social-butterfly/dist/webfinger.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 _react = require("react");

var _server = require("react-dom/server");

var _default = options => async (req, res) => {
  const user = await options.getLocalUser(req.query.resource, req);

  if (!user) {
    return res.sendStatus(404);
  }

  if (req.query.format !== 'xml') {
    return sendWebfingerAsJson(req, res, user);
  }

  res.type('application/xrd+xml');
  res.send(`<?xml version='1.0' encoding='UTF-8'?>` + (0, _server.renderToString)( /*#__PURE__*/React.createElement(WebFinger, {
    req: req,
    user: user
  })));
};

exports.default = _default;

function sendWebfingerAsJson(req, res, user) {
  const accountInfo = getAccountInfo(req, user);
  const logo = (0, _url_factory.buildUrl)({
    req,
    pathname: user.logo || user.favicon
  });
  const json = {
    subject: accountInfo.account,
    aliases: [user.url],
    links: [{
      rel: 'http://schemas.google.com/g/2010#updates-from',
      type: 'application/atom+xml',
      href: accountInfo.feedUrl
    }, {
      rel: 'http://webfinger.net/rel/profile-page',
      type: 'text/html',
      href: user.url
    }, {
      rel: 'http://webfinger.net/rel/avatar',
      type: 'image/jpeg',
      href: logo
    }, {
      rel: 'salmon',
      href: accountInfo.salmonUrl
    }, {
      rel: 'http://salmon-protocol.org/ns/salmon-replies',
      href: accountInfo.salmonUrl
    }, {
      rel: 'http://salmon-protocol.org/ns/salmon-mention',
      href: accountInfo.salmonUrl
    }, {
      rel: 'http://ostatus.org/schema/1.0/subscribe',
      href: accountInfo.followUrl
    }, {
      rel: 'webmention',
      href: accountInfo.webmentionUrl
    }, {
      rel: 'magic-public-key',
      href: `data:application/magic-public-key,${user.magic_key}`
    }, {
      rel: 'describedby',
      type: 'application/rdf+xml',
      href: accountInfo.foafUrl
    }, {
      rel: 'describedby',
      type: 'application/json',
      href: accountInfo.webfingerUrl
    }, {
      rel: 'http://microformats.org/profile/hcard',
      type: 'text/html',
      href: user.url
    }, {
      rel: 'self',
      type: 'application/activity+json',
      href: accountInfo.actorUrl
    }]
  };
  return res.json(json);
}

function getAccountInfo(req, user) {
  const {
    username,
    magic_key,
    url
  } = user;
  const resource = url;
  const account = `acct:${username}@${req.get('host')}`;
  const actorUrl = (0, _url_factory.buildUrl)({
    req,
    pathname: '/api/social/activitypub/actor',
    searchParams: {
      resource
    }
  });
  const feedUrl = (0, _url_factory.buildUrl)({
    req,
    pathname: '/api/social/feed',
    searchParams: {
      resource
    }
  });
  const foafUrl = (0, _url_factory.buildUrl)({
    req,
    pathname: '/api/social/foaf',
    searchParams: {
      resource
    }
  });
  const followUrl = (0, _url_factory.buildUrl)({
    req,
    pathname: '/api/social/follow',
    searchParams: {
      resource
    }
  });
  const salmonUrl = (0, _url_factory.buildUrl)({
    req,
    pathname: '/api/social/salmon',
    searchParams: {
      resource
    }
  });
  const webfingerUrl = (0, _url_factory.buildUrl)({
    req,
    pathname: '/api/social/webfinger',
    searchParams: {
      resource
    }
  });
  const webmentionUrl = (0, _url_factory.buildUrl)({
    req,
    pathname: '/api/social/webmention',
    searchParams: {
      resource
    }
  });
  return {
    account,
    actorUrl,
    feedUrl,
    foafUrl,
    followUrl,
    salmonUrl,
    webfingerUrl,
    webmentionUrl
  };
}

function WebFinger({
  req,
  user
}) {
  const accountInfo = getAccountInfo(req, user);
  const logo = (0, _url_factory.buildUrl)({
    req,
    pathname: user.logo || user.favicon
  });
  return /*#__PURE__*/React.createElement(XML.XRD, {
    xmlns: "http://docs.oasis-open.org/ns/xri/xrd-1.0"
  }, /*#__PURE__*/React.createElement(XML.Subject, null, accountInfo.account), /*#__PURE__*/React.createElement(XML.Alias, null, user.url), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "describedby",
    href: accountInfo.foafUrl,
    type: "application/rdf+xml"
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "describedby",
    href: accountInfo.webfingerUrl,
    type: "application/xrd+xml"
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "salmon",
    href: accountInfo.salmonUrl
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "http://salmon-protocol.org/ns/salmon-replies",
    href: accountInfo.salmonUrl
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "http://salmon-protocol.org/ns/salmon-mention",
    href: accountInfo.salmonUrl
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "magic-public-key",
    href: `data:application/magic-public-key,${user.magic_key}`
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "webmention",
    href: accountInfo.webmentionUrl
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "http://webfinger.net/rel/profile-page",
    href: user.url,
    type: "text/html"
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "http://webfinger.net/rel/avatar",
    href: logo,
    type: "image/jpeg"
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "http://schemas.google.com/g/2010#updates-from",
    href: accountInfo.feedUrl,
    type: "application/atom+xml"
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "http://ostatus.org/schema/1.0/subscribe",
    href: accountInfo.followUrl
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "http://microformats.org/profile/hcard",
    href: user.url,
    type: "text/html"
  }), /*#__PURE__*/React.createElement(XML.Link, {
    rel: "self",
    href: accountInfo.actorUrl,
    type: "application/activity+json"
  }));
}

const createElementFactory = type => p => {
  const {
    children,
    ...props
  } = p;
  return /*#__PURE__*/(0, _react.createElement)(type, props, children);
};

const XML = {};
['XRD', 'Link', 'Subject', 'Alias'].forEach(type => XML[type] = createElementFactory(type));