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Minigalnano/index.php
Tom Canac 17322c981c fix #53
2014-11-11 10:43:18 +01:00

530 lines
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PHP
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<?php
/*
MINIGAL NANO
- A PHP/HTML/CSS based image gallery script
This script and included files are subject to licensing from Creative Commons (http://creativecommons.org/licenses/by-sa/2.5/)
You may use, edit and redistribute this script, as long as you pay tribute to the original author by NOT removing the linkback to www.minigal.dk ("Powered by MiniGal Nano x.x.x")
MiniGal Nano is created by Thomas Rybak
Copyright 2010 by Thomas Rybak
Support: www.minigal.dk
Community: www.minigal.dk/forum
Please enjoy this free script!
Upgraded to https://github.com/sebsauvage/MinigalNano
by Sébastien SAUVAGE.
*/
// Do not edit below this section unless you know what you are doing!
//-----------------------
// Debug stuff
//-----------------------
// error_reporting(E_ERROR);
// error_reporting(E_ALL);
error_reporting(-1);
/*
$mtime = microtime();
$mtime = explode(" ",$mtime);
$mtime = $mtime[1] + $mtime[0];
$starttime = $mtime;
*/
header('Content-Type: text/html; charset=UTF-8'); // We use UTF-8 for proper international characters handling.
$version = "0.3.7";
ini_set("memory_limit","256M");
require("config.php");
//-----------------------
// DEFINE VARIABLES
//-----------------------
$page_navigation = "";
$breadcrumb_navigation = "";
$thumbnails = "";
$new = "";
$images = "";
$exif_data = "";
$messages = "";
$comment = "";
//-----------------------
// PHP ENVIRONMENT CHECK
//-----------------------
if (!function_exists('exif_read_data') && $display_exif == 1) {
$display_exif = 0;
$messages = "Error: PHP EXIF is not available. Set &#36;display_exif = 0; in config.php to remove this message";
}
//-----------------------
// FUNCTIONS
//-----------------------
function is_directory($filepath) {
// $filepath must be the entire system path to the file
if (!@opendir($filepath)) return FALSE;
else {
return TRUE;
closedir($filepath);
}
}
function padstring($name, $length) {
global $label_max_length;
if (!isset($length)) $length = $label_max_length;
if (strlen($name) > $length) {
return substr($name,0,$length) . "...";
} else return $name;
}
function getfirstImage($dirname) {
$imageName = false;
$ext = array("jpg", "png", "jpeg", "gif", "JPG", "PNG", "GIF", "JPEG");
if($handle = opendir($dirname))
{
while(false !== ($file = readdir($handle)))
{
$lastdot = strrpos($file, '.');
$extension = substr($file, $lastdot + 1);
if ($file[0] != '.' && in_array($extension, $ext)) break;
}
$imageName = $file;
closedir($handle);
}
return($imageName);
}
function readEXIF($file) {
$exif_data = "";
$exif_idf0 = exif_read_data ($file,'IFD0' ,0 );
$emodel = $exif_idf0['Model'];
$efocal = $exif_idf0['FocalLength'];
//Next is only cosmectic need but give an error due to division by zero
//list($x,$y) = preg_split('/', $efocal);
//$efocal = round($x/$y,0);
$exif_exif = exif_read_data ($file,'EXIF' ,0 );
$eexposuretime = $exif_exif['ExposureTime'];
$efnumber = $exif_exif['FNumber'];
//Next is only cosmectic need but give an error due to division by zero
//list($x,$y) = preg_split('/', $efnumber);
//$efnumber = round($x/$y,0);
$eiso = $exif_exif['ISOSpeedRatings'];
$exif_date = exif_read_data ($file,'IFD0' ,0 );
$edate = $exif_date['DateTime'];
if (strlen($emodel) > 0 OR strlen($efocal) > 0 OR strlen($eexposuretime) > 0 OR strlen($efnumber) > 0 OR strlen($eiso) > 0) $exif_data .= "::";
if (strlen($emodel) > 0) $exif_data .= "$emodel";
if ($efocal > 0) $exif_data .= " | $efocal" . "mm";
if (strlen($eexposuretime) > 0) $exif_data .= " | $eexposuretime" . "s";
if ($efnumber > 0) $exif_data .= " | f$efnumber";
if (strlen($eiso) > 0) $exif_data .= " | ISO $eiso";
return($exif_data);
}
function checkpermissions($file) {
global $messages;
if (substr(decoct(fileperms($file)), -1, strlen(fileperms($file))) < 4 OR substr(decoct(fileperms($file)), -3,1) < 4) $messages = "At least one file or folder has wrong permissions. Learn how to <a href='http://minigal.dk/faq-reader/items/how-do-i-change-file-permissions-chmod.html' target='_blank'>set file permissions</a>";
}
if (!defined("GALLERY_ROOT")) define("GALLERY_ROOT", "");
$requestedDir = '';
if (!empty($_GET['dir'])) $requestedDir = $_GET['dir'];
$thumbdir = rtrim('photos/'.$requestedDir,'/');
//$thumbdir = str_replace('/..', '', $thumbdir); // Prevent directory traversal attacks.
if(strstr($thumbdir, '..') !== FALSE) {
$requestedDir = '';
$thumbdir = rtrim('photos/','/');
}
$currentdir = GALLERY_ROOT . $thumbdir;
//-----------------------
// READ FILES AND FOLDERS
//-----------------------
$files = array();
$dirs = array();
if (is_directory($currentdir) && $handle = opendir($currentdir))
{
while (false !== ($file = readdir($handle)) && !in_array($file, $SkipObjects))
{
// 1. LOAD FOLDERS
if (is_directory($currentdir . "/" . $file))
{
if ($file != "." && $file != ".." )
{
checkpermissions($currentdir . "/" . $file); // Check for correct file permission
// Set thumbnail to folder.jpg if found:
if (file_exists($currentdir. '/' . $file . '/folder.jpg'))
{
$linkParams = http_build_query(
array('dir' => ltrim("$requestedDir/$file", '/')),
'',
'&amp;'
);
$linkUrl = "?$linkParams";
$imgParams = http_build_query(
array(
'filename' => "$currentdir/$file/folder.jpg",
'size' => $thumb_size
),
'',
'&amp;'
);
$imgUrl = GALLERY_ROOT . "createthumb.php?$imgParams";
$dirs[] = array(
"name" => $file,
"date" => filemtime($currentdir . "/" . $file . "/folder.jpg"),
"html" => "<li><a href=\"{$linkUrl}\"><em>" . padstring($file, $label_max_length) . "</em><span></span><img src=\"{$imgUrl}\" alt=\"$label_loading\" /></a></li>"
);
} else {
// Set thumbnail to first image found (if any):
unset ($firstimage);
$firstimage = getfirstImage("$currentdir/" . $file);
if ($firstimage != "") {
$linkParams = http_build_query(
array('dir' => ltrim("$requestedDir/$file", '/')),
'',
'&amp;'
);
$linkUrl = "?$linkParams";
$imgParams = http_build_query(
array(
'filename' => "$thumbdir/$file/$firstimage",
'size' => $thumb_size
),
'',
'&amp;'
);
$imgUrl = GALLERY_ROOT . "createthumb.php?$imgParams";
$dirs[] = array(
"name" => $file,
"date" => filemtime($currentdir . "/" . $file),
"html" => "<li><a href=\"{$linkUrl}\"><em>" . padstring($file, $label_max_length) . "</em><span></span><img src=\"{$imgUrl}\" alt='$label_loading' /></a></li>"
);
} else {
// If no folder.jpg or image is found, then display default icon:
$linkParams = http_build_query(
array('dir' => ltrim("$requestedDir/$file", '/')),
'',
'&amp;'
);
$linkUrl = "?$linkParams";
$imgUrl = GALLERY_ROOT . 'images/folder_' . strtolower($folder_color) . '.png';
$dirs[] = array(
"name" => $file,
"date" => filemtime($currentdir . "/" . $file),
"html" => "<li><a href=\"{$linkUrl}\"><em>" . padstring($file, $label_max_length) . "</em><span></span><img src=\"{$imgUrl}\" width='$thumb_size' height='$thumb_size' alt='$label_loading' /></a></li>"
);
}
}
}
}
// 2. LOAD CAPTIONS
$img_captions['']='';
if (file_exists($currentdir ."/captions.txt"))
{
$file_handle = fopen($currentdir ."/captions.txt", "rb");
while (!feof($file_handle) )
{
$line_of_text = fgets($file_handle);
if (empty($line_of_text)) {
continue;
}
$parts = explode('/n', $line_of_text);
foreach($parts as $img_capts)
{
list($img_filename, $img_caption) = explode('|', $img_capts);
$img_captions[$img_filename] = $img_caption;
}
}
fclose($file_handle);
}
// 3. LOAD FILES
if ($file != "." && $file != ".." && $file != "folder.jpg")
{
if($display_filename) {
$filename_caption="<em>" . padstring($file, $label_max_length) . "</em>";
}
else {
$filename_caption="";
}
// JPG, GIF and PNG
if (preg_match("/.jpg$|.gif$|.png$/i", $file))
{
//Read EXIF
if (!array_key_exists($file, $img_captions)) {
if ($display_exif == 1)
{
$exifReaden= readEXIF($currentdir . "/" . $file);
//Add to the caption all the EXIF information
$img_captions[$file] = $file.$exifReaden;
}
else
{
//If no EXIF, just use the filename as caption
$img_captions[$file] = $file;
}
}
// Read the optionnal image title and caption in html file (image.jpg --> image.jpg.html)
// Format: title::caption
// Example: My cat::My cat like to <i>roll</i> on the floor.
// If file is not provided, image filename will be used instead.
checkpermissions($currentdir . "/" . $file);
if (is_file($currentdir.'/'.$file.'.html')) {
$img_captions[$file] = $file.'::'.htmlspecialchars(file_get_contents($currentdir.'/'.$file.'.html'),ENT_QUOTES);
}
if ($lazyload) {
$linkUrl = urlencode("$currentdir/$file");
$imgParams = http_build_query(
array(
'filename' => "$thumbdir/$file",
'size' => $thumb_size
),
'',
'&amp;'
);
$imgUrl = GALLERY_ROOT . "createthumb.php?$imgParams";
$files[] = array (
"name" => $file,
"date" => filemtime($currentdir . "/" . $file),
"size" => filesize($currentdir . "/" . $file),
"html" => "<li><a href={$linkUrl} rel='lightbox[billeder]' title=\"".htmlentities($img_captions[$file])."\"><img class=\"b-lazy\" src=data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw== data-src=\"$imgUrl\" alt='$label_loading' /></a>" . $filename_caption . "</li>");
} else {
$linkUrl = urlencode("$currentdir/$file");
$imgParams = http_build_query(
array(
'filename' => "$thumbdir/$file",
'size' => $thumb_size
),
'',
'&amp;'
);
$imgUrl = GALLERY_ROOT . "createthumb.php?$imgParams";
$files[] = array (
"name" => $file,
"date" => filemtime($currentdir . "/" . $file),
"size" => filesize($currentdir . "/" . $file),
"html" => "<li><a href=\"{$linkUrl}\" rel='lightbox[billeder]' title=\"".htmlentities($img_captions[$file])."\"><img src=\"{$imgUrl}\" alt='$label_loading' /></a>" . $filename_caption . "</li>"); }
}
// Other filetypes
$extension = "";
if (preg_match("/.pdf$/i", $file)) $extension = "PDF"; // PDF
if (preg_match("/.zip$/i", $file)) $extension = "ZIP"; // ZIP archive
if (preg_match("/.rar$|.r[0-9]{2,}/i", $file)) $extension = "RAR"; // RAR Archive
if (preg_match("/.tar$/i", $file)) $extension = "TAR"; // TARball archive
if (preg_match("/.gz$/i", $file)) $extension = "GZ"; // GZip archive
if (preg_match("/.doc$|.docx$/i", $file)) $extension = "DOCX"; // Word
if (preg_match("/.ppt$|.pptx$/i", $file)) $extension = "PPTX"; //Powerpoint
if (preg_match("/.xls$|.xlsx$/i", $file)) $extension = "XLXS"; // Excel
if (preg_match("/.ogv$|.mp4$|.mpg$|.mpeg$|.mov$|.avi$|.wmv$|.flv$|.webm$/i", $file)) $extension = "VIDEO"; // video files
if (preg_match("/.aiff$|.aif$|.wma$|.aac$|.flac$|.mp3$|.ogg$|.m4a$/i", $file)) $extension = "AUDIO"; // audio files
if ($extension != "")
{
$files[] = array (
"name" => $file,
"date" => filemtime($currentdir . "/" . $file),
"size" => filesize($currentdir . "/" . $file),
"html" => "<li><a href='" . $currentdir . "/" . $file . "' title='$file'><em-pdf>" . padstring($file, 20) . "</em-pdf><span></span><img src='" . GALLERY_ROOT . "images/filetype_" . $extension . ".png' width='$thumb_size' height='$thumb_size' alt='$file' /></a>" . $filename_caption . "</li>");
}
}
}
closedir($handle);
} else die("ERROR: Could not open ".htmlspecialchars(stripslashes($currentdir))." for reading!");
//-----------------------
// SORT FILES AND FOLDERS
//-----------------------
if (sizeof($dirs) > 0)
{
foreach ($dirs as $key => $row)
{
if($row["name"] == "") unset($dirs[$key]); //Delete empty array entries
$name[$key] = strtolower($row['name']);
$date[$key] = strtolower($row['date']);
}
if (strtoupper($sortdir_folders) == "DESC") array_multisort($$sorting_folders, SORT_DESC, $name, SORT_DESC, $dirs);
else array_multisort($$sorting_folders, SORT_ASC, $name, SORT_ASC, $dirs);
}
if (sizeof($files) > 0)
{
foreach ($files as $key => $row)
{
if($row["name"] == "") unset($files[$key]); //Delete empty array entries
$name[$key] = strtolower($row['name']);
$date[$key] = strtolower($row['date']);
$size[$key] = strtolower($row['size']);
}
if (strtoupper($sortdir_files) == "DESC") @array_multisort($$sorting_files, SORT_DESC, $name, SORT_ASC, $files);
else @array_multisort($$sorting_files, SORT_ASC, $name, SORT_ASC, $files);
}
//-----------------------
// OFFSET DETERMINATION
//-----------------------
if (!isset($_GET["page"])) $_GET["page"] = 1;
$offset_start = ($_GET["page"] * $thumbs_pr_page) - $thumbs_pr_page;
if (!isset($_GET["page"])) $offset_start = 0;
$offset_end = $offset_start + $thumbs_pr_page;
if ($offset_end > sizeof($dirs) + sizeof($files)) $offset_end = sizeof($dirs) + sizeof($files);
if ($_GET["page"] == "all" || $lazyload)
{
$offset_start = 0;
$offset_end = sizeof($dirs) + sizeof($files);
}
//-----------------------
// PAGE NAVIGATION
//-----------------------
if (!$lazyload && sizeof($dirs) + sizeof($files) > $thumbs_pr_page)
{
$page_navigation .= "$label_page ";
for ($i=1; $i <= ceil((sizeof($files) + sizeof($dirs)) / $thumbs_pr_page); $i++)
{
if ($_GET["page"] == $i)
$page_navigation .= "$i";
else
$page_navigation .= "<a href='?dir=" . $requestedDir . "&amp;page=" . ($i) . "'>" . $i . "</a>";
if ($i != ceil((sizeof($files) + sizeof($dirs)) / $thumbs_pr_page)) $page_navigation .= " | ";
}
//Insert link to view all images
if ($_GET["page"] == "all") $page_navigation .= " | $label_all";
else $page_navigation .= " | <a href='?dir=" . $requestedDir . "&amp;page=all'>$label_all</a>";
}
//-----------------------
// BREADCRUMB NAVIGATION
//-----------------------
if ($requestedDir != "")
{
$breadcrumb_navigation .= "<a href='?dir='>" . $label_home . "</a> > ";
$navitems = explode("/", $_REQUEST['dir']);
for($i = 0; $i < sizeof($navitems); $i++)
{
if ($i == sizeof($navitems)-1) $breadcrumb_navigation .= $navitems[$i];
else
{
$breadcrumb_navigation .= "<a href='?dir=";
for ($x = 0; $x <= $i; $x++)
{
$breadcrumb_navigation .= $navitems[$x];
if ($x < $i) $breadcrumb_navigation .= "/";
}
$breadcrumb_navigation .= "'>" . $navitems[$i] . "</a> > ";
}
}
} else $breadcrumb_navigation .= $label_home;
//Include hidden links for all images BEFORE current page so lightbox is able to browse images on different pages
for ($y = 0; $y < $offset_start - sizeof($dirs); $y++)
{
$breadcrumb_navigation .= "<a href='" . $currentdir . "/" . $files[$y]["name"] . "' class='hidden' title='" . $img_captions[$files[$y]["name"]] . "'></a>";
}
//-----------------------
// DISPLAY FOLDERS
//-----------------------
if (count($dirs) + count($files) == 0) {
$thumbnails .= "<li>$label_noimages</li>"; //Display 'no images' text
if($currentdir == "photos") $messages = "It looks like you have just installed MiniGal Nano. Please run the <a href='system_check.php'>system check tool</a>";
}
$offset_current = $offset_start;
for ($x = $offset_start; $x < sizeof($dirs) && $x < $offset_end; $x++)
{
$offset_current++;
$thumbnails .= $dirs[$x]["html"];
}
//-----------------------
// DISPLAY FILES
//-----------------------
for ($i = $offset_start - sizeof($dirs); $i < $offset_end && $offset_current < $offset_end; $i++)
{
if ($i >= 0)
{
$offset_current++;
$thumbnails .= $files[$i]["html"];
}
}
//Include hidden links for all images AFTER current page so lightbox is able to browse images on different pages
if ($i<0) $i=1;
for ($y = $i; $y < sizeof($files); $y++)
{
$page_navigation .= "<a href='" . $currentdir . "/" . $files[$y]["name"] . "' class='hidden' title='" . $img_captions[$files[$y]["name"]] . "'></a>";
}
//-----------------------
// OUTPUT MESSAGES
//-----------------------
if ($messages != "") {
$messages = "<div id=\"topbar\">" . $messages . " <a href=\"#\" onclick=\"document.getElementById('topbar').style.display = 'none';\";><img src=\"images/close.png\" /></a></div>";
}
// Read folder comment.
$comment_filepath = $currentdir . $file . "/comment.html";
if (file_exists($comment_filepath))
{
$fd = fopen($comment_filepath, "r");
$comment = fread($fd,filesize ($comment_filepath));
fclose($fd);
}
//PROCESS TEMPLATE FILE
if(GALLERY_ROOT != "") $templatefile = GALLERY_ROOT . "templates/integrate.html";
else $templatefile = "templates/" . $templatefile . ".html";
if(!$fd = fopen($templatefile, "r"))
{
echo "Template ".htmlspecialchars(stripslashes($templatefile))." not found!";
exit();
}
else
{
$template = fread ($fd, filesize ($templatefile));
fclose ($fd);
$template = stripslashes($template);
$template = preg_replace("/<% title %>/", $title, $template);
$template = preg_replace("/<% messages %>/", $messages, $template);
$template = preg_replace("/<% author %>/", $author, $template);
$template = preg_replace("/<% gallery_root %>/", GALLERY_ROOT, $template);
$template = preg_replace("/<% images %>/", "$images", $template);
$template = preg_replace("/<% thumbnails %>/", "$thumbnails", $template);
$template = preg_replace("/<% breadcrumb_navigation %>/", "$breadcrumb_navigation", $template);
$template = preg_replace("/<% page_navigation %>/", "$page_navigation", $template);
$template = preg_replace("/<% folder_comment %>/", "$comment", $template);
$template = preg_replace("/<% bgcolor %>/", "$backgroundcolor", $template);
$template = preg_replace("/<% gallery_width %>/", "$gallery_width", $template);
$template = preg_replace("/<% version %>/", "$version", $template);
echo "$template";
}
//-----------------------
//Debug stuff
//-----------------------
/* $mtime = microtime();
$mtime = explode(" ",$mtime);
$mtime = $mtime[1] + $mtime[0];
$endtime = $mtime;
$totaltime = ($endtime - $starttime);
echo "This page was created in ".$totaltime." seconds";
*/
?>
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