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fix testFileUrl

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nyne
2025-08-28 16:35:56 +08:00
parent 488a91e651
commit 634d5a348a
1 changed files with 44 additions and 25 deletions
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69
server/service/file.go
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@@ -445,32 +445,51 @@ func DownloadFile(fid, cfToken string) (string, string, error) {
}
func testFileUrl(url string) (int64, error) {
client := http.Client{
Timeout: 10 * time.Second,
client := http.Client{Timeout: 10 * time.Second}
// Try HEAD request first, fallback to GET
for _, method := range []string{"HEAD", "GET"} {
req, err := http.NewRequest(method, url, nil)
if err != nil {
return 0, model.NewRequestError("failed to create HTTP request")
}
resp, err := client.Do(req)
if err != nil {
if method == "GET" {
return 0, model.NewRequestError("failed to send HTTP request")
}
continue // Try GET if HEAD fails
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
if method == "GET" {
return 0, model.NewRequestError("URL is not accessible, status code: " + resp.Status)
}
continue // Try GET if HEAD fails
}
contentLengthStr := resp.Header.Get("Content-Length")
if contentLengthStr == "" {
if method == "GET" {
return 0, model.NewRequestError("URL does not provide content length")
}
continue // Try GET if HEAD doesn't provide Content-Length
}
contentLength, err := strconv.ParseInt(contentLengthStr, 10, 64)
if err != nil || contentLength <= 0 {
if method == "GET" {
return 0, model.NewRequestError("Content-Length is not valid")
}
continue // Try GET if HEAD has invalid Content-Length
}
return contentLength, nil
}
req, err := http.NewRequest("HEAD", url, nil)
if err != nil {
return 0, model.NewRequestError("failed to create HTTP request")
}
resp, err := client.Do(req)
if err != nil {
return 0, model.NewRequestError("failed to send HTTP request")
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return 0, model.NewRequestError("URL is not accessible, status code: " + resp.Status)
}
if resp.Header.Get("Content-Length") == "" {
return 0, model.NewRequestError("URL does not provide content length")
}
contentLength, err := strconv.ParseInt(resp.Header.Get("Content-Length"), 10, 64)
if err != nil {
return 0, model.NewRequestError("failed to parse Content-Length header")
}
if contentLength <= 0 {
return 0, model.NewRequestError("Content-Length is not valid")
}
return contentLength, nil
return 0, model.NewRequestError("failed to get valid content length")
}
// downloadFile return nil if the download is successful or the context is cancelled