misskey/packages/backend/src/server/api/integration/GithubServerService.ts

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2022-09-17 20:27:08 +02:00
import { Inject, Injectable } from '@nestjs/common';
import { Redis } from 'ioredis';
import Router from '@koa/router';
import { OAuth2 } from 'oauth';
import { v4 as uuid } from 'uuid';
import { IsNull } from 'typeorm';
import { Config } from '@/config.js';
import { UserProfilesRepository, UsersRepository } from '@/models/index.js';
import { DI } from '@/di-symbols.js';
import { HttpRequestService } from '@/core/HttpRequestService.js';
import type { ILocalUser } from '@/models/entities/User.js';
import { GlobalEventService } from '@/core/GlobalEventService.js';
import { MetaService } from '@/core/MetaService.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { SigninService } from '../SigninService.js';
import type Koa from 'koa';
@Injectable()
export class GithubServerService {
constructor(
@Inject(DI.config)
private config: Config,
@Inject(DI.redis)
private redisClient: Redis,
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.userProfilesRepository)
private userProfilesRepository: UserProfilesRepository,
private userEntityService: UserEntityService,
private httpRequestService: HttpRequestService,
private globalEventService: GlobalEventService,
private metaService: MetaService,
private signinService: SigninService,
) {
}
public create() {
const router = new Router();
router.get('/disconnect/github', async ctx => {
if (!this.#compareOrigin(ctx)) {
ctx.throw(400, 'invalid origin');
return;
}
const userToken = this.#getUserToken(ctx);
if (!userToken) {
ctx.throw(400, 'signin required');
return;
}
const user = await this.usersRepository.findOneByOrFail({
host: IsNull(),
token: userToken,
});
const profile = await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
delete profile.integrations.github;
await this.userProfilesRepository.update(user.id, {
integrations: profile.integrations,
});
ctx.body = 'GitHubの連携を解除しました :v:';
// Publish i updated event
this.globalEventService.publishMainStream(user.id, 'meUpdated', await this.userEntityService.pack(user, user, {
detail: true,
includeSecrets: true,
}));
});
const getOath2 = async () => {
const meta = await this.metaService.fetch(true);
if (meta.enableGithubIntegration && meta.githubClientId && meta.githubClientSecret) {
return new OAuth2(
meta.githubClientId,
meta.githubClientSecret,
'https://github.com/',
'login/oauth/authorize',
'login/oauth/access_token');
} else {
return null;
}
};
router.get('/connect/github', async ctx => {
if (!this.#compareOrigin(ctx)) {
ctx.throw(400, 'invalid origin');
return;
}
const userToken = this.#getUserToken(ctx);
if (!userToken) {
ctx.throw(400, 'signin required');
return;
}
const params = {
redirect_uri: `${this.config.url}/api/gh/cb`,
scope: ['read:user'],
state: uuid(),
};
this.redisClient.set(userToken, JSON.stringify(params));
const oauth2 = await getOath2();
ctx.redirect(oauth2!.getAuthorizeUrl(params));
});
router.get('/signin/github', async ctx => {
const sessid = uuid();
const params = {
redirect_uri: `${this.config.url}/api/gh/cb`,
scope: ['read:user'],
state: uuid(),
};
ctx.cookies.set('signin_with_github_sid', sessid, {
path: '/',
secure: this.config.url.startsWith('https'),
httpOnly: true,
});
this.redisClient.set(sessid, JSON.stringify(params));
const oauth2 = await getOath2();
ctx.redirect(oauth2!.getAuthorizeUrl(params));
});
router.get('/gh/cb', async ctx => {
const userToken = this.#getUserToken(ctx);
const oauth2 = await getOath2();
if (!userToken) {
const sessid = ctx.cookies.get('signin_with_github_sid');
if (!sessid) {
ctx.throw(400, 'invalid session');
return;
}
const code = ctx.query.code;
if (!code || typeof code !== 'string') {
ctx.throw(400, 'invalid session');
return;
}
const { redirect_uri, state } = await new Promise<any>((res, rej) => {
this.redisClient.get(sessid, async (_, state) => {
res(JSON.parse(state));
});
});
if (ctx.query.state !== state) {
ctx.throw(400, 'invalid session');
return;
}
const { accessToken } = await new Promise<any>((res, rej) =>
oauth2!.getOAuthAccessToken(code, {
redirect_uri,
}, (err, accessToken, refresh, result) => {
if (err) {
rej(err);
} else if (result.error) {
rej(result.error);
} else {
res({ accessToken });
}
}));
const { login, id } = (await this.httpRequestService.getJson('https://api.github.com/user', 'application/vnd.github.v3+json', 10 * 1000, {
'Authorization': `bearer ${accessToken}`,
})) as Record<string, unknown>;
if (typeof login !== 'string' || typeof id !== 'string') {
ctx.throw(400, 'invalid session');
return;
}
const link = await this.userProfilesRepository.createQueryBuilder()
.where('"integrations"->\'github\'->>\'id\' = :id', { id: id })
.andWhere('"userHost" IS NULL')
.getOne();
if (link == null) {
ctx.throw(404, `@${login}と連携しているMisskeyアカウントはありませんでした...`);
return;
}
this.signinService.signin(ctx, await this.usersRepository.findOneBy({ id: link.userId }) as ILocalUser, true);
} else {
const code = ctx.query.code;
if (!code || typeof code !== 'string') {
ctx.throw(400, 'invalid session');
return;
}
const { redirect_uri, state } = await new Promise<any>((res, rej) => {
this.redisClient.get(userToken, async (_, state) => {
res(JSON.parse(state));
});
});
if (ctx.query.state !== state) {
ctx.throw(400, 'invalid session');
return;
}
const { accessToken } = await new Promise<any>((res, rej) =>
oauth2!.getOAuthAccessToken(
code,
{ redirect_uri },
(err, accessToken, refresh, result) => {
if (err) {
rej(err);
} else if (result.error) {
rej(result.error);
} else {
res({ accessToken });
}
}));
const { login, id } = (await this.httpRequestService.getJson('https://api.github.com/user', 'application/vnd.github.v3+json', 10 * 1000, {
'Authorization': `bearer ${accessToken}`,
})) as Record<string, unknown>;
if (typeof login !== 'string' || typeof id !== 'string') {
ctx.throw(400, 'invalid session');
return;
}
const user = await this.usersRepository.findOneByOrFail({
host: IsNull(),
token: userToken,
});
const profile = await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
await this.userProfilesRepository.update(user.id, {
integrations: {
...profile.integrations,
github: {
accessToken: accessToken,
id: id,
login: login,
},
},
});
ctx.body = `GitHub: @${login} を、Misskey: @${user.username} に接続しました!`;
// Publish i updated event
this.globalEventService.publishMainStream(user.id, 'meUpdated', await this.userEntityService.pack(user, user, {
detail: true,
includeSecrets: true,
}));
}
});
return router;
}
#getUserToken(ctx: Koa.BaseContext): string | null {
return ((ctx.headers['cookie'] ?? '').match(/igi=(\w+)/) ?? [null, null])[1];
}
#compareOrigin(ctx: Koa.BaseContext): boolean {
function normalizeUrl(url?: string): string {
return url ? url.endsWith('/') ? url.substr(0, url.length - 1) : url : '';
}
const referer = ctx.headers['referer'];
return (normalizeUrl(referer) === normalizeUrl(this.config.url));
}
}