Resolve #3137

src/config/load.ts

@@ -49,6 +49,8 @@ export default function load() {
 	if (config.localDriveCapacityMb == null) config.localDriveCapacityMb = 256;
 	if (config.remoteDriveCapacityMb == null) config.remoteDriveCapacityMb = 8;
 
+	if (config.autoAdmin == null) config.autoAdmin = false;
+
 	return Object.assign(config, mixin);
 }
 

src/config/types.ts

@@ -58,6 +58,8 @@ export type Source = {
 		config?: any;
 	};
 
+	autoAdmin?: boolean;
+
 	/**
 	 * ゴーストアカウントのID
 	 */

src/server/api/private/signup.ts

@@ -67,6 +67,8 @@ export default async (ctx: Koa.Context) => {
 		return;
 	}
 
+	const usersCount = await User.count({});
+
 	// Fetch exist user that same username
 	const usernameExist = await User
 		.count({
@@ -106,6 +108,7 @@ export default async (ctx: Koa.Context) => {
 		token: secret,
 		email: null,
 		password: hash,
+		isAdmin: config.autoAdmin && usersCount === 0,
 		profile: {
 			bio: null,
 			birthday: null,