string BuildToken(out TimeSpan ttl)
{
var builder = new SharedAccessSignatureBuilder()
{
KeyName = this.SharedAccessKeyName,
Key = this.SharedAccessKey,
TimeToLive = DefaultTokenTimeToLive,
Target = this.Audience
};
ttl = builder.TimeToLive;
return builder.ToSignature();
}
private void generateButton_Click(object sender, EventArgs e)
{
try
{
decimal ttlValue = numericUpDown1.Value;
var sasBuilder = new SharedAccessSignatureBuilder()
{
Key = this.selectedDeviceKey,
Target = String.Format("{0}/devices/{1}", iotHubHostName, WebUtility.UrlEncode(this.selectedDeviceId)),
TimeToLive = TimeSpan.FromDays(Convert.ToDouble(ttlValue))
};
sasRichTextBox.Text = deviceConnectionStringWithSAS(sasBuilder.ToSignature()) + "\r\n";
}
catch (Exception ex)
{
using (new CenterDialog(this))
{
MessageBox.Show($"Unable to generate SAS. Verify connection strings.\n{ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void generateButton_Click(object sender, EventArgs e)
{
try
{
var selectedDevice = devicesDictionary[this.selectedDeviceId];
if (selectedDevice.Authentication.X509Thumbprint != null)
{
if ( (selectedDevice.Authentication.X509Thumbprint.PrimaryThumbprint != null) ||
(selectedDevice.Authentication.X509Thumbprint.SecondaryThumbprint != null) )
{
throw new Exception("Cannot generate SAS token for device with X509 Authentication!");
}
}
decimal ttlValue = numericUpDown1.Value;
var sasBuilder = new SharedAccessSignatureBuilder()
{
Key = this.selectedDeviceKey,
Target = String.Format("{0}/devices/{1}", iotHubHostName, WebUtility.UrlEncode(this.selectedDeviceId)),
TimeToLive = TimeSpan.FromDays(Convert.ToDouble(ttlValue))
};
sasRichTextBox.Text = deviceConnectionStringWithSAS(sasBuilder.ToSignature()) + "\r\n";
}
catch (Exception ex)
{
using (new CenterDialog(this))
{
MessageBox.Show($"Unable to generate SAS.\n{ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
