Qt Desktop App

A Qt desktop app example for Casdoor.

How to run example

Prerequisites

Qt6 sdk

OpenSSL toolkit

Initialization

You need to initialize 7 parameters, which are all string type:

Name	Description	File
endpoint	Your Casdoor server host/domain	mainwindow.h
client_id	The Client ID of your Casdoor application	mainwindow.h
client_secret	The Client Secret of your Casdoor application	mainwindow.h
certificate	The public key for the Casdoor application's cert	mainwindow.h
org_name	The name of your Casdoor organization	mainwindow.h
app_name	The name of your Casdoor application	mainwindow.h
redirect_url	The path of the callback URL for your Casdoor application, will be http://localhost:8080/callback if not provided	mainwindow.h

If you don't set the parameter endpoint, this project will use the http://localhost:8000 as the defult Casdoor server.

Running

Qt Creator

1. Open casdoor-cpp-qt-example.pro
2. Set the INCLUDEPATH of OpenSSL in casdoor-cpp-qt-example.pro
3. Press Ctrl + R to start

Preview

After you run this Qt desktop application, a new window will be showed on your desktop.

If you click Sign In botton, a login window will be showed on your desktop.

After you login successfully, a user profile window will be showed on your desktop, it dispaly your user information.

You can preview the whole process by the gif image below.

How to integrate

Open the login window

// Load and display the login page of Casdoor
m_webview->page()->load(*m_signin_url);
m_webview->show();

Listen to the open application event

// Initialize the TcpServer object and listen on port 8080
m_tcpserver = new QTcpServer(this);
if(!m_tcpserver->listen(QHostAddress::LocalHost, 8080)) {
    qDebug() << m_tcpserver->errorString();
    close();
}
connect(m_tcpserver, SIGNAL(newConnection()), this, SLOT(on_tcp_connected()));

Use auth code to get the user info

// Get token and parse it with the JWT library
std::string token = m_casdoor->GetOAuthToken(code.toStdString());
auto decoded = m_casdoor->ParseJwtToken(token);