mirror of
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UNITRONIX
684bd06c6e
Redesign the console backup into a complete .tar.gz disaster-recovery bundle that can be restored on a fresh machine to bring the entire server back online. Adds zero-dependency tar.gz writer/reader (backupArchive.js), logical dumpAllTables/importAllTables for SQLite and PostgreSQL, and packs the console database, auth.db, .env, .session_secret, branding uploads, and Go server identity (Ed25519 keys, .api_key, db_v2.sqlite3) plus a recovery README. Restore auto-detects archive vs legacy JSON snapshot, supports per-component selection (database/uploads/secrets/.env/Go DB) with restart-required signaling, and warns that the archive contains secrets. EN/PL/ZH i18n added. This commit was made possible thanks to Insolve.
684 lines
25 KiB
JavaScript
684 lines
25 KiB
JavaScript
/**
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* BetterDesk Console - Backup & Restore Service
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*
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* Creates/restores JSON snapshots of console configuration:
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* - Console settings (key/value pairs)
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* - Branding configuration
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* - Users (admin/operator accounts — passwords are hashed)
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* - Folders structure
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* - User groups, device groups, strategies
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* - Address books
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* - Go server peers + blocklist + config (fetched via REST when available)
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*
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* Archive format: single JSON file (*.betterdesk-backup.json)
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*/
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const db = require('./database');
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const brandingService = require('./brandingService');
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const serverBackend = require('./serverBackend');
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const config = require('../config/config');
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const fs = require('fs');
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const path = require('path');
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const archive = require('./backupArchive');
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// Current backup format version — increment on breaking schema changes
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const BACKUP_FORMAT_VERSION = 1;
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// Full disaster-recovery archive format identifier + version
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const FULL_BACKUP_FORMAT = 'betterdesk-full-backup';
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const FULL_BACKUP_VERSION = 1;
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// ========================== Export ========================================
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/**
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* Build a full backup payload.
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* @returns {Promise<Object>} Serialisable backup object
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*/
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async function createBackup() {
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const timestamp = new Date().toISOString();
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// --- Console local data ---
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const settings = await db.getAllSettings();
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const branding = brandingService.getBranding();
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const users = await db.getAllUsersForBackup();
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const folders = await db.getAllFolders();
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const userGroups = await db.getAllUserGroups();
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const deviceGroups = await db.getAllDeviceGroups();
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const strategies = await db.getAllStrategies();
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// Address books (all users)
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const addressBooks = await db.getAllAddressBooks();
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// --- Go server data (best-effort) ---
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let goServer = null;
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if (serverBackend.isBetterDesk()) {
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goServer = await fetchGoServerData();
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}
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return {
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_format: 'betterdesk-backup',
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_version: BACKUP_FORMAT_VERSION,
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_created: timestamp,
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_console_version: config.appVersion,
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_backend: serverBackend.getActiveBackend(),
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console: {
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settings,
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branding,
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users,
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folders,
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userGroups,
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deviceGroups,
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strategies,
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addressBooks
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},
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goServer
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};
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}
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/**
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* Fetch data from BetterDesk Go server via REST API.
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* Non-critical — returns null on failure.
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*/
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async function fetchGoServerData() {
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try {
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const betterdeskApi = require('./betterdeskApi');
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const [peersRes, blocklistRes, auditRes, healthRes] = await Promise.all([
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betterdeskApi.getAllPeers().catch(() => []),
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betterdeskApi.getBlocklist().catch(() => []),
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betterdeskApi.getAuditEvents(500).catch(() => []),
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betterdeskApi.getHealth().catch(() => ({}))
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]);
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return {
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peers: peersRes || [],
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blocklist: blocklistRes || [],
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auditEvents: auditRes || [],
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serverHealth: healthRes || {}
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};
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} catch {
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return null;
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}
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}
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// ========================== Import ========================================
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/**
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* Validate a backup payload before restoring.
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* @param {Object} data - Parsed backup JSON
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* @returns {{ valid: boolean, errors: string[] }}
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*/
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function validateBackup(data) {
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const errors = [];
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if (!data || typeof data !== 'object') {
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errors.push('Invalid backup file: not a JSON object');
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return { valid: false, errors };
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}
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if (data._format !== 'betterdesk-backup') {
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errors.push('Invalid backup file: missing or wrong _format field');
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}
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if (typeof data._version !== 'number' || data._version > BACKUP_FORMAT_VERSION) {
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errors.push(`Unsupported backup version: ${data._version} (max supported: ${BACKUP_FORMAT_VERSION})`);
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}
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if (!data.console || typeof data.console !== 'object') {
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errors.push('Invalid backup file: missing console section');
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}
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return { valid: errors.length === 0, errors };
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}
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/**
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* Restore console data from a backup payload.
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* Only restores console-local data. Go server data is informational.
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*
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* @param {Object} data - Validated backup payload
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* @param {Object} options
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* @param {boolean} options.restoreSettings - Restore console settings (default true)
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* @param {boolean} options.restoreBranding - Restore branding/theme (default true)
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* @param {boolean} options.restoreUsers - Restore user accounts (default false — destructive!)
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* @param {boolean} options.restoreFolders - Restore folder structure (default true)
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* @param {boolean} options.restoreGroups - Restore user/device groups + strategies (default true)
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* @param {boolean} options.restoreAddressBooks - Restore address books (default true)
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* @returns {{ restored: string[], skipped: string[], warnings: string[] }}
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*/
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async function restoreBackup(data, options = {}) {
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const {
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restoreSettings = true,
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restoreBranding = true,
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restoreUsers = false,
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restoreFolders = true,
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restoreGroups = true,
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restoreAddressBooks = true
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} = options;
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const result = { restored: [], skipped: [], warnings: [] };
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// --- Settings ---
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if (restoreSettings && data.console.settings) {
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try {
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const settings = data.console.settings;
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for (const [key, value] of Object.entries(settings)) {
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await db.setSetting(key, value);
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}
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result.restored.push('settings');
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} catch (err) {
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result.warnings.push(`Settings restore failed: ${err.message}`);
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}
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} else {
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result.skipped.push('settings');
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}
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// --- Branding ---
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if (restoreBranding && data.console.branding) {
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try {
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await brandingService.saveBranding(data.console.branding);
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result.restored.push('branding');
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} catch (err) {
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result.warnings.push(`Branding restore failed: ${err.message}`);
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}
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} else {
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result.skipped.push('branding');
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}
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// --- Users (destructive — replaces all users) ---
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if (restoreUsers && Array.isArray(data.console.users) && data.console.users.length > 0) {
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try {
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await db.restoreUsers(data.console.users);
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result.restored.push('users');
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} catch (err) {
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result.warnings.push(`Users restore failed: ${err.message}`);
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}
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} else {
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result.skipped.push('users');
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}
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// --- Folders ---
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if (restoreFolders && Array.isArray(data.console.folders)) {
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try {
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// Merge: insert folders that don't exist
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const existingFolders = await db.getAllFolders();
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const existing = new Set(existingFolders.map(f => f.name));
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for (const f of data.console.folders) {
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if (!existing.has(f.name)) {
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await db.createFolder(f.name, f.color || '#6366f1', f.icon || 'folder');
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}
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}
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result.restored.push('folders');
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} catch (err) {
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result.warnings.push(`Folders restore failed: ${err.message}`);
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}
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} else {
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result.skipped.push('folders');
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}
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// --- User Groups + Device Groups + Strategies ---
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if (restoreGroups) {
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try {
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await restoreGroupsData(data.console, result);
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result.restored.push('groups');
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} catch (err) {
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result.warnings.push(`Groups restore failed: ${err.message}`);
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}
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} else {
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result.skipped.push('groups');
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}
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// --- Address Books ---
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if (restoreAddressBooks && Array.isArray(data.console.addressBooks)) {
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try {
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for (const ab of data.console.addressBooks) {
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if (ab.user_id && ab.ab_type) {
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await db.saveAddressBook(ab.user_id, ab.ab_type, ab.data || '{}');
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}
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}
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result.restored.push('addressBooks');
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} catch (err) {
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result.warnings.push(`Address books restore failed: ${err.message}`);
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}
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} else {
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result.skipped.push('addressBooks');
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}
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return result;
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}
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/**
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* Restore user groups, device groups and strategies (merge, don't duplicate).
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*/
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async function restoreGroupsData(consoleData, result) {
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// User groups
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if (Array.isArray(consoleData.userGroups)) {
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const existing = new Set((await db.getAllUserGroups()).map(g => g.guid));
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for (const g of consoleData.userGroups) {
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if (g.guid && !existing.has(g.guid)) {
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try {
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await db.createUserGroup({ guid: g.guid, name: g.name, note: g.note || '' });
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} catch { /* duplicate guid — skip */ }
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}
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}
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}
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// Device groups
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if (Array.isArray(consoleData.deviceGroups)) {
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const existing = new Set((await db.getAllDeviceGroups()).map(g => g.guid));
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for (const g of consoleData.deviceGroups) {
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if (g.guid && !existing.has(g.guid)) {
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try {
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await db.createDeviceGroup({ guid: g.guid, name: g.name, note: g.note || '' });
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} catch { /* duplicate guid — skip */ }
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}
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}
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}
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// Strategies
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if (Array.isArray(consoleData.strategies)) {
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const existing = new Set((await db.getAllStrategies()).map(s => s.guid));
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for (const s of consoleData.strategies) {
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if (s.guid && !existing.has(s.guid)) {
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try {
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await db.createStrategy({
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guid: s.guid,
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name: s.name,
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user_group_guid: s.user_group_guid || '',
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device_group_guid: s.device_group_guid || '',
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enabled: s.enabled !== undefined ? s.enabled : 1,
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permissions: typeof s.permissions === 'string' ? s.permissions : JSON.stringify(s.permissions || {})
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});
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} catch { /* duplicate guid — skip */ }
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}
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}
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}
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}
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/**
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* Get size estimate for a backup (useful for UI info).
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* @returns {{ tables: Object<string, number>, totalRows: number }}
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*/
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async function getBackupStats() {
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const stats = await db.getBackupStats();
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return {
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...stats,
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backend: serverBackend.getActiveBackend()
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};
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}
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// ===================== Full Disaster-Recovery Backup ======================
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//
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// Unlike the JSON snapshot above, the full backup bundles everything required
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// to rebuild the server identity and data on a brand-new machine:
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// - manifest.json metadata + component inventory
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// - console/data.json logical dump of ALL console DB tables
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// - console/auth.db raw SQLite copy (sqlite backend only)
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// - console/.env environment (SESSION_SECRET, API key, DSN, ports, TLS)
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// - console/.session_secret session signing secret
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// - console/uploads/* branding image files
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// - goserver/data.json Go server peers/blocklist/audit (informational)
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// - goserver/id_ed25519(.pub) server identity keypair (client trust + relay)
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// - goserver/.api_key console <-> Go server API key
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// - goserver/db_v2.sqlite3 raw Go server DB (when readable)
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// - README.txt human-readable recovery instructions
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//
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// SECURITY: the archive contains secrets (keys, .env, password hashes, 2FA
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// secrets). It MUST be stored securely and never shared. The UI warns about
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// this and most secret components require an explicit opt-in to restore.
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/**
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* Resolve the absolute paths of every file-based backup component.
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*/
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function resolveBackupPaths() {
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return {
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env: path.join(__dirname, '..', '.env'),
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sessionSecret: path.join(config.dataDir, '.session_secret'),
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uploadsDir: path.join(config.dataDir, 'uploads'),
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consoleDb: db.getDatabaseFilePath(),
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goPrivKey: path.join(config.keysPath, 'id_ed25519'),
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goPubKey: config.pubKeyPath,
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goApiKey: config.apiKeyPath,
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goDb: config.dbPath
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};
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}
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/**
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* Add a file to the archive entry list if it exists and is readable.
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*/
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function addFileIfExists(entries, archiveName, filePath, present) {
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try {
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if (filePath && fs.existsSync(filePath) && fs.statSync(filePath).isFile()) {
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entries.push({ name: archiveName, data: fs.readFileSync(filePath), mode: 0o600 });
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present.push(archiveName);
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return true;
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}
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} catch (_) { /* unreadable — skip */ }
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return false;
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}
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/**
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* Recursively collect files under a directory into archive entries.
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*/
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function addDirIfExists(entries, archivePrefix, dirPath, present) {
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try {
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if (!dirPath || !fs.existsSync(dirPath) || !fs.statSync(dirPath).isDirectory()) return;
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const walk = (rel) => {
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const abs = path.join(dirPath, rel);
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for (const name of fs.readdirSync(abs)) {
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const childRel = rel ? path.join(rel, name) : name;
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const childAbs = path.join(dirPath, childRel);
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const st = fs.statSync(childAbs);
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if (st.isDirectory()) {
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walk(childRel);
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} else if (st.isFile()) {
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const archiveName = `${archivePrefix}/${childRel.split(path.sep).join('/')}`;
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entries.push({ name: archiveName, data: fs.readFileSync(childAbs), mode: 0o644 });
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present.push(archiveName);
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}
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}
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};
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walk('');
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} catch (_) { /* skip */ }
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}
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/**
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* Build the human-readable recovery instructions bundled in the archive.
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*/
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function buildRecoveryReadme(manifest) {
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return [
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'BetterDesk Console — Full Disaster-Recovery Backup',
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'==================================================',
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'',
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`Created: ${manifest._created}`,
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`Console version: ${manifest._console_version}`,
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`Database engine: ${manifest.dbType}`,
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`Components: ${manifest.components.join(', ')}`,
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'',
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'WARNING: This archive contains SECRETS (Ed25519 server keys, .env with',
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'SESSION_SECRET / API key / database credentials, user password hashes and',
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'2FA secrets). Store it securely and never share it.',
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'',
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'How to restore on a fresh machine',
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'---------------------------------',
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'1. Install BetterDesk using the ALL-IN-ONE installer (betterdesk.sh / .ps1).',
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'2. Stop the console and Go server services.',
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'3. Open the web console Settings page and use "Restore from backup",',
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' OR extract this archive manually with: tar -xzf <backup>.tar.gz',
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' and copy each component back to its location:',
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' console/.env -> web-nodejs/.env',
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' console/.session_secret -> <dataDir>/.session_secret',
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' console/auth.db -> <dataDir>/auth.db (SQLite backend only)',
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' console/uploads/* -> <dataDir>/uploads/',
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' goserver/id_ed25519 -> <keysPath>/id_ed25519',
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' goserver/id_ed25519.pub -> <keysPath>/id_ed25519.pub',
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' goserver/.api_key -> <keysPath>/.api_key',
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' goserver/db_v2.sqlite3 -> Go server DB path (SQLite backend only)',
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'4. For PostgreSQL backends, the logical dump in console/data.json is',
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' re-imported through the console Restore action.',
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'5. Restart both services. Clients keep trusting the server because the',
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' Ed25519 identity key was preserved.',
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''
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].join('\n');
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}
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/**
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* Create a full disaster-recovery backup as a gzipped tar archive.
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* @returns {Promise<{ buffer: Buffer, filename: string }>}
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*/
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async function createFullBackup() {
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const timestamp = new Date().toISOString();
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const paths = resolveBackupPaths();
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const entries = [];
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const present = [];
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// --- Console logical DB dump (portable across engines) ---
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let consoleDump = null;
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try { consoleDump = await db.dumpAllTables(); } catch (_) { consoleDump = null; }
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if (consoleDump) {
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entries.push({ name: 'console/data.json', data: JSON.stringify(consoleDump) });
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present.push('console/data.json');
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}
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// --- Go server data (best-effort, informational) ---
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let goServer = null;
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if (await serverBackend.isBetterDesk()) {
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goServer = await fetchGoServerData();
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}
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if (goServer) {
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entries.push({ name: 'goserver/data.json', data: JSON.stringify(goServer) });
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present.push('goserver/data.json');
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}
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// --- Raw secret / identity files ---
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addFileIfExists(entries, 'console/.env', paths.env, present);
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addFileIfExists(entries, 'console/.session_secret', paths.sessionSecret, present);
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addFileIfExists(entries, 'console/auth.db', paths.consoleDb, present);
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addDirIfExists(entries, 'console/uploads', paths.uploadsDir, present);
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addFileIfExists(entries, 'goserver/id_ed25519', paths.goPrivKey, present);
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addFileIfExists(entries, 'goserver/id_ed25519.pub', paths.goPubKey, present);
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addFileIfExists(entries, 'goserver/.api_key', paths.goApiKey, present);
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addFileIfExists(entries, 'goserver/db_v2.sqlite3', paths.goDb, present);
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// --- Manifest + README ---
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const manifest = {
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_format: FULL_BACKUP_FORMAT,
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_version: FULL_BACKUP_VERSION,
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_created: timestamp,
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_console_version: config.appVersion,
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_backend: await serverBackend.getActiveBackend(),
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dbType: config.dbType,
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components: present
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};
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entries.unshift({ name: 'manifest.json', data: JSON.stringify(manifest, null, 2) });
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entries.push({ name: 'README.txt', data: buildRecoveryReadme(manifest) });
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const buffer = archive.createTarGz(entries);
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const dateStr = timestamp.slice(0, 19).replace(/[:T]/g, '-');
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return { buffer, filename: `betterdesk-backup-${dateStr}.tar.gz` };
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}
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/**
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* Validate a full-backup archive buffer.
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|
* @returns {{ valid: boolean, errors: string[], manifest: Object|null }}
|
|
*/
|
|
function validateFullBackup(buffer) {
|
|
const errors = [];
|
|
let files;
|
|
try {
|
|
files = archive.extractTarGz(buffer);
|
|
} catch (err) {
|
|
return { valid: false, errors: [`Not a valid gzip/tar archive: ${err.message}`], manifest: null };
|
|
}
|
|
const manifestRaw = files.get('manifest.json');
|
|
if (!manifestRaw) {
|
|
return { valid: false, errors: ['Archive is missing manifest.json'], manifest: null };
|
|
}
|
|
let manifest;
|
|
try {
|
|
manifest = JSON.parse(manifestRaw.toString('utf8'));
|
|
} catch (err) {
|
|
return { valid: false, errors: [`manifest.json is not valid JSON: ${err.message}`], manifest: null };
|
|
}
|
|
if (manifest._format !== FULL_BACKUP_FORMAT) {
|
|
errors.push('Archive is not a BetterDesk full backup (wrong _format)');
|
|
}
|
|
if (typeof manifest._version !== 'number' || manifest._version > FULL_BACKUP_VERSION) {
|
|
errors.push(`Unsupported full-backup version: ${manifest._version}`);
|
|
}
|
|
return { valid: errors.length === 0, errors, manifest, files };
|
|
}
|
|
|
|
/**
|
|
* Restore a full disaster-recovery backup.
|
|
*
|
|
* @param {Buffer} buffer - gzipped tar archive
|
|
* @param {Object} options
|
|
* @param {boolean} options.restoreDatabase - Re-import logical DB dump (default true)
|
|
* @param {boolean} options.restoreEnv - Overwrite .env (default false — needs restart)
|
|
* @param {boolean} options.restoreSecrets - Restore session secret + Go keys + API key (default false)
|
|
* @param {boolean} options.restoreUploads - Restore branding upload files (default true)
|
|
* @param {boolean} options.restoreGoDb - Overwrite Go server raw DB (default false — needs restart)
|
|
* @returns {Promise<{ restored: string[], skipped: string[], warnings: string[], requiresRestart: boolean }>}
|
|
*/
|
|
async function restoreFullBackup(buffer, options = {}) {
|
|
const {
|
|
restoreDatabase = true,
|
|
restoreEnv = false,
|
|
restoreSecrets = false,
|
|
restoreUploads = true,
|
|
restoreGoDb = false
|
|
} = options;
|
|
|
|
const result = { restored: [], skipped: [], warnings: [], requiresRestart: false };
|
|
|
|
const validation = validateFullBackup(buffer);
|
|
if (!validation.valid) {
|
|
throw new Error(`Invalid backup archive: ${validation.errors.join('; ')}`);
|
|
}
|
|
const files = validation.files;
|
|
const paths = resolveBackupPaths();
|
|
|
|
const writeFile = (filePath, data, mode) => {
|
|
fs.mkdirSync(path.dirname(filePath), { recursive: true });
|
|
fs.writeFileSync(filePath, data, { mode: mode || 0o600 });
|
|
};
|
|
|
|
// --- Logical DB import (live restore, no restart needed) ---
|
|
if (restoreDatabase && files.has('console/data.json')) {
|
|
try {
|
|
const dump = JSON.parse(files.get('console/data.json').toString('utf8'));
|
|
const r = await db.importAllTables(dump);
|
|
result.restored.push(`database (${r.restored.length} tables)`);
|
|
for (const w of r.warnings) result.warnings.push(w);
|
|
} catch (err) {
|
|
result.warnings.push(`Database restore failed: ${err.message}`);
|
|
}
|
|
} else {
|
|
result.skipped.push('database');
|
|
}
|
|
|
|
// --- Branding upload files ---
|
|
if (restoreUploads) {
|
|
try {
|
|
let count = 0;
|
|
for (const [name, data] of files) {
|
|
if (name.startsWith('console/uploads/')) {
|
|
const rel = name.slice('console/uploads/'.length);
|
|
if (!rel || rel.includes('..')) continue;
|
|
writeFile(path.join(paths.uploadsDir, rel), data, 0o644);
|
|
count++;
|
|
}
|
|
}
|
|
if (count > 0) result.restored.push(`uploads (${count} files)`);
|
|
else result.skipped.push('uploads');
|
|
} catch (err) {
|
|
result.warnings.push(`Uploads restore failed: ${err.message}`);
|
|
}
|
|
} else {
|
|
result.skipped.push('uploads');
|
|
}
|
|
|
|
// --- Secrets: session secret, Go identity keys, API key (needs restart) ---
|
|
if (restoreSecrets) {
|
|
const secretFiles = [
|
|
['console/.session_secret', paths.sessionSecret, 0o600],
|
|
['goserver/id_ed25519', paths.goPrivKey, 0o600],
|
|
['goserver/id_ed25519.pub', paths.goPubKey, 0o644],
|
|
['goserver/.api_key', paths.goApiKey, 0o600]
|
|
];
|
|
let restoredAny = false;
|
|
for (const [archiveName, target, mode] of secretFiles) {
|
|
if (files.has(archiveName) && target) {
|
|
try {
|
|
writeFile(target, files.get(archiveName), mode);
|
|
restoredAny = true;
|
|
} catch (err) {
|
|
result.warnings.push(`${archiveName} restore failed: ${err.message}`);
|
|
}
|
|
}
|
|
}
|
|
if (restoredAny) { result.restored.push('secrets/keys'); result.requiresRestart = true; }
|
|
else result.skipped.push('secrets/keys');
|
|
} else {
|
|
result.skipped.push('secrets/keys');
|
|
}
|
|
|
|
// --- .env (needs restart) ---
|
|
if (restoreEnv && files.has('console/.env')) {
|
|
try {
|
|
writeFile(paths.env, files.get('console/.env'), 0o600);
|
|
result.restored.push('.env');
|
|
result.requiresRestart = true;
|
|
} catch (err) {
|
|
result.warnings.push(`.env restore failed: ${err.message}`);
|
|
}
|
|
} else {
|
|
result.skipped.push('.env');
|
|
}
|
|
|
|
// --- Go server raw DB (SQLite only, needs restart) ---
|
|
if (restoreGoDb && files.has('goserver/db_v2.sqlite3') && paths.goDb) {
|
|
try {
|
|
writeFile(paths.goDb, files.get('goserver/db_v2.sqlite3'), 0o600);
|
|
result.restored.push('goserver-db');
|
|
result.requiresRestart = true;
|
|
} catch (err) {
|
|
result.warnings.push(`Go server DB restore failed: ${err.message}`);
|
|
}
|
|
} else {
|
|
result.skipped.push('goserver-db');
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Stats / inventory for the full backup UI.
|
|
*/
|
|
async function getFullBackupStats() {
|
|
const stats = await db.getBackupStats();
|
|
const paths = resolveBackupPaths();
|
|
const exists = (p) => {
|
|
try { return !!p && fs.existsSync(p); } catch (_) { return false; }
|
|
};
|
|
let uploadCount = 0;
|
|
try {
|
|
if (exists(paths.uploadsDir)) {
|
|
const walk = (dir) => {
|
|
for (const name of fs.readdirSync(dir)) {
|
|
const abs = path.join(dir, name);
|
|
const st = fs.statSync(abs);
|
|
if (st.isDirectory()) walk(abs);
|
|
else if (st.isFile()) uploadCount++;
|
|
}
|
|
};
|
|
walk(paths.uploadsDir);
|
|
}
|
|
} catch (_) { /* ignore */ }
|
|
return {
|
|
...stats,
|
|
backend: await serverBackend.getActiveBackend(),
|
|
dbType: config.dbType,
|
|
components: {
|
|
env: exists(paths.env),
|
|
sessionSecret: exists(paths.sessionSecret),
|
|
consoleDb: exists(paths.consoleDb),
|
|
uploads: uploadCount,
|
|
goPrivKey: exists(paths.goPrivKey),
|
|
goPubKey: exists(paths.goPubKey),
|
|
goApiKey: exists(paths.goApiKey),
|
|
goDb: exists(paths.goDb)
|
|
}
|
|
};
|
|
}
|
|
|
|
module.exports = {
|
|
createBackup,
|
|
validateBackup,
|
|
restoreBackup,
|
|
getBackupStats,
|
|
BACKUP_FORMAT_VERSION,
|
|
createFullBackup,
|
|
restoreFullBackup,
|
|
getFullBackupStats,
|
|
validateFullBackup,
|
|
FULL_BACKUP_FORMAT,
|
|
FULL_BACKUP_VERSION
|
|
};
|