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fix(driver): Handle Lanzou anti-crawler challenge by recalculating cookies #9364

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Merged
alist666 merged 1 commit into from
Nov 11, 2025
+21 −3
Merged

fix(driver): Handle Lanzou anti-crawler challenge by recalculating cookies #9364

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24 changes: 21 additions & 3 deletions drivers/lanzou/util.go
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Original file line number Diff line number Diff line change
Expand Up @@ -430,17 +430,35 @@ func (d *LanZou) getFilesByShareUrl(shareID, pwd string, sharePageData string) (
file.Time = timeFindReg.FindString(sharePageData)

// 重定向获取真实链接
res, err := base.NoRedirectClient.R().SetHeaders(map[string]string{
headers := map[string]string{
"accept-language": "zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6",
}).Get(downloadUrl)
}
res, err := base.NoRedirectClient.R().SetHeaders(headers).Get(downloadUrl)
if err != nil {
return nil, err
}

rPageData := res.String()
if findAcwScV2Reg.MatchString(rPageData) {
log.Debug("lanzou: detected acw_sc__v2 challenge, recalculating cookie")
acwScV2, err := CalcAcwScV2(rPageData)
if err != nil {
return nil, err
}
// retry with calculated cookie to bypass anti-crawler validation
res, err = base.NoRedirectClient.R().
SetHeaders(headers).
SetCookie(&http.Cookie{Name: "acw_sc__v2", Value: acwScV2}).
Get(downloadUrl)
if err != nil {
return nil, err
}
rPageData = res.String()
}

file.Url = res.Header().Get("location")

// 触发验证
rPageData := res.String()
if res.StatusCode() != 302 {
param, err = htmlJsonToMap(rPageData)
if err != nil {
Expand Down