Check upload name to make sure its an image or video

The upload code should be additionally refactored to probably do a more
comprehensive check of if the file is an image or video.

src/main.rs

@@ -28,7 +28,7 @@ use log::{debug, error, info};
 
 use crate::data::Claims;
 use crate::database::{add_favorite, get_favorites};
-use crate::files::{is_valid_path, list_files};
+use crate::files::{is_image_or_video, is_valid_path, list_files};
 use crate::video::*;
 
 mod auth;
@@ -131,7 +131,7 @@ async fn upload_image(_: Claims, mut payload: mp::Multipart) -> impl Responder {
     if !file_content.is_empty() {
         let full_path = PathBuf::from(&path).join(file_name.unwrap());
         if let Some(full_path) = is_valid_path(full_path.to_str().unwrap_or("")) {
-            if !full_path.is_file() {
+            if !full_path.is_file() && is_image_or_video(&full_path) {
                 let mut file = File::create(full_path).unwrap();
                 file.write_all(&file_content).unwrap();
             } else {