Xojo Plugin Requires Chilkat v11.0.0+

Duo Auth API - Preauth

See more Duo Auth MFA Examples

The /preauth endpoint determines whether a user is authorized to log in, and (if so) returns the user's available authentication factors. Xojo Plugin

Dim success As Boolean
success = False

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

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

Dim http As New Chilkat.Http

http.Accept = "application/json"

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

http.Login = integrationKey
http.Password = secretKey

Dim req As New Chilkat.HttpRequest
req.AddParam "username","matt"

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

Dim resp As New Chilkat.HttpResponse
success = http.HttpReq(url,req,resp)
If (success = False) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

System.DebugLog("status code = " + Str(resp.StatusCode))

Dim json As New Chilkat.JsonObject
success = json.Load(resp.BodyStr)
json.EmitCompact = False
System.DebugLog(json.Emit())

//  Sample successful output:

//  status code = 200

//  {
//    "response": {
//      "devices": [
//        {
//          "capabilities": [
//            "auto",
//            "push",
//            "sms",
//            "mobile_otp"
//          ],
//          "device": "DP6GYVTQ5NK82BMR851F",
//          "display_name": "iOS (XXX-XXX-1871)",
//          "name": "",
//          "number": "XXX-XXX-1871",
//          "type": "phone"
//        }
//      ],
//      "result": "auth",
//      "status_msg": "Account is active"
//    },
//    "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 device As String
Dim display_name As String
Dim name As String
Dim number As String
Dim v_type As String
Dim j As Int32
Dim count_j As Int32
Dim strVal As String

Dim responseResult As String
responseResult = json.StringOf("response.result")
Dim responseStatus_msg As String
responseStatus_msg = json.StringOf("response.status_msg")
Dim stat As String
stat = json.StringOf("stat")
Dim i As Int32
i = 0
Dim count_i As Int32
count_i = json.SizeOfArray("response.devices")
While i < count_i
    json.I = i
    device = json.StringOf("response.devices[i].device")
    display_name = json.StringOf("response.devices[i].display_name")
    name = json.StringOf("response.devices[i].name")
    number = json.StringOf("response.devices[i].number")
    v_type = json.StringOf("response.devices[i].type")
    j = 0
    count_j = json.SizeOfArray("response.devices[i].capabilities")
    While j < count_j
        json.J = j
        strVal = json.StringOf("response.devices[i].capabilities[j]")
        j = j + 1
    Wend
    i = i + 1
Wend