deblan-mirror/tinyfilemanager
deblan-mirror/tinyfilemanager
1
0
Fork 0
mirror of https://github.com/prasathmani/tinyfilemanager synced 2024-05-17 21:16:38 +02:00
Code Issues Projects Releases Wiki Activity

Support resumable/partial downloads

Browse source 
This change is to support resumable or partial downloads. This is important when streaming video/audio over tinyfilemanager
This commit is contained in:
badda71 2018-07-06 11:17:27 +02:00 committed by GitHub
parent cbfa110951
commit 885dc2439e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 34 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
tinyfilemanager.php
View file

@ -428,17 +428,48 @@ if (isset($_GET['dl'])) {
$path .= '/' . FM_PATH;
}
if ($dl != '' && is_file($path . '/' . $dl)) {
$bufferSize = 2097152;
$filesize = filesize($path . '/' . $dl);
$offset = 0;
$length = $filesize;
if (isset($_SERVER['HTTP_RANGE'])) {
// if the HTTP_RANGE header is set we're dealing with partial content
// find the requested range
// this might be too simplistic, apparently the client can request
// multiple ranges, which can become pretty complex, so ignore it for now
preg_match('/bytes=(\d+)-(\d+)?/', $_SERVER['HTTP_RANGE'], $matches);
$offset = intval($matches[1]);
if(!isset($matches[2])) { $end=$filesize-1; } else { $end = intval($matches[2]); }
$length = $end + 1 - $offset;
// output the right headers for partial content
header('HTTP/1.1 206 Partial Content');
header("Content-Range: bytes $offset-$end/$filesize");
}
// output the regular HTTP headers
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Type: ' . mime_content_type($path . '/' . $dl));
header('Content-Disposition: attachment; filename="' . basename($path . '/' . $dl) . '"');
header('Content-Transfer-Encoding: binary');
header('Connection: Keep-Alive');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . filesize($path . '/' . $dl));
readfile($path . '/' . $dl);
header("Content-Length: $filesize");
header('Accept-Ranges: bytes');
$file = fopen($path . '/' . $dl, 'r');
// seek to the requested offset, this is 0 if it's not a partial content request
fseek($file, $offset);
// don't forget to send the data too
while ($length >= $bufferSize)
{
print(fread($file, $bufferSize));
$length -= $bufferSize;
}
if ($length) print(fread($file, $length));
fclose($file);
exit;
} else {
fm_set_msg('File not found', 'error');
fm_redirect(FM_SELF_URL . '?p=' . urlencode(FM_PATH));