(Lianja) 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.

Note: This example requires Chilkat v9.5.0.89 or greater.

For more information, see https://duo.com/docs/authapi#/preauth

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

lcIntegrationKey = "DIMS3V5QDVG9J9ABRXC4"
lcSecretKey = "HWVQ46nubLBxhnRlKddTltWIi3hL0fIQF2qTvLab"

loHttp = createobject("CkHttp")

loHttp.Accept = "application/json"

// Use your own hostname here:
lcUrl = "https://api-a03782e1.duosecurity.com/auth/v2/preauth"

// 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.
loHttp.Login = lcIntegrationKey
loHttp.Password = lcSecretKey

loReq = createobject("CkHttpRequest")
loReq.AddParam("username","matt")

loResp = loHttp.PostUrlEncoded(lcUrl,loReq)
if (loHttp.LastMethodSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loReq
    return
endif

? "status code = " + str(loResp.StatusCode)

loJson = createobject("CkJsonObject")
llSuccess = loJson.Load(loResp.BodyStr)
loJson.EmitCompact = .F.
? loJson.Emit()

release loResp

// 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

lcResponseResult = loJson.StringOf("response.result")
lcResponseStatus_msg = loJson.StringOf("response.status_msg")
lcStat = loJson.StringOf("stat")
i = 0
lnCount_i = loJson.SizeOfArray("response.devices")
do while i < lnCount_i
    loJson.I = i
    lcDevice = loJson.StringOf("response.devices[i].device")
    lcDisplay_name = loJson.StringOf("response.devices[i].display_name")
    lcName = loJson.StringOf("response.devices[i].name")
    lcNumber = loJson.StringOf("response.devices[i].number")
    lcV_type = loJson.StringOf("response.devices[i].type")
    j = 0
    lnCount_j = loJson.SizeOfArray("response.devices[i].capabilities")
    do while j < lnCount_j
        loJson.J = j
        lcStrVal = loJson.StringOf("response.devices[i].capabilities[j]")
        j = j + 1
    enddo
    i = i + 1
enddo


release loHttp
release loReq
release loJson