Java 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. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpRequest;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example assumes the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        String integrationKey = "DIMS3V5QDVG9J9ABRXC4";
        String secretKey = "HWVQ46nubLBxhnRlKddTltWIi3hL0fIQF2qTvLab";

        Http http = new Http();

        http.setAccept("application/json");

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

        http.setLogin(integrationKey);
        http.setPassword(secretKey);

        HttpRequest req = new HttpRequest();
        req.addParam("username", "matt");

        req.setHttpVerb("POST");
        req.setContentType("application/x-www-form-urlencoded");

        HttpResponse resp = new HttpResponse();
        try {
            http.httpReq(url, req, resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("status code = " + resp.getStatusCode());

        JsonObject json = new JsonObject();
        json.load(resp.getBodyStr());
        json.setEmitCompact(false);
        System.out.println(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

        String device = "";
        String display_name = "";
        String name = "";
        String number = "";
        String v_type = "";
        int j = 0;
        int count_j = 0;
        String strVal = "";

        String responseResult = json.stringOf("response.result");
        String responseStatus_msg = json.stringOf("response.status_msg");
        String stat = json.stringOf("stat");
        int i = 0;
        int count_i = json.sizeOfArray("response.devices");
        while (i < count_i) {
            json.setI(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.setJ(j);
                strVal = json.stringOf("response.devices[i].capabilities[j]");
                j = j + 1;
            }

            i = i + 1;
        }
    }
}