foamking/lib/auth.ts
mikl0s bc300f54f2 refactor: replace DB-based auth with env-based single admin user
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22 21:48:33 +00:00

91 lines
3 KiB
TypeScript

import { cookies } from "next/headers"
const SESSION_COOKIE_NAME = "session"
const SESSION_DURATION_MS = 7 * 24 * 60 * 60 * 1000 // 7 days
// In-memory session store. Replace this with your own session/token system.
const sessions = new Map<string, { email: string; expiresAt: Date }>()
function generateSessionId(): string {
const bytes = new Uint8Array(32)
crypto.getRandomValues(bytes)
return Array.from(bytes)
.map((b) => b.toString(16).padStart(2, "0"))
.join("")
}
// ─── AUTH INTERFACE ────────────────────────────────────────────────
// To integrate your own auth (JWT, OAuth, etc.), replace these functions.
// The rest of the application only calls checkAuth(), login(), and logout().
// ───────────────────────────────────────────────────────────────────
/**
* Check if the current request is authenticated.
* Replace this function to integrate JWT, OAuth, or any other auth system.
*/
export async function checkAuth(): Promise<{ authenticated: boolean; email?: string }> {
const cookieStore = await cookies()
const sessionId = cookieStore.get(SESSION_COOKIE_NAME)?.value
if (!sessionId) return { authenticated: false }
const session = sessions.get(sessionId)
if (!session) return { authenticated: false }
if (session.expiresAt < new Date()) {
sessions.delete(sessionId)
return { authenticated: false }
}
return { authenticated: true, email: session.email }
}
/**
* Authenticate with email and password.
* Default: compares against ADMIN_EMAIL/ADMIN_PASSWORD env vars.
* Replace this function to integrate your own auth system.
*/
export async function login(
email: string,
password: string
): Promise<{ success: true } | { success: false; error: string }> {
const adminEmail = process.env.ADMIN_EMAIL
const adminPassword = process.env.ADMIN_PASSWORD
if (!adminEmail || !adminPassword) {
return { success: false, error: "Admin-konfiguration mangler (ADMIN_EMAIL/ADMIN_PASSWORD)" }
}
if (email !== adminEmail || password !== adminPassword) {
return { success: false, error: "Forkert email eller adgangskode" }
}
const sessionId = generateSessionId()
const expiresAt = new Date(Date.now() + SESSION_DURATION_MS)
sessions.set(sessionId, { email, expiresAt })
const cookieStore = await cookies()
cookieStore.set(SESSION_COOKIE_NAME, sessionId, {
httpOnly: true,
secure: process.env.NODE_ENV === "production",
sameSite: "strict",
expires: expiresAt,
path: "/",
})
return { success: true }
}
/**
* Log out the current session.
*/
export async function logout(): Promise<void> {
const cookieStore = await cookies()
const sessionId = cookieStore.get(SESSION_COOKIE_NAME)?.value
if (sessionId) {
sessions.delete(sessionId)
cookieStore.delete(SESSION_COOKIE_NAME)
}
}