+<?php
+/*
+ Bizou zip plugin
+ Copyright (C) 2013 Felix Friedrich
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ This script creates a zip file from a given folder (and subfolders).
+ Call it like http(s)://URL_OF_BIZOU/zip.php/FOLDER
+ where FOLDER is a folder in BIZOU_DIR/images.
+*/
+
+$bizouRootFromHere = '../..';
+require "$bizouRootFromHere/config.php";
+
+/*
+ This function add a given folder (and it's subfolders) to an
+ existing zip archive.
+*/
+function zipFolder($zip, $folder) {
+ global $bizouRootFromHere;
+
+ $zip->addEmptyDir($folder);
+ $path = "$bizouRootFromHere/".IMAGES_DIR."/".$folder."/";
+
+ foreach (scandir($path) as $entry) {
+
+ if (($entry != '.') and ($entry != '..')) {
+
+ if (is_dir($path.$entry)) {
+ zipFolder($zip, $folder."/".$entry);
+ } else {
+ $zip->addFile($path.$entry, $folder."/".$entry);
+ }
+ }
+ }
+}
+
+/*
+ Setting some needed variables.
+*/
+$folder = $_SERVER["PATH_INFO"];
+$folder = trim($folder, "/");
+
+if (($folder == "/") or ($folder == "")) {
+ $filename = "all.zip";
+}
+else {
+ $filename = $folder.".zip";
+}
+
+if (is_dir("$bizouRootFromHere/".IMAGES_DIR."/".$folder)) {
+
+ $tmp = tempnam("/tmp", "bizou_"); // Getting a temporary file.
+ unlink($tmp); // Deleting the temporary file in order to recreate it as a zip archive.
+
+ // Creating zip archive.
+ $zip = new ZipArchive();
+ if ($zip->open($tmp, ZIPARCHIVE::CREATE) !== TRUE) {
+ die("Cannot open temorary file :-(");
+ }
+
+ // Adding the given folder to the zip archive.
+ zipFolder($zip, $folder);
+
+ $zip->close();
+
+ // Returning zip file for downloading.
+ header('Content-type: application/zip');
+ header('Content-Disposition: attachment; filename="'.$filename.'"');
+ readfile($tmp);
+ unlink($tmp);
+
+} else {
+
+ /*
+ The given folder does not seem to be a folder in BIZOU_DIR/images,
+ this we die.
+ */
+ header('HTTP/1.1 404 Not Found');
+ die("Gallery does not exist. Go away!");
+}
+?>