feat(auth): Story 1.3 — Sessions (idle+absolut, gedrosselter last_seen, delete)

server/session.test.js

@@ -0,0 +1,71 @@
+const { test } = require('node:test');
+const assert = require('node:assert');
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
+
+process.env.SESSION_IDLE_HOURS = '8';
+process.env.SESSION_TTL_DAYS = '30';
+process.env.DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), 'dp-sess-'));
+const { db } = require('./db');
+const { createSession, validateSession, deleteSession, deleteUserSessions, hashToken } = require('./auth');
+
+let n = 0;
+function makeUser(isAdmin = 0) {
+  const info = db.prepare('INSERT INTO users (email,is_admin,created_at) VALUES (?,?,?)')
+    .run(`u${n++}@x.de`, isAdmin, new Date().toISOString());
+  return Number(info.lastInsertRowid);
+}
+
+test('valide Session → Nutzer; last_seen wird gebumpt wenn > Throttle alt', () => {
+  const uid = makeUser(1);
+  const raw = createSession(uid);
+  const idh = hashToken(raw);
+  const old = new Date(Date.now() - 10 * 60 * 1000).toISOString(); // 10 Min (innerhalb 8h Idle)
+  db.prepare('UPDATE sessions SET last_seen_at = ? WHERE id_hash = ?').run(old, idh);
+  const res = validateSession(raw);
+  assert.deepStrictEqual(res, { userId: uid, email: db.prepare('SELECT email FROM users WHERE id=?').get(uid).email, isAdmin: true });
+  const after = db.prepare('SELECT last_seen_at FROM sessions WHERE id_hash=?').get(idh).last_seen_at;
+  assert.ok(after > old, 'last_seen gebumpt (war > 5min alt)');
+});
+
+test('frische Session: kein Bump innerhalb Throttle', () => {
+  const uid = makeUser();
+  const raw = createSession(uid);
+  const idh = hashToken(raw);
+  const ls1 = db.prepare('SELECT last_seen_at FROM sessions WHERE id_hash=?').get(idh).last_seen_at;
+  validateSession(raw);
+  const ls2 = db.prepare('SELECT last_seen_at FROM sessions WHERE id_hash=?').get(idh).last_seen_at;
+  assert.strictEqual(ls1, ls2, 'kein Write innerhalb Throttle');
+});
+
+test('absolut abgelaufen → null', () => {
+  const uid = makeUser();
+  const raw = createSession(uid);
+  db.prepare('UPDATE sessions SET expires_at=? WHERE id_hash=?').run('2000-01-01T00:00:00.000Z', hashToken(raw));
+  assert.strictEqual(validateSession(raw), null);
+});
+
+test('idle abgelaufen → null', () => {
+  const uid = makeUser();
+  const raw = createSession(uid);
+  const old = new Date(Date.now() - 9 * 60 * 60 * 1000).toISOString(); // 9h > 8h Idle
+  db.prepare('UPDATE sessions SET last_seen_at=? WHERE id_hash=?').run(old, hashToken(raw));
+  assert.strictEqual(validateSession(raw), null);
+});
+
+test('deleteSession und deleteUserSessions', () => {
+  const uid = makeUser();
+  const raw = createSession(uid);
+  deleteSession(raw);
+  assert.strictEqual(validateSession(raw), null);
+  const r2 = createSession(uid);
+  const r3 = createSession(uid);
+  deleteUserSessions(uid);
+  assert.strictEqual(validateSession(r2), null);
+  assert.strictEqual(validateSession(r3), null);
+});
+
+test('unbekannte Session → null', () => {
+  assert.strictEqual(validateSession('nichtexistent'), null);
+});