Use OPFS for file downloading

.gitignore

@@ -3,6 +3,7 @@
 pkg/
 /client/certs
 /client/coverage
+/client/test-report.xml
 /client-e2e/test/files/sizes/
 dist/
 node_modules/

client-e2e/scripts/generate-CI-test-files.sh

@@ -3,5 +3,5 @@ if [ ! -d "./test/files/sizes" ]; then
   mkdir ./test/files/sizes
 fi
 cd ./test/files/sizes
-dd if=/dev/zero of=5MB bs=5000000 count=1
-dd if=/dev/zero of=20MB bs=20000000 count=1
+dd if=/dev/zero of=5MB.bin bs=5000000 count=1
+dd if=/dev/zero of=20MB.bin bs=20000000 count=1

client-e2e/scripts/generate-sized-test-files.sh

@@ -2,9 +2,9 @@
 if [ ! -d "/usr/src/app/test/files/sizes" ]; then
   mkdir /usr/src/app/test/files/sizes
   cd /usr/src/app/test/files/sizes
-  dd if=/dev/zero of=5MB bs=5000000 count=1
-  dd if=/dev/zero of=20MB bs=20000000 count=1
-  dd if=/dev/zero of=300MB bs=300000000 count=1
-  dd if=/dev/zero of=4.2GB bs=1000000 count=4200
-  dd if=/dev/zero of=4.3GB bs=1000000 count=4300
+  dd if=/dev/zero of=5MB.bin bs=5000000 count=1
+  dd if=/dev/zero of=20MB.bin bs=20000000 count=1
+  dd if=/dev/zero of=300MB.bin bs=300000000 count=1
+  dd if=/dev/zero of=4.2GB.bin bs=1000000 count=4200
+  dd if=/dev/zero of=4.3GB.bin bs=1000000 count=4300
 fi

client-e2e/test/specs/cancellation.ts

@@ -8,7 +8,7 @@ describe("Cancellation", () => {
 
       await browser.getWindowHandle();
 
-      await Page.uploadFiles("./test/files/sizes/20MB");
+      await Page.uploadFiles("./test/files/sizes/20MB.bin");
       const codeUrl = await Page.getCodeUrl();
 
       await (await Page.cancelButton()).click();
@@ -27,7 +27,7 @@ describe("Cancellation", () => {
       it("Sends the Sender back and show cancellation message, no message for Receiver", async function () {
         await Page.open();
         const sendWindow = await browser.getWindowHandle();
-        await Page.uploadFiles("./test/files/sizes/20MB");
+        await Page.uploadFiles("./test/files/sizes/20MB.bin");
 
         const codeUrl = await Page.getCodeUrl();
         const _receiveWindow = await browser.newWindow(codeUrl);
@@ -50,7 +50,7 @@ describe("Cancellation", () => {
       it("Sends the Receiver and Sender back. The Sender gets an error message", async function () {
         await Page.open();
         const sendWindow = await browser.getWindowHandle();
-        await Page.uploadFiles("./test/files/sizes/20MB");
+        await Page.uploadFiles("./test/files/sizes/20MB.bin");
 
         const codeUrl = await Page.getCodeUrl();
         const _receiveWindow = await browser.newWindow(codeUrl);
@@ -78,7 +78,7 @@ describe("Cancellation", () => {
       it("(after 5 sec.) Sends the Receiver and Sender back. The Sender gets an error message", async function () {
         await Page.open();
         const sendWindow = await browser.getWindowHandle();
-        await Page.uploadFiles("./test/files/sizes/20MB");
+        await Page.uploadFiles("./test/files/sizes/20MB.bin");
 
         const codeUrl = await Page.getCodeUrl();
         const _receiveWindow = await browser.newWindow(codeUrl);
@@ -112,7 +112,7 @@ describe("Cancellation", () => {
       it("Sends the Receiver and Sender back. The Receiver gets an error message", async function () {
         await Page.open();
         const sendWindow = await browser.getWindowHandle();
-        await Page.uploadFiles("./test/files/sizes/20MB");
+        await Page.uploadFiles("./test/files/sizes/20MB.bin");
         const codeUrl = await Page.getCodeUrl();
 
         // Receiver
@@ -143,7 +143,7 @@ describe("Cancellation", () => {
       it("Sends the Sender back with no message", async function () {
         await Page.open();
         const sendWindow = await browser.getWindowHandle();
-        await Page.uploadFiles("./test/files/sizes/20MB");
+        await Page.uploadFiles("./test/files/sizes/20MB.bin");
         const codeUrl = await Page.getCodeUrl();
 
         const _receiveWindow = await browser.newWindow(codeUrl);

client-e2e/test/specs/pages.ts

@@ -81,7 +81,7 @@ describe("Check internal Pages", () => {
       await Page.open();
       // Sender
       const _sendWindow = await browser.getWindowHandle();
-      await Page.uploadFiles("./test/files/sizes/20MB");
+      await Page.uploadFiles("./test/files/sizes/20MB.bin");
       const codeUrl = await Page.getCodeUrl();
 
       // Receiver

client-e2e/test/specs/send-large-files.ts

@@ -45,21 +45,21 @@ async function testTransferFailure(fileName: string, timeout?: number) {
 describe("Send flow large files", () => {
   describe("when uploading a file with the size of 300MB", () => {
     it("will tell the user that the file is too large", async () => {
-      await testTransferFailure("sizes/300MB");
+      await testTransferFailure("sizes/300MB.bin");
     });
   });
 
   describe("when uploading a file with the size of 4.2GB", () => {
     it("will tell the user that the file is too large", async function () {
       this.timeout(120000);
-      await testTransferFailure("sizes/4.2GB");
+      await testTransferFailure("sizes/4.2GB.bin");
     });
   });
 
   describe("when uploading a file with the size of 4.3GB", () => {
     it("will tell the user that the file is too large", async function () {
       this.timeout(120000);
-      await testTransferFailure("sizes/4.3GB");
+      await testTransferFailure("sizes/4.3GB.bin");
     });
   });
 });

client-e2e/test/specs/send.ts

@@ -73,15 +73,15 @@ describe("Send flow", () => {
   describe("when uploading a file with the size of 5MB", () => {
     it("will transfer successfully", async () => {
       // 100 sec.
-      await testTransferSuccess("sizes/5MB", 100000);
+      await testTransferSuccess("sizes/5MB.bin", 100000);
     });
   });
 
   describe("when uploading a file with the size of 20MB", () => {
     // TODO: enable, when speed issue fixed, currently fails with Firefox
     it.skip("will transfer successfully", async () => {
       // 100 sec.
-      await testTransferSuccess("sizes/20MB", 100000);
+      await testTransferSuccess("sizes/20MB.bin", 100000);
     });
   });
 

client/package.json

@@ -21,6 +21,7 @@
     "classnames": "^2.3.1",
     "fastest-levenshtein": "^1.0.12",
     "formik": "^2.2.9",
+    "nanoid": "^4.0.2",
     "nosleep.js": "^0.12.0",
     "react": "^18.0.0",
     "react-dom": "^18.0.0",

client/src/app/components/CodeInput.test.tsx

@@ -11,6 +11,8 @@ const emptyLine = String.fromCharCode(8203);
 
 global.ResizeObserver = require("resize-observer-polyfill");
 
+jest.mock("../util/downloader/downloader.ts");
+
 // Sometimes tests fails on Github CI
 jest.retryTimes(1);
 

client/src/app/sagas.ts

@@ -4,11 +4,11 @@ import streamSaver from "streamsaver";
 import { Client, ReceiveResult, SendResult } from "../../pkg";
 import { setError } from "./errorSlice";
 import { NoSleep } from "./NoSleep";
+import { close, createStream, write } from "./util/downloader/downloader";
 import { makeProgressFunc } from "./util/makeProgressFunc";
 import {
   completeLoading,
   completeTransfer,
-  requestCancelTransfer,
   reset,
   selectWormholeStatus,
   setConsenting,
@@ -130,22 +130,14 @@ function* transfer(): any {
             "wormhole/answerConsent"
           );
           if (consentPayload) {
-            const fileStream = streamSaver.createWriteStream(
-              receiveResult.get_file_name(),
-              {
-                size: Number(receiveResult.file_size),
-              }
-            );
-            writer = fileStream.getWriter();
+            const fileName = receiveResult.get_file_name();
+            const stream = yield createStream(receiveResult.get_file_name());
             yield pkg.download_file(
               receiveResult,
               {
-                write: (x: unknown) =>
-                  writer!.write(x).catch((e) => {
-                    // If `writer.write` throws, the user cancelled the download through the browser's download manager.
-                    console.error("Failed to write:", e);
-                    transferChannel.put(requestCancelTransfer());
-                  }),
+                write: (x: Uint8Array) => {
+                  write(stream, x);
+                },
                 progress: makeProgressFunc((sentBytes, totalBytes) => {
                   transferChannel.put(
                     setTransferProgress([sentBytes, totalBytes])
@@ -154,7 +146,7 @@ function* transfer(): any {
               },
               cancel
             );
-            yield writer.close();
+            yield close(stream);
             yield put(completeTransfer());
           } else {
             yield pkg.reject_file(receiveResult);

client/src/app/util/downloader/__mocks__/downloader.ts

@@ -0,0 +1 @@
+// no need for a mock implementation (yet)

client/src/app/util/downloader/cleanerWorker.ts

@@ -0,0 +1,17 @@
+async function cleanup() {
+  const directoryHandle = await navigator.storage.getDirectory();
+  const now = Date.now();
+  // @ts-ignore
+  for await (const [filename, handle] of directoryHandle.entries()) {
+    const file: File = await handle.getFile();
+    if (now >= file.lastModified + 60000) {
+      directoryHandle.removeEntry(filename);
+    }
+  }
+}
+
+cleanup();
+
+setInterval(() => {
+  cleanup();
+}, 30000);