Friday, January 13, 2012

Downloading file is corrupted - header


I have be trying to figure out what is wrong but every time i download the image and try to open it, it says that the file is corrupt.



$h is the path which is pulled from the database, the $h displays the image on the page successfully but I dont get why it wont download. Any ideas ??




header("Pragma: public"); // required
header("Cache-Control: private",false); // required for certain browsers
header('Content-Length: '. filesize("../".$h));
header('Content-Type: application/octet-stream');
header('Content-Disposition: inline; filename="'.md5($h).$ext.'"');
header('Content-Transfer-Encoding:binary');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');

readfile("../".$h);

2 comments:

  1. Try this:

    $localPath = realpath("../$h");
    if (!file_exists($localPath)) {
    exit("Cannot find file located at '$localPath'");
    }

    header('Pragma: public'); // required
    header('Content-Length: '.filesize($localPath));
    header('Content-Type: application/octet-stream');
    header('Content-Disposition: attachment; filename="'.md5($localPath).'.'.$ext.'"');
    header('Content-Transfer-Encoding: binary');
    header('Cache-Control: must-revalidate, post-check=0, pre-check=0', false);
    header('Cache-Control: private', false); // required for certain browsers

    readfile($localPath);
    exit;

    ReplyDelete
  2. Maybe try to add the following 2 commands before your readfile line.

    ob_clean();
    flush();
    readfile($file);


    These lines were in the example for the PHP docs on readfile.

    ReplyDelete