refactoring

Resolve #7779

packages/backend/src/server/api/index.ts

@@ -0,0 +1,113 @@
+/**
+ * API Server
+ */
+
+import * as Koa from 'koa';
+import * as Router from '@koa/router';
+import * as multer from '@koa/multer';
+import * as bodyParser from 'koa-bodyparser';
+import * as cors from '@koa/cors';
+
+import endpoints from './endpoints';
+import handler from './api-handler';
+import signup from './private/signup';
+import signin from './private/signin';
+import signupPending from './private/signup-pending';
+import discord from './service/discord';
+import github from './service/github';
+import twitter from './service/twitter';
+import { Instances, AccessTokens, Users } from '@/models/index';
+import config from '@/config';
+
+// Init app
+const app = new Koa();
+
+app.use(cors({
+	origin: '*'
+}));
+
+// No caching
+app.use(async (ctx, next) => {
+	ctx.set('Cache-Control', 'private, max-age=0, must-revalidate');
+	await next();
+});
+
+app.use(bodyParser({
+	// リクエストが multipart/form-data でない限りはJSONだと見なす
+	detectJSON: ctx => !ctx.is('multipart/form-data')
+}));
+
+// Init multer instance
+const upload = multer({
+	storage: multer.diskStorage({}),
+	limits: {
+		fileSize: config.maxFileSize || 262144000,
+		files: 1,
+	}
+});
+
+// Init router
+const router = new Router();
+
+/**
+ * Register endpoint handlers
+ */
+for (const endpoint of endpoints) {
+	if (endpoint.meta.requireFile) {
+		router.post(`/${endpoint.name}`, upload.single('file'), handler.bind(null, endpoint));
+	} else {
+		if (endpoint.name.includes('-')) {
+			// 後方互換性のため
+			router.post(`/${endpoint.name.replace(/-/g, '_')}`, handler.bind(null, endpoint));
+		}
+		router.post(`/${endpoint.name}`, handler.bind(null, endpoint));
+	}
+}
+
+router.post('/signup', signup);
+router.post('/signin', signin);
+router.post('/signup-pending', signupPending);
+
+router.use(discord.routes());
+router.use(github.routes());
+router.use(twitter.routes());
+
+router.get('/v1/instance/peers', async ctx => {
+	const instances = await Instances.find({
+		select: ['host']
+	});
+
+	ctx.body = instances.map(instance => instance.host);
+});
+
+router.post('/miauth/:session/check', async ctx => {
+	const token = await AccessTokens.findOne({
+		session: ctx.params.session
+	});
+
+	if (token && token.session != null && !token.fetched) {
+		AccessTokens.update(token.id, {
+			fetched: true
+		});
+
+		ctx.body = {
+			ok: true,
+			token: token.token,
+			user: await Users.pack(token.userId, null, { detail: true })
+		};
+	} else {
+		ctx.body = {
+			ok: false,
+		};
+	}
+});
+
+// Return 404 for unknown API
+router.all('(.*)', async ctx => {
+	ctx.status = 404;
+});
+
+// Register router
+app.use(router.routes());
+
+export default app;