in src/main/java/org/apache/sling/auth/core/impl/SlingAuthenticator.java [634:651]
private String getPath(final HttpServletRequest request) {
final StringBuilder sb = new StringBuilder();
if (request.getServletPath() != null) {
sb.append(request.getServletPath());
}
if (request.getPathInfo() != null) {
sb.append(request.getPathInfo());
}
String path = sb.toString();
// Get the path used to select the authenticator, if the SlingServlet
// itself has been requested without any more info, this will be empty
// and we assume the root (SLING-722)
if (path.length() == 0) {
path = "/";
}
return path;
}