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fluxer_api/src/oauth/OAuth2Mappers.ts

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+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import type {User} from '~/Models';
+import type {Application} from '~/models/Application';
+import {mapUserToPartialResponse} from '~/user/UserMappers';
+import type {ApplicationBotResponse, ApplicationResponse} from './OAuth2Types';
+
+export const mapBotUserToResponse = (user: User, opts?: {token?: string}): ApplicationBotResponse => {
+	const partial = mapUserToPartialResponse(user);
+	const bannerHash = !user.isBot && !user.isPremium() ? null : user.bannerHash;
+	return {
+		id: partial.id,
+		username: partial.username,
+		discriminator: partial.discriminator,
+		avatar: partial.avatar,
+		banner: bannerHash,
+		bio: user.bio ?? null,
+		token: opts?.token,
+		mfa_enabled: (user.authenticatorTypes?.size ?? 0) > 0,
+		authenticator_types: user.authenticatorTypes ? Array.from(user.authenticatorTypes) : [],
+	};
+};
+
+export const mapApplicationToResponse = (
+	application: Application,
+	options?: {
+		botUser?: User | null;
+		botToken?: string;
+		clientSecret?: string | null;
+	},
+): ApplicationResponse => {
+	const baseResponse: ApplicationResponse = {
+		id: application.applicationId.toString(),
+		name: application.name,
+		redirect_uris: Array.from(application.oauth2RedirectUris),
+		bot_public: application.botIsPublic,
+		bot_require_code_grant: false,
+	};
+
+	if (options?.botUser) {
+		baseResponse.bot = mapBotUserToResponse(options.botUser, {token: options.botToken});
+	}
+
+	if (options?.clientSecret) {
+		return {
+			...baseResponse,
+			client_secret: options.clientSecret,
+		};
+	}
+
+	return baseResponse;
+};
+
+export const mapBotTokenResetResponse = (user: User, token: string) => {
+	return {
+		token,
+		bot: mapBotUserToResponse(user),
+	};
+};
+
+export const mapBotProfileToResponse = (user: User) => {
+	return {
+		id: user.id.toString(),
+		username: user.username,
+		discriminator: user.discriminator.toString().padStart(4, '0'),
+		avatar: user.avatarHash,
+		banner: user.bannerHash,
+		bio: user.bio,
+	};
+};