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substituted fopen/fread/fclose() for faulty readfile on a big file

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hyung-hwan 2015-08-03 02:58:04 +00:00
parent aa0e52e8dd
commit 5541c1913b
2 changed files with 95 additions and 0 deletions
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3
codepot/src/codepot/controllers/file.php
View File

@ -196,6 +196,7 @@ class File extends Controller
return;
}
/*
header('Content-Type: application/octet-stream');
header('Content-Length: ' . $stat['size']);
header('Content-Disposition: attachment; filename=' . $name);
@ -212,6 +213,8 @@ class File extends Controller
$data['message'] = "CANNOT GET FILE - {$file->name}";
$this->load->view ($this->VIEW_ERROR, $data);
}
*/
codepot_readfile ($path, $name);
/*
$this->load->helper('download');

92
codepot/src/codepot/helpers/codepot_helper.php
View File

@ -423,3 +423,95 @@ if (!function_exists ('codepot_get_fa_file_type'))
return 'file';
}
}
if ( ! function_exists('codepot_readfile'))
{
function codepot_readfile ($location, $filename, $mimeType='application/octet-stream')
{
if(!file_exists($location))
{
header ("HTTP/1.0 404 Not Found");
return;
}
$size = filesize($location);
$time = date('r',filemtime($location));
if ($size <= 0)
{
header("Content-Type: $mimeType");
header('Cache-Control: public, must-revalidate, max-age=0');
header('Pragma: no-cache');
header('Content-Length: ' . $size);
header('Content-Disposition: attachment; filename=' . $filename);
header('Content-Transfer-Encoding: binary');
header('Connection: close');
header("Last-Modified: $time");
flush ();
}
else
{
$fm = @fopen($location,'rb');
if (!$fm)
{
header ("HTTP/1.0 505 Internal server error");
return;
}
$begin = 0;
$end = $size;
if (isset($_SERVER['HTTP_RANGE']))
{
if (preg_match('/bytes=\h*(\d+)-(\d*)[\D.*]?/i', $_SERVER['HTTP_RANGE'], $matches))
{
$begin = intval($matches[1]);
if (!empty($matches[2])) $end = intval($matches[2]) + 1;
}
}
if ($end < $begin) $end = $begin;
if ($begin > 0 || $end < $size)
{
header('HTTP/1.0 206 Partial Content');
}
else
{
header('HTTP/1.0 200 OK');
}
header("Content-Type: $mimeType");
header('Cache-Control: public, must-revalidate, max-age=0');
header('Pragma: no-cache');
header('Accept-Ranges: bytes');
header('Content-Length:' . ($end - $begin));
header("Content-Range: bytes $begin-" . ($end - 1) . "/$size");
header("Content-Disposition: attachment; filename=$filename");
header("Content-Transfer-Encoding: binary");
header("Last-Modified: $time");
header('Connection: close');
flush ();
$cur = $begin;
fseek ($fm, $begin, 0);
while (!feof($fm) && $cur < $end && (connection_status()==0))
{
$len = min(1024*16,$end-$cur);
$x = fread ($fm, $len);
if ($x === FALSE) break;
print $x;
$cur += $len;
}
fclose ($fm);
}
}
}