SpringBoot 集成 Shiro：使用Shiro的加密功能(四)

@Getter
@Setter
public class User implements Serializable {
    private String id;
    private String username;
    private String password;
    private String salt;
    public User(String username, String password) {
        this.id = UUID.randomUUID().toString().replace("-", "");
        this.username = username;
        this.salt = getId().substring(0, 6);
        this.password = new Sha512Hash(password, getSalt()).toString();
    }
}

public class UserService {
    private static final Map<String, User> userMap = new HashMap<>();
    static {
        userMap.put("admin1", new User("admin1", "123456"));
        userMap.put("admin2", new User("admin2", "123456"));
    }
    public static User getUserByName(String name) {
        return userMap.get(name);
    }
}

protected AuthenticationInfo doGetAuthenticationInfo(
        AuthenticationToken authcToken) throws AuthenticationException {
    UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
    String name = token.getUsername();
    String password = String.valueOf(token.getPassword());
    User user = UserService.getUserByName(name);
    if (null == user) {
        return null;
    } else {
        String credentials = new Sha512Hash(password, user.getSalt()).toString();
        token.setPassword(credentials.toCharArray());
        return new SimpleAuthenticationInfo(user, user.getPassword(), getName());
    }
}