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Separate the dispatch and game servers (pt. 1)

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gacha is still broken, handbook still needs to be done
This commit is contained in:
KingRainbow44
2023-05-15 00:43:16 -04:00
parent 97fbbdca84
commit bcc9ae10cd
28 changed files with 1225 additions and 379 deletions
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49
src/main/java/emu/grasscutter/server/packet/recv/HandlerGetPlayerTokenReq.java
View File

@@ -1,10 +1,7 @@
package emu.grasscutter.server.packet.recv;
import static emu.grasscutter.config.Configuration.ACCOUNT;
import emu.grasscutter.Grasscutter;
import emu.grasscutter.database.DatabaseHelper;
import emu.grasscutter.game.Account;
import emu.grasscutter.game.player.Player;
import emu.grasscutter.net.packet.Opcodes;
import emu.grasscutter.net.packet.PacketHandler;
@@ -16,21 +13,29 @@ import emu.grasscutter.server.game.GameSession.SessionState;
import emu.grasscutter.server.packet.send.PacketGetPlayerTokenRsp;
import emu.grasscutter.utils.ByteHelper;
import emu.grasscutter.utils.Crypto;
import emu.grasscutter.utils.DispatchUtils;
import emu.grasscutter.utils.Utils;
import javax.crypto.Cipher;
import java.nio.ByteBuffer;
import java.security.Signature;
import javax.crypto.Cipher;
import static emu.grasscutter.config.Configuration.ACCOUNT;
@Opcodes(PacketOpcodes.GetPlayerTokenReq)
public class HandlerGetPlayerTokenReq extends PacketHandler {
@Override
public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
GetPlayerTokenReq req = GetPlayerTokenReq.parseFrom(payload);
var req = GetPlayerTokenReq.parseFrom(payload);
// Authenticate
Account account = DatabaseHelper.getAccountById(req.getAccountUid());
if (account == null || !account.getToken().equals(req.getAccountToken())) {
// Fetch the account from the ID and token.
var accountId = req.getAccountUid();
var account = DispatchUtils.authenticate(
accountId, req.getAccountToken());
// Check the account.
if (account == null) {
session.close();
return;
}
@@ -42,9 +47,10 @@ public class HandlerGetPlayerTokenReq extends PacketHandler {
// secondly !!!
// TODO - optimize
boolean kicked = false;
Player exists = Grasscutter.getGameServer().getPlayerByAccountId(account.getId());
var exists = Grasscutter.getGameServer()
.getPlayerByAccountId(accountId);
if (exists != null) {
GameSession existsSession = exists.getSession();
var existsSession = exists.getSession();
if (existsSession != session) { // No self-kicking
exists.onLogout(); // must save immediately , or the below will load old data
existsSession.close();
@@ -67,14 +73,14 @@ public class HandlerGetPlayerTokenReq extends PacketHandler {
}
// Call creation event.
PlayerCreationEvent event = new PlayerCreationEvent(session, Player.class);
var event = new PlayerCreationEvent(session, Player.class);
event.call();
// Get player.
Player player = DatabaseHelper.getPlayerByAccount(account, event.getPlayerClass());
var player = DatabaseHelper.getPlayerByAccount(account, event.getPlayerClass());
if (player == null) {
int nextPlayerUid =
var nextPlayerUid =
DatabaseHelper.getNextPlayerId(session.getAccount().getReservedPlayerUid());
// Create player instance from event.
@@ -107,19 +113,19 @@ public class HandlerGetPlayerTokenReq extends PacketHandler {
// Only >= 2.7.50 has this
if (req.getKeyId() > 0) {
try {
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
var cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.DECRYPT_MODE, Crypto.CUR_SIGNING_KEY);
var client_seed_encrypted = Utils.base64Decode(req.getClientRandKey());
var client_seed = ByteBuffer.wrap(cipher.doFinal(client_seed_encrypted)).getLong();
byte[] seed_bytes =
var seed_bytes =
ByteBuffer.wrap(new byte[8]).putLong(Crypto.ENCRYPT_SEED ^ client_seed).array();
cipher.init(Cipher.ENCRYPT_MODE, Crypto.EncryptionKeys.get(req.getKeyId()));
var seed_encrypted = cipher.doFinal(seed_bytes);
Signature privateSignature = Signature.getInstance("SHA256withRSA");
var privateSignature = Signature.getInstance("SHA256withRSA");
privateSignature.initSign(Crypto.CUR_SIGNING_KEY);
privateSignature.update(seed_bytes);
@@ -128,14 +134,13 @@ public class HandlerGetPlayerTokenReq extends PacketHandler {
session,
Utils.base64Encode(seed_encrypted),
Utils.base64Encode(privateSignature.sign())));
} catch (Exception ignore) {
} catch (Exception ignored) {
// Only UA Patch users will have exception
byte[] clientBytes = Utils.base64Decode(req.getClientRandKey());
byte[] seed = ByteHelper.longToBytes(Crypto.ENCRYPT_SEED);
var clientBytes = Utils.base64Decode(req.getClientRandKey());
var seed = ByteHelper.longToBytes(Crypto.ENCRYPT_SEED);
Crypto.xor(clientBytes, seed);
String base64str = Utils.base64Encode(clientBytes);
var base64str = Utils.base64Encode(clientBytes);
session.send(new PacketGetPlayerTokenRsp(session, base64str, "bm90aGluZyBoZXJl"));
}
} else {

8
src/main/java/emu/grasscutter/server/packet/send/PacketPlayerLoginRsp.java
View File

@@ -1,7 +1,5 @@
package emu.grasscutter.server.packet.send;
import static emu.grasscutter.config.Configuration.*;
import com.google.protobuf.ByteString;
import emu.grasscutter.Grasscutter;
import emu.grasscutter.Grasscutter.ServerRunMode;
@@ -13,8 +11,12 @@ import emu.grasscutter.net.proto.RegionInfoOuterClass.RegionInfo;
import emu.grasscutter.server.game.GameSession;
import emu.grasscutter.server.http.dispatch.RegionHandler;
import emu.grasscutter.utils.Crypto;
import java.util.Objects;
import static emu.grasscutter.config.Configuration.GAME_INFO;
import static emu.grasscutter.config.Configuration.lr;
public class PacketPlayerLoginRsp extends BasePacket {
private static QueryCurrRegionHttpRspOuterClass.QueryCurrRegionHttpRsp regionCache;
@@ -26,7 +28,7 @@ public class PacketPlayerLoginRsp extends BasePacket {
RegionInfo info;
if (SERVER.runMode == ServerRunMode.GAME_ONLY) {
if (Grasscutter.getRunMode() == ServerRunMode.GAME_ONLY) {
if (regionCache == null) {
try {
// todo: we might want to push custom config to client