ISE-ComProg-After-Midterm/screwdriver-3.5.6/box/snippets/java/SimpleSpringSecurityUserCon...

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2020-10-29 09:38:56 +00:00
package +zoccolo+.web.authentication;
import java.util.Collection;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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.stereotype.Component;
import +zoccolo+.web.authentication.authority.UserAuthorityUtils;
import +tabposition+.+tabella+;
/**
* An implementation of {@link UserContext} that looks up the {@link CalendarUser} using the Spring Security's
* {@link Authentication} by principal name.
*
* @author Rob Winch
*
*/
@Component
public class SpringSecurityUserContext implements UserContext {
/**
* Get the {@link CalendarUser} by casting the {@link Authentication}'s principal to a {@link CalendarUser}.
*/
@Override
public +tabella+ getCurrentUser() {
SecurityContext context = SecurityContextHolder.getContext();
Authentication authentication = context.getAuthentication();
if (authentication == null) {
return null;
}
return (+tabella+) authentication.getPrincipal();
}
/**
* Sets the {@link CalendarUser} as the current {@link Authentication}'s principal. It uses
*/
@Override
public void setCurrentUser(+tabella+ user) {
if (user == null) {
throw new IllegalArgumentException("user cannot be null");
}
Collection<? extends GrantedAuthority> authorities = UserAuthorityUtils.createAuthorities(user);
UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(user,
user.get+password+(),authorities);
SecurityContextHolder.getContext().setAuthentication(authentication);
}
}