eaglercraft/ayunViaProxyEagUtils
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Fix netty's mistakes & origin header

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ayunami2000 2023-10-07 17:31:18 -04:00
parent f2a6185e2b
commit c11026e6b9
1 changed files with 22 additions and 6 deletions
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28
src/main/java/me/ayunami2000/ayunViaProxyEagUtils/Main.java
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@ -9,6 +9,7 @@ import io.netty.handler.codec.http.websocketx.WebSocketClientProtocolHandler;
import io.netty.handler.codec.http.websocketx.WebSocketVersion;
import io.netty.handler.codec.http.websocketx.extensions.compression.WebSocketClientCompressionHandler;
import io.netty.handler.ssl.SslHandler;
import io.netty.util.AsciiString;
import io.netty.util.AttributeKey;
import net.lenni0451.lambdaevents.EventHandler;
import net.raphimc.netminecraft.constants.MCPipeline;
@ -28,6 +29,8 @@ import net.raphimc.viaproxy.proxy.util.ExceptionUtil;
import javax.net.ssl.*;
import java.io.File;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.KeyManagementException;
@ -125,6 +128,20 @@ public class Main extends ViaProxyPlugin {
}
}
static {
try {
Field field = HttpHeaderValues.class.getDeclaredField("UPGRADE");
field.setAccessible(true);
Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL);
field.set(null, AsciiString.cached("Upgrade")); // some servers need it to be uppercase :/
} catch (NoSuchFieldException | IllegalAccessException ignored) {
}
}
private static void doWsServerStuff(Channel ch, NetClient proxyConnection, Channel c2p, ServerAddress addr) throws URISyntaxException {
ch.attr(MCPipeline.COMPRESSION_THRESHOLD_ATTRIBUTE_KEY).set(-2);
if (proxyConnection instanceof ProxyConnection && ((ProxyConnection) proxyConnection).getServerVersion().isNewerThan(VersionEnum.r1_6_4)) {
@ -152,7 +169,7 @@ public class Main extends ViaProxyPlugin {
sslEngine.setNeedClientAuth(false);
ch.pipeline().addFirst("eag-server-ssl", new SslHandler(sslEngine) {
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
public void channelInactive(ChannelHandlerContext ctx) {
if (this.handshakeFuture().cause() != null) {
ExceptionUtil.handleNettyException(ctx, this.handshakeFuture().cause(), null);
}
@ -165,17 +182,16 @@ public class Main extends ViaProxyPlugin {
ch.pipeline().addFirst("eag-server-http-codec", new HttpClientCodec());
}
url.append("://").append(addr.getAddress());
boolean addPort = (secure && addr.getPort() != 443) || (!secure && addr.getPort() != 80);
if (addPort) {
if ((secure && addr.getPort() != 443) || (!secure && addr.getPort() != 80)) {
url.append(":").append(addr.getPort());
}
url.append("/");
String path = c2p.attr(wsPath).get();
if (path != null) {
url.append("/").append(path);
url.append(path);
}
URI uri = new URI(url.toString());
HttpHeaders headers = c2p.hasAttr(EaglercraftHandler.httpHeadersKey) ? c2p.attr(EaglercraftHandler.httpHeadersKey).get() : new DefaultHttpHeaders().set(HttpHeaderNames.ORIGIN, "via.shhnowisnottheti.me");
headers.set(HttpHeaderNames.HOST, uri.getHost() + (addPort ? ":" + uri.getPort() : ""));
HttpHeaders headers = c2p.hasAttr(EaglercraftHandler.httpHeadersKey) ? c2p.attr(EaglercraftHandler.httpHeadersKey).get() : new DefaultHttpHeaders().clear().set(HttpHeaderNames.ORIGIN, "https://via.shhnowisnottheti.me");
ch.pipeline().addAfter("eag-server-http-codec", "eag-server-http-aggregator", new HttpObjectAggregator(2097152, true));
ch.pipeline().addAfter("eag-server-http-aggregator", "eag-server-ws-compression", WebSocketClientCompressionHandler.INSTANCE);
ch.pipeline().addAfter("eag-server-ws-compression", "eag-server-ws-handshaker", new WebSocketClientProtocolHandler(WebSocketClientHandshakerFactory.newHandshaker(uri, WebSocketVersion.V13, null, true, headers, 2097152)));