$length) {
return substr($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 set file permissions";
}
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", '/')),
'',
'&'
);
$linkUrl = "?$linkParams";
$imgParams = http_build_query(
array(
'filename' => "$currentdir/$file/folder.jpg",
'size' => $thumb_size
),
'',
'&'
);
$imgUrl = GALLERY_ROOT . "createthumb.php?$imgParams";
$dirs[] = array(
"name" => $file,
"date" => filemtime($currentdir . "/" . $file . "/folder.jpg"),
"html" => "" . padstring($file, $label_max_length) . "![\"$label_loading\"](\"{$imgUrl}\")
"
);
} else {
// Set thumbnail to first image found (if any):
unset ($firstimage);
$firstimage = getfirstImage("$currentdir/" . $file);
if ($firstimage != "") {
$linkParams = http_build_query(
array('dir' => ltrim("$requestedDir/$file", '/')),
'',
'&'
);
$linkUrl = "?$linkParams";
$imgParams = http_build_query(
array(
'filename' => "$thumbdir/$file/$firstimage",
'size' => $thumb_size
),
'',
'&'
);
$imgUrl = GALLERY_ROOT . "createthumb.php?$imgParams";
$dirs[] = array(
"name" => $file,
"date" => filemtime($currentdir . "/" . $file),
"html" => "" . padstring($file, $label_max_length) . ""
);
} else {
// If no folder.jpg or image is found, then display default icon:
$linkParams = http_build_query(
array('dir' => ltrim("$requestedDir/$file", '/')),
'',
'&'
);
$linkUrl = "?$linkParams";
$imgUrl = GALLERY_ROOT . 'images/folder_' . strtolower($folder_color) . '.png';
$dirs[] = array(
"name" => $file,
"date" => filemtime($currentdir . "/" . $file),
"html" => "" . padstring($file, $label_max_length) . ""
);
}
}
}
}
// 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) {
$filename_caption="" . padstring($file, $label_max_length) . "";
}
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] = $file;
}
}
// Read the optionnal image title and caption in html file (image.jpg --> image.jpg.html)
// Format: title::caption
// Example: My cat::My cat like to roll on the floor.
// If file is not provided, image filename will be used instead.
checkpermissions($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
),
'',
'&'
);
$imgUrl = GALLERY_ROOT . "createthumb.php?$imgParams";
$files[] = array (
"name" => $file,
"date" => filemtime($currentdir . "/" . $file),
"size" => filesize($currentdir . "/" . $file),
"html" => "
" . $filename_caption . "");
} else {
$linkUrl = urlencode("$currentdir/$file");
$imgParams = http_build_query(
array(
'filename' => "$thumbdir/$file",
'size' => $thumb_size
),
'',
'&'
);
$imgUrl = GALLERY_ROOT . "createthumb.php?$imgParams";
$files[] = array (
"name" => $file,
"date" => filemtime($currentdir . "/" . $file),
"size" => filesize($currentdir . "/" . $file),
"html" => "" . $filename_caption . ""); }
}
// 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 . "/" . $file),
"html" => "" . padstring($file, 20) . "![$file](" . GALLERY_ROOT . "images/filetype_" . $extension . ".png)
" . $filename_caption . "");
}
}
}
closedir($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 .= "" . $i . "";
if ($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 .= " | $label_all";
}
//-----------------------
// BREADCRUMB NAVIGATION
//-----------------------
if ($requestedDir != "")
{
$breadcrumb_navigation .= "" . $label_home . " > ";
$navitems = explode("/", $_REQUEST['dir']);
for($i = 0; $i < sizeof($navitems); $i++)
{
if ($i == sizeof($navitems)-1) $breadcrumb_navigation .= $navitems[$i];
else
{
$breadcrumb_navigation .= "" . $navitems[$i] . " > ";
}
}
} 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++)
{
$breadcrumb_navigation .= "";
}
//-----------------------
// DISPLAY FOLDERS
//-----------------------
if (count($dirs) + count($files) == 0) {
$thumbnails .= "$label_noimages"; //Display 'no images' text
if($currentdir == "photos") $messages = "It looks like you have just installed MiniGal Nano. Please run the system check tool";
}
$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++)
{
$page_navigation .= "";
}
//-----------------------
// OUTPUT MESSAGES
//-----------------------
if ($messages != "") {
$messages = "" . $messages . "
![](\"images/close.png\")
![$label_loading](\"$imgUrl\")
" . $filename_caption . "