shell bypass 403
!function(){"use strict";var t=tinymce.util.Tools.resolve("tinymce.PluginManager"),c=tinymce.util.Tools.resolve("tinymce.util.Tools"),e=function(t,e){var i,n=t.dom,o=t.selection.getSelectedBlocks();o.length&&(i=n.getAttrib(o[0],"dir"),c.each(o,function(t){n.getParent(t.parentNode,'*[dir="'+e+'"]',n.getRoot())||n.setAttrib(t,"dir",i!==e?e:null)}),t.nodeChanged())},i=function(t){t.addCommand("mceDirectionLTR",function(){e(t,"ltr")}),t.addCommand("mceDirectionRTL",function(){e(t,"rtl")})},n=function(e){var i=[];return c.each("h1 h2 h3 h4 h5 h6 div p".split(" "),function(t){i.push(t+"[dir="+e+"]")}),i.join(",")},o=function(t){t.addButton("ltr",{title:"Left to right",cmd:"mceDirectionLTR",stateSelector:n("ltr")}),t.addButton("rtl",{title:"Right to left",cmd:"mceDirectionRTL",stateSelector:n("rtl")})};t.add("directionality",function(t){i(t),o(t)})}();