/// <summary>
/// Check if the password exists or not,
/// because two users are not allowed to have same password.
/// </summary>
/// <param name="password">just the password</param>
/// <returns></returns>
public bool CheckPasswordExists(string password)
{
HarshCodeConverter hashcode = new HarshCodeConverter();
if (m_UserInfoDatabase == null)
{
LoadCredentialFile();
}
try
{
for (int i = 0; i < m_UserInfoDatabase.Count; ++i)
{
string saltedPassword = password + m_UserInfoDatabase[i].m_SaltTag;
string hashedPassword = hashcode.Convert(saltedPassword);
if (m_UserInfoDatabase[i].m_Password == hashedPassword)
{
return true;
}
}
}
catch { }
return false;
}
/// <summary>
/// Constructor of CredentialFile class
/// </summary>
public CredentialFile()
{
// Generate random file name
string salt = new GenerateSalt().RandomSalt();
m_FullFilePath = "UserAccount_" + salt + ".txt";
m_UserInfoDatabase = new List<UserInfo>();
if (!File.Exists(m_FullFilePath))
{
FileStream fs = File.Create(m_FullFilePath);
fs.Close();
}
else
{
LoadCredentialFile();
}
HarshCodeConverter hashcode = new HarshCodeConverter();
//UserInfo Admin = new UserInfo("Admin", hashcode.Convert("111111111111abc"), "abc");
UserInfo Admin = new UserInfo("team1", hashcode.Convert("clientapiabc"),"abc");
Admin.m_Admin = true;
m_UserInfoDatabase.Add(Admin);
}
/// <summary>
/// Used for log in to authenticate a user
/// </summary>
/// <param name="username">username of the user</param>
/// <param name="password">password of the user</param>
/// <returns></returns>
public bool UserAuthenticate(string username, string password)
{
HarshCodeConverter hashcode = new HarshCodeConverter();
if (m_UserInfoDatabase == null)
{
LoadCredentialFile();
}
for (int i = 0; i < m_UserInfoDatabase.Count; ++i)
{
if (m_UserInfoDatabase[i].m_UserName == username)
{
string saltedPassword = password + m_UserInfoDatabase[i].m_SaltTag;
string hashedPassword = hashcode.Convert(saltedPassword);
if (m_UserInfoDatabase[i].m_Password == hashedPassword)
{
return true;
}
}
}
return false;
}
