Renaming Download File Using Header in PHP

Question

i have a link pointing to a music file on my site, now the name of the file was hashed when it was uploaded so i want to use the original filename which i have stored in my database, I did some research and found this new 'download' attribute for the 'a' tag but that only works in later versions of firefox and chrome, it doesn't work in ie and also doesn't work with the download manager i use so i checked online and found out about headers which i then implemented. I now get the filename changed allright but the music file keeps on getting saved as a '11.35kb' filesize no matter the music file i try to download. This is my code:

if (isset($_REQUEST['download']))
    {
        $download_id = $_REQUEST['download'];

        $db = new MysqliDatabase(ConnectionString);
        $result = array();
        $result = $db->query_one("SELECT TrackID, ma.ArtisteName, FeaturedArtistes, 
                                  mc.Category, TrackName
                                  FROM `musictracks` mt

                                  LEFT JOIN `musiccategories` mc 
                                  ON mt.CategoryID = mc.CategoryID

                                  LEFT JOIN `musicartistes` ma
                                  ON mt.ArtisteID = ma.ArtisteID

                                  WHERE mt.TrackID = '$download_id';");

        $filename = $result->TrackPath;
        $outputfilename = $result->ArtisteName . ' ft. ' . $result->FeaturedArtistes . ' - ' . $result->TrackName . '.mp3';

        header("Content-Type:  audio/mpeg");
        header("Content-Disposition:  attachment; filename=\"" . basename($outputfilename) . "\";" );
        header("Content-Transfer-Encoding:  binary");
        readfile("$filename");
    }

And this is the download link:

<a href="<?php echo 'musicdownload.php?download='. $row->TrackID ?>" ><img src="images/download.png" alt="download" title="download" width="14" height="14" /></a>

Put some mp3 file on server and try it download directly - maybe there is some problem with server. And check your $filename - maybe it is not what you expect. — furas
– furas, Commented Jun 24, 2013 at 12:27
It is saved as a music file but when i try playing it it doesn't work. — Blank EDjok
– Blank EDjok, Commented Jun 24, 2013 at 12:28
Open this file in notepad - maybe inside is text/html with error message — furas
– furas, Commented Jun 24, 2013 at 12:29
So read it - change .mp3 to .html and open in browser. Probably there is error message — furas
– furas, Commented Jun 24, 2013 at 12:35

Jonas Schubert Erlandsson · Accepted Answer · 2013-06-24 13:32:31Z

My PHP is a bit rusty but I can think of one thing with your code, no content length header. Update your code to this and see if that works:

if (isset($_REQUEST['download'])) {
  {
    $download_id = $_REQUEST['download'];

    // ...

    $filename = $result->TrackPath;
    $outputfilename = $result->ArtisteName . ' ft. ' . $result->FeaturedArtistes . ' - ' . $result->TrackName . '.mp3';

    if (file_exists($filename)) {
      header("Content-Type:  audio/mpeg");
      header("Content-Disposition:  attachment; filename=\"" . basename($outputfilename) . "\";" );
      header("Content-Transfer-Encoding:  binary");

      header('Content-Length: ' . filesize($filename));
      ob_clean();
      flush();
      readfile($filename);
      exit;
    }
  }
}

Note that we use flush(); to send the headers to the browser before we start downloading the actual file. And I also added an if (file_exists($filename)) to make sure we have a file to send. I'd recommend you put an else clause there to give you something that will show you if you don't have a file like you expect...

Bhargav Sarvepalli · Accepted Answer · 2013-08-05 12:17:04Z

0

header("Content-Type: application/force-download"); header("Content-Type:audio/mpeg"); header("Content-Type: application/download");; header("Content-Disposition: attachment;filename=".$file_name);

answered Aug 5, 2013 at 12:17

Bhargav Sarvepalli

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Comments

Prashant Parekh · Accepted Answer · 2013-08-05 12:26:03Z

0

Please download your mp3 files using curl

Here is sample code for your reference

<?php

if(isset($_REQUEST['inputurl']) && $_REQUEST['inputurl']!="") {

$file = $_REQUEST['inputurl']; 

header("Content-type: application/x-file-to-save"); 
header("Content-Disposition: attachment; filename=".basename($file)); 
readfile($file); 

}

?>

<form name="from" method="post" action="">
<input name="inputurl" type="text" id="inputurl"  value="" />
<input type="submit" name="Button1" value="Get File" id="Button1" />
</form>

may be it will help you.

answered Aug 5, 2013 at 12:26

Prashant Parekh

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