Custom Authentication Handler

2026-05-17 11:22:57 +08:00 · 2022-05-02 17:25:26 +08:00
parent 186c6bcf89
commit 73fc9fe4cc
3 changed files with 139 additions and 57 deletions
@@ -0,0 +1,84 @@
+package emu.grasscutter.server.dispatch.authentication;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.database.DatabaseHelper;
+import emu.grasscutter.game.Account;
+import emu.grasscutter.server.dispatch.json.LoginAccountRequestJson;
+import emu.grasscutter.server.dispatch.json.LoginResultJson;
+import express.http.Request;
+import express.http.Response;
+
+public class DefaultAuthenticationHandler implements AuthenticationHandler {
+
+    @Override
+    public void handleLogin(Request req, Response res) {
+        res.send("Authentication is not available with the default authentication method");
+    }
+
+    @Override
+    public void handleRegister(Request req, Response res) {
+        res.send("Authentication is not available with the default authentication method");
+    }
+
+    @Override
+    public void handleChangePassword(Request req, Response res) {
+        res.send("Authentication is not available with the default authentication method");
+    }
+
+    @Override
+    public LoginResultJson handleGameLogin(Request req, LoginAccountRequestJson requestData) {
+        LoginResultJson responseData = new LoginResultJson();
+
+        // Login
+        Account account = DatabaseHelper.getAccountByName(requestData.account);
+
+        // Check if account exists, else create a new one.
+        if (account == null) {
+            // Account doesnt exist, so we can either auto create it if the config value is
+            // set
+            if (Grasscutter.getConfig().getDispatchOptions().AutomaticallyCreateAccounts) {
+                // This account has been created AUTOMATICALLY. There will be no permissions
+                // added.
+                account = DatabaseHelper.createAccountWithId(requestData.account, 0);
+
+                for (String permission : Grasscutter.getConfig().getDispatchOptions().defaultPermissions) {
+                    account.addPermission(permission);
+                }
+
+                if (account != null) {
+                    responseData.message = "OK";
+                    responseData.data.account.uid = account.getId();
+                    responseData.data.account.token = account.generateSessionKey();
+                    responseData.data.account.email = account.getEmail();
+
+                    Grasscutter.getLogger()
+                            .info(String.format("[Dispatch] Client %s failed to log in: Account %s created",
+                                    req.ip(), responseData.data.account.uid));
+                } else {
+                    responseData.retcode = -201;
+                    responseData.message = "Username not found, create failed.";
+
+                    Grasscutter.getLogger().info(String.format(
+                            "[Dispatch] Client %s failed to log in: Account create failed", req.ip()));
+                }
+            } else {
+                responseData.retcode = -201;
+                responseData.message = "Username not found.";
+
+                Grasscutter.getLogger().info(String
+                        .format("[Dispatch] Client %s failed to log in: Account no found", req.ip()));
+            }
+        } else {
+            // Account was found, log the player in
+            responseData.message = "OK";
+            responseData.data.account.uid = account.getId();
+            responseData.data.account.token = account.generateSessionKey();
+            responseData.data.account.email = account.getEmail();
+
+            Grasscutter.getLogger().info(String.format("[Dispatch] Client %s logged in as %s", req.ip(),
+                    responseData.data.account.uid));
+        }
+
+        return responseData;
+    }
+}