Clarify some constants

virtweb_backend/src/constants.rs

@@ -27,14 +27,14 @@ pub const ALLOWED_ISO_MIME_TYPES: [&str; 4] = [
 ];
 
 /// ISO max size
-pub const ISO_MAX_SIZE: usize = 10 * 1000 * 1000 * 1000;
+pub const ISO_MAX_SIZE: FileSize = FileSize::from_gb(10);
 
 /// Allowed uploaded disk images formats
 pub const ALLOWED_DISK_IMAGES_MIME_TYPES: [&str; 2] =
     ["application/x-qemu-disk", "application/gzip"];
 
 /// Disk image max size
-pub const DISK_IMAGE_MAX_SIZE: usize = 10 * 1000 * 1000 * 1000 * 1000;
+pub const DISK_IMAGE_MAX_SIZE: FileSize = FileSize::from_gb(10 * 1000);
 
 /// Min VM memory size (MB)
 pub const MIN_VM_MEMORY: usize = 100;

virtweb_backend/src/controllers/disk_images_controller.rs

@@ -24,7 +24,7 @@ pub async fn upload(MultipartForm(mut form): MultipartForm<UploadDiskImageForm>)
     let file = form.files.remove(0);
 
     // Check uploaded file size
-    if file.size > constants::DISK_IMAGE_MAX_SIZE {
+    if file.size > constants::DISK_IMAGE_MAX_SIZE.as_bytes() {
         return Ok(HttpResponse::BadRequest().json("Disk image max size exceeded!"));
     }
 

virtweb_backend/src/controllers/iso_controller.rs

@@ -26,7 +26,7 @@ pub async fn upload_file(MultipartForm(mut form): MultipartForm<UploadIsoForm>)
 
     let file = form.files.remove(0);
 
-    if file.size > constants::ISO_MAX_SIZE {
+    if file.size > constants::ISO_MAX_SIZE.as_bytes() {
         log::error!("Uploaded ISO file is too large!");
         return Ok(HttpResponse::BadRequest().json("File is too large!"));
     }
@@ -88,7 +88,7 @@ pub async fn upload_from_url(req: web::Json<DownloadFromURLReq>) -> HttpResult {
     let response = reqwest::get(&req.url).await?;
 
     if let Some(len) = response.content_length() {
-        if len > constants::ISO_MAX_SIZE as u64 {
+        if len > constants::ISO_MAX_SIZE.as_bytes() as u64 {
             return Ok(HttpResponse::BadRequest().json("File is too large!"));
         }
     }

virtweb_backend/src/controllers/server_controller.rs

@@ -71,8 +71,8 @@ pub async fn static_config(local_auth: LocalAuthEnabled) -> impl Responder {
         builtin_nwfilter_rules: &constants::BUILTIN_NETWORK_FILTER_RULES,
         nwfilter_chains: &constants::NETWORK_CHAINS,
         constraints: ServerConstraints {
-            iso_max_size: constants::ISO_MAX_SIZE,
-            disk_image_max_size: constants::DISK_IMAGE_MAX_SIZE,
+            iso_max_size: constants::ISO_MAX_SIZE.as_bytes(),
+            disk_image_max_size: constants::DISK_IMAGE_MAX_SIZE.as_bytes(),
 
             vnc_token_duration: VNC_TOKEN_LIFETIME,
 

virtweb_backend/src/main.rs

@@ -122,10 +122,9 @@ async fn main() -> std::io::Result<()> {
             }))
             .app_data(conn.clone())
             // Uploaded files
-            .app_data(
-                MultipartFormConfig::default()
-                    .total_limit(max(constants::DISK_IMAGE_MAX_SIZE, constants::ISO_MAX_SIZE)),
-            )
+            .app_data(MultipartFormConfig::default().total_limit(
+                max(constants::DISK_IMAGE_MAX_SIZE, constants::ISO_MAX_SIZE).as_bytes(),
+            ))
             .app_data(TempFileConfig::default().directory(&AppConfig::get().temp_dir))
             // Server controller
             .route(