/**
* Serves multiple files for synchronization between datacenters
*/
public function execute()
{
$fileSyncIds = $this->getRequestParameter("ids");
$hash = $this->getRequestParameter("hash");
// validate hash
$currentDc = kDataCenterMgr::getCurrentDc();
$currentDcId = $currentDc["id"];
$expectedHash = md5($currentDc["secret"] . $fileSyncIds);
if ($hash !== $expectedHash) {
$error = "Invalid hash - ids [{$fileSyncIds}] got [{$hash}] expected [{$expectedHash}]";
KalturaLog::err($error);
KExternalErrors::dieError(KExternalErrors::INVALID_TOKEN);
}
// load file syncs
$fileSyncs = FileSyncPeer::retrieveByPks(explode(',', $fileSyncIds));
if ($fileSyncs) {
KalturaMonitorClient::initApiMonitor(false, 'extwidget.serveMultiFile', $fileSyncs[0]->getPartnerId());
}
// resolve file syncs
$filePaths = array();
foreach ($fileSyncs as $fileSync) {
if ($fileSync->getDc() != $currentDcId) {
$error = "FileSync id [" . $fileSync->getId() . "] does not belong to this DC";
KalturaLog::err($error);
KExternalErrors::dieError(KExternalErrors::BAD_QUERY);
}
// resolve if file_sync is link
$fileSyncResolved = kFileSyncUtils::resolve($fileSync);
// check if file sync path leads to a file or a directory
$resolvedPath = $fileSyncResolved->getFullPath();
if (is_dir($resolvedPath)) {
$error = "FileSync id [" . $fileSync->getId() . "] is a directory";
KalturaLog::err($error);
KExternalErrors::dieError(KExternalErrors::BAD_QUERY);
}
if (!file_exists($resolvedPath)) {
$error = "Path [{$resolvedPath}] for fileSync id [" . $fileSync->getId() . "] does not exist";
KalturaLog::err($error);
continue;
}
$filePaths[$fileSync->getId()] = $resolvedPath;
}
$boundary = md5(uniqid('', true));
header('Content-Type: multipart/form-data; boundary=' . $boundary);
foreach ($filePaths as $id => $filePath) {
echo "--{$boundary}\n";
echo "Content-Type: application/octet-stream\n";
echo "Content-Disposition: form-data; name=\"{$id}\"\n\n";
readfile($filePath);
echo "\n";
}
echo "--{$boundary}--\n";
KExternalErrors::dieGracefully();
}
