feat: small file is unrequired to verity to download.

frontend/src/pages/resource_details_page.tsx

@@ -702,6 +702,8 @@ function FileTile({ file }: { file: RFile }) {
           </p>
         </div>
         <div className={"flex flex-row items-center"}>
+          {
+            file.size > 10 * 1024 * 1024 ? (
               <button
                 ref={buttonRef}
                 className={"btn btn-primary btn-soft btn-square"}
@@ -716,6 +718,16 @@ function FileTile({ file }: { file: RFile }) {
               >
                 <MdOutlineDownload size={24} />
               </button>
+            ) : (
+              <a
+                href={network.getFileDownloadLink(file.id, "")}
+                target="_blank"
+                className={"btn btn-primary btn-soft btn-square"}
+              >
+                <MdOutlineDownload size={24} />
+              </a>
+            )
+          }
         </div>
       </div>
     </div>

server/service/file.go

@@ -22,6 +22,7 @@ import (
 const (
 	blockSize                  = 4 * 1024 * 1024           // 4MB
 	storageKeyUnavailable      = "storage_key_unavailable" // Placeholder for unavailable storage key
+	MinUnrequireVerifyFileSize = 10 * 1024 * 1024          // 10MB
 )
 
 func getUploadingSize() int64 {
@@ -387,15 +388,6 @@ func GetFile(fid string) (*model.FileView, error) {
 
 // DownloadFile handles the file download request. Return a presigned URL or a direct file path.
 func DownloadFile(fid, cfToken string) (string, string, error) {
-	passed, err := verifyCfToken(cfToken)
-	if err != nil {
-		log.Error("failed to verify cf token: ", err)
-		return "", "", model.NewRequestError("failed to verify cf token")
-	}
-	if !passed {
-		log.Info("cf token verification failed")
-		return "", "", model.NewRequestError("cf token verification failed")
-	}
 	file, err := dao.GetFile(fid)
 	if err != nil {
 		log.Error("failed to get file: ", err)
@@ -405,6 +397,16 @@ func DownloadFile(fid, cfToken string) (string, string, error) {
 		return "", "", model.NewRequestError("file is not available, please try again later")
 	}
 
+	passed, err := verifyCfToken(cfToken)
+	if err != nil {
+		log.Error("failed to verify cf token: ", err)
+		return "", "", model.NewRequestError("failed to verify cf token")
+	}
+	if !passed && file.Size > MinUnrequireVerifyFileSize {
+		log.Info("cf token verification failed")
+		return "", "", model.NewRequestError("cf token verification failed")
+	}
+
 	if file.StorageID == nil {
 		if file.RedirectUrl != "" {
 			err := dao.AddResourceDownloadCount(file.ResourceID)

server/service/utils.go

@@ -28,6 +28,9 @@ func verifyCfToken(cfToken string) (bool, error) {
 	if config.CloudflareTurnstileSecretKey() == "" {
 		return true, nil
 	}
+	if cfToken == "" {
+		return false, nil
+	}
 	client := &http.Client{}
 	data, _ := json.Marshal(map[string]string{
 		"secret":   config.CloudflareTurnstileSecretKey(),