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Whitelist only cal domain as callbackUrls

pull/3888/head
zomars 2022-08-16 13:55:50 -06:00
parent 6dcb0c43ab
commit 4f76654813
1 changed files with 6 additions and 1 deletions
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7
apps/web/middleware.ts
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@ -2,6 +2,7 @@ import { collectEvents } from "next-collect/server";
// eslint-disable-next-line @next/next/no-server-import-in-page
import { NextMiddleware, NextResponse, userAgent } from "next/server";
import { CONSOLE_URL, WEBAPP_URL, WEBSITE_URL } from "@calcom/lib/constants";
import { extendEventData, nextCollectBasicSettings } from "@calcom/lib/telemetry";
const V2_WHITELIST = ["/settings/admin"];
@ -12,7 +13,11 @@ const middleware: NextMiddleware = async (req) => {
if (url.pathname.startsWith("/api/auth")) {
const callbackUrl = url.searchParams.get("callbackUrl");
const { isBot } = userAgent(req);
if (isBot || (callbackUrl && !callbackUrl.startsWith("https://") && !callbackUrl.startsWith("http://"))) {
if (
isBot ||
(callbackUrl && ![CONSOLE_URL, WEBAPP_URL, WEBSITE_URL].some((u) => callbackUrl.startsWith(u)))
) {
// DDOS Prevention: Immediately end request with no response - Avoids a redirect as well initiated by NextAuth on invalid callback
const res = new NextResponse("hey", { status: 400, statusText: "Please don't" });
return res;