bizou/index.php
Marc MAURICE 451e14b16e Fixed a bug when bizou was operating at the top root of a site
Thanks to pilau who detected it
2011-01-27 01:13:05 +01:00

248 lines
6.8 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/>.
*/
require 'config.php';
// global variables, globals should remain contant
$scriptUrl = $_SERVER["SCRIPT_NAME"];
$rootUrl = dirname($scriptUrl);
if (substr($rootUrl, -1) !== '/') $rootUrl.='/'; // add a trailing / to rootUrl
// $scriptUrl = "/path/to/bizou/index.php"
// $rootUrl = "/path/to/bizou/"
// load plugins
$plugins = array();
if (is_dir("plugins")) {
$plugins = scandir("plugins");
array_shift($plugins); array_shift($plugins); // remove . and ..
foreach ($plugins as $p) if (is_file("plugins/$p/functions.php"))
require "plugins/$p/functions.php";
}
function plugins_include($phpFile)
{
foreach ($GLOBALS['plugins'] as $p) if (is_file("plugins/$p/$phpFile"))
require "plugins/$p/$phpFile";
}
if (! function_exists('getImageLink')) {
function getImageLink($imageSimplePath)
{
return $GLOBALS['rootUrl'].IMAGES_DIR.$imageSimplePath;
}
}
function getPreview($imgFile, $maxSize = THUMB_SIZE)
{
# example: data/myalbum/100.mypic.jpg
$newImgFile = DATA_DIR."/".dirname($imgFile)."/".$maxSize.".".basename($imgFile);
if (! is_file($newImgFile))
{
$ext = strtolower(substr($imgFile, -4));
if ($ext == ".jpg")
$img = imagecreatefromjpeg($imgFile);
else
$img = imagecreatefrompng($imgFile);
$w = imagesx($img);
$h = imagesy($img);
# don't do anything if the image is already small
if ($w <= $maxSize and $h <= $maxSize) {
imagedestroy($img);
return $imgFile;
}
# create the thumbs directory recursively
if (! is_dir(dirname($newImgFile))) mkdir(dirname($newImgFile), 0777, true);
if ($w > $h) {
$newW = $maxSize;
$newH = $h/($w/$maxSize);
} else {
$newW = $w/($h/$maxSize);
$newH = $maxSize;
}
$newImg = imagecreatetruecolor($newW, $newH);
imagecopyresampled($newImg, $img, 0, 0, 0, 0, $newW, $newH, $w, $h);
if ($ext == ".jpg")
imagejpeg($newImg, $newImgFile);
else
imagepng($newImg, $newImgFile);
imagedestroy($img);
imagedestroy($newImg);
}
return $GLOBALS['rootUrl'].$newImgFile;
}
function getAlbumPreview($dir)
{
foreach (scandir($dir) as $file) if ($file != '.' and $file != '..') {
$ext = strtolower(substr($file, -4));
if ($ext == ".jpg" or $ext == ".png")
return getPreview("$dir/$file");
}
return '';
}
// if url == http://localhost/photos/index.php/toto/titi, path_info == /toto/titi
// if url == http://localhost/photos/index.php, path_info is not set
// if url == http://localhost/photos/, path_info is not set
// if path_info is not set, we are at top level, so we redirect to /photos/index.php/
if (! isset($_SERVER["PATH_INFO"])) {
header("Location: $scriptUrl/");
exit();
}
# simplePath is the simple path to the image
# /index.php/toto/titi => simplePath == /toto/titi
$simplePath = $_SERVER["PATH_INFO"];
if ($simplePath == '/') $simplePath = '';
// extra security check to avoid /photos/index/../.. like urls, maybe useless but..
if (strpos($simplePath, '..') !== false) die(".. found in url");
$folders = array();
$imageFiles = array();
$otherFiles = array();
# realDir is the directory in filesystem
# seen from current script directory
$realDir = IMAGES_DIR.$simplePath;
if (! is_dir($realDir)) {
header("HTTP/1.1 404 Not Found");
die("Directory Not Found");
}
foreach (scandir($realDir) as $file) if ($file != '.' and $file != '..')
{
if (is_dir("$realDir/$file"))
{
$folders[] = array( "name" => $file, "link" => "$scriptUrl$simplePath/$file", "preview" => getAlbumPreview("$realDir/$file") );
}
else
{
$ext = strtolower(substr($file, -4));
if ($ext == ".jpg" or $ext == ".png") {
$imageFiles[] = array( "name" => $file, "url" => getPreview("$realDir/$file"), "link" => getImageLink("$simplePath/$file") );
} else {
$otherFiles[] = array( "name" => $file, "link" => "$rootUrl$realDir/$file" );
}
}
}
if (dirname($simplePath) !== '')
$parentLink = $scriptUrl.dirname($simplePath);
else
$parentLink = "";
?>
<?php
///// template starts here /////
header('Content-Type: text/html; charset=utf-8');
header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + 3600));
?>
<html>
<head>
<title> <?php echo $realDir ?> </title>
<style type="text/css">
body {
margin-top: 0;
font-family: sans-serif;
}
img {
border: 0;
}
a {
text-decoration: none;
}
.square {
display: inline-block;
}
.image, .foldername, .image_nopreview, .foldername_nopreview {
display: table-cell;
vertical-align: middle;
}
.image, .image_nopreview {
width: <?php echo THUMB_SIZE ?>px;
text-align: center;
}
.image, .foldername {
height: <?php echo THUMB_SIZE ?>px;
}
.foldername, .foldername_nopreview {
padding-left: 1ex;
}
#parentfolder {
font-size: 4em;
font-weight: bold;
height: 0.6em;
}
#credit {
text-align: right;
font-size: 0.25cm;
color: gray;
}
</style>
<?php foreach ($plugins as $p) if (is_file("plugins/$p/style.css")) { ?>
<link rel="stylesheet" type="text/css" href="<?php echo $rootUrl."plugins/$p/style.css" ?>" />
<?php } ?>
</head>
<body>
<div id="parentfolder"><a href="<?php echo $parentLink ?>">
<?php if ($parentLink !== '') { ?>
^
<?php } ?>
&nbsp;</a></div>
<?php plugins_include("before_content.php") ?>
<?php foreach($folders as $folder) { ?>
<div class="folder">
<?php if ($folder["preview"] === "") { ?>
<div class="square"><div class="image_nopreview"> - </div></div>
<div class="square"><div class="foldername_nopreview"> <a href="<?php echo $folder["link"] ?>"><?php echo $folder["name"] ?></a> </div></div>
<?php } else { ?>
<div class="square"><div class="image"> <a href="<?php echo $folder["link"] ?>"><img src="<?php echo $folder["preview"] ?>" /></a> </div></div>
<div class="square"><div class="foldername"> <a href="<?php echo $folder["link"] ?>"><?php echo $folder["name"] ?></a> </div></div>
<?php } ?>
</div>
<?php } ?>
<?php foreach ($imageFiles as $file) { ?>
<div class="square"><div class="image"><a href="<?php echo $file["link"] ?>"><img src="<?php echo $file["url"] ?>" alt="<?php echo $file["name"] ?>" /></a></div></div>
<?php } ?>
<?php foreach ($otherFiles as $file) { ?>
<div class="miscfile"><a href="<?php echo $file["link"] ?>"><?php echo $file["name"] ?></a></div>
<?php } ?>
<p id="credit">
Generated by <a href="http://www.positon.org/bizou/">Bizou</a>
</p>
</body>
</html>