PHP ActiveX 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. PHP ActiveX

<?php

$success = 0;

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

$integrationKey = 'DIMS3V5QDVG9J9ABRXC4';
$secretKey = 'HWVQ46nubLBxhnRlKddTltWIi3hL0fIQF2qTvLab';

$http = new COM("Chilkat.Http");

$http->Accept = 'application/json';

//  Use your own hostname here:
$url = 'https://api-a03782e1.duosecurity.com/auth/v2/preauth';

$http->Login = $integrationKey;
$http->Password = $secretKey;

$req = new COM("Chilkat.HttpRequest");
$req->AddParam('username','matt');

$req->HttpVerb = 'POST';
$req->ContentType = 'application/x-www-form-urlencoded';

$resp = new COM("Chilkat.HttpResponse");
$success = $http->HttpReq($url,$req,$resp);
if ($success == 0) {
    print $http->LastErrorText . "\n";
    exit;
}

print 'status code = ' . $resp->StatusCode . "\n";

$json = new COM("Chilkat.JsonObject");
$success = $json->Load($resp->BodyStr);
$json->EmitCompact = 0;
print $json->emit() . "\n";

//  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

$responseResult = $json->stringOf('response.result');
$responseStatus_msg = $json->stringOf('response.status_msg');
$stat = $json->stringOf('stat');
$i = 0;
$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;
    }

    $i = $i + 1;
}


?>