public ActionResult Confirm(string hash)
{
try
{
hash = CryptAES.Decrypt(hash);
JObject json = JObject.Parse(hash);
DateTime dateCreate = (DateTime)json["dateCreate"];
DateTime dateExpire = (DateTime)json["dateExpire"];
string Method = (string)json["Method"];
int userId = (int)json["userId"];
if (Method != "ConfirmEmail")
{
throw new Exception("Hash inválido para esse tipo de operação");
}
if (DateTime.Now > dateExpire)
{
throw new Exception("Tempo limite expirado. Por favor, gere outra chave de validação");
}
ViewBag.MessageSuccess = "Email confirmado com sucesso!";
return(View());
}
catch (Exception E)
{
ViewBag.ErrorToConfirm = E.Message;
return(View("ErrorConfirm"));
}
}
public async Task <bool> SendRecover(EmailFormModel emailFormModel, int UserId)
{
//cria o hash com os dados
Dictionary <string, string> dict = new Dictionary <string, string>
{
{ "dateCreate", DateTime.Now.ToString("o") },
{ "dateExpire", DateTime.Now.AddHours(24).ToString("o") },
{ "userId", UserId.ToString() },
{ "Method", "RecoverPassword" }
};
var hash = CryptAES.Encrypt(dict.ToDebugString());
var message = new MailMessage();
message.To.Add(new MailAddress(emailFormModel.FromEmail, emailFormModel.FromName));
message.From = new MailAddress(_MyEmail, "JDKB - Base de Conhecimento");
message.Subject = "Recuperar senha";
message.Body =
"<!DOCTYPE html>" +
"<html>" +
"<head>" +
"<title>JDKB - Recuperar senha</title>" +
"</head>" +
"<body style=\"margin:0;padding:10px;font-family:Helvetica,Arial,sans-serif;font-weight:300;background-color:#ffffff;max-width:600px;margin:0 auto;text-align:center;color:#333333;\">" +
"<h2 style=\"color:#0fad00\">Olá " + emailFormModel.FromName + "</h2>" +
"<p style=\"font-size:20px;color:#5C5C5C;\">" +
" Para redefinir sua senha, clique no link abaixo: (esse link vai expirar em 24 horas):" +
"</p>" +
"<a href=\"" + GetURL() + "Recoverconfirm?hash=" + hash + "\" target=\"_blank\" style=\"background-color:#1979bb;display:inline-block;padding:7px 15px;border-radius:5px;color:#fff;text-decoration:none;margin-bottom:40px\">Redefinir minha senha</a>" +
"<p style=\"font-size:10px;color:gray;\">" +
"Se você não solicitou a recuperação da senha, favor desconsiderar esse email" +
"</p>" +
"</body>" +
"</html>";
message.IsBodyHtml = true;
using (var _smtp = GetSmtp())
{
await _smtp.SendMailAsync(message);
}
return(await Task.FromResult(true));
}
public async Task <ActionResult> ConfirmRecover(string hash)
{
try
{
hash = CryptAES.Decrypt(hash);
JObject json = JObject.Parse(hash);
DateTime dateCreate = (DateTime)json["dateCreate"];
DateTime dateExpire = (DateTime)json["dateExpire"];
string Method = (string)json["Method"];
decimal userId = (decimal)json["userId"];
if (Method != "RecoverPassword")
{
throw new Exception("Hash inválido para esse tipo de operação");
}
if (DateTime.Now > dateExpire)
{
throw new Exception("Tempo limite expirado. Por favor, gere outra solicitação para recuperar a senha");
}
var user = await _usuarioRepo.GetAsync(userId);
if (user == null)
{
throw new Exception("Usuário inválido.");
}
var userVM = user.ToVM();
userVM.Senha = "";
return(View(userVM));
}
catch (Exception E)
{
ViewBag.ErrorToConfirm = E.Message;
return(View("ErrorConfirm"));
}
}
/// <summary>
/// Actions to do when user clicks the 'Go' button
/// </summary>
/// <param name="sender">Sender of Click event</param>
/// <param name="e">Arguments for Click event</param>
private void btGoClick(object sender, EventArgs e)
{
// No text to crypt/decrypt? finish
if (txtText.Text == "")
{
return;
}
// According to selected crypt algorithm...
switch (cbType.SelectedIndex)
{
case 0: // CryptStream3DES
// No key and initializer values? finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
// If we are encrypting, use according texts for encrypt and decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = CryptStream3DES.Encrypt(txtText.Text, txtKey.Text, txtIV.Text);
txtDecrypt.Text = CryptStream3DES.Decrypt(txtCrypt.Text, txtKey.Text, txtIV.Text);
}
else
{
// If we are decrypting, take the inverse text values
txtCrypt.Text = CryptStream3DES.Decrypt(txtText.Text, txtKey.Text, txtIV.Text);
txtDecrypt.Text = CryptStream3DES.Encrypt(txtCrypt.Text, txtKey.Text, txtIV.Text);
}
break;
case 1: // Crypt3DES
// No key? finish
if (txtKey.Text == "")
{
return;
}
// If we are encrypting, use according text for encrypt and decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = Crypt3DES.Encrypt(txtText.Text, txtKey.Text);
txtDecrypt.Text = Crypt3DES.Decrypt(txtCrypt.Text, txtKey.Text);
}
else
{
// If we are decrypting, use the inverse text values
txtCrypt.Text = Crypt3DES.Decrypt(txtText.Text, txtKey.Text);
txtDecrypt.Text = Crypt3DES.Encrypt(txtCrypt.Text, txtKey.Text);
}
break;
case 2: // CryptAES
// No key and initializer? finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
// Use right texts to encrypt/decrypt, based on our setup (also use provided key and salt)
if (tbSide.Value == 0)
{
txtCrypt.Text = CryptAES.Encrypt(txtText.Text, txtKey.Text, txtIV.Text);
txtDecrypt.Text = CryptAES.Decrypt(txtCrypt.Text, txtKey.Text, txtIV.Text);
}
else
{
txtCrypt.Text = CryptAES.Decrypt(txtText.Text, txtKey.Text, txtIV.Text);
txtDecrypt.Text = CryptAES.Encrypt(txtCrypt.Text, txtKey.Text, txtIV.Text);
}
break;
case 3: // UUCode
// Apply encoding/decoding to right texts according to setup
if (tbSide.Value == 0)
{
txtCrypt.Text = UUCoder.Encode(txtText.Text);
txtDecrypt.Text = UUCoder.Decode(txtCrypt.Text);
}
else
{
txtCrypt.Text = UUCoder.Decode(txtText.Text);
txtDecrypt.Text = UUCoder.Encode(txtCrypt.Text);
}
break;
case 4: // Mime/Base64
// Apply encoding/decoding to right texts according to setup
if (tbSide.Value == 0)
{
txtCrypt.Text = Base64.EncodeString(txtText.Text);
txtDecrypt.Text = Base64.DecodeString(txtCrypt.Text);
}
else
{
txtCrypt.Text = Base64.DecodeString(txtText.Text);
txtDecrypt.Text = Base64.EncodeString(txtCrypt.Text);
}
break;
case 5: // Adler32
// Calculate hash for given text...
txtCrypt.Text = string.Format("{0:X}", Adler32.AdlerHash(txtText.Text));
break;
case 6: // CRC16
// Calculate hash for given text...
txtCrypt.Text = string.Format("{0:X}", CRC16.Hash(txtText.Text));
break;
case 7: // CRC32
// Calculate hash for given text...
txtCrypt.Text = string.Format("{0:X}", CRC32.Hash(txtText.Text));
break;
case 8: // CRC64
// Calculate hash for given text...
txtCrypt.Text = string.Format("{0:X}", CRC64.Hash(txtText.Text));
break;
case 9: // Salsa20
// No key and initializer? finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
// Use cryptor to encrypt/decrypt data, according to setup
using (var salsa = new CryptSalsa(txtKey.Text, txtIV.Text))
{
// Encrypt -> Decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = salsa.Encrypt(txtText.Text);
txtDecrypt.Text = salsa.Decrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = salsa.Decrypt(txtText.Text);
txtDecrypt.Text = salsa.Encrypt(txtCrypt.Text);
}
}
break;
case 10: // ChaCha20
// No key/initializer? finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
// Use cryptor to encrypt/decrypt data, according to setup
using (var chacha = new CryptChaCha20(txtKey.Text, txtIV.Text))
{
// Encrypt -> Decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = chacha.Encrypt(txtText.Text);
txtDecrypt.Text = chacha.Decrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = chacha.Decrypt(txtText.Text);
txtDecrypt.Text = chacha.Encrypt(txtCrypt.Text);
}
}
break;
case 11: // RSA
// if no key/initializer value, finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
using (var rsa = new CryptRSA(txtKey.Text, keySizes[cbKeySize.SelectedIndex]))
{
// Use private key?
if (cbPrivateKey.Checked)
{
// Use cryptor to encrypt/decrypt data, according to setup
if (tbSide.Value == 0)
{
// Encrypt -> Decrypt
txtCrypt.Text = rsa.PrivateEncrypt(txtText.Text);
txtDecrypt.Text = rsa.PublicDecrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = rsa.PublicDecrypt(txtText.Text);
txtDecrypt.Text = rsa.PrivateEncrypt(txtCrypt.Text);
}
}
else
{
// Nope, use public key...
// Use cryptor to encrypt/decrypt data, according to setup
if (tbSide.Value == 0)
{
// Encrypt -> Decrypt
txtCrypt.Text = rsa.PublicEncrypt(txtText.Text);
txtDecrypt.Text = rsa.PrivateDecrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = rsa.PrivateDecrypt(txtText.Text);
txtDecrypt.Text = rsa.PublicEncrypt(txtCrypt.Text);
}
}
}
break;
case 12: // Blowfish
// No key? finish
if (txtKey.Text == "")
{
return;
}
// Use cryptor to encrypt/decrypt data, according to setup
using (var blowfish = new CryptBlowfish(txtKey.Text))
{
// Encrypt -> Decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = blowfish.Encrypt(txtText.Text);
txtDecrypt.Text = blowfish.Decrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = blowfish.Decrypt(txtText.Text);
txtDecrypt.Text = blowfish.Encrypt(txtCrypt.Text);
}
}
break;
}
}
