add fingerprint endpoint

src/api/middlewares/Authentication.ts

@@ -29,6 +29,7 @@ export const NO_AUTHORIZATION_ROUTES = [
 	"POST /auth/verify",
 	"POST /auth/forgot",
 	"POST /auth/reset",
+	"POST /auth/fingerprint",
 	"GET /invites/",
 	// Routes with a seperate auth system
 	/^(POST|HEAD|GET|PATCH|DELETE) \/webhooks\/\d+\/\w+\/?/, // no token requires auth

src/api/routes/auth/fingerprint.ts

@@ -0,0 +1,29 @@
+/*
+        Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
+        Copyright (C) 2023 Spacebar and Spacebar Contributors
+
+        This program 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.
+
+        This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+import { route } from "@spacebar/api";
+import { createHash } from "node:crypto";
+import { Snowflake } from "@spacebar/util";
+import { Request, Response, Router } from "express";
+const router = Router({ mergeParams: true });
+router.post("/", route({ responses: { 200: { body: "CreateFingerprintResponse" } } }), (req: Request, res: Response) => {
+	const snowflake = Snowflake.generate();
+	return res.json({
+		fingerprint: `${snowflake}.${createHash("sha512").update(snowflake).digest("base64")}`,
+	});
+});
+export default router;

src/schemas/CreateFingerprintResponse.ts

@@ -0,0 +1,3 @@
+export interface CreateFingerprintResponse {
+	fingerprint: string;
+}