fish2018/pansou · error
[ ] hsid= 创建链接请求失败
Error message
[%s] hsid=%s创建链接请求失败: %w
What it means
This error is thrown by fetchShareLink when http.NewRequestWithContext fails to construct the GET request for converting a hsid into a share link. This is rare — it usually means the fetchURL was malformed (invalid method/URL) or the 15s-timeout context was already expired/invalid before the request was created.
Solutions
- Log fetchURL when this fires and validate it with url.Parse before constructing the request
- url.PathEscape / url.QueryEscape the hsid before interpolating it into fetchURL
- Check that hsid is non-empty before calling fetchShareLink
- Use context.WithTimeout on a caller-supplied context rather than Background so cancellation is traceable
Example fix
// before
req, err := http.NewRequestWithContext(ctx, "GET", fetchURL, nil)
if err != nil {
return "", "", fmt.Errorf("[%s] hsid=%s创建链接请求失败: %w", p.Name(), hsid, err)
}
// after
if hsid == "" {
return "", "", fmt.Errorf("[%s] hsid为空，无法创建链接请求", p.Name())
}
if _, perr := url.Parse(fetchURL); perr != nil {
return "", "", fmt.Errorf("[%s] fetchURL非法 (%s): %w", p.Name(), fetchURL, perr)
}
req, err := http.NewRequestWithContext(ctx, "GET", fetchURL, nil)
if err != nil {
return "", "", fmt.Errorf("[%s] hsid=%s创建链接请求失败: %w", p.Name(), hsid, err)
} Defensive patterns
Strategy: validation
Validate before calling
if hsid == "" {
return errors.New("hsid is empty")
}
if _, err := url.Parse(fetchURL); err != nil {
return fmt.Errorf("invalid fetchURL %q: %w", fetchURL, err)
} Try / catch
req, err := http.NewRequestWithContext(ctx, "GET", fetchURL, nil)
if err != nil {
return fmt.Errorf("build request failed for hsid=%s: %w", hsid, err)
} Prevention
- Always escape hsid/keyword values interpolated into URLs
- Reject empty identifiers before making requests
- Pass caller contexts down instead of building Background contexts
- Unit-test URL construction with unusual hsid values
When it happens
Trigger: http.NewRequestWithContext(ctx, "GET", fetchURL, nil) returns an error inside fetchShareLink — typically because fetchURL fails url.Parse or the context is invalid.
Common situations: The hsid or platform value interpolated into fetchURL contains characters that break the URL; fetchURL built with an empty hsid; caller-provided context already cancelled; URL containing spaces or unencoded Chinese characters.
Understand the failure class
Background: "Invalid URL" / "URL cannot be empty": fix the malformed or missing URL behind request-construction failures — this error's family across 50 libraries.
Related errors
AI-assisted analysis of fish2018/pansou@beaa561337 (2026-09-07).
Data as JSON: /api/errors/f79dbe9c35ce4961.
Report an issue: GitHub.
Appendix: source
Thrown at plugin/haisou/haisou.go:390
}
// fetchShareLink 通过hsid获取具体的分享链接
func (p *HaisouPlugin) fetchShareLink(client *http.Client, hsid string, platform string) (string, string, error) {
// 构建获取链接的URL
fetchURL := fmt.Sprintf("https://haisou.cc/api/pan/share/%s/fetch", hsid)
if DebugLog {
fmt.Printf("[%s] 获取链接 hsid=%s platform=%s: %s\n", p.Name(), hsid, platform, fetchURL)
}
// 创建带超时的上下文
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
// 创建请求对象
req, err := http.NewRequestWithContext(ctx, "GET", fetchURL, nil)
if err != nil {
return "", "", fmt.Errorf("[%s] hsid=%s创建链接请求失败: %w", p.Name(), hsid, err)
}
// 设置请求头
req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36")
req.Header.Set("Accept", "application/json, text/plain, */*")
req.Header.Set("Accept-Language", "zh-CN,zh;q=0.9,en;q=0.8")
req.Header.Set("Connection", "keep-alive")
req.Header.Set("Referer", "https://haisou.cc/")
// 发送HTTP请求（带重试机制）
resp, err := p.doRequestWithRetry(req, client)
if err != nil {
return "", "", fmt.Errorf("[%s] hsid=%s链接请求失败: %w", p.Name(), hsid, err)
}
defer resp.Body.Close()
// 检查状态码
if resp.StatusCode != 200 {View on GitHub (pinned to beaa561337)