Merge pull request #755 from hydralauncher/feature/aria2-for-http-downloads

Feature/aria2 for http downloads

.gitignore

@@ -1,6 +1,8 @@
 .vscode
 node_modules
 hydra-download-manager/
+aria2/
+fastlist.exe
 __pycache__
 dist
 out

electron-builder.yml

@@ -3,6 +3,7 @@ productName: Hydra
 directories:
   buildResources: build
 extraResources:
+  - aria2
   - hydra-download-manager
   - seeds
   - from: node_modules/create-desktop-shortcuts/src/windows.vbs

package.json

@@ -23,7 +23,7 @@
     "start": "electron-vite preview",
     "dev": "electron-vite dev",
     "build": "npm run typecheck && electron-vite build",
-    "postinstall": "electron-builder install-app-deps",
+    "postinstall": "electron-builder install-app-deps && node ./postinstall.cjs",
     "build:unpack": "npm run build && electron-builder --dir",
     "build:win": "electron-vite build && electron-builder --win",
     "build:mac": "electron-vite build && electron-builder --mac",
@@ -41,6 +41,7 @@
     "@sentry/electron": "^5.1.0",
     "@vanilla-extract/css": "^1.14.2",
     "@vanilla-extract/recipes": "^0.5.2",
+    "aria2": "^4.1.2",
     "auto-launch": "^5.0.6",
     "axios": "^1.6.8",
     "better-sqlite3": "^9.5.0",

postinstall.cjs

@@ -0,0 +1,50 @@
+const { default: axios } = require("axios");
+const util = require("node:util");
+const fs = require("node:fs");
+
+const exec = util.promisify(require("node:child_process").exec);
+
+const downloadAria2 = async () => {
+  if (fs.existsSync("aria2")) {
+    console.log("Aria2 already exists, skipping download...");
+    return;
+  }
+
+  const file =
+    process.platform === "win32"
+      ? "aria2-1.37.0-win-64bit-build1.zip"
+      : "aria2-1.37.0-1-x86_64.pkg.tar.zst";
+
+  const downloadUrl =
+    process.platform === "win32"
+      ? `https://github.com/aria2/aria2/releases/download/release-1.37.0/${file}`
+      : "https://archlinux.org/packages/extra/x86_64/aria2/download/";
+
+  console.log(`Downloading ${file}...`);
+
+  const response = await axios.get(downloadUrl, { responseType: "stream" });
+
+  const stream = response.data.pipe(fs.createWriteStream(file));
+
+  stream.on("finish", async () => {
+    console.log(`Downloaded ${file}, extracting...`);
+
+    if (process.platform === "win32") {
+      await exec(`npx extract-zip ${file}`);
+      console.log("Extracted. Renaming folder...");
+
+      fs.renameSync(file.replace(".zip", ""), "aria2");
+    } else {
+      await exec(`tar --zstd -xvf ${file} usr/bin/aria2c`);
+      console.log("Extracted. Copying binary file...");
+      fs.mkdirSync("aria2");
+      fs.copyFileSync("usr/bin/aria2c", "aria2/aria2c");
+      fs.rmSync("usr", { recursive: true });
+    }
+
+    console.log(`Extracted ${file}, removing compressed downloaded file...`);
+    fs.rmSync(file);
+  });
+};
+
+downloadAria2();

src/main/declaration.d.ts

@@ -0,0 +1,80 @@
+declare module "aria2" {
+  export type Aria2Status =
+    | "active"
+    | "waiting"
+    | "paused"
+    | "error"
+    | "complete"
+    | "removed";
+
+  export interface StatusResponse {
+    gid: string;
+    status: Aria2Status;
+    totalLength: string;
+    completedLength: string;
+    uploadLength: string;
+    bitfield: string;
+    downloadSpeed: string;
+    uploadSpeed: string;
+    infoHash?: string;
+    numSeeders?: string;
+    seeder?: boolean;
+    pieceLength: string;
+    numPieces: string;
+    connections: string;
+    errorCode?: string;
+    errorMessage?: string;
+    followedBy?: string[];
+    following: string;
+    belongsTo: string;
+    dir: string;
+    files: {
+      path: string;
+      length: string;
+      completedLength: string;
+      selected: string;
+    }[];
+    bittorrent?: {
+      announceList: string[][];
+      comment: string;
+      creationDate: string;
+      mode: "single" | "multi";
+      info: {
+        name: string;
+        verifiedLength: string;
+        verifyIntegrityPending: string;
+      };
+    };
+  }
+
+  export default class Aria2 {
+    constructor(options: any);
+    open: () => Promise<void>;
+    call(
+      method: "addUri",
+      uris: string[],
+      options: { dir: string }
+    ): Promise<string>;
+    call(
+      method: "tellStatus",
+      gid: string,
+      keys?: string[]
+    ): Promise<StatusResponse>;
+    call(method: "pause", gid: string): Promise<string>;
+    call(method: "forcePause", gid: string): Promise<string>;
+    call(method: "unpause", gid: string): Promise<string>;
+    call(method: "remove", gid: string): Promise<string>;
+    call(method: "forceRemove", gid: string): Promise<string>;
+    call(method: "pauseAll"): Promise<string>;
+    call(method: "forcePauseAll"): Promise<string>;
+    listNotifications: () => [
+      "onDownloadStart",
+      "onDownloadPause",
+      "onDownloadStop",
+      "onDownloadComplete",
+      "onDownloadError",
+      "onBtDownloadComplete",
+    ];
+    on: (event: string, callback: (params: any) => void) => void;
+  }
+}

src/main/services/aria2c.ts

@@ -0,0 +1,20 @@
+import path from "node:path";
+import { spawn } from "node:child_process";
+import { app } from "electron";
+
+export const startAria2 = () => {
+  const binaryPath = app.isPackaged
+    ? path.join(process.resourcesPath, "aria2", "aria2c")
+    : path.join(__dirname, "..", "..", "aria2", "aria2c");
+
+  return spawn(
+    binaryPath,
+    [
+      "--enable-rpc",
+      "--rpc-listen-all",
+      "--file-allocation=none",
+      "--allow-overwrite=true",
+    ],
+    { stdio: "inherit", windowsHide: true }
+  );
+};

src/main/services/download/download-manager.ts

@@ -63,7 +63,7 @@ export class DownloadManager {
 
   static async pauseDownload() {
     if (this.currentDownloader === Downloader.RealDebrid) {
-      RealDebridDownloader.pauseDownload();
+      await RealDebridDownloader.pauseDownload();
     } else {
       await PythonInstance.pauseDownload();
     }
@@ -84,7 +84,7 @@ export class DownloadManager {
 
   static async cancelDownload(gameId: number) {
     if (this.currentDownloader === Downloader.RealDebrid) {
-      RealDebridDownloader.cancelDownload();
+      RealDebridDownloader.cancelDownload(gameId);
     } else {
       PythonInstance.cancelDownload(gameId);
     }

src/main/services/download/http-download.ts

@@ -1,123 +1,68 @@
-import path from "node:path";
-import fs from "node:fs";
-import crypto from "node:crypto";
-
-import axios, { type AxiosProgressEvent } from "axios";
-import { app } from "electron";
+import type { ChildProcess } from "node:child_process";
 import { logger } from "../logger";
+import { sleep } from "@main/helpers";
+import { startAria2 } from "../aria2c";
+import Aria2 from "aria2";
 
 export class HttpDownload {
-  private abortController: AbortController;
-  public lastProgressEvent: AxiosProgressEvent;
-  private trackerFilePath: string;
+  private static connected = false;
+  private static aria2c: ChildProcess | null = null;
 
-  private trackerProgressEvent: AxiosProgressEvent | null = null;
-  private downloadPath: string;
+  private static aria2 = new Aria2({});
 
-  private downloadTrackersPath = path.join(
-    app.getPath("documents"),
-    "Hydra",
-    "Downloads"
-  );
+  private static async connect() {
+    this.aria2c = startAria2();
 
-  constructor(
-    private url: string,
-    private savePath: string
-  ) {
-    this.abortController = new AbortController();
+    let retries = 0;
 
-    const sha256Hasher = crypto.createHash("sha256");
-    const hash = sha256Hasher.update(url).digest("hex");
+    while (retries < 4 && !this.connected) {
+      try {
+        await this.aria2.open();
+        logger.log("Connected to aria2");
 
-    this.trackerFilePath = path.join(
-      this.downloadTrackersPath,
-      `${hash}.hydradownload`
-    );
-
-    const filename = path.win32.basename(this.url);
-    this.downloadPath = path.join(this.savePath, filename);
-  }
-
-  private updateTrackerFile() {
-    if (!fs.existsSync(this.downloadTrackersPath)) {
-      fs.mkdirSync(this.downloadTrackersPath, {
-        recursive: true,
-      });
-    }
-
-    fs.writeFileSync(
-      this.trackerFilePath,
-      JSON.stringify(this.lastProgressEvent),
-      { encoding: "utf-8" }
-    );
-  }
-
-  private removeTrackerFile() {
-    if (fs.existsSync(this.trackerFilePath)) {
-      fs.rm(this.trackerFilePath, (err) => {
-        logger.error(err);
-      });
+        this.connected = true;
+      } catch (err) {
+        await sleep(100);
+        logger.log("Failed to connect to aria2, retrying...");
+        retries++;
+      }
     }
   }
 
-  public async startDownload() {
-    // Check if there's already a tracker file and download file
-    if (
-      fs.existsSync(this.trackerFilePath) &&
-      fs.existsSync(this.downloadPath)
-    ) {
-      this.trackerProgressEvent = JSON.parse(
-        fs.readFileSync(this.trackerFilePath, { encoding: "utf-8" })
-      );
+  public static getStatus(gid: string) {
+    if (this.connected) {
+      return this.aria2.call("tellStatus", gid);
     }
 
-    const response = await axios.get(this.url, {
-      responseType: "stream",
-      signal: this.abortController.signal,
-      headers: {
-        Range: `bytes=${this.trackerProgressEvent?.loaded ?? 0}-`,
-      },
-      onDownloadProgress: (progressEvent) => {
-        const total =
-          this.trackerProgressEvent?.total ?? progressEvent.total ?? 0;
-        const loaded =
-          (this.trackerProgressEvent?.loaded ?? 0) + progressEvent.loaded;
-
-        const progress = loaded / total;
-
-        this.lastProgressEvent = {
-          ...progressEvent,
-          total,
-          progress,
-          loaded,
-        };
-        this.updateTrackerFile();
-
-        if (progressEvent.progress === 1) {
-          this.removeTrackerFile();
-        }
-      },
-    });
-
-    response.data.pipe(
-      fs.createWriteStream(this.downloadPath, {
-        flags: "a",
-      })
-    );
+    return null;
   }
 
-  public async pauseDownload() {
-    this.abortController.abort();
+  public static disconnect() {
+    if (this.aria2c) {
+      this.aria2c.kill();
+      this.connected = false;
+    }
   }
 
-  public cancelDownload() {
-    this.pauseDownload();
+  static async cancelDownload(gid: string) {
+    await this.aria2.call("forceRemove", gid);
+  }
 
-    fs.rm(this.downloadPath, (err) => {
-      if (err) logger.error(err);
-    });
-    fs.rm(this.trackerFilePath, (err) => {
-      if (err) logger.error(err);
-    });
+  static async pauseDownload(gid: string) {
+    await this.aria2.call("forcePause", gid);
+  }
+
+  static async resumeDownload(gid: string) {
+    await this.aria2.call("unpause", gid);
+  }
+
+  static async startDownload(downloadPath: string, downloadUrl: string) {
+    if (!this.connected) await this.connect();
+
+    const options = {
+      dir: downloadPath,
+    };
+
+    return this.aria2.call("addUri", [downloadUrl], options);
   }
 }

src/main/services/download/real-debrid-downloader.ts

@@ -6,10 +6,10 @@ import { DownloadProgress } from "@types";
 import { HttpDownload } from "./http-download";
 
 export class RealDebridDownloader {
+  private static downloads = new Map<number, string>();
   private static downloadingGame: Game | null = null;
 
   private static realDebridTorrentId: string | null = null;
-  private static httpDownload: HttpDownload | null = null;
 
   private static async getRealDebridDownloadUrl() {
     if (this.realDebridTorrentId) {
@@ -35,39 +35,47 @@ export class RealDebridDownloader {
   }
 
   public static async getStatus() {
-    const lastProgressEvent = this.httpDownload?.lastProgressEvent;
+    if (this.downloadingGame) {
+      const gid = this.downloads.get(this.downloadingGame.id)!;
+      const status = await HttpDownload.getStatus(gid);
 
-    if (lastProgressEvent) {
-      await gameRepository.update(
-        { id: this.downloadingGame!.id },
-        {
-          bytesDownloaded: lastProgressEvent.loaded,
-          fileSize: lastProgressEvent.total,
-          progress: lastProgressEvent.progress,
-          status: "active",
+      if (status) {
+        const progress =
+          Number(status.completedLength) / Number(status.totalLength);
+
+        await gameRepository.update(
+          { id: this.downloadingGame!.id },
+          {
+            bytesDownloaded: Number(status.completedLength),
+            fileSize: Number(status.totalLength),
+            progress,
+            status: "active",
+          }
+        );
+
+        const result = {
+          numPeers: 0,
+          numSeeds: 0,
+          downloadSpeed: Number(status.downloadSpeed),
+          timeRemaining: calculateETA(
+            Number(status.totalLength),
+            Number(status.completedLength),
+            Number(status.downloadSpeed)
+          ),
+          isDownloadingMetadata: false,
+          isCheckingFiles: false,
+          progress,
+          gameId: this.downloadingGame!.id,
+        } as DownloadProgress;
+
+        if (progress === 1) {
+          this.downloads.delete(this.downloadingGame.id);
+          this.realDebridTorrentId = null;
+          this.downloadingGame = null;
         }
-      );
 
-      const progress = {
-        numPeers: 0,
-        numSeeds: 0,
-        downloadSpeed: lastProgressEvent.rate,
-        timeRemaining: calculateETA(
-          lastProgressEvent.total ?? 0,
-          lastProgressEvent.loaded,
-          lastProgressEvent.rate ?? 0
-        ),
-        isDownloadingMetadata: false,
-        isCheckingFiles: false,
-        progress: lastProgressEvent.progress,
-        gameId: this.downloadingGame!.id,
-      } as DownloadProgress;
-
-      if (lastProgressEvent.progress === 1) {
-        this.pauseDownload();
+        return result;
       }
-
-      return progress;
     }
 
     if (this.realDebridTorrentId && this.downloadingGame) {
@@ -101,25 +109,54 @@ export class RealDebridDownloader {
   }
 
   static async pauseDownload() {
-    this.httpDownload?.pauseDownload();
+    const gid = this.downloads.get(this.downloadingGame!.id!);
+    if (gid) {
+      await HttpDownload.pauseDownload(gid);
+    }
+
     this.realDebridTorrentId = null;
     this.downloadingGame = null;
   }
 
   static async startDownload(game: Game) {
-    this.realDebridTorrentId = await RealDebridClient.getTorrentId(game!.uri!);
     this.downloadingGame = game;
 
+    if (this.downloads.has(game.id)) {
+      await this.resumeDownload(game.id!);
+
+      return;
+    }
+
+    this.realDebridTorrentId = await RealDebridClient.getTorrentId(game!.uri!);
+
     const downloadUrl = await this.getRealDebridDownloadUrl();
 
     if (downloadUrl) {
       this.realDebridTorrentId = null;
-      this.httpDownload = new HttpDownload(downloadUrl, game!.downloadPath!);
-      this.httpDownload.startDownload();
+
+      const gid = await HttpDownload.startDownload(
+        game.downloadPath!,
+        downloadUrl
+      );
+
+      this.downloads.set(game.id!, gid);
     }
   }
 
-  static cancelDownload() {
-    return this.httpDownload?.cancelDownload();
+  static async cancelDownload(gameId: number) {
+    const gid = this.downloads.get(gameId);
+
+    if (gid) {
+      await HttpDownload.cancelDownload(gid);
+      this.downloads.delete(gameId);
+    }
+  }
+
+  static async resumeDownload(gameId: number) {
+    const gid = this.downloads.get(gameId);
+
+    if (gid) {
+      await HttpDownload.resumeDownload(gid);
+    }
   }
 }

yarn.lock

@@ -2665,6 +2665,14 @@ aria-query@^5.3.0:
   dependencies:
     dequal "^2.0.3"
 
+aria2@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/aria2/-/aria2-4.1.2.tgz#0ecbc50beea82856c88b4de71dac336154f67362"
+  integrity sha512-qTBr2RY8RZQmiUmbj2KXFvkErNxU4aTHZszszzwhE8svy2PEVX+IYR/c4Rp9Tuw4QkeU8cylGy6McV6Yl8i7Qw==
+  dependencies:
+    node-fetch "^2.6.1"
+    ws "^7.4.0"
+
 array-buffer-byte-length@^1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.org/array-buffer-byte-length/-/array-buffer-byte-length-1.0.1.tgz"
@@ -5813,7 +5821,7 @@ node-domexception@^1.0.0:
   resolved "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz"
   integrity sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==
 
-node-fetch@^2.6.7:
+node-fetch@^2.6.1, node-fetch@^2.6.7:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.7.0.tgz#d0f0fa6e3e2dc1d27efcd8ad99d550bda94d187d"
   integrity sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==
@@ -7609,6 +7617,11 @@ wrappy@1:
   resolved "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz"
   integrity sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==
 
+ws@^7.4.0:
+  version "7.5.10"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.10.tgz#58b5c20dc281633f6c19113f39b349bd8bd558d9"
+  integrity sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==
+
 ws@^8.16.0:
   version "8.17.0"
   resolved "https://registry.npmjs.org/ws/-/ws-8.17.0.tgz"