{"record":{"id":"d46cc1e5b3531b7d","repo":"fish2018/pansou","slug":"s-s-cloudflare-managed-challenge-http-d","errorCode":null,"errorMessage":"[%s] %s触发 Cloudflare Managed Challenge (HTTP %d)","messagePattern":"\\[(.+?)\\] (.+?)触发 Cloudflare Managed Challenge \\(HTTP (.+?)\\)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"plugin/diduan/diduan.go","lineNumber":196,"sourceCode":"\t// 解析HTML提取搜索结果\n\tdoc, err := goquery.NewDocumentFromReader(resp.Body)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"[%s] 解析搜索结果HTML失败: %w\", p.Name(), err)\n\t}\n\n\treturn p.parseSearchResults(doc)\n}\n\n// getPage 串行化 cloudscraper 调用，避免其 stealth 计数器并发竞争。\nfunc (p *DiduanPlugin) getPage(rawURL string) (*http.Response, error) {\n\tp.scraperMu.Lock()\n\tdefer p.scraperMu.Unlock()\n\treturn p.scraper.Get(rawURL)\n}\n\nfunc (p *DiduanPlugin) httpStatusError(action string, resp *http.Response) error {\n\tif strings.EqualFold(resp.Header.Get(\"cf-mitigated\"), \"challenge\") {\n\t\treturn fmt.Errorf(\"[%s] %s触发 Cloudflare Managed Challenge (HTTP %d)\", p.Name(), action, resp.StatusCode)\n\t}\n\treturn fmt.Errorf(\"[%s] %sHTTP状态错误: %d\", p.Name(), action, resp.StatusCode)\n}\n\n// parseSearchResults 解析搜索结果HTML\nfunc (p *DiduanPlugin) parseSearchResults(doc *goquery.Document) ([]model.SearchResult, error) {\n\tvar results []model.SearchResult\n\n\t// ddys.io 当前页面使用 movie-card；影视搜索区的第一个 h2 下才是搜索结果，\n\t// 后面的 movie-card 是推荐内容，不能一并请求详情页。\n\tvar cards *goquery.Selection\n\tdoc.Find(\"h2\").EachWithBreak(func(_ int, heading *goquery.Selection) bool {\n\t\tif strings.HasPrefix(strings.TrimSpace(heading.Text()), \"影视\") {\n\t\t\tcards = heading.Parent().Parent().Find(\".movie-card\")\n\t\t\treturn false\n\t\t}\n\t\treturn true\n\t})","sourceCodeStart":178,"sourceCodeEnd":214,"githubUrl":"https://github.com/fish2018/pansou/blob/beaa56133755a548ebc51b090b3816e2ae044aa6/plugin/diduan/diduan.go#L178-L214","documentation":"httpStatusError inspects the cf-mitigated response header; when it equals \"challenge\" the request was intercepted by a Cloudflare Managed Challenge rather than an ordinary HTTP failure, and this dedicated error is returned naming the action (e.g. 搜索 or detail fetch) and status code. It tells the caller the site's bot protection actively challenged this request.","triggerScenarios":"Any request through getPage/fetchDetailPageLinks that receives a response with header cf-mitigated: challenge — executeSearch on the search page or fetchDetailPageLinks on a detail page. Callers wrap this into 搜索请求失败? no: executeSearch calls it directly on non-200 status.","commonSituations":"Cloudflare tightened protection for the site; the scraper's fingerprint is stale/detected; scraping from datacenter IPs; too-high request rate triggering managed challenge enforcement.","solutions":["Back off and retry much later; managed challenges usually cannot be bypassed programmatically.","Update cloudscraper or its browser-emulation profile to a newer fingerprint.","Reduce request rate and add randomized delays to avoid tripping bot detection.","Route through residential proxies or a headless-browser solver service."],"exampleFix":"// before\nif err != nil { return err }\n// after\nif err != nil {\n    var cfErr *CloudflareChallengeError\n    if errors.As(err, &cfErr) {\n        time.Sleep(10 * time.Minute) // cool down before next attempt\n    }\n    return err\n}","handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":"if err != nil {\n    if strings.Contains(err.Error(), \"Managed Challenge\") {\n        return p.fallbackSource(keyword) // alternate mirror or cache\n    }\n    return err\n}","preventionTips":["Throttle request rate with randomized delays to avoid triggering challenges.","Keep cloudscraper and its browser fingerprint current.","Prefer residential IPs over datacenter ranges.","Implement a fallback data source or cached results for challenged periods."],"tags":["cloudflare","anti-bot","challenge","http","go"],"backgroundTag":"cloudflare-challenge-blocked","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"}