public void BuildExpiresOnTest()
{
// Arrange
var startTime = new DateTime(2019, 01, 01);
TimeSpan ttl = TimeSpan.FromHours(1);
// Act
string expiresOn = SasTokenHelper.BuildExpiresOn(startTime, ttl);
// Assert
Assert.Equal("1546304400", expiresOn);
}
static string GetDeviceToken(string iothubHostName, string deviceId, string moduleId, string key)
{
DateTime startTime = DateTime.UtcNow;
string audience = WebUtility.UrlEncode($"{iothubHostName}/devices/{deviceId}/modules/{moduleId}");
string expiresOn = SasTokenHelper.BuildExpiresOn(startTime, TimeSpan.FromHours(1));
string data = string.Join("\n", new List <string> {
audience, expiresOn
});
string signature = Sign(data, key);
return(SasTokenHelper.BuildSasToken(audience, signature, expiresOn));
}
public async Task SignTest()
{
// Arrange
string audience = SasTokenHelper.BuildAudience("foo.azure-devices.net", "ed1", "$edgeHub");
string expiresOn = SasTokenHelper.BuildExpiresOn(new DateTime(2018, 01, 01), TimeSpan.FromHours(1));
string data = string.Join("\n", new List <string> {
audience, expiresOn
});
string key = Convert.ToBase64String(Encoding.UTF8.GetBytes("DummyKey123"));
string expectedToken = Convert.ToBase64String(new HMACSHA256(Convert.FromBase64String(key)).ComputeHash(Encoding.UTF8.GetBytes(data)));
var signatureProvider = new SharedAccessKeySignatureProvider(key);
// Act
string token = await signatureProvider.SignAsync(data);
// Assert
Assert.Equal(expectedToken, token);
}