From fabf233478ad79488cd95b1fcfb511a0c5d348bb Mon Sep 17 00:00:00 2001
From: Akihiko Odaki <nekomanma@pixiv.co.jp>
Date: Sun, 1 Apr 2018 15:58:49 +0900
Subject: Implement inbox

---
 src/server/activitypub/user.ts | 62 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/server/activitypub/user.ts

(limited to 'src/server/activitypub/user.ts')

diff --git a/src/server/activitypub/user.ts b/src/server/activitypub/user.ts
new file mode 100644
index 0000000000..488de93a92
--- /dev/null
+++ b/src/server/activitypub/user.ts
@@ -0,0 +1,62 @@
+import * as express from 'express';
+import config from '../../conf';
+import { extractPublic } from '../../crypto_key';
+import parseAcct from '../../common/user/parse-acct';
+import User, { ILocalAccount } from '../../models/user';
+
+const app = express();
+app.disable('x-powered-by');
+
+app.get('/@:user', async (req, res, next) => {
+	const accepted = req.accepts(['html', 'application/activity+json', 'application/ld+json']);
+	if (!(['application/activity+json', 'application/ld+json'] as Array<any>).includes(accepted)) {
+		return next();
+	}
+
+	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}`;
+
+	if (username !== user.username) {
+		return res.redirect(id);
+	}
+
+	res.json({
+		'@context': [
+			'https://www.w3.org/ns/activitystreams',
+			'https://w3id.org/security/v1'
+		],
+		type: 'Person',
+		id,
+		inbox: `${id}/inbox`,
+		preferredUsername: user.username,
+		name: user.name,
+		summary: user.description,
+		icon: user.avatarId && {
+			type: 'Image',
+			url: `${config.drive_url}/${user.avatarId}`
+		},
+		image: user.bannerId && {
+			type: 'Image',
+			url: `${config.drive_url}/${user.bannerId}`
+		},
+		publicKey: {
+			type: 'Key',
+			owner: id,
+			publicKeyPem: extractPublic((user.account as ILocalAccount).keypair)
+		}
+	});
+});
+
+export default app;
-- 
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