public static function getMultipartUploadContext($UploadId)
{
$encryptionDir = KS3_API_PATH . DIRECTORY_SEPARATOR . "cache" . DIRECTORY_SEPARATOR . "encryption" . DIRECTORY_SEPARATOR;
if (!EncryptionUtil::multipartUploadContextExists($UploadId)) {
throw new Ks3ClientException("can not found multipart upload context in cache dir");
}
$jsonString = file_get_contents($encryptionDir . $UploadId);
$arry = json_decode($jsonString, TRUE);
return $arry;
}
public function completeMultipartUploadSecurely($args = array())
{
$uploadId = $args["Options"]["uploadId"];
$exists = EncryptionUtil::multipartUploadContextExists($uploadId);
if (!$exists) {
throw new Ks3ClientException("no such upload in cache/encryption/");
}
$context = EncryptionUtil::getMultipartUploadContext($uploadId);
if (!$context["lastPart"]) {
throw new Ks3ClientException("Unable to complete an encrypted multipart upload without being told which part was the last. when upload part you can add item in args like args[\"LastPart\"]=TRUE");
}
$result = $this->ks3client->completeMultipartUpload($args);
if (ENCRYPTPTION_STORAGE_MODE == "InstructionFile") {
$req = EncryptionUtil::createInstructionFile($args["Bucket"], $args["Key"], $context["encryptedCek"], $context["firstIv"], $context["matdesc"]);
$this->ks3client->putObjectByContent($req);
}
EncryptionUtil::deleteMultipartUploadContext($uploadId);
return $result;
}
