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import * as Router from 'koa-router';
import * as json from 'koa-json-body';
import * as httpSignature from 'http-signature';
import { renderActivity } from '../remote/activitypub/renderer';
import renderNote from '../remote/activitypub/renderer/note';
import renderKey from '../remote/activitypub/renderer/key';
import { renderPerson } from '../remote/activitypub/renderer/person';
import renderEmoji from '../remote/activitypub/renderer/emoji';
import Outbox, { packActivity } from './activitypub/outbox';
import Followers from './activitypub/followers';
import Following from './activitypub/following';
import Featured from './activitypub/featured';
import renderQuestion from '../remote/activitypub/renderer/question';
import { inbox as processInbox } from '../queue';
import { isSelfHost } from '../misc/convert-host';
import { Notes, Users, Emojis, UserKeypairs, Polls } from '../models';
import { ILocalUser, User } from '../models/entities/user';
import { In } from 'typeorm';
import { ensure } from '../prelude/ensure';
// 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, { 'headers': [] });
} catch (e) {
ctx.status = 401;
return;
}
processInbox(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 Notes.findOne({
id: ctx.params.note,
visibility: In(['public', 'home']),
localOnly: false
});
if (note == null) {
ctx.status = 404;
return;
}
// リモートだったらリダイレクト
if (note.userHost != null) {
if (note.uri == null || isSelfHost(note.userHost)) {
ctx.status = 500;
return;
}
ctx.redirect(note.uri);
return;
}
ctx.body = renderActivity(await renderNote(note, false));
ctx.set('Cache-Control', 'public, max-age=180');
setResponseType(ctx);
});
// note activity
router.get('/notes/:note/activity', async ctx => {
const note = await Notes.findOne({
id: ctx.params.note,
userHost: null,
visibility: In(['public', 'home']),
localOnly: false
});
if (note == null) {
ctx.status = 404;
return;
}
ctx.body = renderActivity(await packActivity(note));
ctx.set('Cache-Control', 'public, max-age=180');
setResponseType(ctx);
});
// question
router.get('/questions/:question', async (ctx, next) => {
const pollNote = await Notes.findOne({
id: ctx.params.question,
userHost: null,
visibility: In(['public', 'home']),
localOnly: false,
hasPoll: true
});
if (pollNote == null) {
ctx.status = 404;
return;
}
const user = await Users.findOne(pollNote.userId).then(ensure);
const poll = await Polls.findOne({ noteId: pollNote.id }).then(ensure);
ctx.body = renderActivity(await renderQuestion(user as ILocalUser, pollNote, poll));
setResponseType(ctx);
});
// outbox
router.get('/users/:user/outbox', Outbox);
// followers
router.get('/users/:user/followers', Followers);
// following
router.get('/users/:user/following', Following);
// featured
router.get('/users/:user/collections/featured', Featured);
// publickey
router.get('/users/:user/publickey', async ctx => {
const userId = ctx.params.user;
const user = await Users.findOne({
id: userId,
host: null
});
if (user == null) {
ctx.status = 404;
return;
}
const keypair = await UserKeypairs.findOne(user.id).then(ensure);
if (Users.isLocalUser(user)) {
ctx.body = renderActivity(renderKey(user, keypair));
ctx.set('Cache-Control', 'public, max-age=180');
setResponseType(ctx);
} else {
ctx.status = 400;
}
});
// user
async function userInfo(ctx: Router.IRouterContext, user: User) {
if (user == null) {
ctx.status = 404;
return;
}
ctx.body = renderActivity(await renderPerson(user as ILocalUser));
ctx.set('Cache-Control', 'public, max-age=180');
setResponseType(ctx);
}
router.get('/users/:user', async (ctx, next) => {
if (!isActivityPubReq(ctx)) return await next();
const userId = ctx.params.user;
const user = await Users.findOne({
id: userId,
host: null
}).then(ensure);
await userInfo(ctx, user);
});
router.get('/@:user', async (ctx, next) => {
if (!isActivityPubReq(ctx)) return await next();
const user = await Users.findOne({
usernameLower: ctx.params.user.toLowerCase(),
host: null
}).then(ensure);
await userInfo(ctx, user);
});
//#endregion
// emoji
router.get('/emojis/:emoji', async ctx => {
const emoji = await Emojis.findOne({
host: null,
name: ctx.params.emoji
});
if (emoji == null) {
ctx.status = 404;
return;
}
ctx.body = renderActivity(await renderEmoji(emoji));
ctx.set('Cache-Control', 'public, max-age=180');
setResponseType(ctx);
});
export default router;
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