package com.zbkj.admin.service.impl;
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import cn.hutool.core.util.ObjectUtil;
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import com.zbkj.common.constants.Constants;
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import com.zbkj.common.exception.CarException;
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import com.zbkj.common.utils.CarUtil;
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import com.zbkj.common.utils.RedisUtil;
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import com.zbkj.common.utils.ValidateCodeUtil;
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import com.zbkj.admin.service.ValidateCodeService;
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import com.zbkj.admin.vo.ValidateCode;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.concurrent.TimeUnit;
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/**
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* ValidateCodeService 实现类
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*/
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@Service
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public class ValidateCodeServiceImpl implements ValidateCodeService {
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@Resource
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private RedisUtil redisAdminUtil;
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/**
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* 获取验证码信息
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*/
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@Override
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public ValidateCode get() {
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ValidateCodeUtil.Validate randomCode = ValidateCodeUtil.getRandomCode();//直接调用静态方法，返回验证码对象
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if (ObjectUtil.isNull(randomCode)) {
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return null;
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}
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String value = randomCode.getValue().toLowerCase();
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String md5Key = DigestUtils.md5Hex(value);
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String redisKey = getRedisKey(md5Key);
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redisAdminUtil.set(redisKey, value, 5L, TimeUnit.MINUTES); //5分钟过期
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String base64Str = randomCode.getBase64Str();
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return new ValidateCode(md5Key, CarUtil.getBase64Image(base64Str));
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}
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/**
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* 获取redis key
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* @param md5Key value的md5加密值
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*/
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public String getRedisKey(String md5Key) {
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return Constants.VALIDATE_REDIS_KEY_PREFIX + md5Key;
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}
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/**
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* 验证
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*/
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public Boolean check(String key, String code) {
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if (!redisAdminUtil.exists(getRedisKey(key))) {
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throw new CarException("验证码错误");
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}
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Object redisValue = redisAdminUtil.get(getRedisKey(key));
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if (ObjectUtil.isNull(redisValue)) {
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return false;
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}
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return redisValue.equals(code.toLowerCase());
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}
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}
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