Function httpRequestToRequestData

packages/core/src/utils/request.ts:198–243

(request: {
  method?: string;
  url?: string;
  headers?: {
    [key: string]: string | string[] | undefined;
  };
  protocol?: string;
  socket?: {
    encrypted?: boolean;
    remoteAddress?: string;
  };
})

 * we want to be more specific and generally require a http.IncomingMessage-like object.
 */
export function httpRequestToRequestData(request: {
  method?: string;
  url?: string;
  headers?: {
    [key: string]: string | string[] | undefined;
  };
  protocol?: string;
  socket?: {
    encrypted?: boolean;
    remoteAddress?: string;
  };
}): RequestEventData {
  const headers = request.headers || {};

  // Check for x-forwarded-host first, then fall back to host header
  const forwardedHost = typeof headers['x-forwarded-host'] === 'string' ? headers['x-forwarded-host'] : undefined;
  const host = forwardedHost || (typeof headers.host === 'string' ? headers.host : undefined);

  // Check for x-forwarded-proto first, then fall back to existing protocol detection
  const forwardedProto = typeof headers['x-forwarded-proto'] === 'string' ? headers['x-forwarded-proto'] : undefined;
  const protocol = forwardedProto || request.protocol || (request.socket?.encrypted ? 'https' : 'http');

  const url = request.url || '';

  const absoluteUrl = getAbsoluteUrl({
    url,
    host,
    protocol,
  });

  // This is non-standard, but may be sometimes set
  // It may be overwritten later by our own body handling
  const data = (request as PolymorphicRequest).body || undefined;

  // This is non-standard, but may be set on e.g. Next.js or Express requests
  const cookies = (request as PolymorphicRequest).cookies;

  return {
    url: absoluteUrl,
    method: request.method,
    query_string: extractQueryParamsFromUrl(url),
    headers: headersToDict(headers),
    cookies,
    data,
  };
}

function getAbsoluteUrl({
  url,