freenetis-github/application/helpers/download.php @ master
| 8baed187 | Michal Kliment | <?php defined('SYSPATH') or die('No direct script access.');
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/**
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* Download helper class.
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*
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* $Id: download.php 1725 2008-01-17 16:38:59Z PugFish $
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*
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* @package Download Helper
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class download {
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/**
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* Force a download of a file to the user's browser. This function is
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* binary-safe and will work with any MIME type that Kohana is aware of.
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*
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* @param string a file path or file name
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* @param mixed data to be sent if the filename does not exist
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* @return void
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*/
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public static function force($filename = '', $data = '')
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{
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static $user_agent;
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if ($filename == '')
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return FALSE;
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if (is_file($filename))
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{
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// Get the real path
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$filepath = str_replace('\\', '/', realpath($filename));
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// Get extension
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$extension = pathinfo($filepath, PATHINFO_EXTENSION);
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// Remove directory path from the filename
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$filename = end(explode('/', $filepath));
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// Set filesize
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$filesize = filesize($filepath);
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}
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else
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{
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// Grab the file extension
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$extension = end(explode('.', $filename));
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// Try to determine if the filename includes a file extension.
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// We need it in order to set the MIME type
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if (empty($data) OR $extension === $filename)
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return FALSE;
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// Set filesize
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$filesize = strlen($data);
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}
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$mime = 'application/octet-stream';
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| c1bdc1c4 | Michal Kliment | ||
if (text::ends_with(mb_strtolower($filename), '.jpg') ||
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text::ends_with(mb_strtolower($filename), '.jpeg'))
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{
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$mine = 'image/jpeg';
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}
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else if (text::ends_with(mb_strtolower($filename), '.png'))
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{
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$mine = 'image/png';
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}
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else if (text::ends_with(mb_strtolower($filename), '.gif'))
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{
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$mine = 'image/gif';
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}
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| 8baed187 | Michal Kliment | ||
// Generate the server headers
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| c1bdc1c4 | Michal Kliment | @header('Content-Description: File Transfer');
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| 8baed187 | Michal Kliment | @header('Content-Type: '.$mime);
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@header('Content-Disposition: attachment; filename="'.$filename.'"');
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@header('Content-Transfer-Encoding: binary');
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@header('Expires: 0');
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@header('Content-Length: '.$filesize);
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@header('Pragma: no-cache');
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if (isset($filepath))
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{
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// Open the file
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$handle = fopen($filepath, 'rb');
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// Send the file data
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fpassthru($handle);
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// Close the file
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fclose($handle);
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}
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else
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{
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// Send the file data
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echo $data;
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}
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}
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} // End download
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