/// <summary>
/// DES encrypt
/// </summary>
/// <param name="data">Raw data</param>
/// <param name="key">Key, requires 24 bits</param>
/// <returns>Encrypted byte array</returns>
public static byte[] DESEncrypt(byte[] data, string key = "TThvj8G5jb6GcTFZmxVwh5Cj")
{
Check.Argument.IsNotEmpty(data, nameof(data));
Check.Argument.IsNotEmpty(key, nameof(key));
Check.Argument.IsNotOutOfRange(key.Length, 24, 24, nameof(key));
using (MemoryStream Memory = new MemoryStream())
{
using (TripleDES des = TripleDES.Create())
{
Byte[] plainBytes = data;
Byte[] bKey = new Byte[24];
Array.Copy(Encoding.UTF8.GetBytes(key.PadRight(bKey.Length)), bKey, bKey.Length);
des.Mode = CipherMode.ECB;
des.Padding = PaddingMode.PKCS7;
des.Key = bKey;
using (CryptoStream cryptoStream = new CryptoStream(Memory, des.CreateEncryptor(), CryptoStreamMode.Write))
{
try
{
cryptoStream.Write(plainBytes, 0, plainBytes.Length);
cryptoStream.FlushFinalBlock();
return(Memory.ToArray());
}
catch (Exception ex)
{
LogerHelp.Error(ex);
return(null);
}
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="email"></param>
/// <param name="code"></param>
/// <returns></returns>
public bool VerifByEmail(string code)
{
try
{
var token = SecurityHelper.AES256DEncrypt(code)?.DeserializeObject <TokenModel>();
TokenModel tokenmodel = session.GetObjectFromJson <TokenModel>(nameof(GenerateEmailAsync));
if (token == null)
{
return(false);
}
var uip = context.Request.GetUserIp();
if (uip.IsNotNullOrEmpty())
{
if (!token.RequestIp.Equals(uip))
{
return(false);
}
}
return(tokenmodel.Name == token.Name && token.Sid == tokenmodel.Sid && DateTime.Now < token.ResponseTime.AddMinutes(token.ExpiryTime));
}
catch (Exception ex)
{
LogerHelp.Error(ex);
return(false);
}
}
public static async void SendHealthEmailAsync(EmailSettings settings, string content)
{
try
{
dynamic list = JsonConvert.DeserializeObject(content);
if (list != null && list.Count > 0)
{
var emailBody = new StringBuilder("健康检查故障:\r\n");
foreach (var noticy in list)
{
emailBody.AppendLine($"--------------------------------------");
emailBody.AppendLine($"Node:{noticy.Node}");
emailBody.AppendLine($"Service ID:{noticy.ServiceID}");
emailBody.AppendLine($"Service Name:{noticy.ServiceName}");
emailBody.AppendLine($"Check ID:{noticy.CheckID}");
emailBody.AppendLine($"Check Name:{noticy.Name}");
emailBody.AppendLine($"Check Status:{noticy.Status}");
emailBody.AppendLine($"Check Output:{noticy.Output}");
emailBody.AppendLine($"--------------------------------------");
}
var message = new MimeMessage();
message.From.Add(new MailboxAddress(settings.FromWho, settings.FromAccount));
message.To.Add(new MailboxAddress(settings.ToWho, settings.ToAccount));
message.Subject = settings.Subject;
message.Body = new TextPart("plain")
{
Text = emailBody.ToString()
};
using (var client = new SmtpClient())
{
client.ServerCertificateValidationCallback = (s, c, h, e) => true;
await client.ConnectAsync(settings.SmtpServer, settings.SmtpPort, false);
client.AuthenticationMechanisms.Remove("XOAUTH2");
await client.AuthenticateAsync(settings.AuthAccount, settings.AuthPassword);
await client.SendAsync(message);
await client.DisconnectAsync(true);
}
}
}
catch (Exception ex)
{
LogerHelp.Error(ex);
Console.WriteLine(ex.Message);
}
}
/// <summary>
/// AES decrypt( no IV)
/// </summary>
/// <param name="data">Encrypted data</param>
/// <param name="key">Key, requires 32 bits</param>
/// <returns>Decrypted string</returns>
public static string AESDecrypt(string data, string key)
{
Check.Argument.IsNotEmpty(data, nameof(data));
Check.Argument.IsNotEmpty(key, nameof(key));
Check.Argument.IsNotOutOfRange(key.Length, 32, 32, nameof(key));
Byte[] encryptedBytes = Convert.FromBase64String(data);
Byte[] bKey = new Byte[32];
Array.Copy(Encoding.UTF8.GetBytes(key.PadRight(bKey.Length)), bKey, bKey.Length);
using (MemoryStream Memory = new MemoryStream(encryptedBytes))
{
//mStream.Write( encryptedBytes, 0, encryptedBytes.Length );
//mStream.Seek( 0, SeekOrigin.Begin );
using (Aes aes = Aes.Create())
{
aes.Mode = CipherMode.ECB;
aes.Padding = PaddingMode.PKCS7;
aes.KeySize = 128;
aes.Key = bKey;
//aes.IV = _iV;
using (CryptoStream cryptoStream = new CryptoStream(Memory, aes.CreateDecryptor(), CryptoStreamMode.Read))
{
try
{
byte[] tmp = new byte[encryptedBytes.Length];
int len = cryptoStream.Read(tmp, 0, encryptedBytes.Length);
byte[] ret = new byte[len];
Array.Copy(tmp, 0, ret, 0, len);
return(Encoding.UTF8.GetString(ret));
}
catch (Exception ex)
{
LogerHelp.Error(ex);
return(null);
}
}
}
}
}
protected async Task <T> GetCacheAsync <T>(string key, CancellationToken cancellationToken = default)
{
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullEx(nameof(key), "key Is Null Or Empty");
}
var cacheValue = await cache.GetStringAsync(key);
if (!string.IsNullOrEmpty(cacheValue))
{
try
{
return(JsonConvert.DeserializeObject <T>(cacheValue));
}
catch (Exception ex)
{
LogerHelp.Error(ex);
//出错时删除key
cache.Remove(key);
}
}
return(default);
/// <summary>
/// AES encrypt ( no IV)
/// </summary>
/// <param name="data">Raw data</param>
/// <param name="key">Key, requires 32 bits</param>
/// <returns>Encrypted string</returns>
public static string AESEncrypt(string data, string key)
{
Check.Argument.IsNotEmpty(data, nameof(data));
Check.Argument.IsNotEmpty(key, nameof(key));
Check.Argument.IsNotOutOfRange(key.Length, 32, 32, nameof(key));
using (MemoryStream Memory = new MemoryStream())
{
using (Aes aes = Aes.Create())
{
byte[] plainBytes = Encoding.UTF8.GetBytes(data);
Byte[] bKey = new Byte[32];
Array.Copy(Encoding.UTF8.GetBytes(key.PadRight(bKey.Length)), bKey, bKey.Length);
aes.Mode = CipherMode.ECB;
aes.Padding = PaddingMode.PKCS7;
aes.KeySize = 128;
//aes.Key = _key;
aes.Key = bKey;
//aes.IV = _iV;
using (CryptoStream cryptoStream = new CryptoStream(Memory, aes.CreateEncryptor(), CryptoStreamMode.Write))
{
try
{
cryptoStream.Write(plainBytes, 0, plainBytes.Length);
cryptoStream.FlushFinalBlock();
return(Convert.ToBase64String(Memory.ToArray()));
}
catch (Exception ex)
{
LogerHelp.Error(ex);
return(null);
}
}
}
}
}
/// <summary>
/// DES decrypt
/// </summary>
/// <param name="data">Encrypted data</param>
/// <param name="key">Key, requires 24 bits</param>
/// <returns>Decrypted byte array</returns>
public static byte[] DESDecrypt(byte[] data, string key = "TThvj8G5jb6GcTFZmxVwh5Cj")
{
Check.Argument.IsNotEmpty(data, nameof(data));
Check.Argument.IsNotEmpty(key, nameof(key));
Check.Argument.IsNotOutOfRange(key.Length, 24, 24, nameof(key));
Byte[] encryptedBytes = data;
Byte[] bKey = new Byte[24];
Array.Copy(Encoding.UTF8.GetBytes(key.PadRight(bKey.Length)), bKey, bKey.Length);
using (MemoryStream Memory = new MemoryStream(encryptedBytes))
{
using (TripleDES des = TripleDES.Create())
{
des.Mode = CipherMode.ECB;
des.Padding = PaddingMode.PKCS7;
des.Key = bKey;
using (CryptoStream cryptoStream = new CryptoStream(Memory, des.CreateDecryptor(), CryptoStreamMode.Read))
{
try
{
byte[] tmp = new byte[encryptedBytes.Length];
int len = cryptoStream.Read(tmp, 0, encryptedBytes.Length);
byte[] ret = new byte[len];
Array.Copy(tmp, 0, ret, 0, len);
return(ret);
}
catch (Exception ex)
{
LogerHelp.Error(ex);
return(data);
}
}
}
}
}