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Cargo.lock

@@ -30,6 +30,7 @@ dependencies = [
  "bitflags",
  "bytes",
  "futures-util",
+ "headers",
  "http",
  "http-body",
  "hyper",
@@ -67,12 +68,27 @@ dependencies = [
  "tower-service",
 ]
 
+[[package]]
+name = "base64"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "bytes"
 version = "1.2.1"
@@ -85,6 +101,35 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adfbc57365a37acbd2ebf2b64d7e69bb766e2fea813521ed536f5d0520dcf86c"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.31"
@@ -124,6 +169,12 @@ version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04909a7a7e4633ae6c4a9ab280aeb86da1236243a77b694a49eacd659a4bd3ac"
 
+[[package]]
+name = "futures-sink"
+version = "0.3.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39c15cf1a4aa79df40f1bb462fb39676d0ad9e366c2a33b590d7c66f4f81fcf9"
+
 [[package]]
 name = "futures-task"
 version = "0.3.25"
@@ -142,6 +193,16 @@ dependencies = [
  "pin-utils",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.8"
@@ -153,6 +214,31 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "headers"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3e372db8e5c0d213e0cd0b9be18be2aca3d44cf2fe30a9d46a65581cd454584"
+dependencies = [
+ "base64",
+ "bitflags",
+ "bytes",
+ "headers-core",
+ "http",
+ "httpdate",
+ "mime",
+ "sha1",
+]
+
+[[package]]
+name = "headers-core"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7f66481bfee273957b1f20485a4ff3362987f85b2c236580d81b4eb7a326429"
+dependencies = [
+ "http",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -554,6 +640,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.4"
@@ -572,6 +669,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tokio",
+ "tokio-util",
  "tracing",
  "tracing-subscriber",
 ]
@@ -664,6 +762,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tokio-util"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bb2e075f03b3d66d8d8785356224ba688d2906a371015e225beeb65ca92c740"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tower"
 version = "0.4.13"
@@ -780,6 +891,12 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
+[[package]]
+name = "typenum"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.5"

Cargo.toml

@@ -6,10 +6,11 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-axum = { version = "0.5.17", features = ["multipart"]}
+axum = { version = "0.5.17", features = ["headers", "multipart"]}
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0.68"
 tokio = { version = "1.0", features = ["full"] }
+tokio-util = { version = "0.7", features = ["io"]}
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 rand = "0.8"

src/main.rs

@@ -7,7 +7,7 @@ use axum::{
 };
 use std::net::SocketAddr;
 
-use crate::vistas::{root::basic, upload::upload};
+use crate::vistas::{root::basic, upload::upload, download::get_file};
 
 #[tokio::main]
 async fn main() {
@@ -18,7 +18,8 @@ async fn main() {
     let app = Router::new()
         // `GET /` goes to `root`
         .route("/", get(basic))
-        .route("/u", post(upload));
+        .route("/u", post(upload))
+        .route("/f/:hash", get(get_file));
 
     // run our app with hyper
     // `axum::Server` is a re-export of `hyper::Server`

src/vistas/download.rs

@@ -0,0 +1,35 @@
+use axum::{
+    body::StreamBody,
+    http::{header, StatusCode},
+    // http::StatusCode,
+    // http::{StatusCode, header::{self, HeaderMap, HeaderName}},
+    response::IntoResponse,
+};
+// use http::{header, StatusCode};
+use tokio_util::io::ReaderStream;
+
+pub async fn get_file(
+    axum::extract::Path(_hash): axum::extract::Path<String>
+) -> impl IntoResponse {
+    // hash.into_response()
+    
+    // `File` implements `AsyncRead`
+    let file = match tokio::fs::File::open("Cargo.toml").await {
+        Ok(file) => file,
+        Err(err) => return Err((StatusCode::NOT_FOUND, format!("File not found: {}", err))),
+    };
+    // convert the `AsyncRead` into a `Stream`
+    let stream = ReaderStream::new(file);
+    // convert the `Stream` into an `axum::body::HttpBody`
+    let body = StreamBody::new(stream);
+
+    let headers = [
+        (header::CONTENT_TYPE, "text/toml; charset=utf-8"),
+        (
+            header::CONTENT_DISPOSITION,
+            "attachment; filename=\"Cargo.toml\"",
+        ),
+    ];
+
+    Ok((headers, body))
+}

src/vistas/mod.rs

@@ -1,2 +1,3 @@
 pub mod root;
 pub mod upload;
+pub mod download;