static function DownloadFile($filename, $display_name, $ext = "")
{
// TODO: We need a much better piece of code for downloading files here
// it will end up being used for large attachments etc so needs to work with big files!
if ($ext == "") {
$ext = pathinfo($display_name, PATHINFO_EXTENSION);
}
$ctype = FSS_Helper::datei_mime($ext);
ob_end_clean();
while (ob_get_level() > 0) {
ob_end_clean();
}
ini_set('zlib.output_compression', 'Off');
ini_set('output_buffering', 'Off');
ini_set('output_handler', '');
if (function_exists("apache_setenv")) {
apache_setenv('no-gzip', 1);
}
require_once JPATH_SITE . DS . 'components' . DS . 'com_fss' . DS . 'helper' . DS . 'bigfiletools.php';
$f = BigFileTools::fromPath($filename);
$file_size = $f->getSize();
header("Pragma: no-cache");
header("Expires: -1");
header("Cache-Control: public, must-revalidate, post-check=0, pre-check=0");
header("Content-Type: " . $ctype);
header("Content-Disposition: attachment; filename=\"{$display_name}\"");
//check if http_range is sent by browser (or download manager)
if (isset($_SERVER['HTTP_RANGE'])) {
list($size_unit, $range_orig) = explode('=', $_SERVER['HTTP_RANGE'], 2);
if ($size_unit == 'bytes') {
//multiple ranges could be specified at the same time, but for simplicity only serve the first range
//http://tools.ietf.org/id/draft-ietf-http-range-retrieval-00.txt
list($range, $extra_ranges) = explode(',', $range_orig, 2);
} else {
$range = '';
header('HTTP/1.1 416 Requested Range Not Satisfiable');
exit;
}
} else {
$range = '';
}
//figure out download piece from range (if set)
if ($range && strpos($range, "-") !== false) {
list($seek_start, $seek_end) = @explode('-', $range, 2);
} else {
$seek_start = 0;
$seek_end = 0;
}
//set start and end based on range (if set), else set defaults
//also check for invalid ranges.
$seek_end = empty($seek_end) ? $file_size - 1 : min(abs(intval($seek_end)), $file_size - 1);
$seek_start = empty($seek_start) || $seek_end < abs(intval($seek_start)) ? 0 : max(abs(intval($seek_start)), 0);
//Only send partial content header if downloading a piece of the file (IE workaround)
if ($seek_start > 0 || $seek_end < $file_size - 1) {
header('HTTP/1.1 206 Partial Content');
header('Content-Range: bytes ' . $seek_start . '-' . $seek_end . '/' . $file_size);
header('Content-Length: ' . ($seek_end - $seek_start + 1));
} else {
header("Content-Length: {$file_size}");
}
set_time_limit(0);
$file = fopen($filename, "rb");
while (!feof($file)) {
echo @fread($file, 1024 * 256);
@ob_flush();
@flush();
if (connection_status() != 0) {
@fclose($file);
exit;
}
}
@fclose($file);
exit;
}
function downloadFile()
{
$fileid = FSS_Input::getInt('fileid');
$db = JFactory::getDBO();
$query = 'SELECT * FROM #__fss_kb_attach WHERE id = "' . FSSJ3Helper::getEscaped($db, $fileid) . '"';
$db->setQuery($query);
$row = $db->loadAssoc();
$filename = FSS_Helper::basename($row['filename']);
$file_extension = strtolower(substr(strrchr($filename, "."), 1));
$ctype = FSS_Helper::datei_mime($file_extension);
if (ob_get_level() > 0) {
ob_end_clean();
}
$file = JPATH_SITE . DS . FSS_Settings::get('attach_location') . DS . 'kb' . DS . $row['diskfile'];
if (!file_exists($file)) {
$file = JPATH_SITE . DS . FSS_Settings::get('attach_location') . DS . $row['diskfile'];
}
if (!file_exists($file)) {
echo "File not found - " . $row['diskfile'] . "<br />";
echo "Paths Tested:<br />";
echo "<ul>";
echo "<li>" . JPATH_SITE . DS . FSS_Settings::get('attach_location') . DS . 'kb' . "</li>";
echo "<li>" . JPATH_SITE . DS . FSS_Settings::get('attach_location') . "</li>";
echo "</ul>";
return;
}
header("Cache-Control: public, must-revalidate");
header('Cache-Control: pre-check=0, post-check=0, max-age=0');
header("Pragma: no-cache");
header("Expires: 0");
header("Content-Description: File Transfer");
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
header("Content-Type: " . $ctype);
//header("Content-Length: ".(string)$row['size']);
header('Content-Disposition: attachment; filename="' . $filename . '"');
header("Content-Transfer-Encoding: binary\n");
//echo getcwd(). "<br>";
//echo $file;
readfile($file);
exit;
}
function download()
{
$fileid = JRequest::getVar('fileid', 0, '', 'int');
$db = JFactory::getDBO();
$query = 'SELECT * FROM #__fss_kb_attach WHERE id = "' . FSSJ3Helper::getEscaped($db, $fileid) . '"';
$db->setQuery($query);
$row = $db->loadAssoc();
$filename = FSS_Helper::basename($row['filename']);
$file_extension = strtolower(substr(strrchr($filename, "."), 1));
$ctype = FSS_Helper::datei_mime($file_extension);
while (ob_get_level() > 0) {
ob_end_clean();
}
header("Cache-Control: public, must-revalidate");
header('Cache-Control: pre-check=0, post-check=0, max-age=0');
header("Pragma: no-cache");
header("Expires: 0");
header("Content-Description: File Transfer");
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
header("Content-Type: " . $ctype);
//header("Content-Length: ".(string)$row['size']);
header('Content-Disposition: attachment; filename="' . $filename . '"');
header("Content-Transfer-Encoding: binary\n");
//echo getcwd(). "<br>";
$file = "../components/com_fss/files/" . $row['diskfile'];
//echo $file;
@readfile($file);
exit;
}
