Fix #28624: redirect to main page after login

Author: LEDfan

src/main/java/eu/openanalytics/containerproxy/auth/impl/OpenIDAuthenticationBackend.java

@@ -105,6 +105,7 @@ public void configureHttpSecurity(HttpSecurity http, AuthorizedUrl anyRequestCon
 		http
 			.oauth2Login()
 				.loginPage("/login")
+				.defaultSuccessUrl("/", true)
 				.clientRegistrationRepository(clientRegistrationRepo)
 				.authorizedClientRepository(oAuth2AuthorizedClientRepository)
 				.authorizationEndpoint()

src/main/java/eu/openanalytics/containerproxy/security/WebSecurityConfig.java

@@ -175,6 +175,7 @@ public void handle(HttpServletRequest request, HttpServletResponse response, Acc
 			http
 				.formLogin()
 					.loginPage("/login")
+					.successForwardUrl("/")
 					.and()
 				.logout()
 					.logoutUrl(auth.getLogoutURL())
@@ -218,4 +219,4 @@ public AuthenticationManager authenticationManagerBean() throws Exception {
 		return super.authenticationManagerBean();
 	}
 
-}
+}