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fix: correctly handle expired JWE's in cookies #2082

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fix: correctly handle expired JWE's in cookies #2082

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fix: correctly handle expired JWE's in cookies
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@frederikprijck
frederikprijck committed Jun 16, 2025

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frederikprijck Frederik Prijck
GPG key ID: E43AEF71273A005F
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Learn about vigilant mode
commit bdac51a0fcdd83b5e570f50a975ae85b3503fd90
89 changes: 69 additions & 20 deletions src/server/auth-client.test.ts
View file
Original file line number Diff line number Diff line change
@@ -514,10 +514,10 @@ ca/T0LLtgmbMmxSv/MmzIg==
// assert session has been updated
const updatedSessionCookie = response.cookies.get("__session");
expect(updatedSessionCookie).toBeDefined();
const { payload: updatedSessionCookieValue } = await decrypt(
const { payload: updatedSessionCookieValue } = (await decrypt(
updatedSessionCookie!.value,
secret
);
)) as jose.JWTDecryptResult;
expect(updatedSessionCookieValue).toEqual(
expect.objectContaining({
user: {
@@ -954,7 +954,14 @@ ca/T0LLtgmbMmxSv/MmzIg==
`__txn_${authorizationUrl.searchParams.get("state")}`
);
expect(transactionCookie).toBeDefined();
expect((await decrypt(transactionCookie!.value, secret)).payload).toEqual(
expect(
(
(await decrypt(
transactionCookie!.value,
secret
)) as jose.JWTDecryptResult
).payload
).toEqual(
expect.objectContaining({
nonce: authorizationUrl.searchParams.get("nonce"),
codeVerifier: expect.any(String),
@@ -1158,7 +1165,12 @@ ca/T0LLtgmbMmxSv/MmzIg==
);
expect(transactionCookie).toBeDefined();
expect(
(await decrypt(transactionCookie!.value, secret)).payload
(
(await decrypt(
transactionCookie!.value,
secret
)) as jose.JWTDecryptResult
).payload
).toEqual(
expect.objectContaining({
nonce: authorizationUrl.searchParams.get("nonce"),
@@ -1493,7 +1505,14 @@ ca/T0LLtgmbMmxSv/MmzIg==
`__txn_${authorizationUrl.searchParams.get("state")}`
);
expect(transactionCookie).toBeDefined();
expect((await decrypt(transactionCookie!.value, secret)).payload).toEqual(
expect(
(
(await decrypt(
transactionCookie!.value,
secret
)) as jose.JWTDecryptResult
).payload
).toEqual(
expect.objectContaining({
nonce: authorizationUrl.searchParams.get("nonce"),
maxAge: 3600,
@@ -1540,7 +1559,14 @@ ca/T0LLtgmbMmxSv/MmzIg==
`__txn_${authorizationUrl.searchParams.get("state")}`
);
expect(transactionCookie).toBeDefined();
expect((await decrypt(transactionCookie!.value, secret)).payload).toEqual(
expect(
(
(await decrypt(
transactionCookie!.value,
secret
)) as jose.JWTDecryptResult
).payload
).toEqual(
expect.objectContaining({
nonce: authorizationUrl.searchParams.get("nonce"),
codeVerifier: expect.any(String),
@@ -1586,7 +1612,14 @@ ca/T0LLtgmbMmxSv/MmzIg==
`__txn_${authorizationUrl.searchParams.get("state")}`
);
expect(transactionCookie).toBeDefined();
expect((await decrypt(transactionCookie!.value, secret)).payload).toEqual(
expect(
(
(await decrypt(
transactionCookie!.value,
secret
)) as jose.JWTDecryptResult
).payload
).toEqual(
expect.objectContaining({
nonce: authorizationUrl.searchParams.get("nonce"),
codeVerifier: expect.any(String),
@@ -1720,7 +1753,12 @@ ca/T0LLtgmbMmxSv/MmzIg==
const state = transactionCookie.name.replace("__txn_", "");
expect(transactionCookie).toBeDefined();
expect(
(await decrypt(transactionCookie!.value, secret)).payload
(
(await decrypt(
transactionCookie.value,
secret
)) as jose.JWTDecryptResult
).payload
).toEqual(
expect.objectContaining({
nonce: expect.any(String),
@@ -1874,7 +1912,12 @@ ca/T0LLtgmbMmxSv/MmzIg==
const state = transactionCookie.name.replace("__txn_", "");
expect(transactionCookie).toBeDefined();
expect(
(await decrypt(transactionCookie!.value, secret)).payload
(
(await decrypt(
transactionCookie.value,
secret
)) as jose.JWTDecryptResult
).payload
).toEqual(
expect.objectContaining({
nonce: expect.any(String),
@@ -1956,7 +1999,7 @@ ca/T0LLtgmbMmxSv/MmzIg==
const state = transactionCookie.name.replace("__txn_", "");
expect(transactionCookie).toBeDefined();
expect(
(await decrypt(transactionCookie!.value, secret)).payload
(await decrypt(transactionCookie!.value, secret))!.payload
).toEqual(
expect.objectContaining({
nonce: expect.any(String),
@@ -2512,7 +2555,10 @@ ca/T0LLtgmbMmxSv/MmzIg==
// validate the session cookie
const sessionCookie = response.cookies.get("__session");
expect(sessionCookie).toBeDefined();
const { payload: session } = await decrypt(sessionCookie!.value, secret);
const { payload: session } = (await decrypt(
sessionCookie!.value,
secret
)) as jose.JWTDecryptResult;
expect(session).toEqual(
expect.objectContaining({
user: {
@@ -2695,7 +2741,10 @@ ca/T0LLtgmbMmxSv/MmzIg==
// validate the session cookie
const sessionCookie = response.cookies.get("__session");
expect(sessionCookie).toBeDefined();
const { payload: session } = await decrypt(sessionCookie!.value, secret);
const { payload: session } = (await decrypt(
sessionCookie!.value,
secret
)) as jose.JWTDecryptResult;
expect(session).toEqual(
expect.objectContaining({
user: {
@@ -3081,10 +3130,10 @@ ca/T0LLtgmbMmxSv/MmzIg==
// validate the session cookie
const sessionCookie = response.cookies.get("__session");
expect(sessionCookie).toBeDefined();
const { payload: session } = await decrypt(
const { payload: session } = (await decrypt(
sessionCookie!.value,
secret
);
)) as jose.JWTDecryptResult;
expect(session).toEqual(expect.objectContaining(expectedSession));
});

@@ -3545,10 +3594,10 @@ ca/T0LLtgmbMmxSv/MmzIg==
// validate the session cookie
const sessionCookie = response.cookies.get("__session");
expect(sessionCookie).toBeDefined();
const { payload: session } = await decrypt(
const { payload: session } = (await decrypt(
sessionCookie!.value,
secret
);
)) as jose.JWTDecryptResult;
expect(session).toEqual(
expect.objectContaining({
user: {
@@ -3679,10 +3728,10 @@ ca/T0LLtgmbMmxSv/MmzIg==
// validate the session cookie
const sessionCookie = response.cookies.get("__session");
expect(sessionCookie).toBeDefined();
const { payload: session } = await decrypt(
const { payload: session } = (await decrypt(
sessionCookie!.value,
secret
);
)) as jose.JWTDecryptResult;
expect(session).toEqual(
expect.objectContaining({
user: {
@@ -3783,10 +3832,10 @@ ca/T0LLtgmbMmxSv/MmzIg==

// validate that the session cookie has been updated
const updatedSessionCookie = response.cookies.get("__session");
const { payload: updatedSession } = await decrypt<SessionData>(
const { payload: updatedSession } = (await decrypt<SessionData>(
updatedSessionCookie!.value,
secret
);
)) as jose.JWTDecryptResult<SessionData>;
expect(updatedSession.tokenSet.accessToken).toEqual(newAccessToken);
});

10 changes: 5 additions & 5 deletions src/server/cookies.test.ts
View file
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import { NextResponse } from "next/server";
import * as jose from "jose";
import { describe, expect, it } from "vitest";

import { generateSecret } from "../test/utils";
@@ -13,9 +14,9 @@ describe("encrypt/decrypt", async () => {
const maxAge = 60 * 60; // 1 hour in seconds
const expiration = Math.floor(Date.now() / 1000 + maxAge);
const encrypted = await encrypt(payload, secret, expiration);
const decrypted = await decrypt(encrypted, secret);
const decrypted = await decrypt(encrypted, secret) as jose.JWTDecryptResult;

expect(decrypted.payload).toEqual(expect.objectContaining(payload));
expect(decrypted!.payload).toEqual(expect.objectContaining(payload));
});

it("should fail to decrypt a payload with the incorrect secret", async () => {
@@ -32,9 +33,8 @@ describe("encrypt/decrypt", async () => {
const payload = { key: "value" };
const expiration = Math.floor(Date.now() / 1000 - 60); // 60 seconds in the past
const encrypted = await encrypt(payload, secret, expiration);
await expect(() => decrypt(encrypted, secret)).rejects.toThrowError(
`"exp" claim timestamp check failed`
);
const decrypted = await decrypt(encrypted, secret);
expect(decrypted).toBeNull();
});

it("should fail to encrypt if a secret is not provided", async () => {
31 changes: 19 additions & 12 deletions src/server/cookies.ts
View file
Original file line number Diff line number Diff line change
@@ -44,20 +44,27 @@ export async function decrypt<T>(
secret: string,
options?: jose.JWTDecryptOptions
) {
const encryptionSecret = await hkdf(
DIGEST,
secret,
"",
ENCRYPTION_INFO,
BYTE_LENGTH
);
try {
const encryptionSecret = await hkdf(
DIGEST,
secret,
"",
ENCRYPTION_INFO,
BYTE_LENGTH
);

const cookie = await jose.jwtDecrypt<T>(cookieValue, encryptionSecret, {
...options,
...{ clockTolerance: 15 }
});
const cookie = await jose.jwtDecrypt<T>(cookieValue, encryptionSecret, {
...options,
...{ clockTolerance: 15 }
});

return cookie;
return cookie;
} catch (e: any) {
if (e.code === "ERR_JWT_EXPIRED") {
return null;
}
throw e;
}
}

/**
36 changes: 29 additions & 7 deletions src/server/session/stateful-session-store.test.ts
View file
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import * as jose from "jose";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";

import { generateSecret } from "../../test/utils";
@@ -332,7 +333,10 @@ describe("Stateful Session Store", async () => {
await sessionStore.set(requestCookies, responseCookies, session);

const cookie = responseCookies.get("__session");
const { payload: cookieValue } = await decrypt(cookie!.value, secret);
const { payload: cookieValue } = (await decrypt(
cookie!.value,
secret
)) as jose.JWTDecryptResult;

expect(cookie).toBeDefined();
expect(cookieValue).toHaveProperty("id");
@@ -386,7 +390,10 @@ describe("Stateful Session Store", async () => {
await sessionStore.set(requestCookies, responseCookies, session);

const cookie = responseCookies.get("__session");
const { payload: cookieValue } = await decrypt(cookie!.value, secret);
const { payload: cookieValue } = (await decrypt(
cookie!.value,
secret
)) as jose.JWTDecryptResult;

expect(cookie).toBeDefined();
expect(cookieValue).toHaveProperty("id");
@@ -434,7 +441,10 @@ describe("Stateful Session Store", async () => {
await sessionStore.set(requestCookies, responseCookies, session);

const cookie = responseCookies.get("__session");
const { payload: cookieValue } = await decrypt(cookie!.value, secret);
const { payload: cookieValue } = (await decrypt(
cookie!.value,
secret
)) as jose.JWTDecryptResult;

expect(cookie).toBeDefined();
expect(cookieValue).toHaveProperty("id");
@@ -493,7 +503,10 @@ describe("Stateful Session Store", async () => {
await sessionStore.set(requestCookies, responseCookies, session, true);

const cookie = responseCookies.get("__session");
const { payload: cookieValue } = await decrypt(cookie!.value, secret);
const { payload: cookieValue } = (await decrypt(
cookie!.value,
secret
)) as jose.JWTDecryptResult;

expect(cookie).toBeDefined();
expect(store.delete).toHaveBeenCalledWith(sessionId); // the old session should be deleted
@@ -542,7 +555,10 @@ describe("Stateful Session Store", async () => {
await sessionStore.set(requestCookies, responseCookies, session);

const cookie = responseCookies.get("__session");
const { payload: cookieValue } = await decrypt(cookie!.value, secret);
const { payload: cookieValue } = (await decrypt(
cookie!.value,
secret
)) as jose.JWTDecryptResult;

expect(cookie).toBeDefined();
expect(cookieValue).toHaveProperty("id");
@@ -592,7 +608,10 @@ describe("Stateful Session Store", async () => {
await sessionStore.set(requestCookies, responseCookies, session);

const cookie = responseCookies.get("__session");
const { payload: cookieValue } = await decrypt(cookie!.value, secret);
const { payload: cookieValue } = (await decrypt(
cookie!.value,
secret
)) as jose.JWTDecryptResult;

expect(cookie).toBeDefined();
expect(cookieValue).toHaveProperty("id");
@@ -686,7 +705,10 @@ describe("Stateful Session Store", async () => {
await sessionStore.set(requestCookies, responseCookies, session);

const cookie = responseCookies.get("my-session");
const { payload: cookieValue } = await decrypt(cookie!.value, secret);
const { payload: cookieValue } = (await decrypt(
cookie!.value,
secret
)) as jose.JWTDecryptResult;

expect(cookie).toBeDefined();
expect(cookieValue).toHaveProperty("id");
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