Implement outbox

src/server/activitypub/outbox.ts

@@ -0,0 +1,45 @@
+import * as express from 'express';
+import context from '../../common/remote/activitypub/renderer/context';
+import renderNote from '../../common/remote/activitypub/renderer/note';
+import renderOrderedCollection from '../../common/remote/activitypub/renderer/ordered-collection';
+import parseAcct from '../../common/user/parse-acct';
+import config from '../../conf';
+import Post from '../../models/post';
+import User from '../../models/user';
+
+const app = express();
+app.disable('x-powered-by');
+
+app.get('/@:user/outbox', async (req, res) => {
+	const { username, host } = parseAcct(req.params.user);
+	if (host !== null) {
+		return res.sendStatus(422);
+	}
+
+	const user = await User.findOne({
+		usernameLower: username.toLowerCase(),
+		host: null
+	});
+	if (user === null) {
+		return res.sendStatus(404);
+	}
+
+	const id = `${config.url}/@${user.username}/inbox`;
+
+	if (username !== user.username) {
+		return res.redirect(id);
+	}
+
+	const posts = await Post.find({ userId: user._id }, {
+		limit: 20,
+		sort: { _id: -1 }
+	});
+
+	const renderedPosts = await Promise.all(posts.map(post => renderNote(user, post)));
+	const rendered = renderOrderedCollection(id, user.postsCount, renderedPosts);
+	rendered['@context'] = context;
+
+	res.json(rendered);
+});
+
+export default app;