initial commit: used actix and added a GET fn

src/main.rs

@@ -0,0 +1,34 @@
+mod post;
+use actix_files::NamedFile;
+use actix_web::{web, App, HttpRequest, HttpServer};
+use std::{env, io, path::PathBuf};
+
+const ROOT_DIR: &str = "/files/";
+
+fn get_token() -> String {
+    env::var("FILEHOST_TOKEN").expect("FILEHOST_TOKEN is not set")
+}
+
+async fn get_file(req: HttpRequest) -> Result<NamedFile, io::Error> {
+    let file_name = req.match_info().get("file").unwrap_or("default");
+    let file_path: PathBuf = format!("{}{}", ROOT_DIR, file_name).parse().unwrap();
+    match NamedFile::open(file_path) {
+        Ok(file) => Ok(file),
+        Err(_) => Err(io::Error::new(
+            io::ErrorKind::Other,
+            "No such file there, bhay",
+        )),
+    }
+}
+
+#[actix_web::main]
+async fn main() -> io::Result<()> {
+    HttpServer::new(|| {
+        App::new()
+            .route("/{file}", web::get().to(get_file))
+            .route("/", web::post().to(post::post))
+    })
+    .bind(("127.0.0.1", 8888))?
+    .run()
+    .await
+}