3 files changed, 57 insertions, 17 deletions

diff --git a/src/server/api/endpoints/admin/update-meta.ts b/src/server/api/endpoints/admin/update-meta.ts
index b4b2b231ab..85266b47cf 100644
--- a/src/server/api/endpoints/admin/update-meta.ts
+++ b/src/server/api/endpoints/admin/update-meta.ts
@@ -88,6 +88,27 @@ export const meta = {
 			desc: {
 				'ja-JP': 'リモートのファイルをキャッシュするか否か'
 			}
+		},
+
+		enableRecaptcha: {
+			validator: $.bool.optional,
+			desc: {
+				'ja-JP': 'reCAPTCHAを使用するか否か'
+			}
+		},
+
+		recaptchaSiteKey: {
+			validator: $.str.optional,
+			desc: {
+				'ja-JP': 'reCAPTCHA site key'
+			}
+		},
+
+		recaptchaSecretKey: {
+			validator: $.str.optional,
+			desc: {
+				'ja-JP': 'reCAPTCHA secret key'
+			}
 		}
 	}
 };
@@ -139,6 +160,18 @@ export default define(meta, (ps) => new Promise(async (res, rej) => {
 		set.cacheRemoteFiles = ps.cacheRemoteFiles;
 	}
 
+	if (ps.enableRecaptcha !== undefined) {
+		set.enableRecaptcha = ps.enableRecaptcha;
+	}
+
+	if (ps.recaptchaSiteKey !== undefined) {
+		set.recaptchaSiteKey = ps.recaptchaSiteKey;
+	}
+
+	if (ps.recaptchaSecretKey !== undefined) {
+		set.recaptchaSecretKey = ps.recaptchaSecretKey;
+	}
+
 	await Meta.update({}, {
 		$set: set
 	}, { upsert: true });
diff --git a/src/server/api/endpoints/meta.ts b/src/server/api/endpoints/meta.ts
index e3d3ad520f..3ed225cc5f 100644
--- a/src/server/api/endpoints/meta.ts
+++ b/src/server/api/endpoints/meta.ts
@@ -35,7 +35,7 @@ export default define(meta, (ps, me) => new Promise(async (res, rej) => {
 		}
 	});
 
-	res({
+	const response: any = {
 		maintainer: config.maintainer,
 
 		version: pkg.version,
@@ -60,24 +60,32 @@ export default define(meta, (ps, me) => new Promise(async (res, rej) => {
 		driveCapacityPerLocalUserMb: instance.localDriveCapacityMb,
 		driveCapacityPerRemoteUserMb: instance.remoteDriveCapacityMb,
 		cacheRemoteFiles: instance.cacheRemoteFiles,
-		recaptchaSitekey: config.recaptcha ? config.recaptcha.site_key : null,
+		recaptchaSiteKey: instance.enableRecaptcha ? instance.recaptchaSiteKey : null,
 		swPublickey: config.sw ? config.sw.public_key : null,
-		hidedTags: (me && me.isAdmin) ? instance.hidedTags : undefined,
 		bannerUrl: instance.bannerUrl,
 		maxNoteTextLength: instance.maxNoteTextLength,
 
 		emojis: emojis,
+	};
 
-		features: ps.detail ? {
+	if (ps.detail) {
+		response.features = {
 			registration: !instance.disableRegistration,
 			localTimeLine: !instance.disableLocalTimeline,
 			elasticsearch: config.elasticsearch ? true : false,
-			recaptcha: config.recaptcha ? true : false,
+			recaptcha: instance.enableRecaptcha,
 			objectStorage: config.drive && config.drive.storage === 'minio',
 			twitter: config.twitter ? true : false,
 			github: config.github ? true : false,
 			serviceWorker: config.sw ? true : false,
 			userRecommendation: config.user_recommendation ? config.user_recommendation : {}
-		} : undefined
-	});
+		};
+	}
+
+	if (me && me.isAdmin) {
+		response.hidedTags = instance.hidedTags;
+		response.recaptchaSecretKey = instance.recaptchaSecretKey;
+	}
+
+	res(response);
 }));
diff --git a/src/server/api/private/signup.ts b/src/server/api/private/signup.ts
index eefffd8554..3a367ff119 100644
--- a/src/server/api/private/signup.ts
+++ b/src/server/api/private/signup.ts
@@ -1,7 +1,6 @@
 import * as Koa from 'koa';
 import * as bcrypt from 'bcryptjs';
 import { generate as generateKeypair } from '../../../crypto_key';
-const recaptcha = require('recaptcha-promise');
 import User, { IUser, validateUsername, validatePassword, pack } from '../../../models/user';
 import generateUserToken from '../common/generate-native-user-token';
 import config from '../../../config';
@@ -10,18 +9,20 @@ import RegistrationTicket from '../../../models/registration-tickets';
 import usersChart from '../../../chart/users';
 import fetchMeta from '../../../misc/fetch-meta';
 
-if (config.recaptcha) {
-	recaptcha.init({
-		secret_key: config.recaptcha.secret_key
-	});
-}
-
 export default async (ctx: Koa.Context) => {
 	const body = ctx.request.body as any;
 
+	const instance = await fetchMeta();
+
+	const recaptcha = require('recaptcha-promise');
+
 	// Verify recaptcha
 	// ただしテスト時はこの機構は障害となるため無効にする
-	if (process.env.NODE_ENV !== 'test' && config.recaptcha != null) {
+	if (process.env.NODE_ENV !== 'test' && instance.enableRecaptcha) {
+		recaptcha.init({
+			secret_key: instance.recaptchaSecretKey
+		});
+
 		const success = await recaptcha(body['g-recaptcha-response']);
 
 		if (!success) {
@@ -34,8 +35,6 @@ export default async (ctx: Koa.Context) => {
 	const password = body['password'];
 	const invitationCode = body['invitationCode'];
 
-	const instance = await fetchMeta();
-
 	if (instance && instance.disableRegistration) {
 		if (invitationCode == null || typeof invitationCode != 'string') {
 			ctx.status = 400;