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C++

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.

Chilkat C++ Downloads

C++
#include <CkHttp.h>
#include <CkHttpRequest.h>
#include <CkHttpResponse.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    const char *integrationKey = "DIMS3V5QDVG9J9ABRXC4";
    const char *secretKey = "HWVQ46nubLBxhnRlKddTltWIi3hL0fIQF2qTvLab";

    CkHttp http;

    http.put_Accept("application/json");

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

    http.put_Login(integrationKey);
    http.put_Password(secretKey);

    CkHttpRequest req;
    req.AddParam("username","matt");

    req.put_HttpVerb("POST");
    req.put_ContentType("application/x-www-form-urlencoded");

    CkHttpResponse resp;
    success = http.HttpReq(url,req,resp);
    if (success == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "status code = " << resp.get_StatusCode() << "\r\n";

    CkJsonObject json;
    success = json.Load(resp.bodyStr());
    json.put_EmitCompact(false);
    std::cout << json.emit() << "\r\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

    //  Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    //  See this example explaining how this memory should be used: const char * functions.

    const char *device = 0;
    const char *display_name = 0;
    const char *name = 0;
    const char *number = 0;
    const char *v_type = 0;
    int j;
    int count_j;
    const char *strVal = 0;

    const char *responseResult = json.stringOf("response.result");
    const char *responseStatus_msg = json.stringOf("response.status_msg");
    const char *stat = json.stringOf("stat");
    int i = 0;
    int count_i = json.SizeOfArray("response.devices");
    while (i < count_i) {
        json.put_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.put_J(j);
            strVal = json.stringOf("response.devices[i].capabilities[j]");
            j = j + 1;
        }

        i = i + 1;
    }
    }