Initial commit — Умный Байт landing

This commit is contained in:
2026-05-13 09:32:45 +03:00
commit 9e21350def
37 changed files with 1950 additions and 0 deletions
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{
"name": "umbyte-backend",
"version": "0.1.0",
"private": true,
"type": "module",
"scripts": {
"dev": "tsx watch src/index.ts",
"build": "tsc",
"start": "node dist/index.js",
"migrate": "tsx src/db/migrate.ts",
"create-admin": "tsx src/scripts/create-admin.ts"
},
"dependencies": {
"bcrypt": "^5.1.1",
"cookie-parser": "^1.4.7",
"cors": "^2.8.5",
"dotenv": "^16.4.5",
"express": "^4.21.1",
"jsonwebtoken": "^9.0.2",
"pg": "^8.13.1",
"zod": "^3.23.8"
},
"devDependencies": {
"@types/bcrypt": "^5.0.2",
"@types/cookie-parser": "^1.4.7",
"@types/cors": "^2.8.17",
"@types/express": "^5.0.0",
"@types/jsonwebtoken": "^9.0.7",
"@types/node": "^22.9.0",
"@types/pg": "^8.11.10",
"tsx": "^4.19.2",
"typescript": "^5.6.3"
}
}
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import jwt from 'jsonwebtoken';
import bcrypt from 'bcrypt';
import type { Request, Response, NextFunction } from 'express';
const JWT_SECRET = process.env.JWT_SECRET || 'change-me-please';
const COOKIE_NAME = 'umbyte_session';
const TOKEN_TTL_SEC = 60 * 60 * 24 * 7;
export interface AdminPayload {
id: number;
login: string;
}
declare global {
namespace Express {
interface Request {
admin?: AdminPayload;
}
}
}
export function signToken(payload: AdminPayload): string {
return jwt.sign(payload, JWT_SECRET, { expiresIn: TOKEN_TTL_SEC });
}
export function setAuthCookie(res: Response, token: string): void {
res.cookie(COOKIE_NAME, token, {
httpOnly: true,
secure: process.env.NODE_ENV === 'production',
sameSite: 'lax',
maxAge: TOKEN_TTL_SEC * 1000,
path: '/',
});
}
export function clearAuthCookie(res: Response): void {
res.clearCookie(COOKIE_NAME, { path: '/' });
}
export function requireAdmin(
req: Request,
res: Response,
next: NextFunction
): void {
const token = req.cookies?.[COOKIE_NAME];
if (!token) {
res.status(401).json({ error: 'unauthorized' });
return;
}
try {
const payload = jwt.verify(token, JWT_SECRET) as AdminPayload;
req.admin = payload;
next();
} catch {
res.status(401).json({ error: 'unauthorized' });
}
}
export async function hashPassword(plain: string): Promise<string> {
return bcrypt.hash(plain, 12);
}
export async function verifyPassword(
plain: string,
hash: string
): Promise<boolean> {
return bcrypt.compare(plain, hash);
}
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import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { pool } from './pool.js';
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const MIGRATIONS_DIR = path.resolve(__dirname, '../../../db');
export async function runMigrations(): Promise<void> {
console.log('[migrate] Запуск миграций из', MIGRATIONS_DIR);
if (!fs.existsSync(MIGRATIONS_DIR)) {
console.warn('[migrate] Папка миграций не найдена, пропускаю');
return;
}
const files = fs
.readdirSync(MIGRATIONS_DIR)
.filter((f) => f.endsWith('.sql'))
.sort();
for (const file of files) {
const fullPath = path.join(MIGRATIONS_DIR, file);
const sql = fs.readFileSync(fullPath, 'utf-8');
console.log(`[migrate] → ${file}`);
try {
await pool.query(sql);
} catch (err) {
console.error(`[migrate] Ошибка в ${file}:`, err);
throw err;
}
}
console.log('[migrate] Все миграции применены');
}
if (import.meta.url === `file://${process.argv[1]}`) {
runMigrations()
.then(() => process.exit(0))
.catch((err) => {
console.error(err);
process.exit(1);
});
}
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import pg from 'pg';
import dotenv from 'dotenv';
dotenv.config();
const { Pool } = pg;
export const pool = new Pool({
host: process.env.DB_HOST || 'localhost',
port: parseInt(process.env.DB_PORT || '5432', 10),
user: process.env.DB_USER || 'umbyte',
password: process.env.DB_PASSWORD || 'umbyte_dev_password',
database: process.env.DB_NAME || 'umbyte',
max: 10,
idleTimeoutMillis: 30000,
connectionTimeoutMillis: 5000,
});
pool.on('error', (err) => {
console.error('Unexpected PostgreSQL error', err);
});
export async function query<T = unknown>(
text: string,
params?: unknown[]
): Promise<T[]> {
const result = await pool.query(text, params);
return result.rows as T[];
}
export async function queryOne<T = unknown>(
text: string,
params?: unknown[]
): Promise<T | null> {
const rows = await query<T>(text, params);
return rows[0] ?? null;
}
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import express from 'express';
import cors from 'cors';
import cookieParser from 'cookie-parser';
import dotenv from 'dotenv';
import { publicRouter } from './routes/public.js';
import { adminRouter } from './routes/admin.js';
import { runMigrations } from './db/migrate.js';
import { initFirstAdmin } from './scripts/init-admin.js';
dotenv.config();
const app = express();
const PORT = parseInt(process.env.PORT || '3000', 10);
app.use(express.json({ limit: '1mb' }));
app.use(cookieParser());
app.use(
cors({
origin:
process.env.NODE_ENV === 'production'
? false
: ['http://localhost:5173', 'http://127.0.0.1:5173'],
credentials: true,
})
);
app.get('/api/health', (_req, res) => {
res.json({ ok: true, service: 'umbyte-backend' });
});
app.use('/api', publicRouter);
app.use('/api/admin', adminRouter);
app.use((err: Error, _req: express.Request, res: express.Response, _next: express.NextFunction) => {
console.error('[error]', err);
res.status(500).json({ error: 'internal_error' });
});
async function start() {
try {
await runMigrations();
await initFirstAdmin();
app.listen(PORT, () => {
console.log(`[umbyte-backend] listening on :${PORT}`);
});
} catch (err) {
console.error('[startup] fatal error:', err);
process.exit(1);
}
}
start();
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import { Router } from 'express';
import { z } from 'zod';
import { query, queryOne } from '../db/pool.js';
import {
signToken,
setAuthCookie,
clearAuthCookie,
requireAdmin,
verifyPassword,
} from '../auth/jwt.js';
export const adminRouter = Router();
const loginSchema = z.object({
login: z.string().min(1).max(64),
password: z.string().min(1).max(256),
});
adminRouter.post('/login', async (req, res) => {
const parsed = loginSchema.safeParse(req.body);
if (!parsed.success) {
res.status(400).json({ error: 'invalid_payload' });
return;
}
const { login, password } = parsed.data;
try {
const user = await queryOne<{
id: number;
login: string;
password_hash: string;
}>(
`SELECT id, login, password_hash FROM admin_users WHERE login = $1`,
[login]
);
if (!user) {
res.status(401).json({ error: 'invalid_credentials' });
return;
}
const ok = await verifyPassword(password, user.password_hash);
if (!ok) {
res.status(401).json({ error: 'invalid_credentials' });
return;
}
await query(
`UPDATE admin_users SET last_login = now() WHERE id = $1`,
[user.id]
);
const token = signToken({ id: user.id, login: user.login });
setAuthCookie(res, token);
res.json({ ok: true, login: user.login });
} catch (err) {
console.error('[POST /admin/login]', err);
res.status(500).json({ error: 'internal_error' });
}
});
adminRouter.post('/logout', (_req, res) => {
clearAuthCookie(res);
res.json({ ok: true });
});
adminRouter.get('/me', requireAdmin, (req, res) => {
res.json({ admin: req.admin });
});
const productSchema = z.object({
slug: z.string().min(1).max(64),
title: z.string().min(1).max(128),
subtitle: z.string().max(256).nullable().optional(),
description: z.string().min(1),
status: z.enum(['production', 'development', 'planned']),
audience: z.enum(['B2B', 'B2C', 'global']).nullable().optional(),
icon_key: z.string().max(64).nullable().optional(),
tags: z.array(z.string()),
is_published: z.boolean().optional(),
sort_order: z.number().int().optional(),
});
adminRouter.get('/products', requireAdmin, async (_req, res) => {
const products = await query(
`SELECT * FROM products ORDER BY sort_order ASC`
);
res.json({ products });
});
adminRouter.post('/products', requireAdmin, async (req, res) => {
const parsed = productSchema.safeParse(req.body);
if (!parsed.success) {
res.status(400).json({ error: 'invalid_payload' });
return;
}
const p = parsed.data;
const created = await queryOne(
`INSERT INTO products (slug, title, subtitle, description, status,
audience, icon_key, tags, is_published, sort_order)
VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10)
RETURNING *`,
[
p.slug, p.title, p.subtitle ?? null, p.description, p.status,
p.audience ?? null, p.icon_key ?? null, JSON.stringify(p.tags),
p.is_published ?? true, p.sort_order ?? 0,
]
);
res.status(201).json({ product: created });
});
adminRouter.put('/products/:id', requireAdmin, async (req, res) => {
const id = parseInt(req.params.id, 10);
if (Number.isNaN(id)) {
res.status(400).json({ error: 'invalid_id' });
return;
}
const parsed = productSchema.partial().safeParse(req.body);
if (!parsed.success) {
res.status(400).json({ error: 'invalid_payload' });
return;
}
const p = parsed.data;
const updated = await queryOne(
`UPDATE products SET
slug = COALESCE($2, slug),
title = COALESCE($3, title),
subtitle = COALESCE($4, subtitle),
description = COALESCE($5, description),
status = COALESCE($6, status),
audience = COALESCE($7, audience),
icon_key = COALESCE($8, icon_key),
tags = COALESCE($9, tags),
is_published = COALESCE($10, is_published),
sort_order = COALESCE($11, sort_order),
updated_at = now()
WHERE id = $1
RETURNING *`,
[
id, p.slug, p.title, p.subtitle, p.description, p.status,
p.audience, p.icon_key,
p.tags ? JSON.stringify(p.tags) : null,
p.is_published, p.sort_order,
]
);
if (!updated) {
res.status(404).json({ error: 'not_found' });
return;
}
res.json({ product: updated });
});
adminRouter.delete('/products/:id', requireAdmin, async (req, res) => {
const id = parseInt(req.params.id, 10);
await query(`DELETE FROM products WHERE id = $1`, [id]);
res.json({ ok: true });
});
adminRouter.get('/sections', requireAdmin, async (_req, res) => {
const sections = await query(
`SELECT * FROM sections ORDER BY sort_order ASC`
);
res.json({ sections });
});
adminRouter.put('/sections/:key', requireAdmin, async (req, res) => {
const { key } = req.params;
const { content_json, title, is_active } = req.body;
const updated = await queryOne(
`UPDATE sections SET
content_json = COALESCE($2, content_json),
title = COALESCE($3, title),
is_active = COALESCE($4, is_active),
updated_at = now()
WHERE key = $1
RETURNING *`,
[key, content_json ?? null, title ?? null, is_active ?? null]
);
if (!updated) {
res.status(404).json({ error: 'not_found' });
return;
}
res.json({ section: updated });
});
adminRouter.get('/approach', requireAdmin, async (_req, res) => {
const items = await query(
`SELECT * FROM approach_items ORDER BY sort_order ASC`
);
res.json({ items });
});
adminRouter.put('/approach/:id', requireAdmin, async (req, res) => {
const id = parseInt(req.params.id, 10);
const { title, description, icon_key, sort_order, is_active } = req.body;
const updated = await queryOne(
`UPDATE approach_items SET
title = COALESCE($2, title),
description = COALESCE($3, description),
icon_key = COALESCE($4, icon_key),
sort_order = COALESCE($5, sort_order),
is_active = COALESCE($6, is_active)
WHERE id = $1
RETURNING *`,
[id, title, description, icon_key, sort_order, is_active]
);
res.json({ item: updated });
});
adminRouter.get('/settings', requireAdmin, async (_req, res) => {
const rows = await query<{ key: string; value: string }>(
`SELECT key, value FROM settings`
);
const settings: Record<string, string> = {};
for (const r of rows) settings[r.key] = r.value;
res.json({ settings });
});
adminRouter.put('/settings/:key', requireAdmin, async (req, res) => {
const { key } = req.params;
const { value } = req.body;
if (typeof value !== 'string') {
res.status(400).json({ error: 'invalid_payload' });
return;
}
await query(
`INSERT INTO settings (key, value) VALUES ($1, $2)
ON CONFLICT (key) DO UPDATE SET value = EXCLUDED.value, updated_at = now()`,
[key, value]
);
res.json({ ok: true });
});
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import { Router } from 'express';
import { query } from '../db/pool.js';
export const publicRouter = Router();
publicRouter.get('/content', async (_req, res) => {
try {
const [sections, products, approach, settings] = await Promise.all([
query<{ key: string; title: string; content_json: unknown; sort_order: number }>(
`SELECT key, title, content_json, sort_order
FROM sections
WHERE is_active = true
ORDER BY sort_order ASC`
),
query<unknown>(
`SELECT id, slug, title, subtitle, description,
status, audience, icon_key, tags, sort_order
FROM products
WHERE is_published = true
ORDER BY sort_order ASC`
),
query<unknown>(
`SELECT id, title, description, icon_key, sort_order
FROM approach_items
WHERE is_active = true
ORDER BY sort_order ASC`
),
query<{ key: string; value: string }>(
`SELECT key, value FROM settings`
),
]);
const sectionsMap: Record<string, unknown> = {};
for (const s of sections) {
sectionsMap[s.key] = s.content_json;
}
const settingsMap: Record<string, string> = {};
for (const s of settings) {
settingsMap[s.key] = s.value;
}
res.json({
sections: sectionsMap,
products,
approach,
settings: settingsMap,
});
} catch (err) {
console.error('[GET /content]', err);
res.status(500).json({ error: 'internal_error' });
}
});
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import { queryOne, query } from '../db/pool.js';
import { hashPassword } from '../auth/jwt.js';
export async function initFirstAdmin(): Promise<void> {
const existing = await queryOne<{ count: string }>(
`SELECT COUNT(*)::text AS count FROM admin_users`
);
const count = parseInt(existing?.count || '0', 10);
if (count > 0) {
return;
}
const password = process.env.ADMIN_INITIAL_PASSWORD || 'admin';
const hash = await hashPassword(password);
await query(
`INSERT INTO admin_users (login, password_hash) VALUES ($1, $2)`,
['admin', hash]
);
console.log('[init-admin] Создан первый админ: admin');
if (password === 'admin') {
console.warn(
'[init-admin] ВНИМАНИЕ: используется дефолтный пароль "admin". Смените его сразу!'
);
}
}
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{
"compilerOptions": {
"target": "ES2022",
"module": "ESNext",
"moduleResolution": "Bundler",
"lib": ["ES2022"],
"outDir": "./dist",
"rootDir": "./src",
"strict": true,
"esModuleInterop": true,
"skipLibCheck": true,
"forceConsistentCasingInFileNames": true,
"resolveJsonModule": true,
"allowImportingTsExtensions": false,
"verbatimModuleSyntax": false
},
"include": ["src/**/*"],
"exclude": ["node_modules", "dist"]
}