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mask additional sensitive fields in logger #109

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mask additional sensitive fields in logger #109

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15 changes: 14 additions & 1 deletion lib/logger.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,20 @@ const { combine, timestamp, label, printf } = format;
require('winston-daily-rotate-file');
var config = require('./config').config;

var sensitiveFields = ['cardCode', 'cardNumber', 'expirationDate', 'accountNumber', 'nameOnAccount', 'transactionKey', 'email', 'phoneNumber', 'faxNumber', 'dateOfBirth'];
var sensitiveFields = [
// Payment card fields
'cardCode', 'cardNumber', 'expirationDate', 'accountNumber', 'nameOnAccount',
// Authentication credentials
'transactionKey', 'name', 'sessionToken', 'password', 'clientKey', 'accessToken',
// Personal information
'email', 'phoneNumber', 'faxNumber', 'dateOfBirth',
// Banking fields (eCheck)
'routingNumber',
// Magnetic stripe data (PCI-DSS SAD)
'track1', 'track2',
// Tokenization and 3D-Secure authentication
'cardholderAuthenticationValue', 'authenticationIndicator', 'dataValue', 'cryptogram'
];

const maskedLoggingFormat = printf(({ level, message, label, timestamp }) => {
if (isJson(message)) {
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