improved authentication check

internal/helper/helper.go

@@ -12,7 +12,6 @@ import (
 	"github.com/minio/minio-go/v7"
 	log "github.com/sirupsen/logrus"
 
-	errors "git.kapelle.org/niklas/s3browser/internal/errors"
 	types "git.kapelle.org/niklas/s3browser/internal/types"
 )
 
@@ -114,18 +113,9 @@ func GetParentDir(id string) string {
 	return NomalizeID(parent)
 }
 
-func IsAuth(ctx context.Context) (bool, error) {
+func IsAuthenticated(ctx context.Context) bool {
 	token, ok := ctx.Value("jwt").(*jwt.Token)
-
-	if !ok {
-		return false, errors.ExtendError("UNAUTHORIZED", "Unauthorized")
-	}
-
-	if token.Valid {
-		return true, nil
-	} else {
-		return false, errors.ExtendError("UNAUTHORIZED", "Unauthorized")
-	}
+	return (ok && token.Valid)
 }
 
 func CreateJWT(claims *types.JWTClaims) *jwt.Token {