com.github.djabry.platform.service.security.DefaultUserDetails.java Source code

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Here is the source code for com.github.djabry.platform.service.security.DefaultUserDetails.java

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/*
 * Copyright (c) 2015 Daniel Jabry
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.github.djabry.platform.service.security;

import com.github.djabry.platform.domain.api.Group;
import com.github.djabry.platform.domain.api.Permission;
import com.github.djabry.platform.domain.api.UserAccount;
import com.github.djabry.platform.service.api.PermissionMapper;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
import lombok.Data;
import lombok.RequiredArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import javax.annotation.Nullable;
import javax.validation.constraints.NotNull;
import java.util.Collection;
import java.util.Iterator;
import java.util.Set;

/**
 * Created by djabry on 05/01/15.
 */

@RequiredArgsConstructor
@Data
public class DefaultUserDetails implements UserDetails {

    static final Function<Permission, GrantedAuthority> PERMISSION_CONVERTER = new Function<Permission, GrantedAuthority>() {
        @Nullable
        @Override
        public GrantedAuthority apply(Permission permission) {
            return new SimpleGrantedAuthority(permission.permissionName);
        }
    };
    @NotNull
    private final UserAccount userAccount;
    @NotNull
    private final PermissionMapper permissionMapper;

    /**
     * Returns the authorities granted to the user. Cannot return <code>null</code>.
     *
     * @return the authorities, sorted by natural key (never <code>null</code>)
     */
    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        Set<Permission> permissions = permissionMapper.mapPermissions(userAccount.getRole());

        Set<GrantedAuthority> authorities = Sets
                .newLinkedHashSet(Iterables.transform(permissions, PERMISSION_CONVERTER));
        Iterator<Group> iterator = userAccount.getGroups().iterator();
        while (iterator.hasNext()) {
            Group next = iterator.next();
            Iterables.addAll(authorities, Iterables.transform(next.getPermissions(), PERMISSION_CONVERTER));
        }

        return authorities;
    }

    /**
     * Returns the password used to authenticate the user.
     *
     * @return the password
     */
    @Override
    public String getPassword() {
        return this.userAccount.getEncryptedPassword();
    }

    /**
     * Returns the username used to authenticate the user. Cannot return <code>null</code>.
     *
     * @return the username (never <code>null</code>)
     */
    @Override
    public String getUsername() {
        return this.userAccount.getUser().getUsername();
    }

    /**
     * Indicates whether the user's account has expired. An expired account cannot be authenticated.
     *
     * @return <code>true</code> if the user's account is valid (ie non-expired), <code>false</code> if no longer valid
     * (ie expired)
     */
    @Override
    public boolean isAccountNonExpired() {
        return userAccount.isAccountNonExpired();
    }

    /**
     * Indicates whether the user is locked or unlocked. A locked user cannot be authenticated.
     *
     * @return <code>true</code> if the user is not locked, <code>false</code> otherwise
     */
    @Override
    public boolean isAccountNonLocked() {
        return userAccount.isAccountNonLocked();
    }

    /**
     * Indicates whether the user's credentials (password) has expired. Expired credentials prevent
     * authentication.
     *
     * @return <code>true</code> if the user's credentials are valid (ie non-expired), <code>false</code> if no longer
     * valid (ie expired)
     */
    @Override
    public boolean isCredentialsNonExpired() {
        return userAccount.isCredentialsNonExpired();
    }

    /**
     * Indicates whether the user is enabled or disabled. A disabled user cannot be authenticated.
     *
     * @return <code>true</code> if the user is enabled, <code>false</code> otherwise
     */
    @Override
    public boolean isEnabled() {
        return userAccount.isEnabled();
    }
}