public IActionResult GetResultFile(string transID)
{
var result = _bigChainDbService.GetMetaDataAndAssetFromTransactionId <string, double>(transID);
var doctorSignPrivateKey = HttpContext.Session.GetString(Globals.currentDSPriK);
var doctorAgreePrivateKey = HttpContext.Session.GetString(Globals.currentDAPriK);
var doctorSignPublicKey = EncryptionService.getSignPublicKeyStringFromPrivate(doctorSignPrivateKey);
if (result.metadata.AccessList.Keys.Contains(doctorSignPublicKey))
{
var hashedKey = result.metadata.AccessList[doctorSignPublicKey];
var dataDecryptionKey = EncryptionService.getDecryptedEncryptionKey(hashedKey, doctorAgreePrivateKey);
var encryptedFile = _bigChainDbService.GetAssociatedTestResultFile(result.id);
if (encryptedFile != "")
{
var data = EncryptionService.getDecryptedAssetData(encryptedFile, dataDecryptionKey);
var asset = JsonConvert.DeserializeObject <FileData>(data);
//get encrypted file from ipfs
string encryptedFileData = _bigChainDbService.GetTextFromIPFS(asset.Data);
string fileData = EncryptionService.getDecryptedAssetData(encryptedFileData, dataDecryptionKey);
byte[] fileBytes = Convert.FromBase64String(fileData);
return(File(fileBytes, asset.Type, asset.Name));
}
}
return(new EmptyResult());
}