new RuleNode 'fetch device credentials'

application/src/main/java/org/thingsboard/server/actors/ActorSystemContext.java

@@ -55,6 +55,7 @@ import org.thingsboard.server.dao.cassandra.CassandraCluster;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.dashboard.DashboardService;
 import org.thingsboard.server.dao.device.ClaimDevicesService;
+import org.thingsboard.server.dao.device.DeviceCredentialsService;
 import org.thingsboard.server.dao.device.DeviceService;
 import org.thingsboard.server.dao.edge.EdgeEventService;
 import org.thingsboard.server.dao.edge.EdgeService;
@@ -150,6 +151,10 @@ public class ActorSystemContext {
     @Getter
     private DeviceService deviceService;
 
+    @Autowired
+    @Getter
+    private DeviceCredentialsService deviceCredentialsService;
+
     @Autowired
     @Getter
     private TbTenantProfileCache tenantProfileCache;

application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java

@@ -65,6 +65,7 @@ import org.thingsboard.server.dao.attributes.AttributesService;
 import org.thingsboard.server.dao.cassandra.CassandraCluster;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.dashboard.DashboardService;
+import org.thingsboard.server.dao.device.DeviceCredentialsService;
 import org.thingsboard.server.dao.device.DeviceService;
 import org.thingsboard.server.dao.edge.EdgeEventService;
 import org.thingsboard.server.dao.edge.EdgeService;
@@ -479,6 +480,11 @@ class DefaultTbContext implements TbContext {
         return mainCtx.getDeviceService();
     }
 
+    @Override
+    public DeviceCredentialsService getDeviceCredentialsService() {
+        return mainCtx.getDeviceCredentialsService();
+    }
+
     @Override
     public TbClusterService getClusterService() {
         return mainCtx.getClusterService();

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/TbContext.java

@@ -44,6 +44,7 @@ import org.thingsboard.server.dao.attributes.AttributesService;
 import org.thingsboard.server.dao.cassandra.CassandraCluster;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.dashboard.DashboardService;
+import org.thingsboard.server.dao.device.DeviceCredentialsService;
 import org.thingsboard.server.dao.device.DeviceService;
 import org.thingsboard.server.dao.edge.EdgeEventService;
 import org.thingsboard.server.dao.edge.EdgeService;
@@ -210,6 +211,8 @@ public interface TbContext {
 
     DeviceService getDeviceService();
 
+    DeviceCredentialsService getDeviceCredentialsService();
+
     TbClusterService getClusterService();
 
     DashboardService getDashboardService();

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/metadata/TbFetchDeviceCredentialsNode.java

@@ -0,0 +1,101 @@
+/**
+ * Copyright © 2016-2022 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.metadata;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.BooleanUtils;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.rule.engine.api.RuleNode;
+import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.rule.engine.api.TbNode;
+import org.thingsboard.rule.engine.api.TbNodeConfiguration;
+import org.thingsboard.rule.engine.api.TbNodeException;
+import org.thingsboard.rule.engine.api.util.TbNodeUtils;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.plugin.ComponentType;
+import org.thingsboard.server.common.data.security.DeviceCredentials;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgMetaData;
+
+import java.util.concurrent.ExecutionException;
+
+@Slf4j
+@RuleNode(
+        type = ComponentType.ENRICHMENT,
+        name = "fetch device credentials",
+        configClazz = TbFetchDeviceCredentialsNodeConfiguration.class,
+        nodeDescription = "Adds <b>deviceCredentials</b> property to the message metadata if the configuration parameter <b>fetchToMetadata</b>" +
+                " is set to <code>true</code> or if it does not exist, otherwise, adds <b>deviceCredentials</b> property to the message data!",
+        nodeDetails = "Rule node returns transformed messages via <code>Success</code> chain in case that message successfully transformed" +
+                " otherwise returns the incoming message as outbound message with <code>Failure</code> chain.",
+        uiResources = {"static/rulenode/rulenode-core-config.js"},
+        configDirective = "",
+        icon = "functions"
+)
+public class TbFetchDeviceCredentialsNode implements TbNode {
+
+    private static final String DEVICE_CREDENTIAL = "deviceCredentials";
+    TbFetchDeviceCredentialsNodeConfiguration config;
+    boolean fetchToMetadata;
+
+    @Override
+    public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
+        this.config = TbNodeUtils.convert(configuration, TbFetchDeviceCredentialsNodeConfiguration.class);
+        fetchToMetadata = BooleanUtils.toBooleanDefaultIfNull(config.isFetchToMetadata(), true);
+    }
+
+    @Override
+    public void onMsg(TbContext ctx, TbMsg msg) throws ExecutionException, InterruptedException, TbNodeException {
+        EntityId originator = msg.getOriginator();
+        if (!EntityType.DEVICE.equals(originator.getEntityType())) {
+            ctx.tellFailure(msg, new RuntimeException("Unsupported originator type: " + originator.getEntityType() + "!"));
+            return;
+        }
+        DeviceId deviceId = new DeviceId(msg.getOriginator().getId());
+        DeviceCredentials deviceCredentials = ctx.getDeviceCredentialsService().findDeviceCredentialsByDeviceId(ctx.getTenantId(), deviceId);
+        if (deviceCredentials == null) {
+            ctx.tellFailure(msg, new RuntimeException("Failed to get Device Credentials for device: " + deviceId + "!"));
+            return;
+        }
+        //TODO -- ask return type data
+        /*String credentialsId = deviceCredentials.getCredentialsId();
+        if (StringUtils.isEmpty(credentialsId)) {
+            ctx.tellFailure(msg, new RuntimeException("Failed to get accessToken for device: " + deviceId + "!"));
+            return;
+        }*/
+
+        TbMsg transformedMsg;
+        if (fetchToMetadata) {
+            TbMsgMetaData metaData = msg.getMetaData();
+            metaData.putValue(DEVICE_CREDENTIAL, JacksonUtil.toString(deviceCredentials));
+            transformedMsg = TbMsg.transformMsg(msg, msg.getType(), originator, metaData, msg.getData());
+        } else {
+            ObjectNode data = (ObjectNode) JacksonUtil.toJsonNode(msg.getData());
+            data.set(DEVICE_CREDENTIAL, JacksonUtil.valueToTree(deviceCredentials));
+            transformedMsg = TbMsg.transformMsg(msg, msg.getType(), originator, msg.getMetaData(), JacksonUtil.toString(data));
+        }
+        ctx.tellSuccess(transformedMsg);
+    }
+
+    @Override
+    public void destroy() {
+    }
+
+}
+

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/metadata/TbFetchDeviceCredentialsNodeConfiguration.java

@@ -0,0 +1,34 @@
+/**
+ * Copyright © 2016-2022 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.metadata;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import lombok.Data;
+import org.thingsboard.rule.engine.api.NodeConfiguration;
+
+@Data
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class TbFetchDeviceCredentialsNodeConfiguration implements NodeConfiguration<TbFetchDeviceCredentialsNodeConfiguration> {
+
+    private boolean fetchToMetadata;
+
+    @Override
+    public TbFetchDeviceCredentialsNodeConfiguration defaultConfiguration() {
+        TbFetchDeviceCredentialsNodeConfiguration configuration = new TbFetchDeviceCredentialsNodeConfiguration();
+        configuration.setFetchToMetadata(true);
+        return configuration;
+    }
+}

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/metadata/TbFetchDeviceCredentialsNodeTest.java

@@ -0,0 +1,149 @@
+/**
+ * Copyright © 2016-2022 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.metadata;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.rule.engine.api.TbNodeConfiguration;
+import org.thingsboard.rule.engine.api.TbNodeException;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.security.DeviceCredentials;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgMetaData;
+import org.thingsboard.server.common.msg.queue.TbMsgCallback;
+import org.thingsboard.server.dao.device.DeviceCredentialsService;
+
+import java.util.Map;
+import java.util.UUID;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.willAnswer;
+import static org.mockito.BDDMockito.willReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+public class TbFetchDeviceCredentialsNodeTest {
+    final ObjectMapper mapper = new ObjectMapper();
+
+    DeviceId deviceId;
+    TbFetchDeviceCredentialsNode node;
+    TbFetchDeviceCredentialsNodeConfiguration config;
+    TbNodeConfiguration nodeConfiguration;
+    TbContext ctx;
+    TbMsgCallback callback;
+    DeviceCredentialsService deviceCredentialsService;
+
+    @BeforeEach
+    void setUp() throws TbNodeException {
+        deviceId = new DeviceId(UUID.randomUUID());
+        callback = mock(TbMsgCallback.class);
+        ctx = mock(TbContext.class);
+        config = new TbFetchDeviceCredentialsNodeConfiguration().defaultConfiguration();
+        config.setFetchToMetadata(true);
+        nodeConfiguration = new TbNodeConfiguration(mapper.valueToTree(config));
+        node = spy(new TbFetchDeviceCredentialsNode());
+        node.init(ctx, nodeConfiguration);
+        deviceCredentialsService = mock(DeviceCredentialsService.class);
+
+        willReturn(deviceCredentialsService).given(ctx).getDeviceCredentialsService();
+        willAnswer(invocation -> {
+            return new DeviceCredentials();
+        }).given(deviceCredentialsService).findDeviceCredentialsByDeviceId(any(), any());
+    }
+
+    @AfterEach
+    void tearDown() {
+        node.destroy();
+    }
+
+    @Test
+    void givenDefaultConfig_whenInit_thenOK() {
+        assertThat(node.config).isEqualTo(config);
+        assertThat(node.fetchToMetadata).isEqualTo(true);
+    }
+
+    @Test
+    void givenDefaultConfig_whenVerify_thenOK() {
+        TbFetchDeviceCredentialsNodeConfiguration defaultConfig = new TbFetchDeviceCredentialsNodeConfiguration().defaultConfiguration();
+        assertThat(defaultConfig.isFetchToMetadata()).isEqualTo(true);
+    }
+
+    @Test
+    void givenMsg_whenOnMsg_thenVerifyOutput() throws Exception {
+        node.onMsg(ctx, getTbMsg(deviceId));
+
+        ArgumentCaptor<TbMsg> newMsgCaptor = ArgumentCaptor.forClass(TbMsg.class);
+        verify(ctx, times(1)).tellSuccess(newMsgCaptor.capture());
+        verify(ctx, never()).tellFailure(any(), any());
+        verify(deviceCredentialsService, times(1)).findDeviceCredentialsByDeviceId(any(), any());
+
+        TbMsg newMsg = newMsgCaptor.getValue();
+        assertThat(newMsg).isNotNull();
+
+        assertThat(newMsg.getMetaData().getData().containsKey("deviceCredentials")).isEqualTo(true);
+    }
+
+    @Test
+    void givenUnsupportedOriginatorType_whenOnMsg_thenTellFailure() throws Exception {
+        node.onMsg(ctx, getTbMsg(new CustomerId(UUID.randomUUID())));
+
+        ArgumentCaptor<TbMsg> newMsgCaptor = ArgumentCaptor.forClass(TbMsg.class);
+        ArgumentCaptor<Exception> exceptionCaptor = ArgumentCaptor.forClass(Exception.class);
+        verify(ctx, never()).tellSuccess(any());
+        verify(ctx, times(1)).tellFailure(newMsgCaptor.capture(), exceptionCaptor.capture());
+
+        assertThat(exceptionCaptor.getValue()).isInstanceOf(RuntimeException.class);
+    }
+
+    @Test
+    void givenGetDeviceCredentials_whenOnMsg_thenTellFailure() throws Exception {
+        willAnswer(invocation -> {
+            return null;
+        }).given(deviceCredentialsService).findDeviceCredentialsByDeviceId(any(), any());
+
+        node.onMsg(ctx, getTbMsg(deviceId));
+
+        ArgumentCaptor<TbMsg> newMsgCaptor = ArgumentCaptor.forClass(TbMsg.class);
+        ArgumentCaptor<Exception> exceptionCaptor = ArgumentCaptor.forClass(Exception.class);
+        verify(ctx, never()).tellSuccess(any());
+        verify(ctx, times(1)).tellFailure(newMsgCaptor.capture(), exceptionCaptor.capture());
+
+        assertThat(exceptionCaptor.getValue()).isInstanceOf(RuntimeException.class);
+    }
+
+    private TbMsg getTbMsg(EntityId entityId) {
+        final Map<String, String> mdMap = Map.of(
+                "country", "US",
+                "city", "NY"
+        );
+
+        final TbMsgMetaData metaData = new TbMsgMetaData(mdMap);
+        final String data = "{\"TestAttribute_1\": \"humidity\", \"TestAttribute_2\": \"voltage\"}";
+
+        return TbMsg.newMsg("POST_ATTRIBUTES_REQUEST", entityId, metaData, data, callback);
+    }
+}
+