Add OAUTH2 OIDC login support (#1140)

* Somewhat working

* Change Autocreate logic

* Add OAuth Error Message if Auto create Disabled

* Display OAUTH2 username(email) in Account Settings

* Disable Change user/pass for Oauth2 user

* Hide SSO Button if SSO login Disabled

* Remove some spaces and comments

* Add OAUTH2 Login example docker-compose file

* Add Some Comments

* Hide Printing of Client secret

* Remove OAUTH2 Beans

and replace with applicationProperties

* Add conditional annotation to Bean Creation

* Update settings.yml.template

Add OAUTH2 enabling template.

* Update messages_en_GB.properties

src/main/java/stirling/software/SPDF/config/security/CustomLogoutSuccessHandler.java

@@ -0,0 +1,43 @@
+package stirling.software.SPDF.config.security;
+
+import java.io.IOException;
+
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpSession;
+import jakarta.servlet.ServletException;
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.session.SessionRegistry;
+import org.springframework.security.core.session.SessionRegistryImpl;
+import org.springframework.security.web.authentication.logout.SimpleUrlLogoutSuccessHandler;
+
+public class CustomLogoutSuccessHandler extends SimpleUrlLogoutSuccessHandler
+{
+    @Bean
+    public SessionRegistry sessionRegistry() {
+        return new SessionRegistryImpl();
+    }
+
+    @Override
+    public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException
+    {
+        HttpSession session = request.getSession(false);
+        if (session != null) {
+            String sessionId = session.getId();
+            sessionRegistry()
+                    .removeSessionInformation(
+                            sessionId);
+        }
+
+        if(request.getParameter("oauth2AutoCreateDisabled") != null)
+        {
+            response.sendRedirect(request.getContextPath()+"/login?error=oauth2AutoCreateDisabled");
+        }
+        else
+        {
+            response.sendRedirect(request.getContextPath() + "/login?logout=true");
+        }
+    }
+}