social-butterfly/dist/oembed.js

Incorporate federated social network protocols easily. Used with Hello, world federated blog.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _url_factory = require("./util/url_factory");

var _default = options => async (req, res, next) => {
  const {
    constants,
    getLocalUser,
    getLocalContent
  } = options;
  const contentOwner = await getLocalUser(req.query.resource, req);
  const content = await getLocalContent(req.query.resource, req);

  if (!contentOwner || !content) {
    return res.sendStatus(404);
  }

  const thumb = (0, _url_factory.buildUrl)({
    req,
    pathname: content?.thumb || contentOwner.logo || contentOwner.favicon
  }); // If thumb is present, present that as the embed, otherwise it's just the title sadly for now.

  let htmlContent = thumb ? `<img src="${thumb}" alt="thumbnail" title="${content.title}" />` : content.title; // Escape the less than/greater than signs.

  htmlContent = htmlContent.replace(/</g, '\u003c').replace(/>/g, '\u003e'); // If your server has a hookup to listen to /api/stats you can get info on amount of times your content has been read.

  const statsUrl = (0, _url_factory.buildUrl)({
    req,
    pathname: '/api/stats',
    searchParams: {
      resource: content.url
    }
  });
  const statsImg = `<img src="${statsUrl}" alt="stats" />`;
  res.type('application/json+oembed');
  res.json({
    type: 'rich',
    version: '1.0',
    provider_url: (0, _url_factory.buildUrl)({
      req,
      pathname: '/'
    }),
    title: content.title,
    author_name: content.username,
    author_url: contentOwner.url,
    provider_name: contentOwner.title ? contentOwner.title : undefined,
    width: thumb ? constants.thumbWidth : undefined,
    height: thumb ? constants.thumbHeight : undefined,
    thumbnail_width: thumb ? constants.thumbWidth : undefined,
    thumbnail_height: thumb ? constants.thumbHeight : undefined,
    thumbnail_url: thumb || undefined,
    html: `<a href="${content.url}">${htmlContent}</a>${statsImg}`
  });
};

exports.default = _default;