initial commit

fluxer_api/src/theme/ThemeController.ts

@@ -0,0 +1,62 @@
+/*
+ * 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 {randomBytes} from 'node:crypto';
+import type {HonoApp} from '~/App';
+import {Config} from '~/Config';
+import {FileSizeTooLargeError} from '~/errors/FileSizeTooLargeError';
+import {DefaultUserOnly, LoginRequired} from '~/middleware/AuthMiddleware';
+import {RateLimitMiddleware} from '~/middleware/RateLimitMiddleware';
+import {RateLimitConfigs} from '~/RateLimitConfig';
+import {z} from '~/Schema';
+import {Validator} from '~/Validator';
+
+const ThemeShareBodySchema = z.object({
+	css: z.string().min(1),
+});
+
+const MAX_CSS_BYTES = 8 * 1024 * 1024;
+
+export const ThemeController = (app: HonoApp) => {
+	app.post(
+		'/users/@me/themes',
+		RateLimitMiddleware(RateLimitConfigs.THEME_SHARE_CREATE),
+		LoginRequired,
+		DefaultUserOnly,
+		Validator('json', ThemeShareBodySchema),
+		async (ctx) => {
+			const {css} = ctx.req.valid('json');
+			const cssBytes = Buffer.from(css, 'utf-8');
+
+			if (cssBytes.length > MAX_CSS_BYTES) {
+				throw new FileSizeTooLargeError();
+			}
+
+			const themeId = randomBytes(8).toString('hex');
+			await ctx.get('storageService').uploadObject({
+				bucket: Config.s3.buckets.cdn,
+				key: `themes/${themeId}.css`,
+				body: cssBytes,
+				contentType: 'text/css; charset=utf-8',
+			});
+
+			return ctx.json({id: themeId}, 201);
+		},
+	);
+};