problem with stdout

[Anon]

hi all!

i wrote a download-script, which copys the files from a non-webserv-directory to stdout (for security reasons):

<pre>
header("content-type: application/stream");
header("content-length: $len");
header("content-disposition: attachment; filename=".basename($filename));

readfile($filename);
</pre>

the problem is: it works fine, but not with files bigger than 8mb (there the download says: 0 bytes downloaded). i corrected the memory-limit in the php.ini, but it didn't work either.

so tried a workaround from "readfile()", cause it seems, readfile loads the whole file at once, and then writes out.

<pre>
$fp = fopen($filename, "rb");
$fpout = fopen('php://stdout', "wb");

header("content-type: application/stream");
header("content-length: $len");
header("content-disposition: attachment; filename=".basename($filename));

while (!(feof($fp)))
{
$stored = fread($fp,1024);
fwrite($fpout, $stored);
}
fclose($fp);
fclose($fpout);
</pre>

now, downloading starts with every file (yeehaa!), but (1) neither the right filename (2) nor the right size is displayed in the download-dialog. and (3) - the downloaded file seems to be corrupt.

whats wrong? is there some problem with using stdout?

thank you,
+ stefan

[marcel]

try next sequence:
(for works PERFECTLY on IE 5.5 and NN 4.74)

header('Content-Type: application/download');
header('Content-Disposition: inline; filename="'.$file_name.'"');
header('Content-Length: '.sizeo(...)...);
// your file size

[Anon]

hey, thanks. but it seems, that's not the problem - the header seems to be ok.

the difference is between readfile() (all at once), and this x-times 1024 bytes blocks - method. the last thing is not accepted.

why not? the download should work too with files which are bigger than the webservers ram.

thx,
+ stefan

[marcel]

sorry,
you told something about:
`(1) neither the right filename '...
this should be a headers problem ...

Forget about:
fpout = fopen('php://stdout', "wb");
and try:

while (!(feof($fp)))
{
$stored = fread($fp,1024);
echo $stored;
);

and .. check at the end of the script for
empty LINEs or SPACEs after closing tag `?>'

PM