{"record":{"id":"32a8e5a99c3ca68d","repo":"MHSanaei/3x-ui","slug":"download-panel-updater-w","errorCode":null,"errorMessage":"download panel updater: %w","messagePattern":"download panel updater: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/web/service/panel/panel.go","lineNumber":361,"sourceCode":"// previousRunIsTerminal reports whether the run currently recorded in\n// updateRunID has reached success or failure per its status file. Must be\n// called with updateMu held.\nfunc previousRunIsTerminal() bool {\n\tstatus := (&PanelService{}).GetUpdateStatus()\n\treturn status.RunID == strconv.FormatInt(updateRunID, 10) && status.State != updateStatePending\n}\n\nfunc releaseUpdateSlot() {\n\tupdateMu.Lock()\n\tupdateRunning = false\n\tupdateMu.Unlock()\n}\n\nfunc downloadPanelUpdater() (string, error) {\n\tclient := (&service.SettingService{}).NewProxiedHTTPClient(15 * time.Second)\n\treq, reqErr := http.NewRequestWithContext(context.Background(), http.MethodGet, panelUpdaterURL, nil)\n\tif reqErr != nil {\n\t\treturn \"\", fmt.Errorf(\"download panel updater: %w\", reqErr)\n\t}\n\tresp, err := client.Do(req)\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"download panel updater: %w\", err)\n\t}\n\tdefer resp.Body.Close()\n\tif resp.StatusCode != http.StatusOK {\n\t\treturn \"\", fmt.Errorf(\"download panel updater: unexpected HTTP %d\", resp.StatusCode)\n\t}\n\n\tfile, err := os.CreateTemp(\"\", \"3x-ui-update-*.sh\")\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\tpath := file.Name()\n\tok := false\n\tdefer func() {\n\t\t_ = file.Close()","sourceCodeStart":343,"sourceCodeEnd":379,"githubUrl":"https://github.com/MHSanaei/3x-ui/blob/ad32144c42455696ea9f14e12168beac3e25f5d2/internal/web/service/panel/panel.go#L343-L379","documentation":"downloadPanelUpdater builds the GET request for the updater script URL; this branch wraps only http.NewRequestWithContext failing. With a constant, well-formed URL this practically cannot fire — it exists for completeness. If it ever does, the URL constant itself is malformed (parse error).","triggerScenarios":"Only if panelUpdaterURL in the source were corrupted (invalid characters, bad scheme) — not reachable through any user configuration.","commonSituations":"Essentially none in production; a developer editing panelUpdaterURL and introducing a typo would hit it in tests.","solutions":["If you are building a modified panel, validate the panelUpdaterURL constant parses as an absolute https URL","For end users: report upstream — this is not configuration-dependent"],"exampleFix":null,"handlingStrategy":"validation","validationCode":"if _, err := url.ParseRequestURI(panelUpdaterURL); err != nil {\n    return fmt.Errorf(\"updater URL malformed: %w\", err)\n}","typeGuard":null,"tryCatchPattern":null,"preventionTips":["For downstream builders: unit-test the URL constant parses","End users: not actionable — report upstream"],"tags":["updates","url-parsing","internal","panel-update"],"backgroundTag":null,"analyzedSha":"ad32144c42455696ea9f14e12168beac3e25f5d2","analyzedAt":"2026-08-15T11:13:23.905Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}