Files
tyapi-server/internal/shared/sms/sms_service.go
2025-07-11 21:05:58 +08:00

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package sms
import (
"context"
"crypto/rand"
"fmt"
"math/big"
"github.com/aliyun/alibaba-cloud-sdk-go/services/dysmsapi"
"go.uber.org/zap"
"tyapi-server/internal/config"
)
// Service 短信服务接口
type Service interface {
SendVerificationCode(ctx context.Context, phone string, code string) error
GenerateCode(length int) string
}
// AliSMSService 阿里云短信服务实现
type AliSMSService struct {
client *dysmsapi.Client
config config.SMSConfig
logger *zap.Logger
}
// NewAliSMSService 创建阿里云短信服务
func NewAliSMSService(cfg config.SMSConfig, logger *zap.Logger) (*AliSMSService, error) {
client, err := dysmsapi.NewClientWithAccessKey("cn-hangzhou", cfg.AccessKeyID, cfg.AccessKeySecret)
if err != nil {
return nil, fmt.Errorf("创建短信客户端失败: %w", err)
}
return &AliSMSService{
client: client,
config: cfg,
logger: logger,
}, nil
}
// SendVerificationCode 发送验证码
func (s *AliSMSService) SendVerificationCode(ctx context.Context, phone string, code string) error {
request := dysmsapi.CreateSendSmsRequest()
request.Scheme = "https"
request.PhoneNumbers = phone
request.SignName = s.config.SignName
request.TemplateCode = s.config.TemplateCode
request.TemplateParam = fmt.Sprintf(`{"code":"%s"}`, code)
response, err := s.client.SendSms(request)
if err != nil {
s.logger.Error("Failed to send SMS",
zap.String("phone", phone),
zap.Error(err))
return fmt.Errorf("短信发送失败: %w", err)
}
if response.Code != "OK" {
s.logger.Error("SMS send failed",
zap.String("phone", phone),
zap.String("code", response.Code),
zap.String("message", response.Message))
return fmt.Errorf("短信发送失败: %s - %s", response.Code, response.Message)
}
s.logger.Info("SMS sent successfully",
zap.String("phone", phone),
zap.String("bizId", response.BizId))
return nil
}
// GenerateCode 生成验证码
func (s *AliSMSService) GenerateCode(length int) string {
if length <= 0 {
length = 6
}
// 生成指定长度的数字验证码
max := big.NewInt(int64(pow10(length)))
n, _ := rand.Int(rand.Reader, max)
// 格式化为指定长度不足时前面补0
format := fmt.Sprintf("%%0%dd", length)
return fmt.Sprintf(format, n.Int64())
}
// pow10 计算10的n次方
func pow10(n int) int {
result := 1
for i := 0; i < n; i++ {
result *= 10
}
return result
}
// MockSMSService 模拟短信服务(用于开发和测试)
type MockSMSService struct {
logger *zap.Logger
}
// NewMockSMSService 创建模拟短信服务
func NewMockSMSService(logger *zap.Logger) *MockSMSService {
return &MockSMSService{
logger: logger,
}
}
// SendVerificationCode 模拟发送验证码
func (s *MockSMSService) SendVerificationCode(ctx context.Context, phone string, code string) error {
s.logger.Info("Mock SMS sent",
zap.String("phone", phone),
zap.String("code", code))
return nil
}
// GenerateCode 生成验证码
func (s *MockSMSService) GenerateCode(length int) string {
if length <= 0 {
length = 6
}
// 开发环境使用固定验证码便于测试
result := ""
for i := 0; i < length; i++ {
result += "1"
}
return result
}