xyz.iipster.security.SecurityUtilsImpl.java Source code

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Here is the source code for xyz.iipster.security.SecurityUtilsImpl.java

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/*
 * Copyright 2016 Damien Ferrand
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package xyz.iipster.security;

import com.vaadin.server.VaadinService;
import com.vaadin.ui.UI;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Component;

/**
 * Security utils implementation.
 *
 * @author df@bigbluebox.ca
 * @since 0.0.1
 */
@Component
public class SecurityUtilsImpl implements SecurityUtils {
    private final AuthenticationManager authenticationManager;

    @Autowired
    public SecurityUtilsImpl(AuthenticationManager authenticationManager) {
        this.authenticationManager = authenticationManager;
    }

    @Override
    public Authentication login(String userName, String password) {
        Authentication authentication = authenticationManager
                .authenticate(new UsernamePasswordAuthenticationToken(userName, password));

        VaadinService.reinitializeSession(VaadinService.getCurrentRequest());
        SecurityContextHolder.getContext().setAuthentication(authentication);
        return authentication;
    }

    @Override
    public Authentication getAuthentication() {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    @Override
    public boolean isLoggedIn() {
        final Authentication authentication = getAuthentication();
        return authentication != null && authentication.isAuthenticated();
    }

    @Override
    public boolean hasRole(String role) {
        final Authentication authentication = getAuthentication();
        return authentication != null && authentication.getAuthorities().contains(new SimpleGrantedAuthority(role));
    }

    @Override
    public void logout() {
        UI.getCurrent().getPage().reload();
        UI.getCurrent().getSession().close();
    }
}