paricafe/src/server/web/index.ts
2020-06-27 23:25:06 +09:00

351 lines
8 KiB
TypeScript

/**
* Web Client Server
*/
import * as os from 'os';
import * as fs from 'fs';
import ms = require('ms');
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';
import * as glob from 'glob';
import * as MarkdownIt from 'markdown-it';
import packFeed from './feed';
import { fetchMeta } from '../../misc/fetch-meta';
import { genOpenapiSpec } from '../api/openapi/gen-spec';
import config from '../../config';
import { Users, Notes, Emojis, UserProfiles, Pages } from '../../models';
import parseAcct from '../../misc/acct/parse';
import getNoteSummary from '../../misc/get-note-summary';
import { ensure } from '../../prelude/ensure';
import { getConnection } from 'typeorm';
import redis from '../../db/redis';
import locales = require('../../../locales');
const markdown = MarkdownIt({
html: true
});
const client = `${__dirname}/../../client/`;
// Init app
const app = new Koa();
// Init renderer
app.use(views(__dirname + '/views', {
extension: 'pug',
options: {
version: config.version,
config
}
}));
// Serve favicon
app.use(favicon(`${__dirname}/../../../assets/favicon.png`));
// Common request handler
app.use(async (ctx, next) => {
// IFrameの中に入れられないようにする
ctx.set('X-Frame-Options', 'DENY');
await next();
});
// Init router
const router = new Router();
//#region static assets
router.get('/assets/(.*)', async ctx => {
await send(ctx as any, ctx.path, {
root: client,
maxage: ms('7 days'),
});
});
// Apple touch icon
router.get('/apple-touch-icon.png', async ctx => {
await send(ctx as any, '/assets/apple-touch-icon.png', {
root: client
});
});
// ServiceWorker
router.get(/^\/sw\.(.+?)\.js$/, async ctx => {
await send(ctx as any, `/assets/sw.${ctx.params[0]}.js`, {
root: client
});
});
// Manifest
router.get('/manifest.json', require('./manifest'));
router.get('/robots.txt', async ctx => {
await send(ctx as any, '/assets/robots.txt', {
root: client
});
});
//#endregion
// Docs
router.get('/api-doc', async ctx => {
await send(ctx as any, '/assets/redoc.html', {
root: client
});
});
// URL preview endpoint
router.get('/url', require('./url-preview'));
router.get('/api.json', async ctx => {
ctx.body = genOpenapiSpec();
});
router.get('/docs.json', async ctx => {
const lang = ctx.query.lang;
if (!Object.keys(locales).includes(lang)) {
ctx.body = [];
return;
}
const paths = glob.sync(__dirname + `/../../../src/docs/*.${lang}.md`);
const docs: { path: string; title: string; }[] = [];
for (const path of paths) {
const md = fs.readFileSync(path, { encoding: 'utf8' });
const parsed = markdown.parse(md, {});
if (parsed.length === 0) return;
const buf = [...parsed];
const headingTokens = [];
// もっとも上にある見出しを抽出する
while (buf[0].type !== 'heading_open') {
buf.shift();
}
buf.shift();
while (buf[0].type as string !== 'heading_close') {
const token = buf.shift();
if (token) {
headingTokens.push(token);
}
}
docs.push({
path: path.split('/').pop()!.split('.')[0],
title: markdown.renderer.render(headingTokens, {}, {})
});
}
ctx.body = docs;
});
const getFeed = async (acct: string) => {
const { username, host } = parseAcct(acct);
const user = await Users.findOne({
usernameLower: username.toLowerCase(),
host,
isSuspended: false
});
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
router.get(['/@:user', '/@:user/:sub'], async (ctx, next) => {
const { username, host } = parseAcct(ctx.params.user);
const user = await Users.findOne({
usernameLower: username.toLowerCase(),
host,
isSuspended: false
});
if (user != null) {
const profile = await UserProfiles.findOne(user.id).then(ensure);
const meta = await fetchMeta();
const me = profile.fields
? profile.fields
.filter(filed => filed.value != null && filed.value.match(/^https?:/))
.map(field => field.value)
: [];
await ctx.render('user', {
user, profile, me,
sub: ctx.params.sub,
instanceName: meta.name || 'Misskey',
icon: meta.iconUrl
});
ctx.set('Cache-Control', 'public, max-age=30');
} else {
// リモートユーザーなので
// モデレータがAPI経由で参照可能にするために404にはしない
await next();
}
});
router.get('/users/:user', async ctx => {
const user = await Users.findOne({
id: ctx.params.user,
host: null,
isSuspended: false
});
if (user == null) {
ctx.status = 404;
return;
}
ctx.redirect(`/@${user.username}${ user.host == null ? '' : '@' + user.host}`);
});
// Note
router.get('/notes/:note', async ctx => {
const note = await Notes.findOne(ctx.params.note);
if (note) {
const _note = await Notes.pack(note);
const meta = await fetchMeta();
await ctx.render('note', {
note: _note,
// TODO: Let locale changeable by instance setting
summary: getNoteSummary(_note, locales['ja-JP']),
instanceName: meta.name || 'Misskey',
icon: meta.iconUrl
});
if (['public', 'home'].includes(note.visibility)) {
ctx.set('Cache-Control', 'public, max-age=180');
} else {
ctx.set('Cache-Control', 'private, max-age=0, must-revalidate');
}
return;
}
ctx.status = 404;
});
// Page
router.get('/@:user/pages/:page', async ctx => {
const { username, host } = parseAcct(ctx.params.user);
const user = await Users.findOne({
usernameLower: username.toLowerCase(),
host
});
if (user == null) return;
const page = await Pages.findOne({
name: ctx.params.page,
userId: user.id
});
if (page) {
const _page = await Pages.pack(page);
const meta = await fetchMeta();
await ctx.render('page', {
page: _page,
instanceName: meta.name || 'Misskey'
});
if (['public'].includes(page.visibility)) {
ctx.set('Cache-Control', 'public, max-age=180');
} else {
ctx.set('Cache-Control', 'private, max-age=0, must-revalidate');
}
return;
}
ctx.status = 404;
});
//#endregion
router.get('/info', async ctx => {
const meta = await fetchMeta(true);
const emojis = await Emojis.find({
where: { host: null }
});
await ctx.render('info', {
version: config.version,
machine: os.hostname(),
os: os.platform(),
node: process.version,
psql: await getConnection().query('SHOW server_version').then(x => x[0].server_version),
redis: redis.server_info.redis_version,
cpu: {
model: os.cpus()[0].model,
cores: os.cpus().length
},
emojis: emojis,
meta: meta,
originalUsersCount: await Users.count({ host: null }),
originalNotesCount: await Notes.count({ userHost: null })
});
});
const override = (source: string, target: string, depth: number = 0) =>
[, ...target.split('/').filter(x => x), ...source.split('/').filter(x => x).splice(depth)].join('/');
router.get('/othello', async ctx => ctx.redirect(override(ctx.URL.pathname, 'games/reversi', 1)));
router.get('/reversi', async ctx => ctx.redirect(override(ctx.URL.pathname, 'games')));
router.get('/flush', async ctx => {
await ctx.render('flush');
});
// Render base html for all requests
router.get('(.*)', async ctx => {
const meta = await fetchMeta();
await ctx.render('base', {
img: meta.bannerUrl,
title: meta.name || 'Misskey',
instanceName: meta.name || 'Misskey',
desc: meta.description,
icon: meta.iconUrl
});
ctx.set('Cache-Control', 'public, max-age=300');
});
// Register router
app.use(router.routes());
module.exports = app;