[CLI] Support code signing (microsoft#23)

Add support for signing update bundle.

cli/README.md

@@ -395,6 +395,7 @@ code-push-standalone release-react <appName> <platform>
 [--useHermes <useHermes>]
 [--podFile <podFile>]
 [--extraHermesFlags <extraHermesFlags>]
+[--privateKeyPath <privateKeyPath>]
 ```
 
 The `release-react` command is a React Native-specific version of the "vanilla" [`release`](#releasing-app-updates) command, which supports all of the same parameters (e.g. `--mandatory`, `--description`), yet simplifies the process of releasing updates by performing the following additional behavior:
@@ -542,6 +543,12 @@ Hermes flags which will be passed to Hermes compiler.
 
 _NOTE: This parameter can be set using either --extraHermesFlags or -hf_
 
+#### Private key path parameter
+
+Private key path which is used for code signing.
+
+_NOTE: This parameter can be set using either --privateKeyPath or -k_
+
 ## Debugging CodePush Integration
 
 Once you've released an update, React Native plugin has been integrated into your app, it can be helpful to diagnose how the plugin is behaving, especially if you run into an issue and want to understand why. In order to debug the CodePush update discovery experience, you can run the following command in order to easily view the diagnostic logs produced by the CodePush plugin within your app:

cli/package.json

@@ -24,6 +24,7 @@
     "cli-table": "^0.3.11",
     "email-validator": "^2.0.4",
     "gradle-to-js": "2.0.1",
+    "jsonwebtoken": "^9.0.2",
     "moment": "^2.29.4",
     "opener": "^1.5.2",
     "parse-duration": "1.1.0",
@@ -38,6 +39,7 @@
     "simctl": "^2.0.3",
     "slash": "1.0.0",
     "superagent": "^8.0.9",
+    "temp": "^0.9.4",
     "which": "^1.2.7",
     "wordwrap": "1.0.0",
     "xml2js": "^0.6.0",

cli/script/command-executor.ts

@@ -21,6 +21,7 @@ const Table = require("cli-table");
 const which = require("which");
 import wordwrap = require("wordwrap");
 import * as cli from "../script/types/cli";
+import sign from "./sign";
 import {
   AccessKey,
   Account,
@@ -37,11 +38,14 @@ import {
   UpdateMetrics,
 } from "../script/types";
 import {
-  fileDoesNotExistOrIsDirectory,
   getAndroidHermesEnabled,
   getiOSHermesEnabled,
   runHermesEmitBinaryCommand
 } from "./react-native-utils";
+import {
+  fileDoesNotExistOrIsDirectory,
+  isBinaryOrZip
+} from "./utils/file-utils";
 
 const configFilePath: string = path.join(process.env.LOCALAPPDATA || process.env.HOME, ".code-push.config");
 const emailValidator = require("email-validator");
@@ -1321,7 +1325,14 @@ export const releaseReact = (command: cli.IReleaseReactCommand): Promise<void> =
             command.gradleFile
           );
         }
-
+      })
+      .then(async () => {
+        if (command.privateKeyPath) {
+          log(chalk.cyan("\nSigning the bundle:\n"));
+          await sign(command.privateKeyPath, outputFolder);
+        } else {
+          console.log("private key was not provided");
+        }
       })
       .then(() => {
         log(chalk.cyan("\nReleasing update contents to CodePush:\n"));
@@ -1490,10 +1501,6 @@ function releaseErrorHandler(error: CodePushError, command: cli.ICommand): void
   }
 }
 
-function isBinaryOrZip(path: string): boolean {
-  return path.search(/\.zip$/i) !== -1 || path.search(/\.apk$/i) !== -1 || path.search(/\.ipa$/i) !== -1;
-}
-
 function throwForInvalidEmail(email: string): void {
   if (!emailValidator.validate(email)) {
     throw new Error('"' + email + '" is an invalid e-mail address.');

cli/script/command-parser.ts

@@ -797,6 +797,13 @@ yargs
           "Flags that get passed to Hermes, JavaScript to bytecode compiler. Can be specified multiple times.",
         type: "array",
       })
+      .option("privateKeyPath", {
+        alias: "k",
+        default: null,
+        demand: false,
+        description: "Path to private key used for code signing.",
+        type: "string",
+      })
       .check((argv: any, aliases: { [aliases: string]: string }): any => {
         return checkValidReleaseOptions(argv);
       });
@@ -1194,6 +1201,7 @@ export function createCommand(): cli.ICommand {
           releaseReactCommand.useHermes = argv["useHermes"] as any;
           releaseReactCommand.extraHermesFlags = argv["extraHermesFlags"] as any;
           releaseReactCommand.podFile = argv["podFile"] as any;
+          releaseReactCommand.privateKeyPath = argv["privateKeyPath"] as any;
         }
         break;
 

cli/script/react-native-utils.ts

@@ -3,6 +3,7 @@ import * as chalk from "chalk";
 import * as path from "path";
 import * as childProcess from "child_process";
 import { coerce, compare } from "semver";
+import { fileDoesNotExistOrIsDirectory } from "./utils/file-utils";
 
 const g2js = require("gradle-to-js/lib/parser");
 
@@ -119,14 +120,6 @@ export async function runHermesEmitBinaryCommand(
   });
 }
 
-export function fileDoesNotExistOrIsDirectory(filePath: string): boolean {
-  try {
-    return fs.lstatSync(filePath).isDirectory();
-  } catch (error) {
-    return true;
-  }
-}
-
 function parseBuildGradleFile(gradleFile: string) {
   let buildGradlePath: string = path.join("android", "app");
   if (gradleFile) {