Files
SRCmail/lib/setup/session.ts
T

48 lines
1.8 KiB
TypeScript

import { cookies } from 'next/headers';
import type { NextRequest } from 'next/server';
import { verifySetupToken } from './token';
export const SETUP_COOKIE = 'bulwark_setup_token';
const COOKIE_MAX_AGE = 60 * 60; // 1 hour, matches token TTL
/**
* The wizard "session" is just the setup token itself, set as an HttpOnly
* cookie after the operator pastes it into step 1. Subsequent step calls
* re-verify the cookie value against the .setup-token file. When the wizard
* finishes, the token file is deleted and any cookies become useless.
*
* No JWT, no separate signing key, no rotating session id. The lifecycle of
* the wizard maps 1:1 to the lifecycle of the token file.
*/
export async function authenticateWizardRequest(): Promise<boolean> {
const jar = await cookies();
const token = jar.get(SETUP_COOKIE)?.value;
if (!token) return false;
return verifySetupToken(token);
}
export function buildSessionCookieAttributes(request?: NextRequest) {
// Match Secure to the actual request protocol. Browsers drop Secure cookies
// on plain HTTP, so unconditionally setting Secure in production breaks
// setup over HTTP — the operator gets "Wizard session required" on every
// step. The wizard surfaces a cleartext-credentials warning in the UI when
// HTTPS isn't in use.
return {
name: SETUP_COOKIE,
httpOnly: true,
sameSite: 'lax' as const,
secure: request ? isHttpsRequest(request) : process.env.NODE_ENV === 'production',
path: '/',
maxAge: COOKIE_MAX_AGE,
};
}
function isHttpsRequest(request: NextRequest): boolean {
const forwarded = request.headers.get('x-forwarded-proto');
if (forwarded) {
return forwarded.split(',')[0]!.trim().toLowerCase() === 'https';
}
return request.nextUrl.protocol === 'https:';
}