public function canUpload($filePath, $trimPath = true)
{
$params = JUDownloadHelper::getParams();
$legal_upload_extensions = $params->get('legal_upload_extensions', 'bmp,csv,doc,gif,ico,jpg,jpeg,odg,odp,ods,odt,pdf,png,ppt,swf,txt,xcf,xls,zip,rar');
$max_upload_file_size = (int) ($params->get('max_upload_file_size', 10) * 1024 * 1024);
$check_mime = $params->get('check_mime_uploaded_file', 0);
$legal_mime = $params->get('legal_mime_types', 'image/jpeg,image/gif,image/png,image/bmp,application/x-shockwave-flash,application/msword,application/excel,application/pdf,application/powerpoint,text/plain,application/zip,application/zip,application/x-rar-compressed');
$ignored_extensions = $params->get('ignored_extensions', '');
$image_extensions = $params->get('image_extensions', 'bmp,gif,jpg,png');
$file = array();
$file['tmp_name'] = $filePath;
$file['name'] = basename($file['tmp_name']);
if ($trimPath) {
$file['name'] = substr($file['name'], 0, -5);
}
$file['size'] = filesize($file['tmp_name']);
$error = array();
return JUDownloadFrontHelperPermission::canUpload($file, $error, $legal_upload_extensions, $max_upload_file_size, $check_mime, $legal_mime, $ignored_extensions, $image_extensions);
}
public function filterField($values)
{
$oldImages = $values;
$app = JFactory::getApplication();
$newImages = $app->input->files->get('field_' . $this->id);
$gallery = $gallery['old'] = $gallery['new'] = array();
$params = JUDownloadHelper::getParams(null, $this->doc_id);
$maxUploadImage = 4;
$count = 0;
if ($this->doc_id)
{
$db = JFactory::getDbo();
$query = 'SELECT id FROM #__judownload_images WHERE doc_id = ' . (int) $this->doc_id;
$db->setQuery($query);
$imageIds = $db->loadColumn();
foreach ($oldImages AS $key => $image)
{
if (!in_array($image['id'], $imageIds))
{
continue;
}
if ($maxUploadImage > 0 && $count >= $maxUploadImage)
{
break;
}
$gallery['old'][] = $image;
if (!$image['remove'])
{
$count++;
}
}
}
$error = array();
if ($newImages && (($count < $maxUploadImage && $maxUploadImage > 0) || $maxUploadImage <= 0))
{
$legal_extensions = "jpeg,jpg,png,gif,bmp";
$legal_mime = "image/jpeg,image/pjpeg,image/png,image/gif,image/bmp,image/x-windows-bmp";
$image_min_width = $params->get("image_min_width", 50);
$image_min_height = $params->get("image_min_height", 50);
$image_max_width = $params->get("image_max_width", 1024);
$image_max_height = $params->get("image_max_height", 1024);
$image_max_size = $params->get("image_max_size", 400) * 1024;
$num_files_exceed_limit = 0;
$num_files_invalid_dimension = 0;
foreach ($newImages AS $image)
{
if ($image['name'])
{
$image['name'] = str_replace(' ', '_', JFile::makeSafe($image['name']));
if ($count >= $maxUploadImage)
{
$num_files_exceed_limit++;
continue;
}
if (!JUDownloadFrontHelperPermission::canUpload($image, $error, $legal_extensions, $image_max_size, true, $legal_mime, '', $legal_extensions))
{
continue;
}
$image_dimension = getimagesize($image['tmp_name']);
if ($image_dimension[0] < $image_min_width || $image_dimension[1] < $image_min_height || $image_dimension[0] > $image_max_width || $image_dimension[1] > $image_max_height)
{
$num_files_invalid_dimension++;
continue;
}
$gallery['new'][] = $image;
$count++;
}
}
$app = JFactory::getApplication();
if ($error)
{
foreach ($error AS $key => $count)
{
switch ($key)
{
case 'WARN_SOURCE':
case 'WARN_FILENAME':
case 'WARN_FILETYPE':
case 'WARN_FILETOOLARGE' :
case 'WARN_INVALID_IMG' :
case 'WARN_INVALID_MIME' :
case 'WARN_IEXSS' :
$error_str = JText::plural("COM_JUDOWNLOAD_N_FILE_" . $key, $count);
break;
}
$app->enqueueMessage($error_str, 'notice');
}
}
if ($num_files_exceed_limit)
{
$image_upload_limit = JUDownloadHelper::formatBytes($image_max_size * 1024);
$app->enqueueMessage(JText::plural('COM_JUDOWNLOAD_N_IMAGES_ARE_NOT_SAVED_BECAUSE_THEY_EXCEEDED_FILE_SIZE_LIMIT', $num_files_exceed_limit, $image_upload_limit), 'notice');
}
if ($num_files_invalid_dimension)
{
$app->enqueueMessage(JText::plural('COM_JUDOWNLOAD_N_IMAGES_ARE_NOT_SAVED_BECAUSE_THEY_ARE_NOT_VALID_DIMENSION', $num_files_invalid_dimension, $image_min_width, $image_max_width, $image_min_height, $image_max_height), 'notice');
}
}
$gallery['count'] = $count;
return $gallery;
}
