feat(Validators): add server ID validation function to prevent path traversal and unsafe characters; update routes to utilize new validation logic
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This commit is contained in:
2026-02-22 23:28:19 +07:00
parent c3fba50de8
commit 353d14d64e
6 changed files with 54 additions and 17 deletions
+17
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@@ -195,6 +195,22 @@ function sanitizeString(str) {
return cleaned.trim();
}
/**
* Валидация идентификатора сервера для использования в S3-ключах и путях.
* Запрещает path traversal (.., /, \) и небезопасные символы.
* @param {string} serverId - идентификатор сервера
* @param {object} opts - { maxLength: number } (по умолчанию 128)
* @returns {boolean}
*/
function isValidServerId(serverId, opts = {}) {
if (!serverId || typeof serverId !== 'string') return false;
const maxLen = opts.maxLength != null ? opts.maxLength : 128;
const trimmed = serverId.trim();
if (trimmed.length === 0 || trimmed.length > maxLen) return false;
if (trimmed.includes('..') || trimmed.includes('/') || trimmed.includes('\\')) return false;
return /^[a-zA-Z0-9_.-]+$/.test(trimmed);
}
/**
* Проверка на SQL injection паттерны
* @param {string} str - строка для проверки
@@ -328,6 +344,7 @@ module.exports = {
isValidASN,
isValidCommunity,
isValidGateway,
isValidServerId,
sanitizeString,
isSafeSQLString,
isSafeXSSString,
+1 -1
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@@ -298,7 +298,7 @@ async function runBackupNow(req, res) {
comment: 'Manual backup from UI (/api/mikrotik/backups/run)',
});
return sendOk(res, {
return res.json({
ok: true,
key,
serverId,
+10 -4
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@@ -236,7 +236,7 @@ async function testMikrotikConnection(req, res) {
const client = createRosClient(creds);
await client.print('system/resource');
return sendOk(res, { ok: true, message: 'Connection successful' });
return res.json({ ok: true, message: 'Connection successful' });
} catch (error) {
const msg = error.response?.data?.message || error.message || 'Connection failed';
const status = error.response?.status;
@@ -1302,12 +1302,18 @@ async function speedTestViaTunnel(req, res) {
* POST /api/mikrotik/run-script
* Body: { serverId, script?: string } — по умолчанию script=update_bgp_filter
*/
const SCRIPT_NAME_REGEX = /^[a-zA-Z0-9_-]{1,64}$/;
async function runScript(req, res) {
try {
const { serverId, script = 'update_bgp_filter' } = req.body || {};
if (!serverId) {
return sendError(res, 400, 'serverId is required', 'E_BAD_REQUEST');
}
const scriptStr = String(script).trim();
if (!SCRIPT_NAME_REGEX.test(scriptStr)) {
return sendError(res, 400, 'script: only alphanumeric, underscore, hyphen, max 64 chars', 'E_BAD_REQUEST');
}
const servers = await readServersFromS3();
const server = servers.find(s => (s.id || s.dns || s.ip) === serverId);
@@ -1324,11 +1330,11 @@ async function runScript(req, res) {
// Сначала находим скрипт по имени, затем запускаем по .id
const scripts = await client.print('system/script');
const list = Array.isArray(scripts?.data) ? scripts.data : (scripts?.data ? [scripts.data] : []);
const found = list.find(s => (s.name || s['.id']) === script);
const scriptId = found ? (found['.id'] || found.name) : script;
const found = list.find(s => (s.name || s['.id']) === scriptStr);
const scriptId = found ? (found['.id'] || found.name) : scriptStr;
await client.command('system/script/run', { '.id': scriptId });
return sendOk(res, { ok: true, message: `Скрипт ${script} запущен` });
return res.json({ ok: true, message: `Скрипт ${scriptStr} запущен` });
} catch (error) {
const msg = error.response?.data?.message || error.message || 'Ошибка запуска скрипта';
const status = error.response?.status;
+3 -3
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@@ -106,7 +106,7 @@ async function runNetworkMapSchedulerNow(req, res) {
} catch (_) {}
});
return sendOk(res, { message: 'Запуск выполняется в фоне' });
return res.json({ ok: true, message: 'Запуск выполняется в фоне' });
} catch (e) {
console.error('[scheduler] run-now', e);
const msg = e?.message || String(e);
@@ -177,7 +177,7 @@ async function runPingServicesSchedulerNow(req, res) {
refreshPingServicesCache().catch((err) => {
console.error('[scheduler] ping-services run-now failed', err);
});
return sendOk(res, { message: 'Обновление кеша пинг-сервисов запущено в фоне' });
return res.json({ ok: true, message: 'Обновление кеша пинг-сервисов запущено в фоне' });
} catch (e) {
console.error('[scheduler] ping-services run-now', e);
return sendError(res, 500, 'Не удалось запустить', 'E_SCHEDULER');
@@ -237,7 +237,7 @@ async function runUptimeMonitorSchedulerNow(req, res) {
body: JSON.stringify({ serverId }),
}).catch((err) => console.warn('[scheduler] uptime check', serverId, err?.message));
}
return sendOk(res, { message: 'Проверки Uptime Monitor запущены в фоне' });
return res.json({ ok: true, message: 'Проверки Uptime Monitor запущены в фоне' });
} catch (e) {
console.error('[scheduler] uptime-monitor run-now', e);
return sendError(res, 500, 'Не удалось запустить', 'E_SCHEDULER');
+22 -6
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@@ -10,6 +10,7 @@ const { sendError, sendOk, checkIfNoneMatch } = require('../middleware/errorHand
const { GetObjectCommand, HeadObjectCommand } = require('@aws-sdk/client-s3');
const { streamToString } = require('../services/s3Service');
const { getS3TextWithHeaders, getS3JsonWithHeaders } = require('../utils/s3Helpers');
const { isValidServerId } = require('../lib/validators');
const S3_KEY = 'servers.json';
@@ -143,9 +144,19 @@ const serverConfigsListRoutes = {
post: postServerConfigsList
};
function validateServerIdParam(req, res) {
const serverId = req.params?.serverId;
if (!serverId || !isValidServerId(serverId)) {
sendError(res, 400, 'Invalid serverId: only alphanumeric, dot, dash, underscore allowed', 'E_BAD_REQUEST');
return null;
}
return serverId;
}
// GET /api/server-configs/:serverId (конкретная конфигурация)
async function getServerConfig(req, res) {
const { serverId } = req.params;
const serverId = validateServerIdParam(req, res);
if (serverId === null) return;
await getS3TextWithHeaders(
`filter-manager/config-${serverId}.txt`,
req,
@@ -159,7 +170,8 @@ async function getServerConfig(req, res) {
// POST /api/server-configs/:serverId (сохранить конфигурацию)
async function postServerConfig(req, res) {
const { serverId } = req.params;
const serverId = validateServerIdParam(req, res);
if (serverId === null) return;
const { config } = req.body;
if (!config) {
@@ -177,7 +189,8 @@ async function postServerConfig(req, res) {
// DELETE /api/server-configs/:serverId (удалить только конфигурацию)
async function deleteServerConfig(req, res) {
const { serverId } = req.params;
const serverId = validateServerIdParam(req, res);
if (serverId === null) return;
try {
await deleteS3Object(`filter-manager/config-${serverId}.txt`);
@@ -191,7 +204,8 @@ async function deleteServerConfig(req, res) {
// DELETE /api/server-configs/:serverId/complete (удалить конфигурацию и фильтры)
async function deleteServerComplete(req, res) {
const { serverId } = req.params;
const serverId = validateServerIdParam(req, res);
if (serverId === null) return;
try {
await Promise.allSettled([
@@ -208,7 +222,8 @@ async function deleteServerComplete(req, res) {
// GET /api/server-filters/:serverId
async function getServerFilters(req, res) {
const { serverId } = req.params;
const serverId = validateServerIdParam(req, res);
if (serverId === null) return;
await getS3JsonWithHeaders(
`filter-manager/server-filters-${serverId}.json`,
req,
@@ -219,7 +234,8 @@ async function getServerFilters(req, res) {
// POST /api/server-filters/:serverId
async function postServerFilters(req, res) {
const { serverId } = req.params;
const serverId = validateServerIdParam(req, res);
if (serverId === null) return;
const { filters } = req.body;
if (!Array.isArray(filters)) {
+1 -3
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@@ -120,9 +120,7 @@ function decrypt(encryptedText) {
}
console.error('Decryption error details:', {
error: error.message,
stack: error.stack,
encryptedTextLength: encryptedText.length,
encryptedTextPreview: encryptedText.substring(0, 100)
encryptedTextLength: encryptedText.length
});
throw error;
}