feat(auth): matrice permessi 3 ruoli + landingFor

src/lib/auth.ts

@@ -5,7 +5,7 @@ import { randomBytes } from 'node:crypto';
 export const SESSION_COOKIE = 'session';
 const SESSION_DAYS = 7;
 
-export type Role = 'admin' | 'editor';
+export type Role = 'admin' | 'superuser' | 'user';
 
 export function hashPassword(plain: string): string {
   return bcrypt.hashSync(plain, 12);
@@ -49,10 +49,26 @@ export function logout(db: Database.Database, token: string): void {
   db.prepare('DELETE FROM sessions WHERE token = ?').run(token);
 }
 
-// Percorsi admin consentiti anche al ruolo editor.
-const EDITOR_ALLOWED = [/^\/admin\/content(\/|$)/, /^\/api\/admin\/content(\/|$)/, /^\/admin\/logout$/];
+// Autorizzazione per prefisso di rotta. L'admin passa sempre; per gli altri, la prima regola
+// che matcha decide; se nessuna regola matcha la rotta è "blog/upload/logout" → consentita a
+// qualsiasi loggato (il middleware protegge solo /admin e /api/admin, quindi qui arrivano solo
+// utenti già autenticati).
+const RULES: [RegExp, Role[]][] = [
+  [/^\/admin\/users(\/|$)/, ['admin']],
+  [/^\/api\/admin\/users(\/|$)/, ['admin']],
+  [/^\/admin\/content(\/|$)/, ['admin', 'superuser']],
+  [/^\/api\/admin\/content(\/|$)/, ['admin', 'superuser']],
+];
 
 export function canAccessAdminPath(role: string, pathname: string): boolean {
   if (role === 'admin') return true;
-  return EDITOR_ALLOWED.some((re) => re.test(pathname));
+  for (const [re, roles] of RULES) {
+    if (re.test(pathname)) return roles.includes(role as Role);
+  }
+  return true; // blog, upload, logout, showtags: tutti i loggati
+}
+
+export function landingFor(role: string): string {
+  if (role === 'superuser') return '/admin/content';
+  return '/admin';
 }

tests/roles.test.ts

@@ -1,37 +1,63 @@
 import { describe, it, expect, beforeEach } from 'vitest';
 import type Database from 'better-sqlite3';
 import { createDb } from '../src/lib/db';
-import { createUser, login, getSessionUser, canAccessAdminPath } from '../src/lib/auth';
+import { createUser, login, getSessionUser, canAccessAdminPath, landingFor } from '../src/lib/auth';
 
 let db: Database.Database;
 beforeEach(() => { db = createDb(':memory:'); });
 
 describe('ruoli', () => {
-  it('createUser accetta ruolo editor e getSessionUser lo ritorna', () => {
-    createUser(db, 'cliente', 'segreta123', 'editor');
-    const token = login(db, 'cliente', 'segreta123')!;
-    expect(getSessionUser(db, token)).toMatchObject({ username: 'cliente', role: 'editor' });
+  it('createUser accetta i tre ruoli e getSessionUser li ritorna', () => {
+    createUser(db, 'u', 'segreta123', 'user');
+    createUser(db, 's', 'segreta123', 'superuser');
+    expect(getSessionUser(db, login(db, 'u', 'segreta123')!)).toMatchObject({ role: 'user' });
+    expect(getSessionUser(db, login(db, 's', 'segreta123')!)).toMatchObject({ role: 'superuser' });
   });
 
   it('createUser senza ruolo crea admin', () => {
     createUser(db, 'adriano', 'segreta123');
-    const token = login(db, 'adriano', 'segreta123')!;
-    expect(getSessionUser(db, token)).toMatchObject({ role: 'admin' });
-  });
-
-  it('admin accede a tutto, editor solo a contenuti e logout', () => {
-    expect(canAccessAdminPath('admin', '/admin')).toBe(true);
-    expect(canAccessAdminPath('admin', '/api/admin/posts')).toBe(true);
-    expect(canAccessAdminPath('editor', '/admin/content')).toBe(true);
-    expect(canAccessAdminPath('editor', '/api/admin/content/home.hero.title')).toBe(true);
-    expect(canAccessAdminPath('editor', '/admin/logout')).toBe(true);
-    expect(canAccessAdminPath('editor', '/admin')).toBe(false);
-    expect(canAccessAdminPath('editor', '/admin/new')).toBe(false);
-    expect(canAccessAdminPath('editor', '/api/admin/posts')).toBe(false);
-    expect(canAccessAdminPath('editor', '/api/admin/upload')).toBe(false);
-    expect(canAccessAdminPath('editor', '/admin/contentious')).toBe(false);
-    expect(canAccessAdminPath('editor', '/admin/content-x')).toBe(false);
-    expect(canAccessAdminPath('editor', '/admin/content')).toBe(true);
-    expect(canAccessAdminPath('editor', '/admin/content/')).toBe(true);
+    expect(getSessionUser(db, login(db, 'adriano', 'segreta123')!)).toMatchObject({ role: 'admin' });
+  });
+});
+
+describe('canAccessAdminPath', () => {
+  it('admin accede a tutto', () => {
+    for (const p of ['/admin', '/admin/users', '/admin/content', '/api/admin/posts', '/api/admin/users/1'])
+      expect(canAccessAdminPath('admin', p)).toBe(true);
+  });
+
+  it('superuser: contenuti + blog sì, utenti no', () => {
+    expect(canAccessAdminPath('superuser', '/admin/content')).toBe(true);
+    expect(canAccessAdminPath('superuser', '/admin/content/')).toBe(true);
+    expect(canAccessAdminPath('superuser', '/api/admin/content/home.hero.title')).toBe(true);
+    expect(canAccessAdminPath('superuser', '/admin')).toBe(true);
+    expect(canAccessAdminPath('superuser', '/admin/new')).toBe(true);
+    expect(canAccessAdminPath('superuser', '/api/admin/posts')).toBe(true);
+    expect(canAccessAdminPath('superuser', '/admin/users')).toBe(false);
+    expect(canAccessAdminPath('superuser', '/api/admin/users/1')).toBe(false);
+  });
+
+  it('user: blog sì, contenuti e utenti no', () => {
+    expect(canAccessAdminPath('user', '/admin')).toBe(true);
+    expect(canAccessAdminPath('user', '/admin/new')).toBe(true);
+    expect(canAccessAdminPath('user', '/api/admin/posts')).toBe(true);
+    expect(canAccessAdminPath('user', '/api/admin/upload')).toBe(true);
+    expect(canAccessAdminPath('user', '/admin/logout')).toBe(true);
+    expect(canAccessAdminPath('user', '/admin/content')).toBe(false);
+    expect(canAccessAdminPath('user', '/api/admin/content/x')).toBe(false);
+    expect(canAccessAdminPath('user', '/admin/users')).toBe(false);
+  });
+
+  it('la matrice non confonde prefissi simili', () => {
+    expect(canAccessAdminPath('user', '/admin/contentious')).toBe(true); // NON è /admin/content
+    expect(canAccessAdminPath('superuser', '/admin/users-x')).toBe(true); // NON è /admin/users
+  });
+});
+
+describe('landingFor', () => {
+  it('instrada ogni ruolo alla sua home', () => {
+    expect(landingFor('superuser')).toBe('/admin/content');
+    expect(landingFor('user')).toBe('/admin');
+    expect(landingFor('admin')).toBe('/admin');
   });
 });