Can download ISO file by URL

virtweb_backend/Cargo.lock

@@ -863,6 +863,12 @@ version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
 
+[[package]]
+name = "futures-io"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964"
+
 [[package]]
 name = "futures-macro"
 version = "0.3.28"
@@ -893,8 +899,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
 dependencies = [
  "futures-core",
+ "futures-io",
  "futures-macro",
+ "futures-sink",
  "futures-task",
+ "memchr",
  "pin-project-lite",
  "pin-utils",
  "slab",
@@ -1528,10 +1537,12 @@ dependencies = [
  "serde_urlencoded",
  "tokio",
  "tokio-native-tls",
+ "tokio-util",
  "tower-service",
  "url",
  "wasm-bindgen",
  "wasm-bindgen-futures",
+ "wasm-streams",
  "web-sys",
  "winreg",
 ]
@@ -2000,9 +2011,11 @@ dependencies = [
  "lazy_static",
  "light-openid",
  "log",
+ "reqwest",
  "serde",
  "serde_json",
  "tempfile",
+ "url",
 ]
 
 [[package]]
@@ -2086,6 +2099,19 @@ version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
 
+[[package]]
+name = "wasm-streams"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4609d447824375f43e1ffbc051b50ad8f4b3ae8219680c94452ea05eb240ac7"
+dependencies = [
+ "futures-util",
+ "js-sys",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.64"

virtweb_backend/Cargo.toml

@@ -22,3 +22,5 @@ futures-util = "0.3.28"
 anyhow = "1.0.75"
 actix-multipart = "0.6.1"
 tempfile = "3.8.0"
+reqwest = { version = "0.11.18", features = ["stream"] }
+url = "2.4.0"

virtweb_backend/src/constants.rs

@@ -17,7 +17,11 @@ pub const ROUTES_WITHOUT_AUTH: [&str; 5] = [
 ];
 
 /// Allowed ISO mimetypes
-pub const ALLOWED_ISO_MIME_TYPES: [&str; 1] = ["application/x-cd-image"];
+pub const ALLOWED_ISO_MIME_TYPES: [&str; 3] = [
+    "application/x-cd-image",
+    "application/x-iso9660-image",
+    "application/octet-stream",
+];
 
 /// ISO max size
 pub const ISO_MAX_SIZE: usize = 10 * 1000 * 1000 * 1000;

virtweb_backend/src/controllers/iso_controller.rs

@@ -4,7 +4,10 @@ use crate::controllers::HttpResult;
 use crate::utils::files_utils;
 use actix_multipart::form::tempfile::TempFile;
 use actix_multipart::form::MultipartForm;
-use actix_web::HttpResponse;
+use actix_web::{web, HttpResponse};
+use futures_util::StreamExt;
+use std::fs::File;
+use std::io::Write;
 
 #[derive(Debug, MultipartForm)]
 pub struct UploadIsoForm {
@@ -58,3 +61,47 @@ pub async fn upload_file(MultipartForm(mut form): MultipartForm<UploadIsoForm>)
 
     Ok(HttpResponse::Accepted().finish())
 }
+
+#[derive(serde::Deserialize)]
+pub struct DownloadFromURLReq {
+    url: String,
+    filename: String,
+}
+
+/// Upload ISO file from URL
+pub async fn upload_from_url(req: web::Json<DownloadFromURLReq>) -> HttpResult {
+    if !files_utils::check_file_name(&req.filename) || !req.filename.ends_with(".iso") {
+        return Ok(HttpResponse::BadRequest().json("Invalid file name!"));
+    }
+
+    let dest_file = AppConfig::get().iso_storage_path().join(&req.filename);
+
+    if dest_file.exists() {
+        return Ok(HttpResponse::Conflict().json("A similar file already exists!"));
+    }
+
+    let response = reqwest::get(&req.url).await?;
+
+    if let Some(len) = response.content_length() {
+        if len > constants::ISO_MAX_SIZE as u64 {
+            return Ok(HttpResponse::BadRequest().json("File is too large!"));
+        }
+    }
+
+    if let Some(ct) = response.headers().get("content-type") {
+        if !constants::ALLOWED_ISO_MIME_TYPES.contains(&ct.to_str()?) {
+            return Ok(HttpResponse::BadRequest().json("Invalid file mimetype!"));
+        }
+    }
+
+    let mut stream = response.bytes_stream();
+
+    let mut file = File::create(dest_file)?;
+
+    while let Some(item) = stream.next().await {
+        let bytes = item?;
+        file.write_all(&bytes)?;
+    }
+
+    Ok(HttpResponse::Accepted().finish())
+}

virtweb_backend/src/controllers/mod.rs

@@ -65,4 +65,16 @@ impl From<tempfile::PersistError> for HttpErr {
     }
 }
 
+impl From<reqwest::Error> for HttpErr {
+    fn from(value: reqwest::Error) -> Self {
+        HttpErr { err: value.into() }
+    }
+}
+
+impl From<reqwest::header::ToStrError> for HttpErr {
+    fn from(value: reqwest::header::ToStrError) -> Self {
+        HttpErr { err: value.into() }
+    }
+}
+
 pub type HttpResult = Result<HttpResponse, HttpErr>;

virtweb_backend/src/main.rs

@@ -104,6 +104,10 @@ async fn main() -> std::io::Result<()> {
                 "/api/iso/upload",
                 web::post().to(iso_controller::upload_file),
             )
+            .route(
+                "/api/iso/upload_from_url",
+                web::post().to(iso_controller::upload_from_url),
+            )
     })
     .bind(&AppConfig::get().listen_address)?
     .run()

virtweb_backend/src/utils/mod.rs

@@ -1 +1,2 @@
 pub mod files_utils;
+pub mod url_utils;

virtweb_backend/src/utils/url_utils.rs

@@ -0,0 +1,58 @@
+use std::fmt::Display;
+use url::Url;
+
+/// Check out whether a URL is valid or not
+pub fn check_url(url: impl Display) -> bool {
+    match Url::parse(&url.to_string()) {
+        Ok(u) => {
+            if u.scheme() != "http" && u.scheme() != "https" {
+                log::debug!("URL is invalid, scheme is not http or https!");
+                return false;
+            }
+
+            if u.port_or_known_default() != Some(443) && u.port_or_known_default() != Some(80) {
+                log::debug!("URL is invalid, port is not 80 or 443!");
+                return false;
+            }
+
+            true
+        }
+        Err(e) => {
+            log::debug!("URL is invalid, could not be parsed! {e}");
+            false
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use crate::utils::url_utils::check_url;
+
+    #[test]
+    fn valid_url_ubuntu() {
+        assert!(check_url(
+            "https://releases.ubuntu.com/22.04.3/ubuntu-22.04.3-desktop-amd64.iso"
+        ));
+    }
+
+    #[test]
+    fn valid_url_with_port_ubuntu() {
+        assert!(check_url(
+            "https://releases.ubuntu.com:443/22.04.3/ubuntu-22.04.3-desktop-amd64.iso"
+        ));
+    }
+
+    #[test]
+    fn invalid_valid_url_ftp() {
+        assert!(!check_url(
+            "ftp://releases.ubuntu.com/22.04.3/ubuntu-22.04.3-desktop-amd64.iso"
+        ));
+    }
+
+    #[test]
+    fn invalid_valid_bad_port() {
+        assert!(!check_url(
+            "http://releases.ubuntu.com:81/22.04.3/ubuntu-22.04.3-desktop-amd64.iso"
+        ));
+    }
+}

virtweb_frontend/src/api/IsoFilesApi.ts

@@ -18,4 +18,15 @@ export class IsoFilesApi {
       progress: progress,
     });
   }
+
+  /**
+   * Upload iso from URL
+   */
+  static async UploadFromURL(url: string, filename: string): Promise<void> {
+    await APIClient.exec({
+      method: "POST",
+      uri: "/iso/upload_from_url",
+      jsonData: { url: url, filename: filename },
+    });
+  }
 }

virtweb_frontend/src/routes/IsoFilesRoute.tsx

@@ -1,4 +1,4 @@
-import { Button, LinearProgress, Typography } from "@mui/material";
+import { Button, LinearProgress, TextField, Typography } from "@mui/material";
 import { filesize } from "filesize";
 import { MuiFileInput } from "mui-file-input";
 import React from "react";
@@ -8,16 +8,20 @@ import { useAlert } from "../hooks/providers/AlertDialogProvider";
 import { useSnackbar } from "../hooks/providers/SnackbarProvider";
 import { VirtWebPaper } from "../widgets/VirtWebPaper";
 import { VirtWebRouteContainer } from "../widgets/VirtWebRouteContainer";
+import { useLoadingMessage } from "../hooks/providers/LoadingMessageProvider";
 
 export function IsoFilesRoute(): React.ReactElement {
   return (
     <VirtWebRouteContainer label="ISO files management">
-      <UploadIsoFileForm onFileUploaded={() => alert("file uploaded!")} />
+      <UploadIsoFileCard onFileUploaded={() => alert("file uploaded!")} />
+      <UploadIsoFileFromUrlCard
+        onFileUploaded={() => alert("file uploaded!")}
+      />
     </VirtWebRouteContainer>
   );
 }
 
-function UploadIsoFileForm(p: {
+function UploadIsoFileCard(p: {
   onFileUploaded: () => void;
 }): React.ReactElement {
   const alert = useAlert();
@@ -53,6 +57,8 @@ function UploadIsoFileForm(p: {
 
       setValue(null);
       snackbar("The file was successfully uploaded!");
+
+      p.onFileUploaded();
     } catch (e) {
       console.error(e);
       await alert("Failed to perform file upload! " + e);
@@ -75,7 +81,6 @@ function UploadIsoFileForm(p: {
   return (
     <VirtWebPaper label="File upload">
       <div style={{ display: "flex", alignItems: "center" }}>
-        <span style={{ width: "10px" }}></span>
         <MuiFileInput
           value={value}
           onChange={handleChange}
@@ -88,3 +93,55 @@ function UploadIsoFileForm(p: {
     </VirtWebPaper>
   );
 }
+
+function UploadIsoFileFromUrlCard(p: {
+  onFileUploaded: () => void;
+}): React.ReactElement {
+  const alert = useAlert();
+  const snackbar = useSnackbar();
+  const loadingMessage = useLoadingMessage();
+
+  const [url, setURL] = React.useState("");
+  const [filename, setFilename] = React.useState<null | string>(null);
+
+  const autoFileName = url.split("/").slice(-1)[0];
+  const actualFileName = filename ?? autoFileName;
+
+  const upload = async () => {
+    try {
+      loadingMessage.show("Downloading file from URL...");
+      await IsoFilesApi.UploadFromURL(url, actualFileName);
+
+      setURL("");
+      setFilename(null);
+      snackbar("Successfully downloaded file!");
+    } catch (e) {
+      console.error(e);
+      alert("Failed to download file!");
+    }
+    loadingMessage.hide();
+  };
+
+  return (
+    <VirtWebPaper label="File upload from URL">
+      <div style={{ display: "flex", alignItems: "center" }}>
+        <TextField
+          label="URL"
+          value={url}
+          style={{ flex: 3 }}
+          onChange={(e) => setURL(e.target.value)}
+        />
+        <span style={{ width: "10px" }}></span>
+        <TextField
+          label="Filename"
+          value={actualFileName}
+          style={{ flex: 2 }}
+          onChange={(e) => setFilename(e.target.value)}
+        />
+        {url !== "" && actualFileName !== "" && (
+          <Button onClick={upload}>Upload file</Button>
+        )}
+      </div>
+    </VirtWebPaper>
+  );
+}

virtweb_frontend/src/widgets/VirtWebPaper.tsx

@@ -5,7 +5,7 @@ export function VirtWebPaper(
   p: { label: string } & PropsWithChildren
 ): React.ReactElement {
   return (
-    <Paper elevation={2} style={{ padding: "10px" }}>
+    <Paper elevation={2} style={{ padding: "10px", margin: "20px" }}>
       <Typography
         variant="subtitle1"
         style={{ marginBottom: "10px", fontWeight: "bold" }}