B4X Requires Chilkat v11.0.0+

Duo Auth API - Auth

See more Duo Auth MFA Examples

The /auth endpoint performs second-factor authentication for a user by sending a push notification to the user's smartphone app, verifying a passcode, or placing a phone call. It is also used to send the user a new batch of passcodes via SMS. B4X

Dim success As Boolean = False

'  This example assumes the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim integrationKey As String = "DIMS3V5QDVG9J9ABRXC4"
Dim secretKey As String = "HWVQ46nubLBxhnRlKddTltWIi3hL0fIQF2qTvLab"

Dim http As ChilkatHttp
http.Initialize("http")

http.Accept = "application/json"

'  Use your own hostname here:
Dim url As String = "https://api-a03782e1.duosecurity.com/auth/v2/auth"

'  This example requires Chilkat v9.5.0.89 or greater because Chilkat will automatically
'  generate and send the HMAC signature for the requires based on the integration key and secret key.
http.Login = integrationKey
http.Password = secretKey

Dim req As ChilkatHttpRequest
req.Initialize
req.AddParam("username", "matt")
req.AddParam("factor", "push")
'  The device ID can be obtained from the preauth response.  See Duo Preauth Example
req.AddParam("device", "DP6GYVTQ5NK82BMR851F")

req.HttpVerb = "POST"
req.ContentType = "application/x-www-form-urlencoded"

Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpReq(url, req, resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


Log("status code = " & resp.StatusCode)

Dim json As ChilkatJsonObject
json.Initialize
success = json.Load(resp.BodyStr)
json.EmitCompact = False
Log(json.Emit)

'  Sample successful output:

'  status code = 200

'  {
'    "response": {
'      "result": "allow",
'      "status": "allow",
'      "status_msg": "Success. Logging you in..."
'    },
'    "stat": "OK"
'  }

'  Sample code to parse the above JSON response..

'  Use this online tool to generate parsing code from sample JSON: 
'  Generate Parsing Code from JSON

Dim responseResult As String = json.StringOf("response.result")
Dim responseStatus As String = json.StringOf("response.status")
Dim responseStatus_msg As String = json.StringOf("response.status_msg")
Dim stat As String = json.StringOf("stat")