bump to 0.0.7

merge enc to master

.github/workflows/auto-build.yml

@@ -0,0 +1,35 @@
+# This workflow will do a clean install of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: BuildCI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [16.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm install
+      - run: npm test
+      - run: npm run build
+      - uses: actions/upload-artifact@v2
+        with:
+          name: my-dist
+          path: |
+            main.js
+            manifest.json

manifest.json

@@ -1,7 +1,7 @@
 {
   "id": "obsdian-save-remote",
   "name": "Save remote",
-  "version": "0.0.2",
+  "version": "0.0.7",
   "minAppVersion": "0.12.15",
   "description": "This is yet another plugin allowing users to sync notes between local device and the cloud.",
   "author": "fyears",

package.json

@@ -1,22 +1,29 @@
 {
   "name": "obsidian-save-remote",
-  "version": "0.0.1",
+  "version": "0.0.7",
   "description": "This is yet another sync plugin for Obsidian app.",
   "scripts": {
     "dev": "webpack --mode development --watch",
     "build": "webpack --mode production",
     "format": "npx prettier --write .",
-    "clean": "npx rimraf main.js"
+    "clean": "npx rimraf main.js",
+    "test": "env TS_NODE_COMPILER_OPTIONS='{\"module\": \"commonjs\" }' mocha -r ts-node/register 'tests/**/*.ts'"
   },
   "source": "main.ts",
   "keywords": [],
   "author": "",
   "license": "Apache-2.0",
   "devDependencies": {
+    "@types/chai": "^4.2.22",
+    "@types/mime-types": "^2.1.1",
+    "@types/mocha": "^9.0.0",
     "@types/node": "^14.14.37",
+    "chai": "^4.3.4",
+    "mocha": "^9.1.3",
     "prettier": "^2.4.1",
     "terser-webpack-plugin": "^5.2.4",
     "ts-loader": "^9.2.6",
+    "ts-node": "^10.4.0",
     "tslib": "^2.2.0",
     "typescript": "^4.4.4",
     "webdav-server": "^2.6.2",
@@ -26,13 +33,18 @@
   "dependencies": {
     "@aws-sdk/client-s3": "^3.37.0",
     "@aws-sdk/signature-v4-crt": "^3.37.0",
-    "@types/mime-types": "^2.1.1",
+    "acorn": "^8.5.0",
     "aws-crt": "^1.10.1",
+    "buffer": "^6.0.3",
     "codemirror": "^5.63.1",
     "lovefield-ts": "^0.7.0",
     "mime-types": "^2.1.33",
     "obsidian": "^0.12.0",
+    "path-browserify": "^1.0.1",
+    "process": "^0.11.10",
+    "rfc4648": "^1.5.0",
     "rimraf": "^3.0.2",
+    "stream-browserify": "^3.0.0",
     "webdav": "^4.7.0",
     "webdav-fs": "^4.0.0"
   }

src/encrypt.ts

@@ -0,0 +1,135 @@
+import { base32, base64 } from "rfc4648";
+import {
+  bufferToArrayBuffer,
+  arrayBufferToBuffer,
+  hexStringToTypedArray,
+  arrayBufferToHex,
+} from "./misc";
+
+const DEFAULT_ITER = 10000;
+
+const getKeyIVFromPassword = async (
+  salt: Uint8Array,
+  password: string,
+  rounds: number = DEFAULT_ITER
+) => {
+  const k1 = await window.crypto.subtle.importKey(
+    "raw",
+    new TextEncoder().encode(password),
+    { name: "PBKDF2" },
+    false,
+    ["deriveKey", "deriveBits"]
+  );
+
+  const k2 = await window.crypto.subtle.deriveBits(
+    {
+      name: "PBKDF2",
+      salt: salt,
+      iterations: rounds,
+      hash: "SHA-256",
+    },
+    k1,
+    256 + 128
+  );
+
+  return k2;
+};
+
+export const encryptArrayBuffer = async (
+  arrBuf: ArrayBuffer,
+  password: string,
+  rounds: number = DEFAULT_ITER,
+  saltHex: string = ""
+) => {
+  let salt: Uint8Array;
+  if (saltHex !== "") {
+    salt = hexStringToTypedArray(saltHex);
+  } else {
+    salt = window.crypto.getRandomValues(new Uint8Array(8));
+  }
+
+  const derivedKey = await getKeyIVFromPassword(salt, password, rounds);
+  const key = derivedKey.slice(0, 32);
+  const iv = derivedKey.slice(32, 32 + 16);
+
+  const keyCrypt = await window.crypto.subtle.importKey(
+    "raw",
+    key,
+    { name: "AES-CBC" },
+    false,
+    ["encrypt", "decrypt"]
+  );
+
+  const enc = (await window.crypto.subtle.encrypt(
+    { name: "AES-CBC", iv },
+    keyCrypt,
+    arrBuf
+  )) as ArrayBuffer;
+
+  const prefix = new TextEncoder().encode("Salted__");
+
+  const res = new Uint8Array([...prefix, ...salt, ...new Uint8Array(enc)]);
+
+  return bufferToArrayBuffer(res);
+};
+
+export const decryptArrayBuffer = async (
+  arrBuf: ArrayBuffer,
+  password: string,
+  rounds: number = DEFAULT_ITER
+) => {
+  const prefix = arrBuf.slice(0, 8);
+  const salt = arrBuf.slice(8, 16);
+  const derivedKey = await getKeyIVFromPassword(
+    new Uint8Array(salt),
+    password,
+    rounds
+  );
+  const key = derivedKey.slice(0, 32);
+  const iv = derivedKey.slice(32, 32 + 16);
+
+  const keyCrypt = await window.crypto.subtle.importKey(
+    "raw",
+    key,
+    { name: "AES-CBC" },
+    false,
+    ["encrypt", "decrypt"]
+  );
+
+  const dec = (await window.crypto.subtle.decrypt(
+    { name: "AES-CBC", iv },
+    keyCrypt,
+    arrBuf.slice(16)
+  )) as ArrayBuffer;
+
+  return dec;
+};
+
+export const encryptStringToBase32 = async (
+  text: string,
+  password: string,
+  rounds: number = DEFAULT_ITER,
+  saltHex: string = ""
+) => {
+  const enc = await encryptArrayBuffer(
+    bufferToArrayBuffer(new TextEncoder().encode(text)),
+    password,
+    rounds,
+    saltHex
+  );
+  return base32.stringify(new Uint8Array(enc));
+};
+
+export const decryptBase32ToString = async (
+  text: string,
+  password: string,
+  rounds: number = DEFAULT_ITER
+) => {
+  return new TextDecoder().decode(
+    await decryptArrayBuffer(
+      bufferToArrayBuffer(base32.parse(text)),
+      password,
+      rounds
+    )
+  );
+};

src/main.ts

@@ -27,10 +27,12 @@ import { DEFAULT_S3_CONFIG, getS3Client, listFromRemote, S3Config } from "./s3";
 
 interface SaveRemotePluginSettings {
   s3?: S3Config;
+  password?: string;
 }
 
 const DEFAULT_SETTINGS: SaveRemotePluginSettings = {
   s3: DEFAULT_S3_CONFIG,
+  password: "",
 };
 
 export default class SaveRemotePlugin extends Plugin {
@@ -60,13 +62,6 @@ export default class SaveRemotePlugin extends Plugin {
       })
     );
 
-    // this.addRibbonIcon("dice", "Misc", async () => {
-    //   const a = this.app.vault.getAllLoadedFiles();
-    //   console.log(a);
-    //   const h = await getAllRecords(this.db);
-    //   console.log(h);
-    // });
-
     this.addRibbonIcon("switch", "Save Remote", async () => {
       if (this.syncStatus !== "idle") {
         new Notice("Save Remote already running!");
@@ -87,7 +82,8 @@ export default class SaveRemotePlugin extends Plugin {
         remoteRsp.Contents,
         local,
         localHistory,
-        this.db
+        this.db,
+        this.settings.password
       );
 
       for (const [key, val] of Object.entries(mixedStates)) {
@@ -106,7 +102,8 @@ export default class SaveRemotePlugin extends Plugin {
         this.settings.s3,
         this.db,
         this.app.vault,
-        mixedStates
+        mixedStates,
+        this.settings.password
       );
 
       new Notice("Save Remote finish!");
@@ -230,5 +227,18 @@ class SaveRemoteSettingTab extends PluginSettingTab {
             await this.plugin.saveSettings();
           })
       );
+
+    new Setting(containerEl)
+      .setName("password")
+      .setDesc("password")
+      .addText((text) =>
+        text
+          .setPlaceholder("")
+          .setValue(`${this.plugin.settings.password}`)
+          .onChange(async (value) => {
+            this.plugin.settings.password = value;
+            await this.plugin.saveSettings();
+          })
+      );
   }
 }

src/misc.ts

@@ -1,6 +1,8 @@
 import { Vault } from "obsidian";
 import * as path from "path";
 
+import { base32 } from "rfc4648";
+
 export type SUPPORTED_SERVICES_TYPE = "s3" | "webdav" | "ftp";
 
 export const ignoreHiddenFiles = (item: string) => {
@@ -46,6 +48,44 @@ export const mkdirpInVault = async (thePath: string, vault: Vault) => {
  * @param b Buffer
  * @returns ArrayBuffer
  */
-export const bufferToArrayBuffer = (b: Buffer) => {
+export const bufferToArrayBuffer = (b: Buffer | Uint8Array) => {
   return b.buffer.slice(b.byteOffset, b.byteOffset + b.byteLength);
 };
+
+/**
+ * Simple func.
+ * @param b
+ * @returns
+ */
+export const arrayBufferToBuffer = (b: ArrayBuffer) => {
+  return Buffer.from(b);
+};
+
+export const arrayBufferToBase64 = (b: ArrayBuffer) => {
+  return arrayBufferToBuffer(b).toString("base64");
+};
+
+export const arrayBufferToHex = (b: ArrayBuffer) => {
+  return arrayBufferToBuffer(b).toString("hex");
+};
+
+export const base64ToArrayBuffer = (b64text: string) => {
+  return bufferToArrayBuffer(Buffer.from(b64text, "base64"));
+};
+
+/**
+ * https://stackoverflow.com/questions/43131242
+ * @param hex
+ * @returns
+ */
+export const hexStringToTypedArray = (hex: string) => {
+  return new Uint8Array(
+    hex.match(/[\da-f]{2}/gi).map(function (h) {
+      return parseInt(h, 16);
+    })
+  );
+};
+
+export const base64ToBase32 = (a: string) => {
+  return base32.stringify(Buffer.from(a, "base64"));
+};

src/s3.ts

@@ -14,8 +14,13 @@ import {
 
 import type { _Object } from "@aws-sdk/client-s3";
 
-import { bufferToArrayBuffer, mkdirpInVault } from "./misc";
+import {
+  arrayBufferToBuffer,
+  bufferToArrayBuffer,
+  mkdirpInVault,
+} from "./misc";
 import * as mime from "mime-types";
+import { decryptArrayBuffer, encryptArrayBuffer } from "./encrypt";
 
 export interface S3Config {
   s3Endpoint: string;
@@ -65,8 +70,14 @@ export const uploadToRemote = async (
   s3Config: S3Config,
   fileOrFolderPath: string,
   vault: Vault,
-  isRecursively: boolean = false
+  isRecursively: boolean = false,
+  password: string = "",
+  remoteEncryptedKey: string = ""
 ) => {
+  let uploadFile = fileOrFolderPath;
+  if (password !== "") {
+    uploadFile = remoteEncryptedKey;
+  }
   const isFolder = fileOrFolderPath.endsWith("/");
 
   const DEFAULT_CONTENT_TYPE = "application/octet-stream";
@@ -79,7 +90,7 @@ export const uploadToRemote = async (
     await s3Client.send(
       new PutObjectCommand({
         Bucket: s3Config.s3BucketName,
-        Key: fileOrFolderPath,
+        Key: uploadFile,
         Body: "",
         ContentType: contentType,
       })
@@ -88,20 +99,28 @@ export const uploadToRemote = async (
   } else {
     // file
     // we ignore isRecursively parameter here
-    const contentType =
+    let contentType = DEFAULT_CONTENT_TYPE;
-      mime.contentType(mime.lookup(fileOrFolderPath) || DEFAULT_CONTENT_TYPE) ||
+    if (password === "") {
-      DEFAULT_CONTENT_TYPE;
+      contentType =
-    const content = await vault.adapter.readBinary(fileOrFolderPath);
+        mime.contentType(
-    const body = Buffer.from(content);
+          mime.lookup(fileOrFolderPath) || DEFAULT_CONTENT_TYPE
+        ) || DEFAULT_CONTENT_TYPE;
+    }
+    const localContent = await vault.adapter.readBinary(fileOrFolderPath);
+    let remoteContent = localContent;
+    if (password !== "") {
+      remoteContent = await encryptArrayBuffer(localContent, password);
+    }
+    const body = arrayBufferToBuffer(remoteContent);
     await s3Client.send(
       new PutObjectCommand({
         Bucket: s3Config.s3BucketName,
-        Key: fileOrFolderPath,
+        Key: uploadFile,
         Body: body,
         ContentType: contentType,
       })
     );
-    return await getRemoteMeta(s3Client, s3Config, fileOrFolderPath);
+    return await getRemoteMeta(s3Client, s3Config, uploadFile);
   }
 };
 
@@ -169,22 +188,35 @@ export const downloadFromRemote = async (
   s3Config: S3Config,
   fileOrFolderPath: string,
   vault: Vault,
-  mtime: number
+  mtime: number,
+  password: string = "",
+  remoteEncryptedKey: string = ""
 ) => {
   const isFolder = fileOrFolderPath.endsWith("/");
 
   await mkdirpInVault(fileOrFolderPath, vault);
 
+  // the file is always local file
+  // we need to encrypt it
+
   if (isFolder) {
     // mkdirp locally is enough
     // do nothing here
   } else {
-    const content = await downloadFromRemoteRaw(
+    let downloadFile = fileOrFolderPath;
+    if (password !== "") {
+      downloadFile = remoteEncryptedKey;
+    }
+    const remoteContent = await downloadFromRemoteRaw(
       s3Client,
       s3Config,
-      fileOrFolderPath
+      downloadFile
     );
-    await vault.adapter.writeBinary(fileOrFolderPath, content, {
+    let localContent = remoteContent;
+    if (password !== "") {
+      localContent = await decryptArrayBuffer(remoteContent, password);
+    }
+    await vault.adapter.writeBinary(fileOrFolderPath, localContent, {
       mtime: mtime,
     });
   }
@@ -200,12 +232,25 @@ export const downloadFromRemote = async (
 export const deleteFromRemote = async (
   s3Client: S3Client,
   s3Config: S3Config,
-  fileOrFolderPath: string
+  fileOrFolderPath: string,
+  password: string = "",
+  remoteEncryptedKey: string = ""
 ) => {
   if (fileOrFolderPath === "/") {
     return;
   }
-  if (fileOrFolderPath.endsWith("/")) {
+  let remoteFileName = fileOrFolderPath;
+  if (password !== "") {
+    remoteFileName = remoteEncryptedKey;
+  }
+  await s3Client.send(
+    new DeleteObjectCommand({
+      Bucket: s3Config.s3BucketName,
+      Key: remoteFileName,
+    })
+  );
+
+  if (fileOrFolderPath.endsWith("/") && password === "") {
     const x = await listFromRemote(s3Client, s3Config, fileOrFolderPath);
     x.Contents.forEach(async (element) => {
       await s3Client.send(
@@ -215,12 +260,9 @@ export const deleteFromRemote = async (
         })
       );
     });
+  } else if (fileOrFolderPath.endsWith("/") && password !== "") {
+    // TODO
   } else {
-    await s3Client.send(
+    // pass
-      new DeleteObjectCommand({
-        Bucket: s3Config.s3BucketName,
-        Key: fileOrFolderPath,
-      })
-    );
   }
 };

src/sync.ts

@@ -17,6 +17,7 @@ import {
   downloadFromRemote,
 } from "./s3";
 import { mkdirpInVault } from "./misc";
+import { decryptBase32ToString, encryptStringToBase32 } from "./encrypt";
 
 type DecisionType =
   | "undecided"
@@ -44,26 +45,32 @@ interface FileOrFolderMixedState {
   decision?: DecisionType;
   syncDone?: "done";
   decision_branch?: number;
+  remote_encrypted_key?: string;
 }
 
 export const ensembleMixedStates = async (
   remote: S3ObjectType[],
   local: TAbstractFile[],
   deleteHistory: FileFolderHistoryRecord[],
-  db: lf.DatabaseConnection
+  db: lf.DatabaseConnection,
+  password: string = ""
 ) => {
   const results = {} as Record<string, FileOrFolderMixedState>;
 
   if (remote !== undefined) {
     for (const entry of remote) {
+      const remoteEncryptedKey = entry.Key;
+      let key = remoteEncryptedKey;
+      if (password !== "") {
+        key = await decryptBase32ToString(remoteEncryptedKey, password);
+      }
       const backwardMapping = await getSyncMetaMappingByRemoteKeyS3(
         db,
-        entry.Key,
+        key,
         entry.LastModified.valueOf(),
         entry.ETag
       );
 
-      let key = entry.Key;
       let r = {} as FileOrFolderMixedState;
       if (backwardMapping !== undefined) {
         key = backwardMapping.local_key;
@@ -72,6 +79,7 @@ export const ensembleMixedStates = async (
           exist_remote: true,
           mtime_remote: backwardMapping.local_mtime,
           size_remote: backwardMapping.local_size,
+          remote_encrypted_key: remoteEncryptedKey,
         };
       } else {
         r = {
@@ -79,6 +87,7 @@ export const ensembleMixedStates = async (
           exist_remote: true,
           mtime_remote: entry.LastModified.valueOf(),
           size_remote: entry.Size,
+          remote_encrypted_key: remoteEncryptedKey,
         };
       }
       if (results.hasOwnProperty(key)) {
@@ -86,6 +95,7 @@ export const ensembleMixedStates = async (
         results[key].exist_remote = r.exist_remote;
         results[key].mtime_remote = r.mtime_remote;
         results[key].size_remote = r.size_remote;
+        results[key].remote_encrypted_key = r.remote_encrypted_key;
       } else {
         results[key] = r;
       }
@@ -277,13 +287,21 @@ export const doActualSync = async (
   s3Config: S3Config,
   db: lf.DatabaseConnection,
   vault: Vault,
-  keyStates: Record<string, FileOrFolderMixedState>
+  keyStates: Record<string, FileOrFolderMixedState>,
+  password: string = ""
 ) => {
   Object.entries(keyStates)
     .sort((k, v) => -(k as string).length)
     .map(async ([k, v]) => {
       const key = k as string;
       const state = v as FileOrFolderMixedState;
+      let remoteEncryptedKey = key;
+      if (password !== "") {
+        remoteEncryptedKey = state.remote_encrypted_key;
+        if (remoteEncryptedKey === undefined || remoteEncryptedKey === "") {
+          remoteEncryptedKey = await encryptStringToBase32(key, password);
+        }
+      }
 
       if (
         state.decision === undefined ||
@@ -299,7 +317,9 @@ export const doActualSync = async (
           s3Config,
           state.key,
           vault,
-          state.mtime_remote
+          state.mtime_remote,
+          password,
+          remoteEncryptedKey
         );
         await clearDeleteRenameHistoryOfKey(db, state.key);
       } else if (state.decision === "upload_clearhist") {
@@ -308,7 +328,9 @@ export const doActualSync = async (
           s3Config,
           state.key,
           vault,
-          false
+          false,
+          password,
+          remoteEncryptedKey
         );
         await upsertSyncMetaMappingDataS3(
           db,
@@ -328,10 +350,18 @@ export const doActualSync = async (
           s3Config,
           state.key,
           vault,
-          state.mtime_remote
+          state.mtime_remote,
+          password,
+          remoteEncryptedKey
         );
       } else if (state.decision === "delremote_clearhist") {
-        await deleteFromRemote(s3Client, s3Config, state.key);
+        await deleteFromRemote(
+          s3Client,
+          s3Config,
+          state.key,
+          password,
+          remoteEncryptedKey
+        );
         await clearDeleteRenameHistoryOfKey(db, state.key);
       } else if (state.decision === "upload") {
         const remoteObjMeta = await uploadToRemote(
@@ -339,7 +369,9 @@ export const doActualSync = async (
           s3Config,
           state.key,
           vault,
-          false
+          false,
+          password,
+          remoteEncryptedKey
         );
         await upsertSyncMetaMappingDataS3(
           db,

tests/sometext.txt

@@ -0,0 +1 @@
+A secret text 你好世界

tests/test-encrypt.ts

@@ -0,0 +1,55 @@
+import * as fs from "fs";
+import { expect } from "chai";
+import { base64ToBase32 } from "../src/misc";
+import {
+  decryptBase32ToString,
+  encryptStringToBase32,
+} from "../src/encrypt";
+
+describe("Encryption tests", () => {
+  beforeEach(function () {
+    global.window = {
+      crypto: require("crypto").webcrypto,
+    } as any;
+  });
+
+  it("should encrypt string", async () => {
+    const k = "dkjdhkfhdkjgsdklxxd";
+    const password = "hey";
+    expect(await encryptStringToBase32(k, password)).to.not.equal(k);
+  });
+
+  it("should encrypt and decrypt string and get the same result returned", async () => {
+    const k = "jfkkjkjbce7983ycdeknkkjckooAIUHIDIBIE((*BII)njD/d/dd/d/sjxhux";
+    const password = "hfiuibec989###oiu982bj1`";
+    const enc = await encryptStringToBase32(k, password);
+    console.log(enc);
+    const dec = await decryptBase32ToString(enc, password);
+    console.log(dec);
+    expect(dec).equal(k);
+  });
+
+  it("should encrypt and get the same result as openssl", async () => {
+    const fileContent = (
+      await fs.readFileSync(__dirname + "/sometext.txt")
+    ).toString("utf-8");
+    const password = "somepassword";
+    const saltHex = "8302F586FAB491EC";
+    const enc = await encryptStringToBase32(
+      fileContent,
+      password,
+      undefined,
+      saltHex
+    );
+
+    // two command returns same result:
+    // cat ./sometext.txt | openssl enc -p -aes-256-cbc -S 8302F586FAB491EC -pbkdf2 -iter 10000 -base64 -pass pass:somepassword
+    // openssl enc -p -aes-256-cbc -S 8302F586FAB491EC -pbkdf2 -iter 10000 -base64 -pass pass:somepassword -in ./sometext.txt
+    const opensslBase64Res =
+      "U2FsdGVkX1+DAvWG+rSR7MSa+yJav1zCE7SSXiBooqwI5Q+LMpIthpk/pXkLj+25";
+    // we output base32, so we need some transformation
+    const opensslBase32Res = base64ToBase32(opensslBase64Res);
+
+    expect(enc).equal(opensslBase32Res);
+  });
+});

versions.json

@@ -1,3 +1,3 @@
 {
-  "0.0.2": "0.12.15"
+  "0.0.7": "0.12.15"
 }

webpack.config.js

@@ -1,4 +1,5 @@
 const path = require("path");
+const webpack = require("webpack");
 const TerserPlugin = require("terser-webpack-plugin");
 
 module.exports = {
@@ -9,6 +10,16 @@ module.exports = {
     path: __dirname,
     libraryTarget: "commonjs",
   },
+  plugins: [
+    // Work around for Buffer is undefined:
+    // https://github.com/webpack/changelog-v5/issues/10
+    new webpack.ProvidePlugin({
+      Buffer: ["buffer", "Buffer"],
+    }),
+    new webpack.ProvidePlugin({
+      process: "process/browser",
+    }),
+  ],
   module: {
     rules: [
       {
@@ -20,31 +31,31 @@ module.exports = {
   },
   resolve: {
     extensions: [".tsx", ".ts", ".js"],
-    mainFields: ["module", "main"],
+    mainFields: ["browser", "module", "main"],
     fallback: {
-      assert: require.resolve("assert"),
+      // assert: require.resolve("assert"),
-      buffer: require.resolve("buffer/"),
+      // buffer: require.resolve("buffer/"),
-      console: require.resolve("console-browserify"),
+      // console: require.resolve("console-browserify"),
-      constants: require.resolve("constants-browserify"),
+      // constants: require.resolve("constants-browserify"),
-      crypto: require.resolve("crypto-browserify"),
+      // crypto: require.resolve("crypto-browserify"),
-      domain: require.resolve("domain-browser"),
+      // domain: require.resolve("domain-browser"),
-      events: require.resolve("events"),
+      // events: require.resolve("events"),
-      http: require.resolve("stream-http"),
+      // http: require.resolve("stream-http"),
-      https: require.resolve("https-browserify"),
+      // https: require.resolve("https-browserify"),
-      os: require.resolve("os-browserify/browser"),
+      // os: require.resolve("os-browserify/browser"),
       path: require.resolve("path-browserify"),
-      punycode: require.resolve("punycode"),
+      // punycode: require.resolve("punycode"),
       process: require.resolve("process/browser"),
-      querystring: require.resolve("querystring-es3"),
+      // querystring: require.resolve("querystring-es3"),
       stream: require.resolve("stream-browserify"),
-      string_decoder: require.resolve("string_decoder"),
+      // string_decoder: require.resolve("string_decoder"),
-      sys: require.resolve("util"),
+      // sys: require.resolve("util"),
-      timers: require.resolve("timers-browserify"),
+      // timers: require.resolve("timers-browserify"),
-      tty: require.resolve("tty-browserify"),
+      // tty: require.resolve("tty-browserify"),
-      url: require.resolve("url"),
+      // url: require.resolve("url"),
-      util: require.resolve("util"),
+      // util: require.resolve("util"),
-      vm: require.resolve("vm-browserify"),
+      // vm: require.resolve("vm-browserify"),
-      zlib: require.resolve("browserify-zlib"),
+      // zlib: require.resolve("browserify-zlib"),
     },
   },
   externals: {