org.sharetask.security.UserDetailsByNameService.java Source code

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Here is the source code for org.sharetask.security.UserDetailsByNameService.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 org.sharetask.security;

import java.util.ArrayList;
import java.util.Collection;

import org.pac4j.core.profile.CommonProfile;
import org.pac4j.springframework.security.authentication.ClientAuthenticationToken;
import org.sharetask.entity.Role;
import org.sharetask.entity.UserInformation;
import org.sharetask.repository.UserInformationRepository;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.AuthenticationUserDetailsService;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;

/**
 * @author Michal Bocek
 * @since 1.0.0
 */
@Transactional(readOnly = true)
public class UserDetailsByNameService<T extends Authentication>
        implements AuthenticationUserDetailsService<T>, InitializingBean {

    private UserInformationRepository userInformationRepository;

    public void afterPropertiesSet() throws Exception {
        Assert.notNull(this.userInformationRepository, "UserInformationRepository must be set");
    }

    public UserDetails loadUserDetails(T authentication) throws UsernameNotFoundException {
        if (authentication instanceof ClientAuthenticationToken) {
            final CommonProfile profile = (CommonProfile) ((ClientAuthenticationToken) authentication)
                    .getUserProfile();
            UserInformation user = this.userInformationRepository.findByUsername(profile.getEmail());
            if (user == null) {
                return null;
            } else {
                final Collection<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
                for (final Role role : user.getRoles()) {
                    authorities.add(new SimpleGrantedAuthority(role.name()));
                }
                return buildUserDetails(profile.getEmail(), authorities);
            }
        } else {
            throw new SecurityException("Wrong authentication object");
        }
    }

    private UserDetails buildUserDetails(final String email, final Collection<GrantedAuthority> authorities) {
        return new UserDetails() {

            private static final long serialVersionUID = 4726237436112264492L;

            @Override
            public boolean isEnabled() {
                return true;
            }

            @Override
            public boolean isCredentialsNonExpired() {
                return true;
            }

            @Override
            public boolean isAccountNonLocked() {
                return true;
            }

            @Override
            public boolean isAccountNonExpired() {
                return true;
            }

            @Override
            public String getUsername() {
                return email;
            }

            @Override
            public String getPassword() {
                return null;
            }

            @Override
            public Collection<? extends GrantedAuthority> getAuthorities() {
                return authorities;
            }
        };
    }

    public void setUserInformationRepository(UserInformationRepository userInformationRepository) {
        this.userInformationRepository = userInformationRepository;
    }
}