Files
evse-backend/projeto_parte1.c
2025-12-07 14:32:46 +00:00

1170 lines
30 KiB
C

// === Início de: ./utils/pushService.js ===
// utils/pushService.js
const webpush = require('web-push');
const db = require('../db');
const hasVapid =
!!process.env.VAPID_PUBLIC_KEY && !!process.env.VAPID_PRIVATE_KEY;
if (!hasVapid) {
console.warn('[Push] VAPID keys não definidas. Push desativado.');
} else {
webpush.setVapidDetails(
process.env.VAPID_SUBJECT || 'mailto:admin@evstation.local',
process.env.VAPID_PUBLIC_KEY,
process.env.VAPID_PRIVATE_KEY
);
}
// retry simples p/ 429 e 5xx
async function sendWithRetry(subscription, message, tries = 2) {
try {
return await webpush.sendNotification(subscription, message);
} catch (err) {
const code = err?.statusCode;
if ((code === 429 || code >= 500) && tries > 1) {
await new Promise((r) => setTimeout(r, 1000));
return sendWithRetry(subscription, message, tries - 1);
}
throw err;
}
}
async function sendPushToUser(userId, payload) {
if (!hasVapid) return;
const subs = await db('push_subscriptions')
.where({ user_id: userId })
.select('id', 'endpoint', 'p256dh', 'auth');
if (!subs.length) return;
const message = JSON.stringify(payload);
await Promise.allSettled(
subs.map(async (s) => {
const subscription = {
endpoint: s.endpoint,
keys: {
p256dh: s.p256dh,
auth: s.auth,
},
};
try {
await sendWithRetry(subscription, message);
// TTL opcional (default 15min)
// se quiseres usar TTL do payload, descomenta e passa options no sendWithRetry
// await webpush.sendNotification(subscription, message, {
// TTL: payload.ttl ?? 60 * 15,
// });
} catch (err) {
const code = err?.statusCode;
// remove subscriptions mortas
if (code === 404 || code === 410) {
await db('push_subscriptions').where({ id: s.id }).del();
} else {
console.error('[Push] erro ao enviar:', err.message);
}
}
})
);
}
module.exports = { sendPushToUser };
// === Fim de: ./utils/pushService.js ===
// === Início de: ./routes/charger_sessions.js ===
// routes/charger_sessions.js
const express = require('express');
const { param, query, body, validationResult } = require('express-validator');
const router = express.Router();
const verifyToken = require('../middleware/verifyToken');
const db = require('../db');
router.use(verifyToken);
function handleValidation(req, res, next) {
const errors = validationResult(req);
if (!errors.isEmpty()) {
return res.status(400).json({ success: false, errors: errors.array() });
}
next();
}
// GET /api/charger_sessions?chargerId=...
router.get(
'/',
[query('chargerId').isUUID().withMessage('chargerId deve ser UUID válido')],
handleValidation,
async (req, res) => {
const { chargerId } = req.query;
const userId = req.user.id;
const charger = await db('chargers')
.where({ id: chargerId, user_id: userId })
.first();
if (!charger) {
return res
.status(403)
.json({ success: false, message: 'Acesso não autorizado' });
}
const sessions = await db('charger_sessions')
.where({ charger_id: chargerId })
.orderBy('started_at', 'desc');
res.json({ success: true, data: sessions });
}
);
// GET /api/charger_sessions/:id
router.get(
'/:id',
[param('id').isUUID().withMessage('ID de sessão inválido')],
handleValidation,
async (req, res) => {
const { id } = req.params;
const userId = req.user.id;
const session = await db('charger_sessions')
.join('chargers', 'charger_sessions.charger_id', 'chargers.id')
.where({ 'charger_sessions.id': id, 'chargers.user_id': userId })
.select('charger_sessions.*')
.first();
if (!session) {
return res
.status(404)
.json({ success: false, message: 'Sessão não encontrada' });
}
res.json({ success: true, data: session });
}
);
// POST /api/charger_sessions
router.post(
'/',
[body('charger_id').isUUID().withMessage('charger_id deve ser UUID válido')],
handleValidation,
async (req, res) => {
const { charger_id } = req.body;
const userId = req.user.id;
const charger = await db('chargers')
.where({ id: charger_id, user_id: userId })
.first();
if (!charger) {
return res
.status(403)
.json({ success: false, message: 'Acesso não autorizado' });
}
const [inserted] = await db('charger_sessions')
.insert({ charger_id, started_at: new Date() })
.returning('*');
res.status(201).json({ success: true, data: inserted });
}
);
// PUT /api/charger_sessions/:id
router.put(
'/:id',
[
param('id').isUUID().withMessage('ID de sessão inválido'),
body('ended_at').optional().isISO8601().toDate(),
body('kwh').optional().isFloat({ min: 0 }),
body('cost').optional().isFloat({ min: 0 }),
],
handleValidation,
async (req, res) => {
const { id } = req.params;
const { ended_at, kwh, cost } = req.body;
const userId = req.user.id;
const session = await db('charger_sessions')
.join('chargers', 'charger_sessions.charger_id', 'chargers.id')
.where({ 'charger_sessions.id': id, 'chargers.user_id': userId })
.first();
if (!session) {
return res
.status(404)
.json({ success: false, message: 'Sessão não encontrada' });
}
const [updated] = await db('charger_sessions')
.where({ id })
.update({ ended_at, kwh, cost })
.returning('*');
res.json({ success: true, data: updated });
}
);
// DELETE /api/charger_sessions/:id
router.delete(
'/:id',
[param('id').isUUID().withMessage('ID de sessão inválido')],
handleValidation,
async (req, res) => {
const { id } = req.params;
const userId = req.user.id;
const deleted = await db('charger_sessions')
.join('chargers', 'charger_sessions.charger_id', 'chargers.id')
.where({ 'charger_sessions.id': id, 'chargers.user_id': userId })
.del();
if (!deleted) {
return res
.status(404)
.json({ success: false, message: 'Sessão não encontrada' });
}
res.json({ success: true, message: 'Sessão excluída com sucesso' });
}
);
// GET /api/charger_sessions/history/:chargerId
router.get(
'/history/:chargerId',
[
param('chargerId').isUUID().withMessage('chargerId deve ser UUID válido'),
query('viewMode')
.isIn(['Day', 'Week', 'Month'])
.withMessage('viewMode inválido'),
],
handleValidation,
async (req, res) => {
const { chargerId } = req.params;
const { viewMode } = req.query;
const userId = req.user.id;
// ownership check
const charger = await db('chargers')
.where({ id: chargerId, user_id: userId })
.first();
if (!charger) {
return res
.status(403)
.json({ success: false, message: 'Acesso não autorizado' });
}
let qb = db('charger_sessions')
.where({ charger_id: chargerId })
.sum('kwh as total_kwh');
switch (viewMode) {
case 'Day':
qb = qb
.select(db.raw('DATE(started_at) AS period'))
.groupBy(db.raw('DATE(started_at)'))
.orderBy('period', 'desc');
break;
case 'Week':
qb = qb
.select(
db.raw('EXTRACT(ISOYEAR FROM started_at) AS y'),
db.raw('EXTRACT(WEEK FROM started_at) AS w'),
db.raw(
"EXTRACT(ISOYEAR FROM started_at)||'-'||LPAD(EXTRACT(WEEK FROM started_at)::text,2,'0') AS period"
)
)
.groupBy('y', 'w')
.orderBy([{ column: 'y', order: 'desc' }, { column: 'w', order: 'desc' }]);
break;
case 'Month':
qb = qb
.select(
db.raw('EXTRACT(YEAR FROM started_at) AS y'),
db.raw('EXTRACT(MONTH FROM started_at) AS m'),
db.raw(
"EXTRACT(YEAR FROM started_at)||'-'||LPAD(EXTRACT(MONTH FROM started_at)::text,2,'0') AS period"
)
)
.groupBy('y', 'm')
.orderBy([{ column: 'y', order: 'desc' }, { column: 'm', order: 'desc' }]);
break;
}
const rows = await qb;
// ✅ devolve lista vazia em vez de 404
if (!rows.length) {
return res.json({ success: true, data: [] });
}
const data = rows.map((r) => ({
started_at: r.period,
kwh: parseFloat(r.total_kwh) || 0,
}));
res.json({ success: true, data });
}
);
module.exports = router;
// === Fim de: ./routes/charger_sessions.js ===
// === Início de: ./routes/push.js ===
// routes/push.js
const express = require('express');
const { body, validationResult } = require('express-validator');
const verifyToken = require('../middleware/verifyToken');
const db = require('../db');
const { sendPushToUser } = require('../utils/pushService');
const router = express.Router();
router.use(verifyToken);
function handleValidation(req, res, next) {
const errors = validationResult(req);
if (!errors.isEmpty()) {
return res.status(400).json({ success: false, errors: errors.array() });
}
next();
}
// GET /api/push/vapid-public-key
router.get('/vapid-public-key', (req, res) => {
if (!process.env.VAPID_PUBLIC_KEY) {
return res
.status(503)
.json({ success: false, message: 'Push indisponível' });
}
res.json({ success: true, data: { key: process.env.VAPID_PUBLIC_KEY } });
});
// POST /api/push/subscribe
router.post(
'/subscribe',
[
body('endpoint').isString(),
body('keys.p256dh').isString(),
body('keys.auth').isString(),
],
handleValidation,
async (req, res) => {
const userId = req.user.id;
const { endpoint, keys } = req.body;
const ua = req.headers['user-agent'] || null;
// evita duplicados
const existing = await db('push_subscriptions')
.where({ endpoint, user_id: userId })
.first();
if (existing) {
return res.json({ success: true, data: existing });
}
const [inserted] = await db('push_subscriptions')
.insert({
user_id: userId,
endpoint,
p256dh: keys.p256dh,
auth: keys.auth,
user_agent: ua,
created_at: new Date().toISOString(),
})
.returning('*');
res.status(201).json({ success: true, data: inserted });
}
);
// POST /api/push/unsubscribe
router.post(
'/unsubscribe',
[body('endpoint').optional().isString()],
handleValidation,
async (req, res) => {
const userId = req.user.id;
const { endpoint } = req.body || {};
// se não houver sub no navegador, responde ok
if (!endpoint) {
return res.json({ success: true, message: 'No subscription' });
}
await db('push_subscriptions')
.where({ endpoint, user_id: userId })
.del();
res.json({ success: true, message: 'Unsubscribed' });
}
);
// POST /api/push/test
router.post('/test', async (req, res) => {
const userId = req.user.id;
await sendPushToUser(userId, {
title: '📬 Teste EV Station',
body: 'Push notifications estão a funcionar!',
url: '/',
});
res.json({ success: true, message: 'Push enviado' });
});
module.exports = router;
// === Fim de: ./routes/push.js ===
// === Início de: ./routes/users.js ===
const express = require('express');
const router = express.Router();
const db = require('../db');
const jwt = require('jsonwebtoken');
const bcrypt = require('bcryptjs');
const rateLimit = require('express-rate-limit');
if (!process.env.JWT_SECRET) {
throw new Error('JWT_SECRET não definido no .env');
}
// limiter só para auth
const authLimiter = rateLimit({
windowMs: 60 * 1000,
max: 10,
standardHeaders: true,
legacyHeaders: false,
});
// POST /api/users/login
router.post('/login', authLimiter, async (req, res) => {
const { username, password } = req.body;
if (!username || !password) {
return res
.status(400)
.json({ success: false, message: 'Usuário e senha são obrigatórios' });
}
try {
const user = await db('users').where({ username }).first();
if (!user) {
return res
.status(401)
.json({ success: false, message: 'Credenciais inválidas' });
}
const isValidPassword = await bcrypt.compare(password, user.password);
if (!isValidPassword) {
return res
.status(401)
.json({ success: false, message: 'Credenciais inválidas' });
}
const token = jwt.sign(
{ id: user.id, username: user.username },
process.env.JWT_SECRET,
{ expiresIn: '24h' }
);
return res.json({ success: true, data: { token } });
} catch (err) {
console.error('Erro ao autenticar usuário:', err);
return res
.status(500)
.json({ success: false, message: 'Erro interno do servidor' });
}
});
// POST /api/users/register
router.post('/register', authLimiter, async (req, res) => {
const { username, password } = req.body;
if (
!username ||
!password ||
typeof username !== 'string' ||
typeof password !== 'string' ||
username.length < 3 ||
password.length < 4
) {
return res.status(400).json({
success: false,
message:
'Nome de usuário deve ter pelo menos 3 caracteres e senha pelo menos 4 caracteres',
});
}
try {
const existing = await db('users').where({ username }).first();
if (existing) {
return res
.status(409)
.json({ success: false, message: 'Nome de usuário está em uso' });
}
const hashedPassword = await bcrypt.hash(password, 10);
const [row] = await db('users')
.insert({ username, password: hashedPassword })
.returning('id');
const token = jwt.sign(
{ id: row.id, username },
process.env.JWT_SECRET,
{ expiresIn: '24h' }
);
return res.status(201).json({ success: true, data: { token } });
} catch (err) {
console.error('Erro ao registrar usuário:', err);
return res.status(500).json({
success: false,
message: 'Erro interno ao registrar usuário',
});
}
});
module.exports = router;
// === Fim de: ./routes/users.js ===
// === Início de: ./routes/chargers.js ===
// routes/chargers.js
const express = require('express');
const { body, param, validationResult } = require('express-validator');
const router = express.Router();
const verifyToken = require('../middleware/verifyToken');
const db = require('../db');
const crypto = require('crypto');
const axios = require('axios');
const mqttClient = require('../mqtt/client');
router.use(verifyToken);
function handleValidation(req, res, next) {
const errors = validationResult(req);
if (!errors.isEmpty()) {
return res.status(400).json({ success: false, errors: errors.array() });
}
next();
}
// throttling simples em memória (por charger)
const lastConfigUpdateAt = new Map();
// GET /api/chargers
router.get('/', async (req, res) => {
const userId = req.user.id;
try {
const chargers = await db('chargers')
.where({ user_id: userId })
.select('*');
res.json({ success: true, data: chargers });
} catch (err) {
console.error('Erro ao buscar carregadores:', err);
res.status(500).json({ success: false, message: 'Erro no servidor' });
}
});
// GET /api/chargers/:id
router.get(
'/:id',
[param('id').isUUID()],
handleValidation,
async (req, res) => {
const { id } = req.params;
const userId = req.user.id;
try {
const charger = await db('chargers')
.where({ id, user_id: userId })
.first();
if (!charger) {
return res
.status(404)
.json({ success: false, message: 'Carregador não encontrado' });
}
let config = null;
try {
config = await db('charger_configs')
.where({ charger_id: charger.id })
.first();
} catch (cfgErr) {
console.error('[GET charger] erro ao buscar charger_configs:', cfgErr);
}
if (!config)
config = {
charger_id: charger.id,
max_charging_current: 32,
require_auth: false,
rcm_enabled: false,
temperature_limit: 60,
};
const numericFields = [
'power_l1',
'power_l2',
'power_l3',
'voltage_l1',
'voltage_l2',
'voltage_l3',
'current_l1',
'current_l2',
'current_l3',
'charging_current',
'consumption',
];
numericFields.forEach((field) => {
const v = charger[field];
charger[field] =
v === null || v === undefined || v === '' ? 0 : Number(v);
if (Number.isNaN(charger[field])) charger[field] = 0;
});
return res.json({ success: true, data: { ...charger, config } });
} catch (err) {
console.error('Erro ao buscar carregador:', err);
return res.status(500).json({
success: false,
message:
process.env.NODE_ENV === 'development'
? err.message || 'Erro no servidor'
: 'Erro no servidor',
});
}
}
);
// POST /api/chargers
router.post(
'/',
[
body('location')
.exists()
.withMessage('O campo location é obrigatório')
.isString()
.withMessage('Location deve ser uma string')
.isLength({ min: 1 })
.withMessage('Location não pode estar vazio')
.trim(),
],
handleValidation,
async (req, res) => {
const { location } = req.body;
const userId = req.user.id;
const now = new Date().toISOString();
let chargerID;
do {
chargerID = crypto.randomBytes(6).toString('hex');
} while (
await db('chargers').where({ mqtt_topic: chargerID }).first()
);
const mqtt_topic = chargerID;
const mqtt_user = chargerID;
const mqtt_pass = crypto.randomBytes(6).toString('hex');
try {
const [charger] = await db('chargers')
.insert({
user_id: userId,
location,
status: 'offline',
charging_current: 0,
charging_time: 0,
consumption: 0,
power_l1: 0.0,
power_l2: 0.0,
power_l3: 0.0,
voltage_l1: 0.0,
voltage_l2: 0.0,
voltage_l3: 0.0,
current_l1: 0.0,
current_l2: 0.0,
current_l3: 0.0,
mqtt_user,
mqtt_pass,
mqtt_topic,
updated_at: now,
})
.returning('*');
await db('charger_configs').insert({
charger_id: charger.id,
max_charging_current: 32,
require_auth: false,
rcm_enabled: false,
temperature_limit: 60,
config_received_at: now,
});
try {
await axios.post(
'http://192.168.1.110:7000/client/create',
{
client_name: charger.mqtt_user,
chargeID: charger.mqtt_topic,
password: charger.mqtt_pass,
},
{ timeout: 5000 }
);
} catch (err) {
console.error(
'Erro ao criar cliente Mosquitto:',
err?.response?.data || err.message
);
}
res.status(201).json({ success: true, data: charger });
} catch (err) {
console.error('Erro ao criar carregador:', err);
res.status(500).json({ success: false, message: 'Erro no servidor' });
}
}
);
// PUT /api/chargers/:id
router.put(
'/:id',
[
param('id').isUUID(),
body('charger').optional().isObject(),
body('config').optional().isObject(),
body('location').optional().isString(), // compat front
],
handleValidation,
async (req, res) => {
const { id } = req.params;
const userId = req.user.id;
let { charger = {}, config = {} } = req.body;
// ✅ compatibilidade com front antigo: { location }
if (req.body.location && !charger.location) {
charger.location = req.body.location;
}
const trx = await db.transaction();
const ALLOWED_CHARGER_FIELDS = ['location'];
const safeChargerUpdate = Object.fromEntries(
Object.entries(charger).filter(([k]) =>
ALLOWED_CHARGER_FIELDS.includes(k)
)
);
try {
let updatedCharger;
if (Object.keys(safeChargerUpdate).length > 0) {
[updatedCharger] = await trx('chargers')
.where({ id, user_id: userId })
.update({
...safeChargerUpdate,
updated_at: new Date().toISOString(),
})
.returning('*');
} else {
updatedCharger = await trx('chargers')
.where({ id, user_id: userId })
.first();
}
if (!updatedCharger) {
await trx.rollback();
return res
.status(404)
.json({ success: false, message: 'Carregador não encontrado' });
}
if (Object.keys(config).length > 0) {
const existing = await trx('charger_configs')
.where({ charger_id: id })
.first();
const data = {
...config,
config_received_at: new Date().toISOString(),
};
if (existing) {
await trx('charger_configs')
.where({ charger_id: id })
.update(data);
} else {
await trx('charger_configs')
.insert({ charger_id: id, ...data });
}
}
await trx.commit();
res.json({ success: true, data: updatedCharger });
} catch (err) {
await trx.rollback();
console.error('Erro ao atualizar carregador:', err);
res.status(500).json({ success: false, message: 'Erro no servidor' });
}
}
);
// DELETE /api/chargers/:id
router.delete(
'/:id',
[param('id').isUUID()],
handleValidation,
async (req, res) => {
const { id } = req.params;
const userId = req.user.id;
try {
const charger = await db('chargers')
.where({ id, user_id: userId })
.first();
if (!charger) {
return res
.status(404)
.json({ success: false, message: 'Carregador não encontrado' });
}
try {
await axios.post(
'http://192.168.1.110:7000/client/delete',
{
client_name: charger.mqtt_user,
chargeID: charger.mqtt_topic,
},
{ timeout: 5000 }
);
} catch (err) {
console.error(
'Erro ao deletar cliente Mosquitto:',
err?.response?.data || err.message
);
}
await db('chargers').where({ id }).del();
res.json({ success: true, message: 'Carregador excluído com sucesso' });
} catch (err) {
console.error('Erro ao excluir carregador:', err);
res.status(500).json({ success: false, message: 'Erro no servidor' });
}
}
);
// PUT /api/chargers/:id/config
router.put(
'/:id/config',
[param('id').isUUID(), body('config').isObject()],
handleValidation,
async (req, res) => {
const { id } = req.params;
const { config } = req.body;
const userId = req.user.id;
try {
const charger = await db('chargers')
.where({ id, user_id: userId })
.first();
if (!charger) {
return res.status(404).json({
success: false,
message: 'Charger not found or unauthorized',
});
}
// lê config atual
const existing = await db('charger_configs')
.where({ charger_id: id })
.first();
// throttle simples por charger
const nowMs = Date.now();
const lastMs = lastConfigUpdateAt.get(id) || 0;
const tooSoon = nowMs - lastMs < 800;
// se veio max_charging_current, normaliza/clampa
let safeConfig = { ...config };
if (safeConfig.max_charging_current !== undefined) {
const safeAmp = Math.max(6, Math.min(Number(safeConfig.max_charging_current), 64));
safeConfig.max_charging_current = safeAmp;
}
const onlyAmp =
Object.keys(safeConfig).length === 1 &&
safeConfig.max_charging_current !== undefined;
// dedupe: mesmo valor -> responde ok sem update nem mqtt
if (
existing &&
onlyAmp &&
existing.max_charging_current === safeConfig.max_charging_current
) {
return res.json({ success: true, data: existing, message: 'Config unchanged' });
}
// se é update muito rápido e igual ao que já está, ignora
if (tooSoon && existing && onlyAmp) {
return res.json({ success: true, data: existing, message: 'Throttled' });
}
// ✅ upsert
let updatedConfig;
if (existing) {
[updatedConfig] = await db('charger_configs')
.where({ charger_id: id })
.update({
...safeConfig,
config_received_at: new Date().toISOString(),
})
.returning('*');
} else {
[updatedConfig] = await db('charger_configs')
.insert({
charger_id: id,
...safeConfig,
config_received_at: new Date().toISOString(),
})
.returning('*');
}
lastConfigUpdateAt.set(id, nowMs);
const keyMap = {
max_charging_current: 'maxChargingCurrent',
require_auth: 'requireAuth',
temperature_limit: 'temperatureThreshold',
};
Object.entries(safeConfig).forEach(([dbKey, value]) => {
const publishKey = keyMap[dbKey] || dbKey;
mqttClient.sendConfig(charger.mqtt_topic, publishKey, value);
});
return res.json({ success: true, data: updatedConfig });
} catch (err) {
console.error('Error updating config:', err);
return res
.status(500)
.json({ success: false, message: 'Server error' });
}
}
);
// GET /api/chargers/:id/schedule
router.get(
'/:id/schedule',
[param('id').isUUID()],
handleValidation,
async (req, res) => {
const { id } = req.params;
const userId = req.user.id;
const charger = await db('chargers')
.where({ id, user_id: userId })
.first();
if (!charger) {
return res
.status(404)
.json({ success: false, message: 'Carregador não encontrado' });
}
try {
const schedules = await db('charger_schedules')
.where({ charger_id: id })
.orderBy('created_at', 'desc');
return res.json({ success: true, data: schedules });
} catch (err) {
console.error('Erro ao buscar schedules:', err);
return res.json({ success: true, data: [] });
}
}
);
// POST /api/chargers/:id/schedule
router.post(
'/:id/schedule',
[
param('id').isUUID(),
body('start').matches(/^\d{2}:\d{2}$/).withMessage('start inválido'),
body('end').matches(/^\d{2}:\d{2}$/).withMessage('end inválido'),
body('repeat')
.isIn(['everyday', 'weekdays', 'weekends'])
.withMessage('repeat inválido'),
],
handleValidation,
async (req, res) => {
const { id } = req.params;
const { start, end, repeat } = req.body;
const userId = req.user.id;
const charger = await db('chargers')
.where({ id, user_id: userId })
.first();
if (!charger) {
return res
.status(404)
.json({ success: false, message: 'Carregador não encontrado' });
}
try {
const [inserted] = await db('charger_schedules')
.insert({
charger_id: id,
start,
end,
repeat,
created_at: new Date().toISOString(),
})
.returning('*');
return res.status(201).json({ success: true, data: inserted });
} catch (err) {
console.error('Erro ao criar schedule:', err);
return res
.status(500)
.json({ success: false, message: 'Erro ao criar schedule' });
}
}
);
// POST /api/chargers/:id/action
router.post(
'/:id/action',
[
param('id').isUUID().withMessage('ID do carregador inválido'),
body('action').isIn(['start', 'stop']).withMessage('Ação inválida'),
body('ampLimit')
.optional()
.isInt({ min: 6, max: 64 })
.withMessage('ampLimit deve estar entre 6 e 64'),
],
handleValidation,
async (req, res) => {
const { id } = req.params;
const { action, ampLimit } = req.body;
const userId = req.user.id;
try {
const charger = await db('chargers')
.where({ id, user_id: userId })
.first();
if (!charger) {
return res.status(404).json({
success: false,
message: 'Carregador não encontrado ou não autorizado',
});
}
if (ampLimit !== undefined) {
const safeAmp = Math.max(6, Math.min(Number(ampLimit), 64));
await db('charger_configs')
.where({ charger_id: id })
.update({
max_charging_current: safeAmp,
config_received_at: new Date().toISOString(),
});
mqttClient.sendConfig(
charger.mqtt_topic,
'maxChargingCurrent',
safeAmp
);
}
const enable = action === 'start';
mqttClient.sendEnable(charger.mqtt_topic, enable);
return res.json({
success: true,
message: `Comando '${action}' enviado com sucesso`,
});
} catch (err) {
console.error(
`Erro ao processar ação '${action}' para carregador ${id}:`,
err
);
return res
.status(500)
.json({ success: false, message: 'Erro ao processar ação' });
}
}
);
module.exports = router;
// === Fim de: ./routes/chargers.js ===
// === Início de: ./middleware/verifyToken.js ===
const jwt = require('jsonwebtoken');
if (!process.env.JWT_SECRET) {
throw new Error('JWT_SECRET não definido no .env');
}
function verifyToken(req, res, next) {
const authHeader =
req.headers['authorization'] || req.headers['Authorization'];
if (!authHeader) {
return res.status(403).json({ error: 'Token não fornecido' });
}
const match = authHeader.match(/^Bearer\s+(.+)$/i);
if (!match) {
return res
.status(403)
.json({ error: 'Token malformado. Use "Bearer <token>"' });
}
const token = match[1];
jwt.verify(token, process.env.JWT_SECRET, (err, payload) => {
if (err) {
if (err.name === 'TokenExpiredError') {
return res.status(403).json({ error: 'Sessão expirada' });
}
return res.status(403).json({ error: 'Token inválido' });
}
if (!payload?.id) {
return res.status(403).json({ error: 'Token inválido' });
}
req.user = payload;
next();
});
}
module.exports = verifyToken;
// === Fim de: ./middleware/verifyToken.js ===