public async Task <string> downloadEmergencyEHR()
{
IpfsFacilitator ipfs = new IpfsFacilitator();
string encryptedEHR = await ipfs.getFile(ipfs_path, "");
// decrypt ehr data
CipherFacilitator cipher = new CipherFacilitator();
cipher.setKey(encryption_key);
cipher.setIV(encryption_iv);
return(cipher.decrypt(encryptedEHR));
}
static public async Task <string> backupEHR(string walletId, string ehrJson)
{
// encrypt ehr data
CipherFacilitator cipher = new CipherFacilitator();
string encryptedEHR = cipher.encrypt(ehrJson);
string relPath = walletId + "ESjson.temp";
IOFacilitator.createFile(encryptedEHR, relPath);
IpfsFacilitator ipfs = new IpfsFacilitator();
string localPath = IOFacilitator.homePath() + relPath;
string ipfsPath = await ipfs.addFile(localPath);
ShellFacilitator.Bash("rm -f " + localPath);
EHRBackupModel model = new EHRBackupModel(ipfsPath,
cipher.getKey(), cipher.getIV());
model.exportToJsonFile(walletId);
return(model.toJson());
}