Function getRequester

lib/utilities/serverAccessLogger.js:344–363

(authInfo)

const assumedRoleArnRegex = /^arn:aws:sts::[0-9]{12}:assumed-role\/\S+$/;

function getRequester(authInfo) {
    const requester = null;
    if (authInfo) {
        const arn = authInfo.getArn ? authInfo.getArn() : null;
        if (authInfo.isRequesterPublicUser && authInfo.isRequesterPublicUser()) {
            return requester; // Unauthenticated requests
        } else if (arn && assumedRoleArnRegex.test(arn)) {
            return arn;
        } else if (authInfo.isRequesterAnIAMUser && authInfo.isRequesterAnIAMUser()) {
            // IAM user: emit the IAM ARN (arn:aws:iam::<accountId>:user/<userName>)
            // to match the AWS S3 server access log format. Fall back to the
            // canonical ID if the ARN is unexpectedly absent.
            return arn || authInfo.getCanonicalID();
        } else if (authInfo.getCanonicalID) {
            // Regular user: canonical user ID
            return authInfo.getCanonicalID();
        }
    }
    return requester;
}

function getURI(request) {
    let requestURI = null;