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misskey/src/server/api/service/twitter.ts

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import * as express from 'express';
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import * as cookie from 'cookie';
import * as uuid from 'uuid';
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// import * as Twitter from 'twitter';
// const Twitter = require('twitter');
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import autwh from 'autwh';
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import redis from '../../../db/redis';
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import User, { pack } from '../../../models/user';
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import event from '../event';
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import config from '../../../conf';
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import signin from '../common/signin';
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module.exports = (app: express.Application) => {
function getUserToken(req: express.Request) {
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// req.headers['cookie'] は常に string ですが、型定義の都合上
// string | string[] になっているので string を明示しています
return ((req.headers['cookie'] as string || '').match(/i=(!\w+)/) || [null, null])[1];
}
function compareOrigin(req: express.Request) {
function normalizeUrl(url: string) {
return url[url.length - 1] === '/' ? url.substr(0, url.length - 1) : url;
}
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// req.headers['referer'] は常に string ですが、型定義の都合上
// string | string[] になっているので string を明示しています
const referer = req.headers['referer'] as string;
return (normalizeUrl(referer) == normalizeUrl(config.url));
}
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app.get('/disconnect/twitter', async (req, res): Promise<any> => {
if (!compareOrigin(req)) {
res.status(400).send('invalid origin');
return;
}
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const userToken = getUserToken(req);
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if (userToken == null) return res.send('plz signin');
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const user = await User.findOneAndUpdate({
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host: null,
'account.token': userToken
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}, {
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$set: {
'account.twitter': null
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}
});
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res.send(`Twitterの連携を解除しました :v:`);
// Publish i updated event
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event(user._id, 'i_updated', await pack(user, user, {
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detail: true,
includeSecrets: true
}));
});
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if (config.twitter == null) {
app.get('/connect/twitter', (req, res) => {
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res.send('現在Twitterへ接続できません (このインスタンスではTwitterはサポートされていません)');
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});
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app.get('/signin/twitter', (req, res) => {
res.send('現在Twitterへ接続できません (このインスタンスではTwitterはサポートされていません)');
});
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return;
}
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const twAuth = autwh({
consumerKey: config.twitter.consumer_key,
consumerSecret: config.twitter.consumer_secret,
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callbackUrl: `${config.api_url}/tw/cb`
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});
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app.get('/connect/twitter', async (req, res): Promise<any> => {
if (!compareOrigin(req)) {
res.status(400).send('invalid origin');
return;
}
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const userToken = getUserToken(req);
if (userToken == null) return res.send('plz signin');
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const ctx = await twAuth.begin();
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redis.set(userToken, JSON.stringify(ctx));
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res.redirect(ctx.url);
});
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app.get('/signin/twitter', async (req, res): Promise<any> => {
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const ctx = await twAuth.begin();
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const sessid = uuid();
redis.set(sessid, JSON.stringify(ctx));
const expires = 1000 * 60 * 60; // 1h
res.cookie('signin_with_twitter_session_id', sessid, {
path: '/',
domain: `.${config.host}`,
secure: config.url.substr(0, 5) === 'https',
httpOnly: true,
expires: new Date(Date.now() + expires),
maxAge: expires
});
res.redirect(ctx.url);
});
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app.get('/tw/cb', (req, res): any => {
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const userToken = getUserToken(req);
if (userToken == null) {
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// req.headers['cookie'] は常に string ですが、型定義の都合上
// string | string[] になっているので string を明示しています
const cookies = cookie.parse((req.headers['cookie'] as string || ''));
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const sessid = cookies['signin_with_twitter_session_id'];
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if (sessid == undefined) {
res.status(400).send('invalid session');
return;
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}
redis.get(sessid, async (_, ctx) => {
const result = await twAuth.done(JSON.parse(ctx), req.query.oauth_verifier);
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const user = await User.findOne({
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host: null,
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'account.twitter.userId': result.userId
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});
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if (user == null) {
res.status(404).send(`@${result.screenName}と連携しているMisskeyアカウントはありませんでした...`);
return;
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}
signin(res, user, true);
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});
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} else {
const verifier = req.query.oauth_verifier;
if (verifier == null) {
res.status(400).send('invalid session');
return;
}
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redis.get(userToken, async (_, ctx) => {
const result = await twAuth.done(JSON.parse(ctx), verifier);
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const user = await User.findOneAndUpdate({
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host: null,
'account.token': userToken
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}, {
$set: {
'account.twitter': {
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accessToken: result.accessToken,
accessTokenSecret: result.accessTokenSecret,
userId: result.userId,
screenName: result.screenName
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}
}
});
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res.send(`Twitter: @${result.screenName} を、Misskey: @${user.username} に接続しました!`);
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// Publish i updated event
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event(user._id, 'i_updated', await pack(user, user, {
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detail: true,
includeSecrets: true
}));
});
}
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});
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};