Add support for okta saml login

GPClient/com.yuezk.qt.gpclient.desktop

@@ -4,7 +4,7 @@ Type=Application
 Version=1.0.0
 Name=GlobalProtect VPN
 Comment=GlobalProtect VPN client, supports SAML auth mode
-Exec=/usr/local/bin/gpclient
+Exec=/usr/bin/gpclient
 Icon=com.yuezk.qt.GPClient
 Categories=Network;VPN;Utility;Qt;
 Keywords=GlobalProtect;Openconnect;SAML;connection;VPN;

GPClient/gpclient.cpp

@@ -80,13 +80,13 @@ void GPClient::preloginResultFinished()
         return;
     }
 
-    QByteArray bytes = reply->readAll();
+    QByteArray xmlBytes = reply->readAll();
     const QString tagMethod = "saml-auth-method";
     const QString tagRequest = "saml-request";
     QString samlMethod;
     QString samlRequest;
 
-    QXmlStreamReader xml(bytes);
+    QXmlStreamReader xml(xmlBytes);
     while (!xml.atEnd()) {
         xml.readNext();
         if (xml.tokenType() == xml.StartElement) {
@@ -105,11 +105,7 @@ void GPClient::preloginResultFinished()
     }
 
     if (samlMethod == "POST") {
-        // TODO
-        emit connectFailed();
-        QMessageBox msgBox;
-        msgBox.setText("TODO: SAML method is POST");
-        msgBox.exec();
+        samlLogin(reply->url().toString(), samlRequest);
     } else if (samlMethod == "REDIRECT") {
         samlLogin(samlRequest);
     }
@@ -214,14 +210,14 @@ void GPClient::doAuth(const QString portal)
     connect(reply, &QNetworkReply::finished, this, &GPClient::preloginResultFinished);
 }
 
-void GPClient::samlLogin(const QString loginUrl)
+void GPClient::samlLogin(const QString loginUrl, const QString html)
 {
     SAMLLoginWindow *loginWindow = new SAMLLoginWindow(this);
 
     QObject::connect(loginWindow, &SAMLLoginWindow::success, this, &GPClient::onLoginSuccess);
     QObject::connect(loginWindow, &SAMLLoginWindow::rejected, this, &GPClient::connectFailed);
 
-    loginWindow->login(loginUrl);
+    loginWindow->login(loginUrl, html);
     loginWindow->exec();
     delete loginWindow;
 }

GPClient/gpclient.h

@@ -42,6 +42,6 @@ private:
     void moveCenter();
     void updateConnectionStatus(QString status);
     void doAuth(const QString portal);
-    void samlLogin(const QString loginUrl);
+    void samlLogin(const QString loginUrl, const QString html = "");
 };
 #endif // GPCLIENT_H

GPClient/samlloginwindow.cpp

@@ -27,9 +27,13 @@ void SAMLLoginWindow::closeEvent(QCloseEvent *event)
     reject();
 }
 
-void SAMLLoginWindow::login(QString url)
+void SAMLLoginWindow::login(QString url, QString html)
 {
-    webView->load(QUrl(url));
+    if (html == "") {
+        webView->load(QUrl(url));
+    } else {
+        webView->setHtml(html, url);
+    }
 }
 
 void SAMLLoginWindow::onResponseReceived(QJsonObject params)

GPClient/samlloginwindow.h

@@ -15,7 +15,7 @@ public:
     explicit SAMLLoginWindow(QWidget *parent = nullptr);
     ~SAMLLoginWindow();
 
-    void login(QString url);
+    void login(QString url, QString html = "");
 
 signals:
     void success(QJsonObject samlResult);

GPService/dbus/com.yuezk.qt.GPService.service

@@ -1,5 +1,5 @@
 [D-BUS Service]
 Name=com.yuezk.qt.GPService
-Exec=/usr/local/bin/gpservice
+Exec=/usr/bin/gpservice
 User=root
 SystemdService=gpservice.service

GPService/systemd/gpservice.service

@@ -4,7 +4,7 @@ Description=GlobalProtect openconnect DBus service
 [Service]
 Type=dbus
 BusName=com.yuezk.qt.GPService
-ExecStart=/usr/local/bin/gpservice
+ExecStart=/usr/bin/gpservice
 
 [Install]
 WantedBy=multi-user.target

README.md

@@ -19,10 +19,16 @@ A GlobalProtect VPN client (GUI) for Linux based on Openconnect and built with Q
     ```
 ## Install
 
+### Install from AUR (Arch/Manjaro)
+
+Install [globalprotect-openconnect](https://aur.archlinux.org/packages/globalprotect-openconnect/).
+
+### Build from source code
+
 ```sh
 git clone https://github.com/yuezk/GlobalProtect-openconnect.git
 cd GlobalProtect-openconnect
-git submodule init && git submodule update
+git submodule update --init
 qmake CONFIG+=release
 make
 sudo make install