Support brokering from Linux x64 and Intel Macs (#278689)

* Support Linux & Intel Macs

This grabs the native files directly since the ones at the root are not expected to work in our cases, namely Intel Mac where we use arm machines to build the x64 build.

* actually include macOS intel bits

Author: TylerLeonhardt

extensions/microsoft-authentication/extension.webpack.config.js

@@ -8,20 +8,41 @@ import CopyWebpackPlugin from 'copy-webpack-plugin';
 import path from 'path';
 
 const isWindows = process.platform === 'win32';
-const windowsArches = ['x64'];
 const isMacOS = process.platform === 'darwin';
-const macOSArches = ['arm64'];
+const isLinux = !isWindows && !isMacOS;
+
+const windowsArches = ['x64'];
+const linuxArches = ['x64'];
+
+let platformFolder;
+switch (process.platform) {
+	case 'win32':
+		platformFolder = 'windows';
+		break;
+	case 'darwin':
+		platformFolder = 'macos';
+		break;
+	case 'linux':
+		platformFolder = 'linux';
+		break;
+	default:
+		throw new Error(`Unsupported platform: ${process.platform}`);
+}
 
-const arch = process.arch;
+const arch = process.env.VSCODE_ARCH || process.arch;
 console.log(`Building Microsoft Authentication Extension for ${process.platform} (${arch})`);
 
 const plugins = [...nodePlugins(import.meta.dirname)];
-if ((isWindows && windowsArches.includes(arch)) || (isMacOS && macOSArches.includes(arch))) {
+if (
+	(isWindows && windowsArches.includes(arch)) ||
+	isMacOS ||
+	(isLinux && linuxArches.includes(arch))
+) {
 	plugins.push(new CopyWebpackPlugin({
 		patterns: [
 			{
 				// The native files we need to ship with the extension
-				from: '**/dist/(lib|)msal*.(node|dll|dylib)',
+				from: `**/dist/${platformFolder}/${arch}/(lib|)msal*.(node|dll|dylib|so)`,
 				to: '[name][ext]'
 			}
 		]

extensions/microsoft-authentication/src/node/cachedPublicClientApplication.ts

@@ -51,9 +51,7 @@ export class CachedPublicClientApplication implements ICachedPublicClientApplica
 
 		const loggerOptions = new MsalLoggerOptions(_logger, telemetryReporter);
 		let broker: BrokerOptions | undefined;
-		if (process.platform !== 'win32' && process.platform !== 'darwin') {
-			this._logger.info(`[${this._clientId}] Native Broker is only available on Windows and macOS`);
-		} else if (env.uiKind === UIKind.Web) {
+		if (env.uiKind === UIKind.Web) {
 			this._logger.info(`[${this._clientId}] Native Broker is not available in web UI`);
 		} else if (workspace.getConfiguration('microsoft-authentication').get<'msal' | 'msal-no-broker'>('implementation') === 'msal-no-broker') {
 			this._logger.info(`[${this._clientId}] Native Broker disabled via settings`);