added discord token check to auth

internal/store/store.go

@@ -1,3 +1,4 @@
+// Package store provides a session store for caching data
 package store
 
 import (
@@ -22,6 +23,7 @@ type Store struct {
 	sessions       sync.Map // key: string, value: *RegistrationSession
 	redirectTracks sync.Map // key: string, value: *RedirectTrack
 	cleanup        *time.Ticker
+	tokenchecks    sync.Map // key: int, value: *TokenCheck
 }
 
 func NewStore() *Store {
@@ -42,6 +44,7 @@ func NewStore() *Store {
 func (s *Store) Delete(id string) {
 	s.sessions.Delete(id)
 }
+
 func (s *Store) cleanupExpired() {
 	now := time.Now()
 
@@ -62,10 +65,19 @@ func (s *Store) cleanupExpired() {
 		}
 		return true
 	})
+
+	s.tokenchecks.Range(func(key, value any) bool {
+		check := value.(*TokenCheck)
+		if now.After(check.ExpiresAt) {
+			s.tokenchecks.Delete(key)
+		}
+		return true
+	})
 }
+
 func generateID() string {
 	b := make([]byte, 32)
-	rand.Read(b)
+	_, _ = rand.Read(b)
 	return base64.RawURLEncoding.EncodeToString(b)
 }