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Added variables to enable/disable tar recursion and content-length header

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This commit is contained in:
Marc MAURICE 2011-06-13 21:04:29 +02:00
parent 89aad43dde
commit ce885a485d
1 changed files with 20 additions and 5 deletions
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25
plugins/tar/tar.php
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@ -1,5 +1,15 @@
<?php
# do not enable recursive tars by default
$TAR_FLAGS = "--no-recursion";
# send content length for browsers to display the progress bar
# note : won't work if the http server uses Chunked transfer encoding (http://en.wikipedia.org/wiki/Chunked_transfer_encoding)
# probably the case with gzip content-encoding.
# For this we need to tar files to /dev/null before the real tar
$SEND_CONTENT_LENGTH = true;
########################
$bizouRootFromHere = '../..';
require "$bizouRootFromHere/config.php";
@ -23,14 +33,19 @@ chdir(dirname($realDir));
$filesarg = escapeshellarg(basename($realDir))."/*";
$out = exec("tar --no-recursion --totals -cf /dev/null $filesarg 2>&1");
preg_match('/^Total bytes written: ([0-9]+) /', $out, $matches);
$totalsize = $matches[1];
# compute and send content-length header
if ($SEND_CONTENT_LENGTH) {
$out = exec("tar $TAR_FLAGS --totals -cf /dev/null $filesarg 2>&1");
preg_match('/^Total bytes written: ([0-9]+) /', $out, $matches);
$totalsize = $matches[1];
header("Content-Length: $totalsize");
header("Content-Length: $totalsize");
}
# final step : stream the directory content via tar
header('Content-Type: application/x-tar');
header('Content-Disposition: attachment; filename="'.basename($realDir).'.tar"');
passthru("tar --no-recursion -c $filesarg");
passthru("tar $TAR_FLAGS -c $filesarg");
?>