fix(ts_node/classes.tapnodetools.ts): Refactored methods and improved type annotations in TapNodeTools class.

ts_node/classes.tapnodetools.ts

@@ -1,13 +1,12 @@
 import * as plugins from './plugins.js';
+import { createSign } from 'crypto';
 
 class TapNodeTools {
-  
   private smartshellInstance: plugins.smartshell.Smartshell;
-  constructor() {
 
-  }
+  constructor() {}
 
-  public async runCommand(commandArg) {
+  public async runCommand(commandArg: string): Promise<any> {
     if (!this.smartshellInstance) {
       this.smartshellInstance = new plugins.smartshell.Smartshell({
         executor: 'bash',
@@ -17,29 +16,50 @@ class TapNodeTools {
     return result;
   }
 
-  public async createHttpsCert(commonName: string = 'localhost'): Promise<{ key: string, cert: string }> {
-    const key = plugins.crypto.generateKeyPairSync('rsa', {
+  public async createHttpsCert(
+    commonName: string = 'localhost'
+  ): Promise<{ key: string; cert: string }> {
+    // Generate RSA key pair
+    const { publicKey, privateKey } = plugins.crypto.generateKeyPairSync('rsa', {
       modulusLength: 2048,
       publicExponent: 65537,
     });
-  
-    const cert = '-----BEGIN CERTIFICATE-----\n' +
-      key.publicKey.export({
-        type: 'spki',
-        format: 'pem'
-      }) +
-      '\n-----END CERTIFICATE-----\n';
-  
-    const keyContent = key.privateKey.export({
+
+    // Create a self-signed certificate
+    const cert = this.generateSelfSignedCert(publicKey, privateKey, commonName);
+
+    // Export the private key and return the cert and key
+    const keyContent = privateKey.export({
       type: 'pkcs8',
       format: 'pem',
     });
-  
+
     return {
       key: keyContent as string,
       cert: cert,
-    }
+    };
+  }
+
+  private generateSelfSignedCert(publicKey, privateKey, commonName: string): string {
+    const sign = createSign('SHA256');
+    const certData = {
+      subject: `/CN=${commonName}`,
+      publicKey: publicKey.export({ type: 'spki', format: 'pem' }),
+    };
+
+    sign.update(JSON.stringify(certData));
+    sign.end();
+
+    const signature = sign.sign(privateKey, 'base64');
+
+    return (
+      '-----BEGIN CERTIFICATE-----\n' +
+      Buffer.from(certData.publicKey).toString('base64') +
+      '\n' +
+      signature +
+      '\n-----END CERTIFICATE-----\n'
+    );
   }
 }
 
-export const tapNodeTools = new TapNodeTools();
+export const tapNodeTools = new TapNodeTools();