--- /dev/null
+<?php
+
+$bizouRootFromHere = '../..';
+require "$bizouRootFromHere/config.php";
+
+if (isset($_SERVER["PATH_INFO"])) {
+ $simplePath = $_SERVER["PATH_INFO"];
+} else {
+ $simplePath = '/';
+}
+
+if (strpos($simplePath, '..') !== false) die(".. found in url");
+
+$realDir = "$bizouRootFromHere/".IMAGES_DIR.$simplePath;
+
+if ( ! is_dir($realDir) ) {
+ header("HTTP/1.1 404 Not Found");
+ die("Directory Not Found");
+}
+
+# change to the parent directory
+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 = $matches[1];
+
+#$out = exec("du -c $filesarg");
+#preg_match('/^([0-9]+).*total$/', $out, $matches);
+#$totalsize = $matches[1] * 1024;
+
+#var_dump($totalsize);
+
+#var_dump("tar --no-recursion -c $filesarg");
+#die();
+
+header("Content-Length: $totalsize");
+header('Content-Type: application/x-tar');
+header('Content-Disposition: attachment; filename="'.basename($realDir).'.tar"');
+
+passthru("tar --no-recursion -c $filesarg");
+
+?>