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import * as http from 'http';
import * as websocket from 'websocket';
import * as redis from 'redis';
import config from '../conf';
import { default as User, IUser } from './models/user';
import AccessToken from './models/access-token';
import isNativeToken from './common/is-native-token';
import homeStream from './stream/home';
import driveStream from './stream/drive';
import messagingStream from './stream/messaging';
import messagingIndexStream from './stream/messaging-index';
import othelloGameStream from './stream/othello-game';
import othelloMatchingStream from './stream/othello-matching';
import serverStream from './stream/server';
import requestsStream from './stream/requests';
import channelStream from './stream/channel';
module.exports = (server: http.Server) => {
/**
* Init websocket server
*/
const ws = new websocket.server({
httpServer: server
});
ws.on('request', async (request) => {
const connection = request.accept();
if (request.resourceURL.pathname === '/server') {
serverStream(request, connection);
return;
}
if (request.resourceURL.pathname === '/requests') {
requestsStream(request, connection);
return;
}
// Connect to Redis
const subscriber = redis.createClient(
config.redis.port, config.redis.host);
connection.on('close', () => {
subscriber.unsubscribe();
subscriber.quit();
});
if (request.resourceURL.pathname === '/channel') {
channelStream(request, connection, subscriber);
return;
}
const user = await authenticate(request.resourceURL.query.i);
if (user == null) {
connection.send('authentication-failed');
connection.close();
return;
}
const channel =
request.resourceURL.pathname === '/' ? homeStream :
request.resourceURL.pathname === '/drive' ? driveStream :
request.resourceURL.pathname === '/messaging' ? messagingStream :
request.resourceURL.pathname === '/messaging-index' ? messagingIndexStream :
request.resourceURL.pathname === '/othello-game' ? othelloGameStream :
request.resourceURL.pathname === '/othello-matching' ? othelloMatchingStream :
null;
if (channel !== null) {
channel(request, connection, subscriber, user);
} else {
connection.close();
}
});
};
/**
* 接続してきたユーザーを取得します
* @param token 送信されてきたトークン
*/
function authenticate(token: string): Promise<IUser> {
if (token == null) {
return Promise.resolve(null);
}
return new Promise(async (resolve, reject) => {
if (isNativeToken(token)) {
// Fetch user
const user: IUser = await User
.findOne({
token: token
});
resolve(user);
} else {
const accessToken = await AccessToken.findOne({
hash: token
});
if (accessToken == null) {
return reject('invalid signature');
}
// Fetch user
const user: IUser = await User
.findOne({ _id: accessToken.user_id });
resolve(user);
}
});
}
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