bitwarden/use-node-argon2.patch

Use node-argon2 instead of browser-argon2 as the second needs webassembly/emscripten to compile and does not have source included in the tarball, while the first allows use to use the already installed system libargon2

--- bitwarden/apps/desktop/webpack.main.js.old	2023-02-15 19:02:44.000000000 +0100
+++ bitwarden/apps/desktop/webpack.main.js	2023-02-18 18:42:54.917063925 +0100
@@ -73,8 +73,6 @@
         "./src/package.json",
         { from: "./src/images", to: "images" },
         { from: "./src/locales", to: "locales" },
-        "../../node_modules/argon2-browser/dist/argon2.wasm",
-        "../../node_modules/argon2-browser/dist/argon2-simd.wasm",
       ],
     }),
     new EnvironmentPlugin({
@@ -84,6 +83,8 @@
   externals: {
     "electron-reload": "commonjs2 electron-reload",
     "@bitwarden/desktop-native": "commonjs2 @bitwarden/desktop-native",
+    "argon2": "commonjs2 argon2",
+    "@phc/format": "commonjs2 @phc/format",
   },
 };
 
--- bitwarden/apps/desktop/webpack.renderer.js.old	2023-02-15 19:02:44.000000000 +0100
+++ bitwarden/apps/desktop/webpack.renderer.js	2023-02-18 18:41:53.074156675 +0100
@@ -40,11 +40,6 @@
         },
         type: "asset/resource",
       },
-      {
-        test: /\.wasm$/,
-        loader: "base64-loader",
-        type: "javascript/auto",
-      },
     ],
   },
   plugins: [],
@@ -127,11 +122,6 @@
         test: /[\/\\]@angular[\/\\].+\.js$/,
         parser: { system: true },
       },
-      {
-        test: /\.wasm$/,
-        loader: "base64-loader",
-        type: "javascript/auto",
-      },
     ],
   },
   plugins: [
@@ -162,6 +152,10 @@
       DEV_FLAGS: NODE_ENV === "development" ? envConfig.devFlags : {},
     }),
   ],
+  externals: {
+    "argon2": "commonjs2 argon2",
+    "@phc/format": "commonjs2 @phc/format",
+  },
 };
 
 module.exports = merge(common, renderer);
--- bitwarden/apps/desktop/src/package.json.old	2023-02-15 19:02:44.000000000 +0100
+++ bitwarden/apps/desktop/src/package.json	2023-02-18 18:54:55.213046618 +0100
@@ -12,6 +12,7 @@
     "url": "git+https://github.com/bitwarden/clients.git"
   },
   "dependencies": {
+    "argon2": "^0.30.3",
     "@bitwarden/desktop-native": "file:../desktop_native"
   }
 }
--- bitwarden/libs/common/src/platform/services/web-crypto-function.service.ts.old	2023-02-15 19:02:44.000000000 +0100
+++ bitwarden/libs/common/src/platform/services/web-crypto-function.service.ts	2023-02-18 18:52:00.173567051 +0100
@@ -1,4 +1,4 @@
-import * as argon2 from "argon2-browser";
+import * as argon2 from "argon2";
 import * as forge from "node-forge";
 
 import { Utils } from "../../platform/misc/utils";
@@ -9,13 +9,11 @@
 export class WebCryptoFunctionService implements CryptoFunctionService {
   private crypto: Crypto;
   private subtle: SubtleCrypto;
-  private wasmSupported: boolean;
 
   constructor(win: Window | typeof global) {
     this.crypto = typeof win.crypto !== "undefined" ? win.crypto : null;
     this.subtle =
       !!this.crypto && typeof win.crypto.subtle !== "undefined" ? win.crypto.subtle : null;
-    this.wasmSupported = this.checkIfWasmSupported();
   }
 
   async pbkdf2(
@@ -52,24 +50,19 @@
     memory: number,
     parallelism: number
   ): Promise<ArrayBuffer> {
-    if (!this.wasmSupported) {
-      throw "Webassembly support is required for the Argon2 KDF feature.";
-    }
-
-    const passwordArr = new Uint8Array(this.toBuf(password));
-    const saltArr = new Uint8Array(this.toBuf(salt));
+    const nodePassword = this.toNodeValue(password);
+    const nodeSalt = this.toNodeBuffer(this.toArrayBuffer(salt));
 
-    const result = await argon2.hash({
-      pass: passwordArr,
-      salt: saltArr,
-      time: iterations,
-      mem: memory,
+    const hash = await argon2.hash(nodePassword, {
+      salt: nodeSalt,
+      raw: true,
+      hashLength: 32,
+      timeCost: iterations,
+      memoryCost: memory,
       parallelism: parallelism,
-      hashLen: 32,
-      type: argon2.ArgonType.Argon2id,
+      type: argon2.argon2id,
     });
-    argon2.unloadRuntime();
-    return result.hash;
+    return this.toArrayBuffer(hash);
   }
 
   async hkdf(
@@ -383,20 +377,28 @@
     return algorithm === "sha1" ? "SHA-1" : algorithm === "sha256" ? "SHA-256" : "SHA-512";
   }
 
-  // ref: https://stackoverflow.com/a/47880734/1090359
-  private checkIfWasmSupported(): boolean {
-    try {
-      if (typeof WebAssembly === "object" && typeof WebAssembly.instantiate === "function") {
-        const module = new WebAssembly.Module(
-          Uint8Array.of(0x0, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00)
-        );
-        if (module instanceof WebAssembly.Module) {
-          return new WebAssembly.Instance(module) instanceof WebAssembly.Instance;
-        }
-      }
-    } catch {
-      return false;
+// from libs/node/src/services/node-crypto-function.service.ts
+  private toNodeValue(value: string | ArrayBuffer): string | Buffer {
+    let nodeValue: string | Buffer;
+    if (typeof value === "string") {
+      nodeValue = value;
+    } else {
+      nodeValue = this.toNodeBuffer(value);
+    }
+    return nodeValue;
+  }
+
+  private toNodeBuffer(value: ArrayBuffer): Buffer {
+    return Buffer.from(new Uint8Array(value) as any);
+  }
+
+  private toArrayBuffer(value: Buffer | string | ArrayBuffer): ArrayBuffer {
+    let buf: ArrayBuffer;
+    if (typeof value === "string") {
+      buf = Utils.fromUtf8ToArray(value).buffer;
+    } else {
+      buf = new Uint8Array(value).buffer;
     }
-    return false;
+    return buf;
   }
 }