{"record":{"id":"486de44363ceb468","repo":"Tencent/WeKnora","slug":"invalid-tos-file-path-s","errorCode":null,"errorMessage":"invalid TOS file path: %s","messagePattern":"invalid TOS file path: (.+?)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/application/service/file/tos.go","lineNumber":160,"sourceCode":"\t}\n\n\treturn fmt.Errorf(\"failed to check TOS bucket: %w\", err)\n}\n\nfunc joinTOSObjectKey(parts ...string) string {\n\tfiltered := make([]string, 0, len(parts))\n\tfor _, part := range parts {\n\t\tpart = strings.Trim(part, \"/\")\n\t\tif part != \"\" {\n\t\t\tfiltered = append(filtered, part)\n\t\t}\n\t}\n\treturn strings.Join(filtered, \"/\")\n}\n\nfunc parseTOSFilePath(filePath string) (bucketName string, objectKey string, err error) {\n\tif !strings.HasPrefix(filePath, tosScheme) {\n\t\treturn \"\", \"\", fmt.Errorf(\"invalid TOS file path: %s\", filePath)\n\t}\n\n\trest := strings.TrimPrefix(filePath, tosScheme)\n\tparts := strings.SplitN(rest, \"/\", 2)\n\tif len(parts) != 2 || parts[0] == \"\" || parts[1] == \"\" {\n\t\treturn \"\", \"\", fmt.Errorf(\"invalid TOS file path: %s\", filePath)\n\t}\n\treturn parts[0], parts[1], nil\n}\n\nfunc (s *tosFileService) SaveFile(ctx context.Context, file *multipart.FileHeader, tenantID uint64, knowledgeID string) (string, error) {\n\text := filepath.Ext(file.Filename)\n\tobjectName := joinTOSObjectKey(\n\t\ts.pathPrefix,\n\t\tfmt.Sprintf(\"%d\", tenantID),\n\t\tknowledgeID,\n\t\tuuid.New().String()+ext,\n\t)","sourceCodeStart":142,"sourceCodeEnd":178,"githubUrl":"https://github.com/Tencent/WeKnora/blob/988cbb03305e055d8ebb7d46d9ac6cc0803cd074/internal/application/service/file/tos.go#L142-L178","documentation":"TOS path parser guard: the path does not start with the 'tos://' scheme (or its bucket/key segments are empty after splitting), so no bucket/objectKey can be extracted and the operation is rejected before any storage call.","triggerScenarios":"Thrown at internal/application/service/file/tos.go:160 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Pass paths in the form tos://{bucket}/{objectKey}","Validate scheme and shape where the path originates"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"988cbb03305e055d8ebb7d46d9ac6cc0803cd074","analyzedAt":"2026-09-02T14:41:08.344Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}