(C++) Test Salesforce OAuth2 Access Token

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#include <CkHttp.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    // This example does the following:

    // curl -X GET https://yourInstance.salesforce.com/services/oauth2/userinfo \
    //      -H "Authorization: Bearer YOUR_ACCESS_TOKEN"

    CkHttp http;

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    // This example assumes the OAuth2 access token was previously fetched 
    // and saved to a file.  See Get SalesForce OAuth2 Access Token via Authorization Flow

    CkJsonObject json;
    bool success = json.LoadFile("qa_data/tokens/_salesforce.json");
    if (success == false) {
        std::cout << "Failed to load OAuth2 access token." << "\r\n";
        return;
    }

    // Here's an example of the JSON:

    // {
    //   "access_token": "00D41000....uLZBpT6",
    //   "refresh_token": "5Aep....25xdGgkrV",
    //   "signature": "cjTbSc5DvcKpaMoRTzuQTJLb1tcMw8LEO01flq4aMD4=",
    //   "scope": "refresh_token id",
    //   "instance_url": "https://d41000000f8a0eak-dev-ed.my.salesforce.com",
    //   "id": "https://login.salesforce.com/id/00D41000000F8A0EAK/005410000....xAAE",
    //   "token_type": "Bearer",
    //   "issued_at": "1738348388166"
    // }

    // Adds the "Authorization: Bearer YOUR_ACCESS_TOKEN" header.
    http.put_AuthToken(json.stringOf("access_token"));

    // We want to build the following URL:  https://<instance_id>.salesforce.com/services/oauth2/userinfo
    CkStringBuilder sbUrl;
    sbUrl.Append(json.stringOf("instance_url"));
    sbUrl.Append("/services/oauth2/userinfo");

    CkStringBuilder sbResponseBody;
    success = http.QuickGetSb(sbUrl.getAsString(),sbResponseBody);
    if (success == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "Response status code = " << http.get_LastStatus() << "\r\n";

    CkJsonObject jsonResponse;
    jsonResponse.LoadSb(sbResponseBody);
    jsonResponse.put_EmitCompact(false);
    std::cout << jsonResponse.emit() << "\r\n";

    // The expected JSON response is something like this:

    // {
    //   "sub": "005xxxxxxxxxxxx",
    //   "name": "John Doe",
    //   "preferred_username": "johndoe@example.com",
    //   "email": "johndoe@example.com",
    //   "profile": "https://na85.salesforce.com/005xxxxxxxxxxxx"
    // ...
    // ...
    // }
    }