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refactor: remove Redis dependencies from frontend authentication

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- Replace Redis/Redlock with in-memory cache for token management
- Remove @vercel/kv, ioredis, and redlock dependencies from package.json
- Implement simple lock mechanism for concurrent token refresh prevention
- Use Map-based cache with TTL for token storage
- Maintain same authentication flow without external dependencies

This simplifies the infrastructure requirements and removes the need for
Redis while maintaining the same functionality through in-memory caching.
This commit is contained in:
Mathieu Virbel
2025-08-29 17:10:49 -06:00
parent 449dd23c8f
commit 485a263c0d
3 changed files with 54 additions and 194 deletions
Download Patch File Download Diff File Expand all files Collapse all files

97
www/app/lib/auth.ts
View File

@@ -1,26 +1,19 @@
// import { kv } from "@vercel/kv";
import Redlock, { ResourceLockedError } from "redlock";
import { AuthOptions } from "next-auth";
import AuthentikProvider from "next-auth/providers/authentik";
import { JWT } from "next-auth/jwt";
import { JWTWithAccessToken, CustomSession } from "./types";
import Redis from "ioredis";
const PRETIMEOUT = 60; // seconds before token expires to refresh it
const DEFAULT_REDIS_KEY_TIMEOUT = 60 * 60 * 24 * 30; // 30 days (refresh token expires in 30 days)
const kv = new Redis(process.env.KV_URL || "", {
tls: {},
});
const redlock = new Redlock([kv], {});
redlock.on("error", (error) => {
if (error instanceof ResourceLockedError) {
return;
}
// Simple in-memory cache for tokens (in production, consider using a proper cache solution)
const tokenCache = new Map<
string,
{ token: JWTWithAccessToken; timestamp: number }
>();
const TOKEN_CACHE_TTL = 60 * 60 * 24 * 30 * 1000; // 30 days in milliseconds
// Log all other errors.
console.error(error);
});
// Simple lock mechanism to prevent concurrent token refreshes
const refreshLocks = new Map<string, Promise<JWTWithAccessToken>>();
export const authOptions: AuthOptions = {
providers: [
@@ -51,12 +44,11 @@ export const authOptions: AuthOptions = {
accessTokenExpires: expiresAt * 1000,
refreshToken: account.refresh_token,
};
kv.set(
`token:${jwtToken.sub}`,
JSON.stringify(jwtToken),
"EX",
DEFAULT_REDIS_KEY_TIMEOUT,
);
// Store in memory cache
tokenCache.set(`token:${jwtToken.sub}`, {
token: jwtToken,
timestamp: Date.now(),
});
return jwtToken;
}
@@ -65,7 +57,7 @@ export const authOptions: AuthOptions = {
}
// access token has expired, try to update it
return await redisLockedrefreshAccessToken(token);
return await lockedRefreshAccessToken(token);
},
async session({ session, token }) {
const extendedToken = token as JWTWithAccessToken;
@@ -83,32 +75,51 @@ export const authOptions: AuthOptions = {
},
};
async function redisLockedrefreshAccessToken(token: JWT) {
return await redlock.using(
[token.sub as string, "jwt-refresh"],
5000,
async () => {
const redisToken = await kv.get(`token:${token.sub}`);
const currentToken = JSON.parse(
redisToken as string,
) as JWTWithAccessToken;
async function lockedRefreshAccessToken(
token: JWT,
): Promise<JWTWithAccessToken> {
const lockKey = `${token.sub}-refresh`;
// if there is multiple requests for the same token, it may already have been refreshed
if (Date.now() < currentToken.accessTokenExpires) {
return currentToken;
// Check if there's already a refresh in progress
const existingRefresh = refreshLocks.get(lockKey);
if (existingRefresh) {
return existingRefresh;
}
// Create a new refresh promise
const refreshPromise = (async () => {
try {
// Check cache for recent token
const cached = tokenCache.get(`token:${token.sub}`);
if (cached) {
// Clean up old cache entries
if (Date.now() - cached.timestamp > TOKEN_CACHE_TTL) {
tokenCache.delete(`token:${token.sub}`);
} else if (Date.now() < cached.token.accessTokenExpires) {
// Token is still valid
return cached.token;
}
}
// now really do the request
// Refresh the token
const currentToken = cached?.token || (token as JWTWithAccessToken);
const newToken = await refreshAccessToken(currentToken);
await kv.set(
`token:${currentToken.sub}`,
JSON.stringify(newToken),
"EX",
DEFAULT_REDIS_KEY_TIMEOUT,
);
// Update cache
tokenCache.set(`token:${token.sub}`, {
token: newToken,
timestamp: Date.now(),
});
return newToken;
},
);
} finally {
// Clean up the lock after a short delay
setTimeout(() => refreshLocks.delete(lockKey), 100);
}
})();
refreshLocks.set(lockKey, refreshPromise);
return refreshPromise;
}
async function refreshAccessToken(token: JWT): Promise<JWTWithAccessToken> {

3
www/package.json
View File

@@ -19,14 +19,12 @@
"@sentry/nextjs": "^7.77.0",
"@tanstack/react-query": "^5.85.5",
"@vercel/edge-config": "^0.4.1",
"@vercel/kv": "^2.0.0",
"@whereby.com/browser-sdk": "^3.3.4",
"autoprefixer": "10.4.20",
"axios": "^1.8.2",
"eslint": "^9.33.0",
"eslint-config-next": "^14.2.31",
"fontawesome": "^5.6.3",
"ioredis": "^5.4.1",
"jest-worker": "^29.6.2",
"lucide-react": "^0.525.0",
"next": "^14.2.30",
@@ -44,7 +42,6 @@
"react-markdown": "^9.0.0",
"react-qr-code": "^2.0.12",
"react-select-search": "^4.1.7",
"redlock": "^5.0.0-beta.2",
"sass": "^1.63.6",
"simple-peer": "^9.11.1",
"tailwindcss": "^3.3.2",

148
www/pnpm-lock.yaml generated
View File

@@ -31,9 +31,6 @@ importers:
"@vercel/edge-config":
specifier: ^0.4.1
version: 0.4.1
"@vercel/kv":
specifier: ^2.0.0
version: 2.0.0
"@whereby.com/browser-sdk":
specifier: ^3.3.4
version: 3.13.1(@types/react@18.2.20)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
@@ -52,9 +49,6 @@ importers:
fontawesome:
specifier: ^5.6.3
version: 5.6.3
ioredis:
specifier: ^5.4.1
version: 5.7.0
jest-worker:
specifier: ^29.6.2
version: 29.7.0
@@ -106,9 +100,6 @@ importers:
react-select-search:
specifier: ^4.1.7
version: 4.1.8(prop-types@15.8.1)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
redlock:
specifier: ^5.0.0-beta.2
version: 5.0.0-beta.2
sass:
specifier: ^1.63.6
version: 1.90.0
@@ -565,12 +556,6 @@ packages:
integrity: sha512-p+Zh1sb6EfrfVaS86jlHGQ9HA66fJhV9x5LiE5vCbZtXEHAuhcmUZUdZ4WrFpUBfNalr2OkAJI5AcKEQF+Lebw==,
}
"@ioredis/commands@1.3.0":
resolution:
{
integrity: sha512-M/T6Zewn7sDaBQEqIZ8Rb+i9y8qfGmq+5SDFSf9sA2lUZTmdDLVdOiQaeDp+Q4wElZ9HG1GAX5KhDaidp6LQsQ==,
}
"@isaacs/cliui@8.0.2":
resolution:
{
@@ -1907,12 +1892,6 @@ packages:
cpu: [x64]
os: [win32]
"@upstash/redis@1.35.3":
resolution:
{
integrity: sha512-hSjv66NOuahW3MisRGlSgoszU2uONAY2l5Qo3Sae8OT3/Tng9K+2/cBRuyPBX8egwEGcNNCF9+r0V6grNnhL+w==,
}
"@vercel/build-utils@8.4.12":
resolution:
{
@@ -1969,13 +1948,6 @@ packages:
integrity: sha512-IPAVaALuGAzt2apvTtBs5tB+8zZRzn/yG3AGp8dFyCsw/v5YOuk0Q5s8Z3fayLvJbFpjrKtqRNDZzVJBBU3MrQ==,
}
"@vercel/kv@2.0.0":
resolution:
{
integrity: sha512-zdVrhbzZBYo5d1Hfn4bKtqCeKf0FuzW8rSHauzQVMUgv1+1JOwof2mWcBuI+YMJy8s0G0oqAUfQ7HgUDzb8EbA==,
}
engines: { node: ">=14.6" }
"@vercel/next@4.3.18":
resolution:
{
@@ -3053,13 +3025,6 @@ packages:
}
engines: { node: ">=6" }
cluster-key-slot@1.1.2:
resolution:
{
integrity: sha512-RMr0FhtfXemyinomL4hrWcYJxmX6deFdCxpJzhDttxgO1+bcCnkk+9drydLVDmAMG7NE6aN/fl4F7ucU/90gAA==,
}
engines: { node: ">=0.10.0" }
code-block-writer@10.1.1:
resolution:
{
@@ -3304,13 +3269,6 @@ packages:
integrity: sha512-bd2L678uiWATM6m5Z1VzNCErI3jiGzt6HGY8OVICs40JQq/HALfbyNJmp0UDakEY4pMMaN0Ly5om/B1VI/+xfQ==,
}
denque@2.1.0:
resolution:
{
integrity: sha512-HVQE3AAb/pxF8fQAoiqpvg9i3evqug3hoiwakOyZAwJm+6vZehbkYXZ0l4JxS+I3QxM97v5aaRNhj8v5oBhekw==,
}
engines: { node: ">=0.10" }
depd@1.1.2:
resolution:
{
@@ -4549,13 +4507,6 @@ packages:
}
engines: { node: ">= 0.4" }
ioredis@5.7.0:
resolution:
{
integrity: sha512-NUcA93i1lukyXU+riqEyPtSEkyFq8tX90uL659J+qpCZ3rEdViB/APC58oAhIh3+bJln2hzdlZbBZsGNrlsR8g==,
}
engines: { node: ">=12.22.0" }
ip-address@9.0.5:
resolution:
{
@@ -5052,18 +5003,6 @@ packages:
}
engines: { node: ">=10" }
lodash.defaults@4.2.0:
resolution:
{
integrity: sha512-qjxPLHd3r5DnsdGacqOMU6pb/avJzdh9tFX2ymgoZE27BmjXrNy/y4LoaiTeAb+O3gL8AfpJGtqfX/ae2leYYQ==,
}
lodash.isarguments@3.1.0:
resolution:
{
integrity: sha512-chi4NHZlZqZD18a0imDHnZPrDeBbTtVN7GXMwuGdRH9qotxAjYs3aVLKc7zNOG9eddR5Ksd8rvFEBc9SsggPpg==,
}
lodash.merge@4.6.2:
resolution:
{
@@ -5542,12 +5481,6 @@ packages:
sass:
optional: true
node-abort-controller@3.1.1:
resolution:
{
integrity: sha512-AGK2yQKIjRuqnc6VkX2Xj5d+QW8xZ87pa1UK6yA6ouUyuxfHuMP6umE5QK7UmTeOAymo+Zx1Fxiuw9rVx8taHQ==,
}
node-addon-api@7.1.1:
resolution:
{
@@ -6348,27 +6281,6 @@ packages:
}
engines: { node: ">= 14.18.0" }
redis-errors@1.2.0:
resolution:
{
integrity: sha512-1qny3OExCf0UvUV/5wpYKf2YwPcOqXzkwKKSmKHiE6ZMQs5heeE/c8eXK+PNllPvmjgAbfnsbpkGZWy8cBpn9w==,
}
engines: { node: ">=4" }
redis-parser@3.0.0:
resolution:
{
integrity: sha512-DJnGAeenTdpMEH6uAJRK/uiyEIH9WVsUmoLwzudwGJUwZPp80PDBWPHXSAGNPwNvIXAbe7MSUB1zQFugFml66A==,
}
engines: { node: ">=4" }
redlock@5.0.0-beta.2:
resolution:
{
integrity: sha512-2RDWXg5jgRptDrB1w9O/JgSZC0j7y4SlaXnor93H/UJm/QyDiFgBKNtrh0TI6oCXqYSaSoXxFh6Sd3VtYfhRXw==,
}
engines: { node: ">=12" }
redux-thunk@3.1.0:
resolution:
{
@@ -6750,12 +6662,6 @@ packages:
}
engines: { node: ">=6" }
standard-as-callback@2.1.0:
resolution:
{
integrity: sha512-qoRRSyROncaz1z0mvYqIE4lCd9p2R90i6GxW3uZv5ucSu8tU7B5HXUP1gG8pVZsYNVaXjk8ClXHPttLyxAL48A==,
}
stat-mode@0.3.0:
resolution:
{
@@ -7246,12 +7152,6 @@ packages:
}
engines: { node: ">= 0.4" }
uncrypto@0.1.3:
resolution:
{
integrity: sha512-Ql87qFHB3s/De2ClA9e0gsnS6zXG27SkTiSJwjCc9MebbfapQfuPzumMIUMi38ezPZVNFcHI9sUIepeQfw8J8Q==,
}
undici-types@7.10.0:
resolution:
{
@@ -8012,8 +7912,6 @@ snapshots:
dependencies:
"@swc/helpers": 0.5.17
"@ioredis/commands@1.3.0": {}
"@isaacs/cliui@8.0.2":
dependencies:
string-width: 5.1.2
@@ -8841,10 +8739,6 @@ snapshots:
"@unrs/resolver-binding-win32-x64-msvc@1.11.1":
optional: true
"@upstash/redis@1.35.3":
dependencies:
uncrypto: 0.1.3
"@vercel/build-utils@8.4.12": {}
"@vercel/edge-config-fs@0.1.0": {}
@@ -8901,10 +8795,6 @@ snapshots:
"@vercel/static-config": 3.0.0
ts-morph: 12.0.0
"@vercel/kv@2.0.0":
dependencies:
"@upstash/redis": 1.35.3
"@vercel/next@4.3.18":
dependencies:
"@vercel/nft": 0.27.3
@@ -9900,8 +9790,6 @@ snapshots:
clsx@2.1.1: {}
cluster-key-slot@1.1.2: {}
code-block-writer@10.1.1: {}
color-convert@2.0.1:
@@ -10022,8 +9910,6 @@ snapshots:
delegates@1.0.0: {}
denque@2.1.0: {}
depd@1.1.2: {}
dequal@2.0.3: {}
@@ -10903,20 +10789,6 @@ snapshots:
hasown: 2.0.2
side-channel: 1.1.0
ioredis@5.7.0:
dependencies:
"@ioredis/commands": 1.3.0
cluster-key-slot: 1.1.2
debug: 4.4.1(supports-color@9.4.0)
denque: 2.1.0
lodash.defaults: 4.2.0
lodash.isarguments: 3.1.0
redis-errors: 1.2.0
redis-parser: 3.0.0
standard-as-callback: 2.1.0
transitivePeerDependencies:
- supports-color
ip-address@9.0.5:
dependencies:
jsbn: 1.1.0
@@ -11206,10 +11078,6 @@ snapshots:
dependencies:
p-locate: 5.0.0
lodash.defaults@4.2.0: {}
lodash.isarguments@3.1.0: {}
lodash.merge@4.6.2: {}
longest-streak@3.1.0: {}
@@ -11609,8 +11477,6 @@ snapshots:
- "@babel/core"
- babel-plugin-macros
node-abort-controller@3.1.1: {}
node-addon-api@7.1.1:
optional: true
@@ -12057,16 +11923,6 @@ snapshots:
readdirp@4.1.2: {}
redis-errors@1.2.0: {}
redis-parser@3.0.0:
dependencies:
redis-errors: 1.2.0
redlock@5.0.0-beta.2:
dependencies:
node-abort-controller: 3.1.1
redux-thunk@3.1.0(redux@5.0.1):
dependencies:
redux: 5.0.1
@@ -12316,8 +12172,6 @@ snapshots:
dependencies:
type-fest: 0.7.1
standard-as-callback@2.1.0: {}
stat-mode@0.3.0: {}
statuses@1.5.0: {}
@@ -12679,8 +12533,6 @@ snapshots:
has-symbols: 1.1.0
which-boxed-primitive: 1.1.1
uncrypto@0.1.3: {}
undici-types@7.10.0: {}
undici@5.28.4: