첫 커밋: 로컬 프로젝트 업로드

baron-sso/backend/internal/service/ses_service.go

@@ -0,0 +1,78 @@
+package service
+
+import (
+	"baron-sso-backend/internal/domain"
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/config"
+	"github.com/aws/aws-sdk-go-v2/credentials"
+	"github.com/aws/aws-sdk-go-v2/service/ses"
+	"github.com/aws/aws-sdk-go-v2/service/ses/types"
+)
+
+type SesServiceImpl struct {
+	client *ses.Client
+	sender string
+}
+
+func NewEmailService() domain.EmailService {
+	region := os.Getenv("AWS_REGION")
+	accessKey := os.Getenv("AWS_ACCESS_KEY_ID")
+	secretKey := os.Getenv("AWS_SECRET_ACCESS_KEY")
+	sender := os.Getenv("AWS_SES_SENDER")
+
+	if region == "" || accessKey == "" || secretKey == "" {
+		slog.Warn("[EmailService] AWS configuration missing, email service will not work")
+		return nil
+	}
+	cfg, err := config.LoadDefaultConfig(context.TODO(),
+		config.WithRegion(region),
+		config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(accessKey, secretKey, "")),
+	)
+	if err != nil {
+		slog.Error("Failed to load AWS config", "error", err)
+		return nil
+	}
+
+	return &SesServiceImpl{
+		client: ses.NewFromConfig(cfg),
+		sender: sender,
+	}
+}
+
+func (s *SesServiceImpl) SendEmail(to, subject, body string) error {
+	if s == nil || s.client == nil {
+		return fmt.Errorf("email service not initialized")
+	}
+
+	input := &ses.SendEmailInput{
+		Destination: &types.Destination{
+			ToAddresses: []string{to},
+		},
+		Message: &types.Message{
+			Body: &types.Body{
+				Html: &types.Content{
+					Charset: aws.String("UTF-8"),
+					Data:    aws.String(body),
+				},
+			},
+			Subject: &types.Content{
+				Charset: aws.String("UTF-8"),
+				Data:    aws.String(subject),
+			},
+		},
+		Source: aws.String(s.sender),
+	}
+
+	_, err := s.client.SendEmail(context.TODO(), input)
+	if err != nil {
+		slog.Error("[EmailService] Failed to send email", "to", to, "error", err)
+	} else {
+		slog.Info("[EmailService] Email sent successfully", "to", to)
+	}
+	return err
+}