From 2c3f8e55d6df4fb401858e0527ae717fa9ebc851 Mon Sep 17 00:00:00 2001
From: Robbie Antenesse <dev@alamantus.com>
Date: Thu, 10 Jan 2019 16:57:11 -0700
Subject: [PATCH] Add optional endpoints for webfinger and actor

---
 routes/activitypub/get_actor.js     | 27 +++++++++++++++++++++++++++
 routes/activitypub/get_webfinger.js | 19 +++++++++++++++++++
 server.js                           |  5 +++++
 settings.example.json               |  5 ++++-
 4 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 routes/activitypub/get_actor.js
 create mode 100644 routes/activitypub/get_webfinger.js

diff --git a/routes/activitypub/get_actor.js b/routes/activitypub/get_actor.js
new file mode 100644
index 0000000..999b647
--- /dev/null
+++ b/routes/activitypub/get_actor.js
@@ -0,0 +1,27 @@
+const settings = require('../../settings.json');
+
+module.exports = function (app) {
+  app.server.get('/activitypub/actor', function (req, res) {
+    const actor = JSON.stringify({
+      '@context': [
+        'https://www.w3.org/ns/activitystreams',
+        'https://w3id.org/security/v1',
+      ],
+
+      id: `https://${settings.domain}/activitypub/actor`,
+      type: 'Person',
+      preferredUsername: 'shelf',
+      inbox: `https://${settings.domain}/activitypub/inbox`,
+      outbox: `https://${settings.domain}/activitypub/outbox`,
+
+      publicKey: {
+        id: `https://${settings.domain}/activitypub/actor#main-key`,
+        owner: `https://${settings.domain}/activitypub/actor`,
+        publicKeyPem: settings.publicKey,
+      }
+    });
+
+    res.setHeader('Content-Type', 'application/activity+json');
+    res.send(actor);
+  });
+}
\ No newline at end of file
diff --git a/routes/activitypub/get_webfinger.js b/routes/activitypub/get_webfinger.js
new file mode 100644
index 0000000..ebd66ec
--- /dev/null
+++ b/routes/activitypub/get_webfinger.js
@@ -0,0 +1,19 @@
+const settings = require('../../settings.json');
+
+module.exports = function (app) {
+  app.server.get('/.well-known/webfinger', function (req, res) {
+    const webfinger = JSON.stringify({
+      subject: `acct:shelf@${settings.domain}`,
+      links: [
+        {
+          rel: 'self',
+          type: 'application/activity+json',
+          href: `https://${settings.domain}/activitypub/actor`,
+        }
+      ]
+    });
+
+    res.setHeader('Content-Type', 'application/activity+json');
+    res.send(webfinger);
+  });
+}
\ No newline at end of file
diff --git a/server.js b/server.js
index 31de42f..98e68dd 100644
--- a/server.js
+++ b/server.js
@@ -50,6 +50,11 @@ function Server () {
   require('./routes/post_tools')(this);
 
   require('./routes/socketio')(this);
+
+  if (settings.federate) {
+    require('./routes/activitypub/get_webfinger')(this);
+    require('./routes/activitypub/get_actor')(this);
+  }
 }
 
 Server.prototype.replaceBodyWithTooManyBooksWarning = function (body) {
diff --git a/settings.example.json b/settings.example.json
index 11c442f..73bbe47 100644
--- a/settings.example.json
+++ b/settings.example.json
@@ -13,5 +13,8 @@
   "sslPrivateKey": null,
   "sslCertificate": null,
   "sslCertificateAuthority": null,
-  "forceHTTPS": false
+  "forceHTTPS": false,
+  "federate": true,
+  "domain": "localhost",
+  "publicKey": null
 }
\ No newline at end of file