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fix: use asynchronous hashing #478

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fix: use asynchronous hashing #478

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ebeee16
feat: use async
G3root Aug 7, 2024
0aa50d3
fix: early bail out
G3root Aug 7, 2024
31779ff
chore: cleanup
G3root Aug 7, 2024
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fix: early bail out
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@G3root
G3root committed Aug 7, 2024
commit 0aa50d33cf5817fa45b45af595cc741034b0e15e
12 changes: 3 additions & 9 deletions src/server/api/middlewares/bearer-token.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import { verifySecureHash } from "@/lib/crypto";
import type { Context } from "hono";
import { createMiddleware } from "hono/factory";
import { nanoid } from "nanoid";
import { ApiError } from "../error";

export type accessTokenAuthMiddlewareOptions =
Expand Down Expand Up @@ -48,19 +49,12 @@ async function authenticateWithAccessToken(

const accessToken = await findAccessToken(clientId, c);

if (!accessToken) {
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@G3root G3root Aug 7, 2024

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The early bailout is vulnerable to timing attacks because the attacker can verify whether the ID exists in the database based on the timing.

throw new ApiError({
code: "UNAUTHORIZED",
message: "Bearer token is invalid",
});
}

const isAccessTokenValid = await verifySecureHash(
clientSecret,
accessToken.clientSecret,
accessToken?.clientSecret ?? nanoid(),
);

if (!isAccessTokenValid) {
if (!isAccessTokenValid || !accessToken) {
throw new ApiError({
code: "UNAUTHORIZED",
message: "Bearer token is invalid",
Expand Down