3 Bizou - a (french) KISS php image gallery
4 Copyright (C) 2010 Marc MAURICE
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 # do not enable recursive tars by default
21 $TAR_FLAGS = "--no-recursion";
23 # send content length for browsers to display the progress bar
24 # note : won't work if the http server uses Chunked transfer encoding (http://en.wikipedia.org/wiki/Chunked_transfer_encoding)
25 # probably the case with gzip content-encoding.
26 # For this we need to tar files to /dev/null before the real tar
27 $SEND_CONTENT_LENGTH = true;
29 ########################
30 $bizouRootFromHere = '../..';
31 require "$bizouRootFromHere/config.php";
33 if (isset($_SERVER["PATH_INFO"])) {
34 $simplePath = $_SERVER["PATH_INFO"];
39 if (strpos($simplePath, '..') !== false) die(".. found in url");
41 $realDir = "$bizouRootFromHere/".IMAGES_DIR.$simplePath;
43 if ( ! is_dir($realDir) ) {
44 header("HTTP/1.1 404 Not Found");
45 die("Directory Not Found");
48 # change to the parent directory
49 chdir(dirname($realDir));
51 $filesarg = escapeshellarg(basename($realDir))."/*";
53 # compute and send content-length header
54 if ($SEND_CONTENT_LENGTH) {
55 $out = exec("tar $TAR_FLAGS --totals -cf /dev/null $filesarg 2>&1");
56 preg_match('/^Total bytes written: ([0-9]+) /', $out, $matches);
57 $totalsize = $matches[1];
59 header("Content-Length: $totalsize");
62 # final step : stream the directory content via tar
63 header('Content-Type: application/x-tar');
64 header('Content-Disposition: attachment; filename="'.basename($realDir).'.tar"');
66 passthru("tar $TAR_FLAGS -c $filesarg");