function generate_thumb($path, $prefix, $type = THUMB_SMALL)
{
global $config, $thumbnail_config;
$thumb_config = $thumbnail_config[$type];
// For relative paths assume that they are relative to 'plog-content/images/' directory,
// otherwise just use the given path
if (file_exists($path)) {
$source_file_name = $path;
if ($type == THUMB_THEME) {
$cache_path = 'themes/';
} else {
$cache_path = 'uploads/';
}
} else {
$source_file_name = $config['basedir'] . 'plog-content/images/' . SmartStripSlashes($path);
$cache_path = dirname(SmartStripSlashes($path)) . '/' . $thumb_config['type'] . '/';
}
// The file might have been deleted and since phpThumb dies in that case
// try to do something sensible so that the rest of the images can still be seen
// There is a problem in safe mode - if the script and picture file are owned by
// different users, then the file cannot be read.
if (!is_readable($source_file_name)) {
return false;
}
$imgdata = @getimagesize($source_file_name);
if (!$imgdata) {
// Unknown image format, bail out
// Do we want to have video support in the Plogger core?
//return 'plog-graphics/thumb-video.gif';
return false;
}
// Attributes of original image
$orig_width = $imgdata[0];
$orig_height = $imgdata[1];
// XXX: food for thought - maybe we can return URL to some kind of error image
// if this function fails?
$base_filename = sanitize_filename(basename($path));
if ($thumb_config['disabled']) {
return $config['gallery_url'] . 'plog-content/images/' . $path;
}
$prefix = $prefix . '-';
$thumbpath = $config['basedir'] . 'plog-content/thumbs/' . $cache_path . $prefix . $base_filename;
$thumburl = $config['gallery_url'] . 'plog-content/thumbs/' . $cache_path . $prefix . $base_filename;
// If thumbnail file already exists and is generated after data for a thumbnail type
// has been changed, then we assume that the thumbnail is valid.
if (file_exists($thumbpath)) {
$thumbnail_timestamp = @filemtime($thumbpath);
if ($thumb_config['timestamp'] < $thumbnail_timestamp) {
return $thumburl;
}
}
// Create the same directory structure as the image under plog-content/thumbs/
include_once PLOGGER_DIR . 'plog-admin/plog-admin-functions.php';
if (!makeDirs(dirname($thumbpath))) {
return sprintf(plog_tr('Error creating path %s'), dirname($thumbpath));
}
// If dimensions of source image are smaller than those of the requested
// thumbnail, then use the original image as thumbnail unless fullsize images are disabled
if ($orig_width <= $thumb_config['size'] && $orig_height <= $thumb_config['size']) {
// if fullsize image access is disabled, copy the file to the thumbs folder
if ($config['allow_fullpic'] == 0) {
copy($source_file_name, $thumbpath);
return $thumburl;
// otherwise return the original file path
} else {
return $config['gallery_url'] . 'plog-content/images/' . $path;
}
}
// No existing thumbnail found or thumbnail config has changed,
// generate new thumbnail file
require_once PLOGGER_DIR . 'plog-includes/lib/phpthumb/phpthumb.class.php';
$phpThumb = new phpThumb();
// Set data
$phpThumb->setSourceFileName($source_file_name);
switch ($thumb_config['resize_option']) {
// Resize to width
case 0:
$phpThumb->w = $thumb_config['size'];
break;
// Resize to height
// Resize to height
case 1:
$phpThumb->h = $thumb_config['size'];
break;
// Use square thumbnails
// Use square thumbnails
case 3:
$phpThumb->zc = 1;
$phpThumb->h = $thumb_config['size'];
$phpThumb->w = $thumb_config['size'];
break;
// Resize to longest side
// Resize to longest side
case 2:
default:
if ($imgdata[0] > $imgdata[1]) {
$phpThumb->w = $thumb_config['size'];
} else {
$phpThumb->h = $thumb_config['size'];
}
}
$phpThumb->q = $config['compression'];
if ($type == THUMB_NAV) {
$phpThumb->zc = 1;
$phpThumb->h = $thumb_config['size'];
$phpThumb->w = $thumb_config['size'];
}
if ($type == THUMB_THEME) {
$phpThumb->w = $thumb_config['size'];
}
// Set options (see phpThumb.config.php)
// here you must preface each option with "config_"
// Disable ImageMagick - set to false for localhost testing
// ImageMagick seems to cause some issues on localhost using FF or Chrome
$phpThumb->config_prefer_imagemagick = false;
// We want to use the original image for thumbnail creation, not the EXIF stored thumbnail
$phpThumb->config_use_exif_thumbnail_for_speed = false;
// Set error handling (optional)
$phpThumb->config_error_die_on_error = false;
// If safe_mode enabled, open the permissions first
if (is_safe_mode()) {
$thumb_path = dirname($thumbpath) . '/';
chmod_ftp($thumb_path, 0777);
}
// Generate & output thumbnail
if ($phpThumb->GenerateThumbnail()) {
$phpThumb->RenderToFile($thumbpath);
} else {
// do something with debug/error messages
die('Failed: ' . implode("\n", $phpThumb->debugmessages));
}
@chmod($thumbpath, PLOGGER_CHMOD_FILE);
// If safe_mode enabled, close the permissions back down to the default
if (is_safe_mode()) {
chmod_ftp($thumb_path);
}
return $thumburl;
}
// Let's decompress the zip file into the 'plog-content/uploads/' folder and then redirect the user to plog-import.php
include PLOGGER_DIR . 'plog-includes/lib/pclzip-2-4/pclzip.lib.php';
// Zip file to extract
$archive = new PclZip($_FILES['userfile']['tmp_name']);
// Create a temporary folder in 'plog-content/uploads/' based on the .zip file name
$zipname = strtolower(sanitize_filename(substr($_FILES['userfile']['name'], 0, -4)));
$zipdir = $config['basedir'] . 'plog-content/uploads/' . $zipname;
$zipdirkey = md5($zipdir);
$zipresult = makeDirs($zipdir);
if (is_safe_mode()) {
chmod_ftp($zipdir, 0777);
}
// Extract to 'plog-content/uploads/' folder
$results = $archive->extract(PCLZIP_OPT_REMOVE_ALL_PATH, PCLZIP_OPT_PATH, $zipdir);
if (is_safe_mode()) {
chmod_ftp($zipdir);
}
if ($results == 0) {
// Failed
$output .= "\n\t" . '<p class="errors">' . plog_tr('Error') . ': ' . $archive->errorInfo(true) . '</p>' . "\n";
} else {
// Unzip succeeded - doesn't necessarily mean that saving the images succeeded
$errors = array();
foreach ($results as $r) {
if ($r['status'] != 'ok') {
$errors[] = $r;
}
}
if (empty($errors)) {
// Let's redirect to the import interface.
header('location: plog-import.php?directory=' . $zipdirkey);
function makeDirs_ftp($path)
{
global $config, $PLOGGER_FTP;
$return = false;
$ftp_path = str_replace($config['basedir'], '', $path);
$ftp_dir = dirname($ftp_path);
$ftp_new_dir = str_replace($ftp_dir . '/', '', $ftp_path);
if (!isset($PLOGGER_FTP)) {
// Check if connection was made
$ftp_connection = connect_ftp();
if ($ftp_connection === false) {
return $return;
}
}
ftp_chdir($PLOGGER_FTP, $config['ftp_path'] . $ftp_dir);
// Go to destination dir
$ftp_create_dir = ftp_mkdir($PLOGGER_FTP, $ftp_new_dir);
// Create directory
if ($ftp_create_dir) {
chmod_ftp($path, 0777);
configure_blank_index($path);
$chmod = decoct(PLOGGER_CHMOD_DIR);
$ftp_exec_dir = ftp_site($PLOGGER_FTP, 'CHMOD ' . $chmod . ' ' . $ftp_new_dir . '/');
}
if ($ftp_exec_dir) {
$return = true;
} else {
echo 'could not chmod!';
}
return $return;
}
