Forzare browser: header Content-Disposition

[lubra]

Grazie, alcune considerazioni:

1 - alla pagina http://www.ellissinelcerchio.net/musica.html cliccando ad esempio sul link http://www.opkitchen.org/click.php4?...terferenze.ogg si passa attraverso il contatore (click.php4) installato su www.opkitchen.org. L'url che fa incrementare il contatore in questo caso è: http://www.ellissinelcerchio.net/dow...terferenze.ogg

2 - se inserisco e richiamo la funzione forceDownload nel file click.php4 devo a questo punto eliminare, sempre dal file click.php4, Header("Location: $url");

Questo è il codice originale di click.php4

<?php
  /**
   * tClick v 0.93 beta
   * Copyright 2001 Stephen G. Walizer aka Technomancer all rights reserved.
   * This software is licensed under the GNU GPL. See the file GPL or
   * [url]http://www.gnu.org[/url] for details.
   **/
  
  Header("Location: $url");

  // MySQL database information
  $host = '60.150.149.40';
  $username = 'username';
  $password = 'password';
  $database = 'db1';
  $clicktable = 'clicktable';
  $categorytable = 'categorytable';
  $autoaddurl = 'N';


  $con = mysql_connect($host, $username, $password);
  $result = mysql_db_query($database, "SELECT clicks FROM $clicktable WHERE url='$url'");
  if($row = mysql_fetch_array($result)) {
    $value = $row['clicks'];
    $value++;
    $query = "UPDATE $clicktable SET clicks=$value WHERE url='$url'";
    mysql_db_query($database, $query);
  } else {
    if($autoadd == 'Y') {
      $query = "INSERT INTO $clicktable (id, url, clicks, deleted) VALUES (NULL, '$url', 1, 'N')";
      mysql_db_query($database, $query);
    }   
  }
  mysql_close($con);
?>

Questo è il codice modificato con l'inserimento della funzione forceDownload:

<?php
  /**
   * tClick v 0.93 beta
   * Copyright 2001 Stephen G. Walizer aka Technomancer all rights reserved.
   * This software is licensed under the GNU GPL. See the file GPL or
   * [url]http://www.gnu.org[/url] for details.
   **/
  
  function forceDownload( &$file ) { 
/**
* Function forceDownload:
* download any type of file if it exists and is readable
* -------------------------------------
* @author Andrea Giammarchi
* @date 18/01/2005
* @compatibility PHP >= 4.3.0
*/ 
if( file_exists( $file ) == true && is_readable( $file ) == true ) { 
$filename = &basename( $file ); 
if( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) { 
$parsename = &explode( '.', $filename ); 
$last = count( $parsename ) - 1; 
$filename = &implode( '%2E', array_slice( $parsename, 0, $last ) ); 
$filename .= '.'.$parsename[$last]; 
} 
$content = &file_get_contents( $file ); 
header( 'Content-Type: application/octet-stream' ); 
header( 'Content-Disposition: attachment; filename='.$filename ); 
header( 'Content-Length:'.strlen( $content ) ); 
header( 'Content-Transfer-Encoding: binary' ); 
echo $content; 
exit(0); 
} 
}

forceDownload($file); 

  // MySQL database information
  $host = '60.150.149.40';
  $username = 'username';
  $password = 'password';
  $database = 'db1';
  $clicktable = 'clicktable';
  $categorytable = 'categorytable';
  $autoaddurl = 'N';


  $con = mysql_connect($host, $username, $password);
  $result = mysql_db_query($database, "SELECT clicks FROM $clicktable WHERE url='$url'");
  if($row = mysql_fetch_array($result)) {
    $value = $row['clicks'];
    $value++;
    $query = "UPDATE $clicktable SET clicks=$value WHERE url='$url'";
    mysql_db_query($database, $query);
  } else {
    if($autoadd == 'Y') {
      $query = "INSERT INTO $clicktable (id, url, clicks, deleted) VALUES (NULL, '$url', 1, 'N')";
      mysql_db_query($database, $query);
    }   
  }
  mysql_close($con);
?>

3 - poichè "Location" non trasmette solo un header al browser, ma anche un redirect, se lo elimino come può funzionare il counter?

Grazie
ciao
luca