Binato/server/BanchoServer.ts
2023-08-20 13:03:01 +01:00

323 lines
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10 KiB
TypeScript
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import { ConsoleHelper } from "../ConsoleHelper";
import { Channel } from "./objects/Channel";
import { LatLng } from "./objects/LatLng";
import { LoginProcess } from "./LoginProcess";
import { Packets } from "./enums/Packets";
import { RedisClientType, createClient } from "redis";
import { Request, Response } from "express";
import { SpectatorManager } from "./SpectatorManager";
import { User } from "./objects/User";
import { PrivateMessage } from "./packets/PrivateMessage";
import { MessageData } from "./interfaces/MessageData";
import { Shared } from "./objects/Shared";
const shared:Shared = new Shared();
shared.database.query("UPDATE mp_matches SET close_time = UNIX_TIMESTAMP() WHERE close_time IS NULL");
shared.database.query("UPDATE osu_info SET value = 0 WHERE name = 'online_now'");
// Server Setup
const spectatorManager:SpectatorManager = new SpectatorManager(shared);
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 ${channelName} channel`);
}
if (shared.config.redis.enabled) {
(async () => {
redisClient = createClient({
url: `redis://${shared.config.redis.password.replaceAll(" ", "") == "" ? "" : `${shared.config.redis.password}@`}${shared.config.redis.address}:${shared.config.redis.port}/${shared.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) => {
const user = shared.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!");
// Import packets
import { ChangeAction } from "./packets/ChangeAction";
import { Logout } from "./packets/Logout";
import { UserPresence } from "./packets/UserPresence";
import { UserStatsRequest } from "./packets/UserStatsRequest";
import { UserPresenceBundle } from "./packets/UserPresenceBundle";
import { TourneyMatchSpecialInfo } from "./packets/TourneyMatchSpecialInfo";
import { osu } from "../osuTyping";
import { TourneyMatchJoinChannel } from "./packets/TourneyJoinMatchChannel";
import { TourneyMatchLeaveChannel } from "./packets/TourneyMatchLeaveChannel";
import { AddFriend } from "./packets/AddFriend";
import { RemoveFriend } from "./packets/RemoveFriend";
import { PrivateChannel } from "./objects/PrivateChannel";
import { Constants } from "../Constants";
// User timeout interval
setInterval(() => {
for (let User of shared.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);
const EMPTY_BUFFER = Buffer.alloc(0);
export async function HandleRequest(req:Request, res:Response, packet:Buffer) {
// 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 (shared.database.connected) {
// Client doesn't have a token yet, let's auth them!
await LoginProcess(req, res, packet, shared);
shared.database.query("UPDATE osu_info SET value = ? WHERE name = 'online_now'", [shared.users.getLength() - 1]);
}
} else {
let responseData:Buffer | string = EMPTY_BUFFER;
// Remove headers we don't need for Bancho
res.removeHeader('X-Powered-By');
res.removeHeader('Date'); // This is not spec compilant
// Client has a token, let's see what they want.
try {
// Get the current user
const PacketUser:User | undefined = shared.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 = 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:
const message:MessageData = CurrentPacket.data;
let channel = shared.chatManager.GetChannelByName(message.target);
if (channel instanceof Channel) {
channel.SendMessage(PacketUser, CurrentPacket.data.message);
}
break;
case Packets.Client_Logout:
await Logout(PacketUser);
break;
case Packets.Client_RequestStatusUpdate:
UserPresenceBundle(PacketUser);
break;
case Packets.Client_StartSpectating:
spectatorManager.startSpectating(PacketUser, CurrentPacket.data);
break;
case Packets.Client_SpectateFrames:
spectatorManager.spectatorFrames(PacketUser, CurrentPacket.data);
break;
case Packets.Client_StopSpectating:
spectatorManager.stopSpectating(PacketUser);
break;
case Packets.Client_SendPrivateMessage:
PrivateMessage(PacketUser, CurrentPacket.data);
break;
case Packets.Client_JoinLobby:
shared.multiplayerManager.JoinLobby(PacketUser);
break;
case Packets.Client_PartLobby:
shared.multiplayerManager.LeaveLobby(PacketUser);
break;
case Packets.Client_CreateMatch:
await shared.multiplayerManager.CreateMatch(PacketUser, CurrentPacket.data);
break;
case Packets.Client_JoinMatch:
shared.multiplayerManager.JoinMatch(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchChangeSlot:
PacketUser.match?.moveToSlot(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchReady:
PacketUser.match?.setStateReady(PacketUser);
break;
case Packets.Client_MatchChangeSettings:
await PacketUser.match?.updateMatch(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchNotReady:
PacketUser.match?.setStateNotReady(PacketUser);
break;
// TODO: Match leave so the matches actually close
case Packets.Client_PartMatch:
await PacketUser.match?.leaveMatch(PacketUser);
break;
case Packets.Client_MatchLock:
PacketUser.match?.lockOrKick(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchNoBeatmap:
PacketUser.match?.missingBeatmap(PacketUser);
break;
case Packets.Client_MatchSkipRequest:
PacketUser.match?.matchSkip(PacketUser);
break;
case Packets.Client_MatchHasBeatmap:
PacketUser.match?.notMissingBeatmap(PacketUser);
break;
case Packets.Client_MatchTransferHost:
PacketUser.match?.transferHost(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchChangeMods:
PacketUser.match?.updateMods(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchStart:
PacketUser.match?.startMatch();
break;
case Packets.Client_MatchLoadComplete:
PacketUser.match?.matchPlayerLoaded(PacketUser);
break;
case Packets.Client_MatchComplete:
await PacketUser.match?.onPlayerFinishMatch(PacketUser);
break;
case Packets.Client_MatchScoreUpdate:
PacketUser.match?.updatePlayerScore(PacketUser, CurrentPacket.data);
break;
case Packets.Client_MatchFailed:
PacketUser.match?.matchFailed(PacketUser);
break;
case Packets.Client_MatchChangeTeam:
PacketUser.match?.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 (shared.database.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) {
if (Constants.DEBUG) {
throw e;
}
ConsoleHelper.printError(`${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);
}
}
}