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Initial skin support

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This commit is contained in:
DoctorMacc 2020-08-19 23:13:05 -04:00
parent d37113388b
commit ec87344a77
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GPG key ID: 6D6E7E059F186DB4
8 changed files with 129 additions and 16 deletions
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2
bootstrap/spigot/src/main/java/org/geysermc/platform/spigot/GeyserSpigotConfiguration.java
View file

@ -48,7 +48,7 @@ public class GeyserSpigotConfiguration extends GeyserJacksonConfiguration {
private Path floodgateKey;
public void loadFloodgate(GeyserSpigotPlugin plugin) {
Plugin floodgate = Bukkit.getPluginManager().getPlugin("floodgate-bukkit");
Plugin floodgate = Bukkit.getPluginManager().getPlugin("floodgate-spigot");
floodgateKey = FloodgateKeyLoader.getKey(plugin.getGeyserLogger(), this, Paths.get(plugin.getDataFolder().toString(), plugin.getConfig().getString("floodgate-key-file", "public-key.pem")), floodgate, floodgate != null ? floodgate.getDataFolder().toPath() : null);
}

2
bootstrap/spigot/src/main/java/org/geysermc/platform/spigot/GeyserSpigotPlugin.java
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@ -93,7 +93,7 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
this.geyserLogger = new GeyserSpigotLogger(getLogger(), geyserConfig.isDebugMode());
GeyserConfiguration.checkGeyserConfiguration(geyserConfig, geyserLogger);
if (geyserConfig.getRemote().getAuthType().equals("floodgate") && Bukkit.getPluginManager().getPlugin("floodgate-bukkit") == null) {
if (geyserConfig.getRemote().getAuthType().equals("floodgate") && Bukkit.getPluginManager().getPlugin("floodgate-spigot") == null) {
geyserLogger.severe(LanguageUtils.getLocaleStringLog("geyser.bootstrap.floodgate.not_installed") + " " + LanguageUtils.getLocaleStringLog("geyser.bootstrap.floodgate.disabling"));
this.getPluginLoader().disablePlugin(this);
return;

20
common/src/main/java/org/geysermc/floodgate/util/BedrockData.java
View file

@ -51,19 +51,21 @@ public final class BedrockData {
private final LinkedPlayer linkedPlayer;
private final int dataLength;
private RawSkin skin;
public BedrockData(String version, String username, String xuid, int deviceOs,
String languageCode, int uiProfile, int inputMode, String ip,
LinkedPlayer linkedPlayer) {
LinkedPlayer linkedPlayer, RawSkin skin) {
this(version, username, xuid, deviceOs, languageCode,
inputMode, uiProfile, ip, linkedPlayer, EXPECTED_LENGTH);
inputMode, uiProfile, ip, linkedPlayer, EXPECTED_LENGTH, skin);
}
public BedrockData(String version, String username, String xuid, int deviceOs,
String languageCode, int uiProfile, int inputMode, String ip) {
this(version, username, xuid, deviceOs, languageCode, uiProfile, inputMode, ip, null);
String languageCode, int uiProfile, int inputMode, String ip, RawSkin skin) {
this(version, username, xuid, deviceOs, languageCode, uiProfile, inputMode, ip, null, skin);
}
public static BedrockData fromString(String data) {
public static BedrockData fromString(String data, String skin) {
String[] split = data.split("\0");
if (split.length != EXPECTED_LENGTH) return emptyData(split.length);
@ -72,12 +74,12 @@ public final class BedrockData {
return new BedrockData(
split[0], split[1], split[2], Integer.parseInt(split[3]), split[4],
Integer.parseInt(split[5]), Integer.parseInt(split[6]), split[7],
linkedPlayer, split.length
linkedPlayer, split.length, RawSkin.parse(skin)
);
}
public static BedrockData fromRawData(byte[] data) {
return fromString(new String(data));
public static BedrockData fromRawData(byte[] data, String skin) {
return fromString(new String(data), skin);
}
@Override
@ -93,6 +95,6 @@ public final class BedrockData {
}
private static BedrockData emptyData(int dataLength) {
return new BedrockData(null, null, null, -1, null, -1, -1, null, null, dataLength);
return new BedrockData(null, null, null, -1, null, -1, -1, null, null, dataLength, null);
}
}

11
common/src/main/java/org/geysermc/floodgate/util/EncryptionUtil.java
View file

@ -58,9 +58,14 @@ public final class EncryptionUtil {
Base64.getEncoder().encodeToString(encryptedText);
}
public static String encryptBedrockData(Key key, BedrockData data, boolean includeSkin) throws IllegalBlockSizeException,
InvalidKeyException, BadPaddingException, NoSuchAlgorithmException, NoSuchPaddingException {
return encrypt(key, data.toString()) + (includeSkin ? data.getSkin() : "");
}
public static String encryptBedrockData(Key key, BedrockData data) throws IllegalBlockSizeException,
InvalidKeyException, BadPaddingException, NoSuchAlgorithmException, NoSuchPaddingException {
return encrypt(key, data.toString());
return encryptBedrockData(key, data, true);
}
public static byte[] decrypt(Key key, String encryptedData) throws IllegalBlockSizeException,
@ -80,9 +85,9 @@ public final class EncryptionUtil {
return cipher.doFinal(Base64.getDecoder().decode(split[1]));
}
public static BedrockData decryptBedrockData(Key key, String encryptedData) throws IllegalBlockSizeException,
public static BedrockData decryptBedrockData(Key key, String encryptedData, String skin) throws IllegalBlockSizeException,
InvalidKeyException, BadPaddingException, NoSuchAlgorithmException, NoSuchPaddingException {
return BedrockData.fromRawData(decrypt(key, encryptedData));
return BedrockData.fromRawData(decrypt(key, encryptedData), skin);
}
@SuppressWarnings("unchecked")

56
common/src/main/java/org/geysermc/floodgate/util/RawSkin.java Normal file
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@ -0,0 +1,56 @@
/*
* Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.floodgate.util;
import lombok.AllArgsConstructor;
import java.nio.charset.StandardCharsets;
@AllArgsConstructor
public class RawSkin {
public int width;
public int height;
public byte[] data;
private RawSkin() {}
public static RawSkin parse(String data) {
if (data == null) return null;
String[] split = data.split(":");
if (split.length != 3) return null;
RawSkin skin = new RawSkin();
skin.width = Integer.parseInt(split[0]);
skin.height = Integer.parseInt(split[1]);
skin.data = split[2].getBytes(StandardCharsets.UTF_8);
return skin;
}
@Override
public String toString() {
return Integer.toString(width) + ':' + height + ':' + new String(data);
}
}

3
connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java
View file

@ -371,7 +371,8 @@ public class GeyserSession implements CommandSender {
clientData.getLanguageCode(),
clientData.getUiProfile().ordinal(),
clientData.getCurrentInputMode().ordinal(),
upstream.getSession().getAddress().getAddress().getHostAddress()
upstream.getSession().getAddress().getAddress().getHostAddress(),
clientData.getImage("Skin")
));
} catch (Exception e) {
connector.getLogger().error(LanguageUtils.getLocaleStringLog("geyser.auth.floodgate.encrypt_fail"), e);

47
connector/src/main/java/org/geysermc/connector/network/session/auth/BedrockClientData.java
View file

@ -25,18 +25,25 @@
package org.geysermc.connector.network.session.auth;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.Getter;
import net.minidev.json.JSONObject;
import org.geysermc.floodgate.util.DeviceOs;
import org.geysermc.floodgate.util.InputMode;
import org.geysermc.floodgate.util.RawSkin;
import org.geysermc.floodgate.util.UiProfile;
import java.util.Base64;
import java.util.UUID;
@JsonIgnoreProperties(ignoreUnknown = true)
@Getter
public final class BedrockClientData {
@JsonIgnore
private JSONObject jsonData;
@JsonProperty(value = "GameVersion")
private String gameVersion;
@JsonProperty(value = "ServerAddress")
@ -104,4 +111,44 @@ public final class BedrockClientData {
private String skinColor;
@JsonProperty(value = "ThirdPartyNameOnly")
private boolean thirdPartyNameOnly;
public void setJsonData(JSONObject data) {
if (this.jsonData != null && data != null) {
this.jsonData = data;
}
}
/**
* Taken from https://github.com/NukkitX/Nukkit/blob/master/src/main/java/cn/nukkit/network/protocol/LoginPacket.java<br>
* Internally only used for Skins, but can be used for Capes too
*/
public RawSkin getImage(String name) {
if (jsonData == null || !jsonData.containsKey(name + "Data")) return null;
byte[] image = Base64.getDecoder().decode(jsonData.getAsString(name + "Data"));
if (jsonData.containsKey(name + "ImageWidth") && jsonData.containsKey(name + "ImageHeight")) {
return new RawSkin(
(int) jsonData.getAsNumber(name + "ImageWidth"),
(int) jsonData.get(name + "ImageHeight"),
image
);
}
return getLegacyImage(image);
}
private static RawSkin getLegacyImage(byte[] imageData) {
if (imageData == null) return null;
// width * height * 4 (rgba)
switch (imageData.length) {
case 8192:
return new RawSkin(64, 32, imageData);
case 16384:
return new RawSkin(64, 64, imageData);
case 32768:
return new RawSkin(64, 128, imageData);
case 65536:
return new RawSkin(128, 128, imageData);
default:
throw new IllegalArgumentException("Unknown legacy skin size");
}
}
}

4
connector/src/main/java/org/geysermc/connector/utils/LoginEncryptionUtils.java
View file

@ -131,7 +131,9 @@ public class LoginEncryptionUtils {
JWSObject clientJwt = JWSObject.parse(clientData);
EncryptionUtils.verifyJwt(clientJwt, identityPublicKey);
session.setClientData(JSON_MAPPER.convertValue(JSON_MAPPER.readTree(clientJwt.getPayload().toBytes()), BedrockClientData.class));
BedrockClientData data = JSON_MAPPER.convertValue(JSON_MAPPER.readTree(clientJwt.getPayload().toBytes()), BedrockClientData.class);
data.setJsonData(clientJwt.getPayload().toJSONObject());
session.setClientData(data);
if (EncryptionUtils.canUseEncryption()) {
LoginEncryptionUtils.startEncryptionHandshake(session, identityPublicKey);