import * as mongo from 'mongodb'; import * as Router from 'koa-router'; const json = require('koa-json-body'); const httpSignature = require('http-signature'); import { createHttpJob } from '../queue'; import pack from '../remote/activitypub/renderer'; import Note from '../models/note'; import User, { isLocalUser, ILocalUser, IUser } from '../models/user'; import renderNote from '../remote/activitypub/renderer/note'; import renderKey from '../remote/activitypub/renderer/key'; import renderPerson from '../remote/activitypub/renderer/person'; import Outbox from './activitypub/outbox'; import Followers from './activitypub/followers'; import Following from './activitypub/following'; // Init router const router = new Router(); //#region Routing function inbox(ctx: Router.IRouterContext) { let signature; ctx.req.headers.authorization = 'Signature ' + ctx.req.headers.signature; try { signature = httpSignature.parseRequest(ctx.req); } catch (e) { ctx.status = 401; return; } createHttpJob({ type: 'processInbox', activity: ctx.request.body, signature }); ctx.status = 202; } function isActivityPubReq(ctx: Router.IRouterContext) { ctx.response.vary('Accept'); const accepted = ctx.accepts('html', 'application/activity+json', 'application/ld+json'); return ['application/activity+json', 'application/ld+json'].includes(accepted as string); } export function setResponseType(ctx: Router.IRouterContext) { const accpet = ctx.accepts('application/activity+json', 'application/ld+json'); if (accpet === 'application/ld+json') { ctx.response.type = 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"; charset=utf-8'; } else { ctx.response.type = 'application/activity+json; charset=utf-8'; } } // inbox router.post('/inbox', json(), inbox); router.post('/users/:user/inbox', json(), inbox); // note router.get('/notes/:note', async (ctx, next) => { if (!isActivityPubReq(ctx)) return await next(); const note = await Note.findOne({ _id: new mongo.ObjectID(ctx.params.note), $or: [ { visibility: 'public' }, { visibility: 'home' } ] }); if (note === null) { ctx.status = 404; return; } ctx.body = pack(await renderNote(note, false)); setResponseType(ctx); }); // outbox router.get('/users/:user/outbox', Outbox); // followers router.get('/users/:user/followers', Followers); // following router.get('/users/:user/following', Following); // publickey router.get('/users/:user/publickey', async ctx => { const userId = new mongo.ObjectID(ctx.params.user); const user = await User.findOne({ _id: userId, host: null }); if (user === null) { ctx.status = 404; return; } if (isLocalUser(user)) { ctx.body = pack(renderKey(user)); setResponseType(ctx); } else { ctx.status = 400; } }); // user async function userInfo(ctx: Router.IRouterContext, user: IUser) { if (user === null) { ctx.status = 404; return; } ctx.body = pack(await renderPerson(user as ILocalUser)); setResponseType(ctx); } router.get('/users/:user', async ctx => { const userId = new mongo.ObjectID(ctx.params.user); const user = await User.findOne({ _id: userId, host: null }); await userInfo(ctx, user); }); router.get('/@:user', async (ctx, next) => { if (!isActivityPubReq(ctx)) return await next(); const user = await User.findOne({ usernameLower: ctx.params.user.toLowerCase(), host: null }); await userInfo(ctx, user); }); //#endregion export default router;