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https://github.com/ayunami2000/ayunViaProxyEagUtils.git
synced 2024-09-07 11:15:59 -07:00
ADD FULL SKIN PASSTHROUGH
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parent
1dc04f3927
commit
f2a6185e2b
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@ -1,4 +1,4 @@
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# ayunViaProxyEagUtils
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eaglercraft support for viaproxy. ws:// on same port as java. supports both 1.5.2 and 1.8.8 eaglercraft depending on the configuration (e.g. use legacy passthrough & protocolsupport if the backend server doesn't support 1.5.2)
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note: skin files from 1.5.2 are excluded
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note: skin files are excluded
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@ -9,6 +9,7 @@ import com.viaversion.viaversion.util.ChatColorUtil;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufUtil;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.handler.codec.MessageToMessageCodec;
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import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame;
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@ -35,6 +36,7 @@ import java.awt.image.DataBufferByte;
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import java.awt.image.Raster;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import java.util.List;
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import java.util.*;
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@ -153,59 +155,88 @@ public class EaglerServerHandler extends MessageToMessageCodec<WebSocketFrame, B
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}
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if (in.readableBytes() >= 2 && in.getUnsignedByte(0) == 2) {
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in.setByte(1, in.getUnsignedByte(1) + 8);
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out.add(new BinaryWebSocketFrame(in.retain()));
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Channel c2p;
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if (proxyConnection instanceof ProxyConnection) {
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c2p = ((ProxyConnection) proxyConnection).getC2P();
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} else {
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c2p = ((LegacyProxyConnection) proxyConnection).getC2P();
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}
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if (c2p.hasAttr(EaglercraftHandler.profileDataKey)) {
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EaglercraftHandler.ProfileData profileData = c2p.attr(EaglercraftHandler.profileDataKey).get();
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if (profileData.type.equals("skin_v1")) {
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int packetType = profileData.data[0] & 0xFF;
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if (packetType == 1 || packetType == 2) {
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try {
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byte[] res = SkinService.newToOldSkin(profileData.data);
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ByteBuf bb = ctx.alloc().buffer();
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bb.writeByte((byte) 250);
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Types1_6_4.STRING.write(bb, "EAG|MySkin");
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bb.writeShort(res.length);
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bb.writeBytes(res);
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out.add(new BinaryWebSocketFrame(bb));
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} catch (Exception ignored) {}
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}
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}
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}
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return;
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}
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if (in.getUnsignedByte(0) == 0xFD) {
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return;
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}
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if (in.readableBytes() >= 3 && in.getUnsignedByte(0) == 250) {
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in.skipBytes(1);
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String tag;
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byte[] msg;
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try {
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tag = Types1_6_4.STRING.read(in);
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if (tag.equals("EAG|Skins-1.8")) {
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msg = new byte[in.readShort()];
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in.readBytes(msg);
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if (msg.length == 0) {
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throw new IOException("Zero-length packet recieved");
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}
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final int packetId = msg[0] & 0xFF;
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switch (packetId) {
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case 3: {
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if (msg.length != 17) {
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throw new IOException("Invalid length " + msg.length + " for skin request packet");
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if (proxyConnection instanceof ProxyConnection) {
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if (in.readableBytes() >= 3 && in.getUnsignedByte(0) == 250) {
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in.skipBytes(1);
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String tag;
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byte[] msg;
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try {
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tag = Types1_6_4.STRING.read(in);
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if (tag.equals("EAG|Skins-1.8")) {
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msg = new byte[in.readShort()];
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in.readBytes(msg);
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if (msg.length == 0) {
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throw new IOException("Zero-length packet recieved");
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}
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final int packetId = msg[0] & 0xFF;
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switch (packetId) {
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case 3: {
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if (msg.length != 17) {
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throw new IOException("Invalid length " + msg.length + " for skin request packet");
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}
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final UUID searchUUID = SkinPackets.bytesToUUID(msg, 1);
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if (uuidStringMap.containsKey(searchUUID)) {
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short id = skinFetchCounter++;
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skinsBeingFetched.put(id, searchUUID);
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String name = uuidStringMap.get(searchUUID);
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ByteBuf bb = ctx.alloc().buffer();
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bb.writeByte((byte) 250);
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Types1_6_4.STRING.write(bb, "EAG|FetchSkin");
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ByteBuf bbb = ctx.alloc().buffer();
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bbb.writeByte((byte) ((id >> 8) & 0xFF));
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bbb.writeByte((byte) (id & 0xFF));
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bbb.writeBytes(name.getBytes(StandardCharsets.UTF_8));
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bb.writeShort(bbb.readableBytes());
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bb.writeBytes(bbb);
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bbb.release();
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out.add(new BinaryWebSocketFrame(bb));
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}
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break;
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}
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final UUID searchUUID = SkinPackets.bytesToUUID(msg, 1);
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if (uuidStringMap.containsKey(searchUUID)) {
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short id = skinFetchCounter++;
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skinsBeingFetched.put(id, searchUUID);
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String name = uuidStringMap.get(searchUUID);
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ByteBuf bb = ctx.alloc().buffer();
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bb.writeByte((byte) 250);
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Types1_6_4.STRING.write(bb, "EAG|FetchSkin");
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ByteBuf bbb = ctx.alloc().buffer();
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bbb.writeByte((byte) ((id >> 8) & 0xFF));
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bbb.writeByte((byte) (id & 0xFF));
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bbb.writeBytes(name.getBytes(StandardCharsets.UTF_8));
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bb.writeShort(bbb.readableBytes());
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bb.writeBytes(bbb);
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bbb.release();
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out.add(new BinaryWebSocketFrame(bb));
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case 6: {
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break;
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}
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default: {
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throw new IOException("Unknown packet type " + packetId);
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}
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break;
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}
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case 6: {
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break;
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}
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default: {
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throw new IOException("Unknown packet type " + packetId);
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}
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return;
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}
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return;
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} catch (Exception ignored) {
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}
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} catch (Exception ignored) {
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in.resetReaderIndex();
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}
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in.resetReaderIndex();
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}
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out.add(new BinaryWebSocketFrame(in.retain()));
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}
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@ -438,35 +469,37 @@ public class EaglerServerHandler extends MessageToMessageCodec<WebSocketFrame, B
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}
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}
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public void decodeOld(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) {
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if (in.getUnsignedByte(0) == 0x14) {
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try {
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in.skipBytes(1);
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int eid = in.readInt();
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String name = Types1_6_4.STRING.read(in);
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UUID uuid = UUID.nameUUIDFromBytes(("OfflinePlayer:" + name).getBytes(StandardCharsets.UTF_8));
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eidUuidMap.put(eid, uuid);
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uuidStringMap.put(uuid, name);
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} catch (Exception ignored) {
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}
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in.resetReaderIndex();
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}
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if (in.getUnsignedByte(0) == 0x1D) {
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try {
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in.skipBytes(1);
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short count = in.readUnsignedByte();
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for (short i = 0; i < count; i++) {
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if (proxyConnection instanceof ProxyConnection) {
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if (in.getUnsignedByte(0) == 0x14) {
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try {
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in.skipBytes(1);
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int eid = in.readInt();
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if (eidUuidMap.containsKey(eid)) {
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uuidStringMap.remove(eidUuidMap.remove(eid));
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}
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String name = Types1_6_4.STRING.read(in);
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UUID uuid = UUID.nameUUIDFromBytes(("OfflinePlayer:" + name).getBytes(StandardCharsets.UTF_8));
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eidUuidMap.put(eid, uuid);
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uuidStringMap.put(uuid, name);
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} catch (Exception ignored) {
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}
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} catch (Exception ignored) {
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in.resetReaderIndex();
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}
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if (in.getUnsignedByte(0) == 0x1D) {
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try {
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in.skipBytes(1);
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short count = in.readUnsignedByte();
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for (short i = 0; i < count; i++) {
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int eid = in.readInt();
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if (eidUuidMap.containsKey(eid)) {
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uuidStringMap.remove(eidUuidMap.remove(eid));
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}
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}
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} catch (Exception ignored) {
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}
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in.resetReaderIndex();
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}
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if (in.getUnsignedByte(0) == 0x09) {
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eidUuidMap.clear();
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uuidStringMap.clear();
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}
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in.resetReaderIndex();
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}
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if (in.getUnsignedByte(0) == 0x09) {
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eidUuidMap.clear();
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uuidStringMap.clear();
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}
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if (in.getUnsignedByte(0) == 0xFD) {
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in.writerIndex(0);
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@ -481,16 +514,32 @@ public class EaglerServerHandler extends MessageToMessageCodec<WebSocketFrame, B
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byte[] msg;
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try {
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tag = Types1_6_4.STRING.read(in);
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if (tag.equals("EAG|UserSkin")) {
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if (proxyConnection instanceof ProxyConnection && tag.equals("EAG|UserSkin")) {
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msg = new byte[in.readShort()];
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in.readBytes(msg);
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short id = (short) ((msg[0] << 8) + msg[1]);
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if (!skinsBeingFetched.containsKey(id)) {
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return;
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}
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byte[] res = new byte[msg.length - 3];
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byte[] res = new byte[Math.min(16384, msg.length - 3)];
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System.arraycopy(msg, 3, res, 0, res.length);
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if (res.length == 8192) {
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if (res.length <= 16) {
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int presetId = res[0] & 0xFF;
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InputStream stream = Main.class.getResourceAsStream("/n" + presetId + ".png");
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if (stream != null) {
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try {
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res = ((DataBufferByte) ImageIO.read(stream).getRaster().getDataBuffer()).getData();
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for (int i = 0; i < res.length; i += 4) {
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final byte tmp = res[i];
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res[i] = res[i + 1];
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res[i + 1] = res[i + 2];
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res[i + 2] = res[i + 3];
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res[i + 3] = tmp;
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}
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} catch (IOException ignored) {}
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}
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}
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if (res.length >= 8192 && res.length < 16384) {
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final int[] tmp1 = new int[2048];
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final int[] tmp2 = new int[4096];
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for (int i = 0; i < tmp1.length; ++i) {
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@ -39,6 +39,22 @@ public class SkinService {
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final byte[] src = EaglerSkinHandler.skinCollection.get(searchUUID);
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byte[] res = new byte[src.length - 1];
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System.arraycopy(src, 1, res, 0, res.length);
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if (res.length <= 16) {
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int presetId = res[0] & 0xFF;
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InputStream stream = Main.class.getResourceAsStream("/n" + presetId + ".png");
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if (stream != null) {
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try {
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res = ((DataBufferByte) ImageIO.read(stream).getRaster().getDataBuffer()).getData();
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for (int i = 0; i < res.length; i += 4) {
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final byte tmp = res[i];
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res[i] = res[i + 1];
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res[i + 1] = res[i + 2];
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res[i + 2] = res[i + 3];
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res[i + 3] = tmp;
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}
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} catch (IOException ignored) {}
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}
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}
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if (res.length == 8192) {
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final int[] tmp1 = new int[2048];
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final int[] tmp2 = new int[4096];
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@ -122,10 +138,12 @@ public class SkinService {
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final byte type = packet[0];
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byte[] res;
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switch (type) {
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case 1:
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case 4: {
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res = new byte[16385];
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res[0] = 1;
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final int presetId = packet[17] << 24 | packet[18] << 16 | packet[19] << 8 | packet[20];
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final int o = type == 1 ? 16 : 0;
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final int presetId = packet[17 - o] << 24 | packet[18 - o] << 16 | packet[19 - o] << 8 | packet[20 - o];
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final InputStream stream = Main.class.getResourceAsStream("/" + presetId + ".png");
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if (stream == null) {
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throw new IOException("Invalid skin preset: " + presetId);
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@ -140,10 +158,12 @@ public class SkinService {
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}
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break;
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}
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case 2:
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case 5: {
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res = new byte[16385];
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res[0] = 1;
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System.arraycopy(packet, 18, res, 1, 16384);
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final int o = type == 2 ? 16 : 0;
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System.arraycopy(packet, 18 - o, res, 1, 16384);
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for (int i = 1; i < 16385; i += 4) {
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final byte tmp = res[i];
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res[i] = res[i + 1];
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