Remove preventing of messing with global, as system modules mess with global

Cargo.lock

@@ -1392,9 +1392,9 @@ dependencies = [
 
 [[package]]
 name = "mlua"
-version = "0.10.2"
+version = "0.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ea43c3ffac2d0798bd7128815212dd78c98316b299b7a902dabef13dc7b6b8d"
+checksum = "9be1c2bfc684b8a228fbaebf954af7a47a98ec27721986654a4cc2c40a20cc7e"
 dependencies = [
  "bstr",
  "either",
@@ -1404,15 +1404,16 @@ dependencies = [
  "num-traits",
  "parking_lot",
  "rustc-hash",
+ "rustversion",
  "serde",
  "serde-value",
 ]
 
 [[package]]
 name = "mlua-sys"
-version = "0.6.6"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63a11d485edf0f3f04a508615d36c7d50d299cf61a7ee6d3e2530651e0a31771"
+checksum = "3d4dc9cfc5a7698899802e97480617d9726f7da78c910db989d4d0fd4991d900"
 dependencies = [
  "cc",
  "cfg-if 1.0.0",

Cargo.toml

@@ -25,7 +25,7 @@ exe = "0.5"
 image = { version = "0.25", features = ["ico"] }
 urlencoding = "2.1"
 markdown = "1.0.0-alpha.16"
-mlua = { version = "0.10", features = ["lua54", "serialize", "async", "send"] }
+mlua = { version = "0.11", features = ["lua54", "serialize", "async", "send"] }
 reqwest = { version = "0.10", default-features = false, features = [
     "json",
     "rustls-tls",

Dockerfile

@@ -2,8 +2,8 @@
 FROM nickblah/lua:5.4-luarocks-alpine AS build
 RUN apk add --no-cache build-base rust cargo lua5.4-dev pkgconfig openssl-dev m4 bsd-compat-headers
 # Install lua modules here.
-RUN luarocks install luasec
 RUN luarocks install luasocket
+RUN luarocks install luasec
 RUN luarocks install lua-cjson
 RUN luarocks install base64
 RUN luarocks install inspect
@@ -17,7 +17,7 @@ RUN cargo build --release
 # Deploy stage
 FROM alpine
 WORKDIR /app
-RUN apk update && apk add --no-cache ca-certificates openssl libgcc lua5.4-libs
+RUN apk update && apk add --no-cache ca-certificates openssl libgcc lua5.4-libs readline
 
 COPY --from=build /usr/local/bin/lua /usr/local/bin/lua
 COPY --from=build /usr/local/bin/luarocks /usr/local/bin/luarocks

src/main.rs

@@ -278,23 +278,23 @@ async fn file_handler(request: Request) -> impl IntoResponse {
     std::env::set_current_dir(full_base_path).unwrap();
 
     // Before executing user-code, make sure they can't screw with `global`
-    lua.load(
-        r#"
-    setmetatable(_G, {
-        __newindex = function (_, n)
-            error("attempt to write to undeclared variable "..n, 2)
-        end,
-        __index = function (_, n)
-            error("attempt to read undeclared variable "..n, 2)
-        end,
-    })"#,
-    )
-    .exec()
-    .map_err(|e| {
-        std::env::set_current_dir(&*CWD).unwrap();
-        eprintln!("Lua Error: {e:?}");
-        render_lua_error(e)
-    })?;
+    // lua.load(
+    //     r#"
+    // setmetatable(_G, {
+    //     __newindex = function (_, n)
+    //         error("attempt to write to undeclared variable "..n, 2)
+    //     end,
+    //     __index = function (_, n)
+    //         error("attempt to read undeclared variable "..n, 2)
+    //     end,
+    // })"#,
+    // )
+    // .exec()
+    // .map_err(|e| {
+    //     std::env::set_current_dir(&*CWD).unwrap();
+    //     eprintln!("Lua Error: {e:?}");
+    //     render_lua_error(e)
+    // })?;
 
     let script = lua.load(script).eval::<LuaValue>().map_err(|e| {
         std::env::set_current_dir(&*CWD).unwrap();