public async Task <string> ChangePasswordAsync(UsrChangeUser passwords)
{
UsrAdmin user = new UsrAdmin();
try
{
user = await _resumeContext.UsrAdmins.Where(users => users.Password == passwords.oldValue).FirstOrDefaultAsync();
if (user == null)
{
return("Incorrect password");
}
user.Password = passwords.newValue;
user.TokenDateOfDeath = DateTime.Now;
if (await _resumeContext.SaveChangesAsync() == 1)
{
return(null);
}
else
{
return("Fails save DB");
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Fail get or set data of DB");
return("Fail get or set data of DB");
}
}
public async Task <string> ChangeLoginAsync(UsrChangeUser logins)
{
UsrAdmin user = new UsrAdmin();
try
{
user = await _resumeContext.UsrAdmins.Where(users => users.Login == logins.oldValue).FirstOrDefaultAsync();
if (user == null)
{
return("Incorrect login");
}
user.Login = logins.newValue;
if (await _resumeContext.SaveChangesAsync() == 1)
{
return(null);
}
else
{
return("Fails save DB");
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Fail get or set data of DB");
return("Fail get or set data of DB");
}
}
public async Task <IActionResult> Auth(UsrAdmin user)
{
UsrDataShell result = await _userAuthentication.AuthenticationAsync(user);
if (result.Error == null)
{
return(Ok(result.UsrData_));
}
SetErrorHeaders(result);
return(BadRequest());
}
public async Task <UsrAdmin> GetAdminUserAsync()
{
UsrAdmin user = new UsrAdmin();
try
{
user = await _resumeContext.UsrAdmins.FirstOrDefaultAsync();
}
catch (Exception ex)
{
_logger.LogError(ex, "Fail get data of DB");
}
return(user);
}
public async Task <string> CheckTokenAsync(string token)
{
UsrAdmin user = await _dbOperations.GetAdminUserAsync();
if (user.Login == null)
{
return("Admin isn't be");
}
Token trueToken = new Token(user.Login, user.TokenDateOfDeath.ToString(), user.Login + user.Password);
if (token != trueToken.GetToken())
{
return("Token invalid");
}
if (user.TokenDateOfDeath < DateTime.Now)
{
return("Token is old");
}
return(null);
}
private bool InitializeAdmin()
{
try
{
var builder = new ConfigurationBuilder().AddJsonFile("appsettings.json");
IConfiguration AppConfiguration = builder.Build();
IConfigurationSection adminOptions = AppConfiguration.GetSection("Admin");
if (adminOptions != null)
{
string adminLogin = adminOptions.GetSection("login").Value;
string adminPassword = adminOptions.GetSection("password").Value;
if (adminLogin == null || adminPassword == null)
{
_logger.LogError("Fail initialize login or password subsection in appsettings.json");
return(false);
}
if (_resumeContext.UsrAdmins.ToArray().Length == 0)
{
var admin = new UsrAdmin()
{
Login = adminLogin, Password = _authentication.GetHashString(adminPassword)
};
_resumeContext.Add(admin);
_resumeContext.SaveChanges();
}
return(true);
}
else
{
_logger.LogError("Fail initialize admin section in appsettings.json");
return(false);
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Fail initialize admin");
return(false);
}
}
public async Task <UsrDataShell> AuthenticationAsync(UsrAdmin user)
{
UsrDataShell result = new UsrDataShell();
var hashPassword = await _dbOperations.GetUserHashPasswordAsync(user.Login);
if (hashPassword == null)
{
result.Error = "User not found";
return(result);
}
if (hashPassword == "FAIL!")
{
result.Error = "Fail get data of DB";
return(result);
}
if (GetHashString(user.Password) != hashPassword)
{
result.Error = "Password incorrect";
return(result);
}
DateTime tokenDateOfDeath = DateTime.Now.AddHours(GetTokenLifetime());
bool saveToken = await _dbOperations.SetTokenDateOfDeathAsync(user.Login, tokenDateOfDeath);
if (!saveToken)
{
result.Error = "Fail set data of DB";
return(result);
}
Token token = new Token(user.Login, tokenDateOfDeath.ToString(), user.Login + hashPassword);
result.UsrData_ = new UsrAdmin()
{
TokenDateOfDeath = tokenDateOfDeath, Token = token.GetToken()
};
return(result);
}
