feat: create user's ssh key

package.json

@@ -98,7 +98,8 @@
   },
   "dependencies": {
     "fs-plus": "~3.1.1",
-    "node-ssh": "^13.2.0"
+    "node-ssh": "^13.2.0",
+    "sshpk": "^1.18.0"
   },
   "devDependencies": {
     "@babel/core": "~7.21.3",

src/home.ts

@@ -96,7 +96,7 @@ export default class DSHome {
               break;
             }
           case 'createUserPublicKey':
-            this.user.createUserSSHKey();
+            await this.user.createUserSSHKey();
             if (this.user.existUserPublicKey()) {
               panel.webview.postMessage({command: 'createUserPublicKey', data: {ok: true}})
               break;

src/user.ts

@@ -4,7 +4,9 @@ import * as os from 'os';
 import * as fs from 'fs';
 const {
   generateKeyPairSync,
-} = require('node:crypto')
+  createHash
+} = require('node:crypto');
+const sshpk = require('sshpk');
 
 export default class User {
     private context:vscode.ExtensionContext;
@@ -93,7 +95,7 @@ export default class User {
         return fs.readFileSync(userPrivateKey, 'utf-8');
     }
 
-    public createUserSSHKey() {
+    public async createUserSSHKey() {
         if (this.existUserPublicKey() && this.existUserPrivateKey()) {
             // if both public and private key exists, stop
             return;
@@ -102,7 +104,7 @@ export default class User {
         const {
           publicKey,
           privateKey,
-        } = generateKeyPairSync('rsa', {
+        } = await generateKeyPairSync('rsa', {
           modulusLength: 4096,
           publicKeyEncoding: {
             type: 'spki',
@@ -115,10 +117,13 @@ export default class User {
             passphrase: 'devstar'
           },
         });
+        const publicKeyFingerprint = sshpk.parseKey(publicKey, 'pem').toString('ssh');
+        const publicKeyStr = publicKeyFingerprint; // public key is public key fingerprint
+        const privateKeyStr = privateKey;
 
         try {
-          fs.writeFileSync(this.getUserPublicKeyPath(), publicKey);
-          fs.writeFileSync(this.getUserPrivateKeyPath(), privateKey);
+          fs.writeFileSync(this.getUserPublicKeyPath(), publicKeyStr);
+          fs.writeFileSync(this.getUserPrivateKeyPath(), privateKeyStr);
         } catch(error) {
           console.error("Failed to write public/private key into the default ssh public/key file: ", error);
         }