ru.org.linux.auth.AuthUtil.java Source code

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Here is the source code for ru.org.linux.auth.AuthUtil.java

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/*
 * Copyright 1998-2012 Linux.org.ru
 *    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 ru.org.linux.auth;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import ru.org.linux.user.Profile;
import ru.org.linux.user.ProfileProperties;
import ru.org.linux.user.User;
import ru.org.linux.user.UserDao;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

/**
 */
public class AuthUtil {

    public static void updateLastLogin(Authentication authentication, UserDao userDao) {
        if (authentication != null && (authentication.isAuthenticated())) {
            Object principal = authentication.getPrincipal();
            if (principal instanceof UserDetailsImpl) {
                UserDetailsImpl userDetails = (UserDetailsImpl) principal;
                User user = userDetails.getUser();
                userDao.updateLastlogin(user, true);
            }
        }
    }

    public static boolean isSessionAuthorized() {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        return authentication != null && (authentication.isAuthenticated() && !hasAuthority("ROLE_SYSTEM_ANONYMOUS")
                && hasAuthority("ROLE_ANONYMOUS"));
    }

    public static Authentication getAuthentication() {
        if (isSessionAuthorized()) {
            return SecurityContextHolder.getContext().getAuthentication();
        } else {
            return null;
        }
    }

    public static boolean isModeratorSession() {
        return isSessionAuthorized() && hasAuthority("ROLE_MODERATOR");
    }

    public static boolean isCorrectorSession() {
        return isSessionAuthorized() && hasAuthority("ROLE_CORRECTOR");
    }

    public static boolean hasAuthority(String authName) {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication == null) {
            return false;
        }

        for (GrantedAuthority auth : authentication.getAuthorities()) {

            if (auth.getAuthority().equals(authName)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Get current authorized users nick
     *
     * @return nick or null if not authorized
     */
    public static String getNick() {
        if (!isSessionAuthorized()) {
            return null;
        }
        return getCurrentUser().getNick();
    }

    @Nullable
    public static User getCurrentUser() {
        if (!isSessionAuthorized()) {
            return null;
        }

        Object principal = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
        if (principal instanceof UserDetailsImpl) {
            return ((UserDetailsImpl) principal).getUser();
        } else {
            return null;
        }
    }

    @Nonnull
    public static Profile getCurrentProfile() {
        if (!isSessionAuthorized()) {
            return Profile.getDefaultProfile();
        }
        Object principal = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
        if (principal instanceof UserDetailsImpl) {
            return ((UserDetailsImpl) principal).getProfile();
        } else {
            return Profile.getDefaultProfile();
        }
    }

    public static boolean isUsingDefaultProfile() {
        return getCurrentProfile().isDefault();
    }

    public static ProfileProperties getProf() {
        return getCurrentProfile().getProperties();
    }

    public static String getFormatMode() {
        return getProf().getFormatMode();
    }

    public static String getStyle() {
        if (isSessionAuthorized()) {
            return getCurrentUser().getStyle();
        } else {
            return "tango";
        }
    }
}