[management] Auto update geolite (#2297)

introduces helper functions to fetch and verify database versions, downloads new files if outdated, and deletes old ones. It also refactors filename handling to improve clarity and consistency, adding options to disable auto-updating via a flag. The changes aim to simplify GeoLite database management for admins.

management/server/geolocation/utils.go

@@ -10,6 +10,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"mime"
 	"net/http"
 	"os"
 	"path"
@@ -174,3 +175,21 @@ func downloadFile(url, filepath string) error {
 	_, err = io.Copy(out, bytes.NewBuffer(bodyBytes))
 	return err
 }
+
+func getFilenameFromURL(url string) (string, error) {
+	resp, err := http.Head(url)
+	if err != nil {
+		return "", err
+	}
+
+	defer resp.Body.Close()
+
+	_, params, err := mime.ParseMediaType(resp.Header["Content-Disposition"][0])
+	if err != nil {
+		return "", err
+	}
+
+	filename := params["filename"]
+
+	return filename, nil
+}