Custom Authentication Handler

This commit is contained in:
Benjamin Elsdon 2022-05-02 17:25:26 +08:00 committed by Melledy
parent 50740b3560
commit 29b5157d42
3 changed files with 139 additions and 57 deletions

View File

@ -14,6 +14,8 @@ import emu.grasscutter.net.proto.QueryCurrRegionHttpRspOuterClass.QueryCurrRegio
import emu.grasscutter.net.proto.QueryRegionListHttpRspOuterClass.QueryRegionListHttpRsp;
import emu.grasscutter.net.proto.RegionInfoOuterClass.RegionInfo;
import emu.grasscutter.net.proto.RegionSimpleInfoOuterClass.RegionSimpleInfo;
import emu.grasscutter.server.dispatch.authentication.AuthenticationHandler;
import emu.grasscutter.server.dispatch.authentication.DefaultAuthenticationHandler;
import emu.grasscutter.server.dispatch.json.*;
import emu.grasscutter.server.dispatch.json.ComboTokenReqJson.LoginTokenData;
import emu.grasscutter.server.event.dispatch.QueryAllRegionsEvent;
@ -39,6 +41,7 @@ public final class DispatchServer {
public String regionListBase64;
public Map<String, RegionData> regions;
private AuthenticationHandler authHandler;
private Express httpServer;
public DispatchServer() {
@ -251,6 +254,16 @@ public final class DispatchServer {
ctx.result("<!doctype html><html lang=\"en\"><body><img src=\"https://http.cat/404\" /></body></html>"); // I'm like 70% sure this won't break anything.
});
// Authentication Handler
// These routes are so that authentication routes are always the same no matter what auth system is used.
httpServer.get("/authentication/type", (req, res) -> {
res.send(this.getAuthHandler().getClass().getName());
});
httpServer.post("/authentication/login", (req, res) -> this.getAuthHandler().handleLogin(req, res));
httpServer.post("/authentication/register", (req, res) -> this.getAuthHandler().handleRegister(req, res));
httpServer.post("/authentication/change_password", (req, res) -> this.getAuthHandler().handleChangePassword(req, res));
// Dispatch
httpServer.get("/query_region_list", (req, res) -> {
// Log
@ -287,69 +300,15 @@ public final class DispatchServer {
try {
String body = req.ctx().body();
requestData = getGsonFactory().fromJson(body, LoginAccountRequestJson.class);
} catch (Exception ignored) {
}
} catch (Exception ignored) { }
// Create response json
if (requestData == null) {
return;
}
LoginResultJson responseData = new LoginResultJson();
Grasscutter.getLogger().info(String.format("[Dispatch] Client %s is trying to log in", req.ip()));
Grasscutter.getLogger()
.info(String.format("[Dispatch] Client %s is trying to log in", req.ip()));
// 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));
}
res.send(responseData);
res.send(authHandler.handleGameLogin(req, requestData));
});
// Login via token
@ -523,6 +482,29 @@ public final class DispatchServer {
return result;
}
public AuthenticationHandler getAuthHandler() {
if(authHandler == null) {
return new DefaultAuthenticationHandler();
}
Grasscutter.getLogger().info(authHandler.getClass().getName());
return authHandler;
}
public boolean registerAuthHandler(AuthenticationHandler authHandler) {
if(this.authHandler != null) {
Grasscutter.getLogger().error(String.format("[Dispatch] Unable to register '%s' authentication handler. \n" +
"The '%s' authentication handler has already been registered", authHandler.getClass().getName(), this.authHandler.getClass().getName()));
return false;
}
this.authHandler = authHandler;
return true;
}
public void resetAuthHandler() {
this.authHandler = null;
}
public static class RegionData {
QueryCurrRegionHttpRsp parsedRegionQuery;
String Base64;

View File

@ -0,0 +1,16 @@
package emu.grasscutter.server.dispatch.authentication;
import emu.grasscutter.server.dispatch.json.LoginAccountRequestJson;
import emu.grasscutter.server.dispatch.json.LoginResultJson;
import express.http.Request;
import express.http.Response;
public interface AuthenticationHandler {
// This is in case plugins also want some sort of authentication
void handleLogin(Request req, Response res);
void handleRegister(Request req, Response res);
void handleChangePassword(Request req, Response res);
LoginResultJson handleGameLogin(Request req, LoginAccountRequestJson requestData);
}

View File

@ -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;
}
}