function buildThumbnail()
{
//set cropping offset
$cropX = floor(($this->image->width - $this->cropWidth) / 2);
$cropY = floor(($this->image->height - $this->cropHeight) / 2);
//check thumbs directory exists and create it if not
if (!file_exists(dirname($this->thumbPath))) {
Singapore::mkdir(dirname($this->thumbPath));
}
//if file is remote then copy locally first
if ($this->image->isRemote()) {
$ip = @fopen($this->imagePath, "rb");
$tp = @fopen($this->thumbPath, "wb");
if ($ip && $tp) {
while (fwrite($tp, fread($ip, 4095))) {
}
fclose($tp);
fclose($ip);
$this->imagePath = $this->thumbPath;
}
}
switch ($this->config->thumbnail_software) {
case "im":
//use ImageMagick v5.x
$cmd = '"' . $this->config->pathto_convert . '"';
if ($this->forceSize) {
$cmd .= " -crop {$this->cropWidth}x{$this->cropHeight}+{$this->cropX}+{$this->cropY}";
}
$cmd .= " -geometry {$this->thumbWidth}x{$this->thumbHeight}";
if ($this->image->type == 2) {
$cmd .= " -quality " . $this->config->thumbnail_quality;
}
if ($this->config->progressive_thumbs) {
$cmd .= " -interlace Plane";
}
if ($this->config->remove_jpeg_profile) {
$cmd .= ' +profile "*"';
}
$cmd .= ' ' . escapeshellarg($this->imagePath) . ' ' . escapeshellarg($this->thumbPath);
exec($cmd);
break;
case "im6":
//use ImageMagick v6.x
$cmd = '"' . $this->config->pathto_convert . '"';
$cmd .= ' ' . escapeshellarg($this->imagePath);
if ($this->config->progressive_thumbs) {
$cmd .= " -interlace Plane";
}
if ($this->image->type == 2) {
$cmd .= " -quality " . $this->config->thumbnail_quality;
}
if ($this->forceSize) {
$cmd .= " -crop {$this->cropWidth}x{$this->cropHeight}+{$this->cropX}+{$this->cropY}";
}
$cmd .= " -resize {$this->thumbWidth}x{$this->thumbHeight}";
if ($this->config->remove_jpeg_profile) {
$cmd .= ' +profile "*"';
}
$cmd .= ' ' . escapeshellarg($this->thumbPath);
exec($cmd);
break;
case "gd2":
case "gd1":
default:
//use GD by default
//read in image as appropriate type
switch ($this->image->type) {
case 1:
$image = ImageCreateFromGIF($this->imagePath);
break;
case 3:
$image = ImageCreateFromPNG($this->imagePath);
break;
case 2:
default:
$image = ImageCreateFromJPEG($this->imagePath);
break;
}
if ($image) {
switch ($this->config->thumbnail_software) {
case "gd2":
//create blank truecolor image
$thumb = ImageCreateTrueColor($this->thumbWidth, $this->thumbHeight);
//resize image with resampling
ImageCopyResampled($thumb, $image, 0, 0, $cropX, $cropY, $this->thumbWidth, $this->thumbHeight, $this->cropWidth, $this->cropHeight);
break;
case "gd1":
default:
//create blank 256 color image
$thumb = ImageCreate($this->thumbWidth, $this->thumbHeight);
//resize image
ImageCopyResized($thumb, $image, 0, 0, $cropX, $cropY, $this->thumbWidth, $this->thumbHeight, $this->cropWidth, $this->cropHeight);
break;
}
}
/*else {
$thumb = ImageCreate($this->thumbWidth, $this->thumbHeight);
$bg = ImageColorAllocate($thumb, 255, 255, 255);
$text = ImageColorAllocate($thumb, 255, 0, 0);
ImageString($thumb, 1, 0, 0, "Cannot load source image", $text);
}*/
//set image interlacing
@ImageInterlace($thumb, $this->config->progressive_thumbs);
//output image of appropriate type
switch ($this->image->type) {
case 1:
//GIF images are saved as PNG
//GIF images are saved as PNG
case 3:
ImagePNG($thumb, $this->thumbPath);
break;
case 2:
default:
ImageJPEG($thumb, $this->thumbPath, $this->config->thumbnail_quality);
break;
}
@ImageDestroy($image);
@ImageDestroy($thumb);
}
//set file permissions on newly created thumbnail
@chmod($this->thumbPath, octdec($this->config->file_mode));
}
/**
* Fetches gallery info for the specified gallery and immediate children.
* @param string gallery id
* @param string language code spec for this request (optional)
* @param int number of levels of child galleries to fetch (optional)
* @return sgGallery the gallery object created
*/
function &getGallery($galleryId, &$parent, $getChildGalleries = 1, $language = null)
{
$gal = new sgGallery($galleryId, $parent);
if ($language == null) {
$translator = Translator::getInstance();
$language = $translator->language;
}
//try to open language specific metadata
$fp = @fopen($this->config->base_path . $this->config->pathto_galleries . $galleryId . "/metadata.{$language}.csv", "r");
//if fail then try to open generic metadata
if (!$fp) {
$fp = @fopen($this->config->base_path . $this->config->pathto_galleries . $galleryId . "/metadata.csv", "r");
}
if ($fp) {
while ($temp[] = fgetcsv($fp, 2048)) {
}
fclose($fp);
list($gal->filename, $gal->thumbnail, $gal->owner, $gal->groups, $gal->permissions, $gal->categories, $gal->name, $gal->artist, $gal->email, $gal->copyright, $gal->desc, $gal->summary, $gal->date) = $temp[1];
//only fetch individual images if child galleries are required
if ($getChildGalleries) {
for ($i = 0; $i < count($temp) - 3; $i++) {
$gal->images[$i] = new sgImage($temp[$i + 2][0], $gal, $this->config);
list(, $gal->images[$i]->thumbnail, $gal->images[$i]->owner, $gal->images[$i]->groups, $gal->images[$i]->permissions, $gal->images[$i]->categories, $gal->images[$i]->name, $gal->images[$i]->artist, $gal->images[$i]->email, $gal->images[$i]->copyright, $gal->images[$i]->desc, $gal->images[$i]->location, $gal->images[$i]->date, $gal->images[$i]->camera, $gal->images[$i]->lens, $gal->images[$i]->film, $gal->images[$i]->darkroom, $gal->images[$i]->digital) = $temp[$i + 2];
//get image size and type
list($gal->images[$i]->width, $gal->images[$i]->height, $gal->images[$i]->type) = @GetImageSize($gal->images[$i]->realPath());
}
//otherwise just fill in empty images
} else {
if (count($temp) > 3) {
for ($i = 0; $i < count($temp) - 3; $i++) {
$gal->images[$i] = new sgImage($temp[$i + 2][0], $gal);
}
}
}
} else {
//no metadata found so use iifn method implemented in superclass
return parent::getGallery($galleryId, $parent, $getChildGalleries, $language);
}
//discover child galleries
$dir = Singapore::getListing($this->config->base_path . $this->config->pathto_galleries . $galleryId . "/");
if ($getChildGalleries) {
//but only fetch their info if required too
foreach ($dir->dirs as $gallery) {
$gal->galleries[] = $this->getGallery($galleryId . "/" . $gallery, $gal, $getChildGalleries - 1, $language);
}
} else {
//otherwise just copy their names in so they can be counted
$gal->galleries = $dir->dirs;
}
return $gal;
}
/**
* Fetches gallery info for the specified gallery and immediate children.
* @param string gallery id
* @param string language code spec for this request (optional)
* @param int number of levels of child galleries to fetch (optional)
*/
function &getGallery($galleryId, &$parent, $getChildGalleries = 1, $language = null)
{
$gal = new sgGallery($galleryId, $parent);
if ($language == null) {
$language = $this->config->default_language;
}
//try to open language specific gallery info
$res = $this->query("SELECT * FROM " . $this->config->sql_prefix . "galleries " . "WHERE id='" . $this->escape_string($galleryId) . "' " . "AND lang='" . $this->escape_string($language) . "'");
//if fail then try to open generic gallery info
if (!$res || !$this->num_rows($res)) {
$res = $this->query("SELECT * FROM " . $this->config->sql_prefix . "galleries " . "WHERE id='" . $this->escape_string($galleryId) . "' and lang=''");
}
//if that succeeds then get galleries from db
if ($res && $this->num_rows($res)) {
$galinfo = $this->fetch_array($res);
$gal->filename = $galinfo['filename'];
$gal->owner = $galinfo['owner'];
$gal->groups = $galinfo['groups'];
$gal->permissions = $galinfo['permissions'];
$gal->categories = $galinfo['categories'];
$gal->name = $galinfo['name'];
$gal->artist = $galinfo['artist'];
$gal->email = $galinfo['email'];
$gal->copyright = $galinfo['copyright'];
$gal->desc = $galinfo['description'];
$gal->summary = $galinfo['summary'];
$gal->date = $galinfo['date'];
$gal->hits = $galinfo['hits'];
$gal->lasthit = $galinfo['lasthit'];
//try to open language specific image info
$res = $this->query("SELECT * FROM " . $this->config->sql_prefix . "images " . "WHERE galleryid='" . $this->escape_string($galleryId) . "' " . "AND lang='" . $this->escape_string($language) . "'");
//if fail then try to open generic image info
if (!$res || !$this->num_rows($res)) {
$res = $this->query("SELECT * FROM " . $this->config->sql_prefix . "images " . "WHERE galleryid='" . $this->escape_string($galleryId) . "' and lang=''");
}
for ($i = 0; $i < $this->num_rows($res); $i++) {
$imginfo = $this->fetch_array($res);
$gal->images[$i] = new sgImage($imginfo['filename'], $gal);
$gal->images[$i]->thumbnail = $imginfo['thumbnail'];
$gal->images[$i]->owner = $imginfo['owner'];
$gal->images[$i]->groups = $imginfo['groups'];
$gal->images[$i]->permissions = $imginfo['permissions'];
$gal->images[$i]->categories = $imginfo['categories'];
$gal->images[$i]->name = $imginfo['name'];
$gal->images[$i]->artist = $imginfo['artist'];
$gal->images[$i]->email = $imginfo['email'];
$gal->images[$i]->copyright = $imginfo['copyright'];
$gal->images[$i]->desc = $imginfo['description'];
$gal->images[$i]->location = $imginfo['location'];
$gal->images[$i]->date = $imginfo['date'];
$gal->images[$i]->camera = $imginfo['camera'];
$gal->images[$i]->lens = $imginfo['lens'];
$gal->images[$i]->film = $imginfo['film'];
$gal->images[$i]->darkroom = $imginfo['darkroom'];
$gal->images[$i]->digital = $imginfo['digital'];
$gal->images[$i]->width = $imginfo['width'];
$gal->images[$i]->height = $imginfo['height'];
$gal->images[$i]->type = $imginfo['type'];
$gal->images[$i]->hits = $imginfo['hits'];
$gal->images[$i]->lasthit = $imginfo['lasthit'];
}
} else {
//no record found so use iifn method implemented in parent class
return parent::getGallery($galleryId, $parent, $getChildGalleries, $language);
}
//discover child galleries
$dir = Singapore::getListing($this->config->base_path . $this->config->pathto_galleries . $galleryId . "/");
if ($getChildGalleries) {
//but only fetch their info if required too
foreach ($dir->dirs as $gallery) {
$gal->galleries[] = $this->getGallery($galleryId . "/" . $gallery, $gal, $getChildGalleries - 1, $language);
}
} else {
//otherwise just copy their names in so they can be counted
$gal->galleries = $dir->dirs;
}
return $gal;
}
/**
* Adds the contents of an uploaded archive to the database.
*
* @return boolean true on success; false otherwise
*/
function addMultipleImages()
{
//find system temp directory
if (!($systmpdir = $this->findTempDirectory())) {
return $this->pushError($this->translator->_g("Unable to find temporary storage space."));
}
//create new temp directory in system temp dir but stop after 100 attempts
while (!Singapore::mkdir($tmpdir = $systmpdir . "/" . uniqid("sg")) && $tries++ < 100) {
}
$archive = $_FILES["sgArchiveFile"]["tmp_name"];
if (!is_uploaded_file($archive)) {
return $this->pushError($this->translator->_g("Could not upload file."));
}
//decompress archive to temp
$cmd = escapeshellcmd($this->config->pathto_unzip);
$cmd .= ' -d "' . escapeshellcmd(realpath($tmpdir));
$cmd .= '" "' . escapeshellcmd(realpath($archive)) . '"';
if (!exec($cmd)) {
return $this->pushError($this->translator->_g("Could not decompress archive."));
}
//start processing archive contents
$wd = $tmpdir;
$contents = $this->getListing($wd, $this->config->recognised_extensions);
//cope with archives contained within a directory
if (empty($contents->files) && count($contents->dirs) == 1) {
$contents = $this->getListing($wd .= '/' . $contents->dirs[0], $this->config->recognised_extensions);
}
$success = true;
//add any images to current gallery
foreach ($contents->files as $image) {
//check image is valid and ignore it if it isn't
if (!preg_match("/\\.(" . $this->config->recognised_extensions . ")\$/i", $image)) {
$imgInfo = GetImageSize($wd . '/' . $image);
switch ($imgInfo[2]) {
case 1:
$image .= '.gif';
break;
case 2:
$image .= '.jpg';
break;
case 3:
$image .= '.png';
break;
case 6:
$image .= '.bmp';
break;
case 7:
case 8:
$image .= '.tif';
break;
default:
$this->pushMessage($this->translator->_g("Uploaded image '%s' has unrecognised extension and image type could not be determined from file contents.", $image));
continue;
}
}
$path = $this->config->pathto_galleries . $this->gallery->id . "/" . $image;
$srcImage = $image;
if (file_exists($path)) {
switch ($this->config->upload_overwrite) {
case 1:
//overwrite
$this->deleteImage($image);
break;
case 2:
//generate unique
for ($i = 0; file_exists($path); $i++) {
$pivot = strrpos($srcImage, ".");
$image = substr($srcImage, 0, $pivot) . '-' . $i . substr($srcImage, $pivot, strlen($srcImage) - $pivot);
$path = $this->config->base_path . $this->config->pathto_galleries . $this->gallery->id . "/" . $image;
}
break;
case 0:
//raise error
//raise error
default:
$this->pushError($this->translator->_g("File '%s' already exists."));
$success = false;
continue;
}
}
copy($wd . '/' . $srcImage, $path);
// try to change file-permissions
@chmod($path, octdec($this->config->file_mode));
$img = new sgImage($image, $this->gallery);
$img->name = strtr(substr($image, strrpos($image, "/"), strrpos($image, ".") - strlen($image)), "_", " ");
list($img->width, $img->height, $img->type) = GetImageSize($path);
//leave owner of guest-uploaded files as default '__nobody__'
if (!$this->user->isGuest()) {
$img->owner = $this->user->username;
}
$this->gallery->images[] = $img;
}
//add any directories as subgalleries, if allowed
if ($this->config->allow_dir_upload == 1 && !$this->user->isGuest() || $this->config->allow_dir_upload == 2 && $this->user->isAdmin()) {
foreach ($contents->dirs as $gallery) {
$path = $this->config->pathto_galleries . $this->gallery->id . "/" . $gallery;
if (file_exists($path)) {
switch ($this->config->upload_overwrite) {
case 1:
//overwrite
$this->deleteGallery($this->gallery->id . '/' . $gallery);
break;
case 2:
//generate unique
for ($i = 0; file_exists($path); $i++) {
$path = $this->config->pathto_galleries . $this->gallery->id . "/" . $gallery . '-' . $i;
}
break;
case 0:
//raise error
//raise error
default:
$this->pushError($this->translator->_g("File '%s' already exists."));
$success = false;
continue;
}
}
//move from temp dir to gallery
rename($wd . '/' . $gallery, $path);
//change directory permissions (but not contents)
@chmod($path, octdec($this->config->directory_mode));
}
}
//if images were added save metadata
if (!empty($contents->files)) {
$this->io->putGallery($this->gallery) or $this->pushError($this->translator->_g("Unable to save metadata."));
}
//if subgalleries were added reload gallery data
if (!empty($contents->dirs)) {
$this->selectGallery();
}
//remove temporary directory
$this->rmdir_all($tmpdir);
if ($success) {
return $this->pushMessage($this->translator->_g("Archive contents added."));
} else {
return $this->pushError($this->translator->_g("Some archive contents could not be added."));
}
}
/**
* Recursively deletes all directories and files in the specified directory.
* USE WITH EXTREME CAUTION!!
* @returns boolean true on success; false otherwise
* @static
*/
function rmdir_all($wd)
{
if (!($dp = opendir($wd))) {
return false;
}
$success = true;
while (false !== ($entry = readdir($dp))) {
if ($entry == "." || $entry == "..") {
continue;
}
if (is_dir("{$wd}/{$entry}")) {
$success &= Singapore::rmdir_all("{$wd}/{$entry}");
} else {
$success &= unlink("{$wd}/{$entry}");
}
}
closedir($dp);
$success &= rmdir($wd);
return $success;
}
