Nitsan Bin-Nun wrote:
Hi List,
I have been thinking for a while about setting up my own rapidshare.comclone,
Few days back I went really serious with this and came up with some ideas.
This is where I need your help, my partner and I have been thinking about
the
system that the website should run on.
We came to conclusion that we are going to write it in PHP.
There are several issues that came up during the mind-storm:
First, how we can keep the files out of being published as direct links?
My first idea was to host them one directory up from the http directory.
It seems good but how I would deliver the files to the users?
php wrapper.
It validates (session id or whatever) that the client has permission to
access the file, and then sends the real file.
$archive = /path/to/some/tarball;
$tarname = "something.tar";
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private",false);
header('Content-type: application/x-tar');
header("Content-Disposition: attachment; filename=" . $tarname);
header("Content-Transfer-Encoding: binary");
if ($fp = fopen( $archive , 'rb' )) {
$sendOutput = "";
while ($l = fgets($fp)) {
$sendOutput .= $l;
}
$outputLen = strlen($sendOutput);
header("Content-Length: $outputLen");
print $sendOutput;
} else {
// for whatever reason we failed
die();
}
We are talking about unlimited file-size hosting so that means that we
will have to stream the files somehow... and they will be BIG (it's
defendant,
about 700MB~ each)
Then I suggest setting up a torrent instead of direct download.
You can have protected torrents. I don't know how to set them up but I
use them - there's a torrent site that requires I log in from the same
IP as I'm running the torrent client from, for example.
If you want to provide service for those who can not use a torrent
client, use an ftp server to serve the files - so that ftp clients
capable of continuing an interrupted download can be used.
700MB is really too big fot http. Sure, it works, but it is better to
use a protocol designed for large binary files.
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