internal async Task <string> GetTokenAsyncInternal(DateTime startTime, TimeSpan ttl)
{
string audience = this.moduleId
.Map(m => SasTokenHelper.BuildAudience(this.iotHubHostName, this.deviceId, m))
.GetOrElse(() => SasTokenHelper.BuildAudience(this.iotHubHostName, this.deviceId));
string expiresOn = SasTokenHelper.BuildExpiresOn(startTime, ttl);
string data = string.Join(
"\n",
new List <string>
{
audience,
expiresOn
});
try
{
string signature = await this.signatureProvider.SignAsync(data);
return(SasTokenHelper.BuildSasToken(audience, signature, expiresOn));
}
catch (SignatureProviderException e)
{
throw new TokenProviderException(e);
}
}
public async Task<string> GetTokenAsync(Option<TimeSpan> ttl)
{
DateTime startTime = DateTime.UtcNow;
string audience = SasTokenHelper.BuildAudience(this.iotHubHostName, this.deviceId, this.moduleId);
string expiresOn = SasTokenHelper.BuildExpiresOn(startTime, ttl.GetOrElse(this.defaultTtl));
string data = string.Join("\n", new List<string> { audience, expiresOn });
string signature = await this.signatureProvider.SignAsync(data).ConfigureAwait(false);
return SasTokenHelper.BuildSasToken(audience, signature, expiresOn);
}