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/*
 * Copyright (c) 2020-2030, Shuigedeng ([email protected] & https://blog.taotaocloud.top/).
 *
 * 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
 *
 *      https://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 com.taotao.boot.sensitive.other;

import org.apache.commons.lang3.StringUtils;

/**
 * SensitiveInfoUtils
 *
 * @author shuigedeng
 * @version 2021.10
 * @since 2022-02-16 14:01:13
 */
public class SensitiveInfoUtils {

    /** [中文姓名] 只显示第一个汉字，其他隐藏为2个星号<例子：李**> */
    public static String chineseName(final String fullName) {
        if (StringUtils.isBlank(fullName)) {
            return "";
        }
        final String name = StringUtils.left(fullName, 1);
        return StringUtils.rightPad(name, StringUtils.length(fullName), "*");
    }

    /** [中文姓名] 只显示第一个汉字，其他隐藏为2个星号<例子：李**> */
    public static String chineseName(final String familyName, final String givenName) {
        if (StringUtils.isBlank(familyName) || StringUtils.isBlank(givenName)) {
            return "";
        }
        return chineseName(familyName + givenName);
    }

    /** [身份证号] 显示最后四位，其他隐藏。共计18位或者15位。<例子：*************5762> */
    public static String idCardNum(final String id) {
        if (StringUtils.isBlank(id)) {
            return "";
        }

        return StringUtils.left(id, 3)
                .concat(StringUtils.removeStart(
                        StringUtils.leftPad(StringUtils.right(id, 3), StringUtils.length(id), "*"), "***"));
    }

    /** [固定电话] 后四位，其他隐藏<例子：****1234> */
    public static String fixedPhone(final String num) {
        if (StringUtils.isBlank(num)) {
            return "";
        }
        return StringUtils.leftPad(StringUtils.right(num, 4), StringUtils.length(num), "*");
    }

    /** [手机号码] 前三位，后四位，其他隐藏<例子:138******1234> */
    public static String mobilePhone(final String num) {
        if (StringUtils.isBlank(num)) {
            return "";
        }
        return StringUtils.left(num, 2)
                .concat(StringUtils.removeStart(
                        StringUtils.leftPad(StringUtils.right(num, 2), StringUtils.length(num), "*"), "***"));
    }

    /**
     * [地址] 只显示到地区，不显示详细地址；我们要对个人信息增强保护<例子：北京市海淀区****>
     *
     * @param sensitiveSize 敏感信息长度
     */
    public static String address(final String address, final int sensitiveSize) {
        if (StringUtils.isBlank(address)) {
            return "";
        }
        final int length = StringUtils.length(address);
        return StringUtils.rightPad(StringUtils.left(address, length - sensitiveSize), length, "*");
    }

    /** [电子邮箱] 邮箱前缀仅显示第一个字母，前缀其他隐藏，用星号代替，@及后面的地址显示<例子:g**@163.com> */
    public static String email(final String email) {
        if (StringUtils.isBlank(email)) {
            return "";
        }
        final int index = StringUtils.indexOf(email, "@");
        if (index <= 1) {
            return email;
        } else {
            return StringUtils.rightPad(StringUtils.left(email, 1), index, "*")
                    .concat(StringUtils.mid(email, index, StringUtils.length(email)));
        }
    }

    /** [银行卡号] 前六位，后四位，其他用星号隐藏每位1个星号<例子:6222600**********1234> */
    public static String bankCard(final String cardNum) {
        if (StringUtils.isBlank(cardNum)) {
            return "";
        }
        return StringUtils.left(cardNum, 6)
                .concat(StringUtils.removeStart(
                        StringUtils.leftPad(StringUtils.right(cardNum, 4), StringUtils.length(cardNum), "*"),
                        "******"));
    }

    /** [公司开户银行联号] 公司开户银行联行号,显示前两位，其他用星号隐藏，每位1个星号<例子:12********> */
    public static String cnapsCode(final String code) {
        if (StringUtils.isBlank(code)) {
            return "";
        }
        return StringUtils.rightPad(StringUtils.left(code, 2), StringUtils.length(code), "*");
    }
}