[ { "id": "9853720840c16267", "type": "comment", "z": "bdf7dc31543e1548", "name": "This flow expects secrets to be defined in qibb's Secret Manager: \\n AWS_SNS_TOPIC_ARN \\n AWS_SNS_API_KEY \\n AWS_SNS_API_SECRET \\n AWS_SNS_TOPIC_REGION", "info": "Expected space secrets:\nAWS_SNS_TOPIC_ARN\nAWS_SNS_API_KEY\nAWS_SNS_API_SECRET\nAWS_SNS_TOPIC_REGION", "x": 860, "y": 220, "wires": [] }, { "id": "98068836fb5e6af6", "type": "group", "z": "bdf7dc31543e1548", "name": "Publish SNS notifications", "style": { "label": true }, "nodes": [ "36f18758ec92d46c", "f39e763047a93624", "598ff95f41e0e124" ], "x": 84, "y": 159, "w": 472, "h": 82 }, { "id": "36f18758ec92d46c", "type": "function", "z": "bdf7dc31543e1548", "g": "98068836fb5e6af6", "name": "Publish SNS message to topic", "func": "// Import the PublishCommand from the AWS SDK v3 package\nconst { PublishCommand } = awsSdkClientSns;\n\n// Retrieve the client and configuration from the node context (set in \"On Setup\")\nconst client = this.client;\nconst config = this.config;\n\n\nasync function publishNotification(){\n try {\n \n // Define the parameters for publishing a message\n const params = {\n Message: JSON.stringify(msg.payload), // Convert your payload to a string\n TopicArn: config.topicArn, // Your SNS topic ARN\n Subject: \"SNS Test Notification\" // Optional: A subject line for endpoints (e.g., email)\n };\n\n // Create the PublishCommand using the 'new' keyword\n const command = new PublishCommand(params);\n\n // Send the command to SNS and await the response\n const data = await client.send(command);\n // Attach the response to msg.payload and send the message along the flow\n msg.payload = data;\n node.send(msg);\n } catch (error) {\n node.error(\"Error publishing message: \" + error);\n }\n}\n\n// Execute the publishNotification function asynchronously\npublishNotification();\n\n// Return null since output is handled asynchronously via node.send()\nreturn null;\n", "outputs": 1, "timeout": 0, "noerr": 0, "initialize": "// Import required classes from the AWS SDK v3 package\nconst { SNSClient } = awsSdkClientSns;\n\n// Group configuration values in an object\nthis.config = {\n topicArn: global.get(\"SECRETS.AWS_SNS_TOPIC_ARN\"), // e.g., \"arn:aws:sns:us-west-2:811950790052:flow-sns-test\"\n accessKey: global.get(\"SECRETS.AWS_SNS_API_KEY\"),\n accessSecret: global.get(\"SECRETS.AWS_SNS_API_SECRET\"),\n region: global.get(\"SECRETS.AWS_SNS_TOPIC_REGION\")\n};\n\n// Create an SNS client instance and store it as a property of the node (this.client)\nthis.client = new SNSClient({\n region: this.config.region,\n credentials: {\n accessKeyId: this.config.accessKey,\n secretAccessKey: this.config.accessSecret\n }\n});\n\n// Define a helper function for safely stringifying the msg (avoiding circular references)\nthis.removeCircular = function () {\n const seen = new WeakSet();\n return (key, value) => {\n if (typeof value === 'object' && value !== null) {\n if (seen.has(value)) {\n return undefined;\n }\n seen.add(value);\n }\n return value;\n };\n};\n\n", "finalize": "", "libs": [ { "var": "awsSdkClientSns", "module": "@aws-sdk/client-sns" } ], "x": 320, "y": 200, "wires": [ [ "598ff95f41e0e124" ] ], "icon": "node-red/envelope.svg" }, { "id": "f39e763047a93624", "type": "inject", "z": "bdf7dc31543e1548", "g": "98068836fb5e6af6", "name": "", "props": [ { "p": "payload.test", "v": "", "vt": "date" }, { "p": "payload.hello", "v": "world", "vt": "str" } ], "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "topic": "", "x": 145, "y": 200, "wires": [ [ "36f18758ec92d46c" ] ], "l": false }, { "id": "598ff95f41e0e124", "type": "debug", "z": "bdf7dc31543e1548", "g": "98068836fb5e6af6", "name": "Send message", "active": true, "tosidebar": true, "console": false, "tostatus": true, "complete": "payload", "targetType": "msg", "statusVal": "", "statusType": "counter", "x": 495, "y": 200, "wires": [], "l": false }, { "id": "ca757d3ab04f5fb4", "type": "group", "z": "bdf7dc31543e1548", "name": "Process incoming SNS notifications", "style": { "label": true }, "nodes": [ "01da0e73ff020fd7", "434e9a6a93e1fe2a", "7a1c75445ef46226", "ac0df1231fb1a5c5", "3dc91633dad35eef" ], "x": 74, "y": 419, "w": 762, "h": 142 }, { "id": "01da0e73ff020fd7", "type": "http in", "z": "bdf7dc31543e1548", "g": "ca757d3ab04f5fb4", "name": "", "url": "/sns-subscription", "method": "post", "upload": false, "swaggerDoc": "", "x": 200, "y": 460, "wires": [ [ "434e9a6a93e1fe2a", "ac0df1231fb1a5c5" ] ] }, { "id": "434e9a6a93e1fe2a", "type": "http response", "z": "bdf7dc31543e1548", "g": "ca757d3ab04f5fb4", "name": "http response", "statusCode": "200", "headers": {}, "x": 380, "y": 520, "wires": [] }, { "id": "7a1c75445ef46226", "type": "function", "z": "bdf7dc31543e1548", "g": "ca757d3ab04f5fb4", "name": "SNS Notification", "func": "//Check type of incoming SNS message\nswitch (msg.payload.Type) {\n case \"SubscriptionConfirmation\":\n confirmSubscription();\n break;\n case \"Notification\":\n // Process and parse message\n processNotification();\n break;\n}\n\n// Function that parses and passes the notification to output\nfunction processNotification() {\n msg.payload.Message = safeJSONParse(msg.payload.Message);\n node.send(msg);\n}\n\n// Function that calls the AWS SNS Subscribe URL to confirm subscription\nasync function confirmSubscription() {\n try {\n node.log(\"Received SubscriptionConfirmation. Confirming subscription...\");\n const response = await fetch(msg.payload.SubscribeURL);\n const body = await response.text();\n node.log(\"Confirmed subscription.\")\n } catch (error) {\n node.error(\"Error confirming subscription: \" + error);\n }\n}\n\n// Helper function to safely parse JSON; returns original string if parsing fails\nfunction safeJSONParse(input) {\n try {\n return JSON.parse(input);\n } catch (err) {\n return input;\n }\n}\n\nreturn null;\n", "outputs": 1, "timeout": 0, "noerr": 0, "initialize": "", "finalize": "", "libs": [ { "var": "awsSdkClientSns", "module": "@aws-sdk/client-sns" }, { "var": "fetch", "module": "node-fetch" } ], "x": 580, "y": 460, "wires": [ [ "3dc91633dad35eef" ] ], "icon": "font-awesome/fa-check-square" }, { "id": "ac0df1231fb1a5c5", "type": "json", "z": "bdf7dc31543e1548", "g": "ca757d3ab04f5fb4", "name": "", "property": "payload", "action": "", "pretty": false, "x": 410, "y": 460, "wires": [ [ "7a1c75445ef46226" ] ] }, { "id": "3dc91633dad35eef", "type": "debug", "z": "bdf7dc31543e1548", "g": "ca757d3ab04f5fb4", "name": "SNS confirmation", "active": true, "tosidebar": true, "console": false, "tostatus": true, "complete": "payload", "targetType": "msg", "statusVal": "", "statusType": "counter", "x": 775, "y": 460, "wires": [], "l": false }, { "id": "79ba64f594279419", "type": "group", "z": "bdf7dc31543e1548", "name": "Setup an HTTP SNS Subscription, Registering flow endpoint /sns-subscription", "style": { "label": true }, "nodes": [ "453e8392da2d89a2", "c59c5e0a0c3cc1f0", "4a6c8bef8bb14eca" ], "x": 84, "y": 299, "w": 542, "h": 82 }, { "id": "453e8392da2d89a2", "type": "function", "z": "bdf7dc31543e1548", "g": "79ba64f594279419", "name": "Subscribe to SNS topic", "func": "// Import the SubscribeCommand from the AWS SDK v3 package\nconst { SubscribeCommand } = awsSdkClientSns;\n\n// Retrieve the client and config from the node context (set in \"On Setup\")\nconst client = this.client;\nconst config = this.config;\n\n// Define the subscription parameters\nconst params = {\n TopicArn: config.topicArn, // Your SNS topic ARN\n Protocol: \"https\", // Protocol to use for the subscription\n Endpoint: config.endpointUrl // Your Node-RED endpoint URL for receiving confirmation\n};\n\nasync function setupSubscription(){\n try {\n // Create the subscription command using the 'new' keyword\n const command = new SubscribeCommand(params);\n\n // Send the command to SNS and wait for the response\n const data = await client.send(command);\n node.log(\"Subscription request created successfully. Data: \" + JSON.stringify(data));\n\n // Attach the response to msg.payload and send the message along the flow\n msg.payload = data;\n node.send(msg);\n } catch (error) {\n node.error(\"Error creating subscription: \" + error);\n }\n}\n\n// Execute the setupSubscription function asynchronously\nsetupSubscription();\n// Return null since output is handled asynchronously via node.send()\nreturn null;\n", "outputs": 1, "timeout": 0, "noerr": 0, "initialize": "// Import required classes from the AWS SDK v3 package\nconst { SNSClient } = awsSdkClientSns;\n\n// Group configuration values in an object\nthis.config = {\n topicArn: global.get(\"SECRETS.AWS_SNS_TOPIC_ARN\"), // e.g., \"arn:aws:sns:us-west-2:811950790052:flow-sns-test\"\n accessKey: global.get(\"SECRETS.AWS_SNS_API_KEY\"),\n accessSecret: global.get(\"SECRETS.AWS_SNS_API_SECRET\"),\n region: global.get(\"SECRETS.AWS_SNS_TOPIC_REGION\"),\n endpointUrl: env.get(\"BASE_URL\") + \"/sns-subscription\" // An opened HTTP endpoint of this flow for subscription confirmation\n};\n\n// Create an SNS client instance and store it as a property of the node (this.client)\nthis.client = new SNSClient({\n region: this.config.region,\n credentials: {\n accessKeyId: this.config.accessKey,\n secretAccessKey: this.config.accessSecret\n }\n});\n\n", "finalize": "", "libs": [ { "var": "awsSdkClientSns", "module": "@aws-sdk/client-sns" } ], "x": 340, "y": 340, "wires": [ [ "4a6c8bef8bb14eca" ] ], "icon": "font-awesome/fa-eye" }, { "id": "c59c5e0a0c3cc1f0", "type": "inject", "z": "bdf7dc31543e1548", "g": "79ba64f594279419", "name": "", "props": [], "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "topic": "", "x": 145, "y": 340, "wires": [ [ "453e8392da2d89a2" ] ], "l": false }, { "id": "4a6c8bef8bb14eca", "type": "debug", "z": "bdf7dc31543e1548", "g": "79ba64f594279419", "name": "Send message", "active": true, "tosidebar": true, "console": false, "tostatus": true, "complete": "payload", "targetType": "msg", "statusVal": "", "statusType": "counter", "x": 565, "y": 340, "wires": [], "l": false } ]