<?php
// vim: set tabstop=2 softtabstop=2 expandtab shiftwidth=2 :
// This script is in the public domain.
// Original author is Ari Pollak <ari@ccs.neu.edu>

$AuthFunction = "ImprovedBasicAuth";

function ImprovedBasicAuth($pagename,$level,$authprompt=true) {
  global $AllowEditFrom,$DenyEditFrom;
  if ($level == "edit" || $level == "post") {
    if(is_array($AllowEditFrom))
      foreach ($AllowEditFrom as $re)
		    if( preg_match("/^$re$/i", $_SERVER['REMOTE_ADDR']) )
          return BasicAuth($pagename,$level,$authprompt);

    if(is_array($DenyEditFrom))
      foreach ($DenyEditFrom as $re)
        if( preg_match("/^$re$/i", $_SERVER['REMOTE_ADDR']) )
          return false;
  }

  return BasicAuth($pagename,$level,$authprompt);
}
?>