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fix(security): redact secrets from config startup log (CWE-532) #391

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fix(security): redact secrets from config startup log (CWE-532) #391

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36 changes: 34 additions & 2 deletions config/config.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,39 @@ const envConf = require(path.resolve(__dirname + "/../config/env/" + finalEnv.to

const config = { ...allConf, ...envConf };

console.log(`Current Config:`);
console.log(util.inspect(config, false, null));
function redactMongoConnectionString(uri) {
if (typeof uri !== "string" || !uri) {
return uri;
}
try {
const parsed = new URL(uri);
if (parsed.username || parsed.password) {
parsed.username = "***";
parsed.password = "***";
}
return parsed.toString();
} catch (e) {
return "[redacted-db-uri]";
}
}

function sanitizeConfigForLog(cfg) {
const sanitized = { ...cfg };
if (Object.prototype.hasOwnProperty.call(sanitized, "cookieSecret")) {
sanitized.cookieSecret = "[redacted]";
}
if (Object.prototype.hasOwnProperty.call(sanitized, "cryptoKey")) {
sanitized.cryptoKey = "[redacted]";
}
if (Object.prototype.hasOwnProperty.call(sanitized, "db")) {
sanitized.db = redactMongoConnectionString(sanitized.db);
}
return sanitized;
}

if (process.env.NODE_ENV === "development" && process.env.DEBUG_CONFIG) {
console.log("Current Config:");
console.log(util.inspect(sanitizeConfigForLog(config), false, null));
}

module.exports = config;