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import { Inject, Injectable } from '@nestjs/common';
import Koa from 'koa';
import Router from '@koa/router';
import multer from '@koa/multer';
import bodyParser from 'koa-bodyparser';
import cors from '@koa/cors';
import { ModuleRef } from '@nestjs/core';
import { Config } from '@/config.js';
import { UsersRepository, InstancesRepository, AccessTokensRepository } from '@/models/index.js';
import { DI } from '@/di-symbols.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import endpoints from './endpoints.js';
import { ApiCallService } from './ApiCallService.js';
import { SignupApiService } from './SignupApiService.js';
import { SigninApiService } from './SigninApiService.js';
import { GithubServerService } from './integration/GithubServerService.js';
import { DiscordServerService } from './integration/DiscordServerService.js';
import { TwitterServerService } from './integration/TwitterServerService.js';
@Injectable()
export class ApiServerService {
constructor(
private moduleRef: ModuleRef,
@Inject(DI.config)
private config: Config,
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.instancesRepository)
private instancesRepository: InstancesRepository,
@Inject(DI.accessTokensRepository)
private accessTokensRepository: AccessTokensRepository,
private userEntityService: UserEntityService,
private apiCallService: ApiCallService,
private signupApiServiceService: SignupApiService,
private signinApiServiceService: SigninApiService,
private githubServerService: GithubServerService,
private discordServerService: DiscordServerService,
private twitterServerService: TwitterServerService,
) {
}
public createApiServer() {
const handlers: Record<string, any> = {};
for (const endpoint of endpoints) {
handlers[endpoint.name] = this.moduleRef.get('ep:' + endpoint.name, { strict: false }).exec;
}
// Init app
const apiServer = new Koa();
apiServer.use(cors({
origin: '*',
}));
// No caching
apiServer.use(async (ctx, next) => {
ctx.set('Cache-Control', 'private, max-age=0, must-revalidate');
await next();
});
apiServer.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: this.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(`/${endpoint.name}`, upload.single('file'), this.apiCallService.handleRequest.bind(this.apiCallService, endpoint, handlers[endpoint.name]));
} else {
// 後方互換性のため
if (endpoint.name.includes('-')) {
router.post(`/${endpoint.name.replace(/-/g, '_')}`, this.apiCallService.handleRequest.bind(this.apiCallService, endpoint, handlers[endpoint.name]));
if (endpoint.meta.allowGet) {
router.get(`/${endpoint.name.replace(/-/g, '_')}`, this.apiCallService.handleRequest.bind(this.apiCallService, endpoint, handlers[endpoint.name]));
} else {
router.get(`/${endpoint.name.replace(/-/g, '_')}`, async ctx => { ctx.status = 405; });
}
}
router.post(`/${endpoint.name}`, this.apiCallService.handleRequest.bind(this.apiCallService, endpoint, handlers[endpoint.name]));
if (endpoint.meta.allowGet) {
router.get(`/${endpoint.name}`, this.apiCallService.handleRequest.bind(this.apiCallService, endpoint, handlers[endpoint.name]));
} else {
router.get(`/${endpoint.name}`, async ctx => { ctx.status = 405; });
}
}
}
router.post('/signup', ctx => this.signupApiServiceService.signup(ctx));
router.post('/signin', ctx => this.signinApiServiceService.signin(ctx));
router.post('/signup-pending', ctx => this.signupApiServiceService.signupPending(ctx));
router.use(this.discordServerService.create().routes());
router.use(this.githubServerService.create().routes());
router.use(this.twitterServerService.create().routes());
router.get('/v1/instance/peers', async ctx => {
const instances = await this.instancesRepository.find({
select: ['host'],
});
ctx.body = instances.map(instance => instance.host);
});
router.post('/miauth/:session/check', async ctx => {
const token = await this.accessTokensRepository.findOneBy({
session: ctx.params.session,
});
if (token && token.session != null && !token.fetched) {
this.accessTokensRepository.update(token.id, {
fetched: true,
});
ctx.body = {
ok: true,
token: token.token,
user: await this.userEntityService.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
apiServer.use(router.routes());
return apiServer;
}
}
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