♻️ Refactored more modules into nexus

pkg/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"git.solsynth.dev/hypernet/nexus/pkg/nex/sec"
 	"os"
 	"os/signal"
 	"syscall"
@@ -42,6 +43,14 @@ func main() {
 		log.Fatal().Err(err).Msg("An error occurred when connecting to nexus...")
 	}
 
+	// Load keypair
+	if reader, err := sec.NewInternalTokenReader(viper.GetString("security.internal_public_key")); err != nil {
+		log.Error().Err(err).Msg("An error occurred when reading internal public key for jwt. Authentication related features will be disabled.")
+	} else {
+		server.IReader = reader
+		log.Info().Msg("Internal jwt public key loaded.")
+	}
+
 	// Connect to database
 	if err := database.NewGorm(); err != nil {
 		log.Fatal().Err(err).Msg("An error occurred when connect to database.")