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import * as mongo from 'mongodb';
import * as Router from 'koa-router';
const json = require('koa-json-body');
const httpSignature = require('http-signature');
import { createHttp } 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 renderOrderedCollection from '../remote/activitypub/renderer/ordered-collection';
import config from '../config';
// 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;
}
createHttp({
type: 'processInbox',
activity: ctx.request.body,
signature
}).save();
ctx.status = 202;
}
function isActivityPubReq(ctx: Router.IRouterContext) {
const accepted = ctx.accepts('html', 'application/activity+json', 'application/ld+json');
return ['application/activity+json', 'application/ld+json'].includes(accepted as string);
}
// 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)
});
if (note === null) {
ctx.status = 404;
return;
}
ctx.body = pack(await renderNote(note));
});
// outbot
router.get('/users/:user/outbox', 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;
}
const notes = await Note.find({ userId: user._id }, {
limit: 10,
sort: { _id: -1 }
});
const renderedNotes = await Promise.all(notes.map(note => renderNote(note)));
const rendered = renderOrderedCollection(`${config.url}/users/${userId}/inbox`, user.notesCount, renderedNotes);
ctx.body = pack(rendered);
});
// 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));
} 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));
}
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;
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