rudeshark.net/src/server/api/service/github.ts
2019-04-24 08:11:19 +09:00

285 lines
6.3 KiB
TypeScript

import * as Koa from 'koa';
import * as Router from 'koa-router';
import * as request from 'request';
import { OAuth2 } from 'oauth';
import config from '../../../config';
import { publishMainStream } from '../../../services/stream';
import redis from '../../../db/redis';
import * 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';
import { ensure } from '../../../prelude/ensure';
function getUserToken(ctx: Koa.BaseContext) {
return ((ctx.headers['cookie'] || '').match(/i=(!\w+)/) || [null, null])[1];
}
function compareOrigin(ctx: Koa.BaseContext) {
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.findOne({
host: null,
token: userToken
}).then(ensure);
await UserProfiles.update({
userId: user.id
}, {
github: false,
githubAccessToken: null,
githubId: null,
githubLogin: null,
});
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()
};
const expires = 1000 * 60 * 60; // 1h
ctx.cookies.set('signin_with_github_session_id', sessid, {
path: '/',
domain: config.host,
secure: config.url.startsWith('https'),
httpOnly: true,
expires: new Date(Date.now() + expires),
maxAge: expires
});
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_session_id');
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<any>((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<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 new Promise<any>((res, rej) =>
request({
url: 'https://api.github.com/user',
headers: {
'Accept': 'application/vnd.github.v3+json',
'Authorization': `bearer ${accessToken}`,
'User-Agent': config.userAgent
}
}, (err, response, body) => {
if (err)
rej(err);
else
res(JSON.parse(body));
}));
if (!login || !id) {
ctx.throw(400, 'invalid session');
return;
}
const link = await UserProfiles.createQueryBuilder()
.where('github @> :github', {
github: {
id: id,
},
})
.andWhere('userHost IS NULL')
.getOne();
if (link == null) {
ctx.throw(404, `@${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<any>((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<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 new Promise<any>((res, rej) =>
request({
url: 'https://api.github.com/user',
headers: {
'Accept': 'application/vnd.github.v3+json',
'Authorization': `bearer ${accessToken}`,
'User-Agent': config.userAgent
}
}, (err, response, body) => {
if (err)
rej(err);
else
res(JSON.parse(body));
}));
if (!login || !id) {
ctx.throw(400, 'invalid session');
return;
}
const user = await Users.findOne({
host: null,
token: userToken
}).then(ensure);
await UserProfiles.update({ userId: user.id }, {
github: true,
githubAccessToken: accessToken,
githubId: id,
githubLogin: login,
});
ctx.body = `GitHub: @${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;