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php: Implement file streaming #1179

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php: Implement file streaming #1179

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26 changes: 14 additions & 12 deletions tinyfilemanager.php
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Original file line number Diff line number Diff line change
Expand Up @@ -3186,18 +3186,17 @@ function fm_download_file($fileLocation, $fileName, $chunkSize = 1024)

if ($size == 0) {
fm_set_msg(lng('Zero byte file! Aborting download'), 'error');
$FM_PATH=FM_PATH; fm_redirect(FM_SELF_URL . '?p=' . urlencode($FM_PATH));

return (false);
$FM_PATH = FM_PATH;
fm_redirect(FM_SELF_URL . '?p=' . urlencode($FM_PATH));
return false;
}

@ini_set('magic_quotes_runtime', 0);
$fp = fopen("$fileLocation", "rb");

$fp = fopen($fileLocation, "rb");
if ($fp === false) {
fm_set_msg(lng('Cannot open file! Aborting download'), 'error');
$FM_PATH=FM_PATH; fm_redirect(FM_SELF_URL . '?p=' . urlencode($FM_PATH));
return (false);
$FM_PATH = FM_PATH;
fm_redirect(FM_SELF_URL . '?p=' . urlencode($FM_PATH));
return false;
}

// headers
Expand Down Expand Up @@ -3233,13 +3232,16 @@ function fm_download_file($fileLocation, $fileName, $chunkSize = 1024)
header("Content-Range: bytes 0-$size2/$size");
header("Content-Length: " . $size);
}
$fileLocation = realpath($fileLocation);
while (ob_get_level()) ob_end_clean();
readfile($fileLocation);

while (!feof($fp) && !connection_aborted() && ($chunk = fread($fp, $chunkSize)) !== false) {
echo $chunk;
ob_flush();
flush();
}

fclose($fp);

return ((connection_status() == 0) and !connection_aborted());
return (connection_status() == 0 && !connection_aborted());
}

/**
Expand Down