package cn.lihu.jh.module.system.framework.sms.core.client.impl;
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import cn.hutool.core.lang.Assert;
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import cn.hutool.core.util.HexUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.crypto.SecureUtil;
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import cn.hutool.crypto.digest.DigestUtil;
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import cn.hutool.json.JSONArray;
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import cn.lihu.jh.framework.common.core.KeyValue;
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import cn.lihu.jh.framework.common.util.json.JsonUtils;
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import cn.lihu.jh.module.system.framework.sms.core.client.dto.SmsReceiveRespDTO;
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import cn.lihu.jh.module.system.framework.sms.core.client.dto.SmsSendRespDTO;
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import cn.lihu.jh.module.system.framework.sms.core.client.dto.SmsTemplateRespDTO;
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import cn.lihu.jh.module.system.framework.sms.core.enums.SmsTemplateAuditStatusEnum;
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import cn.lihu.jh.module.system.framework.sms.core.property.SmsChannelProperties;
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import com.fasterxml.jackson.annotation.JsonFormat;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import lombok.Data;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.http.HttpResponse;
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import org.apache.http.client.methods.HttpUriRequest;
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import org.apache.http.client.methods.RequestBuilder;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClientBuilder;
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import java.io.UnsupportedEncodingException;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.text.SimpleDateFormat;
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import java.time.LocalDateTime;
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import java.util.*;
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import static cn.lihu.jh.framework.common.util.collection.CollectionUtils.convertList;
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import static cn.lihu.jh.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
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import static cn.lihu.jh.framework.common.util.date.DateUtils.TIME_ZONE_DEFAULT;
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/**
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* 华为短信客户端的实现类
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*
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* @author scholar
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* @since 2024/6/02 11:55
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*/
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@Slf4j
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public class HuaweiSmsClient extends AbstractSmsClient {
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/**
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* 调用成功 code
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*/
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public static final String API_CODE_SUCCESS = "OK";
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public HuaweiSmsClient(SmsChannelProperties properties) {
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super(properties);
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Assert.notEmpty(properties.getApiKey(), "apiKey 不能为空");
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Assert.notEmpty(properties.getApiSecret(), "apiSecret 不能为空");
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}
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@Override
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protected void doInit() {
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}
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@Override
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public SmsSendRespDTO sendSms(Long sendLogId, String mobile, String apiTemplateId,
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List<KeyValue<String, Object>> templateParams) throws Throwable {
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// TODO @scholar:https://smsapi.cn-north-4.myhuaweicloud.com:443 是不是枚举成静态变量
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String url = "https://smsapi.cn-north-4.myhuaweicloud.com:443/sms/batchSendSms/v1"; //APP接入地址+接口访问URI
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// 相比较阿里短信,华为短信发送的时候需要额外的参数“通道号”,考虑到不破坏原有的的结构
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// 所以将 通道号 拼接到 apiTemplateId 字段中,格式为 "apiTemplateId 通道号"。空格为分隔符。
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// TODO @scholar:暂时只考虑中国大陆,所以不需要 sender 哈
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String sender = StrUtil.subAfter(apiTemplateId, " ", true); //中国大陆短信签名通道号或全球短信通道号
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String templateId = StrUtil.subBefore(apiTemplateId, " ", true); //模板ID
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// 选填,短信状态报告接收地址,推荐使用域名,为空或者不填表示不接收状态报告
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String statusCallBack = properties.getCallbackUrl();
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// TODO @scholar:1)是不是用 LocalDateTimeUtil.format();这样 3 行变成一行
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// TODO @scholar:singerDate 叫 sdkDate 会更合适哈,这样理解起来简单。另外,singer 应该是 signed 么?
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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd'T'HHmmss'Z'", Locale.ENGLISH);
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sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
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String singerDate = sdf.format(new Date());
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// TODO @scholar:整个处理加密的过程,是不是应该抽成一个 private 方法哈。这样整个调用的主干更清晰。
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// ************* 步骤 1:拼接规范请求串 *************
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String httpRequestMethod = "POST";
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String canonicalUri = "/sms/batchSendSms/v1/";
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String canonicalQueryString = ""; // 查询参数为空
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String canonicalHeaders = "content-type:application/x-www-form-urlencoded\n"
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+ "host:smsapi.cn-north-4.myhuaweicloud.com:443\n"
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+ "x-sdk-date:" + singerDate + "\n";
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// TODO @scholar:静态枚举了
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String signedHeaders = "content-type;host;x-sdk-date";
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// TODO @scholar:下面的注释,可以考虑去掉
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/*
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* 选填,使用无变量模板时请赋空值 String templateParas = "";
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* 单变量模板示例:模板内容为"您的验证码是${NUM_6}"时,templateParas可填写为"[\"111111\"]"
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* 双变量模板示例:模板内容为"您有${NUM_2}件快递请到${TXT_20}领取"时,templateParas可填写为"[\"3\",\"人民公园正门\"]"
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*/
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// TODO @scholar:CollectionUtils.convertList 可以把 4 行变成 1 行。
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// TODO @scholar:templateParams 拼写错误哈
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List<String> templateParas = new ArrayList<>();
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for (KeyValue<String, Object> kv : templateParams) {
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templateParas.add(String.valueOf(kv.getValue()));
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}
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// 请求Body,不携带签名名称时,signature请填null
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String body = buildRequestBody(sender, mobile, templateId, templateParas, statusCallBack, null);
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// TODO @scholar:Assert 断言,抛出异常
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if (null == body || body.isEmpty()) {
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return null;
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}
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String hashedRequestBody = HexUtil.encodeHexStr(DigestUtil.sha256(body));
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String canonicalRequest = httpRequestMethod + "\n" + canonicalUri + "\n" + canonicalQueryString + "\n"
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+ canonicalHeaders + "\n" + signedHeaders + "\n" + hashedRequestBody;
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// ************* 步骤 2:拼接待签名字符串 *************
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// TODO @scholar:sha256Hex 是不是更简洁哈
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String hashedCanonicalRequest = HexUtil.encodeHexStr(DigestUtil.sha256(canonicalRequest));
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String stringToSign = "SDK-HMAC-SHA256" + "\n" + singerDate + "\n" + hashedCanonicalRequest;
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// ************* 步骤 3:计算签名 *************
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String signature = SecureUtil.hmacSha256(properties.getApiSecret()).digestHex(stringToSign);
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// ************* 步骤 4:拼接 Authorization *************
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String authorization = "SDK-HMAC-SHA256" + " " + "Access=" + properties.getApiKey() + ", "
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+ "SignedHeaders=" + signedHeaders + ", " + "Signature=" + signature;
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// ************* 步骤 5:构造HttpRequest 并执行request请求,获得response *************
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// TODO @scholar:考虑了下,还是换 hutool 的 httpUtils。因为未来 httpclient 我们可能会移除掉
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HttpUriRequest postMethod = RequestBuilder.post()
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.setUri(url)
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.setEntity(new StringEntity(body, StandardCharsets.UTF_8))
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.setHeader("Content-Type","application/x-www-form-urlencoded")
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.setHeader("X-Sdk-Date", singerDate)
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.setHeader("Authorization", authorization)
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.build();
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// TODO @scholar:这种不太适合一直 new 的哈
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CloseableHttpClient client = HttpClientBuilder.create().build();
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HttpResponse response = client.execute(postMethod);
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// TODO @scholar:失败的情况下的处理
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// TODO @scholar:setSerialNo(Integer.toString(response.getStatusLine().getStatusCode())) 这部分,空一行。一行代码太多了,阅读性不太好哈
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return new SmsSendRespDTO().setSuccess(Objects.equals(response.getStatusLine().getReasonPhrase(), API_CODE_SUCCESS)).setSerialNo(Integer.toString(response.getStatusLine().getStatusCode()))
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.setApiRequestId(null).setApiCode(null).setApiMsg(null);
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}
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static String buildRequestBody(String sender, String receiver, String templateId, List<String> templateParas,
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String statusCallBack, @SuppressWarnings("SameParameterValue") String signature) throws UnsupportedEncodingException {
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// TODO @scholar:参数不满足,是不是抛出异常更好哈;通过 hutool 的 Assert 去断言
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if (null == sender || null == receiver || null == templateId || sender.isEmpty() || receiver.isEmpty()
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|| templateId.isEmpty()) {
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System.out.println("buildRequestBody(): sender, receiver or templateId is null.");
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return null;
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}
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StringBuilder body = new StringBuilder();
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appendToBody(body, "from=", sender);
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appendToBody(body, "&to=", receiver);
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appendToBody(body, "&templateId=", templateId);
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// TODO @scholar:new JSONArray(templateParas).toString(),是不是 JsonUtils.toString 呀?
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appendToBody(body, "&templateParas=", new JSONArray(templateParas).toString());
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appendToBody(body, "&statusCallback=", statusCallBack);
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appendToBody(body, "&signature=", signature);
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return body.toString();
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}
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private static void appendToBody(StringBuilder body, String key, String val) throws UnsupportedEncodingException {
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// TODO @scholar:StrUtils.isNotEmpty(val),是不是更简洁哈
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if (null != val && !val.isEmpty()) {
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body.append(key).append(URLEncoder.encode(val, StandardCharsets.UTF_8.name()));
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}
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}
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@Override
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public List<SmsReceiveRespDTO> parseSmsReceiveStatus(String text) {
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List<SmsReceiveStatus> statuses = JsonUtils.parseArray(text, SmsReceiveStatus.class);
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return convertList(statuses, status -> new SmsReceiveRespDTO().setSuccess(Objects.equals(status.getStatus(),"DELIVRD"))
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.setErrorCode(status.getStatus()).setErrorMsg(status.getStatus())
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.setMobile(status.getPhoneNumber()).setReceiveTime(status.getUpdateTime())
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.setSerialNo(status.getSmsMsgId()));
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}
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@Override
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public SmsTemplateRespDTO getSmsTemplate(String apiTemplateId) throws Throwable {
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// 华为短信模板查询和发送短信,是不同的两套 key 和 secret,与阿里、腾讯的区别较大,这里模板查询校验暂不实现
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// 对应文档 https://support.huaweicloud.com/api-msgsms/sms_05_0040.html
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return new SmsTemplateRespDTO().setId(apiTemplateId).setContent(null)
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.setAuditStatus(SmsTemplateAuditStatusEnum.SUCCESS.getStatus()).setAuditReason(null);
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}
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/**
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* 短信接收状态
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*
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* 参见 <a href="https://support.huaweicloud.com/api-msgsms/sms_05_0003.html">文档</a>
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*
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* @author scholar
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*/
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@Data
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public static class SmsReceiveStatus {
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/**
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* 本条状态报告对应的短信的接收方号码,仅当状态报告中携带了extend参数时才会同时携带该参数
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*/
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@JsonProperty("to")
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private String phoneNumber;
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/**
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* 短信资源的更新时间,通常为短信平台接收短信状态报告的时间
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*/
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@JsonFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND, timezone = TIME_ZONE_DEFAULT)
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private LocalDateTime updateTime;
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/**
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* 短信状态报告枚举值
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*/
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private String status;
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/**
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* 发送短信成功时返回的短信唯一标识。
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*/
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private String smsMsgId;
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}
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}
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