Limit file upload size

config/config.go

@@ -16,6 +16,7 @@ type Config struct {
 	FileRoot     string
 	Auth         bool
 	AuthLifetime time.Duration
+	MaxFileSize  int64
 }
 
 func New() Config {
@@ -35,6 +36,7 @@ func New() Config {
 	as.Append(args.STRING, "drivertype", "database driver to use", "boltdb")
 	as.Append(args.BOOL, "auth", "check for authorized access", false)
 	as.Append(args.DURATION, "authlifetime", "duration auth is valid for", time.Hour)
+	as.Append(args.INT, "max-file-size", "max file size for uploads in bytes", 50*(1<<20))
 
 	if err := as.Parse(); err != nil {
 		panic(err)
@@ -49,5 +51,6 @@ func New() Config {
 		DriverType:   as.GetString("drivertype"),
 		Auth:         as.GetBool("auth"),
 		AuthLifetime: as.GetDuration("authlifetime"),
+		MaxFileSize:  int64(as.GetInt("max-file-size")),
 	}
 }