package <%=packageName%>.security;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import java.util.Collection;
/**
* Utility class for Spring Security.
*/
public final class SecurityUtils {
private SecurityUtils() {
}
/**
* Get the login of the current user.
*/
public static String getCurrentLogin() {
SecurityContext securityContext = SecurityContextHolder.getContext();
Authentication authentication = securityContext.getAuthentication();
UserDetails springSecurityUser = null;
String userName = null;
if(authentication != null) {
if (authentication.getPrincipal() instanceof UserDetails) {
springSecurityUser = (UserDetails) authentication.getPrincipal();
userName = springSecurityUser.getUsername();
} else if (authentication.getPrincipal() instanceof String) {
userName = (String) authentication.getPrincipal();
}
}
return userName;
}
/**
* Check if a user is authenticated.
*
* @return true if the user is authenticated, false otherwise
*/
public static boolean isAuthenticated() {
SecurityContext securityContext = SecurityContextHolder.getContext();
final Collection<? extends GrantedAuthority> authorities = securityContext.getAuthentication().getAuthorities();
if (authorities != null) {
for (GrantedAuthority authority : authorities) {
if (authority.getAuthority().equals(AuthoritiesConstants.ANONYMOUS)) {
return false;
}
}
}
return true;
}
}