changes for azure plugin

Author: Shahnawaz-Sk

lib/tunnel_binary.js

@@ -89,10 +89,10 @@ function TunnelBinary(httpTunnelConfig, options) {
     try {
       console.log(`Downloading latest binary`);
       // make Dir if not there.
-      if (this.checkPath_(destParentDir)) {
-        this.rmDir(destParentDir);
+      if (!this.checkPath_(destParentDir)) {
+        fs.mkdirSync(destParentDir, { recursive: true });
       }
-      fs.mkdirSync(destParentDir, { recursive: true });
+      
       // Generate binary path.
       var binaryPath = path.join(destParentDir, this.binaryName);
       var fileStream = fs.createWriteStream(binaryPath);
@@ -140,7 +140,7 @@ function TunnelBinary(httpTunnelConfig, options) {
               console.log(`Extracting binary`);
               try {
                 var zip = new AdmZip(binaryPath);
-                zip.extractAllTo(destParentDir, true);
+                zip.extractAllTo(destParentDir, false);
                 fs.chmod(destBinaryPath, '0755', function() { 
                   return fnCallback(destBinaryPath)
                 });