public void Setup()
{
_tokenGenerator = new AkamaiTokenGenerator();
_tokenConfig = new AkamaiTokenConfig {
UnixTimeProvider = new UnixTimeFaker(DateTimeOffset.Now)
};
}
public void CreateConfigWithInvalidWindow_ShouldThrow()
{
// Arrange / Act / Assert
Assert.That(() => _tokenConfig = new AkamaiTokenConfig
{
Key = "abc123",
Acl = "/*",
Window = -1
}, Throws.TypeOf <ArgumentOutOfRangeException>().With.Message.EqualTo("Value should be greater than 0\r\nParameter name: value"));
}
public void CreateConfigWithInvalidKey_ShouldThrow(string key)
{
// Arrange / Act / Assert
Assert.That(() => _tokenConfig = new AkamaiTokenConfig
{
TokenAlgorithm = Algorithm.HMACSHA256,
Window = 300,
Acl = "/*",
Key = key
}, Throws.TypeOf <ArgumentException>().
With.Message.EqualTo("Key should be an even length alpha-numeric string\r\nParameter name: value"));
}
/// <summary>
/// Generates a token
/// </summary>
/// <param name="tokenConfig">Configuration values to create token</param>
/// <returns></returns>
public string GenerateToken(IAkamaiTokenConfig tokenConfig)
{
var tokenValues = tokenConfig.IpField + tokenConfig.StartTimeField
+ tokenConfig.ExpirationField + tokenConfig.AclField
+ tokenConfig.SessionIdField + tokenConfig.PayloadField;
var hmac = CalculateHMAC(tokenValues.TrimEnd(tokenConfig.FieldDelimiter), tokenConfig.Key, tokenConfig.TokenAlgorithm);
return(tokenConfig.PreEscapeAcl
? $"{tokenValues}hmac={hmac}"
: Uri.EscapeUriString($"{tokenValues}hmac={hmac}"));
}
public void GetTokenWithNoEndTimeOrWindow_ShouldThrow()
{
// Arrange / Act / Assert
_tokenConfig = new AkamaiTokenConfig
{
Key = "abc123",
Acl = "/*"
};
// Act / Assert
Assert.That(() => _tokenGenerator.GenerateToken(_tokenConfig),
Throws.TypeOf <Exception>().With.Message.EqualTo("A valid value for either 'Window' or 'EndTime' is required"));
}
public void GenerateTokenWithEmptyAcl_ShouldThrow(string acl)
{
// Arrange / Act
_tokenConfig = new AkamaiTokenConfig
{
TokenAlgorithm = Algorithm.HMACSHA256,
Window = 300,
Acl = acl,
Key = "abc123"
};
// Assert
Assert.That(() => _tokenGenerator.GenerateToken(_tokenConfig),
Throws.TypeOf <Exception>().With.Message.EqualTo("A valid value for 'Acl' is required"));
}
public void InstantiateConfigWithNoStartTime_VerifyExpiryFieldHasValue()
{
// Arrange / Act
_tokenConfig = new AkamaiTokenConfig
{
TokenAlgorithm = Algorithm.HMACSHA256,
Window = 300,
Acl = "/*",
Key = "abc123"
};
// Assert
var startIndex = _tokenConfig.ExpirationField.IndexOf('=', StringComparison.InvariantCulture) + 1;
var lastIndex = _tokenConfig.ExpirationField.IndexOf('~', StringComparison.InvariantCulture);
var expiryTime = long.Parse(_tokenConfig.ExpirationField.Substring(startIndex, lastIndex - startIndex));
Assert.AreEqual(string.Empty, _tokenConfig.StartTimeField);
Assert.AreEqual(expiryTime, _tokenConfig.UnixTimeProvider.GetUnixTimeSeconds() + _tokenConfig.Window);
}
public void GetBasicTokenWithNoStartTime_ExpectCorrectParams()
{
// Arrange
_tokenConfig = new AkamaiTokenConfig
{
Window = 600,
Acl = "/*",
Key = "key123"
};
// Act
var token = _tokenGenerator.GenerateToken(_tokenConfig);
// Assert
var expectedParams = $"exp={_tokenConfig.UnixTimeProvider.GetUnixTimeSeconds() + _tokenConfig.Window}~acl={_tokenConfig.Acl}~";
var actualParams = token.Substring(0, token.IndexOf("hmac=", StringComparison.InvariantCulture));
var hmac = token.Substring(token.IndexOf("hmac=", StringComparison.InvariantCulture) + "hmac=".Length);
Assert.AreEqual(expectedParams, actualParams);
Assert.IsTrue(hmac.Length > 0);
}
public void GetTokenWithBothEndTimeAndWindow_ExpectEndTimeToBeUsed()
{
// Arrange
_tokenConfig = new AkamaiTokenConfig
{
TokenAlgorithm = Algorithm.HMACSHA256,
StartTime = 1,
Window = 100,
EndTime = 200,
Key = "ab09",
Acl = "/*"
};
// Act
var token = _tokenGenerator.GenerateToken(_tokenConfig);
// Assert
var expectedParams = $"st={_tokenConfig.StartTime}~exp={_tokenConfig.EndTime}~acl={_tokenConfig.Acl}~";
var actualParams = token.Substring(0, token.IndexOf("hmac=", StringComparison.InvariantCulture));
Assert.AreEqual(expectedParams, actualParams);
}
public void GetBasicTokenWithAcl_ExpectCorrectParams(long startTime, long window, string acl, string key)
{
// Arrange
_tokenConfig = new AkamaiTokenConfig
{
StartTime = startTime,
Window = window,
Acl = acl,
Key = key
};
// Act
var token = _tokenGenerator.GenerateToken(_tokenConfig);
// Assert
var expectedParams = $"st={_tokenConfig.StartTime}~exp={_tokenConfig.StartTime + _tokenConfig.Window}~acl={_tokenConfig.Acl}~";
var actualParams = token.Substring(0, token.IndexOf("hmac=", StringComparison.InvariantCulture));
var hmac = token.Substring(token.IndexOf("hmac=", StringComparison.InvariantCulture) + "hmac=".Length);
Assert.AreEqual(expectedParams, actualParams);
Assert.IsTrue(hmac.Length > 0);
}