public IActionResult GetRequisitionFile(string transID)
{
if (HttpContext.Session.GetString(Globals.currentPSPubK) == null || HttpContext.Session.GetString(Globals.currentPAPubK) == null)
{
return(RedirectToAction("Login"));
}
else
{
var result = _bigChainDbService.GetMetaDataAndAssetFromTransactionId <string, double>(transID);
var patientAgreePrivateKey = HttpContext.Session.GetString(Globals.currentPAPriK);
var patientSignPublicKey = HttpContext.Session.GetString(Globals.currentPSPubK);
if (result.metadata.AccessList.Keys.Contains(patientSignPublicKey))
{
var hashedKey = result.metadata.AccessList[patientSignPublicKey];
var dataDecryptionKey = EncryptionService.getDecryptedEncryptionKey(hashedKey, patientAgreePrivateKey);
var data = EncryptionService.getDecryptedAssetData(result.data.Data, dataDecryptionKey);
var asset = JsonConvert.DeserializeObject <TestRequisitionAsset>(data);
//get encrypted file from ipfs
string encryptedFileData = _bigChainDbService.GetTextFromIPFS(asset.AttachedFile.Data);
string fileData = EncryptionService.getDecryptedAssetData(encryptedFileData, dataDecryptionKey);
byte[] fileBytes = Convert.FromBase64String(fileData);
return(File(fileBytes, asset.AttachedFile.Type, asset.AttachedFile.Name));
}
return(new EmptyResult());
}
}