bizou/plugins/viewer/view.php

84 lines
2.6 KiB
PHP

<?php
/*
Bizou - a (french) KISS php image gallery
Copyright (C) 2010 Marc MAURICE
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/>.
*/
$bizouRootFromHere = '../..';
require "$bizouRootFromHere/config.php";
require "$bizouRootFromHere/functions.php";
// extract /path/to/image.jpg from /view.php/path/to/image.jpg
$simpleImagePath = getPathInfo();
if (! is_file("$bizouRootFromHere/".IMAGES_DIR.$simpleImagePath)) {
header("HTTP/1.1 404 Not Found");
die("File Not Found");
}
// get all images in an array
$images = array();
$files = scandir("$bizouRootFromHere/".IMAGES_DIR.dirname($simpleImagePath));
foreach ($files as $file) if ($file[0] != '.')
{
$ext = strtolower(substr($file, -4));
if ($ext == ".jpg" or $ext == ".png")
$images[] = $file;
}
// find the image position
$pos = array_search(basename($simpleImagePath), $images);
if ($pos === false) die("Image not found");
// get prev and next images
$prevImage = '';
$nextImage = '';
if ($pos > 0)
$prevImage = $images[$pos-1];
if ($pos < sizeof($images)-1)
$nextImage = $images[$pos+1];
$scriptUrl = $_SERVER["SCRIPT_NAME"];
$bizouRootUrl = dirname(dirname(dirname($scriptUrl)));
if (substr($bizouRootUrl, -1) !== '/') $bizouRootUrl.='/'; // add a trailing / to rootUrl
// scriptUrl = /path/to/bizou/plugins/viewer/view.php
// bizouRootUrl = /path/to/bizou/
// template variables
$imageUrl = $bizouRootUrl.IMAGES_DIR.$simpleImagePath;
if ($nextImage === '') {
$nextImageUrl = '';
$nextPageUrl = '';
} else {
$nextImageUrl = dirname($bizouRootUrl.IMAGES_DIR.$simpleImagePath)."/$nextImage";
$nextPageUrl = dirname($_SERVER["REQUEST_URI"])."/$nextImage";
}
if ($prevImage === '') $prevPageUrl = '';
else $prevPageUrl = dirname($_SERVER["REQUEST_URI"])."/$prevImage";
$directoryUrl = $bizouRootUrl."index.php".dirname($simpleImagePath);
$firefox = strpos($_SERVER['HTTP_USER_AGENT'], 'Firefox') !== false;
///// template starts here /////
header('Content-Type: text/html; charset=utf-8');
header('Cache-Control: max-age=3600');
require 'template.php';
?>