diff --git a/src/authentication.cpp b/src/authentication.cpp
index e69de29b..ce46e7e1 100644
--- a/src/authentication.cpp
+++ b/src/authentication.cpp
@@ -0,0 +1,122 @@
+#include "ruqola.h"
+#include "authentication.h"
+
+
+#include <QAbstractOAuthReplyHandler>
+#include <QOAuth2AuthorizationCodeFlow>
+#include <QtCore>
+#include <QFile>
+
+Authentication::Authentication(){
+
+    m_google->setScope("email");
+//    connect(m_google, &QOAuth2AuthorizationCodeFlow::authorizeWithBrowser, this, &QDesktopServices::openUrl);
+//    connect(&m_google, &QOAuth2AuthorizationCodeFlow::granted, this, &Authentication::onGranted());
+
+
+}
+
+
+
+void Authentication::OAuthLogin() {
+    QJsonObject authKeys;
+    authKeys["credentialToken"] = m_client_id;
+    authKeys["credentialSecret"] = m_client_secret;
+
+    Ruqola::self()->ddp()->method("login", QJsonDocument(authKeys));
+
+}
+
+
+void Authentication::getDataFromJson(){
+
+    QDir cacheDir(":/src/client_secret.json");
+    if (!cacheDir.exists(cacheDir.path())) {
+        cacheDir.mkpath(cacheDir.path());
+    }
+
+    QFile f(cacheDir.absoluteFilePath("client_secret.json"));
+
+    QString val;
+    if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            val = f.readAll();
+    }
+
+    QJsonDocument document = QJsonDocument::fromJson(val.toUtf8());
+    QJsonObject object = document.object();
+    const auto settingsObject = object["web"].toObject();
+    const QUrl authUri(settingsObject["auth_uri"].toString());
+    const auto clientId = settingsObject["client_id"].toString();
+    const QUrl tokenUri(settingsObject["token_uri"].toString());
+    const auto clientSecret(settingsObject["client_secret"].toString());
+    const auto redirectUris = settingsObject["redirect_uris"].toArray();
+    const QUrl redirectUri(redirectUris[0].toString());
+    const auto port = static_cast<quint16>(redirectUri.port());
+
+    m_google->setAuthorizationUrl(authUri);
+    m_google->setClientIdentifier(clientId);
+    m_google->setAccessTokenUrl(tokenUri);
+    m_google->setClientIdentifierSharedKey(clientSecret);
+
+    auto replyHandler = new QOAuthHttpServerReplyHandler(port, this);
+    m_google->setReplyHandler(replyHandler);
+
+    // If user grants the permissions, client receives a QOAuth2AuthorizationCodeFlow::granted signal
+    // and can then start sending authorized requests.
+    m_google->grant();
+
+}
+
+void Authentication::onGranted()
+{
+    m_authGranted = true;
+}
+
+void Authentication::sendApiRequest()
+{
+   if(!m_authGranted) return;
+
+   //Try sending a request using https://www.googleapis.com/plus/v1/people/me
+   auto reply = m_google->get(QUrl("https://www.googleapis.com/plus/v1/people/me"));
+}
+
+
+/*
+ * Handle the OAuth 2.0 server response
+ * Exchange authorization code for refresh and access tokens
+ *
+ *
+ *
+ * REQUEST
+ * ------------------------
+ *  POST /oauth2/v4/token HTTP/1.1
+    Host: www.googleapis.com
+    Content-Type: application/x-www-form-urlencoded
+
+    code=4/P7q7W91a-oMsCeLvIaQm6bTrgtp7&
+    client_id=your_client_id&
+    client_secret=your_client_secret&
+    redirect_uri=https://oauth2.example.com/code&
+    grant_type=authorization_code
+
+
+Google responds to this request by returning a JSON object that contains a short-lived access token and a refresh token.
+
+  *RESPONSE
+  * ----------------------------
+  * The following snippet shows a sample response:
+
+    {
+      "access_token":"1/fFAGRNJru1FTz70BzhT3Zg",
+      "expires_in":3920,
+      "token_type":"Bearer",
+      "refresh_token":"1/xEoDL4iW3cxlI7yDbSRFYNG01kVKM2C-259HOF2aQbI"
+    }
+
+
+ *CALLING GOOGLE APIs
+ * -------------------------------
+    GET https://www.googleapis.com/drive/v2/files?access_token=<access_token>
+
+
+*/
diff --git a/src/authentication.h b/src/authentication.h
index 399b763b..8406ab6c 100644
--- a/src/authentication.h
+++ b/src/authentication.h
@@ -1,4 +1,32 @@
 #ifndef AUTHENTICATION_H
 #define AUTHENTICATION_H
 
+
+#include <QtNetworkAuth>
+#include <QOAuth2AuthorizationCodeFlow>
+
+class Authentication : public QObject
+{
+    Q_OBJECT
+public:
+    Authentication();
+    void getDataFromJson();
+    void OAuthLogin();
+    void sendApiRequest();
+
+private slots:
+    void onGranted();
+
+
+private:
+    bool m_authGranted;
+    QString m_client_id;
+    QString m_client_secret;
+    QOAuth2AuthorizationCodeFlow * m_google;
+
+};
+
+
+
+
 #endif // AUTHENTICATION_H
diff --git a/src/client_secret.json b/src/client_secret.json
new file mode 100644
index 00000000..dd0e3d15
--- /dev/null
+++ b/src/client_secret.json
@@ -0,0 +1 @@
+{"web":{"client_id":"143580046552-s4rmnq5mg008u76id0d3rl63od985hc6.apps.googleusercontent.com","project_id":"ruqola-161705","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://accounts.google.com/o/oauth2/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"nyVm19iOjjtldcCZJ-7003xg","redirect_uris":["http://localhost:8080/cb","http://127.0.0.1:3000"]}}
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