downloading files

Cargo.toml

@@ -36,3 +36,4 @@ futures = "0.3.4"
 
 # for errors
 thiserror = "1.0.18"
+actix-files = "0.2.1"

http/download.http

@@ -0,0 +1,6 @@
+GET http://127.0.0.1:8000/download/file/Cargo.toml
+Content-Type: application/json
+
+###
+GET http://127.0.0.1:8000/download/directory
+Content-Type: application/json

src/downloads/mod.rs

@@ -0,0 +1,33 @@
+use crate::utils::errors;
+use actix_files::{ NamedFile, Files };
+use actix_web::http::header::{ContentDisposition, DispositionType};
+use actix_web::{
+    web::{get, scope, Path as ReqPath},
+    Error, HttpResponse, Scope,
+};
+use serde::Deserialize;
+use std::path::Path;
+
+#[derive(Deserialize)]
+struct Info {
+    file_name: String,
+}
+
+async fn download_file(info: ReqPath<Info>) -> Result<NamedFile, Error> {
+    let path = Path::new(&info.file_name);
+    if path.exists() {
+        let file = NamedFile::open(&info.file_name)?;
+        Ok(file.set_content_disposition(ContentDisposition {
+            disposition: DispositionType::Attachment,
+            parameters: vec![],
+        }))
+    } else {
+        Err(errors::CustomError::NoFileFound(format!("unable to find {}", &info.file_name)).into())
+    }
+}
+
+pub fn register_download_routes() -> Scope {
+    scope("/download")
+    .route("/file/{file_name}", get().to(download_file))
+    .service(Files::new("/directory", "http").show_files_listing())
+}

src/main.rs

@@ -22,6 +22,10 @@ mod middleware;
 
 // errors example
 mod errors;
+
+// downloads
+mod downloads;
+
 #[actix_rt::main]
 async fn main() -> std::io::Result<()> {
     // loading .env file
@@ -43,6 +47,7 @@ async fn main() -> std::io::Result<()> {
             .service(auth::auth_routes())
             .service(Json::json_routes())
             .service(errors::register_error_handlers())
+            .service(downloads::register_download_routes())
             .service(private::register_private().wrap(middleware::private::CheckToken))
     })
     .bind("127.0.0.1:8000")?