This is the node script that is behind https://social.joe.workers.dev/joe, https://social.joe.workers.dev/joe/outbox, and https://social.joe.workers.dev/.well-known/webfinger?resource=acct:joe@social.joe.workers.dev

index.js

addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request));
});

async function handleRequest(request) {
  const url = new URL(request.url);
  let path = url.pathname;

  // WebFinger endpoint for discovery
  if (path === '/.well-known/webfinger') {
    return handleWebFingerRequest(url);
  }

  // User profile endpoint
  if (path === '/joe') {
    return new Response(JSON.stringify(userProfile), {
      headers: { 'Content-Type': 'application/activity+json' }
    });
  }

  // User outbox endpoint
  if (path === '/joe/outbox') {
    return new Response(JSON.stringify(outbox), {
      headers: { 'Content-Type': 'application/activity+json' }
    });
  }

  // User followers endpoint (mocked)
  if (path === '/joe/followers') {
    return new Response(JSON.stringify(followers), {
      headers: { 'Content-Type': 'application/activity+json' }
    });
  }

  // Inbox endpoint (for accepting follow requests)
  if (path === '/joe/inbox') {
    return new Response(null, { status: 202 }); // Accepting but not processing
  }

  return new Response('Not Found', { status: 404 });
}

// WebFinger request handler
function handleWebFingerRequest(url) {
  const resource = url.searchParams.get('resource');
  if (resource === 'acct:joe@social.joe.workers.dev') {
    const webFingerResponse = {
      subject: resource,
      links: [
        {
          rel: 'self',
          type: 'application/activity+json',
          href: 'https://social.joe.workers.dev/joe'
        }
      ]
    };
    return new Response(JSON.stringify(webFingerResponse), {
      headers: { 'Content-Type': 'application/jrd+json' }
    });
  }
  return new Response('Resource Not Found', { status: 404 });
}

// Example user profile
const userProfile = {
  "@context": "https://www.w3.org/ns/activitystreams",
  "id": "https://social.joe.workers.dev/joe",
  "type": "Person",
  "name": "Joe Steinbring", 
  "preferredUsername": "joe",
  "inbox": "https://social.joe.workers.dev/joe/inbox",
  "outbox": "https://social.joe.workers.dev/joe/outbox",
  "followers": "https://social.joe.workers.dev/joe/followers"
};

// Example outbox with a single post
const outbox = {
  "@context": "https://www.w3.org/ns/activitystreams",
  "id": "https://social.joe.workers.dev/joe/outbox",
  "type": "OrderedCollection",
  "totalItems": 1,
  "orderedItems": [
    {
      "id": "https://social.joe.workers.dev/joe/post/1",
      "type": "Note",
      "published": "2023-11-15T12:00:00Z",
      "attributedTo": "https://social.joe.workers.dev/joe",
      "content": "Hello world!"
    }
  ]
};

// Mocked followers collection
const followers = {
  "@context": "https://www.w3.org/ns/activitystreams",
  "id": "https://social.joe.workers.dev/joe/followers",
  "type": "OrderedCollection",
  "totalItems": 0, // No followers initially
  "orderedItems": []
};