Getting google access_token

I had problems with the way to access the Google APIs, I was able to connect to Google, which otaining the authorization code.
However, the way Exchange code for the access token and refresh for the tokens that the problem, Google docs, only they provide an example of Javascript, but I dug and here is what I got:

QUrl postUrl = QUrl("https://accounts.google.com/o/oauth2/token");
    QNetworkRequest request(postUrl);
    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
    QUrl params;
// the auth code has been saved as code to declared QSettings settings
     params.addQueryItem("code=", settings->value("key").value().append(" "));
        params.addQueryItem("client_id=", "");
        params.addQueryItem("client_secret=", " ");
        params.addQueryItem("redirect_uri=", "urn:ietf:wg:oauth:2.0:oob&");
        params.addQueryItem("grant_type=", "authorization_code");

        QNetworkReply* reply = m_networkmanager::post(request, params.encodedQuery());
           bool ok = connect(reply, SIGNAL(finished()), this, SLOT(checkReply()));
           Q_ASSERT(ok);
           Q_UNUSED(ok);

the answer I get is 'Bad Request'.

Please what am I doing wrong?.
How I put it right?.

OAuth2 is complicated and poorly documented. You're doing C++? I have a class C++ OAuth2 library I wrote for my support application that manages Google OAuth by encapsulating the functioinal but clumsy OAuthQt library. All sites don't OAuth2 slightly differently and my library has been designed to be extensible to any variation that I needed in the future. Currently it handles only Google and Bitly, but I intend to develop many popular services and eventually publish under a Creative Commons license. I'm not willing to share the source code, but if you do things in C++ (or could do this way), I'd build you libraries arm and i86 and supply you with the header files you would use.

I am very careful when writing to my class for the Google libraries and Bitly classes both have the syntax of fully functional Builder so you can create and configure the OAuth with a single statement. Because I'm not ready to release this publicly I do have documentation so you should discuss with me to understand.

I must warn you that, even with a powerful helper like mine, OAuth2 class is quite complicated.

Tags: BlackBerry Developers

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