Example usage for org.springframework.security.web.authentication.switchuser SwitchUserFilter setTargetUrl

Introduction

In this page you can find the example usage for org.springframework.security.web.authentication.switchuser SwitchUserFilter setTargetUrl.

Prototype

public void setTargetUrl(String targetUrl) 

Source Link

Document

Sets the URL to go to after a successful switch / exit user request.

Usage

From source file:de.whs.poodle.security.SpringSecurityConfig.java

@Bean
public SwitchUserFilter switchUserFilter() {
    SwitchUserFilter filter = new SwitchUserFilter();
    filter.setTargetUrl("/");
    filter.setSwitchUserUrl("/switchUser");
    filter.setExitUserUrl("/exitUser");
    filter.setSwitchFailureUrl("/?switchUserFailed=1");

    /*/*from   w ww  .  j a v a2  s  .  co  m*/
     * Called when a user is switched and returns the UserDetails.
     */
    filter.setUserDetailsService(username -> {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();

        /* If no username is specified, we interpret this as "student mode"
        * (see <form> in instructor/navItems.html). */
        if (username.isEmpty()) {
            // get the logged in student
            Instructor instructor = instructorRepo.getByUsername(auth.getName());

            log.debug("{} switched to student mode", instructor.getUsername());

            // create the fake student and switch
            Student fakeStudent = studentRepo.createFakeStudent(instructor.getId());

            ArrayList<GrantedAuthority> authorities = new ArrayList<>();
            authorities.add(new SimpleGrantedAuthority("ROLE_STUDENT"));
            authorities.add(new SimpleGrantedAuthority("ROLE_FAKE_STUDENT"));
            return new User(fakeStudent.getUsername(), "password", authorities);
        } else { // switch to specified user (admins only)
            boolean isAdmin = auth.getAuthorities().contains(new SimpleGrantedAuthority("ROLE_ADMIN"));
            if (!isAdmin)
                throw new ForbiddenException();

            log.debug("User {} switching to {}", auth.getName(), username);
            ArrayList<GrantedAuthority> authorities = new ArrayList<>();

            /*
             *   username is the user that we switched to. We have no information
             *   on whether he is a student or an instructor. Since he must be
             *   in the database, let's just check there.
             */
            if (studentRepo.studentExists(username))
                authorities.add(new SimpleGrantedAuthority("ROLE_STUDENT"));
            else if (instructorRepo.exists(username))
                authorities.add(new SimpleGrantedAuthority("ROLE_INSTRUCTOR"));
            else
                throw new UsernameNotFoundException("user doesn't exist.");

            return new User(username, "password", authorities);
        }
    });

    return filter;
}

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