Function getRemoteIPFromRequest

lib/utilities/serverAccessLogger.js:182–208

(request)

}

function getRemoteIPFromRequest(request) {
    let remoteIP = null;
    if (request.headers) {
        // Check for forwarded IP headers (proxy/load balancer scenarios)
        const headerRemoteIP = request.headers['x-forwarded-for'] ||
            request.headers['x-real-ip'] ||
            request.headers['x-client-ip'] ||
            request.headers['cf-connecting-ip']; // Cloudflare

        // x-forwarded-for can contain multiple IPs, take the first one
        if (headerRemoteIP) {
            remoteIP = headerRemoteIP.includes(',') ? headerRemoteIP.split(',')[0].trim() : headerRemoteIP;
        }
    }

    // Fallback to connection remote address if no forwarded headers
    if (!remoteIP) {
        const connIP = (request.connection && request.connection.remoteAddress) ||
            (request.socket && request.socket.remoteAddress) ||
            (request.ip);
        if (connIP) {
            remoteIP = connIP;
        }
    }

    return remoteIP;
}

// eslint-disable-next-line max-len
// https://github.com/awslabs/glue-extensions-for-iceberg/blob/52bdb2908216a85859fd76a45981d0326d016a2f/spark/src/main/scala/software/amazon/glue/s3a/audit/S3LogVerbs.java