com.excilys.ebi.bank.web.security.SecurityUtils.java Source code

Introduction

Here is the source code for com.excilys.ebi.bank.web.security.SecurityUtils.java

Source

/**
 * Copyright 2011-2012 eBusiness Information, Groupe Excilys (www.excilys.com)
 *
 * 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 com.excilys.ebi.bank.web.security;

import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;

import com.excilys.ebi.bank.model.entity.User;
import com.excilys.ebi.bank.model.entity.ref.Role;
import com.excilys.ebi.bank.model.entity.ref.RoleRef;

public class SecurityUtils {

    private SecurityUtils() {
        throw new UnsupportedOperationException();
    }

    public static User getCurrentUser() {
        if (isAuthenticated()) {
            return CustomUserDetails.class
                    .cast(SecurityContextHolder.getContext().getAuthentication().getPrincipal()).getUser();
        }
        return null;
    }

    public static boolean isAuthenticated() {
        SecurityContext ctx = SecurityContextHolder.getContext();
        return ctx != null //
                && ctx.getAuthentication() != null //
                && ctx.getAuthentication().isAuthenticated();
    }

    public static boolean isWithRole(Role role) {

        if (isAuthenticated()) {
            for (RoleRef roleRef : getCurrentUser().getRoles()) {
                if (roleRef.getId() == role) {
                    return true;
                }
            }
        }

        return false;
    }
}