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Rework album/tag downloads #19

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Roflin merged 6 commits from tag-download into master 2020-03-11 20:04:31 +01:00
Conversation 0 Commits 6 Files Changed 1 +19 -8
1 changed files with 19 additions and 8 deletions
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23
controllers/Download.php
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@ -42,8 +42,8 @@ class Download
}
$descriptorspec = [
0 => ['pipe', 'r'],
1 => ['pipe', 'w'],
0 => ['pipe', 'r'], // STDIN
1 => ['pipe', 'w'], // STDOUT
];
$command = 'tar -cf - -C ' . escapeshellarg(ASSETSDIR) . ' --null -T -';
@ -59,22 +59,33 @@ class Download
if(!$pipes[1])
throw new UnexpectedValueException('Could not open pipe for STDOUT');
$album_name = $album->tag;
// STDOUT should not block.
stream_set_blocking($pipes[1], 0);
header('Pragma: no-cache');
header('Content-Description: File Download');
header('Content-disposition: attachment; filename="' . $album_name . '.tar"');
header('Content-disposition: attachment; filename="' . $album->tag . '.tar"');
header('Content-Type: application/octet-stream');
header('Content-Transfer-Encoding: binary');
// Write filenames to include to STDIN, separated by null bytes.
foreach ($files as $file)
fwrite($pipes[0], $file . "\0");
// Close STDIN pipe to start archiving.
fclose($pipes[0]);
while($chunk = stream_get_contents($pipes[1], 4096))
echo $chunk;
do
{
// Read STDOUT as `tar` is doing its work.
echo stream_get_contents($pipes[1], 4096);
// Are we still running?
$status = proc_get_status($proc);
}
while (!empty($status) && $status['running']);
// Close STDOUT pipe and clean up process.
fclose($pipes[1]);
proc_close($proc);