Add internal/sms/aliyun.go

internal/sms/aliyun.go

@@ -0,0 +1,77 @@
+package sms
+
+import (
+	"fmt"
+
+	openapi "github.com/alibabacloud-go/darabonba-openapi/v2/client"
+	dysmsapi "github.com/alibabacloud-go/dysmsapi-20170525/v4/client"
+	"github.com/alibabacloud-go/tea/tea"
+
+	"gotest/internal/config"
+)
+
+// AliyunSender 阿里云短信发送器
+type AliyunSender struct {
+	accessKeyID     string
+	accessKeySecret string
+	signName        string
+	templateCode    string
+	client          *dysmsapi.Client
+}
+
+// NewAliyunSender 根据阿里云短信配置创建发送器实例
+func NewAliyunSender(cfg *config.AliyunSMS) *AliyunSender {
+	return &AliyunSender{
+		accessKeyID:     cfg.AccessKeyID,
+		accessKeySecret: cfg.AccessKeySecret,
+		signName:        cfg.SignName,
+		templateCode:    cfg.TemplateCode,
+	}
+}
+
+// Send 通过阿里云短信服务发送验证码
+func (s *AliyunSender) Send(phone string, code string) error {
+	// 关键配置校验，AccessKeyID/AccessKeySecret 为空时直接返回错误
+	if s.accessKeyID == "" || s.accessKeySecret == "" {
+		return fmt.Errorf("阿里云短信未配置: AccessKeyID/AccessKeySecret 不能为空")
+	}
+
+	// 懒加载客户端，避免构造时因配置缺失直接 panic
+	if s.client == nil {
+		openapiCfg := &openapi.Config{
+			AccessKeyId:     tea.String(s.accessKeyID),
+			AccessKeySecret: tea.String(s.accessKeySecret),
+			Endpoint:        tea.String("dysmsapi.aliyuncs.com"),
+		}
+		client, err := dysmsapi.NewClient(openapiCfg)
+		if err != nil {
+			return fmt.Errorf("创建阿里云短信客户端失败: %w", err)
+		}
+		s.client = client
+	}
+
+	// 构造发送请求，TemplateParam 为 JSON 格式的模板参数
+	req := &dysmsapi.SendSmsRequest{
+		PhoneNumbers:  tea.String(phone),
+		SignName:      tea.String(s.signName),
+		TemplateCode:  tea.String(s.templateCode),
+		TemplateParam: tea.String(fmt.Sprintf(`{"code":"%s"}`, code)),
+	}
+
+	// 调用阿里云短信接口发送
+	resp, err := s.client.SendSms(req)
+	if err != nil {
+		return fmt.Errorf("阿里云短信发送失败: %w", err)
+	}
+
+	// 校验业务返回码，Code 为 "OK" 表示发送成功
+	if resp.Body == nil || resp.Body.Code == nil || *resp.Body.Code != "OK" {
+		errMsg := "未知错误"
+		if resp.Body != nil && resp.Body.Message != nil {
+			errMsg = *resp.Body.Message
+		}
+		return fmt.Errorf("阿里云短信发送失败: %s", errMsg)
+	}
+
+	return nil
+}