/**
* Will forward to the regular swf player according to the widget_id
*/
public function execute()
{
requestUtils::handleConditionalGet();
$file_sync_id = $this->getRequestParameter("id");
$hash = $this->getRequestParameter("hash");
$file_name = $this->getRequestParameter("fileName");
if ($file_name) {
$file_name = base64_decode($file_name);
}
$file_sync = FileSyncPeer::retrieveByPk($file_sync_id);
if (!$file_sync) {
$current_dc_id = kDataCenterMgr::getCurrentDcId();
$error = "DC[{$current_dc_id}]: Cannot find FileSync with id [{$file_sync_id}]";
KalturaLog::err($error);
KExternalErrors::dieError(KExternalErrors::FILE_NOT_FOUND);
}
KalturaMonitorClient::initApiMonitor(false, 'extwidget.serveFile', $file_sync->getPartnerId());
kDataCenterMgr::serveFileToRemoteDataCenter($file_sync, $hash, $file_name);
die;
}
public static function serveFileToRemoteDataCenter($file_sync_id, $file_hash, $file_name)
{
KalturaLog::log("File sync id [{$file_sync_id}], file_hash [{$file_hash}], file_name [{$file_name}]");
// TODO - verify security
$current_dc = self::getCurrentDc();
$current_dc_id = $current_dc["id"];
// retrieve the object
$file_sync = FileSyncPeer::retrieveByPk($file_sync_id);
if (!$file_sync) {
$error = "DC[{$current_dc_id}]: Cannot find FileSync with id [{$file_sync_id}]";
KalturaLog::err($error);
throw new Exception($error);
}
if ($file_sync->getDc() != $current_dc_id) {
$error = "DC[{$current_dc_id}]: FileSync with id [{$file_sync_id}] does not belong to this DC";
KalturaLog::err($error);
throw new Exception($error);
}
// resolve if file_sync is link
$file_sync_resolved = $file_sync;
if ($file_sync->getFileType() == FileSync::FILE_SYNC_FILE_TYPE_LINK) {
$file_sync_resolved = kFileSyncUtils::resolve($file_sync);
}
// check if file sync path leads to a file or a directory
$resolvedPath = $file_sync_resolved->getFullPath();
$fileSyncIsDir = is_dir($resolvedPath);
if ($fileSyncIsDir && $file_name) {
$resolvedPath .= '/' . $file_name;
}
if (!file_exists($resolvedPath)) {
$file_name_msg = $file_name ? "file name [{$file_name}] " : '';
$error = "DC[{$current_dc_id}]: Path for fileSync id [{$file_sync_id}] " . $file_name_msg . "does not exist";
KalturaLog::err($error);
throw new Exception($error);
}
// validate the hash
$expected_file_hash = md5($current_dc["secret"] . $file_sync_id);
// will be verified on the other side to make sure not some attack or external invalid request
if ($file_hash != $expected_file_hash) {
$error = "DC[{$current_dc_id}]: FileSync with id [{$file_sync_id}] - invalid hash";
KalturaLog::err($error);
throw new Exception($error);
}
if ($fileSyncIsDir && is_dir($resolvedPath)) {
KalturaLog::log("Serving directory content from [" . $resolvedPath . "]");
$contents = kFile::listDir($resolvedPath);
sort($contents, SORT_STRING);
$contents = serialize($contents);
header("file-sync-type: dir");
echo $contents;
die;
} else {
KalturaLog::log("Serving file from [" . $resolvedPath . "]");
kFile::dumpFile($resolvedPath);
}
}
