{"record":{"id":"221d4c60670f9f7b","repo":"fish2018/pansou","slug":"anubis-w","errorCode":null,"errorMessage":"创建 Anubis 验证请求失败: %w","messagePattern":"创建 Anubis 验证请求失败: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"plugin/miosou/miosou.go","lineNumber":157,"sourceCode":"\n\tvar lastErr error\n\tfor attempt := 0; attempt < 3; attempt++ {\n\t\tctx, cancel := context.WithTimeout(context.Background(), gateTimeout)\n\t\terr := p.completeAnubisChallenge(ctx)\n\t\tcancel()\n\t\tif err == nil {\n\t\t\tp.gateReady = true\n\t\t\treturn nil\n\t\t}\n\t\tlastErr = err\n\t}\n\treturn fmt.Errorf(\"[%s] 人机验证未通过: %w\", p.Name(), lastErr)\n}\n\nfunc (p *MiosouPlugin) completeAnubisChallenge(ctx context.Context) error {\n\treq, err := http.NewRequestWithContext(ctx, http.MethodGet, baseURL+\"/\", nil)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"创建 Anubis 验证请求失败: %w\", err)\n\t}\n\tsetPageHeaders(req)\n\tresp, err := p.client.Do(req)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"获取 Anubis 验证题目失败: %w\", err)\n\t}\n\tbody, readErr := io.ReadAll(io.LimitReader(resp.Body, 1<<20))\n\tresp.Body.Close()\n\tif readErr != nil {\n\t\treturn fmt.Errorf(\"读取 Anubis 验证题目失败: %w\", readErr)\n\t}\n\tchallenge, found, err := parseAnubisChallenge(body)\n\tif err != nil {\n\t\treturn err\n\t}\n\tif !found {\n\t\tif resp.StatusCode == http.StatusOK && !isAnubisGateResponse(resp) {\n\t\t\treturn nil","sourceCodeStart":139,"sourceCodeEnd":175,"githubUrl":"https://github.com/fish2018/pansou/blob/beaa56133755a548ebc51b090b3816e2ae044aa6/plugin/miosou/miosou.go#L139-L175","documentation":"This error is returned by MiosouPlugin.completeAnubisChallenge when http.NewRequestWithContext fails to construct the GET request to baseURL+\"/\" — the first step of solving the Anubis challenge. Since baseURL is a compile-time constant, this indicates the URL string is malformed (unparseable) or the supplied context is invalid; it is wrapped by ensureGate's 人机验证未通过 error.","triggerScenarios":"completeAnubisChallenge calls http.NewRequestWithContext(ctx, http.MethodGet, baseURL+\"/\", nil) and it returns err because the URL cannot be parsed (bad scheme/characters in baseURL) or ctx is already canceled/invalid.","commonSituations":"baseURL misconfigured with whitespace/control characters or missing scheme; a refactor passes an already-canceled context into ensureGate→completeAnubisChallenge; accidental string concatenation breaking the URL.","solutions":["Log baseURL and run url.Parse on it to confirm it is valid with an https scheme","Check any config/constant override of baseURL for stray whitespace or typos","Ensure the context passed in is fresh and not canceled before the challenge begins","This is deterministic — fix the value; do not rely on the 3-attempt retry loop"],"exampleFix":"// before\nbaseURL = \"miosou.example .com\" // invalid: contains space\n// after\nbaseURL = \"https://miosou.example.com\"\nif _, err := url.Parse(baseURL); err != nil {\n    panic(\"invalid baseURL: \" + err.Error())\n}","handlingStrategy":"validation","validationCode":"// Go: validate baseURL before constructing challenge requests\nu, err := url.Parse(baseURL + \"/\")\nif err != nil || (u.Scheme != \"http\" && u.Scheme != \"https\") || u.Host == \"\" {\n    return fmt.Errorf(\"invalid baseURL %q: %v\", baseURL, err)\n}","typeGuard":"func validBaseURL(raw string) bool {\n    u, err := url.Parse(raw)\n    return err == nil && u.Host != \"\" && (u.Scheme == \"http\" || u.Scheme == \"https\")\n}","tryCatchPattern":"req, err := http.NewRequestWithContext(ctx, http.MethodGet, baseURL+\"/\", nil)\nif err != nil {\n    return fmt.Errorf(\"bad challenge URL %q: %w\", baseURL+\"/\", err)\n}","preventionTips":["Validate baseURL at startup, not inside the challenge flow","Use url.JoinPath/url.Parse instead of raw concatenation","Never pass an already-canceled context into gate setup","Add a startup smoke test hitting baseURL + \"/\""],"tags":["http","url","request-construction","anubis"],"backgroundTag":"invalid-url","analyzedSha":"beaa56133755a548ebc51b090b3816e2ae044aa6","analyzedAt":"2026-09-07T00:31:18.025Z","contentChangedAt":"2026-09-07T00:31:18.025Z","schemaVersion":2},"datasetVersion":"2026-09-15T23:17:13.987Z"}