C++

Moody's REST API - Get OAuth2 Token

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Demonstrates how to get an OAuth2 access token for the Moody's REST API. C++

#include <CkHttp.h>
#include <CkHttpRequest.h>
#include <CkHttpResponse.h>
#include <CkFileAccess.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.

    CkHttp http;

    CkHttpRequest req;
    req.AddParam("grant_type","password");
    req.AddParam("scope","api/ratings api/addin rest");
    req.AddParam("username","my_username");
    req.AddParam("password","my_password");
    // I have no idea of where to get the client_id or client_secret.
    // When you create a Moody's App, it only provides an "API Key".
    req.AddParam("client_id","my_client_id");
    req.AddParam("client_secret","my_client_secret");

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

    CkHttpResponse resp;
    success = http.HttpReq("https://api.moodys.com/OAuth/Token",req,resp);
    if (success == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "status code = " << resp.get_StatusCode() << "\r\n";
    const char *responseBody = resp.bodyStr();
    std::cout << responseBody << "\r\n";

    // Save the JSON to a file for future requests.
    if (resp.get_StatusCode() == 200) {
        CkFileAccess fac;
        fac.WriteEntireTextFile("qa_data/tokens/moodys.json",resp.bodyStr(),"utf-8",false);
    }
    }