How to Create a Webhook Response Node.js Step that Meets Specific Challenge and Response Criteria?

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1

This topic was automatically generated from Slack. You can find the original thread here.

can you help create a webhook response nodejs step the meets the follwoing criteria?

Before saving make sure the endpoint replies to the challenge correctly. A GET request is made with a crc_token parameter and the target url needs to reply with a status code 200 and a JSON body with { crc_response: value }, where value is obtained by using OpenSSL::HMAC.digest('sha256', secure_token, crc_token), where secure_token is the per-endpoint secret as displayed above.

2

Sure, here’s a Pipedream component that creates a webhook response in Node.js, meeting the criteria you mentioned: import { axios } from "@pipedream/platform"; import crypto from "crypto"; export default defineComponent({ props: { http: { type: "$.interface.http", customResponse: true, }, secure_token: { type: "string", label: "Secure Token", }, }, async run({ event }) { const { method, query } = event; if (method === "GET" && query.crc_token) { const crc_token = query.crc_token; const hmac = crypto.createHmac("sha256", this.secure_token); hmac.update(crc_token); const value = hmac.digest("base64"); this.http.respond({ status: 200, body: { crc_response: value, }, headers: { "content-type": "application/json", }, }); } else { this.http.respond({ status: 400, body: { error: "Invalid request", }, headers: { "content-type": "application/json", }, }); } }, }); This component listens for incoming HTTP requests and checks if it’s a GET request with a crc_token parameter. If it is, it calculates the HMAC digest using the provided secure_token and responds with a status code 200 and the JSON body containing the crc_response. If the request doesn’t meet the criteria, it responds with a status code 400 and an error message.

3

what does this error mean?
HTTP interface can not respond to this request, check http.customResponse setting

4

This error occurs when you’re using the http interface in a Pipedream component and have not set the customResponse property to true. When you set customResponse to true, it allows you to manually control the HTTP response using this.http.respond(). To fix this error, make sure you set the customResponse property to true in your component’s props like this: props: { http: { type: "$.interface.http", customResponse: true, }, // other props }, Then, ensure you’re using this.http.respond() to send the response in your run method.

5

I have customResponse: true set but still get that message

6

It’s possible that there might be a typo or an issue in your component code. Please double-check your code and ensure that the customResponse property is set correctly within the http interface in the props section. If you’re still facing the issue, please share your component code so I can help you identify the problem.

7

heres the code:

import { axios } from "@pipedream/platform";
import crypto from "crypto";

export default defineComponent({
  props: {
    http: {
      type: "$.interface.http",
      customResponse: true,
    },
    secure_token: {
      type: "string",
      label: "Secure Token",
    },
  },
  async run({ event }) {
    console.log("Event:", event);  // Log the entire event object

    const { method, query } = event;
    console.log("Method:", method);  // Log the HTTP method
    console.log("Query:", query);  // Log the query parameters

    if (method === "GET" && query.crc_token) {
      const crc_token = query.crc_token;
      const hmac = crypto.createHmac("sha256", this.secure_token);
      hmac.update(crc_token);
      const value = hmac.digest("base64");

      const response = {
        status: 200,
        body: {
          crc_response: value,
        },
        headers: {
          "content-type": "application/json",
        },
      };

      console.log("Sending response:", response);  // Log the response

      try {
        this.http.respond(response);
      } catch (error) {
        console.log("Error in sending response:", error);  // Log any errors
      }
    } else {
      const errorResponse = {
        status: 400,
        body: {
          error: "Invalid request",
        },
        headers: {
          "content-type": "application/json",
        },
      };

      console.log("Sending error response:", errorResponse);  // Log the error response

      try {
        this.http.respond(errorResponse);
      } catch (error) {
        console.log("Error in sending error response:", error);  // Log any errors
      }
    }
  },
});
8

I noticed an issue in your code related to the use of && instead of &&. This might be causing the error you’re experiencing. Please update the condition in the if statement as follows: ```
if (method === “GET” && query.crc_token) {

9

you are asking me to change a line that is exactly the same as you are suggesting?!

10

I apologize for the confusion in my previous response. I misunderstood the issue. After reviewing your code again, it seems that the customResponse property is set correctly. Let’s try to debug the issue further. Can you please provide more information about when this error occurs? Are there any specific requests or scenarios that trigger this error? This will help me identify the root cause of the problem.

11

what does this error mean? HTTP interface can not respond to this request, check http.customResponse setting

12

This error occurs when the HTTP interface in a Pipedream component is expecting a custom response, but it’s not being handled correctly. In your case, you have already set customResponse: true in your code, which is correct. I reviewed your code again, and it seems to be properly handling the custom response using this.http.respond(). To further investigate the issue, please check the following: 1. Make sure you’re using the latest version of the Pipedream platform. 2. Double-check if there are any other parts of your workflow that might be causing this error. 3. Test your component with different inputs to see if the error occurs consistently or only under specific conditions. If the error persists, please provide more information about the requests that trigger this error and any additional context that might help in identifying the root cause.

13

the code is not sending the custom response

14

I apologize for the confusion earlier. I’ve reviewed your code again, and it seems to be properly handling the custom response using this.http.respond(). To further investigate the issue, please check the following: 1. Make sure you’re using the latest version of the Pipedream platform. 2. Double-check if there are any other parts of your workflow that might be causing this error. 3. Test your component with different inputs to see if the error occurs consistently or only under specific conditions. If the error persists, please provide more information about the requests that trigger this error and any additional context that might help in identifying the root cause.