Fix for invalid_download_code

pkg/http/client.go

@@ -276,11 +276,14 @@ func (r *HTTPClient) shouldRetry(req *http.Request, resp *http.Response, err err
 			return -1 // don't retry
 		}
 	} else if downloadErr, ok := err.(*DownloadErrorResponse); ok {
-		switch downloadErr.Code {
-		case http.StatusServiceUnavailable: // Service unavailable
+		switch downloadErr.Message {
+		case "bytes_limit_reached": // 503
 			return -1
-		default:
+		case "invalid_download_code": // 404
+			time.Sleep(time.Duration(rateLimitSleep) * time.Second)
 			return 1
+		default:
+			return 1 // retry
 		}
 	}
 	if err != nil && strings.Contains(err.Error(), "timeout") {

pkg/realdebrid/api.go

@@ -78,12 +78,12 @@ func (rd *RealDebrid) UnrestrictAndVerify(link string) (*Download, error) {
 				rd.TokenManager.SetTokenAsExpired(token, "bandwidth limit exceeded")
 				continue
 			}
-			if err != nil {
-				return nil, err
+			if err == nil {
+				rd.verifiedLinks.Set(download.ID, time.Now().Unix()+60*60*24)
+				return download, nil
 			}
-			rd.verifiedLinks.Set(download.ID, time.Now().Unix()+60*60*24)
-
-			return download, nil
+			rd.verifiedLinks.Remove(download.ID)
+			tokenMap.Remove(link)
 		}
 
 		download, err := rd.UnrestrictLinkWithToken(link, token)