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Added event to skip Mojang auth

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RaphiMC 2023-11-02 19:30:46 +01:00
parent f167a05148
commit f97405604d
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2 changed files with 50 additions and 13 deletions
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35
src/main/java/net/raphimc/viaproxy/plugins/events/PreMojangAuthEvent.java Normal file
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@ -0,0 +1,35 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.raphimc.viaproxy.plugins.events;
import net.raphimc.viaproxy.plugins.events.types.EventCancellable;
import net.raphimc.viaproxy.proxy.session.ProxyConnection;
public class PreMojangAuthEvent extends EventCancellable {
private final ProxyConnection proxyConnection;
public PreMojangAuthEvent(final ProxyConnection proxyConnection) {
this.proxyConnection = proxyConnection;
}
public ProxyConnection getProxyConnection() {
return this.proxyConnection;
}
}

28
src/main/java/net/raphimc/viaproxy/proxy/packethandler/LoginPacketHandler.java
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@ -32,6 +32,7 @@ import net.raphimc.vialoader.util.VersionEnum;
import net.raphimc.viaproxy.cli.options.Options;
import net.raphimc.viaproxy.plugins.PluginManager;
import net.raphimc.viaproxy.plugins.events.ClientLoggedInEvent;
import net.raphimc.viaproxy.plugins.events.PreMojangAuthEvent;
import net.raphimc.viaproxy.proxy.LoginState;
import net.raphimc.viaproxy.proxy.external_interface.AuthLibServices;
import net.raphimc.viaproxy.proxy.external_interface.ExternalInterface;
@ -121,20 +122,21 @@ public class LoginPacketHandler extends PacketHandler {
final SecretKey secretKey = CryptUtil.decryptSecretKey(KEY_PAIR.getPrivate(), loginKeyPacket.encryptedSecretKey);
this.proxyConnection.getC2P().attr(MCPipeline.ENCRYPTION_ATTRIBUTE_KEY).set(new AESEncryption(secretKey));
final String userName = this.proxyConnection.getGameProfile().getName();
try {
final String serverHash = new BigInteger(CryptUtil.computeServerIdHash("", KEY_PAIR.getPublic(), secretKey)).toString(16);
final GameProfile mojangProfile = AuthLibServices.SESSION_SERVICE.hasJoinedServer(this.proxyConnection.getGameProfile(), serverHash, null);
if (mojangProfile == null) {
Logger.u_err("auth", this.proxyConnection.getC2P().remoteAddress(), this.proxyConnection.getGameProfile(), "Invalid session");
this.proxyConnection.kickClient("§cInvalid session! Please restart minecraft (and the launcher) and try again.");
} else {
this.proxyConnection.setGameProfile(mojangProfile);
if (!PluginManager.EVENT_MANAGER.call(new PreMojangAuthEvent(this.proxyConnection)).isCancelled()) {
final String userName = this.proxyConnection.getGameProfile().getName();
try {
final String serverHash = new BigInteger(CryptUtil.computeServerIdHash("", KEY_PAIR.getPublic(), secretKey)).toString(16);
final GameProfile mojangProfile = AuthLibServices.SESSION_SERVICE.hasJoinedServer(this.proxyConnection.getGameProfile(), serverHash, null);
if (mojangProfile == null) {
Logger.u_err("auth", this.proxyConnection.getC2P().remoteAddress(), this.proxyConnection.getGameProfile(), "Invalid session");
this.proxyConnection.kickClient("§cInvalid session! Please restart minecraft (and the launcher) and try again.");
} else {
this.proxyConnection.setGameProfile(mojangProfile);
}
Logger.u_info("auth", this.proxyConnection.getC2P().remoteAddress(), this.proxyConnection.getGameProfile(), "Authenticated as " + this.proxyConnection.getGameProfile().getId().toString());
} catch (Throwable e) {
throw new RuntimeException("Failed to make session request for user '" + userName + "'!", e);
}
Logger.u_info("auth", this.proxyConnection.getC2P().remoteAddress(), this.proxyConnection.getGameProfile(), "Authenticated as " + this.proxyConnection.getGameProfile().getId().toString());
} catch (Throwable e) {
throw new RuntimeException("Failed to make session request for user '" + userName + "'!", e);
}
PluginManager.EVENT_MANAGER.call(new ClientLoggedInEvent(proxyConnection));