express-activitypub/routes/user.js

'use strict';
const express = require('express'),
      router = express.Router();

router.get('/:name', function (req, res) {
  let name = req.params.name;
  if (!name) {
    return res.status(400).send('Bad request.');
  }
  else {
    let db = req.app.get('db');
    let domain = req.app.get('domain');
    let username = name;
    name = `${name}@${domain}`;
    db.get('select actor from accounts where name = $name', {$name: name}, (err, result) => {
      if (result === undefined) {
        return res.status(404).send(`No record found for ${name}.`);
      }
      else {
				let tempActor = JSON.parse(result.actor);
				// Added this followers URI for Pleroma compatibility, see https://github.com/dariusk/rss-to-activitypub/issues/11#issuecomment-471390881
				// New Actors should have this followers URI but in case of migration from an old version this will add it in on the fly
				if (tempActor.followers === undefined) {
					tempActor.followers = `https://${domain}/u/${username}/followers`;
				}
				res.json(tempActor);
      }
    });
  }
});

router.get('/:name/followers', function (req, res) {
  let name = req.params.name;
  if (!name) {
    return res.status(400).send('Bad request.');
  }
  else {
    let db = req.app.get('db');
    let domain = req.app.get('domain');
    let result = db.prepare('select followers from accounts where name = ?').get(`${name}@${domain}`);
    let followers = JSON.parse(result.followers);
    if (!followers) {
      followers = [];
    }
    let followersCollection = {
      "type":"OrderedCollection",
      "totalItems":followers.length,
      "id":`https://${domain}/u/${name}/followers`,
      "first": {
        "type":"OrderedCollectionPage",
        "totalItems":followers.length,
        "partOf":`https://${domain}/u/${name}/followers`,
        "orderedItems": followers,
        "id":`https://${domain}/u/${name}/followers?page=1`
      },
      "@context":["https://www.w3.org/ns/activitystreams"]
    };
    res.json(followersCollection);
  }
});

module.exports = router;