def register(user, filename, file, password, confirm)
      if(password != confirm) then return false end
      if(not_found(user) == user)
        user = html_clean(user)
        password = html_clean(password)
        upload_file(filename, file)
        n = SecureRandom.hex
        p = password + n
        hashed = Digest::SHA256.hexdigest p
        @db.prepare("INSERT INTO Users VALUES(?,?,#{filename},
       {n}")").execute([user,hashed])
      end
      true
    end