rspec/rules/S5876/java/rule.adoc

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== Noncompliant Code Example

In a Spring Security's context, session fixation protection is enabled by default but can be disabled with ``++sessionFixation().none()++`` method:

----
@Override
protected void configure(HttpSecurity http) throws Exception {
   http.sessionManagement()
     .sessionFixation().none(); // Noncompliant: the existing session will continue
}
----

== Compliant Solution

In a Spring Security's context, session fixation protection can be enabled as follows:

----
@Override
protected void configure(HttpSecurity http) throws Exception {
  http.sessionManagement()
     .sessionFixation().newSession(); // Compliant: a new session is created without any of the attributes from the old session being copied over

  // or

  http.sessionManagement()
     .sessionFixation().migrateSession(); // Compliant: a new session is created, the old one is invalidated and the attributes from the old session are copied over.
}
----

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