(Visual FoxPro) 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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

LOCAL lcIntegrationKey
LOCAL lcSecretKey
LOCAL loHttp
LOCAL lcUrl
LOCAL loReq
LOCAL loResp
LOCAL loJson
LOCAL lnSuccess
LOCAL lcDevice
LOCAL lcDisplay_name
LOCAL lcName
LOCAL lcNumber
LOCAL lcV_type
LOCAL j
LOCAL lnCount_j
LOCAL lcStrVal
LOCAL lcResponseResult
LOCAL lcResponseStatus_msg
LOCAL lcStat
LOCAL i
LOCAL lnCount_i

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

lcIntegrationKey = "DIMS3V5QDVG9J9ABRXC4"
lcSecretKey = "HWVQ46nubLBxhnRlKddTltWIi3hL0fIQF2qTvLab"

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Http')
loHttp = CreateObject('Chilkat.Http')

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

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.HttpRequest')
loReq = CreateObject('Chilkat.HttpRequest')
loReq.AddParam("username","matt")

loResp = loHttp.PostUrlEncoded(lcUrl,loReq)
IF (loHttp.LastMethodSuccess = 0) THEN
    ? loHttp.LastErrorText
    RELEASE loHttp
    RELEASE loReq
    CANCEL
ENDIF

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

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject')
loJson = CreateObject('Chilkat.JsonObject')
lnSuccess = loJson.Load(loResp.BodyStr)
loJson.EmitCompact = 0
? 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