3dc0318011
- Session: verify server-side iat expiry (not just cookie maxAge) - Validate ProjectMemberRole on member add (reject arbitrary strings) - Scope coverage threshold to Repository/Service layers (per guidelines) - Add session expiry/fresh-token unit tests
66 lines
2.3 KiB
TypeScript
66 lines
2.3 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import crypto from 'node:crypto';
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import { createSessionToken, verifySessionToken } from '@/lib/auth/session';
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function forgeToken(uid: number, iat: number): string {
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const secret = process.env.SESSION_SECRET!;
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const payload = JSON.stringify({ uid, iat });
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const encoded = Buffer.from(payload, 'utf-8').toString('base64url');
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const signature = crypto
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.createHmac('sha256', secret)
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.update(encoded)
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.digest('base64url');
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return `${encoded}.${signature}`;
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}
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describe('session token', () => {
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it('round-trips a user id through create and verify', () => {
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const token = createSessionToken(42);
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expect(verifySessionToken(token)).toBe(42);
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});
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it('returns null for a tampered signature', () => {
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const token = createSessionToken(42);
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const [encoded] = token.split('.');
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const tampered = `${encoded}.aW52YWxpZHNpZ25hdHVyZQ`;
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expect(verifySessionToken(tampered)).toBeNull();
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});
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it('returns null for a tampered payload', () => {
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const token = createSessionToken(42);
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const [, signature] = token.split('.');
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// payload を別ユーザーIDに書き換えたトークン（署名は元のまま）
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const forgedPayload = Buffer.from(
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JSON.stringify({ uid: 99, iat: Date.now() })
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).toString('base64url');
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const forged = `${forgedPayload}.${signature}`;
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expect(verifySessionToken(forged)).toBeNull();
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});
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it('returns null for a malformed token', () => {
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expect(verifySessionToken('not-a-valid-token')).toBeNull();
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expect(verifySessionToken('only.one.too.many')).toBeNull();
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expect(verifySessionToken('')).toBeNull();
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});
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it('returns null for an expired token (stale iat)', () => {
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const eightDaysAgo = Date.now() - 8 * 24 * 60 * 60 * 1000;
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expect(verifySessionToken(forgeToken(42, eightDaysAgo))).toBeNull();
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});
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it('accepts a freshly-issued token', () => {
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expect(verifySessionToken(forgeToken(42, Date.now()))).toBe(42);
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});
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it('returns null when the payload uid is not a number', () => {
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const encoded = Buffer.from(
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JSON.stringify({ uid: 'not-a-number', iat: Date.now() })
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).toString('base64url');
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// 署名は無意味でも構造は整える
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expect(verifySessionToken(`${encoded}.${encoded}`)).toBeNull();
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});
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});
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