🐛 Fix android cannot get username

build.gradle

@@ -10,7 +10,7 @@ sourceCompatibility = 17
 targetCompatibility = 17
 
 group 'com.xtaolabs.gcauth_oauth'
-version '1.1.0'
+version '1.1.1'
 
 repositories {
     mavenCentral()

src/main/java/com/xtaolabs/gcauth_oauth/handler/GCAuthAuthenticationHandler.java

@@ -8,7 +8,7 @@
 
 public class GCAuthAuthenticationHandler implements AuthenticationSystem {
     private final Authenticator<LoginResultJson> gcAuthAuthenticator = new GCAuthenticators.GCAuthAuthenticator();
-    private final Authenticator<LoginResultJson> tokenAuthenticator = new DefaultAuthenticators.TokenAuthenticator();
+    private final Authenticator<LoginResultJson> tokenAuthenticator = new GCAuthenticators.TokenAuthenticator();
     private final Authenticator<ComboTokenResJson> sessionKeyAuthenticator = new DefaultAuthenticators.SessionKeyAuthenticator();
     private final GCAuthExternalAuthenticator externalAuthenticator = new GCAuthExternalAuthenticator();
 

src/main/java/com/xtaolabs/gcauth_oauth/handler/GCAuthenticators.java

@@ -3,15 +3,16 @@
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.auth.AuthenticationSystem;
 import emu.grasscutter.auth.Authenticator;
+import emu.grasscutter.database.DatabaseHelper;
 import emu.grasscutter.game.Account;
 import emu.grasscutter.server.http.objects.LoginResultJson;
+import static emu.grasscutter.utils.Language.translate;
 
 import me.exzork.gcauth.utils.Authentication;
 
 public class GCAuthenticators {
 
     public static class GCAuthAuthenticator implements Authenticator<LoginResultJson> {
-
         @Override
         public LoginResultJson authenticate(AuthenticationSystem.AuthenticationRequest authenticationRequest) {
             var response = new LoginResultJson();
@@ -38,4 +39,49 @@ public LoginResultJson authenticate(AuthenticationSystem.AuthenticationRequest a
             return response;
         }
     }
+
+    /**
+     * Handles the authentication request from the game when using a registry token.
+     */
+    public static class TokenAuthenticator implements Authenticator<LoginResultJson> {
+        @Override
+        public LoginResultJson authenticate(AuthenticationSystem.AuthenticationRequest request) {
+            var response = new LoginResultJson();
+
+            var requestData = request.getTokenRequest();
+            assert requestData != null;
+
+            boolean successfulLogin;
+            String address = request.getRequest().ip();
+
+            // Log the attempt.
+            Grasscutter.getLogger().info(translate("messages.dispatch.account.login_token_attempt", address));
+
+            // Get account from database.
+            Account account = DatabaseHelper.getAccountById(requestData.uid);
+
+            // Check if account exists/token is valid.
+            successfulLogin = account != null && account.getSessionKey().equals(requestData.token);
+
+            // Set response data.
+            if(successfulLogin) {
+                response.message = "OK";
+                response.data.account.uid = account.getId();
+                response.data.account.token = account.getSessionKey();
+                response.data.account.email = account.getEmail();
+                response.data.account.twitter_name = account.getUsername();
+
+                // Log the login.
+                Grasscutter.getLogger().info(translate("messages.dispatch.account.login_token_success", address, requestData.uid));
+            } else {
+                response.retcode = -201;
+                response.message = translate("messages.dispatch.account.account_cache_error");
+
+                // Log the failure.
+                Grasscutter.getLogger().info(translate("messages.dispatch.account.login_token_error", address));
+            }
+
+            return response;
+        }
+    }
 }

src/main/resources/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "GCAuth_OAuth",
   "description": "The in-game login system for Grasscutter is based on oauth and GCAuth.",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "author": ["omg-xtao"],
   "mainClass": "com.xtaolabs.gcauth_oauth.GCAuth_OAuth"
 }