import * as Koa from 'koa'; import * as Router from '@koa/router'; import { getJson } from '../../../misc/fetch'; import { OAuth2 } from 'oauth'; import config from '../../../config'; import { publishMainStream } from '../../../services/stream'; import redis from '../../../db/redis'; import { v4 as uuid } from 'uuid'; import signin from '../common/signin'; import { fetchMeta } from '../../../misc/fetch-meta'; import { Users, UserProfiles } from '../../../models'; import { ILocalUser } from '../../../models/entities/user'; function getUserToken(ctx: Koa.Context) { return ((ctx.headers['cookie'] || '').match(/igi=(\w+)/) || [null, null])[1]; } function compareOrigin(ctx: Koa.Context) { function normalizeUrl(url: string) { return url ? url.endsWith('/') ? url.substr(0, url.length - 1) : url : ''; } const referer = ctx.headers['referer']; return (normalizeUrl(referer) == normalizeUrl(config.url)); } // Init router const router = new Router(); router.get('/disconnect/github', async ctx => { if (!compareOrigin(ctx)) { ctx.throw(400, 'invalid origin'); return; } const userToken = getUserToken(ctx); if (!userToken) { ctx.throw(400, 'signin required'); return; } const user = await Users.findOneOrFail({ host: null, token: userToken }); const profile = await UserProfiles.findOneOrFail(user.id); delete profile.integrations.github; await UserProfiles.update(user.id, { integrations: profile.integrations, }); ctx.body = `GitHubの連携を解除しました :v:`; // Publish i updated event publishMainStream(user.id, 'meUpdated', await Users.pack(user, user, { detail: true, includeSecrets: true })); }); async function getOath2() { const meta = await fetchMeta(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 (!compareOrigin(ctx)) { ctx.throw(400, 'invalid origin'); return; } const userToken = getUserToken(ctx); if (!userToken) { ctx.throw(400, 'signin required'); return; } const params = { redirect_uri: `${config.url}/api/gh/cb`, scope: ['read:user'], state: uuid() }; redis.set(userToken, JSON.stringify(params)); const oauth2 = await getOath2(); ctx.redirect(oauth2!.getAuthorizeUrl(params)); }); router.get('/signin/github', async ctx => { const sessid = uuid(); const params = { redirect_uri: `${config.url}/api/gh/cb`, scope: ['read:user'], state: uuid() }; ctx.cookies.set('signin_with_github_sid', sessid, { path: '/', secure: config.url.startsWith('https'), httpOnly: true }); redis.set(sessid, JSON.stringify(params)); const oauth2 = await getOath2(); ctx.redirect(oauth2!.getAuthorizeUrl(params)); }); router.get('/gh/cb', async ctx => { const userToken = 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) { ctx.throw(400, 'invalid session'); return; } const { redirect_uri, state } = await new Promise((res, rej) => { redis.get(sessid, async (_, state) => { res(JSON.parse(state)); }); }); if (ctx.query.state !== state) { ctx.throw(400, 'invalid session'); return; } const { accessToken } = await new Promise((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 getJson('https://api.github.com/user', 'application/vnd.github.v3+json', 10 * 1000, { 'Authorization': `bearer ${accessToken}` }); if (!login || !id) { ctx.throw(400, 'invalid session'); return; } const link = await UserProfiles.createQueryBuilder() .where(`"integrations"->'github'->>'id' = :id`, { id: id }) .andWhere('"userHost" IS NULL') .getOne(); if (link == null) { ctx.throw(404, `@${login}と連携しているMisskeyアカウントはありませんでした...`); return; } signin(ctx, await Users.findOne(link.userId) as ILocalUser, true); } else { const code = ctx.query.code; if (!code) { ctx.throw(400, 'invalid session'); return; } const { redirect_uri, state } = await new Promise((res, rej) => { redis.get(userToken, async (_, state) => { res(JSON.parse(state)); }); }); if (ctx.query.state !== state) { ctx.throw(400, 'invalid session'); return; } const { accessToken } = await new Promise((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 getJson('https://api.github.com/user', 'application/vnd.github.v3+json', 10 * 1000, { 'Authorization': `bearer ${accessToken}` }); if (!login || !id) { ctx.throw(400, 'invalid session'); return; } const user = await Users.findOneOrFail({ host: null, token: userToken }); const profile = await UserProfiles.findOneOrFail(user.id); await UserProfiles.update(user.id, { integrations: { ...profile.integrations, github: { accessToken: accessToken, id: id, login: login, } } }); ctx.body = `GitHub: @${login} を、Misskey: @${user.username} に接続しました!`; // Publish i updated event publishMainStream(user.id, 'meUpdated', await Users.pack(user, user, { detail: true, includeSecrets: true })); } }); export default router;