homeio

1export const AUTH_SESSION_COOKIE_NAME = "homeio_session";
2
3export type SessionTokenParts = {
4  payload: string;
5  sessionId: string;
6  expiresAtEpochSeconds: number;
7  signature: string;
8};
9
10export function buildSessionPayload(
11  sessionId: string,
12  expiresAtEpochSeconds: number,
13) {
14  return `${sessionId}.${expiresAtEpochSeconds}`;
15}
16
17export function parseSessionToken(token: string): SessionTokenParts | null {
18  const parts = token.split(".");
19  if (parts.length !== 3) return null;
20
21  const [sessionId, expiresAtRaw, signature] = parts;
22  const expiresAtEpochSeconds = Number(expiresAtRaw);
23
24  if (!sessionId || !Number.isFinite(expiresAtEpochSeconds) || !signature) {
25    return null;
26  }
27
28  return {
29    payload: buildSessionPayload(sessionId, expiresAtEpochSeconds),
30    sessionId,
31    expiresAtEpochSeconds,
32    signature,
33  };
34}
35
36export function isSessionExpired(expiresAtEpochSeconds: number) {
37  return Date.now() >= expiresAtEpochSeconds * 1000;
38}
39