Files
minisrv/zefie_wtvp_minisrv/tools/update_user_data_key.js
2026-05-03 14:51:59 -04:00

257 lines
8.0 KiB
JavaScript

#!/usr/bin/env node
'use strict';
const fs = require('fs');
const path = require('path');
const CryptoJS = require('crypto-js');
const ROOT_DIR = path.resolve(__dirname, '..');
const DEFAULT_CONFIG_PATH = path.join(ROOT_DIR, 'includes', 'config.json');
const USER_CONFIG_PATH = path.join(ROOT_DIR, 'user_config.json');
function parseJsonWithComments(json) {
if (typeof json !== 'string') json = json ? json.toString() : '';
let result = '';
let i = 0;
let isString = false;
let isEscape = false;
let isBlockComment = false;
let isLineComment = false;
while (i < json.length) {
const char = json[i];
const nextChar = json[i + 1];
if (!isString && !isEscape && char === '/' && nextChar === '*') {
isBlockComment = true;
i += 1;
} else if (isBlockComment && char === '*' && nextChar === '/') {
isBlockComment = false;
i += 1;
} else if (!isString && !isEscape && char === '/' && nextChar === '/') {
isLineComment = true;
i += 1;
} else if (isLineComment && (char === '\n' || char === '\r')) {
isLineComment = false;
} else if (!isBlockComment && !isLineComment) {
if (char === '"' && !isEscape) {
isString = !isString;
}
isEscape = char === '\\' && !isEscape;
result += char;
}
i += 1;
}
return JSON.parse(result);
}
function readJsonWithComments(filePath, required) {
if (!fs.existsSync(filePath)) {
if (required) throw new Error(`Required file not found: ${filePath}`);
return {};
}
const raw = fs.readFileSync(filePath, 'utf8');
return parseJsonWithComments(raw);
}
function integrateConfig(main, user) {
const out = Array.isArray(main) ? main.slice() : { ...main };
for (const key of Object.keys(user || {})) {
const userVal = user[key];
if (userVal && typeof userVal === 'object' && !Array.isArray(userVal)) {
out[key] = integrateConfig(out[key] || {}, userVal);
} else {
out[key] = userVal;
}
}
return out;
}
function isAbsoluteLike(p) {
return /^(?:[a-zA-Z]:)?[\\/]/.test(p);
}
function resolveFromRoot(p) {
if (isAbsoluteLike(p)) return path.normalize(p);
return path.resolve(ROOT_DIR, p);
}
function listUserJsonFiles(accountsRoot) {
const files = [];
function walk(dir) {
const entries = fs.readdirSync(dir, { withFileTypes: true });
for (const entry of entries) {
const fullPath = path.join(dir, entry.name);
if (entry.isDirectory()) {
walk(fullPath);
continue;
}
if (/^user\d+\.json$/i.test(entry.name)) {
files.push(fullPath);
}
}
}
if (fs.existsSync(accountsRoot)) walk(accountsRoot);
return files;
}
function decryptWithKey(value, key) {
return CryptoJS.AES.decrypt(value, key).toString(CryptoJS.enc.Utf8);
}
function encryptWithKey(value, key) {
return CryptoJS.AES.encrypt(value, key).toString();
}
function isPrintableAndSane(str) {
if (typeof str !== 'string') return false;
if (str.length === 0 || str.length > 512) return false;
if (str.includes('\uFFFD')) return false;
if (/[\u0000-\u0008\u000B\u000C\u000E-\u001F\u007F-\u009F]/.test(str)) return false;
return true;
}
function isSaneDecryptedValue(fieldName, decrypted) {
if (!isPrintableAndSane(decrypted)) return false;
if (fieldName === 'subscriber_password') {
const isSha512Hex = /^[a-f0-9]{128}$/i.test(decrypted);
if (isSha512Hex) return true;
return decrypted.length <= 128;
}
return true;
}
function hasNestedKey(obj, pathParts) {
let cur = obj;
for (const part of pathParts) {
if (!cur || typeof cur !== 'object' || !Object.prototype.hasOwnProperty.call(cur, part)) return false;
cur = cur[part];
}
return true;
}
function parseArgs() {
const args = process.argv.slice(2);
let oldKey = null;
for (let i = 0; i < args.length; i += 1) {
if (args[i] === '--oldkey' && args[i + 1]) {
oldKey = args[i + 1];
i += 1;
} else if (args[i].startsWith('--oldkey=')) {
oldKey = args[i].slice('--oldkey='.length);
}
}
return { oldKey };
}
function main() {
const { oldKey } = parseArgs();
const defaultConfig = readJsonWithComments(DEFAULT_CONFIG_PATH, true);
const userConfig = readJsonWithComments(USER_CONFIG_PATH, false);
const defaultKey = oldKey ||
(defaultConfig && defaultConfig.config && defaultConfig.config.keys
? defaultConfig.config.keys.user_data_key
: null);
const userHasKey = hasNestedKey(userConfig, ['config', 'keys', 'user_data_key']);
const userKey = userHasKey ? userConfig.config.keys.user_data_key : null;
if (oldKey) {
console.log(`Using provided --oldkey for decryption.`);
}
if (!defaultKey || typeof defaultKey !== 'string') {
throw new Error('Default config key config.keys.user_data_key is missing or invalid.');
}
if (!userHasKey) {
console.log('No config.keys.user_data_key found in user_config.json. Nothing to migrate.');
return;
}
if (typeof userKey !== 'string' || userKey.length === 0) {
throw new Error('user_config.json config.keys.user_data_key is invalid.');
}
if (userKey === defaultKey) {
console.log('user_config.json key matches the default key. Nothing to migrate.');
return;
}
const mergedConfig = integrateConfig(defaultConfig, userConfig);
const sessionStore = mergedConfig && mergedConfig.config ? mergedConfig.config.SessionStore : null;
if (!sessionStore || typeof sessionStore !== 'string') {
throw new Error('config.SessionStore is missing or invalid.');
}
const accountsRoot = path.join(resolveFromRoot(sessionStore), 'accounts');
const userFiles = listUserJsonFiles(accountsRoot);
if (userFiles.length === 0) {
console.log(`No user account files found in ${accountsRoot}. Nothing to migrate.`);
return;
}
const writableUpdates = [];
let touchedPasswordFields = 0;
for (const userFile of userFiles) {
let accountData;
try {
accountData = JSON.parse(fs.readFileSync(userFile, 'utf8'));
} catch (error) {
throw new Error(`Failed to parse account file ${userFile}: ${error.message}`);
}
let fileChanged = false;
for (const fieldName of ['subscriber_password', 'subscriber_smtp_password']) {
const encryptedValue = accountData[fieldName];
if (encryptedValue === null || typeof encryptedValue === 'undefined') continue;
if (typeof encryptedValue !== 'string') {
throw new Error(`Suspicious ${fieldName} value in ${userFile}: expected string/null.`);
}
if (encryptedValue.length === 0) continue;
const decryptedValue = decryptWithKey(encryptedValue, defaultKey);
if (!isSaneDecryptedValue(fieldName, decryptedValue)) {
throw new Error(
`Aborting: decrypted ${fieldName} in ${userFile} appears invalid/binary. No files were updated.\n` +
`If you previously used a different key, re-run with: --oldkey "<your previous key>"`
);
}
accountData[fieldName] = encryptWithKey(decryptedValue, userKey);
fileChanged = true;
touchedPasswordFields += 1;
}
if (fileChanged) {
writableUpdates.push({ filePath: userFile, accountData });
}
}
for (const update of writableUpdates) {
fs.writeFileSync(update.filePath, JSON.stringify(update.accountData), 'utf8');
}
console.log(`Migrated ${touchedPasswordFields} encrypted password field(s) across ${writableUpdates.length} account file(s).`);
}
try {
main();
} catch (error) {
console.error(error.message || error);
process.exit(1);
}