# $dirname: the name of the tar file (sans "tgz"). Also the name of the directory within.
# $files: a hash. The keys are the filenames, the values the file data
# $extra: (optional) a function to be called right before tar-ing.
-function make_tar($dirname, $files, $extra = '') {
- $tmpdir = '/tmp/make_tar';
+function make_tar($dirname, $files, $pre_archive_func = false, $tmpdir = false) {
+ if(!$tmpdir) {
+ if($GLOBALS['wfpl_tmpdir']) {
+ $tmpdir = $GLOBALS['wfpl_tmpdir'];
+ } else {
+ $tmpdir = 'tmp';
+ }
+ }
+
+ # user is choosing a very non-unique directory name, so make a random one to put it in
+ $tmpdir .= '/' . sprintf('%08x%08x', mt_rand(), mt_rand());
+ mkdir($tmpdir);
+
$dirname = ereg_replace('[^a-z0-9_-]', '', $dirname);
if($dirname == '') $dirname = 'foo';
- if(!file_exists($tmpdir)) {
- mkdir($tmpdir);
- }
mkdir("$tmpdir/$dirname");
foreach($files as $filename => $file_data) {
if(substr($filename, -3) == ' ->') {
}
}
- if(function_exists($extra)) {
- $extra("$tmpdir/$dirname");
+ if($pre_archive_func && function_exists($pre_archive_func)) {
+ $pre_archive_func("$tmpdir/$dirname");
}
header("Content-type: application/x-gzip");
passthru("tar -C $tmpdir -czf - $dirname/");
- system("/bin/rm -rf '$tmpdir/$dirname'");
+ system('/bin/rm -rf ' . escapeshellarg($tmpdir));
}
# like make_tar above, except it includes a copy of code/wfpl