public function addFileInfo(&$file, $filePath, $destDir)
{
$params = JUDownloadHelper::getParams();
if (function_exists('finfo_open')) {
$finfo = finfo_open(FILEINFO_MIME);
$file['mime_type'] = finfo_file($finfo, $filePath);
finfo_close($finfo);
} elseif (function_exists('mime_content_type')) {
$file['mime_type'] = mime_content_type($filePath);
}
$file['size'] = filesize($filePath);
if ($params->get('auto_generate_md5_checksum', 2) == 2 && $file['size'] <= $params->get("max_filesize_auto_generate_checksum", 100) * 1024 * 1024 || $params->get('auto_generate_md5_checksum', 2) == 1) {
$file['md5_checksum'] = hash_file('md5', $filePath);
} else {
$file['md5_checksum'] = '';
}
if ($params->get('auto_generate_crc32_checksum', 2) == 2 && $file['size'] <= $params->get("max_filesize_auto_generate_checksum", 100) * 1024 * 1024 || $params->get('auto_generate_crc32_checksum', 2) == 1) {
return $file['crc32_checksum'] = hash_file('crc32b', $filePath);
} else {
$file['crc32_checksum'] = '';
}
do {
$file['file_name'] = md5($file['file_name'] . JUDownloadHelper::generateRandomString(10)) . "." . JFile::getExt($file['file_name']);
$dest = $destDir . $file['doc_id'] . "/" . $file['file_name'];
} while (JFile::exists($dest));
}
public function remoteFile()
{
$app = JFactory::getApplication();
if (!$this->isValidUploadURL() || !JUDownloadFrontHelperPermission::canUploadFromUrl($app->input->get('doc_id', null))) {
$result = array();
$result['success'] = 0;
$result['alert'] = JText::_('COM_JUDOWNLOAD_YOU_ARE_NOT_AUTHORIZED_TO_UPLOAD_FILE');
JUDownloadHelper::obCleanData();
echo json_encode($result);
exit;
}
$type = $app->input->get('type', '');
$result = array();
$file_directory = JPATH_ROOT . "/" . JUDownloadFrontHelper::getDirectory("file_directory", "media/com_judownload/files/");
$file_directory_tmp = $file_directory . "tmp/";
if (!JFolder::exists($file_directory_tmp)) {
JFolder::create($file_directory_tmp);
$file_index = $file_directory_tmp . 'index.html';
$buffer = "<!DOCTYPE html><title></title>";
JFile::write($file_index, $buffer);
}
if (!is_writable($file_directory_tmp)) {
$file_directory_tmp = sys_get_temp_dir() . "/plupload/";
}
if ($type === 'loadtransfer') {
$source_url = $app->input->get('source_url', '', 'string');
if (!$source_url) {
$result['success'] = 0;
$result['alert'] = JText::_('COM_JUDOWNLOAD_SOURCE_URL_IS_MISSING');
}
$file = $this->loadTransfer($source_url);
if ($file) {
$file_name = end(explode("/", $source_url));
$file_extension = end(explode(".", $file_name));
do {
$target_name = md5(JUDownloadHelper::generateRandomString(10)) . "." . $file_extension;
} while (JFile::exists($file_directory_tmp . $target_name));
$result['success'] = 1;
$result['size'] = (int) $file[1];
$result['type'] = (string) $file[2];
$result['name'] = $file_name;
$result['target_name'] = $target_name;
} else {
$result['success'] = 0;
$result['alert'] = JText::_('COM_JUDOWNLOAD_INVALID_FILE');
}
} elseif ($type === 'transferfile') {
$target_name = $app->input->get('target_name', '', 'string');
$source_url = $app->input->get('source_url', '', 'string');
if (!$source_url) {
$result['success'] = 0;
$result['alert'] = JText::_('COM_JUDOWNLOAD_INVALID_SOURCE_URL');
} elseif (!$target_name) {
$result['success'] = 0;
$result['alert'] = JText::_('COM_JUDOWNLOAD_INVALID_TARGET_NAME');
} elseif ($this->remoteDownload($source_url, $file_directory_tmp . $target_name, 1024)) {
$result['success'] = 1;
$result['alert'] = JText::_('COM_JUDOWNLOAD_DOWNLOAD_REMOTE_FILE_SUCCESSFULLY');
} else {
$result['success'] = 0;
$result['alert'] = JText::_('COM_JUDOWNLOAD_FAIL_TO_DOWNLOAD_REMOTE_FILE');
}
} elseif ($type === 'getprocess') {
$target_name = $app->input->get('target_name', '', 'string');
$file_size = $app->input->getInt('file_size', 0);
$current_size = filesize($file_directory_tmp . $target_name);
if ($current_size === false || !$file_size) {
$result['success'] = 0;
$result['alert'] = JText::_('COM_JUDOWNLOAD_FAIL_TO_GET_FILE_TRANSFER_STATUS');
} else {
if ($current_size >= $file_size) {
$percent = 100;
} else {
$percent = round($current_size / $file_size * 100);
}
$result['success'] = 1;
$result['alert'] = '';
$result['percent'] = $percent;
}
}
if ($type === 'cancel') {
$target_name = $app->input->get('target_name', '', 'string');
if (JFile::exists($file_directory_tmp . $target_name)) {
JFile::delete($file_directory_tmp . $target_name);
}
}
JUDownloadHelper::obCleanData();
echo json_encode($result);
exit;
}
public static function generateImageNameByDocument($doc_id, $file_name)
{
if (!$doc_id || !$file_name) {
return "";
}
$dir_document_ori = JPATH_ROOT . "/" . JUDownloadFrontHelper::getDirectory("document_original_image_directory", "media/com_judownload/images/gallery/original/") . $doc_id . "/";
$info = pathinfo($file_name);
$document = JUDownloadHelper::getDocumentById($doc_id);
$replace = array('id' => $document->id, 'category' => '', 'document' => $document->title, 'image_name' => $info['filename']);
$base_file_name = JUDownloadHelper::parseImageNameByTags($replace, 'document', null, $document->id) . "." . $info['extension'];
$img_file_name = $base_file_name;
$img_path_ori = $dir_document_ori . $img_file_name;
while (JFile::exists($img_path_ori)) {
$img_file_name = JUDownloadHelper::generateRandomString(3) . "-" . $base_file_name;
$img_path_ori = $dir_document_ori . $img_file_name;
}
return $img_file_name;
}
