import * as mongo from 'mongodb'; import * as Router from 'koa-router'; import config from '../config'; import parseAcct from '../misc/acct/parse'; import User, { IUser } from '../models/user'; // Init router const router = new Router(); router.get('/.well-known/webfinger', async ctx => { if (typeof ctx.query.resource !== 'string') { ctx.status = 400; return; } const resourceLower = ctx.query.resource.toLowerCase(); let acctLower; let id; if (resourceLower.startsWith(config.url.toLowerCase() + '/@')) { acctLower = resourceLower.split('/').pop(); } else if (resourceLower.startsWith(config.url.toLowerCase() + '/users/')) { id = new mongo.ObjectID(resourceLower.split('/').pop()); } else if (resourceLower.startsWith('acct:')) { acctLower = resourceLower.slice('acct:'.length); } else { acctLower = resourceLower; } let user: IUser; if (acctLower) { const parsedAcctLower = parseAcct(acctLower); if (![null, config.host.toLowerCase()].includes(parsedAcctLower.host)) { ctx.status = 422; return; } user = await User.findOne({ usernameLower: parsedAcctLower.username, host: null }); } else { user = await User.findOne({ _id: id, host: null }); } if (user === null) { ctx.status = 404; return; } ctx.body = { subject: `acct:${user.username}@${config.host}`, links: [{ rel: 'self', type: 'application/activity+json', href: `${config.url}/users/${user._id}` }, { rel: 'http://webfinger.net/rel/profile-page', type: 'text/html', href: `${config.url}/@${user.username}` }, { rel: 'http://ostatus.org/schema/1.0/subscribe', template: `${config.url}/authorize-follow?acct={uri}` }] }; ctx.set('Cache-Control', 'public, max-age=180'); }); export default router;