<?php

$file_source = 'http://user:passwort@www.domain.com/blabla/video.mov';

$size = remote_filesize($file_source,"","");

function remote_filesize($url, $user = "", $pw = "") {
   ob_start();
   $ch = curl_init($url);
   curl_setopt($ch, CURLOPT_HEADER, 1);
   curl_setopt($ch, CURLOPT_NOBODY, 1);
   if(!empty($user) && !empty($pw)) {
       $headers = array('Authorization: Basic ' . base64_encode("$user:$pw"));
       curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
   }
   $ok = curl_exec($ch);
   curl_close($ch);
   $head = ob_get_contents();
   ob_end_clean();
   $regex = '/Content-Length:\s([0-9].+?)\s/';
   $count = preg_match($regex, $head, $matches);

   return isset($matches[1]) ? $matches[1] : "unknown";
}

// send the right headers
  header('Pragma: public');
  header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
  header('Cache-Control: must-revalidate, pre-check=0, post-check=0, max-age=0');
  header('Content-Transfer-Encoding: none');

$fotpos = strrpos($rpage, ".");
if ($fotpos > 1) {
$file_ext = substr($rpage, $fotpos+1);
}
   if ( !strcasecmp($file_ext, "GIF") ) {
      header("Content-type: image/gif");
   }
   else if ( !strcasecmp($file_ext, "JPG") ) {
      header("Content-type: image/jpeg");
   }
   else if ( !strcasecmp($file_ext, "PNG") ) {
      header("Content-type: image/png");
   }
   else if ( !strcasecmp($file_ext, "WAV") ) {
      header("Content-type: audio/x-wav");
   }
   else if ( !strcasecmp($file_ext, "MP3") ) {
      header("Content-type: audio/mpeg");
   }
   else if ( !strcasecmp($file_ext, "MPG") ) {
      header("Content-type: video/mpeg");
   }
   else if ( !strcasecmp($file_ext, "MOV") ) {
      header("Content-type: video/quicktime");
      header("Content-Length: " . $size);
   }
   else if ( !strcasecmp($file_ext, "AVI") ) {
      header("Content-type: video/x-msvideo");
   }
   else {
      header("Content-type: application/octet-stream");
      header("Content-Disposition: filename=\"$binary_filename\"");
   }

echo file_get_contents($file_source);
?>