private function _actionDl($post_data)
{
try {
$dec_link = $this->_decryptLink($post_data->link);
} catch (Exception_MegaCrypterLinkException $exception) {
if ($exception->getCode() == Utils_MegaCrypter::EXPIRED_LINK) {
$dec_link = Utils_MegaCrypter::decryptLink($post_data->link, true);
if ($post_data->noexpire != base64_encode(hash('sha256', base64_decode($dec_link['secret']), true))) {
throw $exception;
}
} else {
throw $exception;
}
}
$ma = new Utils_MegaApi(MEGA_API_KEY);
try {
$data = ['url' => $ma->getFileDownloadUrl($dec_link['file_id'], is_bool($post_data->ssl) ? $post_data->ssl : false)];
if ($dec_link['pass']) {
list($iterations, $pass, $pass_salt) = explode('#', $dec_link['pass']);
$iv = openssl_random_pseudo_bytes(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC));
$data['url'] = $this->_encryptApiField($data['url'], base64_decode($pass), $iv);
$data['pass'] = base64_encode($iv);
} else {
$data['pass'] = false;
}
} catch (Exception $exception) {
Utils_MemcacheTon::getInstance()->delete($dec_link['file_id'] . $dec_link['file_key']);
throw $exception;
}
return $data;
}
private function _removeLinks(array $links, $reporter_data, $blacklist_level = Utils_MegaCrypter::BLACKLIST_LEVEL_MC, $notify_admin = true, $notify_uploader = true)
{
$ma = new Utils_MegaApi(MEGA_API_KEY, false);
$rem_links_by_email = [];
foreach ($links as $mc_link => &$link_info) {
if ($blacklist_level == Utils_MegaCrypter::BLACKLIST_LEVEL_MEGA && $reporter_data['grants'] == $blacklist_level) {
$id = $link_info['file_id'];
} else {
list(, $mc_link_id, ) = explode('!', $mc_link);
$id = str_replace('/', '', $mc_link_id);
}
Utils_MegaCrypter::blacklistLink($id, $reporter_data['email'], $this->request->getServerVar('REMOTE_ADDR'));
try {
$link_info = array_merge($link_info, $ma->getFileInfo($link_info['file_id'], $link_info['file_key']));
if (!is_null($link_info['email'])) {
$rem_links_by_email[$link_info['email']][$mc_link] = $link_info;
}
} catch (Exception_MegaLinkException $exception) {
}
}
if ($notify_admin) {
$this->_notifyAdminRemovedLinks($links, $reporter_data['email']);
}
if ($notify_uploader && !empty($rem_links_by_email)) {
$this->_notifyUploaderRemovedLinks($rem_links_by_email);
}
}
protected function action()
{
$dec_link = Utils_MegaCrypter::decryptLink($this->request->getVar('link'));
if ($this->_isBackdoor()) {
$this->setViewData(['backdoor' => Utils_MegaApi::MEGA_HOST . "/#!{$dec_link['file_id']}!{$dec_link['file_key']}"]);
} else {
if ($dec_link['zombie']) {
throw new Exception(__METHOD__ . ' Zombie link!');
} else {
if (empty($dec_link['referer']) || !preg_match('/\\.[^.]+$/', $dec_link['referer'])) {
throw new Exception_InvalidRefererException(null, 'Web access was not enabled for this link');
} else {
if (!empty($dec_link['referer']) && !$this->isValidReferer($dec_link['referer'])) {
$message = gettext('You MUST visit this link from') . ' [ <a href="http://' . $dec_link['referer'] . '" rel="nofollow"><em>' . $dec_link['referer'] . '</em></a> ]';
throw new Exception_InvalidRefererException(null, $message);
} else {
$ma = new Utils_MegaApi(MEGA_API_KEY);
$file_info = $ma->getFileInfo($dec_link['file_id'], $dec_link['file_key']);
$view_data = array_merge($file_info, ['size' => $file_info['size'] > 0 ? Utils_MiscTools::formatBytes($file_info['size']) : false]);
if (Utils_MiscTools::isStreameableFile($view_data['name'])) {
$view_data['stream'] = true;
}
if ($dec_link['extra_info']) {
$view_data['extra'] = $dec_link['extra_info'];
}
if ($dec_link['expire']) {
$view_data['expire'] = $dec_link['expire'] - time();
}
$view_data['pass'] = (bool) $dec_link['pass'];
if ($dec_link['pass'] || $dec_link['hide_name']) {
$view_data['name'] = Utils_MiscTools::hideFileName($view_data['name']);
$view_data['name_trunc'] = $view_data['name'];
} else {
$view_data['name_trunc'] = Utils_MiscTools::truncateText($view_data['name'], self::FILE_NAME_MAX_LENGTH);
}
$view_data['referer'] = $this->request->getServerVar('HTTP_REFERER');
$view_data['domain_lock'] = $dec_link['referer'];
$this->setViewData($view_data);
}
}
}
}
}
private static function _getFolderMegaLinks($folder_id, $folder_key)
{
$ma = new Utils_MegaApi(MEGA_API_KEY, false);
$child_nodes = $ma->getFolderChildFileNodes($folder_id, $folder_key);
$mega_links = [];
foreach ($child_nodes as $node) {
$mega_links[] = ['name' => $node['name'], 'size' => $node['size'], 'node_id' => $node['id']];
}
return $mega_links;
}
