Function shouldRemoveHeader

lib/handler/redirect-handler.js:178–193

(header, removeContent, unknownOrigin, stripHeaders, stripHeadersOnCrossOrigin)

// https://tools.ietf.org/html/rfc7231#section-6.4.4
function shouldRemoveHeader (header, removeContent, unknownOrigin, stripHeaders, stripHeadersOnCrossOrigin) {
  const name = util.headerNameToString(header)
  if (name === 'host') {
    return true
  }
  if (stripHeaders?.has(name) || (unknownOrigin && stripHeadersOnCrossOrigin?.has(name))) {
    return true
  }
  if (removeContent && name.startsWith('content-')) {
    return true
  }
  if (unknownOrigin) {
    return name === 'authorization' || name === 'cookie' || name === 'proxy-authorization'
  }
  return false
}

// https://tools.ietf.org/html/rfc7231#section-6.4
function normalizeStripHeaders (headers, optionName) {