private TokenDates GetTokenDates(TokenConfigurations tokenConfigurations)
{
try
{
DateTime dataCriacao = DateTime.Now;
DateTime dataExpiracao = dataCriacao.AddSeconds(tokenConfigurations.Seconds);
TokenDates tkDt = new TokenDates(dataCriacao, dataExpiracao);
return(tkDt);
}
catch (Exception)
{
return(null);
}
}
private string CreateToken(TokenDates tkDate, ClaimsIdentity identity, SigningConfigurations signingConfigurations, TokenConfigurations tokenConfigurations)
{
try
{
var handler = new JwtSecurityTokenHandler();
var securityToken = handler.CreateToken(new SecurityTokenDescriptor
{
Issuer = tokenConfigurations.Issuer,
Audience = tokenConfigurations.Audience,
SigningCredentials = signingConfigurations.SigningCredentials,
Subject = identity,
NotBefore = tkDate.NotBefore,
Expires = tkDate.Expires
});
string token = handler.WriteToken(securityToken);
return(token);
}
catch (Exception ex)
{
return(null);
}
}
public AuthResult AuthUser(UserDb userDb, string inputPassword, SigningConfigurations signingConfigurations, TokenConfigurations tokenConfigurations)
{
try
{
bool credenciaisValidas = ValidateCredentials(userDb, inputPassword);
if (credenciaisValidas)
{
ClaimsIdentity identity = CreateClaims(userDb);
if (identity != null)
{
TokenDates tkDate = GetTokenDates(tokenConfigurations);
if (tkDate != null)
{
string token = CreateToken(tkDate, identity, signingConfigurations, tokenConfigurations);
if (!string.IsNullOrWhiteSpace(token))
{
authResult.authenticated = true;
authResult.created = tkDate.NotBefore;
authResult.expiration = tkDate.Expires;
authResult.accessToken = $"Bearer {token}";
authResult.message = "OK";
return(authResult);
}
else
{
authResult.authenticated = false;
authResult.message = "Falha ao gerar token.";
return(authResult);
}
}
else
{
authResult.authenticated = false;
authResult.message = "Falha ao gerar validade do token.";
return(authResult);
}
}
else
{
authResult.authenticated = false;
authResult.message = "Impossível gerar token.";
return(authResult);
}
}
else
{
authResult.authenticated = false;
authResult.message = "Credenciais inválidas!";
return(authResult);
}
}
catch (Exception ex)
{
authResult.authenticated = false;
authResult.message = "Ocorreu um erro durante a autenticação.";
return(authResult);
}
}
