From d85cce8264361fa2d2ff3836c76d9d04f4aeccc7 Mon Sep 17 00:00:00 2001
From: Pierre Hubert <pierre.git@communiquons.org>
Date: Sun, 27 Mar 2022 14:29:11 +0200
Subject: [PATCH] Prevent empty archive extraction

---
 src/main.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 17fddb1..2957ae1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,7 +5,7 @@ use actix_files::{Files, NamedFile};
 use actix_multipart::Multipart;
 use actix_web::{App, Error, HttpRequest, HttpResponse, HttpServer, web};
 use actix_web::dev::{fn_service, ServiceRequest, ServiceResponse};
-use actix_web::error::{ErrorInternalServerError, ErrorUnauthorized};
+use actix_web::error::{ErrorBadRequest, ErrorInternalServerError, ErrorUnauthorized};
 use actix_web::middleware::Logger;
 use bytes::BufMut;
 use clap::Parser;
@@ -178,6 +178,11 @@ async fn replace_files(args: web::Data<Args>, req: HttpRequest, mut payload: Mul
         }
     }
 
+    // Check if at least a file was sent
+    if new_files.is_empty() {
+        return Err(ErrorBadRequest("No file to extract!"));
+    }
+
     // Delete all current files in storage
     for entry in std::fs::read_dir(args.storage_path())? {
         let entry = entry?;