public void NextRandomString_ReturnsString()
{
//arrange
var generator = new ECTokenGenerator();
//act
var random = generator.NextRandomString();
//assert
Assert.IsType <string>(random);
}
public void NextRandomString_WithLength_ReturnsStringWithSpecifiedSize()
{
//arrange
var generator = new ECTokenGenerator();
int length = 50;
//act
var random = generator.NextRandomString(50);
//assert
Assert.Equal(length, random.Length);
}
public void NextRandomString_WithNoLength_ReturnsStringBetweenMINAndMAX()
{
//arrange
var generator = new ECTokenGenerator();
int lengthMin = 4;
int lengthMax = 8;
//act
var random = generator.NextRandomString();
//assert
Assert.True(random.Length >= lengthMin && random.Length <= lengthMax);
}
public void DecryptV3_WithCorrectKey_DecryptsMessage()
{
//arrange
var generator = new ECTokenGenerator();
var key = "thisisakey";
var encrypted = "24JJvrIX--LTuT_BN4WTB_n_uNtl91zrGmMzcSiKODAh0FukUT-O0WaudZ4mVc4yJmYp8bGQzIqE6toLqn40GaK98xfDe0xmrgfB46OEQiNGCAErwzed3XAy5a45Z-RVduxvppoUvga17mG8W5mEafPsfU9RgVyH6eajPosJSssIeywFFybVDf4kRZod";
//act
var token = generator.DecryptV3(key, encrypted, false);
//assert
Assert.NotNull(token);
Assert.Equal("ec_expire=1522944645&ec_clientip=0.0.0.0&ec_country_allow=US&ec_country_deny=NA&ec_ref_allow=1234&ec_ref_deny=456", token);
}
public void EncryptV3_WithDateTimeOnly_ReturnsEncryptedTokenWithOnlyDate()
{
//arrange
var generator = new ECTokenGenerator();
var expireTime = DateTime.Now.AddMilliseconds(300);
string key = Faker.Name.FullName();
//act
var token = generator.EncryptV3(key, expireTime);
//assert
Assert.NotNull(token);
var decryptdToken = generator.DecryptV3(key, token, false);
string expected = $"ec_expire={expireTime.FromEpoch()}";
Assert.Equal(expected, decryptdToken);
}
public IActionResult SetToken()
{
var generator = new ECTokenGenerator();
var key = "{Your Key}";
var expireTime = DateTime.UtcNow.AddMinutes(5);
string clientIp = HttpContext.Connection.RemoteIpAddress.ToString();
var token = generator.EncryptV3(key, expireTime, clientIp);
Response.SetTokenCookies(token);
var decryptdToken = generator.DecryptV3(key, token, false);
NameValueCollection qscoll = HttpUtility.ParseQueryString(decryptdToken);
TempData["token"] = qscoll;
TempData["Message"] = "Set Token OK!";
return(View());
}
public void EncryptV3_WithDateTimeAndClientIP_ReturnsEcnryptedTokenWithBoth()
{
//arrange
var generator = new ECTokenGenerator();
var expireTime = DateTime.Now.AddMilliseconds(300);
string clientIp = Faker.Internet.IPv4Address();
string key = Faker.Name.FullName();
//act
var token = generator.EncryptV3(key, expireTime, clientIp);
//assert
Assert.NotNull(token);
var decryptdToken = generator.DecryptV3(key, token, false);
string expected = $"ec_expire={expireTime.FromEpoch()}&ec_clientip={clientIp}";
Assert.Equal(expected, decryptdToken);
}
static void Main(string[] args)
{
try
{
ECTokenGenerator tokenGenerator = new ECTokenGenerator();
if (args.Length == 1)
{
System.Console.WriteLine("EC Token encryption and decryption utility. Version: 3.0.0");
System.Console.WriteLine(".NET Core Version supported by ecencryptstdlib (.NET Standard 1.4) ");
Environment.Exit(0);
}
if (args.Length < 2)
{
// display some examples of how to use this application
System.Console.WriteLine("----------------------------------------------------------------");
System.Console.WriteLine("| Usage / Help:");
System.Console.WriteLine("| ec_encryptcore.exe <key> <text> | create v3 encrypt token using <text> and <key>");
System.Console.WriteLine("| ec_encryptcore.exe <key> <text> -v | create v3 encrypt token using <text> and <key> in verbose mode");
System.Console.WriteLine("| ec_encryptcore.exe decrypt <key> <text> | decrypt token");
System.Console.WriteLine("| ec_encryptcore.exe decrypt <key> <text> -v | decrypt token in verbose mode");
System.Console.WriteLine("---------------------------------------------------------------");
Environment.Exit(1);
}
// variables to store the key and token
string strKey = "";
string strToken = "";
string strResult = "";
bool isEncrypt = true;
// we can turn on verbose output to help debug problems
bool blnVerbose = false;
if (blnVerbose)
{
System.Console.WriteLine("----------------------------------------------------------------\n");
}
if (args.Length > 2)
{
if (args[2] == VERBOSE_COMMAND)
{
blnVerbose = true;
}
}
if (args.Length > 3)
{
if (args[3] == VERBOSE_COMMAND)
{
blnVerbose = true;
}
}
if (args[0] == DECRYPT_COMMAND)
{
isEncrypt = false;
}
// if this is a decrypt function, then take an encrypted token and decrypt it
if (isEncrypt)
{
strKey = args[0];
strToken = args[1];
try
{
strResult = tokenGenerator.EncryptV3(strKey, strToken, blnVerbose);
if (string.IsNullOrEmpty(strResult))
{
System.Console.WriteLine("Failed to encrypt token");
}
}
catch (System.Exception ex)
{
if (blnVerbose)
{
System.Console.WriteLine("Exception occured while encrypting token" + ex.Message);
Environment.Exit(1);
}
}
}
else
{
strKey = args[1];
strToken = args[2];
try
{
strResult = tokenGenerator.DecryptV3(strKey, strToken, blnVerbose);
if (string.IsNullOrEmpty(strResult))
{
System.Console.WriteLine("Failed to decrypt token.");
}
}
catch (System.Exception ex)
{
if (blnVerbose)
{
System.Console.WriteLine("Exception occured while encrypting token" + ex.Message);
}
}
}
if (blnVerbose)
{
System.Console.WriteLine("----------------------------------------------------------------");
}
if (!string.IsNullOrEmpty(strResult))
{
System.Console.WriteLine(strResult);
}
else
{
System.Console.WriteLine("Failed to encrypt/decrypt token");
Environment.Exit(1);
}
}
catch (System.Exception ex)
{
System.Console.WriteLine("Exception occured while encrypting/decrypting token" + ex.Message);
}
}
