protected static function findItem($needles = null)
{
$app = JFactory::getApplication();
$menus = $app->getMenu('site');
// Prepare the reverse lookup array.
// Collect all menu items and creat an array that contains
// the ID from the query string of the menu item as a key,
// and the menu item id (Itemid) as a value
// Example:
// array( "category" =>
// 1(id) => 100 (Itemid),
// 2(id) => 101 (Itemid)
// );
if (self::$lookup === null) {
self::$lookup = array();
$component = JComponentHelper::getComponent(self::$component);
$items = $menus->getItems('component_id', $component->id);
if ($items) {
foreach ($items as $item) {
if (isset($item->query) && isset($item->query['view'])) {
$view = $item->query['view'];
if (!isset(self::$lookup[$view])) {
self::$lookup[$view] = array();
}
if (isset($item->query['id'])) {
self::$lookup[$view][$item->query['id']] = $item->id;
} else {
// If it is a root element that have no a request parameter ID ( categories, authors ), we set 0 for an key
self::$lookup[$view][0] = $item->id;
}
}
}
}
}
if ($needles) {
foreach ($needles as $view => $ids) {
if (isset(self::$lookup[$view])) {
foreach ($ids as $id) {
if (isset(self::$lookup[$view][(int) $id])) {
return self::$lookup[$view][(int) $id];
}
}
}
}
} else {
$active = $menus->getActive();
if ($active) {
return $active->id;
}
}
return null;
}
public function download()
{
// Check for request forgeries.
JSession::checkToken("post") or jexit(JText::_('JINVALID_TOKEN'));
$user = JFactory::getUser();
$data = $this->input->post->get("jform", array(), "array");
$fileId = JArrayHelper::getValue($data, "file_id", 0, "int");
$userId = $user->get("id");
// Validate the user.
if (!$userId) {
$this->setRedirect(JRoute::_('index.php?option=com_users&view=login', false), JText::_('COM_IDENTITYPROOF_ERROR_NOT_LOG_IN'));
return;
}
// Validate the item owner.
jimport("identityproof.validator.file.owner");
$validator = new IdentityProofValidatorFileOwner(JFactory::getDbo(), $fileId, $userId);
if (!$validator->isValid()) {
$this->setRedirect(JRoute::_(IdentityProofHelperRoute::getProofRoute(), false), JText::_('COM_IDENTITYPROOF_ERROR_INVALID_ITEM'));
return;
}
// Validate the password.
$password = JArrayHelper::getValue($data, "password", null, "string");
$match = JUserHelper::verifyPassword($password, $user->get("password"), $userId);
if (!$match) {
$this->setRedirect(JRoute::_(IdentityProofHelperRoute::getProofRoute(), false), JText::_('COM_IDENTITYPROOF_ERROR_INVALID_ITEM'));
return;
}
$params = JComponentHelper::getParams("com_identityproof");
/** @var $params Joomla\Registry\Registry */
try {
// Load file data.
jimport("identityproof.file");
$file = new IdentityProofFile(JFactory::getDbo());
$keys = array("id" => $fileId, "user_id" => $userId);
$file->load($keys);
// Prepare keys.
$keys = array("private" => $file->getPrivate(), "public" => $file->getPublic());
// Prepare meta data
$fileSize = $file->getMetaData("filesize");
$mimeType = $file->getMetaData("mime_type");
// Decrypt the file.
$filePath = JPath::clean($params->get("files_path") . DIRECTORY_SEPARATOR . $file->getFilename());
$output = file_get_contents($filePath);
$output = IdentityProofHelper::decrypt($keys, $output);
} catch (Exception $e) {
JLog::add($e->getMessage());
throw new Exception(JText::_('COM_IDENTITYPROOF_ERROR_SYSTEM'));
}
$app = JFactory::getApplication();
$app->setHeader('Content-Type', $mimeType, true);
$app->setHeader('Cache-Control', 'must-revalidate, post-check=0, pre-check=0', true);
$app->setHeader('Content-Transfer-Encoding', 'binary', true);
$app->setHeader('Pragma', 'no-cache', true);
$app->setHeader('Expires', '0', true);
$app->setHeader('Content-Disposition', 'attachment; filename=' . $file->getFilename(), true);
$app->setHeader('Content-Length', $fileSize, true);
$doc = JFactory::getDocument();
$doc->setMimeEncoding($mimeType);
$app->sendHeaders();
echo $output;
$app->close();
}
