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api/activitypub/actor.ts

@@ -1,39 +1,58 @@
 import type { VercelRequest, VercelResponse } from '@vercel/node';
 
-export default function (req: VercelRequest, res: VercelResponse) {
+export default async function (req: VercelRequest, res: VercelResponse) {
   const { headers } = req;
 
-  if ("accept" in headers) {
+  if (headers.accept && headers.accept.includes("text/html")) {
-    const accept = headers["accept"];
+    res.redirect(302, "https://coderrrrr.site/");
-    if (accept != null && accept.split(",").indexOf("text/html") > -1) {
+    return;
-      return res.redirect(302, "https://coderrrrr.site/").end();
-    }
   }
 
-  res.statusCode = 200;
+  res.status(200).setHeader("Content-Type", "application/activity+json").json({
-  res.setHeader("Content-Type", `application/activity+json`);
+    "@context": ["https://www.w3.org/ns/activitystreams", { "@language": "en-US" }],
-  res.json({
-    "@context": ["https://www.w3.org/ns/activitystreams", { "@language": "en- US" }],
     "type": "Person",
     "id": "https://coderrrrr.site/coder",
-    "outbox": "https://coderrrrr.site/outbox",
+    "outbox": "https://coderrrrr.site/api/activitypub/outbox",
-    "following": "https://coderrrrr.site/following",
+    "following": "https://coderrrrr.site/api/activitypub/following",
-    "followers": "https://coderrrrr.site/followers",
+    "followers": "https://coderrrrr.site/api/activitypub/followers",
-    "inbox": "https://coderrrrr.site/inbox",
+    "sharedInbox": "https://coderrrrr.site/api/activitypub/sharedInbox",
+    "inbox": "https://coderrrrr.site/api/activitypub/inbox",
     "preferredUsername": "coder",
     "name": "Deva Midhun's blog",
-    "summary": "",
+    "discoverable": true,
+    "indexable": true,
+    "summary": "Software developer & self-hosting enthusiast.",
     "icon": {
       "type": "Image",
       "mediaType": "image/png",
       "url": "https://i.ibb.co/N6J5b8WS/download20250102015611.png"
     },
+    "url": [
+      {
+        "type": "Link",
+        "mediaType": "text/html",
+        "href": "https://coderrrrr.site",
+        "name": "Website"
+      },
+      {
+        "type": "Link",
+        "mediaType": "text/html",
+        "href": "https://github.com/turbomaster95",
+        "name": "GitHub"
+      },
+      {
+        "type": "Link",
+        "mediaType": "text/html",
+        "href": "https://usr.cloud/@coder",
+        "name": "Owner"
+      }
+    ],
     "publicKey": {
       "@context": "https://w3id.org/security/v1",
       "@type": "Key",
       "id": "https://coderrrrr.site/coder#main-key",
       "owner": "https://coderrrrr.site/coder",
-      "publicKeyPem": process.env.ACTIVITYPUB_PUBLIC_KEY
+      "publicKeyPem": process.env.ACTIVITYPUB_PUBLIC_KEY || "MISSING_PUBLIC_KEY"
     }
   });
 }

api/activitypub/authorize_interaction.ts

@@ -1,6 +1,6 @@
 import type { VercelRequest, VercelResponse } from '@vercel/node';
 
-export default function (req: VercelRequest, res: VercelResponse) {
+export default async function (req: VercelRequest, res: VercelResponse) {
   res.statusCode = 200;
   res.setHeader("Content-Type", `application/jrd+json`);
   res.end('ok');

api/activitypub/following.ts

@@ -1,6 +1,6 @@
 import type { VercelRequest, VercelResponse } from '@vercel/node';
 
-export default function (req: VercelRequest, res: VercelResponse) {
+export default async function (req: VercelRequest, res: VercelResponse) {
   const output = {
     "@context": "https://www.w3.org/ns/activitystreams",
     "id": "https://coderrrrr.site/api/activitypub/following",

api/activitypub/outbox.ts

@@ -8,7 +8,7 @@ import { readFileSync } from 'fs';
 
   It's a GET request. This doesn't post it to anyone's timeline.
 */
-export default function (req: VercelRequest, res: VercelResponse) {
+export default async function (req: VercelRequest, res: VercelResponse) {
   // All of the outbox data is generated at build time, so just return that static file.
   const file = join(cwd(), 'public', 'outbox.ajson');
   const stringified = readFileSync(file, 'utf8');

api/activitypub/sendNote.ts

@@ -19,102 +19,73 @@ if (!admin.apps.length) {
 
 const db = admin.firestore();
 
-/*
-  Sends the latest not that hasn't yet been sent.
-*/
 export default async function (req: VercelRequest, res: VercelResponse) {
-  const { body, query, method, url, headers } = req;
+  if (req.headers.authorization !== `Bearer ${process.env.CRON_SECRET}`) {
-
-  if (
-    headers.authorization !== `Bearer ${process.env.CRON_SECRET}`
-  ) {
     return res.status(401).end("Unauthorized");
   }
 
-  const configCollection = db.collection('config');
+  const configRef = db.collection('config').doc("config");
-  const configRef = configCollection.doc("config");
   const config = await configRef.get();
+  const lastId = config.exists ? config.data()?.lastId || "" : "";
 
-  if (config.exists == false) {
+  // Fetch notes from outbox
-    // Config doesn't exist, make something
+  const outboxResponse = await fetch("https://coderrrrr.site/api/activitypub/outbox");
-    configRef.set({
+  const outbox = <OrderedCollection> await outboxResponse.json();
-      "lastId": ""
-    });
-  }
-
-  const configData = config.data();
-  let lastId = "";
-  if (configData != undefined) {
-    lastId = configData.lastId;
-  }
-
-  // Get my outbox because it contains all my notes.
-  const outboxResponse = await fetch('https://coderrrrr.site/outbox');
-  const outbox = <OrderedCollection>(await outboxResponse.json());
-
-  const followersCollection = db.collection('followers');
-  const followersQuerySnapshot = await followersCollection.get();
 
+  const followersSnapshot = await db.collection('followers').get();
   let lastSuccessfulSentId = "";
 
-  for (const followerDoc of followersQuerySnapshot.docs) {
+  const inboxes = new Set<string>(); // Track unique inboxes to avoid duplicate sending
+
+  for (const followerDoc of followersSnapshot.docs) {
     const follower = followerDoc.data();
-    try {
+    const actorUrl = typeof follower.actor === "string" ? follower.actor : follower.actor.id;
-      const actorUrl = (typeof follower.actor == "string") ? follower.actor : follower.actor.id;
-      console.log(`Fetching actor information for ${actorUrl}`)
-      const actorInformation = await fetchActorInformation(actorUrl);
-      if (actorInformation == undefined) {
-        // We can't send to this actor, so skip the actor. We should log it.
-        continue;
-      }
-    
-      if (actorInformation.inbox == undefined) { 
-        console.log(
-          `Actor ${actorUrl} doesn't have an inbox, so we can't send to them. ${actorInformation}`
-        );
-      }
-      const actorInbox = new URL(actorInformation.inbox.toString());
 
-      for (const iteIdx in (<AP.EntityReference[]>outbox.orderedItems)) {
+    console.log(`Fetching actor information for ${actorUrl}`);
-        // We have to break somewhere... do it after the first.
+    const actorInformation = await fetchActorInformation(actorUrl);
-        const item = (<AP.EntityReference[]>outbox.orderedItems)[iteIdx];
+    if (!actorInformation || !actorInformation.inbox) {
-       
+      console.log(`Skipping ${actorUrl}: No valid inbox`);
-        console.log(`Checking ID ${item.id}, ${lastId}`);
+      continue;
-        if (item.id == `${lastId}`) {
-          lastSuccessfulSentId = item.id;
-          // We've already posted this, don't try and send it again.
-          console.log(`${item.id} has already been posted - don't attempt`)
-          break;
-        }
-       
-        if (item.object != undefined) {
-          // We might not need this.
-          item.object.published = (new Date()).toISOString();
-        }
-
-        // Item will be an entity, i.e, { Create { Note } }
-        try {
-          console.log(`Sending to ${actorInbox}`);
-
-          const response = await sendSignedRequest(actorInbox, <AP.Activity> item);
-          console.log(`Send result: ${actorInbox}`, response.status, response.statusText, await response.text());
-
-          // It's not been sent.
-          lastSuccessfulSentId = item.id; // we shouldn't really set this every time.
-        } catch (sendSignedError) {
-          console.log("Error sending signed request", sendSignedError)
-        }
-
-        break; // At some point we might want to post more than one post, so remove this.
-      }
-    } catch (ex) {
-      console.log("Error", ex);
     }
+
+    const inboxUrl = actorInformation.sharedInbox || actorInformation.inbox;
+    inboxes.add(inboxUrl.toString()); // Add to set to ensure unique delivery
   }
 
-  configRef.set({
+  for (const item of <AP.EntityReference[]>outbox.orderedItems) {
-    "lastId": lastSuccessfulSentId
+    if (item.id === lastId) {
-  });
+      console.log(`${item.id} has already been posted - skipping`);
+      break;
+    }
+
+    if (item.object) {
+      item.object.published = new Date().toISOString();
+    }
+
+    for (const inboxUrl of inboxes) {
+      try {
+        console.log(`Sending to ${inboxUrl}`);
+
+        const response = await sendSignedRequest(new URL(inboxUrl), <AP.Activity> item, {
+          headers: {
+            "Accept": "application/activity+json",
+            "Content-Type": "application/activity+json"
+          }
+        });
+
+        console.log(`Send result: ${response.status} ${response.statusText}`);
+        const responseText = await response.text();
+        console.log("Response body:", responseText);
+
+        lastSuccessfulSentId = item.id;
+      } catch (error) {
+        console.error(`Error sending to ${inboxUrl}:`, error);
+      }
+    }
+    break; // Only send the latest post for now
+  }
+
+  await configRef.set({ "lastId": lastSuccessfulSentId });
 
   res.status(200).end("ok");
 };

lib/activitypub/utils/verifySignature.js

@@ -1,4 +1,4 @@
-export function verifySignature(signature:any, publicKeyJson:any) {
+function verifySignature(signature:any, publicKeyJson:any) {
   let signatureValid;
 
   try {

package.json

@@ -1,6 +1,5 @@
 {
   "name": "coderrrrr.site",
-  "type": "module",
   "devDependencies": {
     "@types/bun": "latest"
   },

vercel.json

@@ -47,6 +47,10 @@
       "source": "/inbox",
       "destination": "/api/activitypub/inbox.ts"
     },
+    {
+      "source": "/sharedInbox",
+      "destination": "/api/activitypub/sharedInbox.ts"
+    },
     {
       "source": "/outbox",
       "destination": "/api/activitypub/outbox.ts"
@@ -54,7 +58,7 @@
   ],
   "headers": [
     {
-      "source": "/(.*).ajson",
+      "source": "/(.*).json",
       "headers": [
         {
           "key": "content-type",