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C++

Duo Auth API - Async Auth

See more Duo Auth MFA Examples

If you enable async, then your application will be able to retrieve real-time status updates from the authentication process, rather than receiving no information until the process is complete.

Chilkat C++ Downloads

C++
#include <CkHttp.h>
#include <CkHttpRequest.h>
#include <CkHttpResponse.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.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/auth";

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

    CkHttpRequest req;
    req.AddParam("username","matt");
    req.AddParam("factor","push");
    //  The device ID can be obtained from the preauth response.  See Duo Preauth Example
    req.AddParam("device","DP6GYVTQ5NK82BMR851F");
    //  Add the async param to get an immediate response, then periodically check for updates to find out when the MFA authentication completes for fails.
    req.AddParam("async","1");

    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";

    if (resp.get_StatusCode() != 200) {
        return;
    }

    //  Sample successful output:

    //  status code = 200

    //  {
    //    "stat": "OK",
    //    "response": {
    //      "txid": "45f7c92b-f45f-4862-8545-e0f58e78075a"
    //    }
    //  }

    const char *txid = json.stringOf("response.txid");

    //  Use your own hostname here:
    CkStringBuilder sbUrl;
    sbUrl.Append("https://api-a03782e1.duosecurity.com/auth/v2/auth_status?txid=");
    sbUrl.Append(txid);
    const char *url = sbUrl.getAsString();

    std::cout << "Auth status URL: " << url << "\r\n";

    CkStringBuilder sbResult;
    const char *responseStatus = 0;
    const char *responseStatus_msg = 0;

    //  Wait for a response...
    int i = 0;
    int maxWaitIterations = 100;
    while (i < maxWaitIterations) {
        //  Wait 3 seconds.
        http.SleepMs(3000);

        std::cout << "Polling..." << "\r\n";

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

        if (resp.get_StatusCode() != 200) {
            std::cout << "error status code = " << resp.get_StatusCode() << "\r\n";
            std::cout << resp.bodyStr() << "\r\n";
            std::cout << "Failed." << "\r\n";
            return;
        }

        //  Sample response:

        //  	{
        //  	  "stat": "OK",
        //  	  "response": {
        //  	    "result": "waiting",
        //  	    "status": "pushed",
        //  	    "status_msg": "Pushed a login request to your phone..."
        //  	  }
        //  	}

        json.Load(resp.bodyStr());

        //  The responseResult can be "allow", "deny", or "waiting"
        sbResult.Clear();
        json.StringOfSb("response.result",sbResult);
        responseStatus = json.stringOf("response.status");
        responseStatus_msg = json.stringOf("response.status_msg");

        std::cout << sbResult.getAsString() << "\r\n";
        std::cout << responseStatus << "\r\n";
        std::cout << responseStatus_msg << "\r\n";
        std::cout << "" << "\r\n";

        if (sbResult.ContentsEqual("waiting",true) == true) {
            i = i + 1;
        }
        else {
            //  Force loop exit..
            i = maxWaitIterations;
        }

    }

    std::cout << "Finished." << "\r\n";
    }