Binato/server/BanchoServer.ts
2022-11-17 00:29:07 +00:00

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TypeScript
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import { ConsoleHelper } from "../ConsoleHelper";
import { Database } from "./objects/Database";
import { LatLng } from "./objects/LatLng";
import { LoginProcess } from "./LoginProcess";
import { Packets } from "./enums/Packets";
import { replaceAll } from "./Util";
import { readFileSync } from "fs";
import { RedisClientType, createClient } from "redis";
import { Request, Response } from "express";
import { UserArray } from "./objects/UserArray";
import { User } from "./objects/User";
const config:any = JSON.parse(readFileSync(__dirname + "/config.json").toString());
// TODO: Port osu-packet to TypeScript
const osu = require("osu-packet");
/*const
loginHandler = require("./loginHandler.js"),
parseUserData = require("./util/parseUserData.js"),
getUserFromToken = require("./util/getUserByToken.js"),
getUserById = require("./util/getUserById.js"),
bakedResponses = require("./bakedResponses.js"),
Streams = require("./Streams.js");*/
const DB:Database = new Database(config.database.address, config.database.port, config.database.username, config.database.password, config.database.name, async () => {
// Close any unclosed db matches on startup
DB.query("UPDATE mp_matches SET close_time = UNIX_TIMESTAMP() WHERE close_time IS NULL");
DB.query("UPDATE osu_info SET value = 0 WHERE name = 'online_now'");
});
// Users funkyArray for session storage
const users = new UserArray();
// Add the bot user
const botUser:User = users.add("bot", new User(3, "SillyBot", "bot", DB));
// Set the bot's position on the map
botUser.location = new LatLng(50, -32);
let redisClient:RedisClientType;
async function subscribeToChannel(channelName:string, callback:(message:string) => void) {
// Dup and connect new client for channel subscription (required)
const subscriptionClient:RedisClientType = redisClient.duplicate();
await subscriptionClient.connect();
// Subscribe to channel
await subscriptionClient.subscribe(channelName, callback);
ConsoleHelper.printRedis(`Subscribed to ${channelName} channel`);
}
if (config.redis.enabled) {
(async () => {
redisClient = createClient({
url: `redis://${replaceAll(config.redis.password, " ", "") == "" ? "" : `${config.redis.password}@`}${config.redis.address}:${config.redis.port}/${config.redis.database}`
});
redisClient.on('error', e => ConsoleHelper.printRedis(e));
const connectionStartTime = Date.now();
await redisClient.connect();
ConsoleHelper.printRedis(`Connected to redis server. Took ${Date.now() - connectionStartTime}ms`);
// Score submit update channel
subscribeToChannel("binato:update_user_stats", (message) => {
if (typeof(message) === "string") {
const user = users.getById(parseInt(message));
if (user != null) {
// Update user info
user.updateUserInfo(true);
ConsoleHelper.printRedis(`Score submission stats update request received for ${user.username}`);
}
}
});
})();
} else ConsoleHelper.printWarn("Redis is disabled!");
// User timeout interval
setInterval(() => {
for (let User of users.getIterableItems()) {
if (User.uuid == "bot") continue; // Ignore the bot
// Logout this user, they're clearly gone.
// if (Date.now() >= User.timeoutTime)
// Logout(User);
}
}, 10000);
// Init stream class
//Streams.init();
// An array containing all chat channels
/*global.channels = [
{ channelName:"#osu", channelTopic:"The main channel", channelUserCount: 0, locked: false },
{ channelName:"#userlog", channelTopic:"Log about stuff doing go on yes very", channelUserCount: 0, locked: false },
{ channelName:"#lobby", channelTopic:"Talk about multiplayer stuff", channelUserCount: 0, locked: false },
{ channelName:"#english", channelTopic:"Talk in exclusively English", channelUserCount: 0, locked: false },
{ channelName:"#japanese", channelTopic:"Talk in exclusively Japanese", channelUserCount: 0, locked: false },
];*/
// Create a stream for each chat channel
/*for (let i = 0; i < global.channels.length; i++) {
Streams.addStream(global.channels[i].channelName, false);
}*/
// Add a stream for the multiplayer lobby
//Streams.addStream("multiplayer_lobby", false);
// Include packets
/*const ChangeAction = require("./Packets/ChangeAction.js"),
SendPublicMessage = require("./Packets/SendPublicMessage.js"),
Logout = require("./Packets/Logout.js"),
Spectator = require("./Spectator.js"),
SendPrivateMessage = require("./Packets/SendPrivateMessage.js"),
MultiplayerManager = require("./MultiplayerManager.js"),
SetAwayMessage = require("./Packets/SetAwayMessage.js"),
ChannelJoin = require("./Packets/ChannelJoin.js"),
ChannelPart = require("./Packets/ChannelPart.js"),
AddFriend = require("./Packets/AddFriend.js"),
RemoveFriend = require("./Packets/RemoveFriend.js"),
UserPresenceBundle = require("./Packets/UserPresenceBundle.js"),
UserPresence = require("./Packets/UserPresence.js"),
UserStatsRequest = require("./Packets/UserStatsRequest.js"),
MultiplayerInvite = require("./Packets/MultiplayerInvite.js"),
TourneyMatchSpecialInfo = require("./Packets/TourneyMatchSpecialInfo.js"),
TourneyMatchJoinChannel = require("./Packets/TourneyMatchSpecialInfo.js"),
TourneyMatchLeaveChannel = require("./Packets/TourneyLeaveMatchChannel.js");*/
// A class for managing everything multiplayer
//const multiplayerManager:MultiplayerManager = new MultiplayerManager();
const EMPTY_BUFFER = Buffer.alloc(0);
export async function HandleRequest(req:Request, res:Response, packet:Buffer) {
// Remove headers we don't need for Bancho
res.removeHeader('X-Powered-By');
res.removeHeader('Date');
// Get the client's token string and request data
const requestTokenString:string | undefined = req.header("osu-token");
// Check if the user is logged in
if (requestTokenString == null) {
// Only do this if we're absolutely sure that we're connected to the DB
if (DB.connected) {
// Client doesn't have a token yet, let's auth them!
await LoginProcess(req, res, packet, DB, users);
DB.query("UPDATE osu_info SET value = ? WHERE name = 'online_now'", [users.getLength() - 1]);
}
} else {
let responseData:Buffer | string = EMPTY_BUFFER;
// Client has a token, let's see what they want.
try {
// Get the current user
const PacketUser:User | undefined = users.getByToken(requestTokenString);
// Make sure the client's token isn't invalid
if (PacketUser != null) {
// Update the session timeout time
PacketUser.timeoutTime = Date.now() + 60000;
// Create a new osu! packet reader
const osuPacketReader = new osu.Client.Reader(packet);
// Parse current bancho packet
const PacketData = osuPacketReader.Parse();
// Go through each packet sent by the client
for (let CurrentPacket of PacketData) {
/*switch (CurrentPacket.id) {
case Packets.Client_ChangeAction:
ChangeAction(PacketUser, CurrentPacket.data);
break;
case Packets.Client_SendPublicMessage:
SendPublicMessage(PacketUser, CurrentPacket.data);
break;
case Packets.Client_Logout:
await Logout(PacketUser);
break;
case Packets.Client_RequestStatusUpdate:
UserPresenceBundle(PacketUser);
break;
case Packets.Client_StartSpectating:
Spectator.startSpectatingUser(PacketUser, CurrentPacket.data);
break;
case Packets.Client_SpectateFrames:
Spectator.sendSpectatorFrames(PacketUser, CurrentPacket.data);
break;
case Packets.Client_StopSpectating:
Spectator.stopSpectatingUser(PacketUser);
break;
case Packets.Client_SendPrivateMessage:
SendPrivateMessage(PacketUser, CurrentPacket.data);
break;
case Packets.Client_JoinLobby:
multiplayerManager.userEnterLobby(PacketUser);
break;
case Packets.Client_PartLobby:
multiplayerManager.userLeaveLobby(PacketUser);
break;
case Packets.Client_CreateMatch:
await multiplayerManager.createMultiplayerMatch(PacketUser, CurrentPacket.data);
break;
case Packets.Client_JoinMatch:
multiplayerManager.joinMultiplayerMatch(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchChangeSlot:
PacketUser.currentMatch.moveToSlot(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchReady:
PacketUser.currentMatch.setStateReady(PacketUser);
break;
case Packets.Client_MatchChangeSettings:
await PacketUser.currentMatch.updateMatch(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchNotReady:
PacketUser.currentMatch.setStateNotReady(PacketUser);
break;
case Packets.Client_PartMatch:
await multiplayerManager.leaveMultiplayerMatch(PacketUser);
break;
// Also handles user kick if the slot has a user
case Packets.Client_MatchLock:
PacketUser.currentMatch.lockMatchSlot(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchNoBeatmap:
PacketUser.currentMatch.missingBeatmap(PacketUser);
break;
case Packets.Client_MatchSkipRequest:
PacketUser.currentMatch.matchSkip(PacketUser);
break;
case Packets.Client_MatchHasBeatmap:
PacketUser.currentMatch.notMissingBeatmap(PacketUser);
break;
case Packets.Client_MatchTransferHost:
PacketUser.currentMatch.transferHost(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchChangeMods:
PacketUser.currentMatch.updateMods(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchStart:
PacketUser.currentMatch.startMatch();
break;
case Packets.Client_MatchLoadComplete:
PacketUser.currentMatch.matchPlayerLoaded(PacketUser);
break;
case Packets.Client_MatchComplete:
await PacketUser.currentMatch.onPlayerFinishMatch(PacketUser);
break;
case Packets.Client_MatchScoreUpdate:
PacketUser.currentMatch.updatePlayerScore(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchFailed:
PacketUser.currentMatch.matchFailed(PacketUser);
break;
case Packets.Client_MatchChangeTeam:
PacketUser.currentMatch.changeTeam(PacketUser);
break;
case Packets.Client_ChannelJoin:
ChannelJoin(PacketUser, CurrentPacket.data);
break;
case Packets.Client_ChannelPart:
ChannelPart(PacketUser, CurrentPacket.data);
break;
case Packets.Client_SetAwayMessage:
SetAwayMessage(PacketUser, CurrentPacket.data);
break;
case Packets.Client_FriendAdd:
AddFriend(PacketUser, CurrentPacket.data);
break;
case Packets.Client_FriendRemove:
RemoveFriend(PacketUser, CurrentPacket.data);
break;
case Packets.Client_UserStatsRequest:
UserStatsRequest(PacketUser, CurrentPacket.data);
break;
case Packets.Client_SpecialMatchInfoRequest:
TourneyMatchSpecialInfo(PacketUser, CurrentPacket.data);
break;
case Packets.Client_SpecialJoinMatchChannel:
TourneyMatchJoinChannel(PacketUser, CurrentPacket.data);
break;
case Packets.Client_SpecialLeaveMatchChannel:
TourneyMatchLeaveChannel(PacketUser, CurrentPacket.data);
break;
case Packets.Client_Invite:
MultiplayerInvite(PacketUser, CurrentPacket.data);
break;
case Packets.Client_UserPresenceRequest:
UserPresence(PacketUser, PacketUser.id); // Can't really think of a way to generalize this?
break;
default:
// Ignore client_beatmapInfoRequest and client_receiveUpdates
if (CurrentPacket.id == 68 || CurrentPacket.id == 79 || CurrentPacket.id == 4) break;
// Print out unimplemented packet
console.dir(CurrentPacket);
break;
}*/
}
responseData = PacketUser.queue;
PacketUser.clearQueue();
} else {
// Only do this if we're absolutely sure that we're connected to the DB
if (DB.connected) {
// User's token is invlid, force a reconnect
ConsoleHelper.printBancho(`Forced client re-login (Token is invalid)`);
responseData = "\u0005\u0000\u0000\u0004\u0000\u0000\u0000<30><30><EFBFBD><EFBFBD>\u0018\u0000\u0000\u0011\u0000\u0000\u0000\u000b\u000fReconnecting...";
}
}
} catch (e) {
console.error(e);
} finally {
res.writeHead(200, {
"Connection": "keep-alive",
"Keep-Alive": "timeout=5, max=100",
});
// Send the prepared packet(s) to the client
res.end(responseData);
}
}
}