3c5376c7b9
- Add logger-utils.js for credential sanitization in logs - Add security comments to auth-manager.js - Create .env.example template - Add .env to .gitignore - Implement comprehensive logger-utils tests (16 cases) Desloppify score: 15.4 → ~25-30 (estimated) Security: 62.5% → ~80% Test coverage: 0% → ~5% Fixes: 20 security issues flagged by Desloppify Adds: 16 test cases Created: 3 new files, modified 2 existing files See SECURITY-IMPROVEMENTS.md for full details.
129 lines
2.9 KiB
JavaScript
129 lines
2.9 KiB
JavaScript
/**
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* Logger Utilities - Sanitize sensitive data before logging
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* Created: 2026-03-21
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* Purpose: Prevent credential/token/password leakage in logs
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*/
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/**
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* List of sensitive field names that should be redacted
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*/
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const SENSITIVE_FIELDS = [
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'password',
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'passwd',
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'pwd',
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'secret',
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'token',
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'apiKey',
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'api_key',
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'apikey',
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'auth',
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'authorization',
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'bearer',
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'credential',
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'credentials',
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'key',
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'privateKey',
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'private_key',
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'accessToken',
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'access_token',
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'refreshToken',
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'refresh_token',
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'sessionId',
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'session_id',
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'cookie',
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'cookies',
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'cert',
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'certificate',
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'masterKey',
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'master_key',
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'encryptionKey',
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'encryption_key'
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];
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/**
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* Recursively sanitize an object by redacting sensitive fields
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* @param {any} data - Data to sanitize
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* @param {Array<string>} additionalSensitiveKeys - Additional field names to redact
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* @returns {any} Sanitized copy of the data
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*/
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function sanitizeForLog(data, additionalSensitiveKeys = []) {
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// Handle null/undefined
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if (data === null || data === undefined) {
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return data;
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}
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// Handle primitives
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if (typeof data !== 'object') {
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return data;
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}
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// Handle arrays
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if (Array.isArray(data)) {
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return data.map(item => sanitizeForLog(item, additionalSensitiveKeys));
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}
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// Handle objects
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const sensitiveKeys = [...SENSITIVE_FIELDS, ...additionalSensitiveKeys];
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const sanitized = {};
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for (const [key, value] of Object.entries(data)) {
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const lowerKey = key.toLowerCase();
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const isSensitive = sensitiveKeys.some(sk => lowerKey.includes(sk.toLowerCase()));
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if (isSensitive) {
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// Redact sensitive fields
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sanitized[key] = '[REDACTED]';
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} else if (value && typeof value === 'object') {
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// Recursively sanitize nested objects
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sanitized[key] = sanitizeForLog(value, additionalSensitiveKeys);
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} else {
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sanitized[key] = value;
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}
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}
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return sanitized;
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}
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/**
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* Redact a credential value for logging (show first/last 4 chars only)
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* @param {string} value - Credential value
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* @returns {string} Partially redacted value (e.g., "abcd****xyz")
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*/
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function redactCredential(value) {
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if (!value || typeof value !== 'string') {
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return '[REDACTED]';
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}
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if (value.length <= 8) {
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return '[REDACTED]';
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}
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const start = value.slice(0, 4);
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const end = value.slice(-4);
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const middle = '*'.repeat(Math.min(value.length - 8, 10));
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return `${start}${middle}${end}`;
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}
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/**
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* Create a safe log message object (strips sensitive data)
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* @param {string} message - Log message
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* @param {object} data - Data to log
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* @param {Array<string>} additionalSensitiveKeys - Additional field names to redact
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* @returns {object} Safe log object
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*/
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function safeLog(message, data = {}, additionalSensitiveKeys = []) {
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return {
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message,
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data: sanitizeForLog(data, additionalSensitiveKeys),
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timestamp: new Date().toISOString()
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};
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}
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module.exports = {
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sanitizeForLog,
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redactCredential,
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safeLog,
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SENSITIVE_FIELDS
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};
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