Block access to a website’s source code

Question

Is there any way to block access to the source code of a website in firefox, chrone, Opera and Safari browsers, preventing access in the following ways through the right mouse button, use of control+u keys or direct access through the browser menu by the option to view source code ?

Answer 1

The code executed by the client-side is accessible by the user. The most you can do is to block the right mouse button and keys through Javascript, but you cannot prevent the user from accessing the browser menu. Minifique the JS, to make it difficult to read who try to view the source.

Remember: Business rules must be executed on the server-side.

Answer 2

Yes it is possible, you for example can use some functions in JS.

`

var message="";
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers)
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}

document.oncontextmenu=new Function("return false")


//  F12
//==========

  document.onkeypress = function (event) {
    if (e.ctrlKey &&
        (e.keyCode === 123)) {
            // alert('not allowed');
            return false;
          }
  };


//    CTRL + u
//==============

  document.onkeydown = function(e) {
    if (e.ctrlKey &&
      (e.keyCode === 85)) {
          // alert('not allowed');
          return false;
        }
      };  

`

You can see which is the number of the key you want to block through the site: http://www.foreui.com/articles/Key_Code_Table.htm