feat: add size to config

README.md

@@ -6,6 +6,7 @@ Configuration file at `~/.smtpbridge.yml`.
 
 ```yaml
 port: 1025
+size: 26214400 # 25 MB
 
 bridges:
   - name: test bridge

app/config.go

@@ -8,6 +8,7 @@ import (
 
 type Config struct {
 	Port            string           `json:"port" mapstructure:"port"`
+	Size            int              `json:"size" mapstructure:"size"`
 	Bridges         []Bridge         `json:"bridges" mapstructure:"bridges"`
 	ConfigEndpoints []ConfigEndpoint `json:"endpoints" mapstructure:"endpoints"`
 }

cmd/server.go

@@ -57,7 +57,7 @@ to quickly create a Cobra application.`,
 		messageSVC := service.NewMessage(bridgeSVC, messageREPO)
 
 		// Init smtp server
-		server := smtp.New(authSVC, messageSVC)
+		server := smtp.New(authSVC, messageSVC, config.Size)
 
 		// Start smtp server
 		server.Start(":" + config.Port)
@@ -70,6 +70,9 @@ func init() {
 	serverCmd.Flags().String("port", "1025", "port for smtp server")
 	viper.BindPFlag("port", serverCmd.Flags().Lookup("port"))
 
+	serverCmd.Flags().Int("size", 1024*1024*25, "max message size in bytes")
+	viper.BindPFlag("size", serverCmd.Flags().Lookup("size"))
+
 	// Here you will define your flags and configuration settings.
 
 	// Cobra supports Persistent Flags which will work for this command

left/smtp/server.go

@@ -29,7 +29,7 @@ type SMTP struct {
 	s *smtp.Server
 }
 
-func New(authSVC app.AuthServicePort, messageSVC app.MessageServicePort) SMTP {
+func New(authSVC app.AuthServicePort, messageSVC app.MessageServicePort, size int) SMTP {
 	b := newBackend(authSVC, messageSVC)
 	s := smtp.NewServer(b)
 
@@ -38,7 +38,7 @@ func New(authSVC app.AuthServicePort, messageSVC app.MessageServicePort) SMTP {
 	s.Domain = "localhost"
 	s.ReadTimeout = 10 * time.Second
 	s.WriteTimeout = 10 * time.Second
-	s.MaxMessageBytes = 1024 * 1024 * 25 // TODO: put this in config
+	s.MaxMessageBytes = size
 	s.MaxRecipients = 50
 	s.AllowInsecureAuth = true