Authentication type none added & Copy to Clipboard on double cli… (#207)

* authentication none introduced

* Added Copy to Clipboard on double click of text 

This is to mimic the behaviour of select to copy on double click feature of Unix terminals

* Logger added instead of console.log

* CopyToClipboard seperated, yarn lint done, consistent return ignored to return any

* Consistent return type introduced

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wetty",
-  "version": "1.1.8",
+  "version": "1.1.9",
   "description": "WeTTY = Web + TTY. Terminal access in browser over http/https",
   "homepage": "https://github.com/krishnasrinivas/wetty",
   "repository": {
@@ -47,7 +47,7 @@
       "*.json"
     ]
   },
-  "preferGlobal": "true",
+  "preferGlobal": true,
   "dependencies": {
     "compression": "^1.7.4",
     "express": "^4.17.1",

src/client/copyToClipboard.ts

@@ -0,0 +1,26 @@
+// NOTE text selection on double click or select
+const copyToClipboard = (text: string) : boolean => {
+    if (window.clipboardData && window.clipboardData.setData) {
+        window.clipboardData.setData("Text", text);
+        return true;
+    } if (document.queryCommandSupported && document.queryCommandSupported("copy")) {
+        const textarea = document.createElement("textarea");
+        textarea.textContent = text;
+        textarea.style.position = "fixed";
+        document.body.appendChild(textarea);
+        textarea.select();
+        try {
+            document.execCommand("copy");
+            return true;
+        } catch (ex) {
+            console.warn("Copy to clipboard failed.", ex);
+            return false;
+        } finally {
+            document.body.removeChild(textarea);
+        }
+    }
+    console.warn("Copy to clipboard failed.");
+    return false;
+}
+
+export default copyToClipboard;

src/client/index.ts

@@ -4,6 +4,8 @@ import * as io from 'socket.io-client';
 import { fit } from 'xterm/lib/addons/fit/fit';
 import * as fileType from 'file-type';
 import Toastify from 'toastify-js';
+
+import copyToClipboard from "./copyToClipboard";
 import './wetty.scss';
 import './favicon.ico';
 
@@ -21,8 +23,11 @@ socket.on('connect', () => {
   const term = new Terminal();
   let fileBuffer = [];
   term.open(document.getElementById('terminal'));
-  const defaultOptions = { fontSize: 14 };
+  const defaultOptions = {
+    fontSize: 14
+  };
   let options: object;
+
   try {
     if (localStorage.options === undefined) {
       options = defaultOptions;
@@ -76,9 +81,18 @@ socket.on('connect', () => {
     return true;
   });
 
+  // NOTE copytoclipboard
+  document.addEventListener('mouseup', () => {
+    if (term.hasSelection())
+      copyToClipboard(term.getSelection())
+  }, false);
+
   function resize(): void {
     fit(term);
-    socket.emit('resize', { cols: term.cols, rows: term.rows });
+    socket.emit('resize', {
+      cols: term.cols,
+      rows: term.rows
+    });
   }
   window.onresize = resize;
   resize();
@@ -185,7 +199,9 @@ function disconnect(reason: string): void {
   window.removeEventListener('beforeunload', handler, false);
 }
 
-function handler(e: { returnValue: string }): string {
+function handler(e: {
+  returnValue: string
+}): string {
   e.returnValue = 'Are you sure?';
   return e.returnValue;
 }

src/server/command.ts

@@ -1,5 +1,7 @@
 import * as url from 'url';
 import { Socket } from 'socket.io';
+
+import logger from './logger';
 import { SSH } from './interfaces';
 
 const localhost = (host: string): boolean =>
@@ -69,12 +71,17 @@ function sshOptions(
     '-o',
     `PreferredAuthentications=${auth}`,
     ];
+  logger.info(`Authentication Type: ${auth}`);
   if (key) {
     return sshRemoteOptsBase.concat(['-i', key, cmd]);
   }
   if (pass) {
     return ['sshpass', '-p', pass].concat(sshRemoteOptsBase, [cmd]);
   }
+  if (auth === 'none') {
+    sshRemoteOptsBase.splice(sshRemoteOptsBase.indexOf('-o'), 2);
+    return sshRemoteOptsBase.concat([cmd]);
+  }
   if (cmd === '') {
     return sshRemoteOptsBase;
   }