whodis-mcp-server
Version:
Whodis MCP Server for checking the availability of domain names using WHOIS lookups.
148 lines (147 loc) • 6.14 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.config = void 0;
const fs_1 = __importDefault(require("fs"));
const path_1 = __importDefault(require("path"));
const logger_util_js_1 = require("./logger.util.js");
const dotenv_1 = __importDefault(require("dotenv"));
const os_1 = __importDefault(require("os"));
const constants_util_js_1 = require("./constants.util.js"); // Import the constant
/**
* Configuration loader that handles multiple sources with priority:
* 1. Direct ENV pass (process.env)
* 2. .env file in project root
* 3. Global config file at $HOME/.mcp/configs.json
*/
class ConfigLoader {
/**
* Create a new ConfigLoader instance
* @param packageName The package name to use for global config lookup
*/
constructor(packageName) {
this.configLoaded = false;
this.packageName = packageName;
}
/**
* Load configuration from all sources with proper priority
*/
load() {
const methodLogger = logger_util_js_1.Logger.forContext('utils/config.util.ts', 'load');
if (this.configLoaded) {
methodLogger.debug('Configuration already loaded, skipping');
return;
}
methodLogger.debug('Loading configuration...');
// Priority 3: Load from global config file
this.loadFromGlobalConfig();
// Priority 2: Load from .env file
this.loadFromEnvFile();
// Priority 1: Direct ENV pass is already in process.env
// No need to do anything as it already has highest priority
this.configLoaded = true;
methodLogger.debug('Configuration loaded successfully');
}
/**
* Load configuration from .env file in project root
*/
loadFromEnvFile() {
const methodLogger = logger_util_js_1.Logger.forContext('utils/config.util.ts', 'loadFromEnvFile');
try {
// Use dotenv.config({ path: path.resolve(process.cwd(), '.env') }) for robustness
const result = dotenv_1.default.config({
path: path_1.default.resolve(process.cwd(), '.env'),
});
if (result.error) {
// It's okay if .env doesn't exist
if (result.error.code !== 'ENOENT') {
methodLogger.warn(`Error reading .env file: ${result.error.message}`);
}
else {
methodLogger.debug('No .env file found.');
}
return;
}
if (result.parsed && Object.keys(result.parsed).length > 0) {
methodLogger.debug('Loaded configuration from .env file');
}
else {
methodLogger.debug('.env file found but is empty or only contains comments.');
}
}
catch (error) {
methodLogger.error('Error processing .env file', error);
}
}
/**
* Load configuration from global config file at $HOME/.mcp/configs.json
*/
loadFromGlobalConfig() {
const methodLogger = logger_util_js_1.Logger.forContext('utils/config.util.ts', 'loadFromGlobalConfig');
try {
const homedir = os_1.default.homedir();
const globalConfigPath = path_1.default.join(homedir, '.mcp', 'configs.json');
if (!fs_1.default.existsSync(globalConfigPath)) {
methodLogger.debug('Global config file not found');
return;
}
const configContent = fs_1.default.readFileSync(globalConfigPath, 'utf8');
const config = JSON.parse(configContent);
if (!config[this.packageName] ||
!config[this.packageName].environments) {
methodLogger.debug(`No configuration found for ${this.packageName} in global config`);
return;
}
const environments = config[this.packageName].environments;
let loadedCount = 0;
for (const [key, value] of Object.entries(environments)) {
// Only set if not already defined in process.env (respecting higher priority)
if (process.env[key] === undefined) {
process.env[key] = String(value);
loadedCount++;
}
}
if (loadedCount > 0) {
methodLogger.debug(`Loaded ${loadedCount} variable(s) from global config file for ${this.packageName}`);
}
else {
methodLogger.debug(`Global config found for ${this.packageName}, but all variables were already set by higher priority sources.`);
}
}
catch (error) {
methodLogger.error('Error loading global config file', error);
}
}
/**
* Get a configuration value
* @param key The configuration key
* @param defaultValue The default value if the key is not found
* @returns The configuration value or the default value
*/
get(key, defaultValue) {
return process.env[key] ?? defaultValue;
}
/**
* Get a boolean configuration value
* @param key The configuration key
* @param defaultValue The default value if the key is not found
* @returns The boolean configuration value or the default value
*/
getBoolean(key, defaultValue = false) {
const value = this.get(key);
if (value === undefined || value === null) {
return defaultValue;
}
// Explicitly check for 'false', '0', empty string as false, otherwise treat as true
const lowerValue = value.trim().toLowerCase();
if (lowerValue === 'false' || lowerValue === '0' || lowerValue === '') {
return false;
}
// Any other non-empty value is considered true
return true;
}
}
// Create and export a singleton instance using the package name constant
exports.config = new ConfigLoader(constants_util_js_1.PACKAGE_NAME);