feat: 魔改网易登录接口

api/build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 }
 
 java {
-    withJavadocJar()
+//    withJavadocJar()
     withSourcesJar()
 
     sourceSets["main"].java {

api/src/main/java/com/velocitypowered/api/proxy/config/ProxyConfig.java

@@ -148,4 +148,8 @@ public interface ProxyConfig {
    * @return read timeout (in milliseconds)
    */
   int getReadTimeout();
+
+  String getNeteaseAuthUrl();
+
+  String getNeteaseGameId();
 }

api/src/main/java/com/velocitypowered/api/util/GameProfile.java

@@ -19,7 +19,7 @@ public final class GameProfile {
 
   private final UUID id;
   private final String undashedId;
-  private final String name;
+  private String name;
   private final List<Property> properties;
 
   /**
@@ -80,6 +80,10 @@ public final class GameProfile {
     return name;
   }
 
+  public void setName(String name) {
+    this.name = name;
+  }
+
   /**
    * Returns an immutable list of profile properties associated with this profile.
    *
@@ -221,4 +225,116 @@ public final class GameProfile {
           + '}';
     }
   }
+
+  /**
+   * netease auth response.
+   */
+  public static class Response {
+    private Integer code = 0;
+    private String message;
+    private String details;
+    private ResponseEntity entity;
+
+    /**
+     * default constructor.
+     *
+     * @param code -
+     * @param message -
+     * @param details -
+     * @param entity the game profile
+     */
+    public Response(Integer code, String message, String details, ResponseEntity entity) {
+      this.code = code;
+      this.message = message;
+      this.details = details;
+      this.entity = entity;
+    }
+
+    public Integer getCode() {
+      return code;
+    }
+
+    public void setCode(Integer code) {
+      this.code = code;
+    }
+
+    public String getMessage() {
+      return message;
+    }
+
+    public void setMessage(String message) {
+      this.message = message;
+    }
+
+    public String getDetails() {
+      return details;
+    }
+
+    public void setDetails(String details) {
+      this.details = details;
+    }
+
+    public ResponseEntity getEntity() {
+      return entity;
+    }
+
+    public void setEntity(ResponseEntity entity) {
+      this.entity = entity;
+    }
+  }
+
+  /**
+   * netease auth response entity.
+   */
+  public static class ResponseEntity {
+    private String id;
+    private String name;
+    private List<Property> properties;
+
+    /**
+     * default constructor.
+     *
+     * @param id         -
+     * @param name       -
+     * @param properties -
+     */
+    public ResponseEntity(String id, String name, List<Property> properties) {
+      this.id = id;
+      this.name = name;
+      this.properties = properties;
+    }
+
+    public String getId() {
+      return id;
+    }
+
+    public void setId(String id) {
+      this.id = id;
+    }
+
+    public String getName() {
+      return name;
+    }
+
+    public void setName(String name) {
+      this.name = name;
+    }
+
+    public List<Property> getProperties() {
+      return properties;
+    }
+
+    public void setProperties(List<Property> properties) {
+      this.properties = properties;
+    }
+
+    @Override
+    public String toString() {
+      return "ResponseEntity{"
+             + "id='" + id + '\''
+             + ", name='" + name + '\''
+             + ", properties=" + properties
+             + '}';
+    }
+  }
 }

proxy/src/main/java/com/velocitypowered/proxy/config/VelocityConfiguration.java

@@ -92,6 +92,11 @@ public class VelocityConfiguration implements ProxyConfig {
   @Expose
   private boolean forceKeyAuthentication = true; // Added in 1.19
 
+  @Expose
+  private String authUrl = "http://192.168.46.50:9999/check";
+  @Expose
+  private String gameId = "77140593557373952";
+
   private VelocityConfiguration(Servers servers, ForcedHosts forcedHosts, Advanced advanced,
       Query query, Metrics metrics) {
     this.servers = servers;
@@ -106,7 +111,8 @@ public class VelocityConfiguration implements ProxyConfig {
       PlayerInfoForwarding playerInfoForwardingMode, byte[] forwardingSecret,
       boolean onlineModeKickExistingPlayers, PingPassthroughMode pingPassthrough,
       boolean enablePlayerAddressLogging, Servers servers, ForcedHosts forcedHosts,
-      Advanced advanced, Query query, Metrics metrics, boolean forceKeyAuthentication) {
+      Advanced advanced, Query query, Metrics metrics, boolean forceKeyAuthentication,
+      String authUrl, String gameId) {
     this.bind = bind;
     this.motd = motd;
     this.showMaxPlayers = showMaxPlayers;
@@ -124,6 +130,8 @@ public class VelocityConfiguration implements ProxyConfig {
     this.query = query;
     this.metrics = metrics;
     this.forceKeyAuthentication = forceKeyAuthentication;
+    this.authUrl = authUrl;
+    this.gameId = gameId;
   }
 
   /**
@@ -407,6 +415,16 @@ public class VelocityConfiguration implements ProxyConfig {
     return forceKeyAuthentication;
   }
 
+  @Override
+  public String getNeteaseAuthUrl() {
+    return authUrl;
+  }
+
+  @Override
+  public String getNeteaseGameId() {
+    return gameId;
+  }
+
   @Override
   public String toString() {
     return MoreObjects.toStringHelper(this)
@@ -424,6 +442,8 @@ public class VelocityConfiguration implements ProxyConfig {
         .add("favicon", favicon)
         .add("enablePlayerAddressLogging", enablePlayerAddressLogging)
         .add("forceKeyAuthentication", forceKeyAuthentication)
+        .add("authUrl", authUrl)
+        .add("gameId", gameId)
         .toString();
   }
 
@@ -521,6 +541,8 @@ public class VelocityConfiguration implements ProxyConfig {
               || forwardingMode == PlayerInfoForwarding.BUNGEEGUARD)) {
         throw new RuntimeException("The forwarding-secret file must not be empty.");
       }
+      final String authUrl = config.getOrElse("auth-url", "http://192.168.46.50:9999/check");
+      final String gameId = config.getOrElse("game-id", "77140593557373952");
 
       return new VelocityConfiguration(
               bind,
@@ -539,7 +561,9 @@ public class VelocityConfiguration implements ProxyConfig {
               new Advanced(advancedConfig),
               new Query(queryConfig),
               new Metrics(metricsConfig),
-              forceKeyAuthentication
+              forceKeyAuthentication,
+              authUrl,
+              gameId
       );
     }
   }

proxy/src/main/java/com/velocitypowered/proxy/connection/client/InitialLoginSessionHandler.java

@@ -17,7 +17,6 @@
 
 package com.velocitypowered.proxy.connection.client;
 
-import static com.google.common.net.UrlEscapers.urlFormParameterEscaper;
 import static com.velocitypowered.proxy.VelocityServer.GENERAL_GSON;
 import static com.velocitypowered.proxy.connection.VelocityConstants.EMPTY_BYTE_ARRAY;
 import static com.velocitypowered.proxy.crypto.EncryptionUtils.decryptRsa;
@@ -25,6 +24,7 @@ import static com.velocitypowered.proxy.crypto.EncryptionUtils.generateServerId;
 
 import com.google.common.base.Preconditions;
 import com.google.common.primitives.Longs;
+import com.google.gson.JsonObject;
 import com.velocitypowered.api.event.connection.PreLoginEvent;
 import com.velocitypowered.api.event.connection.PreLoginEvent.PreLoginComponentResult;
 import com.velocitypowered.api.network.ProtocolVersion;
@@ -50,6 +50,7 @@ import java.net.http.HttpResponse;
 import java.security.GeneralSecurityException;
 import java.security.KeyPair;
 import java.security.MessageDigest;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Optional;
 import java.util.concurrent.ThreadLocalRandom;
@@ -198,22 +199,23 @@ public class InitialLoginSessionHandler implements MinecraftSessionHandler {
         }
       }
 
-      byte[] decryptedSharedSecret = decryptRsa(serverKeyPair, packet.getSharedSecret());
-      String serverId = generateServerId(decryptedSharedSecret, serverKeyPair.getPublic());
+      final byte[] decryptedSharedSecret = decryptRsa(serverKeyPair, packet.getSharedSecret());
+      final String serverId = generateServerId(decryptedSharedSecret, serverKeyPair.getPublic());
+      final String playerIp = ((InetSocketAddress) mcConnection.getRemoteAddress()).getHostString();
 
-      String playerIp = ((InetSocketAddress) mcConnection.getRemoteAddress()).getHostString();
-      String url = String.format(MOJANG_HASJOINED_URL,
-          urlFormParameterEscaper().escape(login.getUsername()), serverId);
+      JsonObject data = new JsonObject();
+      data.addProperty("username", login.getUsername());
+      data.addProperty("serverId", serverId);
+      data.addProperty("gameID", server.getConfiguration().getNeteaseGameId());
 
-      if (server.getConfiguration().shouldPreventClientProxyConnections()) {
-        url += "&ip=" + urlFormParameterEscaper().escape(playerIp);
-      }
-
-      final HttpRequest httpRequest = HttpRequest.newBuilder()
-              .setHeader("User-Agent",
-                      server.getVersion().getName() + "/" + server.getVersion().getVersion())
-              .uri(URI.create(url))
+      HttpRequest httpRequest = HttpRequest.newBuilder()
+              .headers(
+                      "User-Agent", server.getVersion().getName() + "/" + server.getVersion().getVersion(),
+                      "Content-Type", "application/json"
+              ).POST(HttpRequest.BodyPublishers.ofString(data.toString()))
+              .uri(URI.create(server.getConfiguration().getNeteaseAuthUrl()))
               .build();
+
       final HttpClient httpClient = server.createHttpClient();
       httpClient.sendAsync(httpRequest, HttpResponse.BodyHandlers.ofString())
           .whenCompleteAsync((response, throwable) -> {
@@ -240,31 +242,53 @@ public class InitialLoginSessionHandler implements MinecraftSessionHandler {
               return;
             }
 
-            if (response.statusCode() == 200) {
-              final GameProfile profile = GENERAL_GSON.fromJson(response.body(),
-                  GameProfile.class);
-              // Not so fast, now we verify the public key for 1.19.1+
-              if (inbound.getIdentifiedKey() != null
-                  && inbound.getIdentifiedKey().getKeyRevision() == IdentifiedKey.Revision.LINKED_V2
-                  && inbound.getIdentifiedKey() instanceof final IdentifiedKeyImpl key) {
-                if (!key.internalAddHolder(profile.getId())) {
-                  inbound.disconnect(
-                      Component.translatable("multiplayer.disconnect.invalid_public_key"));
+            try {
+              if (response.statusCode() == 200) {
+                final GameProfile.Response authResponse = GENERAL_GSON.fromJson(response.body(),
+                        GameProfile.Response.class);
+                if (authResponse.getCode() != 0) {
+                  inbound.disconnect(Component.translatable("multiplayer.disconnect.authservers_down"));
+                  logger.error("Error authenticating {} with netease", login.getUsername());
+                } else {
+                  GameProfile.ResponseEntity entity = authResponse.getEntity();
+                  if (entity.getName() == null || entity.getName().isEmpty()) {
+                    entity.setName(login.getUsername());
+                  }
+                  if (entity.getProperties() == null) {
+                    entity.setProperties(new ArrayList<>());
+                  }
+                  if (entity.getId() == null) {
+                    inbound.disconnect(
+                            Component.translatable("velocity.error.online-mode-only", NamedTextColor.RED));
+                  } else {
+                    GameProfile profile = new GameProfile(entity.getId(), entity.getName(), entity.getProperties());
+                    // Not so fast, now we verify the public key for 1.19.1+
+                    if (inbound.getIdentifiedKey() != null
+                        && inbound.getIdentifiedKey().getKeyRevision() == IdentifiedKey.Revision.LINKED_V2
+                        && inbound.getIdentifiedKey() instanceof final IdentifiedKeyImpl key) {
+                      if (!key.internalAddHolder(profile.getId())) {
+                        inbound.disconnect(
+                                Component.translatable("multiplayer.disconnect.invalid_public_key"));
+                      }
+                    }
+                    // All went well, initialize the session.
+                    mcConnection.setActiveSessionHandler(StateRegistry.LOGIN,
+                            new AuthSessionHandler(server, inbound, profile, true));
+                  }
                 }
+              } else if (response.statusCode() == 204) {
+                // Apparently an offline-mode user logged onto this online-mode proxy.
+                inbound.disconnect(
+                        Component.translatable("velocity.error.online-mode-only", NamedTextColor.RED));
+              } else {
+                // Something else went wrong
+                logger.error(
+                        "Got an unexpected error code {} whilst contacting Mojang to log in {} ({})",
+                        response.statusCode(), login.getUsername(), playerIp);
+                inbound.disconnect(Component.translatable("multiplayer.disconnect.authservers_down"));
               }
-              // All went well, initialize the session.
-              mcConnection.setActiveSessionHandler(StateRegistry.LOGIN,
-                  new AuthSessionHandler(server, inbound, profile, true));
-            } else if (response.statusCode() == 204) {
-              // Apparently an offline-mode user logged onto this online-mode proxy.
-              inbound.disconnect(
-                  Component.translatable("velocity.error.online-mode-only", NamedTextColor.RED));
-            } else {
-              // Something else went wrong
-              logger.error(
-                  "Got an unexpected error code {} whilst contacting Mojang to log in {} ({})",
-                  response.statusCode(), login.getUsername(), playerIp);
-              inbound.disconnect(Component.translatable("multiplayer.disconnect.authservers_down"));
+            } catch (Exception e) {
+              logger.error("Got an unexpected error", e);
             }
           }, mcConnection.eventLoop())
           .thenRun(() -> {

proxy/src/main/resources/default-velocity.toml

@@ -69,6 +69,20 @@ ping-passthrough = "DISABLED"
 # If not enabled (default is true) player IP addresses will be replaced by <ip address withheld> in logs
 enable-player-address-logging = true
 
+# 认证链接
+# 正式环境：http://x19authserver.nie.netease.com/check
+# 测试环境：http://x19authexpr.nie.netease.com/check
+# 1.20版本请使用以下接口：
+# 正式环境：https://x19apigatewayobt.nie.netease.com/pcauth/check
+# 测试环境：https://x19apigatewayexpr.nie.netease.com/pcauth/check
+# 另有外网测试认证接口，对应接入test版bc认证，通常情况下不使用，需要启用时会另行沟通。
+# http://x19authtest.nie.netease.com/check
+auth-url = "http://192.168.46.50:9999/check"
+
+# 网络服游戏 id
+# 在开发者平台中可以查看
+game-id = "77140593557373952"
+
 [servers]
 # Configure your servers here. Each key represents the server's name, and the value
 # represents the IP address of the server to connect to.