/// <summary>
/// Shares a file with other specific user on EnigmaEfs.
/// </summary>
/// <param name="pathOnEfs">The name of the shared file.</param>
/// <param name="shareUser">User you are sharing a file with.</param>
public void Share(string pathOnEfs, UserInformation shareUser)
{
CertificateCheck($"You cannot share files with {shareUser.Username}.");
var encryptedFile = new EncryptedFile(pathOnEfs.Substring(pathOnEfs.LastIndexOf('\\') + 1).Split('.')[0]);
var updatedEncryptedFileRaw = encryptedFile.Share(File.ReadAllBytes(pathOnEfs), currentUser.Id, shareUser.Id, currentUser.PrivateKey, shareUser.PublicKey);
if (CanItBeStored(updatedEncryptedFileRaw.Length))
{
CreateFile(updatedEncryptedFileRaw, SharedDir + "\\" + encryptedFile.GetEncryptedFileFullName());
// When first sharing a file from user folder to shared folder.
if (pathOnEfs.Substring(0, pathOnEfs.LastIndexOf('\\')) != SharedDir)
{
DeleteFile(pathOnEfs);
}
}
else
{
throw new Exception("Insufficient storage available. File can't be updated.");
}
}