Spring Boot Login Logout Session and Roles Mysql Updated FREE

Spring Boot Login Logout Session and Roles Mysql

In this article of Spring security tutorial, we will talk nearly the spring security session management. Nosotros will talk about the distinct features of Leap security which helps us in efficient and secure session management.

Spring Security Session

This article will talk through the spring security session management and how the spring security helps us to control the HTTP sessions.Spring security use the post-obit options to control the HTTP session functionalities

  1. SessionManagementFilter.
  2. SessionAuthneticationStrategy

These two helps spring security to manage the post-obit options in the security session:

  1. Session Timeout detection and handling.
  2. Concurrent sessions (how many sessions an authenticated user may have open concurrently).
  3. Session-fixation – handle the session

Let's run into the these options in details

1. When Is Session Created

Spring security provides unlike option to control the session creation. Information technology provides u.s.a. pick to configure when the session volition be created and how we can collaborate with the session. Here are the option available in the security which can help us configure and control the session creation.

  1. SessionCreationPolicy.Ever – Session will always be created (if it does not exist).
  2. SessionCreationPolicy.NEVER – Spring Security will never create a HttpSession, merely volition use the HttpSession if information technology already exists (available through application server)
  3. SessionCreationPolicy.IF_REQUIRED – Spring Security will only create a HttpSession if required (default configuration. If you don't specify, Jump security will use this option)
  4. SessionCreationPolicy.STATELESS – Bound Security will never create a HttpSession and it will never utilise it to become the SecurityContext.

For login based, application SessionCreationPolicy. IF_REQUIRED works for most cases and is also the default in Bound security.For a typical web application.To change the session creation policy in Spring security, we can override the configure method by overriding the WebSecurityConfigurerAdapter.

                @EnableWebSecurity public class AppSecurityConfig extends WebSecurityConfigurerAdapter {      @Override     protected void configure(HttpSecurity http) throws Exception {         http.sessionManagement()             .sessionCreationPolicy(SessionCreationPolicy.IF_REQUIRED);     } }

Let'due south keep in mind post-obit important points

  1. These configurations only command Spring security behavior but not your application. Your application might employ different session creation configurations.
  2. Past default, Spring security will create session when required. It can utilize the session created by your application outside of Spring security context. (remember sessions are created past application server).
  3. The STATELESS will ensure no session is created by Spring security, even so that does non mean that your awarding will non create any session. This policy just applies to Spring security context. You might nevertheless encounter JSESIONID in your application, and then don't recall that leap security configurations are not working.

Keep in listen that jump security handle the login and logout request with assistance of HTTP Session. The SessionCreationPolicy. STATELESS, Spring security will not employ the cookies and every asking needs re-authentication. I volition cover it in a unlike mail service but one of the other selection to use Spring session to manage your Spring session centrally.

1.one. Spring Security and HTTP Session

Jump security rely a lot on the HTTPSession and it'due south very important that we conspicuously understand how spring security uses the HTTPSession method internally. Here is a loftier-level overview of the procedure.

  1. Bound security use the SecurityContext and SecurityContextHolder to store the authenticated object. Authenticated object has information about the logged-in users.
  2. The SecurityContextPersistenceFilter retrieves the SecurityContext for a request using the SecurityContextRepository (cheque source lawmaking for SecurityContextPersistenceFilter).Spring security past default use the HttpSessionSecurityContextRepository which use the HTTPRequest to get the HTTPSession.
  3. Information technology volition store the SecurityContext in the SecurityContextHolder.
  4. This SecurityContext is available throughout the request life-cycle.
  5. At the end of the request cycle, SecurityContextPersistenceFilter will clear the SecurityContextHolder (cheque finally block in the SecurityContextPersistenceFilter)

2. Spring Security Session Timeout

After the session timeout, we can redirect utilize to specific folio if they submit a request with invalid session ID. To configure the redirect URL, nosotros tin use the configure method by overriding the WebSecurityConfigurerAdapter.

                @EnableWebSecurity public form AppSecurityConfig extends WebSecurityConfigurerAdapter {      @Override     protected void configure(HttpSecurity http) throws Exception {         http.sessionManagement()             .sessionCreationPolicy(SessionCreationPolicy.IF_REQUIRED)             .invalidSessionUrl("/login");     } }

If you lot are working in the XML configuration, you tin can utilise session-manegement element to do this:

                <http> ... <session-management invalid-session-url="/login" /> </http>

When you deploy a Spring Boot app to a standalone server, configuring the session timeout is washed in the aforementioned way as it would be in any other state of war deployment.

In the case of Tomcat we tin set the session timeout by configuring the maxInactiveInterval attribute on the manager element in server.xml or using the session-timeout element in web.xml. Notation that the first option will affect every app that's deployed to the Tomcat instance.

 2.1.  Configure the Session Timeout with Spring Boot

Spring Boot comes with a lot of defaults and make information technology more than like shooting fish in a barrel to configure and customize the beliefs using the awarding.properties file.To command the session timeout, use the following property

                server.servlet.session.timeout= 120s

While using it, proceed in heed the following important factors

  1. If you lot don't specific the time unit (s in our case), spring boot will assume 2nd as default unit.
  2. If you are on tomcat, it supports only infinitesimal precision e.k 187 will be treated as 3 minutes.

iii. Spring Security Concurrent Session Control

At that place are certain applications (mainly financial applications) where nosotros want to limit multiple logins for the same user. Information technology'south also useful where you want to sell your service based on number of users and similar to let only specified users based on the license (Like cloud services which are sold number of user business relationship basis). When users is authenticated and tried to re-authenticate them-self again, our application can reply in ane of the following ways:

  1. Invalidate the existing session and create new authenticated session.
  2. Keep exiting session and throw/ bear witness error message for the new login endeavor.
  3. Let both session to exists and permit user to login from dissimilar place.

Spring security supports the feature to limit multiple login for the same user through session management.The first step to enable this characteristic it to add the HttpSessionEventPublisher listener in your application. Adding a listener in spring kicking awarding is a bean configuration. The HttpSessionEventPublisher listener will keep bound security updated almost the session life-cycle events.

                /**  * We demand this bean for the session management. Specially if nosotros want to control the concurrent session-control support  * with Bound security.  * @return  */ @Bean public HttpSessionEventPublisher httpSessionEventPublisher() {     return new HttpSessionEventPublisher(); }

If you are using xml configurations, add the session-control support using the web.xml file:

                <listener> <listener-grade>     org.springframework.security.web.session.HttpSessionEventPublisher </listener-class> </listener>

3.1. Understanding Leap Security Concurrent Session Control

Leap Security concurrent session control is a powerful feature only make certain y'all understand it correctly before implementation. A wrong understanding can cause a lot of confusions and y'all might think that information technology is not working as expected. There are few important classes used internally by Spring security to enforce this feature. Here are some key components.

  1. SessionRegistry.
  2. ConcurrentSessionControlStrategy
  3. HttpSessionEventPublisher.
  4. SessionManagementFilter
  5. ConcurrentSessionFilter

Concurrent session command feature use the SessionRegistry to maintain a list of active HTTP session along with information of the associated authenticated users. Information technology updates this SessionRegistry at a real time by Spring security every-fourth dimension a session is created or destroy. We configured the HttpSessionEventPublisher earlier in this article, jump security use this event published to publish the events on the session life bike and SessionRegistry is updated appropriately.

ConcurrentSessionControlStrategy is responsible to expedition the new session and enforce the concurrent session policy. Every-time when a logged in customer try to access the secure part of application, the SessionManagementFilter will bank check the user active session in the SessionRegistry. The ConcurrentSessionFilter filter will recognize expired sessions and notify the user that their session has expired. To better understanding, You tin can also cheque the source code for these classes.Here is a loftier level workflow outlining how the spring security concurrent session control works:

Spring Security Concurrent Session Control

Let's see the concurrent sessions characteristic in action.

3.2. Restricting the Number of Concurrent Sessions per User by Spring Security

With HttpSessionEventPublisher listener configuration, nosotros can command the session multiple sessions characteristic for our awarding. Permit's take an example where we desire to permit maximum 1 session per customer. If the maximum session exceeds one, information technology will invalidate the first session by Spring security. how it can exist washed with leap security configuration:

                @EnableWebSecurity public class AppSecurityConfig extends WebSecurityConfigurerAdapter {      @Override     protected void configure(HttpSecurity http) throws Exception {         http.sessionManagement()             .maximumSessions(i);     } }

You tin download the application from our GitHub repository. Once the application started, execute the post-obit steps to examination information technology.

  1. Open the login page in Firefox and login with the valid username and password (make sure you created an account earlier this step.)
  2. Open chrome or whatever other browser (except Firefox) and login with the same username and countersign (used in step 1).
  3. Go dorsum to the chrome browser and refresh or click on whatsoever link, you will see a similar message in your application
concurrent session control

This is the default message from leap security.Spring security provides the flexibility to configure an URL which volition be called when user tried to practise an boosted login.To configure the expired session redirect, we can employ the expiredUrl method.

                @EnableWebSecurity public class AppSecurityConfig extends WebSecurityConfigurerAdapter {      @Override     protected void configure(HttpSecurity http) throws Exception {         http.sessionManagement()             .maximumSessions(1)             .expiredUrl("/login?invalid-session=true");     } }

You lot tin add some custom error bulletin in your login page control.Rerun the application and follow above steps to test your application, in this case, you will come across y'all custom error message and not the spring standard error bulletin.

spring security session management

3.3. Disable Authentication

With default configurations (as explained in section 3.ane and 3.2), the second login will  crusade the starting time login to be invalidated. This can sometime crusade confusion. Imagine you are working and suddenly to see this message equally your accidentally performed login in another browser. To handle these use cases, Bound security provides an option where we can prove error message to the second try instead of forcing the original user to be logged out. We can enable this characteristic with help of maxSessionsPreventsLogin.

                @EnableWebSecurity public class AppSecurityConfig extends WebSecurityConfigurerAdapter {      @Override     protected void configure(HttpSecurity http) throws Exception {         http.sessionManagement()             .maxSessionsPreventsLogin(true)             .maximumSessions(i)             .expiredUrl("/login?invalid-session=true");     } }

Gear up the value as true for maxSessionsPreventsLogin.Yous have to exist careful while trying to apply this approach.

  1. If user close the window without striking the logout push, they won't exist able to login again until the session time out.
  2. This happens considering it removes the JSESSIONID on endmost the browser window, however you lot are still logged in user for the underlying application.

For more than information, read the spring security documentation.

3.4. Concurrency Control – Mutual Effect

With maximumSessions method, go on in listen few important points as it can cause lots of defoliation and bug if you are not clear on few details

  1. If yous are using the customUserDetails instance, brand certain y'all override equals() and hashCode() methods.
  2. Past default Spring security SessionRegistry implementation uses an in-memory map to store the UserDetails. If you are using a custom UserDetails without equals() and hashCode() methods, it won't be able to match the user correctly. Besides, the default UserDetails object from Spring security provides implementation for both equals() and hashCode() methods.
  3. If Spring security call back me feature is used for the login, the concurrency control is not enforced.
  4. In a clustered environment, the default concurrency control will not work equally the SessionRegistry is in-retentivity implementation. The user login will exist server specific and the same user can login once again if they try to login on the other server on the cluster. You can use the Spring Session to handle this issue with the help of a custom SessionRegistry
  5. If the application server restart, the SessionRegistry will be empty (recall it'due south an in-memory map) only users who were already logged in with a valid session are logged in. This will create a disharmonize where the user is logged in simply bound security will mark user every bit not logged in. Nosotros can too resolve this with the help of custom SessionRegistry to load the data from the central location.

Summary

In this article nosotros talked about the spring security session management and how to control the session with leap security. To summarize, we talked about the post-obit important points in this article.

  1. How leap security manage the session and how to control the session creation strategy with spring security.
  2. how to the concurrency control works with bound security.
  3. How to configure number of concurrent sessions per user.
  4. Limitation with the bound security concurrency control and few options to customize information technology.

Spring Boot Login Logout Session and Roles Mysql

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Source: https://www.javadevjournal.com/spring-security/spring-security-session/

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