> typeCaptor = ArgumentCaptor.forClass(String.class);
+        ArgumentCaptor<EntityId> originatorCaptor = ArgumentCaptor.forClass(EntityId.class);
+        ArgumentCaptor<TbMsgMetaData> metadataCaptor = ArgumentCaptor.forClass(TbMsgMetaData.class);
+        ArgumentCaptor<String> dataCaptor = ArgumentCaptor.forClass(String.class);
+        verify(ctx).transformMsg(msgCaptor.capture(), typeCaptor.capture(), originatorCaptor.capture(), metadataCaptor.capture(), dataCaptor.capture());
+        
+        assertEquals("USER", typeCaptor.getValue());
+        assertEquals(originator, originatorCaptor.getValue());
+        assertNotSame(metaData, metadataCaptor.getValue());
+        assertEquals("{}", dataCaptor.getValue());
+    }
+
+}