Can download ISO files

virtweb_backend/Cargo.lock

@@ -34,6 +34,29 @@ dependencies = [
  "smallvec",
 ]
 
+[[package]]
+name = "actix-files"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d832782fac6ca7369a70c9ee9a20554623c5e51c76e190ad151780ebea1cf689"
+dependencies = [
+ "actix-http",
+ "actix-service",
+ "actix-utils",
+ "actix-web",
+ "askama_escape",
+ "bitflags 1.3.2",
+ "bytes",
+ "derive_more",
+ "futures-core",
+ "http-range",
+ "log",
+ "mime",
+ "mime_guess",
+ "percent-encoding",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "actix-http"
 version = "3.4.0"
@@ -418,6 +441,12 @@ version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
+[[package]]
+name = "askama_escape"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "619743e34b5ba4e9703bba34deac3427c72507c7159f5fd030aea8cac0cfe341"
+
 [[package]]
 name = "async-trait"
 version = "0.1.73"
@@ -1023,6 +1052,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "http-range"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21dec9db110f5f872ed9699c3ecf50cf16f423502706ba5c72462e28d3157573"
+
 [[package]]
 name = "httparse"
 version = "1.8.0"
@@ -1241,6 +1276,16 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4192263c238a5f0d0c6bfd21f336a313a4ce1c450542449ca191bb657b4642ef"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.7.1"
@@ -1922,6 +1967,15 @@ version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
 
+[[package]]
+name = "unicase"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7d2d4dafb69621809a81864c9c1b864479e1235c0dd4e199924b9742439ed89"
+dependencies = [
+ "version_check",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.13"
@@ -1999,6 +2053,7 @@ name = "virtweb_backend"
 version = "0.1.0"
 dependencies = [
  "actix-cors",
+ "actix-files",
  "actix-identity",
  "actix-multipart",
  "actix-remote-ip",

virtweb_backend/Cargo.toml

@@ -16,6 +16,7 @@ actix-remote-ip = "0.1.0"
 actix-session = { version = "0.7.2", features = ["cookie-session"] }
 actix-identity = "0.5.2"
 actix-cors = "0.6.4"
+actix-files = "0.6.2"
 serde = { version = "1.0.175", features = ["derive"] }
 serde_json = "1.0.105"
 futures-util = "0.3.28"

virtweb_backend/src/controllers/iso_controller.rs

@@ -2,9 +2,10 @@ use crate::app_config::AppConfig;
 use crate::constants;
 use crate::controllers::HttpResult;
 use crate::utils::files_utils;
+use actix_files::NamedFile;
 use actix_multipart::form::tempfile::TempFile;
 use actix_multipart::form::MultipartForm;
-use actix_web::{web, HttpResponse};
+use actix_web::{web, HttpRequest, HttpResponse};
 use futures_util::StreamExt;
 use std::fs::File;
 use std::io::Write;
@@ -128,12 +129,27 @@ pub async fn get_list() -> HttpResult {
 }
 
 #[derive(serde::Deserialize)]
-pub struct DeleteFilePath {
+pub struct DownloadFilePath {
     filename: String,
 }
 
+/// Download ISO file
+pub async fn download_file(p: web::Path<DownloadFilePath>, req: HttpRequest) -> HttpResult {
+    if !files_utils::check_file_name(&p.filename) {
+        return Ok(HttpResponse::BadRequest().json("Invalid file name!"));
+    }
+
+    let file_path = AppConfig::get().iso_storage_path().join(&p.filename);
+
+    if !file_path.exists() {
+        return Ok(HttpResponse::NotFound().json("File does not exists!"));
+    }
+
+    Ok(NamedFile::open(file_path)?.into_response(&req))
+}
+
 /// Delete ISO file
-pub async fn delete_file(p: web::Path<DeleteFilePath>) -> HttpResult {
+pub async fn delete_file(p: web::Path<DownloadFilePath>) -> HttpResult {
     if !files_utils::check_file_name(&p.filename) {
         return Ok(HttpResponse::BadRequest().json("Invalid file name!"));
     }

virtweb_backend/src/main.rs

@@ -109,6 +109,10 @@ async fn main() -> std::io::Result<()> {
                 web::post().to(iso_controller::upload_from_url),
             )
             .route("/api/iso/list", web::get().to(iso_controller::get_list))
+            .route(
+                "/api/iso/{filename}",
+                web::get().to(iso_controller::download_file),
+            )
             .route(
                 "/api/iso/{filename}",
                 web::delete().to(iso_controller::delete_file),

virtweb_frontend/src/api/ApiClient.ts

@@ -6,7 +6,8 @@ interface RequestParams {
   allowFail?: boolean;
   jsonData?: any;
   formData?: FormData;
-  progress?: (progress: number) => void;
+  upProgress?: (progress: number) => void;
+  downProgress?: (e: { progress: number; total: number }) => void;
 }
 
 interface APIResponse {
@@ -62,11 +63,11 @@ export class APIClient {
     let status: number;
 
     // Make the request with XMLHttpRequest
-    if (args.progress) {
+    if (args.upProgress) {
       const res: XMLHttpRequest = await new Promise((resolve, reject) => {
         const xhr = new XMLHttpRequest();
         xhr.upload.addEventListener("progress", (e) =>
-          args.progress!(e.loaded / e.total)
+          args.upProgress!(e.loaded / e.total)
         );
         xhr.addEventListener("load", () => resolve(xhr));
         xhr.addEventListener("error", () =>
@@ -104,6 +105,48 @@ export class APIClient {
       // Process response
       if (res.headers.get("content-type") === "application/json")
         data = await res.json();
+      // Binary file
+      else if (res.body !== null && args.downProgress) {
+        // Track download progress
+        const contentEncoding = res.headers.get("content-encoding");
+        const contentLength = contentEncoding
+          ? null
+          : res.headers.get("content-length");
+
+        const total = parseInt(contentLength ?? "0", 10);
+        let loaded = 0;
+
+        const resInt = new Response(
+          new ReadableStream({
+            start(controller) {
+              const reader = res.body!.getReader();
+
+              const read = async () => {
+                try {
+                  const ret = await reader.read();
+                  if (ret.done) {
+                    controller.close();
+                    return;
+                  }
+                  loaded += ret.value.byteLength;
+                  args.downProgress!({ progress: loaded, total });
+                  controller.enqueue(ret.value);
+                  read();
+                } catch (e) {
+                  console.error(e);
+                  controller.error(e);
+                }
+              };
+
+              read();
+            },
+          })
+        );
+
+        data = await resInt.blob();
+      }
+
+      // Do not track progress
       else data = await res.blob();
 
       status = res.status;

virtweb_frontend/src/api/IsoFilesApi.ts

@@ -20,7 +20,7 @@ export class IsoFilesApi {
       method: "POST",
       uri: "/iso/upload",
       formData: fd,
-      progress: progress,
+      upProgress: progress,
     });
   }
 
@@ -47,6 +47,24 @@ export class IsoFilesApi {
     ).data;
   }
 
+  /**
+   * Download an ISO file
+   */
+  static async Download(
+    file: IsoFile,
+    progress: (p: number) => void
+  ): Promise<Blob> {
+    return (
+      await APIClient.exec({
+        method: "GET",
+        uri: `/iso/${file.filename}`,
+        downProgress(e) {
+          progress(Math.floor(100 * (e.progress / e.total)));
+        },
+      })
+    ).data;
+  }
+
   /**
    * Delete iso file
    */

virtweb_frontend/src/routes/IsoFilesRoute.tsx

@@ -1,11 +1,15 @@
 import DeleteIcon from "@mui/icons-material/Delete";
 import {
+  Alert,
   Button,
+  CircularProgress,
   IconButton,
   LinearProgress,
   TextField,
+  Tooltip,
   Typography,
 } from "@mui/material";
+import DownloadIcon from "@mui/icons-material/Download";
 import { DataGrid, GridColDef } from "@mui/x-data-grid";
 import { filesize } from "filesize";
 import { MuiFileInput } from "mui-file-input";
@@ -19,6 +23,7 @@ import { AsyncWidget } from "../widgets/AsyncWidget";
 import { VirtWebPaper } from "../widgets/VirtWebPaper";
 import { VirtWebRouteContainer } from "../widgets/VirtWebRouteContainer";
 import { useConfirm } from "../hooks/providers/ConfirmDialogProvider";
+import { downloadBlob } from "../utils/FilesUtils";
 
 export function IsoFilesRoute(): React.ReactElement {
   const [list, setList] = React.useState<IsoFile[] | undefined>();
@@ -185,6 +190,23 @@ function IsoFilesList(p: {
   const loadingMessage = useLoadingMessage();
   const snackbar = useSnackbar();
 
+  const [dlProgress, setDlProgress] = React.useState<undefined | number>();
+
+  const downloadIso = async (entry: IsoFile) => {
+    setDlProgress(0);
+
+    try {
+      const blob = await IsoFilesApi.Download(entry, setDlProgress);
+
+      await downloadBlob(blob, entry.filename);
+    } catch (e) {
+      console.error(e);
+      alert("Failed to download iso file!");
+    }
+
+    setDlProgress(undefined);
+  };
+
   const deleteIso = async (entry: IsoFile) => {
     if (
       !(await confirm(
@@ -227,13 +249,20 @@ function IsoFilesList(p: {
     {
       field: "actions",
       headerName: "",
-      width: 70,
+      width: 120,
       renderCell(params) {
         return (
           <>
+            <Tooltip title="Download file">
+              <IconButton onClick={() => downloadIso(params.row)}>
+                <DownloadIcon />
+              </IconButton>
+            </Tooltip>
+            <Tooltip title="Delete file">
               <IconButton onClick={() => deleteIso(params.row)}>
                 <DeleteIcon />
               </IconButton>
+            </Tooltip>
           </>
         );
       },
@@ -241,7 +270,33 @@ function IsoFilesList(p: {
   ];
 
   return (
+    <>
       <VirtWebPaper label="Files list">
+        {/* Download notification */}
+        {dlProgress !== undefined && (
+          <Alert severity="info">
+            <div
+              style={{
+                display: "flex",
+                flexDirection: "row",
+                alignItems: "center",
+                overflow: "hidden",
+              }}
+            >
+              <Typography variant="body1">
+                Downloading... {dlProgress}%
+              </Typography>
+              <CircularProgress
+                variant="determinate"
+                size={"1.5rem"}
+                style={{ marginLeft: "10px" }}
+                value={dlProgress}
+              />
+            </div>
+          </Alert>
+        )}
+
+        {/* Files list table */}
         <DataGrid
           getRowId={(c) => c.filename}
           rows={p.list}
@@ -249,5 +304,6 @@ function IsoFilesList(p: {
           autoHeight={true}
         />
       </VirtWebPaper>
+    </>
   );
 }

virtweb_frontend/src/utils/FilesUtils.ts

@@ -0,0 +1,10 @@
+export async function downloadBlob(blob: Blob, filename: string) {
+  const url = URL.createObjectURL(blob);
+
+  const link = document.createElement("a");
+  link.href = url;
+  link.target = "_blank";
+  link.rel = "noopener";
+  link.download = filename;
+  link.click();
+}