account data only; integrate smtp server; logging

smtp/session.go

@@ -1,43 +1,61 @@
 package smtp
 
 import (
+	"context"
 	"io"
-	"log"
 
 	"github.com/emersion/go-smtp"
-	"maunium.net/go/mautrix/id"
+	"github.com/getsentry/sentry-go"
+	"gitlab.com/etke.cc/go/logger"
 )
 
 type session struct {
+	log    *logger.Logger
 	domain string
-	rooms  map[string]id.RoomID
+	client Client
+
+	ctx  context.Context
+	to   string
+	from string
 }
 
 func (s *session) Mail(from string, opts smtp.MailOptions) error {
-	log.Println("mail from", from)
+	sentry.GetHubFromContext(s.ctx).Scope().SetTag("from", from)
+	s.from = from
+	s.log.Debug("mail from %s, options: %+v", from, opts)
 	return nil
 }
 
 func (s *session) Rcpt(to string) error {
-	_, ok := s.rooms[to]
+	sentry.GetHubFromContext(s.ctx).Scope().SetTag("to", to)
+	mappings, err := s.client.GetMappings(s.ctx)
+	if err != nil {
+		s.log.Error("cannot get mappings: %v", err)
+		return err
+	}
+	_, ok := mappings[to]
 	if !ok {
+		s.log.Debug("mapping for %s not found", to)
 		return smtp.ErrAuthRequired
 	}
 
 	if Domain(to) != s.domain {
+		s.log.Debug("wrong domain of %s", to)
 		return smtp.ErrAuthRequired
 	}
-	log.Println("rcpt to", to)
+
+	s.to = to
+	s.log.Debug("mail to %s", to)
 	return nil
 }
 
 func (s *session) Data(r io.Reader) error {
 	b, err := io.ReadAll(r)
 	if err != nil {
+		s.log.Error("cannot read data: %v", err)
 		return err
 	}
-	log.Println("Data", string(b))
-	return nil
+	return s.client.Send(s.from, s.to, "", string(b))
 }
 
 func (s *session) Reset() {}