Sharkey/src/server/web/index.ts

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/**
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* Web Client Server
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*/
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import ms = require('ms');
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import * as Koa from 'koa';
import * as Router from 'koa-router';
import * as send from 'koa-send';
import * as favicon from 'koa-favicon';
import * as views from 'koa-views';
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import docs from './docs';
import packFeed from './feed';
import User from '../../models/user';
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import parseAcct from '../../misc/acct/parse';
import config from '../../config';
import Note, { pack as packNote } from '../../models/note';
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import getNoteSummary from '../../misc/get-note-summary';
import fetchMeta from '../../misc/fetch-meta';
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const client = `${__dirname}/../../client/`;
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// Init app
const app = new Koa();
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// Init renderer
app.use(views(__dirname + '/views', {
extension: 'pug',
options: {
config
}
}));
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// Serve favicon
app.use(favicon(`${client}/assets/favicon.ico`));
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// Common request handler
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app.use(async (ctx, next) => {
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// IFrameの中に入れられないようにする
ctx.set('X-Frame-Options', 'DENY');
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await next();
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});
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// Init router
const router = new Router();
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//#region static assets
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router.get('/assets/*', async ctx => {
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await send(ctx, ctx.path, {
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root: client,
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maxage: ms('7 days'),
immutable: true
});
});
// Apple touch icon
router.get('/apple-touch-icon.png', async ctx => {
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await send(ctx, '/assets/apple-touch-icon.png', {
root: client
});
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});
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// ServiceWorker
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router.get(/^\/sw\.(.+?)\.js$/, async ctx => {
await send(ctx, `/assets/sw.${ctx.params[0]}.js`, {
root: client
});
});
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// Manifest
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router.get('/manifest.json', async ctx => {
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await send(ctx, '/assets/manifest.json', {
root: client
});
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});
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//#endregion
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// Docs
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router.use('/docs', docs.routes());
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// URL preview endpoint
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router.get('/url', require('./url-preview'));
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const getFeed = async (acct: string) => {
const { username, host } = parseAcct(acct);
const user = await User.findOne({
usernameLower: username.toLowerCase(),
host
});
return user && await packFeed(user);
};
// Atom
router.get('/@:user.atom', async ctx => {
const feed = await getFeed(ctx.params.user);
if (feed) {
ctx.set('Content-Type', 'application/atom+xml; charset=utf-8');
ctx.body = feed.atom1();
} else {
ctx.status = 404;
}
});
// RSS
router.get('/@:user.rss', async ctx => {
const feed = await getFeed(ctx.params.user);
if (feed) {
ctx.set('Content-Type', 'application/rss+xml; charset=utf-8');
ctx.body = feed.rss2();
} else {
ctx.status = 404;
}
});
// JSON
router.get('/@:user.json', async ctx => {
const feed = await getFeed(ctx.params.user);
if (feed) {
ctx.set('Content-Type', 'application/json; charset=utf-8');
ctx.body = feed.json1();
} else {
ctx.status = 404;
}
});
//#region for crawlers
// User
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router.get('/@:user', async (ctx, next) => {
const { username, host } = parseAcct(ctx.params.user);
const user = await User.findOne({
usernameLower: username.toLowerCase(),
host
});
if (user != null) {
await ctx.render('user', { user });
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ctx.set('Cache-Control', 'public, max-age=180');
} else {
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// リモートユーザーなので
await next();
}
});
// Note
router.get('/notes/:note', async ctx => {
const note = await Note.findOne({ _id: ctx.params.note });
if (note != null) {
const _note = await packNote(note);
await ctx.render('note', {
note: _note,
summary: getNoteSummary(_note)
});
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ctx.set('Cache-Control', 'private, max-age=0, must-revalidate');
} else {
ctx.status = 404;
}
});
//#endregion
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// Render base html for all requests
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router.get('*', async ctx => {
const meta = await fetchMeta();
await ctx.render('base', {
img: meta.bannerUrl
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});
ctx.set('Cache-Control', 'public, max-age=86400');
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});
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// Register router
app.use(router.routes());
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module.exports = app;