chore: move the go code into a subfolder

apps/api/internal/notification/channels/twilio/channel.go

@@ -0,0 +1,76 @@
+package twilio
+
+import (
+	"errors"
+
+	"github.com/twilio/twilio-go"
+	twilioClient "github.com/twilio/twilio-go/client"
+	openapi "github.com/twilio/twilio-go/rest/api/v2010"
+	verify "github.com/twilio/twilio-go/rest/verify/v2"
+	"github.com/zitadel/logging"
+
+	"github.com/zitadel/zitadel/internal/notification/channels"
+	"github.com/zitadel/zitadel/internal/notification/messages"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+const (
+	aggregateTypeNotification = "notification"
+)
+
+func InitChannel(config Config) channels.NotificationChannel {
+	client := twilio.NewRestClientWithParams(twilio.ClientParams{Username: config.SID, Password: config.Token})
+	logging.Debug("successfully initialized twilio sms channel")
+
+	return channels.HandleMessageFunc(func(message channels.Message) error {
+		twilioMsg, ok := message.(*messages.SMS)
+		if !ok {
+			return zerrors.ThrowInternal(nil, "TWILI-s0pLc", "message is not SMS")
+		}
+		if config.VerifyServiceSID != "" {
+			params := &verify.CreateVerificationParams{}
+			params.SetTo(twilioMsg.RecipientPhoneNumber)
+			params.SetChannel("sms")
+
+			resp, err := client.VerifyV2.CreateVerification(config.VerifyServiceSID, params)
+
+			// In case of any client error (4xx), we should not retry sending the verification code
+			// as it would be a waste of resources and could potentially result in a rate limit.
+			var twilioErr *twilioClient.TwilioRestError
+			if errors.As(err, &twilioErr) && twilioErr.Status >= 400 && twilioErr.Status < 500 {
+				logging.WithFields(
+					"error", twilioErr.Message,
+					"status", twilioErr.Status,
+					"code", twilioErr.Code,
+					"instanceID", twilioMsg.InstanceID,
+					"jobID", twilioMsg.JobID,
+					"userID", twilioMsg.UserID,
+				).Warn("twilio create verification error")
+				return channels.NewCancelError(twilioErr)
+			}
+
+			if err != nil {
+				return zerrors.ThrowInternal(err, "TWILI-0s9f2", "could not send verification")
+			}
+			logging.WithFields("sid", resp.Sid, "status", resp.Status).Debug("verification sent")
+
+			twilioMsg.VerificationID = resp.Sid
+			return nil
+		}
+
+		content, err := twilioMsg.GetContent()
+		if err != nil {
+			return err
+		}
+		params := &openapi.CreateMessageParams{}
+		params.SetTo(twilioMsg.RecipientPhoneNumber)
+		params.SetFrom(twilioMsg.SenderPhoneNumber)
+		params.SetBody(content)
+		m, err := client.Api.CreateMessage(params)
+		if err != nil {
+			return zerrors.ThrowInternal(err, "TWILI-osk3S", "could not send message")
+		}
+		logging.WithFields("message_sid", m.Sid, "status", m.Status).Debug("sms sent")
+		return nil
+	})
+}

apps/api/internal/notification/channels/twilio/config.go

@@ -0,0 +1,40 @@
+package twilio
+
+import (
+	newTwilio "github.com/twilio/twilio-go"
+	verify "github.com/twilio/twilio-go/rest/verify/v2"
+
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+type Config struct {
+	SID              string
+	Token            string
+	SenderNumber     string
+	VerifyServiceSID string
+}
+
+func (t *Config) IsValid() bool {
+	return t.SID != "" && t.Token != "" && t.SenderNumber != ""
+}
+
+func (t *Config) VerifyCode(verificationID, code string) error {
+	client := newTwilio.NewRestClientWithParams(newTwilio.ClientParams{Username: t.SID, Password: t.Token})
+	checkParams := &verify.CreateVerificationCheckParams{}
+	checkParams.SetVerificationSid(verificationID)
+	checkParams.SetCode(code)
+	resp, err := client.VerifyV2.CreateVerificationCheck(t.VerifyServiceSID, checkParams)
+	if err != nil || resp.Status == nil {
+		return zerrors.ThrowInvalidArgument(err, "TWILI-JK3ta", "Errors.User.Code.NotFound")
+	}
+	switch *resp.Status {
+	case "approved":
+		return nil
+	case "expired":
+		return zerrors.ThrowInvalidArgument(nil, "TWILI-SF3ba", "Errors.User.Code.Expired")
+	case "max_attempts_reached":
+		return zerrors.ThrowInvalidArgument(nil, "TWILI-Ok39a", "Errors.User.Code.NotFound")
+	default:
+		return zerrors.ThrowInvalidArgument(nil, "TWILI-Skwe4", "Errors.User.Code.Invalid")
+	}
+}