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/*
 * Copyright (C) 2008-2017, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.service.security;

import com.juick.service.UserService;
import com.juick.service.security.entities.JuickUser;
import org.apache.commons.lang3.StringUtils;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.util.Assert;

/**
 * Created by aalexeev on 11/28/16.
 */
public class JuickUserDetailsService implements UserDetailsService {
    private final UserService userService;

    public JuickUserDetailsService(final UserService userService) {
        Assert.notNull(userService, "UserService must be initialized");
        this.userService = userService;
    }

    @Override
    public UserDetails loadUserByUsername(final String username) throws UsernameNotFoundException {
        if (StringUtils.isBlank(username))
            throw new UsernameNotFoundException("Invalid user name " + username);

        com.juick.User user = userService.getUserByName(username);

        if (!user.isAnonymous()) {
            user.setAuthHash(userService.getHashByUID(user.getUid()));
            return new JuickUser(user);
        }

        throw new UsernameNotFoundException("The username " + username + " is not found");
    }
}