post-to-bsky-from-zapier.js

/*
 
Zapier provides the `inputData` global.

This script assumes you've passed in three params:

- text: the post text
- url: a url to attach to the post
- status: `${text} ${url}`

When you add this to your Zap, comment the placeholder data below out.

*/

const text = 'help, i am stuck in a drivers license factory';
const url = 'http://example.com';
const status = `${text} ${url}`;

const inputData = {
  text,
  url,
  status
};

// Script begins here.
// Comment out or remove everything above.

const https = require('node:https');

const host = 'bsky.social';

// in your zap, replace with your actual credentials
const identifier = process.env.BSKY_ID;
const password = process.env.BSKY_PW;

const sessionPath = '/xrpc/com.atproto.server.createSession';
const postPath = '/xrpc/com.atproto.repo.createRecord';

// lil helper
const makeReq = (hostname, path, headers = {}, body = '', cb) => {

  const options = {
    method: 'POST',
    hostname,
    path,
    headers: {
      'Content-Type': 'application/json',
      'Accept': 'application/json'
    }
  };

  Object.assign(options.headers, headers);

  const req = https.request(options, (res) => {
    const chunks = [];

    res.on('data', (chunk) => {
      chunks.push(chunk);
    });

    res.on('end', (chunk) => {
      const resp = Buffer.concat(chunks);
      const str = resp.toString();
      const obj = JSON.parse(str);
      cb(obj);
    });

    res.on('error', (error) => {
      console.error(error);
    });
  });

  req.end(JSON.stringify(body));
};

// ok go!
makeReq(host, sessionPath, {}, { identifier, password }, res => {

  const Authorization = `Bearer ${res.accessJwt}`;

  const postBody = {
    repo: res.did, 
    collection: 'app.bsky.feed.post',
    record: {
      text: inputData.text,
      createdAt: (new Date()).toISOString(),
      embed: {
        "$type": "app.bsky.embed.external",
        external: {
          uri: inputData.url,
          title: inputData.text,
          description: inputData.text
        } 
      }
    }
  };

  makeReq(host, postPath, { Authorization }, postBody, res => {
    callback(null, {res})
  });

});

Zapier JS docs with very useful info (that i should've read in advance): https://help.zapier.com/hc/en-us/articles/8496310939021-Use-JavaScript-code-in-Zaps